| /* $NetBSD: chartype.h,v 1.10 2011/11/16 01:45:10 christos Exp $ */ |
| |
| /*- |
| * Copyright (c) 2009 The NetBSD Foundation, Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. All advertising materials mentioning features or use of this software |
| * must display the following acknowledgement: |
| * This product includes software developed by the NetBSD |
| * Foundation, Inc. and its contributors. |
| * 4. Neither the name of The NetBSD Foundation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef _h_chartype_f |
| #define _h_chartype_f |
| |
| |
| |
| #ifdef WIDECHAR |
| |
| /* Ideally we should also test the value of the define to see if it |
| * supports non-BMP code points without requiring UTF-16, but nothing |
| * seems to actually advertise this properly, despite Unicode 3.1 having |
| * been around since 2001... */ |
| #if !defined(__NetBSD__) && !defined(__sun) && !(defined(__APPLE__) && defined(__MACH__)) |
| #ifndef __STDC_ISO_10646__ |
| /* In many places it is assumed that the first 127 code points are ASCII |
| * compatible, so ensure wchar_t indeed does ISO 10646 and not some other |
| * funky encoding that could break us in weird and wonderful ways. */ |
| #error wchar_t must store ISO 10646 characters |
| #endif |
| #endif |
| |
| /* Oh for a <uchar.h> with char32_t and __STDC_UTF_32__ in it... |
| * ref: ISO/IEC DTR 19769 |
| */ |
| #if WCHAR_MAX < INT32_MAX |
| #warning Build environment does not support non-BMP characters |
| #endif |
| |
| #ifndef HAVE_WCSDUP |
| wchar_t *wcsdup(const wchar_t *s); |
| #endif |
| |
| #define ct_mbtowc mbtowc |
| #define ct_mbtowc_reset mbtowc(0,0,(size_t)0) |
| #define ct_wctomb wctomb |
| #define ct_wctomb_reset wctomb(0,0) |
| #define ct_wcstombs wcstombs |
| #define ct_mbstowcs mbstowcs |
| |
| #define Char wchar_t |
| #define Int wint_t |
| #define FUN(prefix,rest) prefix ## _w ## rest |
| #define FUNW(type) type ## _w |
| #define TYPE(type) type ## W |
| #define FSTR "%ls" |
| #define STR(x) L ## x |
| #define UC(c) c |
| #define Isalpha(x) iswalpha(x) |
| #define Isalnum(x) iswalnum(x) |
| #define Isgraph(x) iswgraph(x) |
| #define Isspace(x) iswspace(x) |
| #define Isdigit(x) iswdigit(x) |
| #define Iscntrl(x) iswcntrl(x) |
| #define Isprint(x) iswprint(x) |
| |
| #define Isupper(x) iswupper(x) |
| #define Islower(x) iswlower(x) |
| #define Toupper(x) towupper(x) |
| #define Tolower(x) towlower(x) |
| |
| #define IsASCII(x) (x < 0x100) |
| |
| #define Strlen(x) wcslen(x) |
| #define Strchr(s,c) wcschr(s,c) |
| #define Strrchr(s,c) wcsrchr(s,c) |
| #define Strstr(s,v) wcsstr(s,v) |
| #define Strdup(x) wcsdup(x) |
| #define Strcpy(d,s) wcscpy(d,s) |
| #define Strncpy(d,s,n) wcsncpy(d,s,n) |
| #define Strncat(d,s,n) wcsncat(d,s,n) |
| |
| #define Strcmp(s,v) wcscmp(s,v) |
| #define Strncmp(s,v,n) wcsncmp(s,v,n) |
| #define Strcspn(s,r) wcscspn(s,r) |
| |
| #define Strtol(p,e,b) wcstol(p,e,b) |
| |
| static inline int |
| Width(wchar_t c) |
| { |
| int w = wcwidth(c); |
| return w < 0 ? 0 : w; |
| } |
| |
| #else /* NARROW */ |
| |
| #define ct_mbtowc error |
| #define ct_mbtowc_reset |
| #define ct_wctomb error |
| #define ct_wctomb_reset |
| #define ct_wcstombs(a, b, c) (strncpy(a, b, c), strlen(a)) |
| #define ct_mbstowcs(a, b, c) (strncpy(a, b, c), strlen(a)) |
| |
| #define Char char |
| #define Int int |
| #define FUN(prefix,rest) prefix ## _ ## rest |
| #define FUNW(type) type |
| #define TYPE(type) type |
| #define FSTR "%s" |
| #define STR(x) x |
| #define UC(c) (unsigned char)(c) |
| |
| #define Isalpha(x) isalpha((unsigned char)x) |
| #define Isalnum(x) isalnum((unsigned char)x) |
| #define Isgraph(x) isgraph((unsigned char)x) |
| #define Isspace(x) isspace((unsigned char)x) |
| #define Isdigit(x) isdigit((unsigned char)x) |
| #define Iscntrl(x) iscntrl((unsigned char)x) |
| #define Isprint(x) isprint((unsigned char)x) |
| |
| #define Isupper(x) isupper((unsigned char)x) |
| #define Islower(x) islower((unsigned char)x) |
| #define Toupper(x) toupper((unsigned char)x) |
| #define Tolower(x) tolower((unsigned char)x) |
| |
| #define IsASCII(x) isascii((unsigned char)x) |
| |
| #define Strlen(x) strlen(x) |
| #define Strchr(s,c) strchr(s,c) |
| #define Strrchr(s,c) strrchr(s,c) |
| #define Strstr(s,v) strstr(s,v) |
| #define Strdup(x) strdup(x) |
| #define Strcpy(d,s) strcpy(d,s) |
| #define Strncpy(d,s,n) strncpy(d,s,n) |
| #define Strncat(d,s,n) strncat(d,s,n) |
| |
| #define Strcmp(s,v) strcmp(s,v) |
| #define Strncmp(s,v,n) strncmp(s,v,n) |
| #define Strcspn(s,r) strcspn(s,r) |
| |
| #define Strtol(p,e,b) strtol(p,e,b) |
| |
| #define Width(c) 1 |
| |
| #endif |
| |
| |
| #ifdef WIDECHAR |
| /* |
| * Conversion buffer |
| */ |
| typedef struct ct_buffer_t { |
| char *cbuff; |
| size_t csize; |
| Char *wbuff; |
| size_t wsize; |
| } ct_buffer_t; |
| |
| #define ct_encode_string __ct_encode_string |
| /* Encode a wide-character string and return the UTF-8 encoded result. */ |
| public char *ct_encode_string(const Char *, ct_buffer_t *); |
| |
| #define ct_decode_string __ct_decode_string |
| /* Decode a (multi)?byte string and return the wide-character string result. */ |
| public Char *ct_decode_string(const char *, ct_buffer_t *); |
| |
| /* Decode a (multi)?byte argv string array. |
| * The pointer returned must be free()d when done. */ |
| protected Char **ct_decode_argv(int, const char *[], ct_buffer_t *); |
| |
| /* Resizes the conversion buffer(s) if needed. */ |
| protected void ct_conv_buff_resize(ct_buffer_t *, size_t, size_t); |
| protected ssize_t ct_encode_char(char *, size_t, Char); |
| protected size_t ct_enc_width(Char); |
| |
| #define ct_free_argv(s) el_free(s) |
| |
| #else |
| #define ct_encode_string(s, b) (s) |
| #define ct_decode_string(s, b) (s) |
| #define ct_decode_argv(l, s, b) (s) |
| #define ct_conv_buff_resize(b, os, ns) |
| #define ct_encode_char(d, l, s) (*d = s, 1) |
| #define ct_free_argv(s) |
| #endif |
| |
| #ifndef NARROWCHAR |
| /* Encode a characted into the destination buffer, provided there is sufficent |
| * buffer space available. Returns the number of bytes used up (zero if the |
| * character cannot be encoded, -1 if there was not enough space available). */ |
| |
| /* The maximum buffer size to hold the most unwieldly visual representation, |
| * in this case \U+nnnnn. */ |
| #define VISUAL_WIDTH_MAX ((size_t)8) |
| |
| /* The terminal is thought of in terms of X columns by Y lines. In the cases |
| * where a wide character takes up more than one column, the adjacent |
| * occupied column entries will contain this faux character. */ |
| #define MB_FILL_CHAR ((Char)-1) |
| |
| /* Visual width of character c, taking into account ^? , \0177 and \U+nnnnn |
| * style visual expansions. */ |
| protected int ct_visual_width(Char); |
| |
| /* Turn the given character into the appropriate visual format, matching |
| * the width given by ct_visual_width(). Returns the number of characters used |
| * up, or -1 if insufficient space. Buffer length is in count of Char's. */ |
| protected ssize_t ct_visual_char(Char *, size_t, Char); |
| |
| /* Convert the given string into visual format, using the ct_visual_char() |
| * function. Uses a static buffer, so not threadsafe. */ |
| protected const Char *ct_visual_string(const Char *); |
| |
| |
| /* printable character, use ct_visual_width() to find out display width */ |
| #define CHTYPE_PRINT ( 0) |
| /* control character found inside the ASCII portion of the charset */ |
| #define CHTYPE_ASCIICTL (-1) |
| /* a \t */ |
| #define CHTYPE_TAB (-2) |
| /* a \n */ |
| #define CHTYPE_NL (-3) |
| /* non-printable character */ |
| #define CHTYPE_NONPRINT (-4) |
| /* classification of character c, as one of the above defines */ |
| protected int ct_chr_class(Char c); |
| #endif |
| |
| |
| #endif /* _chartype_f */ |