xercesc/util/XMLChTranscoder.hpp

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_XMLCHTRANSCODER_HPP)
0023 #define XERCESC_INCLUDE_GUARD_XMLCHTRANSCODER_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 XMLCh transcoder. This is used for internal entities, which
0033 //  are already in the native XMLCh format.
0034 //
0035 class XMLUTIL_EXPORT XMLChTranscoder : public XMLTranscoder
0036 {
0037 public :
0038     // -----------------------------------------------------------------------
0039     //  Public constructors and destructor
0040     // -----------------------------------------------------------------------
0041     XMLChTranscoder
0042     (
0043         const   XMLCh* const   encodingName
0044         , const XMLSize_t      blockSize
0045         , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
0046     );
0047
0048     virtual ~XMLChTranscoder();
0049
0050
0051     // -----------------------------------------------------------------------
0052     //  Implementation of the XMLTranscoder interface
0053     // -----------------------------------------------------------------------
0054     virtual XMLSize_t transcodeFrom
0055     (
0056         const   XMLByte* const          srcData
0057         , const XMLSize_t               srcCount
0058         ,       XMLCh* const            toFill
0059         , const XMLSize_t               maxChars
0060         ,       XMLSize_t&              bytesEaten
0061         ,       unsigned char* const    charSizes
0062     );
0063
0064     virtual XMLSize_t transcodeTo
0065     (
0066         const   XMLCh* const    srcData
0067         , const XMLSize_t       srcCount
0068         ,       XMLByte* const  toFill
0069         , const XMLSize_t       maxBytes
0070         ,       XMLSize_t&      charsEaten
0071         , const UnRepOpts       options
0072     );
0073
0074     virtual bool canTranscodeTo
0075     (
0076         const   unsigned int    toCheck
0077     );
0078
0079
0080 private :
0081     // -----------------------------------------------------------------------
0082     //  Unimplemented constructors and operators
0083     // -----------------------------------------------------------------------
0084     XMLChTranscoder(const XMLChTranscoder&);
0085     XMLChTranscoder& operator=(const XMLChTranscoder&);
0086 };
0087
0088 XERCES_CPP_NAMESPACE_END
0089
0090 #endif