/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999-2000 The Apache Software Foundation. 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. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Xerces" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache\@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 APACHE SOFTWARE FOUNDATION OR
* ITS 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation, and was
* originally based on software copyright (c) 1999, International
* Business Machines, Inc., http://www.ibm.com . For more information
* on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
// ---------------------------------------------------------------------------
// Includes
// ---------------------------------------------------------------------------
#include <xercesc/util/TranscodingException.hpp>
#include <xercesc/util/XML88591Transcoder.hpp>
#include <xercesc/util/XMLString.hpp>
#include <string.h>
XERCES_CPP_NAMESPACE_BEGIN
// ---------------------------------------------------------------------------
// XML88591Transcoder: Constructors and Destructor
// ---------------------------------------------------------------------------
XML88591Transcoder::XML88591Transcoder( const XMLCh* const encodingName
, const unsigned int blockSize) :
XMLTranscoder(encodingName, blockSize)
{
}
XML88591Transcoder::~XML88591Transcoder()
{
}
// ---------------------------------------------------------------------------
// XML88591Transcoder: Implementation of the transcoder API
// ---------------------------------------------------------------------------
unsigned int
XML88591Transcoder::transcodeFrom( const XMLByte* const srcData
, const unsigned int srcCount
, XMLCh* const toFill
, const unsigned int maxChars
, unsigned int& bytesEaten
, unsigned char* const charSizes)
{
// If debugging, make sure that the block size is legal
#if defined(XERCES_DEBUG)
checkBlockSize(maxChars);
#endif
//
// Calculate the max chars we can do here. Its the lesser of the
// max output chars and the number of bytes in the source.
//
const unsigned int countToDo = srcCount < maxChars ? srcCount : maxChars;
//
// Loop through the bytes to do and convert over each byte. Its just
// a cast to the wide char type.
//
const XMLByte* srcPtr = srcData;
XMLCh* destPtr = toFill;
const XMLByte* srcEnd = srcPtr + countToDo;
while (srcPtr < srcEnd)
*destPtr++ = XMLCh(*srcPtr++);
// Set the bytes eaten, and set the char size array to the fixed size
bytesEaten = countToDo;
memset(charSizes, 1, countToDo);
// Return the chars we transcoded
return countToDo;
}
unsigned int
XML88591Transcoder::transcodeTo(const XMLCh* const srcData
, const unsigned int srcCount
, XMLByte* const toFill
, const unsigned int maxBytes
, unsigned int& charsEaten
, const UnRepOpts options)
{
// If debugging, make sure that the block size is legal
#if defined(XERCES_DEBUG)
checkBlockSize(maxBytes);
#endif
//
// Calculate the max chars we can do here. Its the lesser of the
// max output bytes and the number of chars in the source.
//
const unsigned int countToDo = srcCount < maxBytes ? srcCount : maxBytes;
//
// Loop through the bytes to do and convert over each byte. Its just
// a downcast of the wide char, checking for unrepresentable chars.
//
const XMLCh* srcPtr = srcData;
const XMLCh* srcEnd = srcPtr + countToDo;
XMLByte* destPtr = toFill;
while (srcPtr < srcEnd)
{
// If its legal, take it and jump back to top
if (*srcPtr < 256)
{
*destPtr++ = XMLByte(*srcPtr++);
continue;
}
//
// Its not representable so use a replacement char. According to
// the options, either throw or use the replacement.
//
if (options == UnRep_Throw)
{
XMLCh tmpBuf[16];
XMLString::binToText((unsigned int)*srcPtr, tmpBuf, 16, 16);
ThrowXML2
(
TranscodingException
, XMLExcepts::Trans_Unrepresentable
, tmpBuf
, getEncodingName()
);
}
*destPtr++ = 0x1A;
srcPtr++;
}
// Set the chars eaten
charsEaten = countToDo;
// Return the bytes we transcoded
return countToDo;
}
bool XML88591Transcoder::canTranscodeTo(const unsigned int toCheck) const
{
return (toCheck < 256);
}
XERCES_CPP_NAMESPACE_END