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0001 /* 0002 * Licensed to the Apache Software Foundation (ASF) under one or more 0003 * contributor license agreements. See the NOTICE file distributed with 0004 * this work for additional information regarding copyright ownership. 0005 * The ASF licenses this file to You under the Apache License, Version 2.0 0006 * (the "License"); you may not use this file except in compliance with 0007 * the License. You may obtain a copy of the License at 0008 * 0009 * http://www.apache.org/licenses/LICENSE-2.0 0010 * 0011 * Unless required by applicable law or agreed to in writing, software 0012 * distributed under the License is distributed on an "AS IS" BASIS, 0013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 0014 * See the License for the specific language governing permissions and 0015 * limitations under the License. 0016 */ 0017 0018 /* 0019 * $Id$ 0020 */ 0021 0022 #if !defined(XERCESC_INCLUDE_GUARD_XMLUCS4TRANSCODER_HPP) 0023 #define XERCESC_INCLUDE_GUARD_XMLUCS4TRANSCODER_HPP 0024 0025 #include <xercesc/util/XercesDefs.hpp> 0026 #include <xercesc/util/TransService.hpp> 0027 0028 XERCES_CPP_NAMESPACE_BEGIN 0029 0030 // 0031 // This class provides an implementation of the XMLTranscoder interface 0032 // for a simple UCS4 transcoder. The parser does some encodings 0033 // intrinsically without depending upon external transcoding services. 0034 // To make everything more orthogonal, we implement these internal 0035 // transcoders using the same transcoder abstraction as the pluggable 0036 // transcoding services do. 0037 // 0038 class XMLUTIL_EXPORT XMLUCS4Transcoder : public XMLTranscoder 0039 { 0040 public : 0041 // ----------------------------------------------------------------------- 0042 // Public constructors and destructor 0043 // ----------------------------------------------------------------------- 0044 XMLUCS4Transcoder 0045 ( 0046 const XMLCh* const encodingName 0047 , const XMLSize_t blockSize 0048 , const bool swapped 0049 , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager 0050 ); 0051 0052 virtual ~XMLUCS4Transcoder(); 0053 0054 0055 // ----------------------------------------------------------------------- 0056 // Implementation of the XMLTranscoder interface 0057 // ----------------------------------------------------------------------- 0058 virtual XMLSize_t transcodeFrom 0059 ( 0060 const XMLByte* const srcData 0061 , const XMLSize_t srcCount 0062 , XMLCh* const toFill 0063 , const XMLSize_t maxChars 0064 , XMLSize_t& bytesEaten 0065 , unsigned char* const charSizes 0066 ); 0067 0068 virtual XMLSize_t transcodeTo 0069 ( 0070 const XMLCh* const srcData 0071 , const XMLSize_t srcCount 0072 , XMLByte* const toFill 0073 , const XMLSize_t maxBytes 0074 , XMLSize_t& charsEaten 0075 , const UnRepOpts options 0076 ); 0077 0078 virtual bool canTranscodeTo 0079 ( 0080 const unsigned int toCheck 0081 ); 0082 0083 0084 private : 0085 // ----------------------------------------------------------------------- 0086 // Unimplemented constructors and operators 0087 // ----------------------------------------------------------------------- 0088 XMLUCS4Transcoder(const XMLUCS4Transcoder&); 0089 XMLUCS4Transcoder& operator=(const XMLUCS4Transcoder&); 0090 0091 0092 // ----------------------------------------------------------------------- 0093 // Private data members 0094 // 0095 // fSwapped 0096 // This tells us if our input is going to be in the same endianness 0097 // as the local host or swapped. 0098 // ----------------------------------------------------------------------- 0099 bool fSwapped; 0100 }; 0101 0102 XERCES_CPP_NAMESPACE_END 0103 0104 #endif
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