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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* $Id: IconvTransService.cpp 568078 2007-08-21 11:43:25Z amassari $
*/
// ---------------------------------------------------------------------------
// Includes
// ---------------------------------------------------------------------------
#include "IconvTransService.hpp"
#include <xercesc/util/XMLUniDefs.hpp>
#include <xercesc/util/XMLUni.hpp>
#include <xercesc/framework/MemoryManager.hpp>
#include <wchar.h>
#if defined (XML_GCC) || defined (XML_PTX) || defined (XML_IBMVAOS2) || defined(XML_LINUX) || defined (XML_UNIXWARE)
#if defined(XML_BEOS)
wint_t towlower(wint_t wc) {
return ((wc>'A')&&(wc<'Z') ? wc+'a'-'A' : wc);
}
wint_t towupper(wint_t wc) {
return ((wc>'a')&&(wc<'z') ? wc-'a'+'A' : wc);
}
wint_t iswspace(wint_t wc) {
return (wc==(wint_t)' ');
}
#elif !defined(XML_OPENSERVER)
#include <wctype.h>
#endif
#endif
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
XERCES_CPP_NAMESPACE_BEGIN
// ---------------------------------------------------------------------------
// Local, const data
// ---------------------------------------------------------------------------
static const int gTempBuffArraySize = 1024;
static const XMLCh gMyServiceId[] =
{
chLatin_I, chLatin_C, chLatin_o, chLatin_n, chLatin_v, chNull
};
// ---------------------------------------------------------------------------
// Local methods
// ---------------------------------------------------------------------------
static unsigned int getWideCharLength(const XMLCh* const src)
{
if (!src)
return 0;
unsigned int len = 0;
const XMLCh* pTmp = src;
while (*pTmp++)
len++;
return len;
}
// ---------------------------------------------------------------------------
// IconvTransService: Constructors and Destructor
// ---------------------------------------------------------------------------
IconvTransService::IconvTransService()
{
}
IconvTransService::~IconvTransService()
{
}
// ---------------------------------------------------------------------------
// IconvTransService: The virtual transcoding service API
// ---------------------------------------------------------------------------
int IconvTransService::compareIString( const XMLCh* const comp1
, const XMLCh* const comp2)
{
const XMLCh* cptr1 = comp1;
const XMLCh* cptr2 = comp2;
while ( (*cptr1 != 0) && (*cptr2 != 0) )
{
wint_t wch1 = towupper(*cptr1);
wint_t wch2 = towupper(*cptr2);
if (wch1 != wch2)
break;
cptr1++;
cptr2++;
}
return (int) ( towupper(*cptr1) - towupper(*cptr2) );
}
int IconvTransService::compareNIString( const XMLCh* const comp1
, const XMLCh* const comp2
, const unsigned int maxChars)
{
unsigned int n = 0;
const XMLCh* cptr1 = comp1;
const XMLCh* cptr2 = comp2;
while (true && maxChars)
{
wint_t wch1 = towupper(*cptr1);
wint_t wch2 = towupper(*cptr2);
if (wch1 != wch2)
return (int) (wch1 - wch2);
// If either ended, then both ended, so equal
if (!*cptr1 || !*cptr2)
break;
cptr1++;
cptr2++;
// Bump the count of chars done. If it equals the count then we
// are equal for the requested count, so break out and return
// equal.
n++;
if (n == maxChars)
break;
}
return 0;
}
const XMLCh* IconvTransService::getId() const
{
return gMyServiceId;
}
bool IconvTransService::isSpace(const XMLCh toCheck) const
{
return (iswspace(toCheck) != 0);
}
XMLLCPTranscoder* IconvTransService::makeNewLCPTranscoder()
{
// Just allocate a new transcoder of our type
return new IconvLCPTranscoder;
}
bool IconvTransService::supportsSrcOfs() const
{
return true;
}
// ---------------------------------------------------------------------------
// IconvTransService: The protected virtual transcoding service API
// ---------------------------------------------------------------------------
XMLTranscoder*
IconvTransService::makeNewXMLTranscoder(const XMLCh* const
, XMLTransService::Codes& resValue
, const unsigned int
, MemoryManager* const)
{
//
// NOTE: We don't use the block size here
//
// This is a minimalist transcoding service, that only supports a local
// default transcoder. All named encodings return zero as a failure,
// which means that only the intrinsic encodings supported by the parser
// itself will work for XML data.
//
resValue = XMLTransService::UnsupportedEncoding;
return 0;
}
void IconvTransService::upperCase(XMLCh* const toUpperCase) const
{
XMLCh* outPtr = toUpperCase;
while (*outPtr)
{
*outPtr = towupper(*outPtr);
outPtr++;
}
}
void IconvTransService::lowerCase(XMLCh* const toLowerCase) const
{
XMLCh* outPtr = toLowerCase;
while (*outPtr)
{
*outPtr = towlower(*outPtr);
outPtr++;
}
}
// ---------------------------------------------------------------------------
// IconvLCPTranscoder: The virtual transcoder API
// ---------------------------------------------------------------------------
unsigned int IconvLCPTranscoder::calcRequiredSize(const char* const srcText
, MemoryManager* const)
{
if (!srcText)
return 0;
unsigned int len=0;
unsigned int size=strlen(srcText);
for( unsigned int i = 0; i < size; ++len )
{
unsigned int retVal=::mblen( &srcText[i], MB_CUR_MAX );
if( -1 == retVal )
return 0;
i += retVal;
}
return len;
}
unsigned int IconvLCPTranscoder::calcRequiredSize(const XMLCh* const srcText
, MemoryManager* const manager)
{
if (!srcText)
return 0;
unsigned int wLent = getWideCharLength(srcText);
wchar_t tmpWideCharArr[gTempBuffArraySize];
wchar_t* allocatedArray = 0;
wchar_t* wideCharBuf = 0;
if (wLent >= gTempBuffArraySize)
wideCharBuf = allocatedArray = (wchar_t*)
manager->allocate
(
(wLent + 1) * sizeof(wchar_t)
);//new wchar_t[wLent + 1];
else
wideCharBuf = tmpWideCharArr;
for (unsigned int i = 0; i < wLent; i++)
{
wideCharBuf[i] = srcText[i];
}
wideCharBuf[wLent] = 0x00;
const unsigned int retVal = ::wcstombs(NULL, wideCharBuf, 0);
manager->deallocate(allocatedArray);//delete [] allocatedArray;
if (retVal == ~0)
return 0;
return retVal;
}
char* IconvLCPTranscoder::transcode(const XMLCh* const toTranscode)
{
if (!toTranscode)
return 0;
char* retVal = 0;
if (*toTranscode)
{
unsigned int wLent = getWideCharLength(toTranscode);
wchar_t tmpWideCharArr[gTempBuffArraySize];
wchar_t* allocatedArray = 0;
wchar_t* wideCharBuf = 0;
if (wLent >= gTempBuffArraySize)
wideCharBuf = allocatedArray = new wchar_t[wLent + 1];
else
wideCharBuf = tmpWideCharArr;
for (unsigned int i = 0; i < wLent; i++)
{
wideCharBuf[i] = toTranscode[i];
}
wideCharBuf[wLent] = 0x00;
// Calc the needed size.
const size_t neededLen = ::wcstombs(NULL, wideCharBuf, 0);
if (neededLen == -1)
{
delete [] allocatedArray;
retVal = new char[1];
retVal[0] = 0;
return retVal;
}
retVal = new char[neededLen + 1];
::wcstombs(retVal, wideCharBuf, neededLen);
retVal[neededLen] = 0;
delete [] allocatedArray;
}
else
{
retVal = new char[1];
retVal[0] = 0;
}
return retVal;
}
char* IconvLCPTranscoder::transcode(const XMLCh* const toTranscode,
MemoryManager* const manager)
{
if (!toTranscode)
return 0;
char* retVal = 0;
if (*toTranscode)
{
unsigned int wLent = getWideCharLength(toTranscode);
wchar_t tmpWideCharArr[gTempBuffArraySize];
wchar_t* allocatedArray = 0;
wchar_t* wideCharBuf = 0;
if (wLent >= gTempBuffArraySize)
wideCharBuf = allocatedArray = (wchar_t*) manager->allocate
(
(wLent + 1) * sizeof(wchar_t)
);//new wchar_t[wLent + 1];
else
wideCharBuf = tmpWideCharArr;
for (unsigned int i = 0; i < wLent; i++)
{
wideCharBuf[i] = toTranscode[i];
}
wideCharBuf[wLent] = 0x00;
// Calc the needed size.
const size_t neededLen = ::wcstombs(NULL, wideCharBuf, 0);
if (neededLen == -1)
{
manager->deallocate(allocatedArray);//delete [] allocatedArray;
retVal = (char*) manager->allocate(sizeof(char)); //new char[1];
retVal[0] = 0;
return retVal;
}
retVal = (char*) manager->allocate((neededLen + 1) * sizeof(char));//new char[neededLen + 1];
::wcstombs(retVal, wideCharBuf, neededLen);
retVal[neededLen] = 0;
manager->deallocate(allocatedArray);//delete [] allocatedArray;
}
else
{
retVal = (char*) manager->allocate(sizeof(char));//new char[1];
retVal[0] = 0;
}
return retVal;
}
bool IconvLCPTranscoder::transcode( const XMLCh* const toTranscode
, char* const toFill
, const unsigned int maxBytes
, MemoryManager* const manager)
{
// Watch for a couple of pyscho corner cases
if (!toTranscode || !maxBytes)
{
toFill[0] = 0;
return true;
}
if (!*toTranscode)
{
toFill[0] = 0;
return true;
}
unsigned int wLent = getWideCharLength(toTranscode);
wchar_t tmpWideCharArr[gTempBuffArraySize];
wchar_t* allocatedArray = 0;
wchar_t* wideCharBuf = 0;
if (wLent > maxBytes) {
wLent = maxBytes;
}
if (maxBytes >= gTempBuffArraySize) {
wideCharBuf = allocatedArray = (wchar_t*)
manager->allocate
(
(maxBytes + 1) * sizeof(wchar_t)
);//new wchar_t[maxBytes + 1];
}
else
wideCharBuf = tmpWideCharArr;
for (unsigned int i = 0; i < wLent; i++)
{
wideCharBuf[i] = toTranscode[i];
}
wideCharBuf[wLent] = 0x00;
// Ok, go ahead and try the transcoding. If it fails, then ...
size_t mblen = ::wcstombs(toFill, wideCharBuf, maxBytes);
if (mblen == -1)
{
manager->deallocate(allocatedArray);//delete [] allocatedArray;
return false;
}
// Cap it off just in case
toFill[mblen] = 0;
manager->deallocate(allocatedArray);//delete [] allocatedArray;
return true;
}
XMLCh* IconvLCPTranscoder::transcode(const char* const toTranscode)
{
if (!toTranscode)
return 0;
XMLCh* retVal = 0;
if (*toTranscode)
{
const unsigned int len = calcRequiredSize(toTranscode);
if (len == 0)
{
retVal = new XMLCh[1];
retVal[0] = 0;
return retVal;
}
wchar_t tmpWideCharArr[gTempBuffArraySize];
wchar_t* allocatedArray = 0;
wchar_t* wideCharBuf = 0;
if (len >= gTempBuffArraySize)
wideCharBuf = allocatedArray = new wchar_t[len + 1];
else
wideCharBuf = tmpWideCharArr;
::mbstowcs(wideCharBuf, toTranscode, len);
retVal = new XMLCh[len + 1];
for (unsigned int i = 0; i < len; i++)
{
retVal[i] = (XMLCh) wideCharBuf[i];
}
retVal[len] = 0x00;
delete [] allocatedArray;
}
else
{
retVal = new XMLCh[1];
retVal[0] = 0;
}
return retVal;
}
XMLCh* IconvLCPTranscoder::transcode(const char* const toTranscode,
MemoryManager* const manager)
{
if (!toTranscode)
return 0;
XMLCh* retVal = 0;
if (*toTranscode)
{
const unsigned int len = calcRequiredSize(toTranscode, manager);
if (len == 0)
{
retVal = (XMLCh*) manager->allocate(sizeof(XMLCh)); //new XMLCh[1];
retVal[0] = 0;
return retVal;
}
wchar_t tmpWideCharArr[gTempBuffArraySize];
wchar_t* allocatedArray = 0;
wchar_t* wideCharBuf = 0;
if (len >= gTempBuffArraySize)
wideCharBuf = allocatedArray = (wchar_t*) manager->allocate
(
(len + 1) * sizeof(wchar_t)
);//new wchar_t[len + 1];
else
wideCharBuf = tmpWideCharArr;
::mbstowcs(wideCharBuf, toTranscode, len);
retVal = (XMLCh*) manager->allocate((len + 1) *sizeof(XMLCh));//new XMLCh[len + 1];
for (unsigned int i = 0; i < len; i++)
{
retVal[i] = (XMLCh) wideCharBuf[i];
}
retVal[len] = 0x00;
manager->deallocate(allocatedArray);//delete [] allocatedArray;
}
else
{
retVal = (XMLCh*) manager->allocate(sizeof(XMLCh));//new XMLCh[1];
retVal[0] = 0;
}
return retVal;
}
bool IconvLCPTranscoder::transcode( const char* const toTranscode
, XMLCh* const toFill
, const unsigned int maxChars
, MemoryManager* const manager)
{
// Check for a couple of psycho corner cases
if (!toTranscode || !maxChars)
{
toFill[0] = 0;
return true;
}
if (!*toTranscode)
{
toFill[0] = 0;
return true;
}
unsigned int len = calcRequiredSize(toTranscode);
wchar_t tmpWideCharArr[gTempBuffArraySize];
wchar_t* allocatedArray = 0;
wchar_t* wideCharBuf = 0;
if (len > maxChars) {
len = maxChars;
}
if (maxChars >= gTempBuffArraySize)
wideCharBuf = allocatedArray = (wchar_t*) manager->allocate
(
(maxChars + 1) * sizeof(wchar_t)
);//new wchar_t[maxChars + 1];
else
wideCharBuf = tmpWideCharArr;
if (::mbstowcs(wideCharBuf, toTranscode, maxChars) == -1)
{
manager->deallocate(allocatedArray);//delete [] allocatedArray;
return false;
}
for (unsigned int i = 0; i < len; i++)
{
toFill[i] = (XMLCh) wideCharBuf[i];
}
toFill[len] = 0x00;
manager->deallocate(allocatedArray);//delete [] allocatedArray;
return true;
}
// ---------------------------------------------------------------------------
// IconvLCPTranscoder: Constructors and Destructor
// ---------------------------------------------------------------------------
IconvLCPTranscoder::IconvLCPTranscoder()
{
}
IconvLCPTranscoder::~IconvLCPTranscoder()
{
}
XERCES_CPP_NAMESPACE_END