00001 /* 00002 * The Apache Software License, Version 1.1 00003 * 00004 * Copyright (c) 1999-2000 The Apache Software Foundation. All rights 00005 * reserved. 00006 * 00007 * Redistribution and use in source and binary forms, with or without 00008 * modification, are permitted provided that the following conditions 00009 * are met: 00010 * 00011 * 1. Redistributions of source code must retain the above copyright 00012 * notice, this list of conditions and the following disclaimer. 00013 * 00014 * 2. Redistributions in binary form must reproduce the above copyright 00015 * notice, this list of conditions and the following disclaimer in 00016 * the documentation and/or other materials provided with the 00017 * distribution. 00018 * 00019 * 3. The end-user documentation included with the redistribution, 00020 * if any, must include the following acknowledgment: 00021 * "This product includes software developed by the 00022 * Apache Software Foundation (http://www.apache.org/)." 00023 * Alternately, this acknowledgment may appear in the software itself, 00024 * if and wherever such third-party acknowledgments normally appear. 00025 * 00026 * 4. The names "Xerces" and "Apache Software Foundation" must 00027 * not be used to endorse or promote products derived from this 00028 * software without prior written permission. For written 00029 * permission, please contact apache\@apache.org. 00030 * 00031 * 5. Products derived from this software may not be called "Apache", 00032 * nor may "Apache" appear in their name, without prior written 00033 * permission of the Apache Software Foundation. 00034 * 00035 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 00036 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00037 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00038 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 00039 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00040 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00041 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 00042 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 00043 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00044 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 00045 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00046 * SUCH DAMAGE. 00047 * ==================================================================== 00048 * 00049 * This software consists of voluntary contributions made by many 00050 * individuals on behalf of the Apache Software Foundation, and was 00051 * originally based on software copyright (c) 1999, International 00052 * Business Machines, Inc., http://www.ibm.com . For more information 00053 * on the Apache Software Foundation, please see 00054 * <http://www.apache.org/>. 00055 */ 00056 00057 #ifndef XMLUTF16TRANSCODER_HPP 00058 #define XMLUTF16TRANSCODER_HPP 00059 00060 #include <xercesc/util/XercesDefs.hpp> 00061 #include <xercesc/util/TransService.hpp> 00062 00063 00064 // 00065 // This class provides an implementation of the XMLTranscoder interface 00066 // for a simple UTF16 transcoder. The parser does some encodings 00067 // intrinsically without depending upon external transcoding services. 00068 // To make everything more orthagonal, we implement these internal 00069 // transcoders using the same transcoder abstraction as the pluggable 00070 // transcoding services do. 00071 // 00072 class XMLUTIL_EXPORT XMLUTF16Transcoder : public XMLTranscoder 00073 { 00074 public : 00075 // ----------------------------------------------------------------------- 00076 // Public constructors and destructor 00077 // ----------------------------------------------------------------------- 00078 XMLUTF16Transcoder 00079 ( 00080 const XMLCh* const encodingName 00081 , const unsigned int blockSize 00082 , const bool swapped 00083 ); 00084 00085 virtual ~XMLUTF16Transcoder(); 00086 00087 00088 // ----------------------------------------------------------------------- 00089 // Implementation of the XMLTranscoder interface 00090 // ----------------------------------------------------------------------- 00091 virtual unsigned int transcodeFrom 00092 ( 00093 const XMLByte* const srcData 00094 , const unsigned int srcCount 00095 , XMLCh* const toFill 00096 , const unsigned int maxChars 00097 , unsigned int& bytesEaten 00098 , unsigned char* const charSizes 00099 ); 00100 00101 virtual unsigned int transcodeTo 00102 ( 00103 const XMLCh* const srcData 00104 , const unsigned int srcCount 00105 , XMLByte* const toFill 00106 , const unsigned int maxBytes 00107 , unsigned int& charsEaten 00108 , const UnRepOpts options 00109 ); 00110 00111 virtual bool canTranscodeTo 00112 ( 00113 const unsigned int toCheck 00114 ) const; 00115 00116 00117 private : 00118 // ----------------------------------------------------------------------- 00119 // Unimplemented constructors and operators 00120 // ----------------------------------------------------------------------- 00121 XMLUTF16Transcoder(const XMLUTF16Transcoder&); 00122 void operator=(const XMLUTF16Transcoder&); 00123 00124 00125 // ----------------------------------------------------------------------- 00126 // Private data members 00127 // 00128 // fSwapped 00129 // Indicates whether the encoding is of the opposite endianness from 00130 // the local host. 00131 // ----------------------------------------------------------------------- 00132 bool fSwapped; 00133 }; 00134 00135 #endif