libxml2: remove HTML support
Disabling HTML support from libxml2 as it has vulnerabilities
(see bug) and is not used in Android.
Bug: 27338391
Change-Id: Ibd41b7b6024f1749f14d0caca92cf2602adc368b
diff --git a/Android.mk b/Android.mk
index 6ec8012..07c7b37 100644
--- a/Android.mk
+++ b/Android.mk
@@ -37,7 +37,7 @@
# We deliberately exclude nanoftp.c and nanohttp.c, the trio library, and zlib.
common_SRC_FILES := SAX.c entities.c encoding.c error.c \
parserInternals.c parser.c tree.c hash.c list.c xmlIO.c \
- xmlmemory.c uri.c valid.c xlink.c HTMLparser.c HTMLtree.c \
+ xmlmemory.c uri.c valid.c xlink.c \
debugXML.c xpath.c xpointer.c xinclude.c \
DOCBparser.c catalog.c globals.c threads.c c14n.c xmlstring.c \
buf.c xmlregexp.c xmlschemas.c xmlschemastypes.c xmlunicode.c \
diff --git a/HTMLparser.c b/HTMLparser.c
deleted file mode 100644
index b729197..0000000
--- a/HTMLparser.c
+++ /dev/null
@@ -1,7121 +0,0 @@
-/*
- * HTMLparser.c : an HTML 4.0 non-verifying parser
- *
- * See Copyright for the status of this software.
- *
- * daniel@veillard.com
- */
-
-#define IN_LIBXML
-#include "libxml.h"
-#ifdef LIBXML_HTML_ENABLED
-
-#include <string.h>
-#ifdef HAVE_CTYPE_H
-#include <ctype.h>
-#endif
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-#ifdef HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-#ifdef HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#ifdef HAVE_ZLIB_H
-#include <zlib.h>
-#endif
-
-#include <libxml/xmlmemory.h>
-#include <libxml/tree.h>
-#include <libxml/parser.h>
-#include <libxml/parserInternals.h>
-#include <libxml/xmlerror.h>
-#include <libxml/HTMLparser.h>
-#include <libxml/HTMLtree.h>
-#include <libxml/entities.h>
-#include <libxml/encoding.h>
-#include <libxml/valid.h>
-#include <libxml/xmlIO.h>
-#include <libxml/globals.h>
-#include <libxml/uri.h>
-
-#include "buf.h"
-#include "enc.h"
-
-#define HTML_MAX_NAMELEN 1000
-#define HTML_PARSER_BIG_BUFFER_SIZE 1000
-#define HTML_PARSER_BUFFER_SIZE 100
-
-/* #define DEBUG */
-/* #define DEBUG_PUSH */
-
-static int htmlOmittedDefaultValue = 1;
-
-xmlChar * htmlDecodeEntities(htmlParserCtxtPtr ctxt, int len,
- xmlChar end, xmlChar end2, xmlChar end3);
-static void htmlParseComment(htmlParserCtxtPtr ctxt);
-
-/************************************************************************
- * *
- * Some factorized error routines *
- * *
- ************************************************************************/
-
-/**
- * htmlErrMemory:
- * @ctxt: an HTML parser context
- * @extra: extra informations
- *
- * Handle a redefinition of attribute error
- */
-static void
-htmlErrMemory(xmlParserCtxtPtr ctxt, const char *extra)
-{
- if ((ctxt != NULL) && (ctxt->disableSAX != 0) &&
- (ctxt->instate == XML_PARSER_EOF))
- return;
- if (ctxt != NULL) {
- ctxt->errNo = XML_ERR_NO_MEMORY;
- ctxt->instate = XML_PARSER_EOF;
- ctxt->disableSAX = 1;
- }
- if (extra)
- __xmlRaiseError(NULL, NULL, NULL, ctxt, NULL, XML_FROM_PARSER,
- XML_ERR_NO_MEMORY, XML_ERR_FATAL, NULL, 0, extra,
- NULL, NULL, 0, 0,
- "Memory allocation failed : %s\n", extra);
- else
- __xmlRaiseError(NULL, NULL, NULL, ctxt, NULL, XML_FROM_PARSER,
- XML_ERR_NO_MEMORY, XML_ERR_FATAL, NULL, 0, NULL,
- NULL, NULL, 0, 0, "Memory allocation failed\n");
-}
-
-/**
- * htmlParseErr:
- * @ctxt: an HTML parser context
- * @error: the error number
- * @msg: the error message
- * @str1: string infor
- * @str2: string infor
- *
- * Handle a fatal parser error, i.e. violating Well-Formedness constraints
- */
-static void
-htmlParseErr(xmlParserCtxtPtr ctxt, xmlParserErrors error,
- const char *msg, const xmlChar *str1, const xmlChar *str2)
-{
- if ((ctxt != NULL) && (ctxt->disableSAX != 0) &&
- (ctxt->instate == XML_PARSER_EOF))
- return;
- if (ctxt != NULL)
- ctxt->errNo = error;
- __xmlRaiseError(NULL, NULL, NULL, ctxt, NULL, XML_FROM_HTML, error,
- XML_ERR_ERROR, NULL, 0,
- (const char *) str1, (const char *) str2,
- NULL, 0, 0,
- msg, str1, str2);
- if (ctxt != NULL)
- ctxt->wellFormed = 0;
-}
-
-/**
- * htmlParseErrInt:
- * @ctxt: an HTML parser context
- * @error: the error number
- * @msg: the error message
- * @val: integer info
- *
- * Handle a fatal parser error, i.e. violating Well-Formedness constraints
- */
-static void
-htmlParseErrInt(xmlParserCtxtPtr ctxt, xmlParserErrors error,
- const char *msg, int val)
-{
- if ((ctxt != NULL) && (ctxt->disableSAX != 0) &&
- (ctxt->instate == XML_PARSER_EOF))
- return;
- if (ctxt != NULL)
- ctxt->errNo = error;
- __xmlRaiseError(NULL, NULL, NULL, ctxt, NULL, XML_FROM_HTML, error,
- XML_ERR_ERROR, NULL, 0, NULL, NULL,
- NULL, val, 0, msg, val);
- if (ctxt != NULL)
- ctxt->wellFormed = 0;
-}
-
-/************************************************************************
- * *
- * Parser stacks related functions and macros *
- * *
- ************************************************************************/
-
-/**
- * htmlnamePush:
- * @ctxt: an HTML parser context
- * @value: the element name
- *
- * Pushes a new element name on top of the name stack
- *
- * Returns 0 in case of error, the index in the stack otherwise
- */
-static int
-htmlnamePush(htmlParserCtxtPtr ctxt, const xmlChar * value)
-{
- if ((ctxt->html < 3) && (xmlStrEqual(value, BAD_CAST "head")))
- ctxt->html = 3;
- if ((ctxt->html < 10) && (xmlStrEqual(value, BAD_CAST "body")))
- ctxt->html = 10;
- if (ctxt->nameNr >= ctxt->nameMax) {
- ctxt->nameMax *= 2;
- ctxt->nameTab = (const xmlChar * *)
- xmlRealloc((xmlChar * *)ctxt->nameTab,
- ctxt->nameMax *
- sizeof(ctxt->nameTab[0]));
- if (ctxt->nameTab == NULL) {
- htmlErrMemory(ctxt, NULL);
- return (0);
- }
- }
- ctxt->nameTab[ctxt->nameNr] = value;
- ctxt->name = value;
- return (ctxt->nameNr++);
-}
-/**
- * htmlnamePop:
- * @ctxt: an HTML parser context
- *
- * Pops the top element name from the name stack
- *
- * Returns the name just removed
- */
-static const xmlChar *
-htmlnamePop(htmlParserCtxtPtr ctxt)
-{
- const xmlChar *ret;
-
- if (ctxt->nameNr <= 0)
- return (NULL);
- ctxt->nameNr--;
- if (ctxt->nameNr < 0)
- return (NULL);
- if (ctxt->nameNr > 0)
- ctxt->name = ctxt->nameTab[ctxt->nameNr - 1];
- else
- ctxt->name = NULL;
- ret = ctxt->nameTab[ctxt->nameNr];
- ctxt->nameTab[ctxt->nameNr] = NULL;
- return (ret);
-}
-
-/**
- * htmlNodeInfoPush:
- * @ctxt: an HTML parser context
- * @value: the node info
- *
- * Pushes a new element name on top of the node info stack
- *
- * Returns 0 in case of error, the index in the stack otherwise
- */
-static int
-htmlNodeInfoPush(htmlParserCtxtPtr ctxt, htmlParserNodeInfo *value)
-{
- if (ctxt->nodeInfoNr >= ctxt->nodeInfoMax) {
- if (ctxt->nodeInfoMax == 0)
- ctxt->nodeInfoMax = 5;
- ctxt->nodeInfoMax *= 2;
- ctxt->nodeInfoTab = (htmlParserNodeInfo *)
- xmlRealloc((htmlParserNodeInfo *)ctxt->nodeInfoTab,
- ctxt->nodeInfoMax *
- sizeof(ctxt->nodeInfoTab[0]));
- if (ctxt->nodeInfoTab == NULL) {
- htmlErrMemory(ctxt, NULL);
- return (0);
- }
- }
- ctxt->nodeInfoTab[ctxt->nodeInfoNr] = *value;
- ctxt->nodeInfo = &ctxt->nodeInfoTab[ctxt->nodeInfoNr];
- return (ctxt->nodeInfoNr++);
-}
-
-/**
- * htmlNodeInfoPop:
- * @ctxt: an HTML parser context
- *
- * Pops the top element name from the node info stack
- *
- * Returns 0 in case of error, the pointer to NodeInfo otherwise
- */
-static htmlParserNodeInfo *
-htmlNodeInfoPop(htmlParserCtxtPtr ctxt)
-{
- if (ctxt->nodeInfoNr <= 0)
- return (NULL);
- ctxt->nodeInfoNr--;
- if (ctxt->nodeInfoNr < 0)
- return (NULL);
- if (ctxt->nodeInfoNr > 0)
- ctxt->nodeInfo = &ctxt->nodeInfoTab[ctxt->nodeInfoNr - 1];
- else
- ctxt->nodeInfo = NULL;
- return &ctxt->nodeInfoTab[ctxt->nodeInfoNr];
-}
-
-/*
- * Macros for accessing the content. Those should be used only by the parser,
- * and not exported.
- *
- * Dirty macros, i.e. one need to make assumption on the context to use them
- *
- * CUR_PTR return the current pointer to the xmlChar to be parsed.
- * CUR returns the current xmlChar value, i.e. a 8 bit value if compiled
- * in ISO-Latin or UTF-8, and the current 16 bit value if compiled
- * in UNICODE mode. This should be used internally by the parser
- * only to compare to ASCII values otherwise it would break when
- * running with UTF-8 encoding.
- * NXT(n) returns the n'th next xmlChar. Same as CUR is should be used only
- * to compare on ASCII based substring.
- * UPP(n) returns the n'th next xmlChar converted to uppercase. Same as CUR
- * it should be used only to compare on ASCII based substring.
- * SKIP(n) Skip n xmlChar, and must also be used only to skip ASCII defined
- * strings without newlines within the parser.
- *
- * Clean macros, not dependent of an ASCII context, expect UTF-8 encoding
- *
- * CURRENT Returns the current char value, with the full decoding of
- * UTF-8 if we are using this mode. It returns an int.
- * NEXT Skip to the next character, this does the proper decoding
- * in UTF-8 mode. It also pop-up unfinished entities on the fly.
- * NEXTL(l) Skip the current unicode character of l xmlChars long.
- * COPY(to) copy one char to *to, increment CUR_PTR and to accordingly
- */
-
-#define UPPER (toupper(*ctxt->input->cur))
-
-#define SKIP(val) ctxt->nbChars += (val),ctxt->input->cur += (val),ctxt->input->col+=(val)
-
-#define NXT(val) ctxt->input->cur[(val)]
-
-#define UPP(val) (toupper(ctxt->input->cur[(val)]))
-
-#define CUR_PTR ctxt->input->cur
-
-#define SHRINK if ((ctxt->input->cur - ctxt->input->base > 2 * INPUT_CHUNK) && \
- (ctxt->input->end - ctxt->input->cur < 2 * INPUT_CHUNK)) \
- xmlParserInputShrink(ctxt->input)
-
-#define GROW if ((ctxt->progressive == 0) && \
- (ctxt->input->end - ctxt->input->cur < INPUT_CHUNK)) \
- xmlParserInputGrow(ctxt->input, INPUT_CHUNK)
-
-#define CURRENT ((int) (*ctxt->input->cur))
-
-#define SKIP_BLANKS htmlSkipBlankChars(ctxt)
-
-/* Inported from XML */
-
-/* #define CUR (ctxt->token ? ctxt->token : (int) (*ctxt->input->cur)) */
-#define CUR ((int) (*ctxt->input->cur))
-#define NEXT xmlNextChar(ctxt)
-
-#define RAW (ctxt->token ? -1 : (*ctxt->input->cur))
-
-
-#define NEXTL(l) do { \
- if (*(ctxt->input->cur) == '\n') { \
- ctxt->input->line++; ctxt->input->col = 1; \
- } else ctxt->input->col++; \
- ctxt->token = 0; ctxt->input->cur += l; ctxt->nbChars++; \
- } while (0)
-
-/************
- \
- if (*ctxt->input->cur == '%') xmlParserHandlePEReference(ctxt); \
- if (*ctxt->input->cur == '&') xmlParserHandleReference(ctxt);
- ************/
-
-#define CUR_CHAR(l) htmlCurrentChar(ctxt, &l)
-#define CUR_SCHAR(s, l) xmlStringCurrentChar(ctxt, s, &l)
-
-#define COPY_BUF(l,b,i,v) \
- if (l == 1) b[i++] = (xmlChar) v; \
- else i += xmlCopyChar(l,&b[i],v)
-
-/**
- * htmlFindEncoding:
- * @the HTML parser context
- *
- * Ty to find and encoding in the current data available in the input
- * buffer this is needed to try to switch to the proper encoding when
- * one face a character error.
- * That's an heuristic, since it's operating outside of parsing it could
- * try to use a meta which had been commented out, that's the reason it
- * should only be used in case of error, not as a default.
- *
- * Returns an encoding string or NULL if not found, the string need to
- * be freed
- */
-static xmlChar *
-htmlFindEncoding(xmlParserCtxtPtr ctxt) {
- const xmlChar *start, *cur, *end;
-
- if ((ctxt == NULL) || (ctxt->input == NULL) ||
- (ctxt->input->encoding != NULL) || (ctxt->input->buf == NULL) ||
- (ctxt->input->buf->encoder != NULL))
- return(NULL);
- if ((ctxt->input->cur == NULL) || (ctxt->input->end == NULL))
- return(NULL);
-
- start = ctxt->input->cur;
- end = ctxt->input->end;
- /* we also expect the input buffer to be zero terminated */
- if (*end != 0)
- return(NULL);
-
- cur = xmlStrcasestr(start, BAD_CAST "HTTP-EQUIV");
- if (cur == NULL)
- return(NULL);
- cur = xmlStrcasestr(cur, BAD_CAST "CONTENT");
- if (cur == NULL)
- return(NULL);
- cur = xmlStrcasestr(cur, BAD_CAST "CHARSET=");
- if (cur == NULL)
- return(NULL);
- cur += 8;
- start = cur;
- while (((*cur >= 'A') && (*cur <= 'Z')) ||
- ((*cur >= 'a') && (*cur <= 'z')) ||
- ((*cur >= '0') && (*cur <= '9')) ||
- (*cur == '-') || (*cur == '_') || (*cur == ':') || (*cur == '/'))
- cur++;
- if (cur == start)
- return(NULL);
- return(xmlStrndup(start, cur - start));
-}
-
-/**
- * htmlCurrentChar:
- * @ctxt: the HTML parser context
- * @len: pointer to the length of the char read
- *
- * The current char value, if using UTF-8 this may actually span multiple
- * bytes in the input buffer. Implement the end of line normalization:
- * 2.11 End-of-Line Handling
- * If the encoding is unspecified, in the case we find an ISO-Latin-1
- * char, then the encoding converter is plugged in automatically.
- *
- * Returns the current char value and its length
- */
-
-static int
-htmlCurrentChar(xmlParserCtxtPtr ctxt, int *len) {
- if (ctxt->instate == XML_PARSER_EOF)
- return(0);
-
- if (ctxt->token != 0) {
- *len = 0;
- return(ctxt->token);
- }
- if (ctxt->charset == XML_CHAR_ENCODING_UTF8) {
- /*
- * We are supposed to handle UTF8, check it's valid
- * From rfc2044: encoding of the Unicode values on UTF-8:
- *
- * UCS-4 range (hex.) UTF-8 octet sequence (binary)
- * 0000 0000-0000 007F 0xxxxxxx
- * 0000 0080-0000 07FF 110xxxxx 10xxxxxx
- * 0000 0800-0000 FFFF 1110xxxx 10xxxxxx 10xxxxxx
- *
- * Check for the 0x110000 limit too
- */
- const unsigned char *cur = ctxt->input->cur;
- unsigned char c;
- unsigned int val;
-
- c = *cur;
- if (c & 0x80) {
- if (cur[1] == 0) {
- xmlParserInputGrow(ctxt->input, INPUT_CHUNK);
- cur = ctxt->input->cur;
- }
- if ((cur[1] & 0xc0) != 0x80)
- goto encoding_error;
- if ((c & 0xe0) == 0xe0) {
-
- if (cur[2] == 0) {
- xmlParserInputGrow(ctxt->input, INPUT_CHUNK);
- cur = ctxt->input->cur;
- }
- if ((cur[2] & 0xc0) != 0x80)
- goto encoding_error;
- if ((c & 0xf0) == 0xf0) {
- if (cur[3] == 0) {
- xmlParserInputGrow(ctxt->input, INPUT_CHUNK);
- cur = ctxt->input->cur;
- }
- if (((c & 0xf8) != 0xf0) ||
- ((cur[3] & 0xc0) != 0x80))
- goto encoding_error;
- /* 4-byte code */
- *len = 4;
- val = (cur[0] & 0x7) << 18;
- val |= (cur[1] & 0x3f) << 12;
- val |= (cur[2] & 0x3f) << 6;
- val |= cur[3] & 0x3f;
- } else {
- /* 3-byte code */
- *len = 3;
- val = (cur[0] & 0xf) << 12;
- val |= (cur[1] & 0x3f) << 6;
- val |= cur[2] & 0x3f;
- }
- } else {
- /* 2-byte code */
- *len = 2;
- val = (cur[0] & 0x1f) << 6;
- val |= cur[1] & 0x3f;
- }
- if (!IS_CHAR(val)) {
- htmlParseErrInt(ctxt, XML_ERR_INVALID_CHAR,
- "Char 0x%X out of allowed range\n", val);
- }
- return(val);
- } else {
- if ((*ctxt->input->cur == 0) &&
- (ctxt->input->cur < ctxt->input->end)) {
- htmlParseErrInt(ctxt, XML_ERR_INVALID_CHAR,
- "Char 0x%X out of allowed range\n", 0);
- *len = 1;
- return(' ');
- }
- /* 1-byte code */
- *len = 1;
- return((int) *ctxt->input->cur);
- }
- }
- /*
- * Assume it's a fixed length encoding (1) with
- * a compatible encoding for the ASCII set, since
- * XML constructs only use < 128 chars
- */
- *len = 1;
- if ((int) *ctxt->input->cur < 0x80)
- return((int) *ctxt->input->cur);
-
- /*
- * Humm this is bad, do an automatic flow conversion
- */
- {
- xmlChar * guess;
- xmlCharEncodingHandlerPtr handler;
-
- guess = htmlFindEncoding(ctxt);
- if (guess == NULL) {
- xmlSwitchEncoding(ctxt, XML_CHAR_ENCODING_8859_1);
- } else {
- if (ctxt->input->encoding != NULL)
- xmlFree((xmlChar *) ctxt->input->encoding);
- ctxt->input->encoding = guess;
- handler = xmlFindCharEncodingHandler((const char *) guess);
- if (handler != NULL) {
- xmlSwitchToEncoding(ctxt, handler);
- } else {
- htmlParseErr(ctxt, XML_ERR_INVALID_ENCODING,
- "Unsupported encoding %s", guess, NULL);
- }
- }
- ctxt->charset = XML_CHAR_ENCODING_UTF8;
- }
-
- return(xmlCurrentChar(ctxt, len));
-
-encoding_error:
- /*
- * If we detect an UTF8 error that probably mean that the
- * input encoding didn't get properly advertized in the
- * declaration header. Report the error and switch the encoding
- * to ISO-Latin-1 (if you don't like this policy, just declare the
- * encoding !)
- */
- {
- char buffer[150];
-
- if (ctxt->input->end - ctxt->input->cur >= 4) {
- snprintf(buffer, 149, "Bytes: 0x%02X 0x%02X 0x%02X 0x%02X\n",
- ctxt->input->cur[0], ctxt->input->cur[1],
- ctxt->input->cur[2], ctxt->input->cur[3]);
- } else {
- snprintf(buffer, 149, "Bytes: 0x%02X\n", ctxt->input->cur[0]);
- }
- htmlParseErr(ctxt, XML_ERR_INVALID_ENCODING,
- "Input is not proper UTF-8, indicate encoding !\n",
- BAD_CAST buffer, NULL);
- }
-
- ctxt->charset = XML_CHAR_ENCODING_8859_1;
- *len = 1;
- return((int) *ctxt->input->cur);
-}
-
-/**
- * htmlSkipBlankChars:
- * @ctxt: the HTML parser context
- *
- * skip all blanks character found at that point in the input streams.
- *
- * Returns the number of space chars skipped
- */
-
-static int
-htmlSkipBlankChars(xmlParserCtxtPtr ctxt) {
- int res = 0;
-
- while (IS_BLANK_CH(*(ctxt->input->cur))) {
- if ((*ctxt->input->cur == 0) &&
- (xmlParserInputGrow(ctxt->input, INPUT_CHUNK) <= 0)) {
- xmlPopInput(ctxt);
- } else {
- if (*(ctxt->input->cur) == '\n') {
- ctxt->input->line++; ctxt->input->col = 1;
- } else ctxt->input->col++;
- ctxt->input->cur++;
- ctxt->nbChars++;
- if (*ctxt->input->cur == 0)
- xmlParserInputGrow(ctxt->input, INPUT_CHUNK);
- }
- res++;
- }
- return(res);
-}
-
-
-
-/************************************************************************
- * *
- * The list of HTML elements and their properties *
- * *
- ************************************************************************/
-
-/*
- * Start Tag: 1 means the start tag can be ommited
- * End Tag: 1 means the end tag can be ommited
- * 2 means it's forbidden (empty elements)
- * 3 means the tag is stylistic and should be closed easily
- * Depr: this element is deprecated
- * DTD: 1 means that this element is valid only in the Loose DTD
- * 2 means that this element is valid only in the Frameset DTD
- *
- * Name,Start Tag,End Tag,Save End,Empty,Deprecated,DTD,inline,Description
- , subElements , impliedsubelt , Attributes, userdata
- */
-
-/* Definitions and a couple of vars for HTML Elements */
-
-#define FONTSTYLE "tt", "i", "b", "u", "s", "strike", "big", "small"
-#define NB_FONTSTYLE 8
-#define PHRASE "em", "strong", "dfn", "code", "samp", "kbd", "var", "cite", "abbr", "acronym"
-#define NB_PHRASE 10
-#define SPECIAL "a", "img", "applet", "embed", "object", "font", "basefont", "br", "script", "map", "q", "sub", "sup", "span", "bdo", "iframe"
-#define NB_SPECIAL 16
-#define INLINE FONTSTYLE, PHRASE, SPECIAL, FORMCTRL
-#define NB_INLINE NB_PCDATA + NB_FONTSTYLE + NB_PHRASE + NB_SPECIAL + NB_FORMCTRL
-#define BLOCK HEADING, LIST, "pre", "p", "dl", "div", "center", "noscript", "noframes", "blockquote", "form", "isindex", "hr", "table", "fieldset", "address"
-#define NB_BLOCK NB_HEADING + NB_LIST + 14
-#define FORMCTRL "input", "select", "textarea", "label", "button"
-#define NB_FORMCTRL 5
-#define PCDATA
-#define NB_PCDATA 0
-#define HEADING "h1", "h2", "h3", "h4", "h5", "h6"
-#define NB_HEADING 6
-#define LIST "ul", "ol", "dir", "menu"
-#define NB_LIST 4
-#define MODIFIER
-#define NB_MODIFIER 0
-#define FLOW BLOCK,INLINE
-#define NB_FLOW NB_BLOCK + NB_INLINE
-#define EMPTY NULL
-
-
-static const char* const html_flow[] = { FLOW, NULL } ;
-static const char* const html_inline[] = { INLINE, NULL } ;
-
-/* placeholders: elts with content but no subelements */
-static const char* const html_pcdata[] = { NULL } ;
-#define html_cdata html_pcdata
-
-
-/* ... and for HTML Attributes */
-
-#define COREATTRS "id", "class", "style", "title"
-#define NB_COREATTRS 4
-#define I18N "lang", "dir"
-#define NB_I18N 2
-#define EVENTS "onclick", "ondblclick", "onmousedown", "onmouseup", "onmouseover", "onmouseout", "onkeypress", "onkeydown", "onkeyup"
-#define NB_EVENTS 9
-#define ATTRS COREATTRS,I18N,EVENTS
-#define NB_ATTRS NB_NB_COREATTRS + NB_I18N + NB_EVENTS
-#define CELLHALIGN "align", "char", "charoff"
-#define NB_CELLHALIGN 3
-#define CELLVALIGN "valign"
-#define NB_CELLVALIGN 1
-
-static const char* const html_attrs[] = { ATTRS, NULL } ;
-static const char* const core_i18n_attrs[] = { COREATTRS, I18N, NULL } ;
-static const char* const core_attrs[] = { COREATTRS, NULL } ;
-static const char* const i18n_attrs[] = { I18N, NULL } ;
-
-
-/* Other declarations that should go inline ... */
-static const char* const a_attrs[] = { ATTRS, "charset", "type", "name",
- "href", "hreflang", "rel", "rev", "accesskey", "shape", "coords",
- "tabindex", "onfocus", "onblur", NULL } ;
-static const char* const target_attr[] = { "target", NULL } ;
-static const char* const rows_cols_attr[] = { "rows", "cols", NULL } ;
-static const char* const alt_attr[] = { "alt", NULL } ;
-static const char* const src_alt_attrs[] = { "src", "alt", NULL } ;
-static const char* const href_attrs[] = { "href", NULL } ;
-static const char* const clear_attrs[] = { "clear", NULL } ;
-static const char* const inline_p[] = { INLINE, "p", NULL } ;
-
-static const char* const flow_param[] = { FLOW, "param", NULL } ;
-static const char* const applet_attrs[] = { COREATTRS , "codebase",
- "archive", "alt", "name", "height", "width", "align",
- "hspace", "vspace", NULL } ;
-static const char* const area_attrs[] = { "shape", "coords", "href", "nohref",
- "tabindex", "accesskey", "onfocus", "onblur", NULL } ;
-static const char* const basefont_attrs[] =
- { "id", "size", "color", "face", NULL } ;
-static const char* const quote_attrs[] = { ATTRS, "cite", NULL } ;
-static const char* const body_contents[] = { FLOW, "ins", "del", NULL } ;
-static const char* const body_attrs[] = { ATTRS, "onload", "onunload", NULL } ;
-static const char* const body_depr[] = { "background", "bgcolor", "text",
- "link", "vlink", "alink", NULL } ;
-static const char* const button_attrs[] = { ATTRS, "name", "value", "type",
- "disabled", "tabindex", "accesskey", "onfocus", "onblur", NULL } ;
-
-
-static const char* const col_attrs[] = { ATTRS, "span", "width", CELLHALIGN, CELLVALIGN, NULL } ;
-static const char* const col_elt[] = { "col", NULL } ;
-static const char* const edit_attrs[] = { ATTRS, "datetime", "cite", NULL } ;
-static const char* const compact_attrs[] = { ATTRS, "compact", NULL } ;
-static const char* const dl_contents[] = { "dt", "dd", NULL } ;
-static const char* const compact_attr[] = { "compact", NULL } ;
-static const char* const label_attr[] = { "label", NULL } ;
-static const char* const fieldset_contents[] = { FLOW, "legend" } ;
-static const char* const font_attrs[] = { COREATTRS, I18N, "size", "color", "face" , NULL } ;
-static const char* const form_contents[] = { HEADING, LIST, INLINE, "pre", "p", "div", "center", "noscript", "noframes", "blockquote", "isindex", "hr", "table", "fieldset", "address", NULL } ;
-static const char* const form_attrs[] = { ATTRS, "method", "enctype", "accept", "name", "onsubmit", "onreset", "accept-charset", NULL } ;
-static const char* const frame_attrs[] = { COREATTRS, "longdesc", "name", "src", "frameborder", "marginwidth", "marginheight", "noresize", "scrolling" , NULL } ;
-static const char* const frameset_attrs[] = { COREATTRS, "rows", "cols", "onload", "onunload", NULL } ;
-static const char* const frameset_contents[] = { "frameset", "frame", "noframes", NULL } ;
-static const char* const head_attrs[] = { I18N, "profile", NULL } ;
-static const char* const head_contents[] = { "title", "isindex", "base", "script", "style", "meta", "link", "object", NULL } ;
-static const char* const hr_depr[] = { "align", "noshade", "size", "width", NULL } ;
-static const char* const version_attr[] = { "version", NULL } ;
-static const char* const html_content[] = { "head", "body", "frameset", NULL } ;
-static const char* const iframe_attrs[] = { COREATTRS, "longdesc", "name", "src", "frameborder", "marginwidth", "marginheight", "scrolling", "align", "height", "width", NULL } ;
-static const char* const img_attrs[] = { ATTRS, "longdesc", "name", "height", "width", "usemap", "ismap", NULL } ;
-static const char* const embed_attrs[] = { COREATTRS, "align", "alt", "border", "code", "codebase", "frameborder", "height", "hidden", "hspace", "name", "palette", "pluginspace", "pluginurl", "src", "type", "units", "vspace", "width", NULL } ;
-static const char* const input_attrs[] = { ATTRS, "type", "name", "value", "checked", "disabled", "readonly", "size", "maxlength", "src", "alt", "usemap", "ismap", "tabindex", "accesskey", "onfocus", "onblur", "onselect", "onchange", "accept", NULL } ;
-static const char* const prompt_attrs[] = { COREATTRS, I18N, "prompt", NULL } ;
-static const char* const label_attrs[] = { ATTRS, "for", "accesskey", "onfocus", "onblur", NULL } ;
-static const char* const legend_attrs[] = { ATTRS, "accesskey", NULL } ;
-static const char* const align_attr[] = { "align", NULL } ;
-static const char* const link_attrs[] = { ATTRS, "charset", "href", "hreflang", "type", "rel", "rev", "media", NULL } ;
-static const char* const map_contents[] = { BLOCK, "area", NULL } ;
-static const char* const name_attr[] = { "name", NULL } ;
-static const char* const action_attr[] = { "action", NULL } ;
-static const char* const blockli_elt[] = { BLOCK, "li", NULL } ;
-static const char* const meta_attrs[] = { I18N, "http-equiv", "name", "scheme", "charset", NULL } ;
-static const char* const content_attr[] = { "content", NULL } ;
-static const char* const type_attr[] = { "type", NULL } ;
-static const char* const noframes_content[] = { "body", FLOW MODIFIER, NULL } ;
-static const char* const object_contents[] = { FLOW, "param", NULL } ;
-static const char* const object_attrs[] = { ATTRS, "declare", "classid", "codebase", "data", "type", "codetype", "archive", "standby", "height", "width", "usemap", "name", "tabindex", NULL } ;
-static const char* const object_depr[] = { "align", "border", "hspace", "vspace", NULL } ;
-static const char* const ol_attrs[] = { "type", "compact", "start", NULL} ;
-static const char* const option_elt[] = { "option", NULL } ;
-static const char* const optgroup_attrs[] = { ATTRS, "disabled", NULL } ;
-static const char* const option_attrs[] = { ATTRS, "disabled", "label", "selected", "value", NULL } ;
-static const char* const param_attrs[] = { "id", "value", "valuetype", "type", NULL } ;
-static const char* const width_attr[] = { "width", NULL } ;
-static const char* const pre_content[] = { PHRASE, "tt", "i", "b", "u", "s", "strike", "a", "br", "script", "map", "q", "span", "bdo", "iframe", NULL } ;
-static const char* const script_attrs[] = { "charset", "src", "defer", "event", "for", NULL } ;
-static const char* const language_attr[] = { "language", NULL } ;
-static const char* const select_content[] = { "optgroup", "option", NULL } ;
-static const char* const select_attrs[] = { ATTRS, "name", "size", "multiple", "disabled", "tabindex", "onfocus", "onblur", "onchange", NULL } ;
-static const char* const style_attrs[] = { I18N, "media", "title", NULL } ;
-static const char* const table_attrs[] = { ATTRS, "summary", "width", "border", "frame", "rules", "cellspacing", "cellpadding", "datapagesize", NULL } ;
-static const char* const table_depr[] = { "align", "bgcolor", NULL } ;
-static const char* const table_contents[] = { "caption", "col", "colgroup", "thead", "tfoot", "tbody", "tr", NULL} ;
-static const char* const tr_elt[] = { "tr", NULL } ;
-static const char* const talign_attrs[] = { ATTRS, CELLHALIGN, CELLVALIGN, NULL} ;
-static const char* const th_td_depr[] = { "nowrap", "bgcolor", "width", "height", NULL } ;
-static const char* const th_td_attr[] = { ATTRS, "abbr", "axis", "headers", "scope", "rowspan", "colspan", CELLHALIGN, CELLVALIGN, NULL } ;
-static const char* const textarea_attrs[] = { ATTRS, "name", "disabled", "readonly", "tabindex", "accesskey", "onfocus", "onblur", "onselect", "onchange", NULL } ;
-static const char* const tr_contents[] = { "th", "td", NULL } ;
-static const char* const bgcolor_attr[] = { "bgcolor", NULL } ;
-static const char* const li_elt[] = { "li", NULL } ;
-static const char* const ul_depr[] = { "type", "compact", NULL} ;
-static const char* const dir_attr[] = { "dir", NULL} ;
-
-#define DECL (const char**)
-
-static const htmlElemDesc
-html40ElementTable[] = {
-{ "a", 0, 0, 0, 0, 0, 0, 1, "anchor ",
- DECL html_inline , NULL , DECL a_attrs , DECL target_attr, NULL
-},
-{ "abbr", 0, 0, 0, 0, 0, 0, 1, "abbreviated form",
- DECL html_inline , NULL , DECL html_attrs, NULL, NULL
-},
-{ "acronym", 0, 0, 0, 0, 0, 0, 1, "",
- DECL html_inline , NULL , DECL html_attrs, NULL, NULL
-},
-{ "address", 0, 0, 0, 0, 0, 0, 0, "information on author ",
- DECL inline_p , NULL , DECL html_attrs, NULL, NULL
-},
-{ "applet", 0, 0, 0, 0, 1, 1, 2, "java applet ",
- DECL flow_param , NULL , NULL , DECL applet_attrs, NULL
-},
-{ "area", 0, 2, 2, 1, 0, 0, 0, "client-side image map area ",
- EMPTY , NULL , DECL area_attrs , DECL target_attr, DECL alt_attr
-},
-{ "b", 0, 3, 0, 0, 0, 0, 1, "bold text style",
- DECL html_inline , NULL , DECL html_attrs, NULL, NULL
-},
-{ "base", 0, 2, 2, 1, 0, 0, 0, "document base uri ",
- EMPTY , NULL , NULL , DECL target_attr, DECL href_attrs
-},
-{ "basefont", 0, 2, 2, 1, 1, 1, 1, "base font size " ,
- EMPTY , NULL , NULL, DECL basefont_attrs, NULL
-},
-{ "bdo", 0, 0, 0, 0, 0, 0, 1, "i18n bidi over-ride ",
- DECL html_inline , NULL , DECL core_i18n_attrs, NULL, DECL dir_attr
-},
-{ "big", 0, 3, 0, 0, 0, 0, 1, "large text style",
- DECL html_inline , NULL , DECL html_attrs, NULL, NULL
-},
-{ "blockquote", 0, 0, 0, 0, 0, 0, 0, "long quotation ",
- DECL html_flow , NULL , DECL quote_attrs , NULL, NULL
-},
-{ "body", 1, 1, 0, 0, 0, 0, 0, "document body ",
- DECL body_contents , "div" , DECL body_attrs, DECL body_depr, NULL
-},
-{ "br", 0, 2, 2, 1, 0, 0, 1, "forced line break ",
- EMPTY , NULL , DECL core_attrs, DECL clear_attrs , NULL
-},
-{ "button", 0, 0, 0, 0, 0, 0, 2, "push button ",
- DECL html_flow MODIFIER , NULL , DECL button_attrs, NULL, NULL
-},
-{ "caption", 0, 0, 0, 0, 0, 0, 0, "table caption ",
- DECL html_inline , NULL , DECL html_attrs, NULL, NULL
-},
-{ "center", 0, 3, 0, 0, 1, 1, 0, "shorthand for div align=center ",
- DECL html_flow , NULL , NULL, DECL html_attrs, NULL
-},
-{ "cite", 0, 0, 0, 0, 0, 0, 1, "citation",
- DECL html_inline , NULL , DECL html_attrs, NULL, NULL
-},
-{ "code", 0, 0, 0, 0, 0, 0, 1, "computer code fragment",
- DECL html_inline , NULL , DECL html_attrs, NULL, NULL
-},
-{ "col", 0, 2, 2, 1, 0, 0, 0, "table column ",
- EMPTY , NULL , DECL col_attrs , NULL, NULL
-},
-{ "colgroup", 0, 1, 0, 0, 0, 0, 0, "table column group ",
- DECL col_elt , "col" , DECL col_attrs , NULL, NULL
-},
-{ "dd", 0, 1, 0, 0, 0, 0, 0, "definition description ",
- DECL html_flow , NULL , DECL html_attrs, NULL, NULL
-},
-{ "del", 0, 0, 0, 0, 0, 0, 2, "deleted text ",
- DECL html_flow , NULL , DECL edit_attrs , NULL, NULL
-},
-{ "dfn", 0, 0, 0, 0, 0, 0, 1, "instance definition",
- DECL html_inline , NULL , DECL html_attrs, NULL, NULL
-},
-{ "dir", 0, 0, 0, 0, 1, 1, 0, "directory list",
- DECL blockli_elt, "li" , NULL, DECL compact_attrs, NULL
-},
-{ "div", 0, 0, 0, 0, 0, 0, 0, "generic language/style container",
- DECL html_flow, NULL, DECL html_attrs, DECL align_attr, NULL
-},
-{ "dl", 0, 0, 0, 0, 0, 0, 0, "definition list ",
- DECL dl_contents , "dd" , DECL html_attrs, DECL compact_attr, NULL
-},
-{ "dt", 0, 1, 0, 0, 0, 0, 0, "definition term ",
- DECL html_inline, NULL, DECL html_attrs, NULL, NULL
-},
-{ "em", 0, 3, 0, 0, 0, 0, 1, "emphasis",
- DECL html_inline, NULL, DECL html_attrs, NULL, NULL
-},
-{ "embed", 0, 1, 0, 0, 1, 1, 1, "generic embedded object ",
- EMPTY, NULL, DECL embed_attrs, NULL, NULL
-},
-{ "fieldset", 0, 0, 0, 0, 0, 0, 0, "form control group ",
- DECL fieldset_contents , NULL, DECL html_attrs, NULL, NULL
-},
-{ "font", 0, 3, 0, 0, 1, 1, 1, "local change to font ",
- DECL html_inline, NULL, NULL, DECL font_attrs, NULL
-},
-{ "form", 0, 0, 0, 0, 0, 0, 0, "interactive form ",
- DECL form_contents, "fieldset", DECL form_attrs , DECL target_attr, DECL action_attr
-},
-{ "frame", 0, 2, 2, 1, 0, 2, 0, "subwindow " ,
- EMPTY, NULL, NULL, DECL frame_attrs, NULL
-},
-{ "frameset", 0, 0, 0, 0, 0, 2, 0, "window subdivision" ,
- DECL frameset_contents, "noframes" , NULL , DECL frameset_attrs, NULL
-},
-{ "h1", 0, 0, 0, 0, 0, 0, 0, "heading ",
- DECL html_inline, NULL, DECL html_attrs, DECL align_attr, NULL
-},
-{ "h2", 0, 0, 0, 0, 0, 0, 0, "heading ",
- DECL html_inline, NULL, DECL html_attrs, DECL align_attr, NULL
-},
-{ "h3", 0, 0, 0, 0, 0, 0, 0, "heading ",
- DECL html_inline, NULL, DECL html_attrs, DECL align_attr, NULL
-},
-{ "h4", 0, 0, 0, 0, 0, 0, 0, "heading ",
- DECL html_inline, NULL, DECL html_attrs, DECL align_attr, NULL
-},
-{ "h5", 0, 0, 0, 0, 0, 0, 0, "heading ",
- DECL html_inline, NULL, DECL html_attrs, DECL align_attr, NULL
-},
-{ "h6", 0, 0, 0, 0, 0, 0, 0, "heading ",
- DECL html_inline, NULL, DECL html_attrs, DECL align_attr, NULL
-},
-{ "head", 1, 1, 0, 0, 0, 0, 0, "document head ",
- DECL head_contents, NULL, DECL head_attrs, NULL, NULL
-},
-{ "hr", 0, 2, 2, 1, 0, 0, 0, "horizontal rule " ,
- EMPTY, NULL, DECL html_attrs, DECL hr_depr, NULL
-},
-{ "html", 1, 1, 0, 0, 0, 0, 0, "document root element ",
- DECL html_content , NULL , DECL i18n_attrs, DECL version_attr, NULL
-},
-{ "i", 0, 3, 0, 0, 0, 0, 1, "italic text style",
- DECL html_inline, NULL, DECL html_attrs, NULL, NULL
-},
-{ "iframe", 0, 0, 0, 0, 0, 1, 2, "inline subwindow ",
- DECL html_flow, NULL, NULL, DECL iframe_attrs, NULL
-},
-{ "img", 0, 2, 2, 1, 0, 0, 1, "embedded image ",
- EMPTY, NULL, DECL img_attrs, DECL align_attr, DECL src_alt_attrs
-},
-{ "input", 0, 2, 2, 1, 0, 0, 1, "form control ",
- EMPTY, NULL, DECL input_attrs , DECL align_attr, NULL
-},
-{ "ins", 0, 0, 0, 0, 0, 0, 2, "inserted text",
- DECL html_flow, NULL, DECL edit_attrs, NULL, NULL
-},
-{ "isindex", 0, 2, 2, 1, 1, 1, 0, "single line prompt ",
- EMPTY, NULL, NULL, DECL prompt_attrs, NULL
-},
-{ "kbd", 0, 0, 0, 0, 0, 0, 1, "text to be entered by the user",
- DECL html_inline, NULL, DECL html_attrs, NULL, NULL
-},
-{ "label", 0, 0, 0, 0, 0, 0, 1, "form field label text ",
- DECL html_inline MODIFIER, NULL, DECL label_attrs , NULL, NULL
-},
-{ "legend", 0, 0, 0, 0, 0, 0, 0, "fieldset legend ",
- DECL html_inline, NULL, DECL legend_attrs , DECL align_attr, NULL
-},
-{ "li", 0, 1, 1, 0, 0, 0, 0, "list item ",
- DECL html_flow, NULL, DECL html_attrs, NULL, NULL
-},
-{ "link", 0, 2, 2, 1, 0, 0, 0, "a media-independent link ",
- EMPTY, NULL, DECL link_attrs, DECL target_attr, NULL
-},
-{ "map", 0, 0, 0, 0, 0, 0, 2, "client-side image map ",
- DECL map_contents , NULL, DECL html_attrs , NULL, DECL name_attr
-},
-{ "menu", 0, 0, 0, 0, 1, 1, 0, "menu list ",
- DECL blockli_elt , NULL, NULL, DECL compact_attrs, NULL
-},
-{ "meta", 0, 2, 2, 1, 0, 0, 0, "generic metainformation ",
- EMPTY, NULL, DECL meta_attrs , NULL , DECL content_attr
-},
-{ "noframes", 0, 0, 0, 0, 0, 2, 0, "alternate content container for non frame-based rendering ",
- DECL noframes_content, "body" , DECL html_attrs, NULL, NULL
-},
-{ "noscript", 0, 0, 0, 0, 0, 0, 0, "alternate content container for non script-based rendering ",
- DECL html_flow, "div", DECL html_attrs, NULL, NULL
-},
-{ "object", 0, 0, 0, 0, 0, 0, 2, "generic embedded object ",
- DECL object_contents , "div" , DECL object_attrs, DECL object_depr, NULL
-},
-{ "ol", 0, 0, 0, 0, 0, 0, 0, "ordered list ",
- DECL li_elt , "li" , DECL html_attrs, DECL ol_attrs, NULL
-},
-{ "optgroup", 0, 0, 0, 0, 0, 0, 0, "option group ",
- DECL option_elt , "option", DECL optgroup_attrs, NULL, DECL label_attr
-},
-{ "option", 0, 1, 0, 0, 0, 0, 0, "selectable choice " ,
- DECL html_pcdata, NULL, DECL option_attrs, NULL, NULL
-},
-{ "p", 0, 1, 0, 0, 0, 0, 0, "paragraph ",
- DECL html_inline, NULL, DECL html_attrs, DECL align_attr, NULL
-},
-{ "param", 0, 2, 2, 1, 0, 0, 0, "named property value ",
- EMPTY, NULL, DECL param_attrs, NULL, DECL name_attr
-},
-{ "pre", 0, 0, 0, 0, 0, 0, 0, "preformatted text ",
- DECL pre_content, NULL, DECL html_attrs, DECL width_attr, NULL
-},
-{ "q", 0, 0, 0, 0, 0, 0, 1, "short inline quotation ",
- DECL html_inline, NULL, DECL quote_attrs, NULL, NULL
-},
-{ "s", 0, 3, 0, 0, 1, 1, 1, "strike-through text style",
- DECL html_inline, NULL, NULL, DECL html_attrs, NULL
-},
-{ "samp", 0, 0, 0, 0, 0, 0, 1, "sample program output, scripts, etc.",
- DECL html_inline, NULL, DECL html_attrs, NULL, NULL
-},
-{ "script", 0, 0, 0, 0, 0, 0, 2, "script statements ",
- DECL html_cdata, NULL, DECL script_attrs, DECL language_attr, DECL type_attr
-},
-{ "select", 0, 0, 0, 0, 0, 0, 1, "option selector ",
- DECL select_content, NULL, DECL select_attrs, NULL, NULL
-},
-{ "small", 0, 3, 0, 0, 0, 0, 1, "small text style",
- DECL html_inline, NULL, DECL html_attrs, NULL, NULL
-},
-{ "span", 0, 0, 0, 0, 0, 0, 1, "generic language/style container ",
- DECL html_inline, NULL, DECL html_attrs, NULL, NULL
-},
-{ "strike", 0, 3, 0, 0, 1, 1, 1, "strike-through text",
- DECL html_inline, NULL, NULL, DECL html_attrs, NULL
-},
-{ "strong", 0, 3, 0, 0, 0, 0, 1, "strong emphasis",
- DECL html_inline, NULL, DECL html_attrs, NULL, NULL
-},
-{ "style", 0, 0, 0, 0, 0, 0, 0, "style info ",
- DECL html_cdata, NULL, DECL style_attrs, NULL, DECL type_attr
-},
-{ "sub", 0, 3, 0, 0, 0, 0, 1, "subscript",
- DECL html_inline, NULL, DECL html_attrs, NULL, NULL
-},
-{ "sup", 0, 3, 0, 0, 0, 0, 1, "superscript ",
- DECL html_inline, NULL, DECL html_attrs, NULL, NULL
-},
-{ "table", 0, 0, 0, 0, 0, 0, 0, "",
- DECL table_contents , "tr" , DECL table_attrs , DECL table_depr, NULL
-},
-{ "tbody", 1, 0, 0, 0, 0, 0, 0, "table body ",
- DECL tr_elt , "tr" , DECL talign_attrs, NULL, NULL
-},
-{ "td", 0, 0, 0, 0, 0, 0, 0, "table data cell",
- DECL html_flow, NULL, DECL th_td_attr, DECL th_td_depr, NULL
-},
-{ "textarea", 0, 0, 0, 0, 0, 0, 1, "multi-line text field ",
- DECL html_pcdata, NULL, DECL textarea_attrs, NULL, DECL rows_cols_attr
-},
-{ "tfoot", 0, 1, 0, 0, 0, 0, 0, "table footer ",
- DECL tr_elt , "tr" , DECL talign_attrs, NULL, NULL
-},
-{ "th", 0, 1, 0, 0, 0, 0, 0, "table header cell",
- DECL html_flow, NULL, DECL th_td_attr, DECL th_td_depr, NULL
-},
-{ "thead", 0, 1, 0, 0, 0, 0, 0, "table header ",
- DECL tr_elt , "tr" , DECL talign_attrs, NULL, NULL
-},
-{ "title", 0, 0, 0, 0, 0, 0, 0, "document title ",
- DECL html_pcdata, NULL, DECL i18n_attrs, NULL, NULL
-},
-{ "tr", 0, 0, 0, 0, 0, 0, 0, "table row ",
- DECL tr_contents , "td" , DECL talign_attrs, DECL bgcolor_attr, NULL
-},
-{ "tt", 0, 3, 0, 0, 0, 0, 1, "teletype or monospaced text style",
- DECL html_inline, NULL, DECL html_attrs, NULL, NULL
-},
-{ "u", 0, 3, 0, 0, 1, 1, 1, "underlined text style",
- DECL html_inline, NULL, NULL, DECL html_attrs, NULL
-},
-{ "ul", 0, 0, 0, 0, 0, 0, 0, "unordered list ",
- DECL li_elt , "li" , DECL html_attrs, DECL ul_depr, NULL
-},
-{ "var", 0, 0, 0, 0, 0, 0, 1, "instance of a variable or program argument",
- DECL html_inline, NULL, DECL html_attrs, NULL, NULL
-}
-};
-
-/*
- * start tags that imply the end of current element
- */
-static const char * const htmlStartClose[] = {
-"form", "form", "p", "hr", "h1", "h2", "h3", "h4", "h5", "h6",
- "dl", "ul", "ol", "menu", "dir", "address", "pre",
- "listing", "xmp", "head", NULL,
-"head", "p", NULL,
-"title", "p", NULL,
-"body", "head", "style", "link", "title", "p", NULL,
-"frameset", "head", "style", "link", "title", "p", NULL,
-"li", "p", "h1", "h2", "h3", "h4", "h5", "h6", "dl", "address",
- "pre", "listing", "xmp", "head", "li", NULL,
-"hr", "p", "head", NULL,
-"h1", "p", "head", NULL,
-"h2", "p", "head", NULL,
-"h3", "p", "head", NULL,
-"h4", "p", "head", NULL,
-"h5", "p", "head", NULL,
-"h6", "p", "head", NULL,
-"dir", "p", "head", NULL,
-"address", "p", "head", "ul", NULL,
-"pre", "p", "head", "ul", NULL,
-"listing", "p", "head", NULL,
-"xmp", "p", "head", NULL,
-"blockquote", "p", "head", NULL,
-"dl", "p", "dt", "menu", "dir", "address", "pre", "listing",
- "xmp", "head", NULL,
-"dt", "p", "menu", "dir", "address", "pre", "listing", "xmp",
- "head", "dd", NULL,
-"dd", "p", "menu", "dir", "address", "pre", "listing", "xmp",
- "head", "dt", NULL,
-"ul", "p", "head", "ol", "menu", "dir", "address", "pre",
- "listing", "xmp", NULL,
-"ol", "p", "head", "ul", NULL,
-"menu", "p", "head", "ul", NULL,
-"p", "p", "head", "h1", "h2", "h3", "h4", "h5", "h6", FONTSTYLE, NULL,
-"div", "p", "head", NULL,
-"noscript", "p", NULL,
-"center", "font", "b", "i", "p", "head", NULL,
-"a", "a", "head", NULL,
-"caption", "p", NULL,
-"colgroup", "caption", "colgroup", "col", "p", NULL,
-"col", "caption", "col", "p", NULL,
-"table", "p", "head", "h1", "h2", "h3", "h4", "h5", "h6", "pre",
- "listing", "xmp", "a", NULL,
-"th", "th", "td", "p", "span", "font", "a", "b", "i", "u", NULL,
-"td", "th", "td", "p", "span", "font", "a", "b", "i", "u", NULL,
-"tr", "th", "td", "tr", "caption", "col", "colgroup", "p", NULL,
-"thead", "caption", "col", "colgroup", NULL,
-"tfoot", "th", "td", "tr", "caption", "col", "colgroup", "thead",
- "tbody", "p", NULL,
-"tbody", "th", "td", "tr", "caption", "col", "colgroup", "thead",
- "tfoot", "tbody", "p", NULL,
-"optgroup", "option", NULL,
-"option", "option", NULL,
-"fieldset", "legend", "p", "head", "h1", "h2", "h3", "h4", "h5", "h6",
- "pre", "listing", "xmp", "a", NULL,
-/* most tags in in FONTSTYLE, PHRASE and SPECIAL should close <head> */
-"tt", "head", NULL,
-"i", "head", NULL,
-"b", "head", NULL,
-"u", "head", NULL,
-"s", "head", NULL,
-"strike", "head", NULL,
-"big", "head", NULL,
-"small", "head", NULL,
-
-"em", "head", NULL,
-"strong", "head", NULL,
-"dfn", "head", NULL,
-"code", "head", NULL,
-"samp", "head", NULL,
-"kbd", "head", NULL,
-"var", "head", NULL,
-"cite", "head", NULL,
-"abbr", "head", NULL,
-"acronym", "head", NULL,
-
-/* "a" */
-"img", "head", NULL,
-/* "applet" */
-/* "embed" */
-/* "object" */
-"font", "head", NULL,
-/* "basefont" */
-"br", "head", NULL,
-/* "script" */
-"map", "head", NULL,
-"q", "head", NULL,
-"sub", "head", NULL,
-"sup", "head", NULL,
-"span", "head", NULL,
-"bdo", "head", NULL,
-"iframe", "head", NULL,
-NULL
-};
-
-/*
- * The list of HTML elements which are supposed not to have
- * CDATA content and where a p element will be implied
- *
- * TODO: extend that list by reading the HTML SGML DTD on
- * implied paragraph
- */
-static const char *const htmlNoContentElements[] = {
- "html",
- "head",
- NULL
-};
-
-/*
- * The list of HTML attributes which are of content %Script;
- * NOTE: when adding ones, check htmlIsScriptAttribute() since
- * it assumes the name starts with 'on'
- */
-static const char *const htmlScriptAttributes[] = {
- "onclick",
- "ondblclick",
- "onmousedown",
- "onmouseup",
- "onmouseover",
- "onmousemove",
- "onmouseout",
- "onkeypress",
- "onkeydown",
- "onkeyup",
- "onload",
- "onunload",
- "onfocus",
- "onblur",
- "onsubmit",
- "onreset",
- "onchange",
- "onselect"
-};
-
-/*
- * This table is used by the htmlparser to know what to do with
- * broken html pages. By assigning different priorities to different
- * elements the parser can decide how to handle extra endtags.
- * Endtags are only allowed to close elements with lower or equal
- * priority.
- */
-
-typedef struct {
- const char *name;
- int priority;
-} elementPriority;
-
-static const elementPriority htmlEndPriority[] = {
- {"div", 150},
- {"td", 160},
- {"th", 160},
- {"tr", 170},
- {"thead", 180},
- {"tbody", 180},
- {"tfoot", 180},
- {"table", 190},
- {"head", 200},
- {"body", 200},
- {"html", 220},
- {NULL, 100} /* Default priority */
-};
-
-static const char** htmlStartCloseIndex[100];
-static int htmlStartCloseIndexinitialized = 0;
-
-/************************************************************************
- * *
- * functions to handle HTML specific data *
- * *
- ************************************************************************/
-
-/**
- * htmlInitAutoClose:
- *
- * Initialize the htmlStartCloseIndex for fast lookup of closing tags names.
- * This is not reentrant. Call xmlInitParser() once before processing in
- * case of use in multithreaded programs.
- */
-void
-htmlInitAutoClose(void) {
- int indx, i = 0;
-
- if (htmlStartCloseIndexinitialized) return;
-
- for (indx = 0;indx < 100;indx ++) htmlStartCloseIndex[indx] = NULL;
- indx = 0;
- while ((htmlStartClose[i] != NULL) && (indx < 100 - 1)) {
- htmlStartCloseIndex[indx++] = (const char**) &htmlStartClose[i];
- while (htmlStartClose[i] != NULL) i++;
- i++;
- }
- htmlStartCloseIndexinitialized = 1;
-}
-
-/**
- * htmlTagLookup:
- * @tag: The tag name in lowercase
- *
- * Lookup the HTML tag in the ElementTable
- *
- * Returns the related htmlElemDescPtr or NULL if not found.
- */
-const htmlElemDesc *
-htmlTagLookup(const xmlChar *tag) {
- unsigned int i;
-
- for (i = 0; i < (sizeof(html40ElementTable) /
- sizeof(html40ElementTable[0]));i++) {
- if (!xmlStrcasecmp(tag, BAD_CAST html40ElementTable[i].name))
- return((htmlElemDescPtr) &html40ElementTable[i]);
- }
- return(NULL);
-}
-
-/**
- * htmlGetEndPriority:
- * @name: The name of the element to look up the priority for.
- *
- * Return value: The "endtag" priority.
- **/
-static int
-htmlGetEndPriority (const xmlChar *name) {
- int i = 0;
-
- while ((htmlEndPriority[i].name != NULL) &&
- (!xmlStrEqual((const xmlChar *)htmlEndPriority[i].name, name)))
- i++;
-
- return(htmlEndPriority[i].priority);
-}
-
-
-/**
- * htmlCheckAutoClose:
- * @newtag: The new tag name
- * @oldtag: The old tag name
- *
- * Checks whether the new tag is one of the registered valid tags for
- * closing old.
- * Initialize the htmlStartCloseIndex for fast lookup of closing tags names.
- *
- * Returns 0 if no, 1 if yes.
- */
-static int
-htmlCheckAutoClose(const xmlChar * newtag, const xmlChar * oldtag)
-{
- int i, indx;
- const char **closed = NULL;
-
- if (htmlStartCloseIndexinitialized == 0)
- htmlInitAutoClose();
-
- /* inefficient, but not a big deal */
- for (indx = 0; indx < 100; indx++) {
- closed = htmlStartCloseIndex[indx];
- if (closed == NULL)
- return (0);
- if (xmlStrEqual(BAD_CAST * closed, newtag))
- break;
- }
-
- i = closed - htmlStartClose;
- i++;
- while (htmlStartClose[i] != NULL) {
- if (xmlStrEqual(BAD_CAST htmlStartClose[i], oldtag)) {
- return (1);
- }
- i++;
- }
- return (0);
-}
-
-/**
- * htmlAutoCloseOnClose:
- * @ctxt: an HTML parser context
- * @newtag: The new tag name
- * @force: force the tag closure
- *
- * The HTML DTD allows an ending tag to implicitly close other tags.
- */
-static void
-htmlAutoCloseOnClose(htmlParserCtxtPtr ctxt, const xmlChar * newtag)
-{
- const htmlElemDesc *info;
- int i, priority;
-
- priority = htmlGetEndPriority(newtag);
-
- for (i = (ctxt->nameNr - 1); i >= 0; i--) {
-
- if (xmlStrEqual(newtag, ctxt->nameTab[i]))
- break;
- /*
- * A missplaced endtag can only close elements with lower
- * or equal priority, so if we find an element with higher
- * priority before we find an element with
- * matching name, we just ignore this endtag
- */
- if (htmlGetEndPriority(ctxt->nameTab[i]) > priority)
- return;
- }
- if (i < 0)
- return;
-
- while (!xmlStrEqual(newtag, ctxt->name)) {
- info = htmlTagLookup(ctxt->name);
- if ((info != NULL) && (info->endTag == 3)) {
- htmlParseErr(ctxt, XML_ERR_TAG_NAME_MISMATCH,
- "Opening and ending tag mismatch: %s and %s\n",
- newtag, ctxt->name);
- }
- if ((ctxt->sax != NULL) && (ctxt->sax->endElement != NULL))
- ctxt->sax->endElement(ctxt->userData, ctxt->name);
- htmlnamePop(ctxt);
- }
-}
-
-/**
- * htmlAutoCloseOnEnd:
- * @ctxt: an HTML parser context
- *
- * Close all remaining tags at the end of the stream
- */
-static void
-htmlAutoCloseOnEnd(htmlParserCtxtPtr ctxt)
-{
- int i;
-
- if (ctxt->nameNr == 0)
- return;
- for (i = (ctxt->nameNr - 1); i >= 0; i--) {
- if ((ctxt->sax != NULL) && (ctxt->sax->endElement != NULL))
- ctxt->sax->endElement(ctxt->userData, ctxt->name);
- htmlnamePop(ctxt);
- }
-}
-
-/**
- * htmlAutoClose:
- * @ctxt: an HTML parser context
- * @newtag: The new tag name or NULL
- *
- * The HTML DTD allows a tag to implicitly close other tags.
- * The list is kept in htmlStartClose array. This function is
- * called when a new tag has been detected and generates the
- * appropriates closes if possible/needed.
- * If newtag is NULL this mean we are at the end of the resource
- * and we should check
- */
-static void
-htmlAutoClose(htmlParserCtxtPtr ctxt, const xmlChar * newtag)
-{
- while ((newtag != NULL) && (ctxt->name != NULL) &&
- (htmlCheckAutoClose(newtag, ctxt->name))) {
- if ((ctxt->sax != NULL) && (ctxt->sax->endElement != NULL))
- ctxt->sax->endElement(ctxt->userData, ctxt->name);
- htmlnamePop(ctxt);
- }
- if (newtag == NULL) {
- htmlAutoCloseOnEnd(ctxt);
- return;
- }
- while ((newtag == NULL) && (ctxt->name != NULL) &&
- ((xmlStrEqual(ctxt->name, BAD_CAST "head")) ||
- (xmlStrEqual(ctxt->name, BAD_CAST "body")) ||
- (xmlStrEqual(ctxt->name, BAD_CAST "html")))) {
- if ((ctxt->sax != NULL) && (ctxt->sax->endElement != NULL))
- ctxt->sax->endElement(ctxt->userData, ctxt->name);
- htmlnamePop(ctxt);
- }
-}
-
-/**
- * htmlAutoCloseTag:
- * @doc: the HTML document
- * @name: The tag name
- * @elem: the HTML element
- *
- * The HTML DTD allows a tag to implicitly close other tags.
- * The list is kept in htmlStartClose array. This function checks
- * if the element or one of it's children would autoclose the
- * given tag.
- *
- * Returns 1 if autoclose, 0 otherwise
- */
-int
-htmlAutoCloseTag(htmlDocPtr doc, const xmlChar *name, htmlNodePtr elem) {
- htmlNodePtr child;
-
- if (elem == NULL) return(1);
- if (xmlStrEqual(name, elem->name)) return(0);
- if (htmlCheckAutoClose(elem->name, name)) return(1);
- child = elem->children;
- while (child != NULL) {
- if (htmlAutoCloseTag(doc, name, child)) return(1);
- child = child->next;
- }
- return(0);
-}
-
-/**
- * htmlIsAutoClosed:
- * @doc: the HTML document
- * @elem: the HTML element
- *
- * The HTML DTD allows a tag to implicitly close other tags.
- * The list is kept in htmlStartClose array. This function checks
- * if a tag is autoclosed by one of it's child
- *
- * Returns 1 if autoclosed, 0 otherwise
- */
-int
-htmlIsAutoClosed(htmlDocPtr doc, htmlNodePtr elem) {
- htmlNodePtr child;
-
- if (elem == NULL) return(1);
- child = elem->children;
- while (child != NULL) {
- if (htmlAutoCloseTag(doc, elem->name, child)) return(1);
- child = child->next;
- }
- return(0);
-}
-
-/**
- * htmlCheckImplied:
- * @ctxt: an HTML parser context
- * @newtag: The new tag name
- *
- * The HTML DTD allows a tag to exists only implicitly
- * called when a new tag has been detected and generates the
- * appropriates implicit tags if missing
- */
-static void
-htmlCheckImplied(htmlParserCtxtPtr ctxt, const xmlChar *newtag) {
- int i;
-
- if (ctxt->options & HTML_PARSE_NOIMPLIED)
- return;
- if (!htmlOmittedDefaultValue)
- return;
- if (xmlStrEqual(newtag, BAD_CAST"html"))
- return;
- if (ctxt->nameNr <= 0) {
- htmlnamePush(ctxt, BAD_CAST"html");
- if ((ctxt->sax != NULL) && (ctxt->sax->startElement != NULL))
- ctxt->sax->startElement(ctxt->userData, BAD_CAST"html", NULL);
- }
- if ((xmlStrEqual(newtag, BAD_CAST"body")) || (xmlStrEqual(newtag, BAD_CAST"head")))
- return;
- if ((ctxt->nameNr <= 1) &&
- ((xmlStrEqual(newtag, BAD_CAST"script")) ||
- (xmlStrEqual(newtag, BAD_CAST"style")) ||
- (xmlStrEqual(newtag, BAD_CAST"meta")) ||
- (xmlStrEqual(newtag, BAD_CAST"link")) ||
- (xmlStrEqual(newtag, BAD_CAST"title")) ||
- (xmlStrEqual(newtag, BAD_CAST"base")))) {
- if (ctxt->html >= 3) {
- /* we already saw or generated an <head> before */
- return;
- }
- /*
- * dropped OBJECT ... i you put it first BODY will be
- * assumed !
- */
- htmlnamePush(ctxt, BAD_CAST"head");
- if ((ctxt->sax != NULL) && (ctxt->sax->startElement != NULL))
- ctxt->sax->startElement(ctxt->userData, BAD_CAST"head", NULL);
- } else if ((!xmlStrEqual(newtag, BAD_CAST"noframes")) &&
- (!xmlStrEqual(newtag, BAD_CAST"frame")) &&
- (!xmlStrEqual(newtag, BAD_CAST"frameset"))) {
- if (ctxt->html >= 10) {
- /* we already saw or generated a <body> before */
- return;
- }
- for (i = 0;i < ctxt->nameNr;i++) {
- if (xmlStrEqual(ctxt->nameTab[i], BAD_CAST"body")) {
- return;
- }
- if (xmlStrEqual(ctxt->nameTab[i], BAD_CAST"head")) {
- return;
- }
- }
-
- htmlnamePush(ctxt, BAD_CAST"body");
- if ((ctxt->sax != NULL) && (ctxt->sax->startElement != NULL))
- ctxt->sax->startElement(ctxt->userData, BAD_CAST"body", NULL);
- }
-}
-
-/**
- * htmlCheckParagraph
- * @ctxt: an HTML parser context
- *
- * Check whether a p element need to be implied before inserting
- * characters in the current element.
- *
- * Returns 1 if a paragraph has been inserted, 0 if not and -1
- * in case of error.
- */
-
-static int
-htmlCheckParagraph(htmlParserCtxtPtr ctxt) {
- const xmlChar *tag;
- int i;
-
- if (ctxt == NULL)
- return(-1);
- tag = ctxt->name;
- if (tag == NULL) {
- htmlAutoClose(ctxt, BAD_CAST"p");
- htmlCheckImplied(ctxt, BAD_CAST"p");
- htmlnamePush(ctxt, BAD_CAST"p");
- if ((ctxt->sax != NULL) && (ctxt->sax->startElement != NULL))
- ctxt->sax->startElement(ctxt->userData, BAD_CAST"p", NULL);
- return(1);
- }
- if (!htmlOmittedDefaultValue)
- return(0);
- for (i = 0; htmlNoContentElements[i] != NULL; i++) {
- if (xmlStrEqual(tag, BAD_CAST htmlNoContentElements[i])) {
- htmlAutoClose(ctxt, BAD_CAST"p");
- htmlCheckImplied(ctxt, BAD_CAST"p");
- htmlnamePush(ctxt, BAD_CAST"p");
- if ((ctxt->sax != NULL) && (ctxt->sax->startElement != NULL))
- ctxt->sax->startElement(ctxt->userData, BAD_CAST"p", NULL);
- return(1);
- }
- }
- return(0);
-}
-
-/**
- * htmlIsScriptAttribute:
- * @name: an attribute name
- *
- * Check if an attribute is of content type Script
- *
- * Returns 1 is the attribute is a script 0 otherwise
- */
-int
-htmlIsScriptAttribute(const xmlChar *name) {
- unsigned int i;
-
- if (name == NULL)
- return(0);
- /*
- * all script attributes start with 'on'
- */
- if ((name[0] != 'o') || (name[1] != 'n'))
- return(0);
- for (i = 0;
- i < sizeof(htmlScriptAttributes)/sizeof(htmlScriptAttributes[0]);
- i++) {
- if (xmlStrEqual(name, (const xmlChar *) htmlScriptAttributes[i]))
- return(1);
- }
- return(0);
-}
-
-/************************************************************************
- * *
- * The list of HTML predefined entities *
- * *
- ************************************************************************/
-
-
-static const htmlEntityDesc html40EntitiesTable[] = {
-/*
- * the 4 absolute ones, plus apostrophe.
- */
-{ 34, "quot", "quotation mark = APL quote, U+0022 ISOnum" },
-{ 38, "amp", "ampersand, U+0026 ISOnum" },
-{ 39, "apos", "single quote" },
-{ 60, "lt", "less-than sign, U+003C ISOnum" },
-{ 62, "gt", "greater-than sign, U+003E ISOnum" },
-
-/*
- * A bunch still in the 128-255 range
- * Replacing them depend really on the charset used.
- */
-{ 160, "nbsp", "no-break space = non-breaking space, U+00A0 ISOnum" },
-{ 161, "iexcl","inverted exclamation mark, U+00A1 ISOnum" },
-{ 162, "cent", "cent sign, U+00A2 ISOnum" },
-{ 163, "pound","pound sign, U+00A3 ISOnum" },
-{ 164, "curren","currency sign, U+00A4 ISOnum" },
-{ 165, "yen", "yen sign = yuan sign, U+00A5 ISOnum" },
-{ 166, "brvbar","broken bar = broken vertical bar, U+00A6 ISOnum" },
-{ 167, "sect", "section sign, U+00A7 ISOnum" },
-{ 168, "uml", "diaeresis = spacing diaeresis, U+00A8 ISOdia" },
-{ 169, "copy", "copyright sign, U+00A9 ISOnum" },
-{ 170, "ordf", "feminine ordinal indicator, U+00AA ISOnum" },
-{ 171, "laquo","left-pointing double angle quotation mark = left pointing guillemet, U+00AB ISOnum" },
-{ 172, "not", "not sign, U+00AC ISOnum" },
-{ 173, "shy", "soft hyphen = discretionary hyphen, U+00AD ISOnum" },
-{ 174, "reg", "registered sign = registered trade mark sign, U+00AE ISOnum" },
-{ 175, "macr", "macron = spacing macron = overline = APL overbar, U+00AF ISOdia" },
-{ 176, "deg", "degree sign, U+00B0 ISOnum" },
-{ 177, "plusmn","plus-minus sign = plus-or-minus sign, U+00B1 ISOnum" },
-{ 178, "sup2", "superscript two = superscript digit two = squared, U+00B2 ISOnum" },
-{ 179, "sup3", "superscript three = superscript digit three = cubed, U+00B3 ISOnum" },
-{ 180, "acute","acute accent = spacing acute, U+00B4 ISOdia" },
-{ 181, "micro","micro sign, U+00B5 ISOnum" },
-{ 182, "para", "pilcrow sign = paragraph sign, U+00B6 ISOnum" },
-{ 183, "middot","middle dot = Georgian comma Greek middle dot, U+00B7 ISOnum" },
-{ 184, "cedil","cedilla = spacing cedilla, U+00B8 ISOdia" },
-{ 185, "sup1", "superscript one = superscript digit one, U+00B9 ISOnum" },
-{ 186, "ordm", "masculine ordinal indicator, U+00BA ISOnum" },
-{ 187, "raquo","right-pointing double angle quotation mark right pointing guillemet, U+00BB ISOnum" },
-{ 188, "frac14","vulgar fraction one quarter = fraction one quarter, U+00BC ISOnum" },
-{ 189, "frac12","vulgar fraction one half = fraction one half, U+00BD ISOnum" },
-{ 190, "frac34","vulgar fraction three quarters = fraction three quarters, U+00BE ISOnum" },
-{ 191, "iquest","inverted question mark = turned question mark, U+00BF ISOnum" },
-{ 192, "Agrave","latin capital letter A with grave = latin capital letter A grave, U+00C0 ISOlat1" },
-{ 193, "Aacute","latin capital letter A with acute, U+00C1 ISOlat1" },
-{ 194, "Acirc","latin capital letter A with circumflex, U+00C2 ISOlat1" },
-{ 195, "Atilde","latin capital letter A with tilde, U+00C3 ISOlat1" },
-{ 196, "Auml", "latin capital letter A with diaeresis, U+00C4 ISOlat1" },
-{ 197, "Aring","latin capital letter A with ring above = latin capital letter A ring, U+00C5 ISOlat1" },
-{ 198, "AElig","latin capital letter AE = latin capital ligature AE, U+00C6 ISOlat1" },
-{ 199, "Ccedil","latin capital letter C with cedilla, U+00C7 ISOlat1" },
-{ 200, "Egrave","latin capital letter E with grave, U+00C8 ISOlat1" },
-{ 201, "Eacute","latin capital letter E with acute, U+00C9 ISOlat1" },
-{ 202, "Ecirc","latin capital letter E with circumflex, U+00CA ISOlat1" },
-{ 203, "Euml", "latin capital letter E with diaeresis, U+00CB ISOlat1" },
-{ 204, "Igrave","latin capital letter I with grave, U+00CC ISOlat1" },
-{ 205, "Iacute","latin capital letter I with acute, U+00CD ISOlat1" },
-{ 206, "Icirc","latin capital letter I with circumflex, U+00CE ISOlat1" },
-{ 207, "Iuml", "latin capital letter I with diaeresis, U+00CF ISOlat1" },
-{ 208, "ETH", "latin capital letter ETH, U+00D0 ISOlat1" },
-{ 209, "Ntilde","latin capital letter N with tilde, U+00D1 ISOlat1" },
-{ 210, "Ograve","latin capital letter O with grave, U+00D2 ISOlat1" },
-{ 211, "Oacute","latin capital letter O with acute, U+00D3 ISOlat1" },
-{ 212, "Ocirc","latin capital letter O with circumflex, U+00D4 ISOlat1" },
-{ 213, "Otilde","latin capital letter O with tilde, U+00D5 ISOlat1" },
-{ 214, "Ouml", "latin capital letter O with diaeresis, U+00D6 ISOlat1" },
-{ 215, "times","multiplication sign, U+00D7 ISOnum" },
-{ 216, "Oslash","latin capital letter O with stroke latin capital letter O slash, U+00D8 ISOlat1" },
-{ 217, "Ugrave","latin capital letter U with grave, U+00D9 ISOlat1" },
-{ 218, "Uacute","latin capital letter U with acute, U+00DA ISOlat1" },
-{ 219, "Ucirc","latin capital letter U with circumflex, U+00DB ISOlat1" },
-{ 220, "Uuml", "latin capital letter U with diaeresis, U+00DC ISOlat1" },
-{ 221, "Yacute","latin capital letter Y with acute, U+00DD ISOlat1" },
-{ 222, "THORN","latin capital letter THORN, U+00DE ISOlat1" },
-{ 223, "szlig","latin small letter sharp s = ess-zed, U+00DF ISOlat1" },
-{ 224, "agrave","latin small letter a with grave = latin small letter a grave, U+00E0 ISOlat1" },
-{ 225, "aacute","latin small letter a with acute, U+00E1 ISOlat1" },
-{ 226, "acirc","latin small letter a with circumflex, U+00E2 ISOlat1" },
-{ 227, "atilde","latin small letter a with tilde, U+00E3 ISOlat1" },
-{ 228, "auml", "latin small letter a with diaeresis, U+00E4 ISOlat1" },
-{ 229, "aring","latin small letter a with ring above = latin small letter a ring, U+00E5 ISOlat1" },
-{ 230, "aelig","latin small letter ae = latin small ligature ae, U+00E6 ISOlat1" },
-{ 231, "ccedil","latin small letter c with cedilla, U+00E7 ISOlat1" },
-{ 232, "egrave","latin small letter e with grave, U+00E8 ISOlat1" },
-{ 233, "eacute","latin small letter e with acute, U+00E9 ISOlat1" },
-{ 234, "ecirc","latin small letter e with circumflex, U+00EA ISOlat1" },
-{ 235, "euml", "latin small letter e with diaeresis, U+00EB ISOlat1" },
-{ 236, "igrave","latin small letter i with grave, U+00EC ISOlat1" },
-{ 237, "iacute","latin small letter i with acute, U+00ED ISOlat1" },
-{ 238, "icirc","latin small letter i with circumflex, U+00EE ISOlat1" },
-{ 239, "iuml", "latin small letter i with diaeresis, U+00EF ISOlat1" },
-{ 240, "eth", "latin small letter eth, U+00F0 ISOlat1" },
-{ 241, "ntilde","latin small letter n with tilde, U+00F1 ISOlat1" },
-{ 242, "ograve","latin small letter o with grave, U+00F2 ISOlat1" },
-{ 243, "oacute","latin small letter o with acute, U+00F3 ISOlat1" },
-{ 244, "ocirc","latin small letter o with circumflex, U+00F4 ISOlat1" },
-{ 245, "otilde","latin small letter o with tilde, U+00F5 ISOlat1" },
-{ 246, "ouml", "latin small letter o with diaeresis, U+00F6 ISOlat1" },
-{ 247, "divide","division sign, U+00F7 ISOnum" },
-{ 248, "oslash","latin small letter o with stroke, = latin small letter o slash, U+00F8 ISOlat1" },
-{ 249, "ugrave","latin small letter u with grave, U+00F9 ISOlat1" },
-{ 250, "uacute","latin small letter u with acute, U+00FA ISOlat1" },
-{ 251, "ucirc","latin small letter u with circumflex, U+00FB ISOlat1" },
-{ 252, "uuml", "latin small letter u with diaeresis, U+00FC ISOlat1" },
-{ 253, "yacute","latin small letter y with acute, U+00FD ISOlat1" },
-{ 254, "thorn","latin small letter thorn with, U+00FE ISOlat1" },
-{ 255, "yuml", "latin small letter y with diaeresis, U+00FF ISOlat1" },
-
-{ 338, "OElig","latin capital ligature OE, U+0152 ISOlat2" },
-{ 339, "oelig","latin small ligature oe, U+0153 ISOlat2" },
-{ 352, "Scaron","latin capital letter S with caron, U+0160 ISOlat2" },
-{ 353, "scaron","latin small letter s with caron, U+0161 ISOlat2" },
-{ 376, "Yuml", "latin capital letter Y with diaeresis, U+0178 ISOlat2" },
-
-/*
- * Anything below should really be kept as entities references
- */
-{ 402, "fnof", "latin small f with hook = function = florin, U+0192 ISOtech" },
-
-{ 710, "circ", "modifier letter circumflex accent, U+02C6 ISOpub" },
-{ 732, "tilde","small tilde, U+02DC ISOdia" },
-
-{ 913, "Alpha","greek capital letter alpha, U+0391" },
-{ 914, "Beta", "greek capital letter beta, U+0392" },
-{ 915, "Gamma","greek capital letter gamma, U+0393 ISOgrk3" },
-{ 916, "Delta","greek capital letter delta, U+0394 ISOgrk3" },
-{ 917, "Epsilon","greek capital letter epsilon, U+0395" },
-{ 918, "Zeta", "greek capital letter zeta, U+0396" },
-{ 919, "Eta", "greek capital letter eta, U+0397" },
-{ 920, "Theta","greek capital letter theta, U+0398 ISOgrk3" },
-{ 921, "Iota", "greek capital letter iota, U+0399" },
-{ 922, "Kappa","greek capital letter kappa, U+039A" },
-{ 923, "Lambda", "greek capital letter lambda, U+039B ISOgrk3" },
-{ 924, "Mu", "greek capital letter mu, U+039C" },
-{ 925, "Nu", "greek capital letter nu, U+039D" },
-{ 926, "Xi", "greek capital letter xi, U+039E ISOgrk3" },
-{ 927, "Omicron","greek capital letter omicron, U+039F" },
-{ 928, "Pi", "greek capital letter pi, U+03A0 ISOgrk3" },
-{ 929, "Rho", "greek capital letter rho, U+03A1" },
-{ 931, "Sigma","greek capital letter sigma, U+03A3 ISOgrk3" },
-{ 932, "Tau", "greek capital letter tau, U+03A4" },
-{ 933, "Upsilon","greek capital letter upsilon, U+03A5 ISOgrk3" },
-{ 934, "Phi", "greek capital letter phi, U+03A6 ISOgrk3" },
-{ 935, "Chi", "greek capital letter chi, U+03A7" },
-{ 936, "Psi", "greek capital letter psi, U+03A8 ISOgrk3" },
-{ 937, "Omega","greek capital letter omega, U+03A9 ISOgrk3" },
-
-{ 945, "alpha","greek small letter alpha, U+03B1 ISOgrk3" },
-{ 946, "beta", "greek small letter beta, U+03B2 ISOgrk3" },
-{ 947, "gamma","greek small letter gamma, U+03B3 ISOgrk3" },
-{ 948, "delta","greek small letter delta, U+03B4 ISOgrk3" },
-{ 949, "epsilon","greek small letter epsilon, U+03B5 ISOgrk3" },
-{ 950, "zeta", "greek small letter zeta, U+03B6 ISOgrk3" },
-{ 951, "eta", "greek small letter eta, U+03B7 ISOgrk3" },
-{ 952, "theta","greek small letter theta, U+03B8 ISOgrk3" },
-{ 953, "iota", "greek small letter iota, U+03B9 ISOgrk3" },
-{ 954, "kappa","greek small letter kappa, U+03BA ISOgrk3" },
-{ 955, "lambda","greek small letter lambda, U+03BB ISOgrk3" },
-{ 956, "mu", "greek small letter mu, U+03BC ISOgrk3" },
-{ 957, "nu", "greek small letter nu, U+03BD ISOgrk3" },
-{ 958, "xi", "greek small letter xi, U+03BE ISOgrk3" },
-{ 959, "omicron","greek small letter omicron, U+03BF NEW" },
-{ 960, "pi", "greek small letter pi, U+03C0 ISOgrk3" },
-{ 961, "rho", "greek small letter rho, U+03C1 ISOgrk3" },
-{ 962, "sigmaf","greek small letter final sigma, U+03C2 ISOgrk3" },
-{ 963, "sigma","greek small letter sigma, U+03C3 ISOgrk3" },
-{ 964, "tau", "greek small letter tau, U+03C4 ISOgrk3" },
-{ 965, "upsilon","greek small letter upsilon, U+03C5 ISOgrk3" },
-{ 966, "phi", "greek small letter phi, U+03C6 ISOgrk3" },
-{ 967, "chi", "greek small letter chi, U+03C7 ISOgrk3" },
-{ 968, "psi", "greek small letter psi, U+03C8 ISOgrk3" },
-{ 969, "omega","greek small letter omega, U+03C9 ISOgrk3" },
-{ 977, "thetasym","greek small letter theta symbol, U+03D1 NEW" },
-{ 978, "upsih","greek upsilon with hook symbol, U+03D2 NEW" },
-{ 982, "piv", "greek pi symbol, U+03D6 ISOgrk3" },
-
-{ 8194, "ensp", "en space, U+2002 ISOpub" },
-{ 8195, "emsp", "em space, U+2003 ISOpub" },
-{ 8201, "thinsp","thin space, U+2009 ISOpub" },
-{ 8204, "zwnj", "zero width non-joiner, U+200C NEW RFC 2070" },
-{ 8205, "zwj", "zero width joiner, U+200D NEW RFC 2070" },
-{ 8206, "lrm", "left-to-right mark, U+200E NEW RFC 2070" },
-{ 8207, "rlm", "right-to-left mark, U+200F NEW RFC 2070" },
-{ 8211, "ndash","en dash, U+2013 ISOpub" },
-{ 8212, "mdash","em dash, U+2014 ISOpub" },
-{ 8216, "lsquo","left single quotation mark, U+2018 ISOnum" },
-{ 8217, "rsquo","right single quotation mark, U+2019 ISOnum" },
-{ 8218, "sbquo","single low-9 quotation mark, U+201A NEW" },
-{ 8220, "ldquo","left double quotation mark, U+201C ISOnum" },
-{ 8221, "rdquo","right double quotation mark, U+201D ISOnum" },
-{ 8222, "bdquo","double low-9 quotation mark, U+201E NEW" },
-{ 8224, "dagger","dagger, U+2020 ISOpub" },
-{ 8225, "Dagger","double dagger, U+2021 ISOpub" },
-
-{ 8226, "bull", "bullet = black small circle, U+2022 ISOpub" },
-{ 8230, "hellip","horizontal ellipsis = three dot leader, U+2026 ISOpub" },
-
-{ 8240, "permil","per mille sign, U+2030 ISOtech" },
-
-{ 8242, "prime","prime = minutes = feet, U+2032 ISOtech" },
-{ 8243, "Prime","double prime = seconds = inches, U+2033 ISOtech" },
-
-{ 8249, "lsaquo","single left-pointing angle quotation mark, U+2039 ISO proposed" },
-{ 8250, "rsaquo","single right-pointing angle quotation mark, U+203A ISO proposed" },
-
-{ 8254, "oline","overline = spacing overscore, U+203E NEW" },
-{ 8260, "frasl","fraction slash, U+2044 NEW" },
-
-{ 8364, "euro", "euro sign, U+20AC NEW" },
-
-{ 8465, "image","blackletter capital I = imaginary part, U+2111 ISOamso" },
-{ 8472, "weierp","script capital P = power set = Weierstrass p, U+2118 ISOamso" },
-{ 8476, "real", "blackletter capital R = real part symbol, U+211C ISOamso" },
-{ 8482, "trade","trade mark sign, U+2122 ISOnum" },
-{ 8501, "alefsym","alef symbol = first transfinite cardinal, U+2135 NEW" },
-{ 8592, "larr", "leftwards arrow, U+2190 ISOnum" },
-{ 8593, "uarr", "upwards arrow, U+2191 ISOnum" },
-{ 8594, "rarr", "rightwards arrow, U+2192 ISOnum" },
-{ 8595, "darr", "downwards arrow, U+2193 ISOnum" },
-{ 8596, "harr", "left right arrow, U+2194 ISOamsa" },
-{ 8629, "crarr","downwards arrow with corner leftwards = carriage return, U+21B5 NEW" },
-{ 8656, "lArr", "leftwards double arrow, U+21D0 ISOtech" },
-{ 8657, "uArr", "upwards double arrow, U+21D1 ISOamsa" },
-{ 8658, "rArr", "rightwards double arrow, U+21D2 ISOtech" },
-{ 8659, "dArr", "downwards double arrow, U+21D3 ISOamsa" },
-{ 8660, "hArr", "left right double arrow, U+21D4 ISOamsa" },
-
-{ 8704, "forall","for all, U+2200 ISOtech" },
-{ 8706, "part", "partial differential, U+2202 ISOtech" },
-{ 8707, "exist","there exists, U+2203 ISOtech" },
-{ 8709, "empty","empty set = null set = diameter, U+2205 ISOamso" },
-{ 8711, "nabla","nabla = backward difference, U+2207 ISOtech" },
-{ 8712, "isin", "element of, U+2208 ISOtech" },
-{ 8713, "notin","not an element of, U+2209 ISOtech" },
-{ 8715, "ni", "contains as member, U+220B ISOtech" },
-{ 8719, "prod", "n-ary product = product sign, U+220F ISOamsb" },
-{ 8721, "sum", "n-ary summation, U+2211 ISOamsb" },
-{ 8722, "minus","minus sign, U+2212 ISOtech" },
-{ 8727, "lowast","asterisk operator, U+2217 ISOtech" },
-{ 8730, "radic","square root = radical sign, U+221A ISOtech" },
-{ 8733, "prop", "proportional to, U+221D ISOtech" },
-{ 8734, "infin","infinity, U+221E ISOtech" },
-{ 8736, "ang", "angle, U+2220 ISOamso" },
-{ 8743, "and", "logical and = wedge, U+2227 ISOtech" },
-{ 8744, "or", "logical or = vee, U+2228 ISOtech" },
-{ 8745, "cap", "intersection = cap, U+2229 ISOtech" },
-{ 8746, "cup", "union = cup, U+222A ISOtech" },
-{ 8747, "int", "integral, U+222B ISOtech" },
-{ 8756, "there4","therefore, U+2234 ISOtech" },
-{ 8764, "sim", "tilde operator = varies with = similar to, U+223C ISOtech" },
-{ 8773, "cong", "approximately equal to, U+2245 ISOtech" },
-{ 8776, "asymp","almost equal to = asymptotic to, U+2248 ISOamsr" },
-{ 8800, "ne", "not equal to, U+2260 ISOtech" },
-{ 8801, "equiv","identical to, U+2261 ISOtech" },
-{ 8804, "le", "less-than or equal to, U+2264 ISOtech" },
-{ 8805, "ge", "greater-than or equal to, U+2265 ISOtech" },
-{ 8834, "sub", "subset of, U+2282 ISOtech" },
-{ 8835, "sup", "superset of, U+2283 ISOtech" },
-{ 8836, "nsub", "not a subset of, U+2284 ISOamsn" },
-{ 8838, "sube", "subset of or equal to, U+2286 ISOtech" },
-{ 8839, "supe", "superset of or equal to, U+2287 ISOtech" },
-{ 8853, "oplus","circled plus = direct sum, U+2295 ISOamsb" },
-{ 8855, "otimes","circled times = vector product, U+2297 ISOamsb" },
-{ 8869, "perp", "up tack = orthogonal to = perpendicular, U+22A5 ISOtech" },
-{ 8901, "sdot", "dot operator, U+22C5 ISOamsb" },
-{ 8968, "lceil","left ceiling = apl upstile, U+2308 ISOamsc" },
-{ 8969, "rceil","right ceiling, U+2309 ISOamsc" },
-{ 8970, "lfloor","left floor = apl downstile, U+230A ISOamsc" },
-{ 8971, "rfloor","right floor, U+230B ISOamsc" },
-{ 9001, "lang", "left-pointing angle bracket = bra, U+2329 ISOtech" },
-{ 9002, "rang", "right-pointing angle bracket = ket, U+232A ISOtech" },
-{ 9674, "loz", "lozenge, U+25CA ISOpub" },
-
-{ 9824, "spades","black spade suit, U+2660 ISOpub" },
-{ 9827, "clubs","black club suit = shamrock, U+2663 ISOpub" },
-{ 9829, "hearts","black heart suit = valentine, U+2665 ISOpub" },
-{ 9830, "diams","black diamond suit, U+2666 ISOpub" },
-
-};
-
-/************************************************************************
- * *
- * Commodity functions to handle entities *
- * *
- ************************************************************************/
-
-/*
- * Macro used to grow the current buffer.
- */
-#define growBuffer(buffer) { \
- xmlChar *tmp; \
- buffer##_size *= 2; \
- tmp = (xmlChar *) xmlRealloc(buffer, buffer##_size * sizeof(xmlChar)); \
- if (tmp == NULL) { \
- htmlErrMemory(ctxt, "growing buffer\n"); \
- xmlFree(buffer); \
- return(NULL); \
- } \
- buffer = tmp; \
-}
-
-/**
- * htmlEntityLookup:
- * @name: the entity name
- *
- * Lookup the given entity in EntitiesTable
- *
- * TODO: the linear scan is really ugly, an hash table is really needed.
- *
- * Returns the associated htmlEntityDescPtr if found, NULL otherwise.
- */
-const htmlEntityDesc *
-htmlEntityLookup(const xmlChar *name) {
- unsigned int i;
-
- for (i = 0;i < (sizeof(html40EntitiesTable)/
- sizeof(html40EntitiesTable[0]));i++) {
- if (xmlStrEqual(name, BAD_CAST html40EntitiesTable[i].name)) {
- return((htmlEntityDescPtr) &html40EntitiesTable[i]);
- }
- }
- return(NULL);
-}
-
-/**
- * htmlEntityValueLookup:
- * @value: the entity's unicode value
- *
- * Lookup the given entity in EntitiesTable
- *
- * TODO: the linear scan is really ugly, an hash table is really needed.
- *
- * Returns the associated htmlEntityDescPtr if found, NULL otherwise.
- */
-const htmlEntityDesc *
-htmlEntityValueLookup(unsigned int value) {
- unsigned int i;
-
- for (i = 0;i < (sizeof(html40EntitiesTable)/
- sizeof(html40EntitiesTable[0]));i++) {
- if (html40EntitiesTable[i].value >= value) {
- if (html40EntitiesTable[i].value > value)
- break;
- return((htmlEntityDescPtr) &html40EntitiesTable[i]);
- }
- }
- return(NULL);
-}
-
-/**
- * UTF8ToHtml:
- * @out: a pointer to an array of bytes to store the result
- * @outlen: the length of @out
- * @in: a pointer to an array of UTF-8 chars
- * @inlen: the length of @in
- *
- * Take a block of UTF-8 chars in and try to convert it to an ASCII
- * plus HTML entities block of chars out.
- *
- * Returns 0 if success, -2 if the transcoding fails, or -1 otherwise
- * The value of @inlen after return is the number of octets consumed
- * as the return value is positive, else unpredictable.
- * The value of @outlen after return is the number of octets consumed.
- */
-int
-UTF8ToHtml(unsigned char* out, int *outlen,
- const unsigned char* in, int *inlen) {
- const unsigned char* processed = in;
- const unsigned char* outend;
- const unsigned char* outstart = out;
- const unsigned char* instart = in;
- const unsigned char* inend;
- unsigned int c, d;
- int trailing;
-
- if ((out == NULL) || (outlen == NULL) || (inlen == NULL)) return(-1);
- if (in == NULL) {
- /*
- * initialization nothing to do
- */
- *outlen = 0;
- *inlen = 0;
- return(0);
- }
- inend = in + (*inlen);
- outend = out + (*outlen);
- while (in < inend) {
- d = *in++;
- if (d < 0x80) { c= d; trailing= 0; }
- else if (d < 0xC0) {
- /* trailing byte in leading position */
- *outlen = out - outstart;
- *inlen = processed - instart;
- return(-2);
- } else if (d < 0xE0) { c= d & 0x1F; trailing= 1; }
- else if (d < 0xF0) { c= d & 0x0F; trailing= 2; }
- else if (d < 0xF8) { c= d & 0x07; trailing= 3; }
- else {
- /* no chance for this in Ascii */
- *outlen = out - outstart;
- *inlen = processed - instart;
- return(-2);
- }
-
- if (inend - in < trailing) {
- break;
- }
-
- for ( ; trailing; trailing--) {
- if ((in >= inend) || (((d= *in++) & 0xC0) != 0x80))
- break;
- c <<= 6;
- c |= d & 0x3F;
- }
-
- /* assertion: c is a single UTF-4 value */
- if (c < 0x80) {
- if (out + 1 >= outend)
- break;
- *out++ = c;
- } else {
- int len;
- const htmlEntityDesc * ent;
- const char *cp;
- char nbuf[16];
-
- /*
- * Try to lookup a predefined HTML entity for it
- */
-
- ent = htmlEntityValueLookup(c);
- if (ent == NULL) {
- snprintf(nbuf, sizeof(nbuf), "#%u", c);
- cp = nbuf;
- }
- else
- cp = ent->name;
- len = strlen(cp);
- if (out + 2 + len >= outend)
- break;
- *out++ = '&';
- memcpy(out, cp, len);
- out += len;
- *out++ = ';';
- }
- processed = in;
- }
- *outlen = out - outstart;
- *inlen = processed - instart;
- return(0);
-}
-
-/**
- * htmlEncodeEntities:
- * @out: a pointer to an array of bytes to store the result
- * @outlen: the length of @out
- * @in: a pointer to an array of UTF-8 chars
- * @inlen: the length of @in
- * @quoteChar: the quote character to escape (' or ") or zero.
- *
- * Take a block of UTF-8 chars in and try to convert it to an ASCII
- * plus HTML entities block of chars out.
- *
- * Returns 0 if success, -2 if the transcoding fails, or -1 otherwise
- * The value of @inlen after return is the number of octets consumed
- * as the return value is positive, else unpredictable.
- * The value of @outlen after return is the number of octets consumed.
- */
-int
-htmlEncodeEntities(unsigned char* out, int *outlen,
- const unsigned char* in, int *inlen, int quoteChar) {
- const unsigned char* processed = in;
- const unsigned char* outend;
- const unsigned char* outstart = out;
- const unsigned char* instart = in;
- const unsigned char* inend;
- unsigned int c, d;
- int trailing;
-
- if ((out == NULL) || (outlen == NULL) || (inlen == NULL) || (in == NULL))
- return(-1);
- outend = out + (*outlen);
- inend = in + (*inlen);
- while (in < inend) {
- d = *in++;
- if (d < 0x80) { c= d; trailing= 0; }
- else if (d < 0xC0) {
- /* trailing byte in leading position */
- *outlen = out - outstart;
- *inlen = processed - instart;
- return(-2);
- } else if (d < 0xE0) { c= d & 0x1F; trailing= 1; }
- else if (d < 0xF0) { c= d & 0x0F; trailing= 2; }
- else if (d < 0xF8) { c= d & 0x07; trailing= 3; }
- else {
- /* no chance for this in Ascii */
- *outlen = out - outstart;
- *inlen = processed - instart;
- return(-2);
- }
-
- if (inend - in < trailing)
- break;
-
- while (trailing--) {
- if (((d= *in++) & 0xC0) != 0x80) {
- *outlen = out - outstart;
- *inlen = processed - instart;
- return(-2);
- }
- c <<= 6;
- c |= d & 0x3F;
- }
-
- /* assertion: c is a single UTF-4 value */
- if ((c < 0x80) && (c != (unsigned int) quoteChar) &&
- (c != '&') && (c != '<') && (c != '>')) {
- if (out >= outend)
- break;
- *out++ = c;
- } else {
- const htmlEntityDesc * ent;
- const char *cp;
- char nbuf[16];
- int len;
-
- /*
- * Try to lookup a predefined HTML entity for it
- */
- ent = htmlEntityValueLookup(c);
- if (ent == NULL) {
- snprintf(nbuf, sizeof(nbuf), "#%u", c);
- cp = nbuf;
- }
- else
- cp = ent->name;
- len = strlen(cp);
- if (out + 2 + len > outend)
- break;
- *out++ = '&';
- memcpy(out, cp, len);
- out += len;
- *out++ = ';';
- }
- processed = in;
- }
- *outlen = out - outstart;
- *inlen = processed - instart;
- return(0);
-}
-
-/************************************************************************
- * *
- * Commodity functions to handle streams *
- * *
- ************************************************************************/
-
-/**
- * htmlNewInputStream:
- * @ctxt: an HTML parser context
- *
- * Create a new input stream structure
- * Returns the new input stream or NULL
- */
-static htmlParserInputPtr
-htmlNewInputStream(htmlParserCtxtPtr ctxt) {
- htmlParserInputPtr input;
-
- input = (xmlParserInputPtr) xmlMalloc(sizeof(htmlParserInput));
- if (input == NULL) {
- htmlErrMemory(ctxt, "couldn't allocate a new input stream\n");
- return(NULL);
- }
- memset(input, 0, sizeof(htmlParserInput));
- input->filename = NULL;
- input->directory = NULL;
- input->base = NULL;
- input->cur = NULL;
- input->buf = NULL;
- input->line = 1;
- input->col = 1;
- input->buf = NULL;
- input->free = NULL;
- input->version = NULL;
- input->consumed = 0;
- input->length = 0;
- return(input);
-}
-
-
-/************************************************************************
- * *
- * Commodity functions, cleanup needed ? *
- * *
- ************************************************************************/
-/*
- * all tags allowing pc data from the html 4.01 loose dtd
- * NOTE: it might be more apropriate to integrate this information
- * into the html40ElementTable array but I don't want to risk any
- * binary incomptibility
- */
-static const char *allowPCData[] = {
- "a", "abbr", "acronym", "address", "applet", "b", "bdo", "big",
- "blockquote", "body", "button", "caption", "center", "cite", "code",
- "dd", "del", "dfn", "div", "dt", "em", "font", "form", "h1", "h2",
- "h3", "h4", "h5", "h6", "i", "iframe", "ins", "kbd", "label", "legend",
- "li", "noframes", "noscript", "object", "p", "pre", "q", "s", "samp",
- "small", "span", "strike", "strong", "td", "th", "tt", "u", "var"
-};
-
-/**
- * areBlanks:
- * @ctxt: an HTML parser context
- * @str: a xmlChar *
- * @len: the size of @str
- *
- * Is this a sequence of blank chars that one can ignore ?
- *
- * Returns 1 if ignorable 0 otherwise.
- */
-
-static int areBlanks(htmlParserCtxtPtr ctxt, const xmlChar *str, int len) {
- unsigned int i;
- int j;
- xmlNodePtr lastChild;
- xmlDtdPtr dtd;
-
- for (j = 0;j < len;j++)
- if (!(IS_BLANK_CH(str[j]))) return(0);
-
- if (CUR == 0) return(1);
- if (CUR != '<') return(0);
- if (ctxt->name == NULL)
- return(1);
- if (xmlStrEqual(ctxt->name, BAD_CAST"html"))
- return(1);
- if (xmlStrEqual(ctxt->name, BAD_CAST"head"))
- return(1);
-
- /* Only strip CDATA children of the body tag for strict HTML DTDs */
- if (xmlStrEqual(ctxt->name, BAD_CAST "body") && ctxt->myDoc != NULL) {
- dtd = xmlGetIntSubset(ctxt->myDoc);
- if (dtd != NULL && dtd->ExternalID != NULL) {
- if (!xmlStrcasecmp(dtd->ExternalID, BAD_CAST "-//W3C//DTD HTML 4.01//EN") ||
- !xmlStrcasecmp(dtd->ExternalID, BAD_CAST "-//W3C//DTD HTML 4//EN"))
- return(1);
- }
- }
-
- if (ctxt->node == NULL) return(0);
- lastChild = xmlGetLastChild(ctxt->node);
- while ((lastChild) && (lastChild->type == XML_COMMENT_NODE))
- lastChild = lastChild->prev;
- if (lastChild == NULL) {
- if ((ctxt->node->type != XML_ELEMENT_NODE) &&
- (ctxt->node->content != NULL)) return(0);
- /* keep ws in constructs like ...<b> </b>...
- for all tags "b" allowing PCDATA */
- for ( i = 0; i < sizeof(allowPCData)/sizeof(allowPCData[0]); i++ ) {
- if ( xmlStrEqual(ctxt->name, BAD_CAST allowPCData[i]) ) {
- return(0);
- }
- }
- } else if (xmlNodeIsText(lastChild)) {
- return(0);
- } else {
- /* keep ws in constructs like <p><b>xy</b> <i>z</i><p>
- for all tags "p" allowing PCDATA */
- for ( i = 0; i < sizeof(allowPCData)/sizeof(allowPCData[0]); i++ ) {
- if ( xmlStrEqual(lastChild->name, BAD_CAST allowPCData[i]) ) {
- return(0);
- }
- }
- }
- return(1);
-}
-
-/**
- * htmlNewDocNoDtD:
- * @URI: URI for the dtd, or NULL
- * @ExternalID: the external ID of the DTD, or NULL
- *
- * Creates a new HTML document without a DTD node if @URI and @ExternalID
- * are NULL
- *
- * Returns a new document, do not initialize the DTD if not provided
- */
-htmlDocPtr
-htmlNewDocNoDtD(const xmlChar *URI, const xmlChar *ExternalID) {
- xmlDocPtr cur;
-
- /*
- * Allocate a new document and fill the fields.
- */
- cur = (xmlDocPtr) xmlMalloc(sizeof(xmlDoc));
- if (cur == NULL) {
- htmlErrMemory(NULL, "HTML document creation failed\n");
- return(NULL);
- }
- memset(cur, 0, sizeof(xmlDoc));
-
- cur->type = XML_HTML_DOCUMENT_NODE;
- cur->version = NULL;
- cur->intSubset = NULL;
- cur->doc = cur;
- cur->name = NULL;
- cur->children = NULL;
- cur->extSubset = NULL;
- cur->oldNs = NULL;
- cur->encoding = NULL;
- cur->standalone = 1;
- cur->compression = 0;
- cur->ids = NULL;
- cur->refs = NULL;
- cur->_private = NULL;
- cur->charset = XML_CHAR_ENCODING_UTF8;
- cur->properties = XML_DOC_HTML | XML_DOC_USERBUILT;
- if ((ExternalID != NULL) ||
- (URI != NULL))
- xmlCreateIntSubset(cur, BAD_CAST "html", ExternalID, URI);
- return(cur);
-}
-
-/**
- * htmlNewDoc:
- * @URI: URI for the dtd, or NULL
- * @ExternalID: the external ID of the DTD, or NULL
- *
- * Creates a new HTML document
- *
- * Returns a new document
- */
-htmlDocPtr
-htmlNewDoc(const xmlChar *URI, const xmlChar *ExternalID) {
- if ((URI == NULL) && (ExternalID == NULL))
- return(htmlNewDocNoDtD(
- BAD_CAST "http://www.w3.org/TR/REC-html40/loose.dtd",
- BAD_CAST "-//W3C//DTD HTML 4.0 Transitional//EN"));
-
- return(htmlNewDocNoDtD(URI, ExternalID));
-}
-
-
-/************************************************************************
- * *
- * The parser itself *
- * Relates to http://www.w3.org/TR/html40 *
- * *
- ************************************************************************/
-
-/************************************************************************
- * *
- * The parser itself *
- * *
- ************************************************************************/
-
-static const xmlChar * htmlParseNameComplex(xmlParserCtxtPtr ctxt);
-
-/**
- * htmlParseHTMLName:
- * @ctxt: an HTML parser context
- *
- * parse an HTML tag or attribute name, note that we convert it to lowercase
- * since HTML names are not case-sensitive.
- *
- * Returns the Tag Name parsed or NULL
- */
-
-static const xmlChar *
-htmlParseHTMLName(htmlParserCtxtPtr ctxt) {
- int i = 0;
- xmlChar loc[HTML_PARSER_BUFFER_SIZE];
-
- if (!IS_ASCII_LETTER(CUR) && (CUR != '_') &&
- (CUR != ':') && (CUR != '.')) return(NULL);
-
- while ((i < HTML_PARSER_BUFFER_SIZE) &&
- ((IS_ASCII_LETTER(CUR)) || (IS_ASCII_DIGIT(CUR)) ||
- (CUR == ':') || (CUR == '-') || (CUR == '_') ||
- (CUR == '.'))) {
- if ((CUR >= 'A') && (CUR <= 'Z')) loc[i] = CUR + 0x20;
- else loc[i] = CUR;
- i++;
-
- NEXT;
- }
-
- return(xmlDictLookup(ctxt->dict, loc, i));
-}
-
-
-/**
- * htmlParseHTMLName_nonInvasive:
- * @ctxt: an HTML parser context
- *
- * parse an HTML tag or attribute name, note that we convert it to lowercase
- * since HTML names are not case-sensitive, this doesn't consume the data
- * from the stream, it's a look-ahead
- *
- * Returns the Tag Name parsed or NULL
- */
-
-static const xmlChar *
-htmlParseHTMLName_nonInvasive(htmlParserCtxtPtr ctxt) {
- int i = 0;
- xmlChar loc[HTML_PARSER_BUFFER_SIZE];
-
- if (!IS_ASCII_LETTER(NXT(1)) && (NXT(1) != '_') &&
- (NXT(1) != ':')) return(NULL);
-
- while ((i < HTML_PARSER_BUFFER_SIZE) &&
- ((IS_ASCII_LETTER(NXT(1+i))) || (IS_ASCII_DIGIT(NXT(1+i))) ||
- (NXT(1+i) == ':') || (NXT(1+i) == '-') || (NXT(1+i) == '_'))) {
- if ((NXT(1+i) >= 'A') && (NXT(1+i) <= 'Z')) loc[i] = NXT(1+i) + 0x20;
- else loc[i] = NXT(1+i);
- i++;
- }
-
- return(xmlDictLookup(ctxt->dict, loc, i));
-}
-
-
-/**
- * htmlParseName:
- * @ctxt: an HTML parser context
- *
- * parse an HTML name, this routine is case sensitive.
- *
- * Returns the Name parsed or NULL
- */
-
-static const xmlChar *
-htmlParseName(htmlParserCtxtPtr ctxt) {
- const xmlChar *in;
- const xmlChar *ret;
- int count = 0;
-
- GROW;
-
- /*
- * Accelerator for simple ASCII names
- */
- in = ctxt->input->cur;
- if (((*in >= 0x61) && (*in <= 0x7A)) ||
- ((*in >= 0x41) && (*in <= 0x5A)) ||
- (*in == '_') || (*in == ':')) {
- in++;
- while (((*in >= 0x61) && (*in <= 0x7A)) ||
- ((*in >= 0x41) && (*in <= 0x5A)) ||
- ((*in >= 0x30) && (*in <= 0x39)) ||
- (*in == '_') || (*in == '-') ||
- (*in == ':') || (*in == '.'))
- in++;
- if ((*in > 0) && (*in < 0x80)) {
- count = in - ctxt->input->cur;
- ret = xmlDictLookup(ctxt->dict, ctxt->input->cur, count);
- ctxt->input->cur = in;
- ctxt->nbChars += count;
- ctxt->input->col += count;
- return(ret);
- }
- }
- return(htmlParseNameComplex(ctxt));
-}
-
-static const xmlChar *
-htmlParseNameComplex(xmlParserCtxtPtr ctxt) {
- int len = 0, l;
- int c;
- int count = 0;
-
- /*
- * Handler for more complex cases
- */
- GROW;
- c = CUR_CHAR(l);
- if ((c == ' ') || (c == '>') || (c == '/') || /* accelerators */
- (!IS_LETTER(c) && (c != '_') &&
- (c != ':'))) {
- return(NULL);
- }
-
- while ((c != ' ') && (c != '>') && (c != '/') && /* test bigname.xml */
- ((IS_LETTER(c)) || (IS_DIGIT(c)) ||
- (c == '.') || (c == '-') ||
- (c == '_') || (c == ':') ||
- (IS_COMBINING(c)) ||
- (IS_EXTENDER(c)))) {
- if (count++ > 100) {
- count = 0;
- GROW;
- }
- len += l;
- NEXTL(l);
- c = CUR_CHAR(l);
- }
- return(xmlDictLookup(ctxt->dict, ctxt->input->cur - len, len));
-}
-
-
-/**
- * htmlParseHTMLAttribute:
- * @ctxt: an HTML parser context
- * @stop: a char stop value
- *
- * parse an HTML attribute value till the stop (quote), if
- * stop is 0 then it stops at the first space
- *
- * Returns the attribute parsed or NULL
- */
-
-static xmlChar *
-htmlParseHTMLAttribute(htmlParserCtxtPtr ctxt, const xmlChar stop) {
- xmlChar *buffer = NULL;
- int buffer_size = 0;
- xmlChar *out = NULL;
- const xmlChar *name = NULL;
- const xmlChar *cur = NULL;
- const htmlEntityDesc * ent;
-
- /*
- * allocate a translation buffer.
- */
- buffer_size = HTML_PARSER_BUFFER_SIZE;
- buffer = (xmlChar *) xmlMallocAtomic(buffer_size * sizeof(xmlChar));
- if (buffer == NULL) {
- htmlErrMemory(ctxt, "buffer allocation failed\n");
- return(NULL);
- }
- out = buffer;
-
- /*
- * Ok loop until we reach one of the ending chars
- */
- while ((CUR != 0) && (CUR != stop)) {
- if ((stop == 0) && (CUR == '>')) break;
- if ((stop == 0) && (IS_BLANK_CH(CUR))) break;
- if (CUR == '&') {
- if (NXT(1) == '#') {
- unsigned int c;
- int bits;
-
- c = htmlParseCharRef(ctxt);
- if (c < 0x80)
- { *out++ = c; bits= -6; }
- else if (c < 0x800)
- { *out++ =((c >> 6) & 0x1F) | 0xC0; bits= 0; }
- else if (c < 0x10000)
- { *out++ =((c >> 12) & 0x0F) | 0xE0; bits= 6; }
- else
- { *out++ =((c >> 18) & 0x07) | 0xF0; bits= 12; }
-
- for ( ; bits >= 0; bits-= 6) {
- *out++ = ((c >> bits) & 0x3F) | 0x80;
- }
-
- if (out - buffer > buffer_size - 100) {
- int indx = out - buffer;
-
- growBuffer(buffer);
- out = &buffer[indx];
- }
- } else {
- ent = htmlParseEntityRef(ctxt, &name);
- if (name == NULL) {
- *out++ = '&';
- if (out - buffer > buffer_size - 100) {
- int indx = out - buffer;
-
- growBuffer(buffer);
- out = &buffer[indx];
- }
- } else if (ent == NULL) {
- *out++ = '&';
- cur = name;
- while (*cur != 0) {
- if (out - buffer > buffer_size - 100) {
- int indx = out - buffer;
-
- growBuffer(buffer);
- out = &buffer[indx];
- }
- *out++ = *cur++;
- }
- } else {
- unsigned int c;
- int bits;
-
- if (out - buffer > buffer_size - 100) {
- int indx = out - buffer;
-
- growBuffer(buffer);
- out = &buffer[indx];
- }
- c = ent->value;
- if (c < 0x80)
- { *out++ = c; bits= -6; }
- else if (c < 0x800)
- { *out++ =((c >> 6) & 0x1F) | 0xC0; bits= 0; }
- else if (c < 0x10000)
- { *out++ =((c >> 12) & 0x0F) | 0xE0; bits= 6; }
- else
- { *out++ =((c >> 18) & 0x07) | 0xF0; bits= 12; }
-
- for ( ; bits >= 0; bits-= 6) {
- *out++ = ((c >> bits) & 0x3F) | 0x80;
- }
- }
- }
- } else {
- unsigned int c;
- int bits, l;
-
- if (out - buffer > buffer_size - 100) {
- int indx = out - buffer;
-
- growBuffer(buffer);
- out = &buffer[indx];
- }
- c = CUR_CHAR(l);
- if (c < 0x80)
- { *out++ = c; bits= -6; }
- else if (c < 0x800)
- { *out++ =((c >> 6) & 0x1F) | 0xC0; bits= 0; }
- else if (c < 0x10000)
- { *out++ =((c >> 12) & 0x0F) | 0xE0; bits= 6; }
- else
- { *out++ =((c >> 18) & 0x07) | 0xF0; bits= 12; }
-
- for ( ; bits >= 0; bits-= 6) {
- *out++ = ((c >> bits) & 0x3F) | 0x80;
- }
- NEXT;
- }
- }
- *out = 0;
- return(buffer);
-}
-
-/**
- * htmlParseEntityRef:
- * @ctxt: an HTML parser context
- * @str: location to store the entity name
- *
- * parse an HTML ENTITY references
- *
- * [68] EntityRef ::= '&' Name ';'
- *
- * Returns the associated htmlEntityDescPtr if found, or NULL otherwise,
- * if non-NULL *str will have to be freed by the caller.
- */
-const htmlEntityDesc *
-htmlParseEntityRef(htmlParserCtxtPtr ctxt, const xmlChar **str) {
- const xmlChar *name;
- const htmlEntityDesc * ent = NULL;
-
- if (str != NULL) *str = NULL;
- if ((ctxt == NULL) || (ctxt->input == NULL)) return(NULL);
-
- if (CUR == '&') {
- NEXT;
- name = htmlParseName(ctxt);
- if (name == NULL) {
- htmlParseErr(ctxt, XML_ERR_NAME_REQUIRED,
- "htmlParseEntityRef: no name\n", NULL, NULL);
- } else {
- GROW;
- if (CUR == ';') {
- if (str != NULL)
- *str = name;
-
- /*
- * Lookup the entity in the table.
- */
- ent = htmlEntityLookup(name);
- if (ent != NULL) /* OK that's ugly !!! */
- NEXT;
- } else {
- htmlParseErr(ctxt, XML_ERR_ENTITYREF_SEMICOL_MISSING,
- "htmlParseEntityRef: expecting ';'\n",
- NULL, NULL);
- if (str != NULL)
- *str = name;
- }
- }
- }
- return(ent);
-}
-
-/**
- * htmlParseAttValue:
- * @ctxt: an HTML parser context
- *
- * parse a value for an attribute
- * Note: the parser won't do substitution of entities here, this
- * will be handled later in xmlStringGetNodeList, unless it was
- * asked for ctxt->replaceEntities != 0
- *
- * Returns the AttValue parsed or NULL.
- */
-
-static xmlChar *
-htmlParseAttValue(htmlParserCtxtPtr ctxt) {
- xmlChar *ret = NULL;
-
- if (CUR == '"') {
- NEXT;
- ret = htmlParseHTMLAttribute(ctxt, '"');
- if (CUR != '"') {
- htmlParseErr(ctxt, XML_ERR_ATTRIBUTE_NOT_FINISHED,
- "AttValue: \" expected\n", NULL, NULL);
- } else
- NEXT;
- } else if (CUR == '\'') {
- NEXT;
- ret = htmlParseHTMLAttribute(ctxt, '\'');
- if (CUR != '\'') {
- htmlParseErr(ctxt, XML_ERR_ATTRIBUTE_NOT_FINISHED,
- "AttValue: ' expected\n", NULL, NULL);
- } else
- NEXT;
- } else {
- /*
- * That's an HTMLism, the attribute value may not be quoted
- */
- ret = htmlParseHTMLAttribute(ctxt, 0);
- if (ret == NULL) {
- htmlParseErr(ctxt, XML_ERR_ATTRIBUTE_WITHOUT_VALUE,
- "AttValue: no value found\n", NULL, NULL);
- }
- }
- return(ret);
-}
-
-/**
- * htmlParseSystemLiteral:
- * @ctxt: an HTML parser context
- *
- * parse an HTML Literal
- *
- * [11] SystemLiteral ::= ('"' [^"]* '"') | ("'" [^']* "'")
- *
- * Returns the SystemLiteral parsed or NULL
- */
-
-static xmlChar *
-htmlParseSystemLiteral(htmlParserCtxtPtr ctxt) {
- const xmlChar *q;
- xmlChar *ret = NULL;
-
- if (CUR == '"') {
- NEXT;
- q = CUR_PTR;
- while ((IS_CHAR_CH(CUR)) && (CUR != '"'))
- NEXT;
- if (!IS_CHAR_CH(CUR)) {
- htmlParseErr(ctxt, XML_ERR_LITERAL_NOT_FINISHED,
- "Unfinished SystemLiteral\n", NULL, NULL);
- } else {
- ret = xmlStrndup(q, CUR_PTR - q);
- NEXT;
- }
- } else if (CUR == '\'') {
- NEXT;
- q = CUR_PTR;
- while ((IS_CHAR_CH(CUR)) && (CUR != '\''))
- NEXT;
- if (!IS_CHAR_CH(CUR)) {
- htmlParseErr(ctxt, XML_ERR_LITERAL_NOT_FINISHED,
- "Unfinished SystemLiteral\n", NULL, NULL);
- } else {
- ret = xmlStrndup(q, CUR_PTR - q);
- NEXT;
- }
- } else {
- htmlParseErr(ctxt, XML_ERR_LITERAL_NOT_STARTED,
- " or ' expected\n", NULL, NULL);
- }
-
- return(ret);
-}
-
-/**
- * htmlParsePubidLiteral:
- * @ctxt: an HTML parser context
- *
- * parse an HTML public literal
- *
- * [12] PubidLiteral ::= '"' PubidChar* '"' | "'" (PubidChar - "'")* "'"
- *
- * Returns the PubidLiteral parsed or NULL.
- */
-
-static xmlChar *
-htmlParsePubidLiteral(htmlParserCtxtPtr ctxt) {
- const xmlChar *q;
- xmlChar *ret = NULL;
- /*
- * Name ::= (Letter | '_') (NameChar)*
- */
- if (CUR == '"') {
- NEXT;
- q = CUR_PTR;
- while (IS_PUBIDCHAR_CH(CUR)) NEXT;
- if (CUR != '"') {
- htmlParseErr(ctxt, XML_ERR_LITERAL_NOT_FINISHED,
- "Unfinished PubidLiteral\n", NULL, NULL);
- } else {
- ret = xmlStrndup(q, CUR_PTR - q);
- NEXT;
- }
- } else if (CUR == '\'') {
- NEXT;
- q = CUR_PTR;
- while ((IS_PUBIDCHAR_CH(CUR)) && (CUR != '\''))
- NEXT;
- if (CUR != '\'') {
- htmlParseErr(ctxt, XML_ERR_LITERAL_NOT_FINISHED,
- "Unfinished PubidLiteral\n", NULL, NULL);
- } else {
- ret = xmlStrndup(q, CUR_PTR - q);
- NEXT;
- }
- } else {
- htmlParseErr(ctxt, XML_ERR_LITERAL_NOT_STARTED,
- "PubidLiteral \" or ' expected\n", NULL, NULL);
- }
-
- return(ret);
-}
-
-/**
- * htmlParseScript:
- * @ctxt: an HTML parser context
- *
- * parse the content of an HTML SCRIPT or STYLE element
- * http://www.w3.org/TR/html4/sgml/dtd.html#Script
- * http://www.w3.org/TR/html4/sgml/dtd.html#StyleSheet
- * http://www.w3.org/TR/html4/types.html#type-script
- * http://www.w3.org/TR/html4/types.html#h-6.15
- * http://www.w3.org/TR/html4/appendix/notes.html#h-B.3.2.1
- *
- * Script data ( %Script; in the DTD) can be the content of the SCRIPT
- * element and the value of intrinsic event attributes. User agents must
- * not evaluate script data as HTML markup but instead must pass it on as
- * data to a script engine.
- * NOTES:
- * - The content is passed like CDATA
- * - the attributes for style and scripting "onXXX" are also described
- * as CDATA but SGML allows entities references in attributes so their
- * processing is identical as other attributes
- */
-static void
-htmlParseScript(htmlParserCtxtPtr ctxt) {
- xmlChar buf[HTML_PARSER_BIG_BUFFER_SIZE + 5];
- int nbchar = 0;
- int cur,l;
-
- SHRINK;
- cur = CUR_CHAR(l);
- while (IS_CHAR_CH(cur)) {
- if ((cur == '<') && (NXT(1) == '/')) {
- /*
- * One should break here, the specification is clear:
- * Authors should therefore escape "</" within the content.
- * Escape mechanisms are specific to each scripting or
- * style sheet language.
- *
- * In recovery mode, only break if end tag match the
- * current tag, effectively ignoring all tags inside the
- * script/style block and treating the entire block as
- * CDATA.
- */
- if (ctxt->recovery) {
- if (xmlStrncasecmp(ctxt->name, ctxt->input->cur+2,
- xmlStrlen(ctxt->name)) == 0)
- {
- break; /* while */
- } else {
- htmlParseErr(ctxt, XML_ERR_TAG_NAME_MISMATCH,
- "Element %s embeds close tag\n",
- ctxt->name, NULL);
- }
- } else {
- if (((NXT(2) >= 'A') && (NXT(2) <= 'Z')) ||
- ((NXT(2) >= 'a') && (NXT(2) <= 'z')))
- {
- break; /* while */
- }
- }
- }
- COPY_BUF(l,buf,nbchar,cur);
- if (nbchar >= HTML_PARSER_BIG_BUFFER_SIZE) {
- if (ctxt->sax->cdataBlock!= NULL) {
- /*
- * Insert as CDATA, which is the same as HTML_PRESERVE_NODE
- */
- ctxt->sax->cdataBlock(ctxt->userData, buf, nbchar);
- } else if (ctxt->sax->characters != NULL) {
- ctxt->sax->characters(ctxt->userData, buf, nbchar);
- }
- nbchar = 0;
- }
- GROW;
- NEXTL(l);
- cur = CUR_CHAR(l);
- }
-
- if ((!(IS_CHAR_CH(cur))) && (!((cur == 0) && (ctxt->progressive)))) {
- htmlParseErrInt(ctxt, XML_ERR_INVALID_CHAR,
- "Invalid char in CDATA 0x%X\n", cur);
- if (ctxt->input->cur < ctxt->input->end) {
- NEXT;
- }
- }
-
- if ((nbchar != 0) && (ctxt->sax != NULL) && (!ctxt->disableSAX)) {
- if (ctxt->sax->cdataBlock!= NULL) {
- /*
- * Insert as CDATA, which is the same as HTML_PRESERVE_NODE
- */
- ctxt->sax->cdataBlock(ctxt->userData, buf, nbchar);
- } else if (ctxt->sax->characters != NULL) {
- ctxt->sax->characters(ctxt->userData, buf, nbchar);
- }
- }
-}
-
-
-/**
- * htmlParseCharDataInternal:
- * @ctxt: an HTML parser context
- * @readahead: optional read ahead character in ascii range
- *
- * parse a CharData section.
- * if we are within a CDATA section ']]>' marks an end of section.
- *
- * [14] CharData ::= [^<&]* - ([^<&]* ']]>' [^<&]*)
- */
-
-static void
-htmlParseCharDataInternal(htmlParserCtxtPtr ctxt, int readahead) {
- xmlChar buf[HTML_PARSER_BIG_BUFFER_SIZE + 6];
- int nbchar = 0;
- int cur, l;
- int chunk = 0;
-
- if (readahead)
- buf[nbchar++] = readahead;
-
- SHRINK;
- cur = CUR_CHAR(l);
- while (((cur != '<') || (ctxt->token == '<')) &&
- ((cur != '&') || (ctxt->token == '&')) &&
- (cur != 0)) {
- if (!(IS_CHAR(cur))) {
- htmlParseErrInt(ctxt, XML_ERR_INVALID_CHAR,
- "Invalid char in CDATA 0x%X\n", cur);
- } else {
- COPY_BUF(l,buf,nbchar,cur);
- }
- if (nbchar >= HTML_PARSER_BIG_BUFFER_SIZE) {
- /*
- * Ok the segment is to be consumed as chars.
- */
- if ((ctxt->sax != NULL) && (!ctxt->disableSAX)) {
- if (areBlanks(ctxt, buf, nbchar)) {
- if (ctxt->keepBlanks) {
- if (ctxt->sax->characters != NULL)
- ctxt->sax->characters(ctxt->userData, buf, nbchar);
- } else {
- if (ctxt->sax->ignorableWhitespace != NULL)
- ctxt->sax->ignorableWhitespace(ctxt->userData,
- buf, nbchar);
- }
- } else {
- htmlCheckParagraph(ctxt);
- if (ctxt->sax->characters != NULL)
- ctxt->sax->characters(ctxt->userData, buf, nbchar);
- }
- }
- nbchar = 0;
- }
- NEXTL(l);
- chunk++;
- if (chunk > HTML_PARSER_BUFFER_SIZE) {
- chunk = 0;
- SHRINK;
- GROW;
- }
- cur = CUR_CHAR(l);
- if (cur == 0) {
- SHRINK;
- GROW;
- cur = CUR_CHAR(l);
- }
- }
- if (nbchar != 0) {
- buf[nbchar] = 0;
-
- /*
- * Ok the segment is to be consumed as chars.
- */
- if ((ctxt->sax != NULL) && (!ctxt->disableSAX)) {
- if (areBlanks(ctxt, buf, nbchar)) {
- if (ctxt->keepBlanks) {
- if (ctxt->sax->characters != NULL)
- ctxt->sax->characters(ctxt->userData, buf, nbchar);
- } else {
- if (ctxt->sax->ignorableWhitespace != NULL)
- ctxt->sax->ignorableWhitespace(ctxt->userData,
- buf, nbchar);
- }
- } else {
- htmlCheckParagraph(ctxt);
- if (ctxt->sax->characters != NULL)
- ctxt->sax->characters(ctxt->userData, buf, nbchar);
- }
- }
- } else {
- /*
- * Loop detection
- */
- if (cur == 0)
- ctxt->instate = XML_PARSER_EOF;
- }
-}
-
-/**
- * htmlParseCharData:
- * @ctxt: an HTML parser context
- *
- * parse a CharData section.
- * if we are within a CDATA section ']]>' marks an end of section.
- *
- * [14] CharData ::= [^<&]* - ([^<&]* ']]>' [^<&]*)
- */
-
-static void
-htmlParseCharData(htmlParserCtxtPtr ctxt) {
- htmlParseCharDataInternal(ctxt, 0);
-}
-
-/**
- * htmlParseExternalID:
- * @ctxt: an HTML parser context
- * @publicID: a xmlChar** receiving PubidLiteral
- *
- * Parse an External ID or a Public ID
- *
- * [75] ExternalID ::= 'SYSTEM' S SystemLiteral
- * | 'PUBLIC' S PubidLiteral S SystemLiteral
- *
- * [83] PublicID ::= 'PUBLIC' S PubidLiteral
- *
- * Returns the function returns SystemLiteral and in the second
- * case publicID receives PubidLiteral, is strict is off
- * it is possible to return NULL and have publicID set.
- */
-
-static xmlChar *
-htmlParseExternalID(htmlParserCtxtPtr ctxt, xmlChar **publicID) {
- xmlChar *URI = NULL;
-
- if ((UPPER == 'S') && (UPP(1) == 'Y') &&
- (UPP(2) == 'S') && (UPP(3) == 'T') &&
- (UPP(4) == 'E') && (UPP(5) == 'M')) {
- SKIP(6);
- if (!IS_BLANK_CH(CUR)) {
- htmlParseErr(ctxt, XML_ERR_SPACE_REQUIRED,
- "Space required after 'SYSTEM'\n", NULL, NULL);
- }
- SKIP_BLANKS;
- URI = htmlParseSystemLiteral(ctxt);
- if (URI == NULL) {
- htmlParseErr(ctxt, XML_ERR_URI_REQUIRED,
- "htmlParseExternalID: SYSTEM, no URI\n", NULL, NULL);
- }
- } else if ((UPPER == 'P') && (UPP(1) == 'U') &&
- (UPP(2) == 'B') && (UPP(3) == 'L') &&
- (UPP(4) == 'I') && (UPP(5) == 'C')) {
- SKIP(6);
- if (!IS_BLANK_CH(CUR)) {
- htmlParseErr(ctxt, XML_ERR_SPACE_REQUIRED,
- "Space required after 'PUBLIC'\n", NULL, NULL);
- }
- SKIP_BLANKS;
- *publicID = htmlParsePubidLiteral(ctxt);
- if (*publicID == NULL) {
- htmlParseErr(ctxt, XML_ERR_PUBID_REQUIRED,
- "htmlParseExternalID: PUBLIC, no Public Identifier\n",
- NULL, NULL);
- }
- SKIP_BLANKS;
- if ((CUR == '"') || (CUR == '\'')) {
- URI = htmlParseSystemLiteral(ctxt);
- }
- }
- return(URI);
-}
-
-/**
- * xmlParsePI:
- * @ctxt: an XML parser context
- *
- * parse an XML Processing Instruction.
- *
- * [16] PI ::= '<?' PITarget (S (Char* - (Char* '?>' Char*)))? '?>'
- */
-static void
-htmlParsePI(htmlParserCtxtPtr ctxt) {
- xmlChar *buf = NULL;
- int len = 0;
- int size = HTML_PARSER_BUFFER_SIZE;
- int cur, l;
- const xmlChar *target;
- xmlParserInputState state;
- int count = 0;
-
- if ((RAW == '<') && (NXT(1) == '?')) {
- state = ctxt->instate;
- ctxt->instate = XML_PARSER_PI;
- /*
- * this is a Processing Instruction.
- */
- SKIP(2);
- SHRINK;
-
- /*
- * Parse the target name and check for special support like
- * namespace.
- */
- target = htmlParseName(ctxt);
- if (target != NULL) {
- if (RAW == '>') {
- SKIP(1);
-
- /*
- * SAX: PI detected.
- */
- if ((ctxt->sax) && (!ctxt->disableSAX) &&
- (ctxt->sax->processingInstruction != NULL))
- ctxt->sax->processingInstruction(ctxt->userData,
- target, NULL);
- ctxt->instate = state;
- return;
- }
- buf = (xmlChar *) xmlMallocAtomic(size * sizeof(xmlChar));
- if (buf == NULL) {
- htmlErrMemory(ctxt, NULL);
- ctxt->instate = state;
- return;
- }
- cur = CUR;
- if (!IS_BLANK(cur)) {
- htmlParseErr(ctxt, XML_ERR_SPACE_REQUIRED,
- "ParsePI: PI %s space expected\n", target, NULL);
- }
- SKIP_BLANKS;
- cur = CUR_CHAR(l);
- while (IS_CHAR(cur) && (cur != '>')) {
- if (len + 5 >= size) {
- xmlChar *tmp;
-
- size *= 2;
- tmp = (xmlChar *) xmlRealloc(buf, size * sizeof(xmlChar));
- if (tmp == NULL) {
- htmlErrMemory(ctxt, NULL);
- xmlFree(buf);
- ctxt->instate = state;
- return;
- }
- buf = tmp;
- }
- count++;
- if (count > 50) {
- GROW;
- count = 0;
- }
- COPY_BUF(l,buf,len,cur);
- NEXTL(l);
- cur = CUR_CHAR(l);
- if (cur == 0) {
- SHRINK;
- GROW;
- cur = CUR_CHAR(l);
- }
- }
- buf[len] = 0;
- if (cur != '>') {
- htmlParseErr(ctxt, XML_ERR_PI_NOT_FINISHED,
- "ParsePI: PI %s never end ...\n", target, NULL);
- } else {
- SKIP(1);
-
- /*
- * SAX: PI detected.
- */
- if ((ctxt->sax) && (!ctxt->disableSAX) &&
- (ctxt->sax->processingInstruction != NULL))
- ctxt->sax->processingInstruction(ctxt->userData,
- target, buf);
- }
- xmlFree(buf);
- } else {
- htmlParseErr(ctxt, XML_ERR_PI_NOT_STARTED,
- "PI is not started correctly", NULL, NULL);
- }
- ctxt->instate = state;
- }
-}
-
-/**
- * htmlParseComment:
- * @ctxt: an HTML parser context
- *
- * Parse an XML (SGML) comment <!-- .... -->
- *
- * [15] Comment ::= '<!--' ((Char - '-') | ('-' (Char - '-')))* '-->'
- */
-static void
-htmlParseComment(htmlParserCtxtPtr ctxt) {
- xmlChar *buf = NULL;
- int len;
- int size = HTML_PARSER_BUFFER_SIZE;
- int q, ql;
- int r, rl;
- int cur, l;
- xmlParserInputState state;
-
- /*
- * Check that there is a comment right here.
- */
- if ((RAW != '<') || (NXT(1) != '!') ||
- (NXT(2) != '-') || (NXT(3) != '-')) return;
-
- state = ctxt->instate;
- ctxt->instate = XML_PARSER_COMMENT;
- SHRINK;
- SKIP(4);
- buf = (xmlChar *) xmlMallocAtomic(size * sizeof(xmlChar));
- if (buf == NULL) {
- htmlErrMemory(ctxt, "buffer allocation failed\n");
- ctxt->instate = state;
- return;
- }
- len = 0;
- buf[len] = 0;
- q = CUR_CHAR(ql);
- if (!IS_CHAR(q))
- goto unfinished;
- NEXTL(ql);
- r = CUR_CHAR(rl);
- if (!IS_CHAR(r))
- goto unfinished;
- NEXTL(rl);
- cur = CUR_CHAR(l);
- while (IS_CHAR(cur) &&
- ((cur != '>') ||
- (r != '-') || (q != '-'))) {
- if (len + 5 >= size) {
- xmlChar *tmp;
-
- size *= 2;
- tmp = (xmlChar *) xmlRealloc(buf, size * sizeof(xmlChar));
- if (tmp == NULL) {
- xmlFree(buf);
- htmlErrMemory(ctxt, "growing buffer failed\n");
- ctxt->instate = state;
- return;
- }
- buf = tmp;
- }
- COPY_BUF(ql,buf,len,q);
- q = r;
- ql = rl;
- r = cur;
- rl = l;
- NEXTL(l);
- cur = CUR_CHAR(l);
- if (cur == 0) {
- SHRINK;
- GROW;
- cur = CUR_CHAR(l);
- }
- }
- buf[len] = 0;
- if (IS_CHAR(cur)) {
- NEXT;
- if ((ctxt->sax != NULL) && (ctxt->sax->comment != NULL) &&
- (!ctxt->disableSAX))
- ctxt->sax->comment(ctxt->userData, buf);
- xmlFree(buf);
- ctxt->instate = state;
- return;
- }
-
-unfinished:
- htmlParseErr(ctxt, XML_ERR_COMMENT_NOT_FINISHED,
- "Comment not terminated \n<!--%.50s\n", buf, NULL);
- xmlFree(buf);
-}
-
-/**
- * htmlParseCharRef:
- * @ctxt: an HTML parser context
- *
- * parse Reference declarations
- *
- * [66] CharRef ::= '&#' [0-9]+ ';' |
- * '&#x' [0-9a-fA-F]+ ';'
- *
- * Returns the value parsed (as an int)
- */
-int
-htmlParseCharRef(htmlParserCtxtPtr ctxt) {
- int val = 0;
-
- if ((ctxt == NULL) || (ctxt->input == NULL)) {
- htmlParseErr(ctxt, XML_ERR_INTERNAL_ERROR,
- "htmlParseCharRef: context error\n",
- NULL, NULL);
- return(0);
- }
- if ((CUR == '&') && (NXT(1) == '#') &&
- ((NXT(2) == 'x') || NXT(2) == 'X')) {
- SKIP(3);
- while (CUR != ';') {
- if ((CUR >= '0') && (CUR <= '9'))
- val = val * 16 + (CUR - '0');
- else if ((CUR >= 'a') && (CUR <= 'f'))
- val = val * 16 + (CUR - 'a') + 10;
- else if ((CUR >= 'A') && (CUR <= 'F'))
- val = val * 16 + (CUR - 'A') + 10;
- else {
- htmlParseErr(ctxt, XML_ERR_INVALID_HEX_CHARREF,
- "htmlParseCharRef: missing semicolon\n",
- NULL, NULL);
- break;
- }
- NEXT;
- }
- if (CUR == ';')
- NEXT;
- } else if ((CUR == '&') && (NXT(1) == '#')) {
- SKIP(2);
- while (CUR != ';') {
- if ((CUR >= '0') && (CUR <= '9'))
- val = val * 10 + (CUR - '0');
- else {
- htmlParseErr(ctxt, XML_ERR_INVALID_DEC_CHARREF,
- "htmlParseCharRef: missing semicolon\n",
- NULL, NULL);
- break;
- }
- NEXT;
- }
- if (CUR == ';')
- NEXT;
- } else {
- htmlParseErr(ctxt, XML_ERR_INVALID_CHARREF,
- "htmlParseCharRef: invalid value\n", NULL, NULL);
- }
- /*
- * Check the value IS_CHAR ...
- */
- if (IS_CHAR(val)) {
- return(val);
- } else {
- htmlParseErrInt(ctxt, XML_ERR_INVALID_CHAR,
- "htmlParseCharRef: invalid xmlChar value %d\n",
- val);
- }
- return(0);
-}
-
-
-/**
- * htmlParseDocTypeDecl:
- * @ctxt: an HTML parser context
- *
- * parse a DOCTYPE declaration
- *
- * [28] doctypedecl ::= '<!DOCTYPE' S Name (S ExternalID)? S?
- * ('[' (markupdecl | PEReference | S)* ']' S?)? '>'
- */
-
-static void
-htmlParseDocTypeDecl(htmlParserCtxtPtr ctxt) {
- const xmlChar *name;
- xmlChar *ExternalID = NULL;
- xmlChar *URI = NULL;
-
- /*
- * We know that '<!DOCTYPE' has been detected.
- */
- SKIP(9);
-
- SKIP_BLANKS;
-
- /*
- * Parse the DOCTYPE name.
- */
- name = htmlParseName(ctxt);
- if (name == NULL) {
- htmlParseErr(ctxt, XML_ERR_NAME_REQUIRED,
- "htmlParseDocTypeDecl : no DOCTYPE name !\n",
- NULL, NULL);
- }
- /*
- * Check that upper(name) == "HTML" !!!!!!!!!!!!!
- */
-
- SKIP_BLANKS;
-
- /*
- * Check for SystemID and ExternalID
- */
- URI = htmlParseExternalID(ctxt, &ExternalID);
- SKIP_BLANKS;
-
- /*
- * We should be at the end of the DOCTYPE declaration.
- */
- if (CUR != '>') {
- htmlParseErr(ctxt, XML_ERR_DOCTYPE_NOT_FINISHED,
- "DOCTYPE improperly terminated\n", NULL, NULL);
- /* We shouldn't try to resynchronize ... */
- }
- NEXT;
-
- /*
- * Create or update the document accordingly to the DOCTYPE
- */
- if ((ctxt->sax != NULL) && (ctxt->sax->internalSubset != NULL) &&
- (!ctxt->disableSAX))
- ctxt->sax->internalSubset(ctxt->userData, name, ExternalID, URI);
-
- /*
- * Cleanup, since we don't use all those identifiers
- */
- if (URI != NULL) xmlFree(URI);
- if (ExternalID != NULL) xmlFree(ExternalID);
-}
-
-/**
- * htmlParseAttribute:
- * @ctxt: an HTML parser context
- * @value: a xmlChar ** used to store the value of the attribute
- *
- * parse an attribute
- *
- * [41] Attribute ::= Name Eq AttValue
- *
- * [25] Eq ::= S? '=' S?
- *
- * With namespace:
- *
- * [NS 11] Attribute ::= QName Eq AttValue
- *
- * Also the case QName == xmlns:??? is handled independently as a namespace
- * definition.
- *
- * Returns the attribute name, and the value in *value.
- */
-
-static const xmlChar *
-htmlParseAttribute(htmlParserCtxtPtr ctxt, xmlChar **value) {
- const xmlChar *name;
- xmlChar *val = NULL;
-
- *value = NULL;
- name = htmlParseHTMLName(ctxt);
- if (name == NULL) {
- htmlParseErr(ctxt, XML_ERR_NAME_REQUIRED,
- "error parsing attribute name\n", NULL, NULL);
- return(NULL);
- }
-
- /*
- * read the value
- */
- SKIP_BLANKS;
- if (CUR == '=') {
- NEXT;
- SKIP_BLANKS;
- val = htmlParseAttValue(ctxt);
- }
-
- *value = val;
- return(name);
-}
-
-/**
- * htmlCheckEncodingDirect:
- * @ctxt: an HTML parser context
- * @attvalue: the attribute value
- *
- * Checks an attribute value to detect
- * the encoding
- * If a new encoding is detected the parser is switched to decode
- * it and pass UTF8
- */
-static void
-htmlCheckEncodingDirect(htmlParserCtxtPtr ctxt, const xmlChar *encoding) {
-
- if ((ctxt == NULL) || (encoding == NULL) ||
- (ctxt->options & HTML_PARSE_IGNORE_ENC))
- return;
-
- /* do not change encoding */
- if (ctxt->input->encoding != NULL)
- return;
-
- if (encoding != NULL) {
- xmlCharEncoding enc;
- xmlCharEncodingHandlerPtr handler;
-
- while ((*encoding == ' ') || (*encoding == '\t')) encoding++;
-
- if (ctxt->input->encoding != NULL)
- xmlFree((xmlChar *) ctxt->input->encoding);
- ctxt->input->encoding = xmlStrdup(encoding);
-
- enc = xmlParseCharEncoding((const char *) encoding);
- /*
- * registered set of known encodings
- */
- if (enc != XML_CHAR_ENCODING_ERROR) {
- if (((enc == XML_CHAR_ENCODING_UTF16LE) ||
- (enc == XML_CHAR_ENCODING_UTF16BE) ||
- (enc == XML_CHAR_ENCODING_UCS4LE) ||
- (enc == XML_CHAR_ENCODING_UCS4BE)) &&
- (ctxt->input->buf != NULL) &&
- (ctxt->input->buf->encoder == NULL)) {
- htmlParseErr(ctxt, XML_ERR_INVALID_ENCODING,
- "htmlCheckEncoding: wrong encoding meta\n",
- NULL, NULL);
- } else {
- xmlSwitchEncoding(ctxt, enc);
- }
- ctxt->charset = XML_CHAR_ENCODING_UTF8;
- } else {
- /*
- * fallback for unknown encodings
- */
- handler = xmlFindCharEncodingHandler((const char *) encoding);
- if (handler != NULL) {
- xmlSwitchToEncoding(ctxt, handler);
- ctxt->charset = XML_CHAR_ENCODING_UTF8;
- } else {
- htmlParseErr(ctxt, XML_ERR_UNSUPPORTED_ENCODING,
- "htmlCheckEncoding: unknown encoding %s\n",
- encoding, NULL);
- }
- }
-
- if ((ctxt->input->buf != NULL) &&
- (ctxt->input->buf->encoder != NULL) &&
- (ctxt->input->buf->raw != NULL) &&
- (ctxt->input->buf->buffer != NULL)) {
- int nbchars;
- int processed;
-
- /*
- * convert as much as possible to the parser reading buffer.
- */
- processed = ctxt->input->cur - ctxt->input->base;
- xmlBufShrink(ctxt->input->buf->buffer, processed);
- nbchars = xmlCharEncInput(ctxt->input->buf, 1);
- if (nbchars < 0) {
- htmlParseErr(ctxt, XML_ERR_INVALID_ENCODING,
- "htmlCheckEncoding: encoder error\n",
- NULL, NULL);
- }
- xmlBufResetInput(ctxt->input->buf->buffer, ctxt->input);
- }
- }
-}
-
-/**
- * htmlCheckEncoding:
- * @ctxt: an HTML parser context
- * @attvalue: the attribute value
- *
- * Checks an http-equiv attribute from a Meta tag to detect
- * the encoding
- * If a new encoding is detected the parser is switched to decode
- * it and pass UTF8
- */
-static void
-htmlCheckEncoding(htmlParserCtxtPtr ctxt, const xmlChar *attvalue) {
- const xmlChar *encoding;
-
- if (!attvalue)
- return;
-
- encoding = xmlStrcasestr(attvalue, BAD_CAST"charset");
- if (encoding != NULL) {
- encoding += 7;
- }
- /*
- * skip blank
- */
- if (encoding && IS_BLANK_CH(*encoding))
- encoding = xmlStrcasestr(attvalue, BAD_CAST"=");
- if (encoding && *encoding == '=') {
- encoding ++;
- htmlCheckEncodingDirect(ctxt, encoding);
- }
-}
-
-/**
- * htmlCheckMeta:
- * @ctxt: an HTML parser context
- * @atts: the attributes values
- *
- * Checks an attributes from a Meta tag
- */
-static void
-htmlCheckMeta(htmlParserCtxtPtr ctxt, const xmlChar **atts) {
- int i;
- const xmlChar *att, *value;
- int http = 0;
- const xmlChar *content = NULL;
-
- if ((ctxt == NULL) || (atts == NULL))
- return;
-
- i = 0;
- att = atts[i++];
- while (att != NULL) {
- value = atts[i++];
- if ((value != NULL) && (!xmlStrcasecmp(att, BAD_CAST"http-equiv"))
- && (!xmlStrcasecmp(value, BAD_CAST"Content-Type")))
- http = 1;
- else if ((value != NULL) && (!xmlStrcasecmp(att, BAD_CAST"charset")))
- htmlCheckEncodingDirect(ctxt, value);
- else if ((value != NULL) && (!xmlStrcasecmp(att, BAD_CAST"content")))
- content = value;
- att = atts[i++];
- }
- if ((http) && (content != NULL))
- htmlCheckEncoding(ctxt, content);
-
-}
-
-/**
- * htmlParseStartTag:
- * @ctxt: an HTML parser context
- *
- * parse a start of tag either for rule element or
- * EmptyElement. In both case we don't parse the tag closing chars.
- *
- * [40] STag ::= '<' Name (S Attribute)* S? '>'
- *
- * [44] EmptyElemTag ::= '<' Name (S Attribute)* S? '/>'
- *
- * With namespace:
- *
- * [NS 8] STag ::= '<' QName (S Attribute)* S? '>'
- *
- * [NS 10] EmptyElement ::= '<' QName (S Attribute)* S? '/>'
- *
- * Returns 0 in case of success, -1 in case of error and 1 if discarded
- */
-
-static int
-htmlParseStartTag(htmlParserCtxtPtr ctxt) {
- const xmlChar *name;
- const xmlChar *attname;
- xmlChar *attvalue;
- const xmlChar **atts;
- int nbatts = 0;
- int maxatts;
- int meta = 0;
- int i;
- int discardtag = 0;
-
- if ((ctxt == NULL) || (ctxt->input == NULL)) {
- htmlParseErr(ctxt, XML_ERR_INTERNAL_ERROR,
- "htmlParseStartTag: context error\n", NULL, NULL);
- return -1;
- }
- if (ctxt->instate == XML_PARSER_EOF)
- return(-1);
- if (CUR != '<') return -1;
- NEXT;
-
- atts = ctxt->atts;
- maxatts = ctxt->maxatts;
-
- GROW;
- name = htmlParseHTMLName(ctxt);
- if (name == NULL) {
- htmlParseErr(ctxt, XML_ERR_NAME_REQUIRED,
- "htmlParseStartTag: invalid element name\n",
- NULL, NULL);
- /* if recover preserve text on classic misconstructs */
- if ((ctxt->recovery) && ((IS_BLANK_CH(CUR)) || (CUR == '<') ||
- (CUR == '=') || (CUR == '>') || (((CUR >= '0') && (CUR <= '9'))))) {
- htmlParseCharDataInternal(ctxt, '<');
- return(-1);
- }
-
-
- /* Dump the bogus tag like browsers do */
- while ((IS_CHAR_CH(CUR)) && (CUR != '>') &&
- (ctxt->instate != XML_PARSER_EOF))
- NEXT;
- return -1;
- }
- if (xmlStrEqual(name, BAD_CAST"meta"))
- meta = 1;
-
- /*
- * Check for auto-closure of HTML elements.
- */
- htmlAutoClose(ctxt, name);
-
- /*
- * Check for implied HTML elements.
- */
- htmlCheckImplied(ctxt, name);
-
- /*
- * Avoid html at any level > 0, head at any level != 1
- * or any attempt to recurse body
- */
- if ((ctxt->nameNr > 0) && (xmlStrEqual(name, BAD_CAST"html"))) {
- htmlParseErr(ctxt, XML_HTML_STRUCURE_ERROR,
- "htmlParseStartTag: misplaced <html> tag\n",
- name, NULL);
- discardtag = 1;
- ctxt->depth++;
- }
- if ((ctxt->nameNr != 1) &&
- (xmlStrEqual(name, BAD_CAST"head"))) {
- htmlParseErr(ctxt, XML_HTML_STRUCURE_ERROR,
- "htmlParseStartTag: misplaced <head> tag\n",
- name, NULL);
- discardtag = 1;
- ctxt->depth++;
- }
- if (xmlStrEqual(name, BAD_CAST"body")) {
- int indx;
- for (indx = 0;indx < ctxt->nameNr;indx++) {
- if (xmlStrEqual(ctxt->nameTab[indx], BAD_CAST"body")) {
- htmlParseErr(ctxt, XML_HTML_STRUCURE_ERROR,
- "htmlParseStartTag: misplaced <body> tag\n",
- name, NULL);
- discardtag = 1;
- ctxt->depth++;
- }
- }
- }
-
- /*
- * Now parse the attributes, it ends up with the ending
- *
- * (S Attribute)* S?
- */
- SKIP_BLANKS;
- while ((IS_CHAR_CH(CUR)) &&
- (CUR != '>') &&
- ((CUR != '/') || (NXT(1) != '>'))) {
- long cons = ctxt->nbChars;
-
- GROW;
- attname = htmlParseAttribute(ctxt, &attvalue);
- if (attname != NULL) {
-
- /*
- * Well formedness requires at most one declaration of an attribute
- */
- for (i = 0; i < nbatts;i += 2) {
- if (xmlStrEqual(atts[i], attname)) {
- htmlParseErr(ctxt, XML_ERR_ATTRIBUTE_REDEFINED,
- "Attribute %s redefined\n", attname, NULL);
- if (attvalue != NULL)
- xmlFree(attvalue);
- goto failed;
- }
- }
-
- /*
- * Add the pair to atts
- */
- if (atts == NULL) {
- maxatts = 22; /* allow for 10 attrs by default */
- atts = (const xmlChar **)
- xmlMalloc(maxatts * sizeof(xmlChar *));
- if (atts == NULL) {
- htmlErrMemory(ctxt, NULL);
- if (attvalue != NULL)
- xmlFree(attvalue);
- goto failed;
- }
- ctxt->atts = atts;
- ctxt->maxatts = maxatts;
- } else if (nbatts + 4 > maxatts) {
- const xmlChar **n;
-
- maxatts *= 2;
- n = (const xmlChar **) xmlRealloc((void *) atts,
- maxatts * sizeof(const xmlChar *));
- if (n == NULL) {
- htmlErrMemory(ctxt, NULL);
- if (attvalue != NULL)
- xmlFree(attvalue);
- goto failed;
- }
- atts = n;
- ctxt->atts = atts;
- ctxt->maxatts = maxatts;
- }
- atts[nbatts++] = attname;
- atts[nbatts++] = attvalue;
- atts[nbatts] = NULL;
- atts[nbatts + 1] = NULL;
- }
- else {
- if (attvalue != NULL)
- xmlFree(attvalue);
- /* Dump the bogus attribute string up to the next blank or
- * the end of the tag. */
- while ((IS_CHAR_CH(CUR)) &&
- !(IS_BLANK_CH(CUR)) && (CUR != '>') &&
- ((CUR != '/') || (NXT(1) != '>')))
- NEXT;
- }
-
-failed:
- SKIP_BLANKS;
- if (cons == ctxt->nbChars) {
- htmlParseErr(ctxt, XML_ERR_INTERNAL_ERROR,
- "htmlParseStartTag: problem parsing attributes\n",
- NULL, NULL);
- break;
- }
- }
-
- /*
- * Handle specific association to the META tag
- */
- if (meta && (nbatts != 0))
- htmlCheckMeta(ctxt, atts);
-
- /*
- * SAX: Start of Element !
- */
- if (!discardtag) {
- htmlnamePush(ctxt, name);
- if ((ctxt->sax != NULL) && (ctxt->sax->startElement != NULL)) {
- if (nbatts != 0)
- ctxt->sax->startElement(ctxt->userData, name, atts);
- else
- ctxt->sax->startElement(ctxt->userData, name, NULL);
- }
- }
-
- if (atts != NULL) {
- for (i = 1;i < nbatts;i += 2) {
- if (atts[i] != NULL)
- xmlFree((xmlChar *) atts[i]);
- }
- }
-
- return(discardtag);
-}
-
-/**
- * htmlParseEndTag:
- * @ctxt: an HTML parser context
- *
- * parse an end of tag
- *
- * [42] ETag ::= '</' Name S? '>'
- *
- * With namespace
- *
- * [NS 9] ETag ::= '</' QName S? '>'
- *
- * Returns 1 if the current level should be closed.
- */
-
-static int
-htmlParseEndTag(htmlParserCtxtPtr ctxt)
-{
- const xmlChar *name;
- const xmlChar *oldname;
- int i, ret;
-
- if ((CUR != '<') || (NXT(1) != '/')) {
- htmlParseErr(ctxt, XML_ERR_LTSLASH_REQUIRED,
- "htmlParseEndTag: '</' not found\n", NULL, NULL);
- return (0);
- }
- SKIP(2);
-
- name = htmlParseHTMLName(ctxt);
- if (name == NULL)
- return (0);
- /*
- * We should definitely be at the ending "S? '>'" part
- */
- SKIP_BLANKS;
- if ((!IS_CHAR_CH(CUR)) || (CUR != '>')) {
- htmlParseErr(ctxt, XML_ERR_GT_REQUIRED,
- "End tag : expected '>'\n", NULL, NULL);
- if (ctxt->recovery) {
- /*
- * We're not at the ending > !!
- * Error, unless in recover mode where we search forwards
- * until we find a >
- */
- while (CUR != '\0' && CUR != '>') NEXT;
- NEXT;
- }
- } else
- NEXT;
-
- /*
- * if we ignored misplaced tags in htmlParseStartTag don't pop them
- * out now.
- */
- if ((ctxt->depth > 0) &&
- (xmlStrEqual(name, BAD_CAST "html") ||
- xmlStrEqual(name, BAD_CAST "body") ||
- xmlStrEqual(name, BAD_CAST "head"))) {
- ctxt->depth--;
- return (0);
- }
-
- /*
- * If the name read is not one of the element in the parsing stack
- * then return, it's just an error.
- */
- for (i = (ctxt->nameNr - 1); i >= 0; i--) {
- if (xmlStrEqual(name, ctxt->nameTab[i]))
- break;
- }
- if (i < 0) {
- htmlParseErr(ctxt, XML_ERR_TAG_NAME_MISMATCH,
- "Unexpected end tag : %s\n", name, NULL);
- return (0);
- }
-
-
- /*
- * Check for auto-closure of HTML elements.
- */
-
- htmlAutoCloseOnClose(ctxt, name);
-
- /*
- * Well formedness constraints, opening and closing must match.
- * With the exception that the autoclose may have popped stuff out
- * of the stack.
- */
- if (!xmlStrEqual(name, ctxt->name)) {
- if ((ctxt->name != NULL) && (!xmlStrEqual(ctxt->name, name))) {
- htmlParseErr(ctxt, XML_ERR_TAG_NAME_MISMATCH,
- "Opening and ending tag mismatch: %s and %s\n",
- name, ctxt->name);
- }
- }
-
- /*
- * SAX: End of Tag
- */
- oldname = ctxt->name;
- if ((oldname != NULL) && (xmlStrEqual(oldname, name))) {
- if ((ctxt->sax != NULL) && (ctxt->sax->endElement != NULL))
- ctxt->sax->endElement(ctxt->userData, name);
- htmlNodeInfoPop(ctxt);
- htmlnamePop(ctxt);
- ret = 1;
- } else {
- ret = 0;
- }
-
- return (ret);
-}
-
-
-/**
- * htmlParseReference:
- * @ctxt: an HTML parser context
- *
- * parse and handle entity references in content,
- * this will end-up in a call to character() since this is either a
- * CharRef, or a predefined entity.
- */
-static void
-htmlParseReference(htmlParserCtxtPtr ctxt) {
- const htmlEntityDesc * ent;
- xmlChar out[6];
- const xmlChar *name;
- if (CUR != '&') return;
-
- if (NXT(1) == '#') {
- unsigned int c;
- int bits, i = 0;
-
- c = htmlParseCharRef(ctxt);
- if (c == 0)
- return;
-
- if (c < 0x80) { out[i++]= c; bits= -6; }
- else if (c < 0x800) { out[i++]=((c >> 6) & 0x1F) | 0xC0; bits= 0; }
- else if (c < 0x10000) { out[i++]=((c >> 12) & 0x0F) | 0xE0; bits= 6; }
- else { out[i++]=((c >> 18) & 0x07) | 0xF0; bits= 12; }
-
- for ( ; bits >= 0; bits-= 6) {
- out[i++]= ((c >> bits) & 0x3F) | 0x80;
- }
- out[i] = 0;
-
- htmlCheckParagraph(ctxt);
- if ((ctxt->sax != NULL) && (ctxt->sax->characters != NULL))
- ctxt->sax->characters(ctxt->userData, out, i);
- } else {
- ent = htmlParseEntityRef(ctxt, &name);
- if (name == NULL) {
- htmlCheckParagraph(ctxt);
- if ((ctxt->sax != NULL) && (ctxt->sax->characters != NULL))
- ctxt->sax->characters(ctxt->userData, BAD_CAST "&", 1);
- return;
- }
- if ((ent == NULL) || !(ent->value > 0)) {
- htmlCheckParagraph(ctxt);
- if ((ctxt->sax != NULL) && (ctxt->sax->characters != NULL)) {
- ctxt->sax->characters(ctxt->userData, BAD_CAST "&", 1);
- ctxt->sax->characters(ctxt->userData, name, xmlStrlen(name));
- /* ctxt->sax->characters(ctxt->userData, BAD_CAST ";", 1); */
- }
- } else {
- unsigned int c;
- int bits, i = 0;
-
- c = ent->value;
- if (c < 0x80)
- { out[i++]= c; bits= -6; }
- else if (c < 0x800)
- { out[i++]=((c >> 6) & 0x1F) | 0xC0; bits= 0; }
- else if (c < 0x10000)
- { out[i++]=((c >> 12) & 0x0F) | 0xE0; bits= 6; }
- else
- { out[i++]=((c >> 18) & 0x07) | 0xF0; bits= 12; }
-
- for ( ; bits >= 0; bits-= 6) {
- out[i++]= ((c >> bits) & 0x3F) | 0x80;
- }
- out[i] = 0;
-
- htmlCheckParagraph(ctxt);
- if ((ctxt->sax != NULL) && (ctxt->sax->characters != NULL))
- ctxt->sax->characters(ctxt->userData, out, i);
- }
- }
-}
-
-/**
- * htmlParseContent:
- * @ctxt: an HTML parser context
- *
- * Parse a content: comment, sub-element, reference or text.
- * Kept for compatibility with old code
- */
-
-static void
-htmlParseContent(htmlParserCtxtPtr ctxt) {
- xmlChar *currentNode;
- int depth;
- const xmlChar *name;
-
- currentNode = xmlStrdup(ctxt->name);
- depth = ctxt->nameNr;
- while (1) {
- long cons = ctxt->nbChars;
-
- GROW;
-
- if (ctxt->instate == XML_PARSER_EOF)
- break;
-
- /*
- * Our tag or one of it's parent or children is ending.
- */
- if ((CUR == '<') && (NXT(1) == '/')) {
- if (htmlParseEndTag(ctxt) &&
- ((currentNode != NULL) || (ctxt->nameNr == 0))) {
- if (currentNode != NULL)
- xmlFree(currentNode);
- return;
- }
- continue; /* while */
- }
-
- else if ((CUR == '<') &&
- ((IS_ASCII_LETTER(NXT(1))) ||
- (NXT(1) == '_') || (NXT(1) == ':'))) {
- name = htmlParseHTMLName_nonInvasive(ctxt);
- if (name == NULL) {
- htmlParseErr(ctxt, XML_ERR_NAME_REQUIRED,
- "htmlParseStartTag: invalid element name\n",
- NULL, NULL);
- /* Dump the bogus tag like browsers do */
- while ((IS_CHAR_CH(CUR)) && (CUR != '>'))
- NEXT;
-
- if (currentNode != NULL)
- xmlFree(currentNode);
- return;
- }
-
- if (ctxt->name != NULL) {
- if (htmlCheckAutoClose(name, ctxt->name) == 1) {
- htmlAutoClose(ctxt, name);
- continue;
- }
- }
- }
-
- /*
- * Has this node been popped out during parsing of
- * the next element
- */
- if ((ctxt->nameNr > 0) && (depth >= ctxt->nameNr) &&
- (!xmlStrEqual(currentNode, ctxt->name)))
- {
- if (currentNode != NULL) xmlFree(currentNode);
- return;
- }
-
- if ((CUR != 0) && ((xmlStrEqual(currentNode, BAD_CAST"script")) ||
- (xmlStrEqual(currentNode, BAD_CAST"style")))) {
- /*
- * Handle SCRIPT/STYLE separately
- */
- htmlParseScript(ctxt);
- } else {
- /*
- * Sometimes DOCTYPE arrives in the middle of the document
- */
- if ((CUR == '<') && (NXT(1) == '!') &&
- (UPP(2) == 'D') && (UPP(3) == 'O') &&
- (UPP(4) == 'C') && (UPP(5) == 'T') &&
- (UPP(6) == 'Y') && (UPP(7) == 'P') &&
- (UPP(8) == 'E')) {
- htmlParseErr(ctxt, XML_HTML_STRUCURE_ERROR,
- "Misplaced DOCTYPE declaration\n",
- BAD_CAST "DOCTYPE" , NULL);
- htmlParseDocTypeDecl(ctxt);
- }
-
- /*
- * First case : a comment
- */
- if ((CUR == '<') && (NXT(1) == '!') &&
- (NXT(2) == '-') && (NXT(3) == '-')) {
- htmlParseComment(ctxt);
- }
-
- /*
- * Second case : a Processing Instruction.
- */
- else if ((CUR == '<') && (NXT(1) == '?')) {
- htmlParsePI(ctxt);
- }
-
- /*
- * Third case : a sub-element.
- */
- else if (CUR == '<') {
- htmlParseElement(ctxt);
- }
-
- /*
- * Fourth case : a reference. If if has not been resolved,
- * parsing returns it's Name, create the node
- */
- else if (CUR == '&') {
- htmlParseReference(ctxt);
- }
-
- /*
- * Fifth case : end of the resource
- */
- else if (CUR == 0) {
- htmlAutoCloseOnEnd(ctxt);
- break;
- }
-
- /*
- * Last case, text. Note that References are handled directly.
- */
- else {
- htmlParseCharData(ctxt);
- }
-
- if (cons == ctxt->nbChars) {
- if (ctxt->node != NULL) {
- htmlParseErr(ctxt, XML_ERR_INTERNAL_ERROR,
- "detected an error in element content\n",
- NULL, NULL);
- }
- break;
- }
- }
- GROW;
- }
- if (currentNode != NULL) xmlFree(currentNode);
-}
-
-/**
- * htmlParseElement:
- * @ctxt: an HTML parser context
- *
- * parse an HTML element, this is highly recursive
- * this is kept for compatibility with previous code versions
- *
- * [39] element ::= EmptyElemTag | STag content ETag
- *
- * [41] Attribute ::= Name Eq AttValue
- */
-
-void
-htmlParseElement(htmlParserCtxtPtr ctxt) {
- const xmlChar *name;
- xmlChar *currentNode = NULL;
- const htmlElemDesc * info;
- htmlParserNodeInfo node_info;
- int failed;
- int depth;
- const xmlChar *oldptr;
-
- if ((ctxt == NULL) || (ctxt->input == NULL)) {
- htmlParseErr(ctxt, XML_ERR_INTERNAL_ERROR,
- "htmlParseElement: context error\n", NULL, NULL);
- return;
- }
-
- if (ctxt->instate == XML_PARSER_EOF)
- return;
-
- /* Capture start position */
- if (ctxt->record_info) {
- node_info.begin_pos = ctxt->input->consumed +
- (CUR_PTR - ctxt->input->base);
- node_info.begin_line = ctxt->input->line;
- }
-
- failed = htmlParseStartTag(ctxt);
- name = ctxt->name;
- if ((failed == -1) || (name == NULL)) {
- if (CUR == '>')
- NEXT;
- return;
- }
-
- /*
- * Lookup the info for that element.
- */
- info = htmlTagLookup(name);
- if (info == NULL) {
- htmlParseErr(ctxt, XML_HTML_UNKNOWN_TAG,
- "Tag %s invalid\n", name, NULL);
- }
-
- /*
- * Check for an Empty Element labeled the XML/SGML way
- */
- if ((CUR == '/') && (NXT(1) == '>')) {
- SKIP(2);
- if ((ctxt->sax != NULL) && (ctxt->sax->endElement != NULL))
- ctxt->sax->endElement(ctxt->userData, name);
- htmlnamePop(ctxt);
- return;
- }
-
- if (CUR == '>') {
- NEXT;
- } else {
- htmlParseErr(ctxt, XML_ERR_GT_REQUIRED,
- "Couldn't find end of Start Tag %s\n", name, NULL);
-
- /*
- * end of parsing of this node.
- */
- if (xmlStrEqual(name, ctxt->name)) {
- nodePop(ctxt);
- htmlnamePop(ctxt);
- }
-
- /*
- * Capture end position and add node
- */
- if (ctxt->record_info) {
- node_info.end_pos = ctxt->input->consumed +
- (CUR_PTR - ctxt->input->base);
- node_info.end_line = ctxt->input->line;
- node_info.node = ctxt->node;
- xmlParserAddNodeInfo(ctxt, &node_info);
- }
- return;
- }
-
- /*
- * Check for an Empty Element from DTD definition
- */
- if ((info != NULL) && (info->empty)) {
- if ((ctxt->sax != NULL) && (ctxt->sax->endElement != NULL))
- ctxt->sax->endElement(ctxt->userData, name);
- htmlnamePop(ctxt);
- return;
- }
-
- /*
- * Parse the content of the element:
- */
- currentNode = xmlStrdup(ctxt->name);
- depth = ctxt->nameNr;
- while (IS_CHAR_CH(CUR)) {
- oldptr = ctxt->input->cur;
- htmlParseContent(ctxt);
- if (oldptr==ctxt->input->cur) break;
- if (ctxt->nameNr < depth) break;
- }
-
- /*
- * Capture end position and add node
- */
- if ( currentNode != NULL && ctxt->record_info ) {
- node_info.end_pos = ctxt->input->consumed +
- (CUR_PTR - ctxt->input->base);
- node_info.end_line = ctxt->input->line;
- node_info.node = ctxt->node;
- xmlParserAddNodeInfo(ctxt, &node_info);
- }
- if (!IS_CHAR_CH(CUR)) {
- htmlAutoCloseOnEnd(ctxt);
- }
-
- if (currentNode != NULL)
- xmlFree(currentNode);
-}
-
-static void
-htmlParserFinishElementParsing(htmlParserCtxtPtr ctxt) {
- /*
- * Capture end position and add node
- */
- if ( ctxt->node != NULL && ctxt->record_info ) {
- ctxt->nodeInfo->end_pos = ctxt->input->consumed +
- (CUR_PTR - ctxt->input->base);
- ctxt->nodeInfo->end_line = ctxt->input->line;
- ctxt->nodeInfo->node = ctxt->node;
- xmlParserAddNodeInfo(ctxt, ctxt->nodeInfo);
- htmlNodeInfoPop(ctxt);
- }
- if (!IS_CHAR_CH(CUR)) {
- htmlAutoCloseOnEnd(ctxt);
- }
-}
-
-/**
- * htmlParseElementInternal:
- * @ctxt: an HTML parser context
- *
- * parse an HTML element, new version, non recursive
- *
- * [39] element ::= EmptyElemTag | STag content ETag
- *
- * [41] Attribute ::= Name Eq AttValue
- */
-
-static void
-htmlParseElementInternal(htmlParserCtxtPtr ctxt) {
- const xmlChar *name;
- const htmlElemDesc * info;
- htmlParserNodeInfo node_info = { 0, };
- int failed;
-
- if ((ctxt == NULL) || (ctxt->input == NULL)) {
- htmlParseErr(ctxt, XML_ERR_INTERNAL_ERROR,
- "htmlParseElementInternal: context error\n", NULL, NULL);
- return;
- }
-
- if (ctxt->instate == XML_PARSER_EOF)
- return;
-
- /* Capture start position */
- if (ctxt->record_info) {
- node_info.begin_pos = ctxt->input->consumed +
- (CUR_PTR - ctxt->input->base);
- node_info.begin_line = ctxt->input->line;
- }
-
- failed = htmlParseStartTag(ctxt);
- name = ctxt->name;
- if ((failed == -1) || (name == NULL)) {
- if (CUR == '>')
- NEXT;
- return;
- }
-
- /*
- * Lookup the info for that element.
- */
- info = htmlTagLookup(name);
- if (info == NULL) {
- htmlParseErr(ctxt, XML_HTML_UNKNOWN_TAG,
- "Tag %s invalid\n", name, NULL);
- }
-
- /*
- * Check for an Empty Element labeled the XML/SGML way
- */
- if ((CUR == '/') && (NXT(1) == '>')) {
- SKIP(2);
- if ((ctxt->sax != NULL) && (ctxt->sax->endElement != NULL))
- ctxt->sax->endElement(ctxt->userData, name);
- htmlnamePop(ctxt);
- return;
- }
-
- if (CUR == '>') {
- NEXT;
- } else {
- htmlParseErr(ctxt, XML_ERR_GT_REQUIRED,
- "Couldn't find end of Start Tag %s\n", name, NULL);
-
- /*
- * end of parsing of this node.
- */
- if (xmlStrEqual(name, ctxt->name)) {
- nodePop(ctxt);
- htmlnamePop(ctxt);
- }
-
- if (ctxt->record_info)
- htmlNodeInfoPush(ctxt, &node_info);
- htmlParserFinishElementParsing(ctxt);
- return;
- }
-
- /*
- * Check for an Empty Element from DTD definition
- */
- if ((info != NULL) && (info->empty)) {
- if ((ctxt->sax != NULL) && (ctxt->sax->endElement != NULL))
- ctxt->sax->endElement(ctxt->userData, name);
- htmlnamePop(ctxt);
- return;
- }
-
- if (ctxt->record_info)
- htmlNodeInfoPush(ctxt, &node_info);
-}
-
-/**
- * htmlParseContentInternal:
- * @ctxt: an HTML parser context
- *
- * Parse a content: comment, sub-element, reference or text.
- * New version for non recursive htmlParseElementInternal
- */
-
-static void
-htmlParseContentInternal(htmlParserCtxtPtr ctxt) {
- xmlChar *currentNode;
- int depth;
- const xmlChar *name;
-
- currentNode = xmlStrdup(ctxt->name);
- depth = ctxt->nameNr;
- while (1) {
- long cons = ctxt->nbChars;
-
- GROW;
-
- if (ctxt->instate == XML_PARSER_EOF)
- break;
-
- /*
- * Our tag or one of it's parent or children is ending.
- */
- if ((CUR == '<') && (NXT(1) == '/')) {
- if (htmlParseEndTag(ctxt) &&
- ((currentNode != NULL) || (ctxt->nameNr == 0))) {
- if (currentNode != NULL)
- xmlFree(currentNode);
-
- currentNode = xmlStrdup(ctxt->name);
- depth = ctxt->nameNr;
- }
- continue; /* while */
- }
-
- else if ((CUR == '<') &&
- ((IS_ASCII_LETTER(NXT(1))) ||
- (NXT(1) == '_') || (NXT(1) == ':'))) {
- name = htmlParseHTMLName_nonInvasive(ctxt);
- if (name == NULL) {
- htmlParseErr(ctxt, XML_ERR_NAME_REQUIRED,
- "htmlParseStartTag: invalid element name\n",
- NULL, NULL);
- /* Dump the bogus tag like browsers do */
- while ((IS_CHAR_CH(CUR)) && (CUR != '>'))
- NEXT;
-
- htmlParserFinishElementParsing(ctxt);
- if (currentNode != NULL)
- xmlFree(currentNode);
-
- currentNode = xmlStrdup(ctxt->name);
- depth = ctxt->nameNr;
- continue;
- }
-
- if (ctxt->name != NULL) {
- if (htmlCheckAutoClose(name, ctxt->name) == 1) {
- htmlAutoClose(ctxt, name);
- continue;
- }
- }
- }
-
- /*
- * Has this node been popped out during parsing of
- * the next element
- */
- if ((ctxt->nameNr > 0) && (depth >= ctxt->nameNr) &&
- (!xmlStrEqual(currentNode, ctxt->name)))
- {
- htmlParserFinishElementParsing(ctxt);
- if (currentNode != NULL) xmlFree(currentNode);
-
- currentNode = xmlStrdup(ctxt->name);
- depth = ctxt->nameNr;
- continue;
- }
-
- if ((CUR != 0) && ((xmlStrEqual(currentNode, BAD_CAST"script")) ||
- (xmlStrEqual(currentNode, BAD_CAST"style")))) {
- /*
- * Handle SCRIPT/STYLE separately
- */
- htmlParseScript(ctxt);
- } else {
- /*
- * Sometimes DOCTYPE arrives in the middle of the document
- */
- if ((CUR == '<') && (NXT(1) == '!') &&
- (UPP(2) == 'D') && (UPP(3) == 'O') &&
- (UPP(4) == 'C') && (UPP(5) == 'T') &&
- (UPP(6) == 'Y') && (UPP(7) == 'P') &&
- (UPP(8) == 'E')) {
- htmlParseErr(ctxt, XML_HTML_STRUCURE_ERROR,
- "Misplaced DOCTYPE declaration\n",
- BAD_CAST "DOCTYPE" , NULL);
- htmlParseDocTypeDecl(ctxt);
- }
-
- /*
- * First case : a comment
- */
- if ((CUR == '<') && (NXT(1) == '!') &&
- (NXT(2) == '-') && (NXT(3) == '-')) {
- htmlParseComment(ctxt);
- }
-
- /*
- * Second case : a Processing Instruction.
- */
- else if ((CUR == '<') && (NXT(1) == '?')) {
- htmlParsePI(ctxt);
- }
-
- /*
- * Third case : a sub-element.
- */
- else if (CUR == '<') {
- htmlParseElementInternal(ctxt);
- if (currentNode != NULL) xmlFree(currentNode);
-
- currentNode = xmlStrdup(ctxt->name);
- depth = ctxt->nameNr;
- }
-
- /*
- * Fourth case : a reference. If if has not been resolved,
- * parsing returns it's Name, create the node
- */
- else if (CUR == '&') {
- htmlParseReference(ctxt);
- }
-
- /*
- * Fifth case : end of the resource
- */
- else if (CUR == 0) {
- htmlAutoCloseOnEnd(ctxt);
- break;
- }
-
- /*
- * Last case, text. Note that References are handled directly.
- */
- else {
- htmlParseCharData(ctxt);
- }
-
- if (cons == ctxt->nbChars) {
- if (ctxt->node != NULL) {
- htmlParseErr(ctxt, XML_ERR_INTERNAL_ERROR,
- "detected an error in element content\n",
- NULL, NULL);
- }
- break;
- }
- }
- GROW;
- }
- if (currentNode != NULL) xmlFree(currentNode);
-}
-
-/**
- * htmlParseContent:
- * @ctxt: an HTML parser context
- *
- * Parse a content: comment, sub-element, reference or text.
- * This is the entry point when called from parser.c
- */
-
-void
-__htmlParseContent(void *ctxt) {
- if (ctxt != NULL)
- htmlParseContentInternal((htmlParserCtxtPtr) ctxt);
-}
-
-/**
- * htmlParseDocument:
- * @ctxt: an HTML parser context
- *
- * parse an HTML document (and build a tree if using the standard SAX
- * interface).
- *
- * Returns 0, -1 in case of error. the parser context is augmented
- * as a result of the parsing.
- */
-
-int
-htmlParseDocument(htmlParserCtxtPtr ctxt) {
- xmlChar start[4];
- xmlCharEncoding enc;
- xmlDtdPtr dtd;
-
- xmlInitParser();
-
- htmlDefaultSAXHandlerInit();
-
- if ((ctxt == NULL) || (ctxt->input == NULL)) {
- htmlParseErr(ctxt, XML_ERR_INTERNAL_ERROR,
- "htmlParseDocument: context error\n", NULL, NULL);
- return(XML_ERR_INTERNAL_ERROR);
- }
- ctxt->html = 1;
- ctxt->linenumbers = 1;
- GROW;
- /*
- * SAX: beginning of the document processing.
- */
- if ((ctxt->sax) && (ctxt->sax->setDocumentLocator))
- ctxt->sax->setDocumentLocator(ctxt->userData, &xmlDefaultSAXLocator);
-
- if ((ctxt->encoding == (const xmlChar *)XML_CHAR_ENCODING_NONE) &&
- ((ctxt->input->end - ctxt->input->cur) >= 4)) {
- /*
- * Get the 4 first bytes and decode the charset
- * if enc != XML_CHAR_ENCODING_NONE
- * plug some encoding conversion routines.
- */
- start[0] = RAW;
- start[1] = NXT(1);
- start[2] = NXT(2);
- start[3] = NXT(3);
- enc = xmlDetectCharEncoding(&start[0], 4);
- if (enc != XML_CHAR_ENCODING_NONE) {
- xmlSwitchEncoding(ctxt, enc);
- }
- }
-
- /*
- * Wipe out everything which is before the first '<'
- */
- SKIP_BLANKS;
- if (CUR == 0) {
- htmlParseErr(ctxt, XML_ERR_DOCUMENT_EMPTY,
- "Document is empty\n", NULL, NULL);
- }
-
- if ((ctxt->sax) && (ctxt->sax->startDocument) && (!ctxt->disableSAX))
- ctxt->sax->startDocument(ctxt->userData);
-
-
- /*
- * Parse possible comments and PIs before any content
- */
- while (((CUR == '<') && (NXT(1) == '!') &&
- (NXT(2) == '-') && (NXT(3) == '-')) ||
- ((CUR == '<') && (NXT(1) == '?'))) {
- htmlParseComment(ctxt);
- htmlParsePI(ctxt);
- SKIP_BLANKS;
- }
-
-
- /*
- * Then possibly doc type declaration(s) and more Misc
- * (doctypedecl Misc*)?
- */
- if ((CUR == '<') && (NXT(1) == '!') &&
- (UPP(2) == 'D') && (UPP(3) == 'O') &&
- (UPP(4) == 'C') && (UPP(5) == 'T') &&
- (UPP(6) == 'Y') && (UPP(7) == 'P') &&
- (UPP(8) == 'E')) {
- htmlParseDocTypeDecl(ctxt);
- }
- SKIP_BLANKS;
-
- /*
- * Parse possible comments and PIs before any content
- */
- while (((CUR == '<') && (NXT(1) == '!') &&
- (NXT(2) == '-') && (NXT(3) == '-')) ||
- ((CUR == '<') && (NXT(1) == '?'))) {
- htmlParseComment(ctxt);
- htmlParsePI(ctxt);
- SKIP_BLANKS;
- }
-
- /*
- * Time to start parsing the tree itself
- */
- htmlParseContentInternal(ctxt);
-
- /*
- * autoclose
- */
- if (CUR == 0)
- htmlAutoCloseOnEnd(ctxt);
-
-
- /*
- * SAX: end of the document processing.
- */
- if ((ctxt->sax) && (ctxt->sax->endDocument != NULL))
- ctxt->sax->endDocument(ctxt->userData);
-
- if ((!(ctxt->options & HTML_PARSE_NODEFDTD)) && (ctxt->myDoc != NULL)) {
- dtd = xmlGetIntSubset(ctxt->myDoc);
- if (dtd == NULL)
- ctxt->myDoc->intSubset =
- xmlCreateIntSubset(ctxt->myDoc, BAD_CAST "html",
- BAD_CAST "-//W3C//DTD HTML 4.0 Transitional//EN",
- BAD_CAST "http://www.w3.org/TR/REC-html40/loose.dtd");
- }
- if (! ctxt->wellFormed) return(-1);
- return(0);
-}
-
-
-/************************************************************************
- * *
- * Parser contexts handling *
- * *
- ************************************************************************/
-
-/**
- * htmlInitParserCtxt:
- * @ctxt: an HTML parser context
- *
- * Initialize a parser context
- *
- * Returns 0 in case of success and -1 in case of error
- */
-
-static int
-htmlInitParserCtxt(htmlParserCtxtPtr ctxt)
-{
- htmlSAXHandler *sax;
-
- if (ctxt == NULL) return(-1);
- memset(ctxt, 0, sizeof(htmlParserCtxt));
-
- ctxt->dict = xmlDictCreate();
- if (ctxt->dict == NULL) {
- htmlErrMemory(NULL, "htmlInitParserCtxt: out of memory\n");
- return(-1);
- }
- sax = (htmlSAXHandler *) xmlMalloc(sizeof(htmlSAXHandler));
- if (sax == NULL) {
- htmlErrMemory(NULL, "htmlInitParserCtxt: out of memory\n");
- return(-1);
- }
- else
- memset(sax, 0, sizeof(htmlSAXHandler));
-
- /* Allocate the Input stack */
- ctxt->inputTab = (htmlParserInputPtr *)
- xmlMalloc(5 * sizeof(htmlParserInputPtr));
- if (ctxt->inputTab == NULL) {
- htmlErrMemory(NULL, "htmlInitParserCtxt: out of memory\n");
- ctxt->inputNr = 0;
- ctxt->inputMax = 0;
- ctxt->input = NULL;
- return(-1);
- }
- ctxt->inputNr = 0;
- ctxt->inputMax = 5;
- ctxt->input = NULL;
- ctxt->version = NULL;
- ctxt->encoding = NULL;
- ctxt->standalone = -1;
- ctxt->instate = XML_PARSER_START;
-
- /* Allocate the Node stack */
- ctxt->nodeTab = (htmlNodePtr *) xmlMalloc(10 * sizeof(htmlNodePtr));
- if (ctxt->nodeTab == NULL) {
- htmlErrMemory(NULL, "htmlInitParserCtxt: out of memory\n");
- ctxt->nodeNr = 0;
- ctxt->nodeMax = 0;
- ctxt->node = NULL;
- ctxt->inputNr = 0;
- ctxt->inputMax = 0;
- ctxt->input = NULL;
- return(-1);
- }
- ctxt->nodeNr = 0;
- ctxt->nodeMax = 10;
- ctxt->node = NULL;
-
- /* Allocate the Name stack */
- ctxt->nameTab = (const xmlChar **) xmlMalloc(10 * sizeof(xmlChar *));
- if (ctxt->nameTab == NULL) {
- htmlErrMemory(NULL, "htmlInitParserCtxt: out of memory\n");
- ctxt->nameNr = 0;
- ctxt->nameMax = 0;
- ctxt->name = NULL;
- ctxt->nodeNr = 0;
- ctxt->nodeMax = 0;
- ctxt->node = NULL;
- ctxt->inputNr = 0;
- ctxt->inputMax = 0;
- ctxt->input = NULL;
- return(-1);
- }
- ctxt->nameNr = 0;
- ctxt->nameMax = 10;
- ctxt->name = NULL;
-
- ctxt->nodeInfoTab = NULL;
- ctxt->nodeInfoNr = 0;
- ctxt->nodeInfoMax = 0;
-
- if (sax == NULL) ctxt->sax = (xmlSAXHandlerPtr) &htmlDefaultSAXHandler;
- else {
- ctxt->sax = sax;
- memcpy(sax, &htmlDefaultSAXHandler, sizeof(xmlSAXHandlerV1));
- }
- ctxt->userData = ctxt;
- ctxt->myDoc = NULL;
- ctxt->wellFormed = 1;
- ctxt->replaceEntities = 0;
- ctxt->linenumbers = xmlLineNumbersDefaultValue;
- ctxt->html = 1;
- ctxt->vctxt.finishDtd = XML_CTXT_FINISH_DTD_0;
- ctxt->vctxt.userData = ctxt;
- ctxt->vctxt.error = xmlParserValidityError;
- ctxt->vctxt.warning = xmlParserValidityWarning;
- ctxt->record_info = 0;
- ctxt->validate = 0;
- ctxt->nbChars = 0;
- ctxt->checkIndex = 0;
- ctxt->catalogs = NULL;
- xmlInitNodeInfoSeq(&ctxt->node_seq);
- return(0);
-}
-
-/**
- * htmlFreeParserCtxt:
- * @ctxt: an HTML parser context
- *
- * Free all the memory used by a parser context. However the parsed
- * document in ctxt->myDoc is not freed.
- */
-
-void
-htmlFreeParserCtxt(htmlParserCtxtPtr ctxt)
-{
- xmlFreeParserCtxt(ctxt);
-}
-
-/**
- * htmlNewParserCtxt:
- *
- * Allocate and initialize a new parser context.
- *
- * Returns the htmlParserCtxtPtr or NULL in case of allocation error
- */
-
-htmlParserCtxtPtr
-htmlNewParserCtxt(void)
-{
- xmlParserCtxtPtr ctxt;
-
- ctxt = (xmlParserCtxtPtr) xmlMalloc(sizeof(xmlParserCtxt));
- if (ctxt == NULL) {
- htmlErrMemory(NULL, "NewParserCtxt: out of memory\n");
- return(NULL);
- }
- memset(ctxt, 0, sizeof(xmlParserCtxt));
- if (htmlInitParserCtxt(ctxt) < 0) {
- htmlFreeParserCtxt(ctxt);
- return(NULL);
- }
- return(ctxt);
-}
-
-/**
- * htmlCreateMemoryParserCtxt:
- * @buffer: a pointer to a char array
- * @size: the size of the array
- *
- * Create a parser context for an HTML in-memory document.
- *
- * Returns the new parser context or NULL
- */
-htmlParserCtxtPtr
-htmlCreateMemoryParserCtxt(const char *buffer, int size) {
- xmlParserCtxtPtr ctxt;
- xmlParserInputPtr input;
- xmlParserInputBufferPtr buf;
-
- if (buffer == NULL)
- return(NULL);
- if (size <= 0)
- return(NULL);
-
- ctxt = htmlNewParserCtxt();
- if (ctxt == NULL)
- return(NULL);
-
- buf = xmlParserInputBufferCreateMem(buffer, size, XML_CHAR_ENCODING_NONE);
- if (buf == NULL) return(NULL);
-
- input = xmlNewInputStream(ctxt);
- if (input == NULL) {
- xmlFreeParserCtxt(ctxt);
- return(NULL);
- }
-
- input->filename = NULL;
- input->buf = buf;
- xmlBufResetInput(buf->buffer, input);
-
- inputPush(ctxt, input);
- return(ctxt);
-}
-
-/**
- * htmlCreateDocParserCtxt:
- * @cur: a pointer to an array of xmlChar
- * @encoding: a free form C string describing the HTML document encoding, or NULL
- *
- * Create a parser context for an HTML document.
- *
- * TODO: check the need to add encoding handling there
- *
- * Returns the new parser context or NULL
- */
-static htmlParserCtxtPtr
-htmlCreateDocParserCtxt(const xmlChar *cur, const char *encoding) {
- int len;
- htmlParserCtxtPtr ctxt;
-
- if (cur == NULL)
- return(NULL);
- len = xmlStrlen(cur);
- ctxt = htmlCreateMemoryParserCtxt((char *)cur, len);
- if (ctxt == NULL)
- return(NULL);
-
- if (encoding != NULL) {
- xmlCharEncoding enc;
- xmlCharEncodingHandlerPtr handler;
-
- if (ctxt->input->encoding != NULL)
- xmlFree((xmlChar *) ctxt->input->encoding);
- ctxt->input->encoding = xmlStrdup((const xmlChar *) encoding);
-
- enc = xmlParseCharEncoding(encoding);
- /*
- * registered set of known encodings
- */
- if (enc != XML_CHAR_ENCODING_ERROR) {
- xmlSwitchEncoding(ctxt, enc);
- if (ctxt->errNo == XML_ERR_UNSUPPORTED_ENCODING) {
- htmlParseErr(ctxt, XML_ERR_UNSUPPORTED_ENCODING,
- "Unsupported encoding %s\n",
- (const xmlChar *) encoding, NULL);
- }
- } else {
- /*
- * fallback for unknown encodings
- */
- handler = xmlFindCharEncodingHandler((const char *) encoding);
- if (handler != NULL) {
- xmlSwitchToEncoding(ctxt, handler);
- } else {
- htmlParseErr(ctxt, XML_ERR_UNSUPPORTED_ENCODING,
- "Unsupported encoding %s\n",
- (const xmlChar *) encoding, NULL);
- }
- }
- }
- return(ctxt);
-}
-
-#ifdef LIBXML_PUSH_ENABLED
-/************************************************************************
- * *
- * Progressive parsing interfaces *
- * *
- ************************************************************************/
-
-/**
- * htmlParseLookupSequence:
- * @ctxt: an HTML parser context
- * @first: the first char to lookup
- * @next: the next char to lookup or zero
- * @third: the next char to lookup or zero
- * @comment: flag to force checking inside comments
- *
- * Try to find if a sequence (first, next, third) or just (first next) or
- * (first) is available in the input stream.
- * This function has a side effect of (possibly) incrementing ctxt->checkIndex
- * to avoid rescanning sequences of bytes, it DOES change the state of the
- * parser, do not use liberally.
- * This is basically similar to xmlParseLookupSequence()
- *
- * Returns the index to the current parsing point if the full sequence
- * is available, -1 otherwise.
- */
-static int
-htmlParseLookupSequence(htmlParserCtxtPtr ctxt, xmlChar first,
- xmlChar next, xmlChar third, int iscomment,
- int ignoreattrval)
-{
- int base, len;
- htmlParserInputPtr in;
- const xmlChar *buf;
- int incomment = 0;
- int invalue = 0;
- char valdellim = 0x0;
-
- in = ctxt->input;
- if (in == NULL)
- return (-1);
-
- base = in->cur - in->base;
- if (base < 0)
- return (-1);
-
- if (ctxt->checkIndex > base)
- base = ctxt->checkIndex;
-
- if (in->buf == NULL) {
- buf = in->base;
- len = in->length;
- } else {
- buf = xmlBufContent(in->buf->buffer);
- len = xmlBufUse(in->buf->buffer);
- }
-
- /* take into account the sequence length */
- if (third)
- len -= 2;
- else if (next)
- len--;
- for (; base < len; base++) {
- if ((!incomment) && (base + 4 < len) && (!iscomment)) {
- if ((buf[base] == '<') && (buf[base + 1] == '!') &&
- (buf[base + 2] == '-') && (buf[base + 3] == '-')) {
- incomment = 1;
- /* do not increment past <! - some people use <!--> */
- base += 2;
- }
- }
- if (ignoreattrval) {
- if (buf[base] == '"' || buf[base] == '\'') {
- if (invalue) {
- if (buf[base] == valdellim) {
- invalue = 0;
- continue;
- }
- } else {
- valdellim = buf[base];
- invalue = 1;
- continue;
- }
- } else if (invalue) {
- continue;
- }
- }
- if (incomment) {
- if (base + 3 > len)
- return (-1);
- if ((buf[base] == '-') && (buf[base + 1] == '-') &&
- (buf[base + 2] == '>')) {
- incomment = 0;
- base += 2;
- }
- continue;
- }
- if (buf[base] == first) {
- if (third != 0) {
- if ((buf[base + 1] != next) || (buf[base + 2] != third))
- continue;
- } else if (next != 0) {
- if (buf[base + 1] != next)
- continue;
- }
- ctxt->checkIndex = 0;
-#ifdef DEBUG_PUSH
- if (next == 0)
- xmlGenericError(xmlGenericErrorContext,
- "HPP: lookup '%c' found at %d\n",
- first, base);
- else if (third == 0)
- xmlGenericError(xmlGenericErrorContext,
- "HPP: lookup '%c%c' found at %d\n",
- first, next, base);
- else
- xmlGenericError(xmlGenericErrorContext,
- "HPP: lookup '%c%c%c' found at %d\n",
- first, next, third, base);
-#endif
- return (base - (in->cur - in->base));
- }
- }
- if ((!incomment) && (!invalue))
- ctxt->checkIndex = base;
-#ifdef DEBUG_PUSH
- if (next == 0)
- xmlGenericError(xmlGenericErrorContext,
- "HPP: lookup '%c' failed\n", first);
- else if (third == 0)
- xmlGenericError(xmlGenericErrorContext,
- "HPP: lookup '%c%c' failed\n", first, next);
- else
- xmlGenericError(xmlGenericErrorContext,
- "HPP: lookup '%c%c%c' failed\n", first, next,
- third);
-#endif
- return (-1);
-}
-
-/**
- * htmlParseLookupChars:
- * @ctxt: an HTML parser context
- * @stop: Array of chars, which stop the lookup.
- * @stopLen: Length of stop-Array
- *
- * Try to find if any char of the stop-Array is available in the input
- * stream.
- * This function has a side effect of (possibly) incrementing ctxt->checkIndex
- * to avoid rescanning sequences of bytes, it DOES change the state of the
- * parser, do not use liberally.
- *
- * Returns the index to the current parsing point if a stopChar
- * is available, -1 otherwise.
- */
-static int
-htmlParseLookupChars(htmlParserCtxtPtr ctxt, const xmlChar * stop,
- int stopLen)
-{
- int base, len;
- htmlParserInputPtr in;
- const xmlChar *buf;
- int incomment = 0;
- int i;
-
- in = ctxt->input;
- if (in == NULL)
- return (-1);
-
- base = in->cur - in->base;
- if (base < 0)
- return (-1);
-
- if (ctxt->checkIndex > base)
- base = ctxt->checkIndex;
-
- if (in->buf == NULL) {
- buf = in->base;
- len = in->length;
- } else {
- buf = xmlBufContent(in->buf->buffer);
- len = xmlBufUse(in->buf->buffer);
- }
-
- for (; base < len; base++) {
- if (!incomment && (base + 4 < len)) {
- if ((buf[base] == '<') && (buf[base + 1] == '!') &&
- (buf[base + 2] == '-') && (buf[base + 3] == '-')) {
- incomment = 1;
- /* do not increment past <! - some people use <!--> */
- base += 2;
- }
- }
- if (incomment) {
- if (base + 3 > len)
- return (-1);
- if ((buf[base] == '-') && (buf[base + 1] == '-') &&
- (buf[base + 2] == '>')) {
- incomment = 0;
- base += 2;
- }
- continue;
- }
- for (i = 0; i < stopLen; ++i) {
- if (buf[base] == stop[i]) {
- ctxt->checkIndex = 0;
- return (base - (in->cur - in->base));
- }
- }
- }
- ctxt->checkIndex = base;
- return (-1);
-}
-
-/**
- * htmlParseTryOrFinish:
- * @ctxt: an HTML parser context
- * @terminate: last chunk indicator
- *
- * Try to progress on parsing
- *
- * Returns zero if no parsing was possible
- */
-static int
-htmlParseTryOrFinish(htmlParserCtxtPtr ctxt, int terminate) {
- int ret = 0;
- htmlParserInputPtr in;
- int avail = 0;
- xmlChar cur, next;
-
- htmlParserNodeInfo node_info;
-
-#ifdef DEBUG_PUSH
- switch (ctxt->instate) {
- case XML_PARSER_EOF:
- xmlGenericError(xmlGenericErrorContext,
- "HPP: try EOF\n"); break;
- case XML_PARSER_START:
- xmlGenericError(xmlGenericErrorContext,
- "HPP: try START\n"); break;
- case XML_PARSER_MISC:
- xmlGenericError(xmlGenericErrorContext,
- "HPP: try MISC\n");break;
- case XML_PARSER_COMMENT:
- xmlGenericError(xmlGenericErrorContext,
- "HPP: try COMMENT\n");break;
- case XML_PARSER_PROLOG:
- xmlGenericError(xmlGenericErrorContext,
- "HPP: try PROLOG\n");break;
- case XML_PARSER_START_TAG:
- xmlGenericError(xmlGenericErrorContext,
- "HPP: try START_TAG\n");break;
- case XML_PARSER_CONTENT:
- xmlGenericError(xmlGenericErrorContext,
- "HPP: try CONTENT\n");break;
- case XML_PARSER_CDATA_SECTION:
- xmlGenericError(xmlGenericErrorContext,
- "HPP: try CDATA_SECTION\n");break;
- case XML_PARSER_END_TAG:
- xmlGenericError(xmlGenericErrorContext,
- "HPP: try END_TAG\n");break;
- case XML_PARSER_ENTITY_DECL:
- xmlGenericError(xmlGenericErrorContext,
- "HPP: try ENTITY_DECL\n");break;
- case XML_PARSER_ENTITY_VALUE:
- xmlGenericError(xmlGenericErrorContext,
- "HPP: try ENTITY_VALUE\n");break;
- case XML_PARSER_ATTRIBUTE_VALUE:
- xmlGenericError(xmlGenericErrorContext,
- "HPP: try ATTRIBUTE_VALUE\n");break;
- case XML_PARSER_DTD:
- xmlGenericError(xmlGenericErrorContext,
- "HPP: try DTD\n");break;
- case XML_PARSER_EPILOG:
- xmlGenericError(xmlGenericErrorContext,
- "HPP: try EPILOG\n");break;
- case XML_PARSER_PI:
- xmlGenericError(xmlGenericErrorContext,
- "HPP: try PI\n");break;
- case XML_PARSER_SYSTEM_LITERAL:
- xmlGenericError(xmlGenericErrorContext,
- "HPP: try SYSTEM_LITERAL\n");break;
- }
-#endif
-
- while (1) {
-
- in = ctxt->input;
- if (in == NULL) break;
- if (in->buf == NULL)
- avail = in->length - (in->cur - in->base);
- else
- avail = xmlBufUse(in->buf->buffer) - (in->cur - in->base);
- if ((avail == 0) && (terminate)) {
- htmlAutoCloseOnEnd(ctxt);
- if ((ctxt->nameNr == 0) && (ctxt->instate != XML_PARSER_EOF)) {
- /*
- * SAX: end of the document processing.
- */
- ctxt->instate = XML_PARSER_EOF;
- if ((ctxt->sax) && (ctxt->sax->endDocument != NULL))
- ctxt->sax->endDocument(ctxt->userData);
- }
- }
- if (avail < 1)
- goto done;
- cur = in->cur[0];
- if (cur == 0) {
- SKIP(1);
- continue;
- }
-
- switch (ctxt->instate) {
- case XML_PARSER_EOF:
- /*
- * Document parsing is done !
- */
- goto done;
- case XML_PARSER_START:
- /*
- * Very first chars read from the document flow.
- */
- cur = in->cur[0];
- if (IS_BLANK_CH(cur)) {
- SKIP_BLANKS;
- if (in->buf == NULL)
- avail = in->length - (in->cur - in->base);
- else
- avail = xmlBufUse(in->buf->buffer) - (in->cur - in->base);
- }
- if ((ctxt->sax) && (ctxt->sax->setDocumentLocator))
- ctxt->sax->setDocumentLocator(ctxt->userData,
- &xmlDefaultSAXLocator);
- if ((ctxt->sax) && (ctxt->sax->startDocument) &&
- (!ctxt->disableSAX))
- ctxt->sax->startDocument(ctxt->userData);
-
- cur = in->cur[0];
- next = in->cur[1];
- if ((cur == '<') && (next == '!') &&
- (UPP(2) == 'D') && (UPP(3) == 'O') &&
- (UPP(4) == 'C') && (UPP(5) == 'T') &&
- (UPP(6) == 'Y') && (UPP(7) == 'P') &&
- (UPP(8) == 'E')) {
- if ((!terminate) &&
- (htmlParseLookupSequence(ctxt, '>', 0, 0, 0, 1) < 0))
- goto done;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: Parsing internal subset\n");
-#endif
- htmlParseDocTypeDecl(ctxt);
- ctxt->instate = XML_PARSER_PROLOG;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: entering PROLOG\n");
-#endif
- } else {
- ctxt->instate = XML_PARSER_MISC;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: entering MISC\n");
-#endif
- }
- break;
- case XML_PARSER_MISC:
- SKIP_BLANKS;
- if (in->buf == NULL)
- avail = in->length - (in->cur - in->base);
- else
- avail = xmlBufUse(in->buf->buffer) - (in->cur - in->base);
- /*
- * no chars in buffer
- */
- if (avail < 1)
- goto done;
- /*
- * not enouth chars in buffer
- */
- if (avail < 2) {
- if (!terminate)
- goto done;
- else
- next = ' ';
- } else {
- next = in->cur[1];
- }
- cur = in->cur[0];
- if ((cur == '<') && (next == '!') &&
- (in->cur[2] == '-') && (in->cur[3] == '-')) {
- if ((!terminate) &&
- (htmlParseLookupSequence(ctxt, '-', '-', '>', 1, 1) < 0))
- goto done;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: Parsing Comment\n");
-#endif
- htmlParseComment(ctxt);
- ctxt->instate = XML_PARSER_MISC;
- } else if ((cur == '<') && (next == '?')) {
- if ((!terminate) &&
- (htmlParseLookupSequence(ctxt, '>', 0, 0, 0, 1) < 0))
- goto done;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: Parsing PI\n");
-#endif
- htmlParsePI(ctxt);
- ctxt->instate = XML_PARSER_MISC;
- } else if ((cur == '<') && (next == '!') &&
- (UPP(2) == 'D') && (UPP(3) == 'O') &&
- (UPP(4) == 'C') && (UPP(5) == 'T') &&
- (UPP(6) == 'Y') && (UPP(7) == 'P') &&
- (UPP(8) == 'E')) {
- if ((!terminate) &&
- (htmlParseLookupSequence(ctxt, '>', 0, 0, 0, 1) < 0))
- goto done;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: Parsing internal subset\n");
-#endif
- htmlParseDocTypeDecl(ctxt);
- ctxt->instate = XML_PARSER_PROLOG;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: entering PROLOG\n");
-#endif
- } else if ((cur == '<') && (next == '!') &&
- (avail < 9)) {
- goto done;
- } else {
- ctxt->instate = XML_PARSER_START_TAG;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: entering START_TAG\n");
-#endif
- }
- break;
- case XML_PARSER_PROLOG:
- SKIP_BLANKS;
- if (in->buf == NULL)
- avail = in->length - (in->cur - in->base);
- else
- avail = xmlBufUse(in->buf->buffer) - (in->cur - in->base);
- if (avail < 2)
- goto done;
- cur = in->cur[0];
- next = in->cur[1];
- if ((cur == '<') && (next == '!') &&
- (in->cur[2] == '-') && (in->cur[3] == '-')) {
- if ((!terminate) &&
- (htmlParseLookupSequence(ctxt, '-', '-', '>', 1, 1) < 0))
- goto done;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: Parsing Comment\n");
-#endif
- htmlParseComment(ctxt);
- ctxt->instate = XML_PARSER_PROLOG;
- } else if ((cur == '<') && (next == '?')) {
- if ((!terminate) &&
- (htmlParseLookupSequence(ctxt, '>', 0, 0, 0, 1) < 0))
- goto done;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: Parsing PI\n");
-#endif
- htmlParsePI(ctxt);
- ctxt->instate = XML_PARSER_PROLOG;
- } else if ((cur == '<') && (next == '!') &&
- (avail < 4)) {
- goto done;
- } else {
- ctxt->instate = XML_PARSER_START_TAG;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: entering START_TAG\n");
-#endif
- }
- break;
- case XML_PARSER_EPILOG:
- if (in->buf == NULL)
- avail = in->length - (in->cur - in->base);
- else
- avail = xmlBufUse(in->buf->buffer) - (in->cur - in->base);
- if (avail < 1)
- goto done;
- cur = in->cur[0];
- if (IS_BLANK_CH(cur)) {
- htmlParseCharData(ctxt);
- goto done;
- }
- if (avail < 2)
- goto done;
- next = in->cur[1];
- if ((cur == '<') && (next == '!') &&
- (in->cur[2] == '-') && (in->cur[3] == '-')) {
- if ((!terminate) &&
- (htmlParseLookupSequence(ctxt, '-', '-', '>', 1, 1) < 0))
- goto done;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: Parsing Comment\n");
-#endif
- htmlParseComment(ctxt);
- ctxt->instate = XML_PARSER_EPILOG;
- } else if ((cur == '<') && (next == '?')) {
- if ((!terminate) &&
- (htmlParseLookupSequence(ctxt, '>', 0, 0, 0, 1) < 0))
- goto done;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: Parsing PI\n");
-#endif
- htmlParsePI(ctxt);
- ctxt->instate = XML_PARSER_EPILOG;
- } else if ((cur == '<') && (next == '!') &&
- (avail < 4)) {
- goto done;
- } else {
- ctxt->errNo = XML_ERR_DOCUMENT_END;
- ctxt->wellFormed = 0;
- ctxt->instate = XML_PARSER_EOF;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: entering EOF\n");
-#endif
- if ((ctxt->sax) && (ctxt->sax->endDocument != NULL))
- ctxt->sax->endDocument(ctxt->userData);
- goto done;
- }
- break;
- case XML_PARSER_START_TAG: {
- const xmlChar *name;
- int failed;
- const htmlElemDesc * info;
-
- /*
- * no chars in buffer
- */
- if (avail < 1)
- goto done;
- /*
- * not enouth chars in buffer
- */
- if (avail < 2) {
- if (!terminate)
- goto done;
- else
- next = ' ';
- } else {
- next = in->cur[1];
- }
- cur = in->cur[0];
- if (cur != '<') {
- ctxt->instate = XML_PARSER_CONTENT;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: entering CONTENT\n");
-#endif
- break;
- }
- if (next == '/') {
- ctxt->instate = XML_PARSER_END_TAG;
- ctxt->checkIndex = 0;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: entering END_TAG\n");
-#endif
- break;
- }
- if ((!terminate) &&
- (htmlParseLookupSequence(ctxt, '>', 0, 0, 0, 1) < 0))
- goto done;
-
- /* Capture start position */
- if (ctxt->record_info) {
- node_info.begin_pos = ctxt->input->consumed +
- (CUR_PTR - ctxt->input->base);
- node_info.begin_line = ctxt->input->line;
- }
-
-
- failed = htmlParseStartTag(ctxt);
- name = ctxt->name;
- if ((failed == -1) ||
- (name == NULL)) {
- if (CUR == '>')
- NEXT;
- break;
- }
-
- /*
- * Lookup the info for that element.
- */
- info = htmlTagLookup(name);
- if (info == NULL) {
- htmlParseErr(ctxt, XML_HTML_UNKNOWN_TAG,
- "Tag %s invalid\n", name, NULL);
- }
-
- /*
- * Check for an Empty Element labeled the XML/SGML way
- */
- if ((CUR == '/') && (NXT(1) == '>')) {
- SKIP(2);
- if ((ctxt->sax != NULL) && (ctxt->sax->endElement != NULL))
- ctxt->sax->endElement(ctxt->userData, name);
- htmlnamePop(ctxt);
- ctxt->instate = XML_PARSER_CONTENT;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: entering CONTENT\n");
-#endif
- break;
- }
-
- if (CUR == '>') {
- NEXT;
- } else {
- htmlParseErr(ctxt, XML_ERR_GT_REQUIRED,
- "Couldn't find end of Start Tag %s\n",
- name, NULL);
-
- /*
- * end of parsing of this node.
- */
- if (xmlStrEqual(name, ctxt->name)) {
- nodePop(ctxt);
- htmlnamePop(ctxt);
- }
-
- if (ctxt->record_info)
- htmlNodeInfoPush(ctxt, &node_info);
-
- ctxt->instate = XML_PARSER_CONTENT;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: entering CONTENT\n");
-#endif
- break;
- }
-
- /*
- * Check for an Empty Element from DTD definition
- */
- if ((info != NULL) && (info->empty)) {
- if ((ctxt->sax != NULL) && (ctxt->sax->endElement != NULL))
- ctxt->sax->endElement(ctxt->userData, name);
- htmlnamePop(ctxt);
- }
-
- if (ctxt->record_info)
- htmlNodeInfoPush(ctxt, &node_info);
-
- ctxt->instate = XML_PARSER_CONTENT;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: entering CONTENT\n");
-#endif
- break;
- }
- case XML_PARSER_CONTENT: {
- long cons;
- /*
- * Handle preparsed entities and charRef
- */
- if (ctxt->token != 0) {
- xmlChar chr[2] = { 0 , 0 } ;
-
- chr[0] = (xmlChar) ctxt->token;
- htmlCheckParagraph(ctxt);
- if ((ctxt->sax != NULL) && (ctxt->sax->characters != NULL))
- ctxt->sax->characters(ctxt->userData, chr, 1);
- ctxt->token = 0;
- ctxt->checkIndex = 0;
- }
- if ((avail == 1) && (terminate)) {
- cur = in->cur[0];
- if ((cur != '<') && (cur != '&')) {
- if (ctxt->sax != NULL) {
- if (IS_BLANK_CH(cur)) {
- if (ctxt->keepBlanks) {
- if (ctxt->sax->characters != NULL)
- ctxt->sax->characters(
- ctxt->userData, &in->cur[0], 1);
- } else {
- if (ctxt->sax->ignorableWhitespace != NULL)
- ctxt->sax->ignorableWhitespace(
- ctxt->userData, &in->cur[0], 1);
- }
- } else {
- htmlCheckParagraph(ctxt);
- if (ctxt->sax->characters != NULL)
- ctxt->sax->characters(
- ctxt->userData, &in->cur[0], 1);
- }
- }
- ctxt->token = 0;
- ctxt->checkIndex = 0;
- in->cur++;
- break;
- }
- }
- if (avail < 2)
- goto done;
- cur = in->cur[0];
- next = in->cur[1];
- cons = ctxt->nbChars;
- if ((xmlStrEqual(ctxt->name, BAD_CAST"script")) ||
- (xmlStrEqual(ctxt->name, BAD_CAST"style"))) {
- /*
- * Handle SCRIPT/STYLE separately
- */
- if (!terminate) {
- int idx;
- xmlChar val;
-
- idx = htmlParseLookupSequence(ctxt, '<', '/', 0, 0, 0);
- if (idx < 0)
- goto done;
- val = in->cur[idx + 2];
- if (val == 0) /* bad cut of input */
- goto done;
- }
- htmlParseScript(ctxt);
- if ((cur == '<') && (next == '/')) {
- ctxt->instate = XML_PARSER_END_TAG;
- ctxt->checkIndex = 0;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: entering END_TAG\n");
-#endif
- break;
- }
- } else {
- /*
- * Sometimes DOCTYPE arrives in the middle of the document
- */
- if ((cur == '<') && (next == '!') &&
- (UPP(2) == 'D') && (UPP(3) == 'O') &&
- (UPP(4) == 'C') && (UPP(5) == 'T') &&
- (UPP(6) == 'Y') && (UPP(7) == 'P') &&
- (UPP(8) == 'E')) {
- if ((!terminate) &&
- (htmlParseLookupSequence(ctxt, '>', 0, 0, 0, 1) < 0))
- goto done;
- htmlParseErr(ctxt, XML_HTML_STRUCURE_ERROR,
- "Misplaced DOCTYPE declaration\n",
- BAD_CAST "DOCTYPE" , NULL);
- htmlParseDocTypeDecl(ctxt);
- } else if ((cur == '<') && (next == '!') &&
- (in->cur[2] == '-') && (in->cur[3] == '-')) {
- if ((!terminate) &&
- (htmlParseLookupSequence(
- ctxt, '-', '-', '>', 1, 1) < 0))
- goto done;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: Parsing Comment\n");
-#endif
- htmlParseComment(ctxt);
- ctxt->instate = XML_PARSER_CONTENT;
- } else if ((cur == '<') && (next == '?')) {
- if ((!terminate) &&
- (htmlParseLookupSequence(ctxt, '>', 0, 0, 0, 1) < 0))
- goto done;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: Parsing PI\n");
-#endif
- htmlParsePI(ctxt);
- ctxt->instate = XML_PARSER_CONTENT;
- } else if ((cur == '<') && (next == '!') && (avail < 4)) {
- goto done;
- } else if ((cur == '<') && (next == '/')) {
- ctxt->instate = XML_PARSER_END_TAG;
- ctxt->checkIndex = 0;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: entering END_TAG\n");
-#endif
- break;
- } else if (cur == '<') {
- ctxt->instate = XML_PARSER_START_TAG;
- ctxt->checkIndex = 0;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: entering START_TAG\n");
-#endif
- break;
- } else if (cur == '&') {
- if ((!terminate) &&
- (htmlParseLookupChars(ctxt,
- BAD_CAST "; >/", 4) < 0))
- goto done;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: Parsing Reference\n");
-#endif
- /* TODO: check generation of subtrees if noent !!! */
- htmlParseReference(ctxt);
- } else {
- /*
- * check that the text sequence is complete
- * before handing out the data to the parser
- * to avoid problems with erroneous end of
- * data detection.
- */
- if ((!terminate) &&
- (htmlParseLookupChars(ctxt, BAD_CAST "<&", 2) < 0))
- goto done;
- ctxt->checkIndex = 0;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: Parsing char data\n");
-#endif
- htmlParseCharData(ctxt);
- }
- }
- if (cons == ctxt->nbChars) {
- if (ctxt->node != NULL) {
- htmlParseErr(ctxt, XML_ERR_INTERNAL_ERROR,
- "detected an error in element content\n",
- NULL, NULL);
- }
- NEXT;
- break;
- }
-
- break;
- }
- case XML_PARSER_END_TAG:
- if (avail < 2)
- goto done;
- if ((!terminate) &&
- (htmlParseLookupSequence(ctxt, '>', 0, 0, 0, 1) < 0))
- goto done;
- htmlParseEndTag(ctxt);
- if (ctxt->nameNr == 0) {
- ctxt->instate = XML_PARSER_EPILOG;
- } else {
- ctxt->instate = XML_PARSER_CONTENT;
- }
- ctxt->checkIndex = 0;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: entering CONTENT\n");
-#endif
- break;
- case XML_PARSER_CDATA_SECTION:
- htmlParseErr(ctxt, XML_ERR_INTERNAL_ERROR,
- "HPP: internal error, state == CDATA\n",
- NULL, NULL);
- ctxt->instate = XML_PARSER_CONTENT;
- ctxt->checkIndex = 0;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: entering CONTENT\n");
-#endif
- break;
- case XML_PARSER_DTD:
- htmlParseErr(ctxt, XML_ERR_INTERNAL_ERROR,
- "HPP: internal error, state == DTD\n",
- NULL, NULL);
- ctxt->instate = XML_PARSER_CONTENT;
- ctxt->checkIndex = 0;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: entering CONTENT\n");
-#endif
- break;
- case XML_PARSER_COMMENT:
- htmlParseErr(ctxt, XML_ERR_INTERNAL_ERROR,
- "HPP: internal error, state == COMMENT\n",
- NULL, NULL);
- ctxt->instate = XML_PARSER_CONTENT;
- ctxt->checkIndex = 0;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: entering CONTENT\n");
-#endif
- break;
- case XML_PARSER_PI:
- htmlParseErr(ctxt, XML_ERR_INTERNAL_ERROR,
- "HPP: internal error, state == PI\n",
- NULL, NULL);
- ctxt->instate = XML_PARSER_CONTENT;
- ctxt->checkIndex = 0;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: entering CONTENT\n");
-#endif
- break;
- case XML_PARSER_ENTITY_DECL:
- htmlParseErr(ctxt, XML_ERR_INTERNAL_ERROR,
- "HPP: internal error, state == ENTITY_DECL\n",
- NULL, NULL);
- ctxt->instate = XML_PARSER_CONTENT;
- ctxt->checkIndex = 0;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: entering CONTENT\n");
-#endif
- break;
- case XML_PARSER_ENTITY_VALUE:
- htmlParseErr(ctxt, XML_ERR_INTERNAL_ERROR,
- "HPP: internal error, state == ENTITY_VALUE\n",
- NULL, NULL);
- ctxt->instate = XML_PARSER_CONTENT;
- ctxt->checkIndex = 0;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: entering DTD\n");
-#endif
- break;
- case XML_PARSER_ATTRIBUTE_VALUE:
- htmlParseErr(ctxt, XML_ERR_INTERNAL_ERROR,
- "HPP: internal error, state == ATTRIBUTE_VALUE\n",
- NULL, NULL);
- ctxt->instate = XML_PARSER_START_TAG;
- ctxt->checkIndex = 0;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: entering START_TAG\n");
-#endif
- break;
- case XML_PARSER_SYSTEM_LITERAL:
- htmlParseErr(ctxt, XML_ERR_INTERNAL_ERROR,
- "HPP: internal error, state == XML_PARSER_SYSTEM_LITERAL\n",
- NULL, NULL);
- ctxt->instate = XML_PARSER_CONTENT;
- ctxt->checkIndex = 0;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: entering CONTENT\n");
-#endif
- break;
- case XML_PARSER_IGNORE:
- htmlParseErr(ctxt, XML_ERR_INTERNAL_ERROR,
- "HPP: internal error, state == XML_PARSER_IGNORE\n",
- NULL, NULL);
- ctxt->instate = XML_PARSER_CONTENT;
- ctxt->checkIndex = 0;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: entering CONTENT\n");
-#endif
- break;
- case XML_PARSER_PUBLIC_LITERAL:
- htmlParseErr(ctxt, XML_ERR_INTERNAL_ERROR,
- "HPP: internal error, state == XML_PARSER_LITERAL\n",
- NULL, NULL);
- ctxt->instate = XML_PARSER_CONTENT;
- ctxt->checkIndex = 0;
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext,
- "HPP: entering CONTENT\n");
-#endif
- break;
-
- }
- }
-done:
- if ((avail == 0) && (terminate)) {
- htmlAutoCloseOnEnd(ctxt);
- if ((ctxt->nameNr == 0) && (ctxt->instate != XML_PARSER_EOF)) {
- /*
- * SAX: end of the document processing.
- */
- ctxt->instate = XML_PARSER_EOF;
- if ((ctxt->sax) && (ctxt->sax->endDocument != NULL))
- ctxt->sax->endDocument(ctxt->userData);
- }
- }
- if ((!(ctxt->options & HTML_PARSE_NODEFDTD)) && (ctxt->myDoc != NULL) &&
- ((terminate) || (ctxt->instate == XML_PARSER_EOF) ||
- (ctxt->instate == XML_PARSER_EPILOG))) {
- xmlDtdPtr dtd;
- dtd = xmlGetIntSubset(ctxt->myDoc);
- if (dtd == NULL)
- ctxt->myDoc->intSubset =
- xmlCreateIntSubset(ctxt->myDoc, BAD_CAST "html",
- BAD_CAST "-//W3C//DTD HTML 4.0 Transitional//EN",
- BAD_CAST "http://www.w3.org/TR/REC-html40/loose.dtd");
- }
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext, "HPP: done %d\n", ret);
-#endif
- return(ret);
-}
-
-/**
- * htmlParseChunk:
- * @ctxt: an HTML parser context
- * @chunk: an char array
- * @size: the size in byte of the chunk
- * @terminate: last chunk indicator
- *
- * Parse a Chunk of memory
- *
- * Returns zero if no error, the xmlParserErrors otherwise.
- */
-int
-htmlParseChunk(htmlParserCtxtPtr ctxt, const char *chunk, int size,
- int terminate) {
- if ((ctxt == NULL) || (ctxt->input == NULL)) {
- htmlParseErr(ctxt, XML_ERR_INTERNAL_ERROR,
- "htmlParseChunk: context error\n", NULL, NULL);
- return(XML_ERR_INTERNAL_ERROR);
- }
- if ((size > 0) && (chunk != NULL) && (ctxt->input != NULL) &&
- (ctxt->input->buf != NULL) && (ctxt->instate != XML_PARSER_EOF)) {
- size_t base = xmlBufGetInputBase(ctxt->input->buf->buffer, ctxt->input);
- size_t cur = ctxt->input->cur - ctxt->input->base;
- int res;
-
- res = xmlParserInputBufferPush(ctxt->input->buf, size, chunk);
- if (res < 0) {
- ctxt->errNo = XML_PARSER_EOF;
- ctxt->disableSAX = 1;
- return (XML_PARSER_EOF);
- }
- xmlBufSetInputBaseCur(ctxt->input->buf->buffer, ctxt->input, base, cur);
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext, "HPP: pushed %d\n", size);
-#endif
-
-#if 0
- if ((terminate) || (ctxt->input->buf->buffer->use > 80))
- htmlParseTryOrFinish(ctxt, terminate);
-#endif
- } else if (ctxt->instate != XML_PARSER_EOF) {
- if ((ctxt->input != NULL) && ctxt->input->buf != NULL) {
- xmlParserInputBufferPtr in = ctxt->input->buf;
- if ((in->encoder != NULL) && (in->buffer != NULL) &&
- (in->raw != NULL)) {
- int nbchars;
- size_t base = xmlBufGetInputBase(in->buffer, ctxt->input);
- size_t current = ctxt->input->cur - ctxt->input->base;
-
- nbchars = xmlCharEncInput(in, terminate);
- if (nbchars < 0) {
- htmlParseErr(ctxt, XML_ERR_INVALID_ENCODING,
- "encoder error\n", NULL, NULL);
- return(XML_ERR_INVALID_ENCODING);
- }
- xmlBufSetInputBaseCur(in->buffer, ctxt->input, base, current);
- }
- }
- }
- htmlParseTryOrFinish(ctxt, terminate);
- if (terminate) {
- if ((ctxt->instate != XML_PARSER_EOF) &&
- (ctxt->instate != XML_PARSER_EPILOG) &&
- (ctxt->instate != XML_PARSER_MISC)) {
- ctxt->errNo = XML_ERR_DOCUMENT_END;
- ctxt->wellFormed = 0;
- }
- if (ctxt->instate != XML_PARSER_EOF) {
- if ((ctxt->sax) && (ctxt->sax->endDocument != NULL))
- ctxt->sax->endDocument(ctxt->userData);
- }
- ctxt->instate = XML_PARSER_EOF;
- }
- return((xmlParserErrors) ctxt->errNo);
-}
-
-/************************************************************************
- * *
- * User entry points *
- * *
- ************************************************************************/
-
-/**
- * htmlCreatePushParserCtxt:
- * @sax: a SAX handler
- * @user_data: The user data returned on SAX callbacks
- * @chunk: a pointer to an array of chars
- * @size: number of chars in the array
- * @filename: an optional file name or URI
- * @enc: an optional encoding
- *
- * Create a parser context for using the HTML parser in push mode
- * The value of @filename is used for fetching external entities
- * and error/warning reports.
- *
- * Returns the new parser context or NULL
- */
-htmlParserCtxtPtr
-htmlCreatePushParserCtxt(htmlSAXHandlerPtr sax, void *user_data,
- const char *chunk, int size, const char *filename,
- xmlCharEncoding enc) {
- htmlParserCtxtPtr ctxt;
- htmlParserInputPtr inputStream;
- xmlParserInputBufferPtr buf;
-
- xmlInitParser();
-
- buf = xmlAllocParserInputBuffer(enc);
- if (buf == NULL) return(NULL);
-
- ctxt = htmlNewParserCtxt();
- if (ctxt == NULL) {
- xmlFreeParserInputBuffer(buf);
- return(NULL);
- }
- if(enc==XML_CHAR_ENCODING_UTF8 || buf->encoder)
- ctxt->charset=XML_CHAR_ENCODING_UTF8;
- if (sax != NULL) {
- if (ctxt->sax != (xmlSAXHandlerPtr) &htmlDefaultSAXHandler)
- xmlFree(ctxt->sax);
- ctxt->sax = (htmlSAXHandlerPtr) xmlMalloc(sizeof(htmlSAXHandler));
- if (ctxt->sax == NULL) {
- xmlFree(buf);
- xmlFree(ctxt);
- return(NULL);
- }
- memcpy(ctxt->sax, sax, sizeof(htmlSAXHandler));
- if (user_data != NULL)
- ctxt->userData = user_data;
- }
- if (filename == NULL) {
- ctxt->directory = NULL;
- } else {
- ctxt->directory = xmlParserGetDirectory(filename);
- }
-
- inputStream = htmlNewInputStream(ctxt);
- if (inputStream == NULL) {
- xmlFreeParserCtxt(ctxt);
- xmlFree(buf);
- return(NULL);
- }
-
- if (filename == NULL)
- inputStream->filename = NULL;
- else
- inputStream->filename = (char *)
- xmlCanonicPath((const xmlChar *) filename);
- inputStream->buf = buf;
- xmlBufResetInput(buf->buffer, inputStream);
-
- inputPush(ctxt, inputStream);
-
- if ((size > 0) && (chunk != NULL) && (ctxt->input != NULL) &&
- (ctxt->input->buf != NULL)) {
- size_t base = xmlBufGetInputBase(ctxt->input->buf->buffer, ctxt->input);
- size_t cur = ctxt->input->cur - ctxt->input->base;
-
- xmlParserInputBufferPush(ctxt->input->buf, size, chunk);
-
- xmlBufSetInputBaseCur(ctxt->input->buf->buffer, ctxt->input, base, cur);
-#ifdef DEBUG_PUSH
- xmlGenericError(xmlGenericErrorContext, "HPP: pushed %d\n", size);
-#endif
- }
- ctxt->progressive = 1;
-
- return(ctxt);
-}
-#endif /* LIBXML_PUSH_ENABLED */
-
-/**
- * htmlSAXParseDoc:
- * @cur: a pointer to an array of xmlChar
- * @encoding: a free form C string describing the HTML document encoding, or NULL
- * @sax: the SAX handler block
- * @userData: if using SAX, this pointer will be provided on callbacks.
- *
- * Parse an HTML in-memory document. If sax is not NULL, use the SAX callbacks
- * to handle parse events. If sax is NULL, fallback to the default DOM
- * behavior and return a tree.
- *
- * Returns the resulting document tree unless SAX is NULL or the document is
- * not well formed.
- */
-
-htmlDocPtr
-htmlSAXParseDoc(xmlChar *cur, const char *encoding, htmlSAXHandlerPtr sax, void *userData) {
- htmlDocPtr ret;
- htmlParserCtxtPtr ctxt;
-
- xmlInitParser();
-
- if (cur == NULL) return(NULL);
-
-
- ctxt = htmlCreateDocParserCtxt(cur, encoding);
- if (ctxt == NULL) return(NULL);
- if (sax != NULL) {
- if (ctxt->sax != NULL) xmlFree (ctxt->sax);
- ctxt->sax = sax;
- ctxt->userData = userData;
- }
-
- htmlParseDocument(ctxt);
- ret = ctxt->myDoc;
- if (sax != NULL) {
- ctxt->sax = NULL;
- ctxt->userData = NULL;
- }
- htmlFreeParserCtxt(ctxt);
-
- return(ret);
-}
-
-/**
- * htmlParseDoc:
- * @cur: a pointer to an array of xmlChar
- * @encoding: a free form C string describing the HTML document encoding, or NULL
- *
- * parse an HTML in-memory document and build a tree.
- *
- * Returns the resulting document tree
- */
-
-htmlDocPtr
-htmlParseDoc(xmlChar *cur, const char *encoding) {
- return(htmlSAXParseDoc(cur, encoding, NULL, NULL));
-}
-
-
-/**
- * htmlCreateFileParserCtxt:
- * @filename: the filename
- * @encoding: a free form C string describing the HTML document encoding, or NULL
- *
- * Create a parser context for a file content.
- * Automatic support for ZLIB/Compress compressed document is provided
- * by default if found at compile-time.
- *
- * Returns the new parser context or NULL
- */
-htmlParserCtxtPtr
-htmlCreateFileParserCtxt(const char *filename, const char *encoding)
-{
- htmlParserCtxtPtr ctxt;
- htmlParserInputPtr inputStream;
- char *canonicFilename;
- /* htmlCharEncoding enc; */
- xmlChar *content, *content_line = (xmlChar *) "charset=";
-
- if (filename == NULL)
- return(NULL);
-
- ctxt = htmlNewParserCtxt();
- if (ctxt == NULL) {
- return(NULL);
- }
- canonicFilename = (char *) xmlCanonicPath((const xmlChar *) filename);
- if (canonicFilename == NULL) {
-#ifdef LIBXML_SAX1_ENABLED
- if (xmlDefaultSAXHandler.error != NULL) {
- xmlDefaultSAXHandler.error(NULL, "out of memory\n");
- }
-#endif
- xmlFreeParserCtxt(ctxt);
- return(NULL);
- }
-
- inputStream = xmlLoadExternalEntity(canonicFilename, NULL, ctxt);
- xmlFree(canonicFilename);
- if (inputStream == NULL) {
- xmlFreeParserCtxt(ctxt);
- return(NULL);
- }
-
- inputPush(ctxt, inputStream);
-
- /* set encoding */
- if (encoding) {
- size_t l = strlen(encoding);
-
- if (l < 1000) {
- content = xmlMallocAtomic (xmlStrlen(content_line) + l + 1);
- if (content) {
- strcpy ((char *)content, (char *)content_line);
- strcat ((char *)content, (char *)encoding);
- htmlCheckEncoding (ctxt, content);
- xmlFree (content);
- }
- }
- }
-
- return(ctxt);
-}
-
-/**
- * htmlSAXParseFile:
- * @filename: the filename
- * @encoding: a free form C string describing the HTML document encoding, or NULL
- * @sax: the SAX handler block
- * @userData: if using SAX, this pointer will be provided on callbacks.
- *
- * parse an HTML file and build a tree. Automatic support for ZLIB/Compress
- * compressed document is provided by default if found at compile-time.
- * It use the given SAX function block to handle the parsing callback.
- * If sax is NULL, fallback to the default DOM tree building routines.
- *
- * Returns the resulting document tree unless SAX is NULL or the document is
- * not well formed.
- */
-
-htmlDocPtr
-htmlSAXParseFile(const char *filename, const char *encoding, htmlSAXHandlerPtr sax,
- void *userData) {
- htmlDocPtr ret;
- htmlParserCtxtPtr ctxt;
- htmlSAXHandlerPtr oldsax = NULL;
-
- xmlInitParser();
-
- ctxt = htmlCreateFileParserCtxt(filename, encoding);
- if (ctxt == NULL) return(NULL);
- if (sax != NULL) {
- oldsax = ctxt->sax;
- ctxt->sax = sax;
- ctxt->userData = userData;
- }
-
- htmlParseDocument(ctxt);
-
- ret = ctxt->myDoc;
- if (sax != NULL) {
- ctxt->sax = oldsax;
- ctxt->userData = NULL;
- }
- htmlFreeParserCtxt(ctxt);
-
- return(ret);
-}
-
-/**
- * htmlParseFile:
- * @filename: the filename
- * @encoding: a free form C string describing the HTML document encoding, or NULL
- *
- * parse an HTML file and build a tree. Automatic support for ZLIB/Compress
- * compressed document is provided by default if found at compile-time.
- *
- * Returns the resulting document tree
- */
-
-htmlDocPtr
-htmlParseFile(const char *filename, const char *encoding) {
- return(htmlSAXParseFile(filename, encoding, NULL, NULL));
-}
-
-/**
- * htmlHandleOmittedElem:
- * @val: int 0 or 1
- *
- * Set and return the previous value for handling HTML omitted tags.
- *
- * Returns the last value for 0 for no handling, 1 for auto insertion.
- */
-
-int
-htmlHandleOmittedElem(int val) {
- int old = htmlOmittedDefaultValue;
-
- htmlOmittedDefaultValue = val;
- return(old);
-}
-
-/**
- * htmlElementAllowedHere:
- * @parent: HTML parent element
- * @elt: HTML element
- *
- * Checks whether an HTML element may be a direct child of a parent element.
- * Note - doesn't check for deprecated elements
- *
- * Returns 1 if allowed; 0 otherwise.
- */
-int
-htmlElementAllowedHere(const htmlElemDesc* parent, const xmlChar* elt) {
- const char** p ;
-
- if ( ! elt || ! parent || ! parent->subelts )
- return 0 ;
-
- for ( p = parent->subelts; *p; ++p )
- if ( !xmlStrcmp((const xmlChar *)*p, elt) )
- return 1 ;
-
- return 0 ;
-}
-/**
- * htmlElementStatusHere:
- * @parent: HTML parent element
- * @elt: HTML element
- *
- * Checks whether an HTML element may be a direct child of a parent element.
- * and if so whether it is valid or deprecated.
- *
- * Returns one of HTML_VALID, HTML_DEPRECATED, HTML_INVALID
- */
-htmlStatus
-htmlElementStatusHere(const htmlElemDesc* parent, const htmlElemDesc* elt) {
- if ( ! parent || ! elt )
- return HTML_INVALID ;
- if ( ! htmlElementAllowedHere(parent, (const xmlChar*) elt->name ) )
- return HTML_INVALID ;
-
- return ( elt->dtd == 0 ) ? HTML_VALID : HTML_DEPRECATED ;
-}
-/**
- * htmlAttrAllowed:
- * @elt: HTML element
- * @attr: HTML attribute
- * @legacy: whether to allow deprecated attributes
- *
- * Checks whether an attribute is valid for an element
- * Has full knowledge of Required and Deprecated attributes
- *
- * Returns one of HTML_REQUIRED, HTML_VALID, HTML_DEPRECATED, HTML_INVALID
- */
-htmlStatus
-htmlAttrAllowed(const htmlElemDesc* elt, const xmlChar* attr, int legacy) {
- const char** p ;
-
- if ( !elt || ! attr )
- return HTML_INVALID ;
-
- if ( elt->attrs_req )
- for ( p = elt->attrs_req; *p; ++p)
- if ( !xmlStrcmp((const xmlChar*)*p, attr) )
- return HTML_REQUIRED ;
-
- if ( elt->attrs_opt )
- for ( p = elt->attrs_opt; *p; ++p)
- if ( !xmlStrcmp((const xmlChar*)*p, attr) )
- return HTML_VALID ;
-
- if ( legacy && elt->attrs_depr )
- for ( p = elt->attrs_depr; *p; ++p)
- if ( !xmlStrcmp((const xmlChar*)*p, attr) )
- return HTML_DEPRECATED ;
-
- return HTML_INVALID ;
-}
-/**
- * htmlNodeStatus:
- * @node: an htmlNodePtr in a tree
- * @legacy: whether to allow deprecated elements (YES is faster here
- * for Element nodes)
- *
- * Checks whether the tree node is valid. Experimental (the author
- * only uses the HTML enhancements in a SAX parser)
- *
- * Return: for Element nodes, a return from htmlElementAllowedHere (if
- * legacy allowed) or htmlElementStatusHere (otherwise).
- * for Attribute nodes, a return from htmlAttrAllowed
- * for other nodes, HTML_NA (no checks performed)
- */
-htmlStatus
-htmlNodeStatus(const htmlNodePtr node, int legacy) {
- if ( ! node )
- return HTML_INVALID ;
-
- switch ( node->type ) {
- case XML_ELEMENT_NODE:
- return legacy
- ? ( htmlElementAllowedHere (
- htmlTagLookup(node->parent->name) , node->name
- ) ? HTML_VALID : HTML_INVALID )
- : htmlElementStatusHere(
- htmlTagLookup(node->parent->name) ,
- htmlTagLookup(node->name) )
- ;
- case XML_ATTRIBUTE_NODE:
- return htmlAttrAllowed(
- htmlTagLookup(node->parent->name) , node->name, legacy) ;
- default: return HTML_NA ;
- }
-}
-/************************************************************************
- * *
- * New set (2.6.0) of simpler and more flexible APIs *
- * *
- ************************************************************************/
-/**
- * DICT_FREE:
- * @str: a string
- *
- * Free a string if it is not owned by the "dict" dictionnary in the
- * current scope
- */
-#define DICT_FREE(str) \
- if ((str) && ((!dict) || \
- (xmlDictOwns(dict, (const xmlChar *)(str)) == 0))) \
- xmlFree((char *)(str));
-
-/**
- * htmlCtxtReset:
- * @ctxt: an HTML parser context
- *
- * Reset a parser context
- */
-void
-htmlCtxtReset(htmlParserCtxtPtr ctxt)
-{
- xmlParserInputPtr input;
- xmlDictPtr dict;
-
- if (ctxt == NULL)
- return;
-
- xmlInitParser();
- dict = ctxt->dict;
-
- while ((input = inputPop(ctxt)) != NULL) { /* Non consuming */
- xmlFreeInputStream(input);
- }
- ctxt->inputNr = 0;
- ctxt->input = NULL;
-
- ctxt->spaceNr = 0;
- if (ctxt->spaceTab != NULL) {
- ctxt->spaceTab[0] = -1;
- ctxt->space = &ctxt->spaceTab[0];
- } else {
- ctxt->space = NULL;
- }
-
-
- ctxt->nodeNr = 0;
- ctxt->node = NULL;
-
- ctxt->nameNr = 0;
- ctxt->name = NULL;
-
- DICT_FREE(ctxt->version);
- ctxt->version = NULL;
- DICT_FREE(ctxt->encoding);
- ctxt->encoding = NULL;
- DICT_FREE(ctxt->directory);
- ctxt->directory = NULL;
- DICT_FREE(ctxt->extSubURI);
- ctxt->extSubURI = NULL;
- DICT_FREE(ctxt->extSubSystem);
- ctxt->extSubSystem = NULL;
- if (ctxt->myDoc != NULL)
- xmlFreeDoc(ctxt->myDoc);
- ctxt->myDoc = NULL;
-
- ctxt->standalone = -1;
- ctxt->hasExternalSubset = 0;
- ctxt->hasPErefs = 0;
- ctxt->html = 1;
- ctxt->external = 0;
- ctxt->instate = XML_PARSER_START;
- ctxt->token = 0;
-
- ctxt->wellFormed = 1;
- ctxt->nsWellFormed = 1;
- ctxt->disableSAX = 0;
- ctxt->valid = 1;
- ctxt->vctxt.userData = ctxt;
- ctxt->vctxt.error = xmlParserValidityError;
- ctxt->vctxt.warning = xmlParserValidityWarning;
- ctxt->record_info = 0;
- ctxt->nbChars = 0;
- ctxt->checkIndex = 0;
- ctxt->inSubset = 0;
- ctxt->errNo = XML_ERR_OK;
- ctxt->depth = 0;
- ctxt->charset = XML_CHAR_ENCODING_NONE;
- ctxt->catalogs = NULL;
- xmlInitNodeInfoSeq(&ctxt->node_seq);
-
- if (ctxt->attsDefault != NULL) {
- xmlHashFree(ctxt->attsDefault, (xmlHashDeallocator) xmlFree);
- ctxt->attsDefault = NULL;
- }
- if (ctxt->attsSpecial != NULL) {
- xmlHashFree(ctxt->attsSpecial, NULL);
- ctxt->attsSpecial = NULL;
- }
-}
-
-/**
- * htmlCtxtUseOptions:
- * @ctxt: an HTML parser context
- * @options: a combination of htmlParserOption(s)
- *
- * Applies the options to the parser context
- *
- * Returns 0 in case of success, the set of unknown or unimplemented options
- * in case of error.
- */
-int
-htmlCtxtUseOptions(htmlParserCtxtPtr ctxt, int options)
-{
- if (ctxt == NULL)
- return(-1);
-
- if (options & HTML_PARSE_NOWARNING) {
- ctxt->sax->warning = NULL;
- ctxt->vctxt.warning = NULL;
- options -= XML_PARSE_NOWARNING;
- ctxt->options |= XML_PARSE_NOWARNING;
- }
- if (options & HTML_PARSE_NOERROR) {
- ctxt->sax->error = NULL;
- ctxt->vctxt.error = NULL;
- ctxt->sax->fatalError = NULL;
- options -= XML_PARSE_NOERROR;
- ctxt->options |= XML_PARSE_NOERROR;
- }
- if (options & HTML_PARSE_PEDANTIC) {
- ctxt->pedantic = 1;
- options -= XML_PARSE_PEDANTIC;
- ctxt->options |= XML_PARSE_PEDANTIC;
- } else
- ctxt->pedantic = 0;
- if (options & XML_PARSE_NOBLANKS) {
- ctxt->keepBlanks = 0;
- ctxt->sax->ignorableWhitespace = xmlSAX2IgnorableWhitespace;
- options -= XML_PARSE_NOBLANKS;
- ctxt->options |= XML_PARSE_NOBLANKS;
- } else
- ctxt->keepBlanks = 1;
- if (options & HTML_PARSE_RECOVER) {
- ctxt->recovery = 1;
- options -= HTML_PARSE_RECOVER;
- } else
- ctxt->recovery = 0;
- if (options & HTML_PARSE_COMPACT) {
- ctxt->options |= HTML_PARSE_COMPACT;
- options -= HTML_PARSE_COMPACT;
- }
- if (options & XML_PARSE_HUGE) {
- ctxt->options |= XML_PARSE_HUGE;
- options -= XML_PARSE_HUGE;
- }
- if (options & HTML_PARSE_NODEFDTD) {
- ctxt->options |= HTML_PARSE_NODEFDTD;
- options -= HTML_PARSE_NODEFDTD;
- }
- if (options & HTML_PARSE_IGNORE_ENC) {
- ctxt->options |= HTML_PARSE_IGNORE_ENC;
- options -= HTML_PARSE_IGNORE_ENC;
- }
- if (options & HTML_PARSE_NOIMPLIED) {
- ctxt->options |= HTML_PARSE_NOIMPLIED;
- options -= HTML_PARSE_NOIMPLIED;
- }
- ctxt->dictNames = 0;
- return (options);
-}
-
-/**
- * htmlDoRead:
- * @ctxt: an HTML parser context
- * @URL: the base URL to use for the document
- * @encoding: the document encoding, or NULL
- * @options: a combination of htmlParserOption(s)
- * @reuse: keep the context for reuse
- *
- * Common front-end for the htmlRead functions
- *
- * Returns the resulting document tree or NULL
- */
-static htmlDocPtr
-htmlDoRead(htmlParserCtxtPtr ctxt, const char *URL, const char *encoding,
- int options, int reuse)
-{
- htmlDocPtr ret;
-
- htmlCtxtUseOptions(ctxt, options);
- ctxt->html = 1;
- if (encoding != NULL) {
- xmlCharEncodingHandlerPtr hdlr;
-
- hdlr = xmlFindCharEncodingHandler(encoding);
- if (hdlr != NULL) {
- xmlSwitchToEncoding(ctxt, hdlr);
- if (ctxt->input->encoding != NULL)
- xmlFree((xmlChar *) ctxt->input->encoding);
- ctxt->input->encoding = xmlStrdup((xmlChar *)encoding);
- }
- }
- if ((URL != NULL) && (ctxt->input != NULL) &&
- (ctxt->input->filename == NULL))
- ctxt->input->filename = (char *) xmlStrdup((const xmlChar *) URL);
- htmlParseDocument(ctxt);
- ret = ctxt->myDoc;
- ctxt->myDoc = NULL;
- if (!reuse) {
- if ((ctxt->dictNames) &&
- (ret != NULL) &&
- (ret->dict == ctxt->dict))
- ctxt->dict = NULL;
- xmlFreeParserCtxt(ctxt);
- }
- return (ret);
-}
-
-/**
- * htmlReadDoc:
- * @cur: a pointer to a zero terminated string
- * @URL: the base URL to use for the document
- * @encoding: the document encoding, or NULL
- * @options: a combination of htmlParserOption(s)
- *
- * parse an XML in-memory document and build a tree.
- *
- * Returns the resulting document tree
- */
-htmlDocPtr
-htmlReadDoc(const xmlChar * cur, const char *URL, const char *encoding, int options)
-{
- htmlParserCtxtPtr ctxt;
-
- if (cur == NULL)
- return (NULL);
-
- xmlInitParser();
- ctxt = htmlCreateDocParserCtxt(cur, NULL);
- if (ctxt == NULL)
- return (NULL);
- return (htmlDoRead(ctxt, URL, encoding, options, 0));
-}
-
-/**
- * htmlReadFile:
- * @filename: a file or URL
- * @encoding: the document encoding, or NULL
- * @options: a combination of htmlParserOption(s)
- *
- * parse an XML file from the filesystem or the network.
- *
- * Returns the resulting document tree
- */
-htmlDocPtr
-htmlReadFile(const char *filename, const char *encoding, int options)
-{
- htmlParserCtxtPtr ctxt;
-
- xmlInitParser();
- ctxt = htmlCreateFileParserCtxt(filename, encoding);
- if (ctxt == NULL)
- return (NULL);
- return (htmlDoRead(ctxt, NULL, NULL, options, 0));
-}
-
-/**
- * htmlReadMemory:
- * @buffer: a pointer to a char array
- * @size: the size of the array
- * @URL: the base URL to use for the document
- * @encoding: the document encoding, or NULL
- * @options: a combination of htmlParserOption(s)
- *
- * parse an XML in-memory document and build a tree.
- *
- * Returns the resulting document tree
- */
-htmlDocPtr
-htmlReadMemory(const char *buffer, int size, const char *URL, const char *encoding, int options)
-{
- htmlParserCtxtPtr ctxt;
-
- xmlInitParser();
- ctxt = xmlCreateMemoryParserCtxt(buffer, size);
- if (ctxt == NULL)
- return (NULL);
- htmlDefaultSAXHandlerInit();
- if (ctxt->sax != NULL)
- memcpy(ctxt->sax, &htmlDefaultSAXHandler, sizeof(xmlSAXHandlerV1));
- return (htmlDoRead(ctxt, URL, encoding, options, 0));
-}
-
-/**
- * htmlReadFd:
- * @fd: an open file descriptor
- * @URL: the base URL to use for the document
- * @encoding: the document encoding, or NULL
- * @options: a combination of htmlParserOption(s)
- *
- * parse an XML from a file descriptor and build a tree.
- *
- * Returns the resulting document tree
- */
-htmlDocPtr
-htmlReadFd(int fd, const char *URL, const char *encoding, int options)
-{
- htmlParserCtxtPtr ctxt;
- xmlParserInputBufferPtr input;
- xmlParserInputPtr stream;
-
- if (fd < 0)
- return (NULL);
- xmlInitParser();
-
- xmlInitParser();
- input = xmlParserInputBufferCreateFd(fd, XML_CHAR_ENCODING_NONE);
- if (input == NULL)
- return (NULL);
- ctxt = xmlNewParserCtxt();
- if (ctxt == NULL) {
- xmlFreeParserInputBuffer(input);
- return (NULL);
- }
- stream = xmlNewIOInputStream(ctxt, input, XML_CHAR_ENCODING_NONE);
- if (stream == NULL) {
- xmlFreeParserInputBuffer(input);
- xmlFreeParserCtxt(ctxt);
- return (NULL);
- }
- inputPush(ctxt, stream);
- return (htmlDoRead(ctxt, URL, encoding, options, 0));
-}
-
-/**
- * htmlReadIO:
- * @ioread: an I/O read function
- * @ioclose: an I/O close function
- * @ioctx: an I/O handler
- * @URL: the base URL to use for the document
- * @encoding: the document encoding, or NULL
- * @options: a combination of htmlParserOption(s)
- *
- * parse an HTML document from I/O functions and source and build a tree.
- *
- * Returns the resulting document tree
- */
-htmlDocPtr
-htmlReadIO(xmlInputReadCallback ioread, xmlInputCloseCallback ioclose,
- void *ioctx, const char *URL, const char *encoding, int options)
-{
- htmlParserCtxtPtr ctxt;
- xmlParserInputBufferPtr input;
- xmlParserInputPtr stream;
-
- if (ioread == NULL)
- return (NULL);
- xmlInitParser();
-
- input = xmlParserInputBufferCreateIO(ioread, ioclose, ioctx,
- XML_CHAR_ENCODING_NONE);
- if (input == NULL) {
- if (ioclose != NULL)
- ioclose(ioctx);
- return (NULL);
- }
- ctxt = htmlNewParserCtxt();
- if (ctxt == NULL) {
- xmlFreeParserInputBuffer(input);
- return (NULL);
- }
- stream = xmlNewIOInputStream(ctxt, input, XML_CHAR_ENCODING_NONE);
- if (stream == NULL) {
- xmlFreeParserInputBuffer(input);
- xmlFreeParserCtxt(ctxt);
- return (NULL);
- }
- inputPush(ctxt, stream);
- return (htmlDoRead(ctxt, URL, encoding, options, 0));
-}
-
-/**
- * htmlCtxtReadDoc:
- * @ctxt: an HTML parser context
- * @cur: a pointer to a zero terminated string
- * @URL: the base URL to use for the document
- * @encoding: the document encoding, or NULL
- * @options: a combination of htmlParserOption(s)
- *
- * parse an XML in-memory document and build a tree.
- * This reuses the existing @ctxt parser context
- *
- * Returns the resulting document tree
- */
-htmlDocPtr
-htmlCtxtReadDoc(htmlParserCtxtPtr ctxt, const xmlChar * cur,
- const char *URL, const char *encoding, int options)
-{
- xmlParserInputPtr stream;
-
- if (cur == NULL)
- return (NULL);
- if (ctxt == NULL)
- return (NULL);
- xmlInitParser();
-
- htmlCtxtReset(ctxt);
-
- stream = xmlNewStringInputStream(ctxt, cur);
- if (stream == NULL) {
- return (NULL);
- }
- inputPush(ctxt, stream);
- return (htmlDoRead(ctxt, URL, encoding, options, 1));
-}
-
-/**
- * htmlCtxtReadFile:
- * @ctxt: an HTML parser context
- * @filename: a file or URL
- * @encoding: the document encoding, or NULL
- * @options: a combination of htmlParserOption(s)
- *
- * parse an XML file from the filesystem or the network.
- * This reuses the existing @ctxt parser context
- *
- * Returns the resulting document tree
- */
-htmlDocPtr
-htmlCtxtReadFile(htmlParserCtxtPtr ctxt, const char *filename,
- const char *encoding, int options)
-{
- xmlParserInputPtr stream;
-
- if (filename == NULL)
- return (NULL);
- if (ctxt == NULL)
- return (NULL);
- xmlInitParser();
-
- htmlCtxtReset(ctxt);
-
- stream = xmlLoadExternalEntity(filename, NULL, ctxt);
- if (stream == NULL) {
- return (NULL);
- }
- inputPush(ctxt, stream);
- return (htmlDoRead(ctxt, NULL, encoding, options, 1));
-}
-
-/**
- * htmlCtxtReadMemory:
- * @ctxt: an HTML parser context
- * @buffer: a pointer to a char array
- * @size: the size of the array
- * @URL: the base URL to use for the document
- * @encoding: the document encoding, or NULL
- * @options: a combination of htmlParserOption(s)
- *
- * parse an XML in-memory document and build a tree.
- * This reuses the existing @ctxt parser context
- *
- * Returns the resulting document tree
- */
-htmlDocPtr
-htmlCtxtReadMemory(htmlParserCtxtPtr ctxt, const char *buffer, int size,
- const char *URL, const char *encoding, int options)
-{
- xmlParserInputBufferPtr input;
- xmlParserInputPtr stream;
-
- if (ctxt == NULL)
- return (NULL);
- if (buffer == NULL)
- return (NULL);
- xmlInitParser();
-
- htmlCtxtReset(ctxt);
-
- input = xmlParserInputBufferCreateMem(buffer, size, XML_CHAR_ENCODING_NONE);
- if (input == NULL) {
- return(NULL);
- }
-
- stream = xmlNewIOInputStream(ctxt, input, XML_CHAR_ENCODING_NONE);
- if (stream == NULL) {
- xmlFreeParserInputBuffer(input);
- return(NULL);
- }
-
- inputPush(ctxt, stream);
- return (htmlDoRead(ctxt, URL, encoding, options, 1));
-}
-
-/**
- * htmlCtxtReadFd:
- * @ctxt: an HTML parser context
- * @fd: an open file descriptor
- * @URL: the base URL to use for the document
- * @encoding: the document encoding, or NULL
- * @options: a combination of htmlParserOption(s)
- *
- * parse an XML from a file descriptor and build a tree.
- * This reuses the existing @ctxt parser context
- *
- * Returns the resulting document tree
- */
-htmlDocPtr
-htmlCtxtReadFd(htmlParserCtxtPtr ctxt, int fd,
- const char *URL, const char *encoding, int options)
-{
- xmlParserInputBufferPtr input;
- xmlParserInputPtr stream;
-
- if (fd < 0)
- return (NULL);
- if (ctxt == NULL)
- return (NULL);
- xmlInitParser();
-
- htmlCtxtReset(ctxt);
-
-
- input = xmlParserInputBufferCreateFd(fd, XML_CHAR_ENCODING_NONE);
- if (input == NULL)
- return (NULL);
- stream = xmlNewIOInputStream(ctxt, input, XML_CHAR_ENCODING_NONE);
- if (stream == NULL) {
- xmlFreeParserInputBuffer(input);
- return (NULL);
- }
- inputPush(ctxt, stream);
- return (htmlDoRead(ctxt, URL, encoding, options, 1));
-}
-
-/**
- * htmlCtxtReadIO:
- * @ctxt: an HTML parser context
- * @ioread: an I/O read function
- * @ioclose: an I/O close function
- * @ioctx: an I/O handler
- * @URL: the base URL to use for the document
- * @encoding: the document encoding, or NULL
- * @options: a combination of htmlParserOption(s)
- *
- * parse an HTML document from I/O functions and source and build a tree.
- * This reuses the existing @ctxt parser context
- *
- * Returns the resulting document tree
- */
-htmlDocPtr
-htmlCtxtReadIO(htmlParserCtxtPtr ctxt, xmlInputReadCallback ioread,
- xmlInputCloseCallback ioclose, void *ioctx,
- const char *URL,
- const char *encoding, int options)
-{
- xmlParserInputBufferPtr input;
- xmlParserInputPtr stream;
-
- if (ioread == NULL)
- return (NULL);
- if (ctxt == NULL)
- return (NULL);
- xmlInitParser();
-
- htmlCtxtReset(ctxt);
-
- input = xmlParserInputBufferCreateIO(ioread, ioclose, ioctx,
- XML_CHAR_ENCODING_NONE);
- if (input == NULL) {
- if (ioclose != NULL)
- ioclose(ioctx);
- return (NULL);
- }
- stream = xmlNewIOInputStream(ctxt, input, XML_CHAR_ENCODING_NONE);
- if (stream == NULL) {
- xmlFreeParserInputBuffer(input);
- return (NULL);
- }
- inputPush(ctxt, stream);
- return (htmlDoRead(ctxt, URL, encoding, options, 1));
-}
-
-#define bottom_HTMLparser
-#include "elfgcchack.h"
-#endif /* LIBXML_HTML_ENABLED */
diff --git a/HTMLtree.c b/HTMLtree.c
deleted file mode 100644
index 2fd0c9c..0000000
--- a/HTMLtree.c
+++ /dev/null
@@ -1,1281 +0,0 @@
-/*
- * HTMLtree.c : implementation of access function for an HTML tree.
- *
- * See Copyright for the status of this software.
- *
- * daniel@veillard.com
- */
-
-
-#define IN_LIBXML
-#include "libxml.h"
-#ifdef LIBXML_HTML_ENABLED
-
-#include <string.h> /* for memset() only ! */
-
-#ifdef HAVE_CTYPE_H
-#include <ctype.h>
-#endif
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-
-#include <libxml/xmlmemory.h>
-#include <libxml/HTMLparser.h>
-#include <libxml/HTMLtree.h>
-#include <libxml/entities.h>
-#include <libxml/valid.h>
-#include <libxml/xmlerror.h>
-#include <libxml/parserInternals.h>
-#include <libxml/globals.h>
-#include <libxml/uri.h>
-
-#include "buf.h"
-
-/************************************************************************
- * *
- * Getting/Setting encoding meta tags *
- * *
- ************************************************************************/
-
-/**
- * htmlGetMetaEncoding:
- * @doc: the document
- *
- * Encoding definition lookup in the Meta tags
- *
- * Returns the current encoding as flagged in the HTML source
- */
-const xmlChar *
-htmlGetMetaEncoding(htmlDocPtr doc) {
- htmlNodePtr cur;
- const xmlChar *content;
- const xmlChar *encoding;
-
- if (doc == NULL)
- return(NULL);
- cur = doc->children;
-
- /*
- * Search the html
- */
- while (cur != NULL) {
- if ((cur->type == XML_ELEMENT_NODE) && (cur->name != NULL)) {
- if (xmlStrEqual(cur->name, BAD_CAST"html"))
- break;
- if (xmlStrEqual(cur->name, BAD_CAST"head"))
- goto found_head;
- if (xmlStrEqual(cur->name, BAD_CAST"meta"))
- goto found_meta;
- }
- cur = cur->next;
- }
- if (cur == NULL)
- return(NULL);
- cur = cur->children;
-
- /*
- * Search the head
- */
- while (cur != NULL) {
- if ((cur->type == XML_ELEMENT_NODE) && (cur->name != NULL)) {
- if (xmlStrEqual(cur->name, BAD_CAST"head"))
- break;
- if (xmlStrEqual(cur->name, BAD_CAST"meta"))
- goto found_meta;
- }
- cur = cur->next;
- }
- if (cur == NULL)
- return(NULL);
-found_head:
- cur = cur->children;
-
- /*
- * Search the meta elements
- */
-found_meta:
- while (cur != NULL) {
- if ((cur->type == XML_ELEMENT_NODE) && (cur->name != NULL)) {
- if (xmlStrEqual(cur->name, BAD_CAST"meta")) {
- xmlAttrPtr attr = cur->properties;
- int http;
- const xmlChar *value;
-
- content = NULL;
- http = 0;
- while (attr != NULL) {
- if ((attr->children != NULL) &&
- (attr->children->type == XML_TEXT_NODE) &&
- (attr->children->next == NULL)) {
- value = attr->children->content;
- if ((!xmlStrcasecmp(attr->name, BAD_CAST"http-equiv"))
- && (!xmlStrcasecmp(value, BAD_CAST"Content-Type")))
- http = 1;
- else if ((value != NULL)
- && (!xmlStrcasecmp(attr->name, BAD_CAST"content")))
- content = value;
- if ((http != 0) && (content != NULL))
- goto found_content;
- }
- attr = attr->next;
- }
- }
- }
- cur = cur->next;
- }
- return(NULL);
-
-found_content:
- encoding = xmlStrstr(content, BAD_CAST"charset=");
- if (encoding == NULL)
- encoding = xmlStrstr(content, BAD_CAST"Charset=");
- if (encoding == NULL)
- encoding = xmlStrstr(content, BAD_CAST"CHARSET=");
- if (encoding != NULL) {
- encoding += 8;
- } else {
- encoding = xmlStrstr(content, BAD_CAST"charset =");
- if (encoding == NULL)
- encoding = xmlStrstr(content, BAD_CAST"Charset =");
- if (encoding == NULL)
- encoding = xmlStrstr(content, BAD_CAST"CHARSET =");
- if (encoding != NULL)
- encoding += 9;
- }
- if (encoding != NULL) {
- while ((*encoding == ' ') || (*encoding == '\t')) encoding++;
- }
- return(encoding);
-}
-
-/**
- * htmlSetMetaEncoding:
- * @doc: the document
- * @encoding: the encoding string
- *
- * Sets the current encoding in the Meta tags
- * NOTE: this will not change the document content encoding, just
- * the META flag associated.
- *
- * Returns 0 in case of success and -1 in case of error
- */
-int
-htmlSetMetaEncoding(htmlDocPtr doc, const xmlChar *encoding) {
- htmlNodePtr cur, meta = NULL, head = NULL;
- const xmlChar *content = NULL;
- char newcontent[100];
-
- newcontent[0] = 0;
-
- if (doc == NULL)
- return(-1);
-
- /* html isn't a real encoding it's just libxml2 way to get entities */
- if (!xmlStrcasecmp(encoding, BAD_CAST "html"))
- return(-1);
-
- if (encoding != NULL) {
- snprintf(newcontent, sizeof(newcontent), "text/html; charset=%s",
- (char *)encoding);
- newcontent[sizeof(newcontent) - 1] = 0;
- }
-
- cur = doc->children;
-
- /*
- * Search the html
- */
- while (cur != NULL) {
- if ((cur->type == XML_ELEMENT_NODE) && (cur->name != NULL)) {
- if (xmlStrcasecmp(cur->name, BAD_CAST"html") == 0)
- break;
- if (xmlStrcasecmp(cur->name, BAD_CAST"head") == 0)
- goto found_head;
- if (xmlStrcasecmp(cur->name, BAD_CAST"meta") == 0)
- goto found_meta;
- }
- cur = cur->next;
- }
- if (cur == NULL)
- return(-1);
- cur = cur->children;
-
- /*
- * Search the head
- */
- while (cur != NULL) {
- if ((cur->type == XML_ELEMENT_NODE) && (cur->name != NULL)) {
- if (xmlStrcasecmp(cur->name, BAD_CAST"head") == 0)
- break;
- if (xmlStrcasecmp(cur->name, BAD_CAST"meta") == 0) {
- head = cur->parent;
- goto found_meta;
- }
- }
- cur = cur->next;
- }
- if (cur == NULL)
- return(-1);
-found_head:
- head = cur;
- if (cur->children == NULL)
- goto create;
- cur = cur->children;
-
-found_meta:
- /*
- * Search and update all the remaining the meta elements carrying
- * encoding informations
- */
- while (cur != NULL) {
- if ((cur->type == XML_ELEMENT_NODE) && (cur->name != NULL)) {
- if (xmlStrcasecmp(cur->name, BAD_CAST"meta") == 0) {
- xmlAttrPtr attr = cur->properties;
- int http;
- const xmlChar *value;
-
- content = NULL;
- http = 0;
- while (attr != NULL) {
- if ((attr->children != NULL) &&
- (attr->children->type == XML_TEXT_NODE) &&
- (attr->children->next == NULL)) {
- value = attr->children->content;
- if ((!xmlStrcasecmp(attr->name, BAD_CAST"http-equiv"))
- && (!xmlStrcasecmp(value, BAD_CAST"Content-Type")))
- http = 1;
- else
- {
- if ((value != NULL) &&
- (!xmlStrcasecmp(attr->name, BAD_CAST"content")))
- content = value;
- }
- if ((http != 0) && (content != NULL))
- break;
- }
- attr = attr->next;
- }
- if ((http != 0) && (content != NULL)) {
- meta = cur;
- break;
- }
-
- }
- }
- cur = cur->next;
- }
-create:
- if (meta == NULL) {
- if ((encoding != NULL) && (head != NULL)) {
- /*
- * Create a new Meta element with the right attributes
- */
-
- meta = xmlNewDocNode(doc, NULL, BAD_CAST"meta", NULL);
- if (head->children == NULL)
- xmlAddChild(head, meta);
- else
- xmlAddPrevSibling(head->children, meta);
- xmlNewProp(meta, BAD_CAST"http-equiv", BAD_CAST"Content-Type");
- xmlNewProp(meta, BAD_CAST"content", BAD_CAST newcontent);
- }
- } else {
- /* remove the meta tag if NULL is passed */
- if (encoding == NULL) {
- xmlUnlinkNode(meta);
- xmlFreeNode(meta);
- }
- /* change the document only if there is a real encoding change */
- else if (xmlStrcasestr(content, encoding) == NULL) {
- xmlSetProp(meta, BAD_CAST"content", BAD_CAST newcontent);
- }
- }
-
-
- return(0);
-}
-
-/**
- * booleanHTMLAttrs:
- *
- * These are the HTML attributes which will be output
- * in minimized form, i.e. <option selected="selected"> will be
- * output as <option selected>, as per XSLT 1.0 16.2 "HTML Output Method"
- *
- */
-static const char* htmlBooleanAttrs[] = {
- "checked", "compact", "declare", "defer", "disabled", "ismap",
- "multiple", "nohref", "noresize", "noshade", "nowrap", "readonly",
- "selected", NULL
-};
-
-
-/**
- * htmlIsBooleanAttr:
- * @name: the name of the attribute to check
- *
- * Determine if a given attribute is a boolean attribute.
- *
- * returns: false if the attribute is not boolean, true otherwise.
- */
-int
-htmlIsBooleanAttr(const xmlChar *name)
-{
- int i = 0;
-
- while (htmlBooleanAttrs[i] != NULL) {
- if (xmlStrcasecmp((const xmlChar *)htmlBooleanAttrs[i], name) == 0)
- return 1;
- i++;
- }
- return 0;
-}
-
-#ifdef LIBXML_OUTPUT_ENABLED
-/*
- * private routine exported from xmlIO.c
- */
-xmlOutputBufferPtr
-xmlAllocOutputBufferInternal(xmlCharEncodingHandlerPtr encoder);
-/************************************************************************
- * *
- * Output error handlers *
- * *
- ************************************************************************/
-/**
- * htmlSaveErrMemory:
- * @extra: extra informations
- *
- * Handle an out of memory condition
- */
-static void
-htmlSaveErrMemory(const char *extra)
-{
- __xmlSimpleError(XML_FROM_OUTPUT, XML_ERR_NO_MEMORY, NULL, NULL, extra);
-}
-
-/**
- * htmlSaveErr:
- * @code: the error number
- * @node: the location of the error.
- * @extra: extra informations
- *
- * Handle an out of memory condition
- */
-static void
-htmlSaveErr(int code, xmlNodePtr node, const char *extra)
-{
- const char *msg = NULL;
-
- switch(code) {
- case XML_SAVE_NOT_UTF8:
- msg = "string is not in UTF-8\n";
- break;
- case XML_SAVE_CHAR_INVALID:
- msg = "invalid character value\n";
- break;
- case XML_SAVE_UNKNOWN_ENCODING:
- msg = "unknown encoding %s\n";
- break;
- case XML_SAVE_NO_DOCTYPE:
- msg = "HTML has no DOCTYPE\n";
- break;
- default:
- msg = "unexpected error number\n";
- }
- __xmlSimpleError(XML_FROM_OUTPUT, code, node, msg, extra);
-}
-
-/************************************************************************
- * *
- * Dumping HTML tree content to a simple buffer *
- * *
- ************************************************************************/
-
-/**
- * htmlBufNodeDumpFormat:
- * @buf: the xmlBufPtr output
- * @doc: the document
- * @cur: the current node
- * @format: should formatting spaces been added
- *
- * Dump an HTML node, recursive behaviour,children are printed too.
- *
- * Returns the number of byte written or -1 in case of error
- */
-static size_t
-htmlBufNodeDumpFormat(xmlBufPtr buf, xmlDocPtr doc, xmlNodePtr cur,
- int format) {
- size_t use;
- int ret;
- xmlOutputBufferPtr outbuf;
-
- if (cur == NULL) {
- return (-1);
- }
- if (buf == NULL) {
- return (-1);
- }
- outbuf = (xmlOutputBufferPtr) xmlMalloc(sizeof(xmlOutputBuffer));
- if (outbuf == NULL) {
- htmlSaveErrMemory("allocating HTML output buffer");
- return (-1);
- }
- memset(outbuf, 0, (size_t) sizeof(xmlOutputBuffer));
- outbuf->buffer = buf;
- outbuf->encoder = NULL;
- outbuf->writecallback = NULL;
- outbuf->closecallback = NULL;
- outbuf->context = NULL;
- outbuf->written = 0;
-
- use = xmlBufUse(buf);
- htmlNodeDumpFormatOutput(outbuf, doc, cur, NULL, format);
- xmlFree(outbuf);
- ret = xmlBufUse(buf) - use;
- return (ret);
-}
-
-/**
- * htmlNodeDump:
- * @buf: the HTML buffer output
- * @doc: the document
- * @cur: the current node
- *
- * Dump an HTML node, recursive behaviour,children are printed too,
- * and formatting returns are added.
- *
- * Returns the number of byte written or -1 in case of error
- */
-int
-htmlNodeDump(xmlBufferPtr buf, xmlDocPtr doc, xmlNodePtr cur) {
- xmlBufPtr buffer;
- size_t ret;
-
- if ((buf == NULL) || (cur == NULL))
- return(-1);
-
- xmlInitParser();
- buffer = xmlBufFromBuffer(buf);
- if (buffer == NULL)
- return(-1);
-
- ret = htmlBufNodeDumpFormat(buffer, doc, cur, 1);
-
- xmlBufBackToBuffer(buffer);
-
- if (ret > INT_MAX)
- return(-1);
- return((int) ret);
-}
-
-/**
- * htmlNodeDumpFileFormat:
- * @out: the FILE pointer
- * @doc: the document
- * @cur: the current node
- * @encoding: the document encoding
- * @format: should formatting spaces been added
- *
- * Dump an HTML node, recursive behaviour,children are printed too.
- *
- * TODO: if encoding == NULL try to save in the doc encoding
- *
- * returns: the number of byte written or -1 in case of failure.
- */
-int
-htmlNodeDumpFileFormat(FILE *out, xmlDocPtr doc,
- xmlNodePtr cur, const char *encoding, int format) {
- xmlOutputBufferPtr buf;
- xmlCharEncodingHandlerPtr handler = NULL;
- int ret;
-
- xmlInitParser();
-
- if (encoding != NULL) {
- xmlCharEncoding enc;
-
- enc = xmlParseCharEncoding(encoding);
- if (enc != XML_CHAR_ENCODING_UTF8) {
- handler = xmlFindCharEncodingHandler(encoding);
- if (handler == NULL)
- htmlSaveErr(XML_SAVE_UNKNOWN_ENCODING, NULL, encoding);
- }
- }
-
- /*
- * Fallback to HTML or ASCII when the encoding is unspecified
- */
- if (handler == NULL)
- handler = xmlFindCharEncodingHandler("HTML");
- if (handler == NULL)
- handler = xmlFindCharEncodingHandler("ascii");
-
- /*
- * save the content to a temp buffer.
- */
- buf = xmlOutputBufferCreateFile(out, handler);
- if (buf == NULL) return(0);
-
- htmlNodeDumpFormatOutput(buf, doc, cur, encoding, format);
-
- ret = xmlOutputBufferClose(buf);
- return(ret);
-}
-
-/**
- * htmlNodeDumpFile:
- * @out: the FILE pointer
- * @doc: the document
- * @cur: the current node
- *
- * Dump an HTML node, recursive behaviour,children are printed too,
- * and formatting returns are added.
- */
-void
-htmlNodeDumpFile(FILE *out, xmlDocPtr doc, xmlNodePtr cur) {
- htmlNodeDumpFileFormat(out, doc, cur, NULL, 1);
-}
-
-/**
- * htmlDocDumpMemoryFormat:
- * @cur: the document
- * @mem: OUT: the memory pointer
- * @size: OUT: the memory length
- * @format: should formatting spaces been added
- *
- * Dump an HTML document in memory and return the xmlChar * and it's size.
- * It's up to the caller to free the memory.
- */
-void
-htmlDocDumpMemoryFormat(xmlDocPtr cur, xmlChar**mem, int *size, int format) {
- xmlOutputBufferPtr buf;
- xmlCharEncodingHandlerPtr handler = NULL;
- const char *encoding;
-
- xmlInitParser();
-
- if ((mem == NULL) || (size == NULL))
- return;
- if (cur == NULL) {
- *mem = NULL;
- *size = 0;
- return;
- }
-
- encoding = (const char *) htmlGetMetaEncoding(cur);
-
- if (encoding != NULL) {
- xmlCharEncoding enc;
-
- enc = xmlParseCharEncoding(encoding);
- if (enc != cur->charset) {
- if (cur->charset != XML_CHAR_ENCODING_UTF8) {
- /*
- * Not supported yet
- */
- *mem = NULL;
- *size = 0;
- return;
- }
-
- handler = xmlFindCharEncodingHandler(encoding);
- if (handler == NULL)
- htmlSaveErr(XML_SAVE_UNKNOWN_ENCODING, NULL, encoding);
-
- } else {
- handler = xmlFindCharEncodingHandler(encoding);
- }
- }
-
- /*
- * Fallback to HTML or ASCII when the encoding is unspecified
- */
- if (handler == NULL)
- handler = xmlFindCharEncodingHandler("HTML");
- if (handler == NULL)
- handler = xmlFindCharEncodingHandler("ascii");
-
- buf = xmlAllocOutputBufferInternal(handler);
- if (buf == NULL) {
- *mem = NULL;
- *size = 0;
- return;
- }
-
- htmlDocContentDumpFormatOutput(buf, cur, NULL, format);
-
- xmlOutputBufferFlush(buf);
- if (buf->conv != NULL) {
- *size = xmlBufUse(buf->conv);
- *mem = xmlStrndup(xmlBufContent(buf->conv), *size);
- } else {
- *size = xmlBufUse(buf->buffer);
- *mem = xmlStrndup(xmlBufContent(buf->buffer), *size);
- }
- (void)xmlOutputBufferClose(buf);
-}
-
-/**
- * htmlDocDumpMemory:
- * @cur: the document
- * @mem: OUT: the memory pointer
- * @size: OUT: the memory length
- *
- * Dump an HTML document in memory and return the xmlChar * and it's size.
- * It's up to the caller to free the memory.
- */
-void
-htmlDocDumpMemory(xmlDocPtr cur, xmlChar**mem, int *size) {
- htmlDocDumpMemoryFormat(cur, mem, size, 1);
-}
-
-
-/************************************************************************
- * *
- * Dumping HTML tree content to an I/O output buffer *
- * *
- ************************************************************************/
-
-void xmlNsListDumpOutput(xmlOutputBufferPtr buf, xmlNsPtr cur);
-
-/**
- * htmlDtdDumpOutput:
- * @buf: the HTML buffer output
- * @doc: the document
- * @encoding: the encoding string
- *
- * TODO: check whether encoding is needed
- *
- * Dump the HTML document DTD, if any.
- */
-static void
-htmlDtdDumpOutput(xmlOutputBufferPtr buf, xmlDocPtr doc,
- const char *encoding ATTRIBUTE_UNUSED) {
- xmlDtdPtr cur = doc->intSubset;
-
- if (cur == NULL) {
- htmlSaveErr(XML_SAVE_NO_DOCTYPE, (xmlNodePtr) doc, NULL);
- return;
- }
- xmlOutputBufferWriteString(buf, "<!DOCTYPE ");
- xmlOutputBufferWriteString(buf, (const char *)cur->name);
- if (cur->ExternalID != NULL) {
- xmlOutputBufferWriteString(buf, " PUBLIC ");
- xmlBufWriteQuotedString(buf->buffer, cur->ExternalID);
- if (cur->SystemID != NULL) {
- xmlOutputBufferWriteString(buf, " ");
- xmlBufWriteQuotedString(buf->buffer, cur->SystemID);
- }
- } else if (cur->SystemID != NULL &&
- xmlStrcmp(cur->SystemID, BAD_CAST "about:legacy-compat")) {
- xmlOutputBufferWriteString(buf, " SYSTEM ");
- xmlBufWriteQuotedString(buf->buffer, cur->SystemID);
- }
- xmlOutputBufferWriteString(buf, ">\n");
-}
-
-/**
- * htmlAttrDumpOutput:
- * @buf: the HTML buffer output
- * @doc: the document
- * @cur: the attribute pointer
- * @encoding: the encoding string
- *
- * Dump an HTML attribute
- */
-static void
-htmlAttrDumpOutput(xmlOutputBufferPtr buf, xmlDocPtr doc, xmlAttrPtr cur,
- const char *encoding ATTRIBUTE_UNUSED) {
- xmlChar *value;
-
- /*
- * The html output method should not escape a & character
- * occurring in an attribute value immediately followed by
- * a { character (see Section B.7.1 of the HTML 4.0 Recommendation).
- * This is implemented in xmlEncodeEntitiesReentrant
- */
-
- if (cur == NULL) {
- return;
- }
- xmlOutputBufferWriteString(buf, " ");
- if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) {
- xmlOutputBufferWriteString(buf, (const char *)cur->ns->prefix);
- xmlOutputBufferWriteString(buf, ":");
- }
- xmlOutputBufferWriteString(buf, (const char *)cur->name);
- if ((cur->children != NULL) && (!htmlIsBooleanAttr(cur->name))) {
- value = xmlNodeListGetString(doc, cur->children, 0);
- if (value) {
- xmlOutputBufferWriteString(buf, "=");
- if ((cur->ns == NULL) && (cur->parent != NULL) &&
- (cur->parent->ns == NULL) &&
- ((!xmlStrcasecmp(cur->name, BAD_CAST "href")) ||
- (!xmlStrcasecmp(cur->name, BAD_CAST "action")) ||
- (!xmlStrcasecmp(cur->name, BAD_CAST "src")) ||
- ((!xmlStrcasecmp(cur->name, BAD_CAST "name")) &&
- (!xmlStrcasecmp(cur->parent->name, BAD_CAST "a"))))) {
- xmlChar *tmp = value;
- /* xmlURIEscapeStr() escapes '"' so it can be safely used. */
- xmlBufCCat(buf->buffer, "\"");
-
- while (IS_BLANK_CH(*tmp)) tmp++;
-
- /* URI Escape everything, except server side includes. */
- for ( ; ; ) {
- xmlChar *escaped;
- xmlChar endChar;
- xmlChar *end = NULL;
- xmlChar *start = (xmlChar *)xmlStrstr(tmp, BAD_CAST "<!--");
- if (start != NULL) {
- end = (xmlChar *)xmlStrstr(tmp, BAD_CAST "-->");
- if (end != NULL) {
- *start = '\0';
- }
- }
-
- /* Escape the whole string, or until start (set to '\0'). */
- escaped = xmlURIEscapeStr(tmp, BAD_CAST"@/:=?;#%&,+");
- if (escaped != NULL) {
- xmlBufCat(buf->buffer, escaped);
- xmlFree(escaped);
- } else {
- xmlBufCat(buf->buffer, tmp);
- }
-
- if (end == NULL) { /* Everything has been written. */
- break;
- }
-
- /* Do not escape anything within server side includes. */
- *start = '<'; /* Restore the first character of "<!--". */
- end += 3; /* strlen("-->") */
- endChar = *end;
- *end = '\0';
- xmlBufCat(buf->buffer, start);
- *end = endChar;
- tmp = end;
- }
-
- xmlBufCCat(buf->buffer, "\"");
- } else {
- xmlBufWriteQuotedString(buf->buffer, value);
- }
- xmlFree(value);
- } else {
- xmlOutputBufferWriteString(buf, "=\"\"");
- }
- }
-}
-
-/**
- * htmlAttrListDumpOutput:
- * @buf: the HTML buffer output
- * @doc: the document
- * @cur: the first attribute pointer
- * @encoding: the encoding string
- *
- * Dump a list of HTML attributes
- */
-static void
-htmlAttrListDumpOutput(xmlOutputBufferPtr buf, xmlDocPtr doc, xmlAttrPtr cur, const char *encoding) {
- if (cur == NULL) {
- return;
- }
- while (cur != NULL) {
- htmlAttrDumpOutput(buf, doc, cur, encoding);
- cur = cur->next;
- }
-}
-
-
-
-/**
- * htmlNodeListDumpOutput:
- * @buf: the HTML buffer output
- * @doc: the document
- * @cur: the first node
- * @encoding: the encoding string
- * @format: should formatting spaces been added
- *
- * Dump an HTML node list, recursive behaviour,children are printed too.
- */
-static void
-htmlNodeListDumpOutput(xmlOutputBufferPtr buf, xmlDocPtr doc,
- xmlNodePtr cur, const char *encoding, int format) {
- if (cur == NULL) {
- return;
- }
- while (cur != NULL) {
- htmlNodeDumpFormatOutput(buf, doc, cur, encoding, format);
- cur = cur->next;
- }
-}
-
-/**
- * htmlNodeDumpFormatOutput:
- * @buf: the HTML buffer output
- * @doc: the document
- * @cur: the current node
- * @encoding: the encoding string
- * @format: should formatting spaces been added
- *
- * Dump an HTML node, recursive behaviour,children are printed too.
- */
-void
-htmlNodeDumpFormatOutput(xmlOutputBufferPtr buf, xmlDocPtr doc,
- xmlNodePtr cur, const char *encoding, int format) {
- const htmlElemDesc * info;
-
- xmlInitParser();
-
- if ((cur == NULL) || (buf == NULL)) {
- return;
- }
- /*
- * Special cases.
- */
- if (cur->type == XML_DTD_NODE)
- return;
- if ((cur->type == XML_HTML_DOCUMENT_NODE) ||
- (cur->type == XML_DOCUMENT_NODE)){
- htmlDocContentDumpOutput(buf, (xmlDocPtr) cur, encoding);
- return;
- }
- if (cur->type == XML_ATTRIBUTE_NODE) {
- htmlAttrDumpOutput(buf, doc, (xmlAttrPtr) cur, encoding);
- return;
- }
- if (cur->type == HTML_TEXT_NODE) {
- if (cur->content != NULL) {
- if (((cur->name == (const xmlChar *)xmlStringText) ||
- (cur->name != (const xmlChar *)xmlStringTextNoenc)) &&
- ((cur->parent == NULL) ||
- ((xmlStrcasecmp(cur->parent->name, BAD_CAST "script")) &&
- (xmlStrcasecmp(cur->parent->name, BAD_CAST "style"))))) {
- xmlChar *buffer;
-
- buffer = xmlEncodeEntitiesReentrant(doc, cur->content);
- if (buffer != NULL) {
- xmlOutputBufferWriteString(buf, (const char *)buffer);
- xmlFree(buffer);
- }
- } else {
- xmlOutputBufferWriteString(buf, (const char *)cur->content);
- }
- }
- return;
- }
- if (cur->type == HTML_COMMENT_NODE) {
- if (cur->content != NULL) {
- xmlOutputBufferWriteString(buf, "<!--");
- xmlOutputBufferWriteString(buf, (const char *)cur->content);
- xmlOutputBufferWriteString(buf, "-->");
- }
- return;
- }
- if (cur->type == HTML_PI_NODE) {
- if (cur->name == NULL)
- return;
- xmlOutputBufferWriteString(buf, "<?");
- xmlOutputBufferWriteString(buf, (const char *)cur->name);
- if (cur->content != NULL) {
- xmlOutputBufferWriteString(buf, " ");
- xmlOutputBufferWriteString(buf, (const char *)cur->content);
- }
- xmlOutputBufferWriteString(buf, ">");
- return;
- }
- if (cur->type == HTML_ENTITY_REF_NODE) {
- xmlOutputBufferWriteString(buf, "&");
- xmlOutputBufferWriteString(buf, (const char *)cur->name);
- xmlOutputBufferWriteString(buf, ";");
- return;
- }
- if (cur->type == HTML_PRESERVE_NODE) {
- if (cur->content != NULL) {
- xmlOutputBufferWriteString(buf, (const char *)cur->content);
- }
- return;
- }
-
- /*
- * Get specific HTML info for that node.
- */
- if (cur->ns == NULL)
- info = htmlTagLookup(cur->name);
- else
- info = NULL;
-
- xmlOutputBufferWriteString(buf, "<");
- if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) {
- xmlOutputBufferWriteString(buf, (const char *)cur->ns->prefix);
- xmlOutputBufferWriteString(buf, ":");
- }
- xmlOutputBufferWriteString(buf, (const char *)cur->name);
- if (cur->nsDef)
- xmlNsListDumpOutput(buf, cur->nsDef);
- if (cur->properties != NULL)
- htmlAttrListDumpOutput(buf, doc, cur->properties, encoding);
-
- if ((info != NULL) && (info->empty)) {
- xmlOutputBufferWriteString(buf, ">");
- if ((format) && (!info->isinline) && (cur->next != NULL)) {
- if ((cur->next->type != HTML_TEXT_NODE) &&
- (cur->next->type != HTML_ENTITY_REF_NODE) &&
- (cur->parent != NULL) &&
- (cur->parent->name != NULL) &&
- (cur->parent->name[0] != 'p')) /* p, pre, param */
- xmlOutputBufferWriteString(buf, "\n");
- }
- return;
- }
- if (((cur->type == XML_ELEMENT_NODE) || (cur->content == NULL)) &&
- (cur->children == NULL)) {
- if ((info != NULL) && (info->saveEndTag != 0) &&
- (xmlStrcmp(BAD_CAST info->name, BAD_CAST "html")) &&
- (xmlStrcmp(BAD_CAST info->name, BAD_CAST "body"))) {
- xmlOutputBufferWriteString(buf, ">");
- } else {
- xmlOutputBufferWriteString(buf, "></");
- if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) {
- xmlOutputBufferWriteString(buf, (const char *)cur->ns->prefix);
- xmlOutputBufferWriteString(buf, ":");
- }
- xmlOutputBufferWriteString(buf, (const char *)cur->name);
- xmlOutputBufferWriteString(buf, ">");
- }
- if ((format) && (cur->next != NULL) &&
- (info != NULL) && (!info->isinline)) {
- if ((cur->next->type != HTML_TEXT_NODE) &&
- (cur->next->type != HTML_ENTITY_REF_NODE) &&
- (cur->parent != NULL) &&
- (cur->parent->name != NULL) &&
- (cur->parent->name[0] != 'p')) /* p, pre, param */
- xmlOutputBufferWriteString(buf, "\n");
- }
- return;
- }
- xmlOutputBufferWriteString(buf, ">");
- if ((cur->type != XML_ELEMENT_NODE) &&
- (cur->content != NULL)) {
- /*
- * Uses the OutputBuffer property to automatically convert
- * invalids to charrefs
- */
-
- xmlOutputBufferWriteString(buf, (const char *) cur->content);
- }
- if (cur->children != NULL) {
- if ((format) && (info != NULL) && (!info->isinline) &&
- (cur->children->type != HTML_TEXT_NODE) &&
- (cur->children->type != HTML_ENTITY_REF_NODE) &&
- (cur->children != cur->last) &&
- (cur->name != NULL) &&
- (cur->name[0] != 'p')) /* p, pre, param */
- xmlOutputBufferWriteString(buf, "\n");
- htmlNodeListDumpOutput(buf, doc, cur->children, encoding, format);
- if ((format) && (info != NULL) && (!info->isinline) &&
- (cur->last->type != HTML_TEXT_NODE) &&
- (cur->last->type != HTML_ENTITY_REF_NODE) &&
- (cur->children != cur->last) &&
- (cur->name != NULL) &&
- (cur->name[0] != 'p')) /* p, pre, param */
- xmlOutputBufferWriteString(buf, "\n");
- }
- xmlOutputBufferWriteString(buf, "</");
- if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) {
- xmlOutputBufferWriteString(buf, (const char *)cur->ns->prefix);
- xmlOutputBufferWriteString(buf, ":");
- }
- xmlOutputBufferWriteString(buf, (const char *)cur->name);
- xmlOutputBufferWriteString(buf, ">");
- if ((format) && (info != NULL) && (!info->isinline) &&
- (cur->next != NULL)) {
- if ((cur->next->type != HTML_TEXT_NODE) &&
- (cur->next->type != HTML_ENTITY_REF_NODE) &&
- (cur->parent != NULL) &&
- (cur->parent->name != NULL) &&
- (cur->parent->name[0] != 'p')) /* p, pre, param */
- xmlOutputBufferWriteString(buf, "\n");
- }
-}
-
-/**
- * htmlNodeDumpOutput:
- * @buf: the HTML buffer output
- * @doc: the document
- * @cur: the current node
- * @encoding: the encoding string
- *
- * Dump an HTML node, recursive behaviour,children are printed too,
- * and formatting returns/spaces are added.
- */
-void
-htmlNodeDumpOutput(xmlOutputBufferPtr buf, xmlDocPtr doc,
- xmlNodePtr cur, const char *encoding) {
- htmlNodeDumpFormatOutput(buf, doc, cur, encoding, 1);
-}
-
-/**
- * htmlDocContentDumpFormatOutput:
- * @buf: the HTML buffer output
- * @cur: the document
- * @encoding: the encoding string
- * @format: should formatting spaces been added
- *
- * Dump an HTML document.
- */
-void
-htmlDocContentDumpFormatOutput(xmlOutputBufferPtr buf, xmlDocPtr cur,
- const char *encoding, int format) {
- int type;
-
- xmlInitParser();
-
- if ((buf == NULL) || (cur == NULL))
- return;
-
- /*
- * force to output the stuff as HTML, especially for entities
- */
- type = cur->type;
- cur->type = XML_HTML_DOCUMENT_NODE;
- if (cur->intSubset != NULL) {
- htmlDtdDumpOutput(buf, cur, NULL);
- }
- if (cur->children != NULL) {
- htmlNodeListDumpOutput(buf, cur, cur->children, encoding, format);
- }
- xmlOutputBufferWriteString(buf, "\n");
- cur->type = (xmlElementType) type;
-}
-
-/**
- * htmlDocContentDumpOutput:
- * @buf: the HTML buffer output
- * @cur: the document
- * @encoding: the encoding string
- *
- * Dump an HTML document. Formating return/spaces are added.
- */
-void
-htmlDocContentDumpOutput(xmlOutputBufferPtr buf, xmlDocPtr cur,
- const char *encoding) {
- htmlDocContentDumpFormatOutput(buf, cur, encoding, 1);
-}
-
-/************************************************************************
- * *
- * Saving functions front-ends *
- * *
- ************************************************************************/
-
-/**
- * htmlDocDump:
- * @f: the FILE*
- * @cur: the document
- *
- * Dump an HTML document to an open FILE.
- *
- * returns: the number of byte written or -1 in case of failure.
- */
-int
-htmlDocDump(FILE *f, xmlDocPtr cur) {
- xmlOutputBufferPtr buf;
- xmlCharEncodingHandlerPtr handler = NULL;
- const char *encoding;
- int ret;
-
- xmlInitParser();
-
- if ((cur == NULL) || (f == NULL)) {
- return(-1);
- }
-
- encoding = (const char *) htmlGetMetaEncoding(cur);
-
- if (encoding != NULL) {
- xmlCharEncoding enc;
-
- enc = xmlParseCharEncoding(encoding);
- if (enc != cur->charset) {
- if (cur->charset != XML_CHAR_ENCODING_UTF8) {
- /*
- * Not supported yet
- */
- return(-1);
- }
-
- handler = xmlFindCharEncodingHandler(encoding);
- if (handler == NULL)
- htmlSaveErr(XML_SAVE_UNKNOWN_ENCODING, NULL, encoding);
- } else {
- handler = xmlFindCharEncodingHandler(encoding);
- }
- }
-
- /*
- * Fallback to HTML or ASCII when the encoding is unspecified
- */
- if (handler == NULL)
- handler = xmlFindCharEncodingHandler("HTML");
- if (handler == NULL)
- handler = xmlFindCharEncodingHandler("ascii");
-
- buf = xmlOutputBufferCreateFile(f, handler);
- if (buf == NULL) return(-1);
- htmlDocContentDumpOutput(buf, cur, NULL);
-
- ret = xmlOutputBufferClose(buf);
- return(ret);
-}
-
-/**
- * htmlSaveFile:
- * @filename: the filename (or URL)
- * @cur: the document
- *
- * Dump an HTML document to a file. If @filename is "-" the stdout file is
- * used.
- * returns: the number of byte written or -1 in case of failure.
- */
-int
-htmlSaveFile(const char *filename, xmlDocPtr cur) {
- xmlOutputBufferPtr buf;
- xmlCharEncodingHandlerPtr handler = NULL;
- const char *encoding;
- int ret;
-
- if ((cur == NULL) || (filename == NULL))
- return(-1);
-
- xmlInitParser();
-
- encoding = (const char *) htmlGetMetaEncoding(cur);
-
- if (encoding != NULL) {
- xmlCharEncoding enc;
-
- enc = xmlParseCharEncoding(encoding);
- if (enc != cur->charset) {
- if (cur->charset != XML_CHAR_ENCODING_UTF8) {
- /*
- * Not supported yet
- */
- return(-1);
- }
-
- handler = xmlFindCharEncodingHandler(encoding);
- if (handler == NULL)
- htmlSaveErr(XML_SAVE_UNKNOWN_ENCODING, NULL, encoding);
- }
- }
-
- /*
- * Fallback to HTML or ASCII when the encoding is unspecified
- */
- if (handler == NULL)
- handler = xmlFindCharEncodingHandler("HTML");
- if (handler == NULL)
- handler = xmlFindCharEncodingHandler("ascii");
-
- /*
- * save the content to a temp buffer.
- */
- buf = xmlOutputBufferCreateFilename(filename, handler, cur->compression);
- if (buf == NULL) return(0);
-
- htmlDocContentDumpOutput(buf, cur, NULL);
-
- ret = xmlOutputBufferClose(buf);
- return(ret);
-}
-
-/**
- * htmlSaveFileFormat:
- * @filename: the filename
- * @cur: the document
- * @format: should formatting spaces been added
- * @encoding: the document encoding
- *
- * Dump an HTML document to a file using a given encoding.
- *
- * returns: the number of byte written or -1 in case of failure.
- */
-int
-htmlSaveFileFormat(const char *filename, xmlDocPtr cur,
- const char *encoding, int format) {
- xmlOutputBufferPtr buf;
- xmlCharEncodingHandlerPtr handler = NULL;
- int ret;
-
- if ((cur == NULL) || (filename == NULL))
- return(-1);
-
- xmlInitParser();
-
- if (encoding != NULL) {
- xmlCharEncoding enc;
-
- enc = xmlParseCharEncoding(encoding);
- if (enc != cur->charset) {
- if (cur->charset != XML_CHAR_ENCODING_UTF8) {
- /*
- * Not supported yet
- */
- return(-1);
- }
-
- handler = xmlFindCharEncodingHandler(encoding);
- if (handler == NULL)
- htmlSaveErr(XML_SAVE_UNKNOWN_ENCODING, NULL, encoding);
- }
- htmlSetMetaEncoding(cur, (const xmlChar *) encoding);
- } else {
- htmlSetMetaEncoding(cur, (const xmlChar *) "UTF-8");
- }
-
- /*
- * Fallback to HTML or ASCII when the encoding is unspecified
- */
- if (handler == NULL)
- handler = xmlFindCharEncodingHandler("HTML");
- if (handler == NULL)
- handler = xmlFindCharEncodingHandler("ascii");
-
- /*
- * save the content to a temp buffer.
- */
- buf = xmlOutputBufferCreateFilename(filename, handler, 0);
- if (buf == NULL) return(0);
-
- htmlDocContentDumpFormatOutput(buf, cur, encoding, format);
-
- ret = xmlOutputBufferClose(buf);
- return(ret);
-}
-
-/**
- * htmlSaveFileEnc:
- * @filename: the filename
- * @cur: the document
- * @encoding: the document encoding
- *
- * Dump an HTML document to a file using a given encoding
- * and formatting returns/spaces are added.
- *
- * returns: the number of byte written or -1 in case of failure.
- */
-int
-htmlSaveFileEnc(const char *filename, xmlDocPtr cur, const char *encoding) {
- return(htmlSaveFileFormat(filename, cur, encoding, 1));
-}
-
-#endif /* LIBXML_OUTPUT_ENABLED */
-
-#define bottom_HTMLtree
-#include "elfgcchack.h"
-#endif /* LIBXML_HTML_ENABLED */
diff --git a/include/libxml/xmlversion.h b/include/libxml/xmlversion.h
index 4e408a9..c8163c6 100644
--- a/include/libxml/xmlversion.h
+++ b/include/libxml/xmlversion.h
@@ -201,7 +201,12 @@
*
* Whether the HTML support is configured in
*/
-#if 1
+// BEGIN android-changed
+// Was: #if 1
+// HTML support has security vulnerabilities (b/27338391)
+// and is not needed in Android.
+#if 0
+// END android-changed
#define LIBXML_HTML_ENABLED
#endif
