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 XMLUTF8TRANSCODER_HPP 00058 #define XMLUTF8TRANSCODER_HPP 00059 00060 #include <xercesc/util/XercesDefs.hpp> 00061 #include <xercesc/util/TransService.hpp> 00062 00063 // 00064 // This class provides an implementation of the XMLTranscoder interface 00065 // for a simple UTF8 transcoder. The parser does some encodings 00066 // intrinsically without depending upon external transcoding services. 00067 // To make everything more orthagonal, we implement these internal 00068 // transcoders using the same transcoder abstraction as the pluggable 00069 // transcoding services do. 00070 // 00071 class XMLUTIL_EXPORT XMLUTF8Transcoder : public XMLTranscoder 00072 { 00073 public : 00074 // ----------------------------------------------------------------------- 00075 // Public constructors and destructor 00076 // ----------------------------------------------------------------------- 00077 XMLUTF8Transcoder 00078 ( 00079 const XMLCh* const encodingName 00080 , const unsigned int blockSize 00081 ); 00082 00083 virtual ~XMLUTF8Transcoder(); 00084 00085 00086 // ----------------------------------------------------------------------- 00087 // Implementation of the XMLTranscoder interface 00088 // ----------------------------------------------------------------------- 00089 virtual unsigned int transcodeFrom 00090 ( 00091 const XMLByte* const srcData 00092 , const unsigned int srcCount 00093 , XMLCh* const toFill 00094 , const unsigned int maxChars 00095 , unsigned int& bytesEaten 00096 , unsigned char* const charSizes 00097 ); 00098 00099 virtual unsigned int transcodeTo 00100 ( 00101 const XMLCh* const srcData 00102 , const unsigned int srcCount 00103 , XMLByte* const toFill 00104 , const unsigned int maxBytes 00105 , unsigned int& charsEaten 00106 , const UnRepOpts options 00107 ); 00108 00109 virtual bool canTranscodeTo 00110 ( 00111 const unsigned int toCheck 00112 ) const; 00113 00114 00115 private : 00116 // ----------------------------------------------------------------------- 00117 // Unimplemented constructors and operators 00118 // ----------------------------------------------------------------------- 00119 XMLUTF8Transcoder(const XMLUTF8Transcoder&); 00120 void operator=(const XMLUTF8Transcoder&); 00121 }; 00122 00123 #endif