sippeangelo
118 lines
4.1 KiB
C++
118 lines
4.1 KiB
C++
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// ---------------------------------------------------------------------------
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// Includes
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// ---------------------------------------------------------------------------
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#include <xercesc/util/BitOps.hpp>
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#include <xercesc/util/XMLChTranscoder.hpp>
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#include <string.h>
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XERCES_CPP_NAMESPACE_BEGIN
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// ---------------------------------------------------------------------------
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// XMLChTranscoder: Constructors and Destructor
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// ---------------------------------------------------------------------------
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XMLChTranscoder::XMLChTranscoder(const XMLCh* const encodingName
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, const XMLSize_t blockSize
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, MemoryManager* const manager) :
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XMLTranscoder(encodingName, blockSize, manager)
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{
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}
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XMLChTranscoder::~XMLChTranscoder()
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{
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}
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// ---------------------------------------------------------------------------
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// XMLChTranscoder: Implementation of the transcoder API
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// ---------------------------------------------------------------------------
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XMLSize_t
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XMLChTranscoder::transcodeFrom( const XMLByte* const srcData
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, const XMLSize_t srcCount
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, XMLCh* const toFill
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, const XMLSize_t maxChars
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, XMLSize_t& bytesEaten
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, unsigned char* const charSizes)
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{
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//
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// Calculate the max chars we can do here. Its the lesser of the
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// max output chars and the number of chars in the source.
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//
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const XMLSize_t srcChars = srcCount / sizeof(XMLCh);
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const XMLSize_t countToDo = srcChars < maxChars ? srcChars : maxChars;
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//
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// Copy over the count of chars that we precalculated. Notice we
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// convert char count to byte count here!!!
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//
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memcpy(toFill, srcData, countToDo * sizeof(XMLCh));
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// Set the bytes eaten
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bytesEaten = countToDo * sizeof(XMLCh);
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// Set the character sizes to the fixed size
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memset(charSizes, sizeof(XMLCh), countToDo);
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// Return the chars we transcoded
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return countToDo;
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}
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XMLSize_t
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XMLChTranscoder::transcodeTo(const XMLCh* const srcData
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, const XMLSize_t srcCount
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, XMLByte* const toFill
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, const XMLSize_t maxBytes
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, XMLSize_t& charsEaten
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, const UnRepOpts)
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{
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//
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// Calculate the max chars we can do here. Its the lesser of the
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// max chars we can store in the output byte buffer, and the number
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// of chars in the source.
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//
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const XMLSize_t maxOutChars = maxBytes / sizeof(XMLCh);
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const XMLSize_t countToDo = maxOutChars < srcCount
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? maxOutChars : srcCount;
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//
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// Copy over the number of chars we calculated. Note that we have
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// to convert the char count to a byte count!!
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//
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memcpy(toFill, srcData, countToDo * sizeof(XMLCh));
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// Set the chars eaten
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charsEaten = countToDo;
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// Return the bytes we transcoded
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return countToDo * sizeof(XMLCh);
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}
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bool XMLChTranscoder::canTranscodeTo(const unsigned int)
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{
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// We can handle anything
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return true;
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}
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XERCES_CPP_NAMESPACE_END
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