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XMLChTranscoder.hpp

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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 XMLCHTRANSCODER_HPP
00058 #define XMLCHTRANSCODER_HPP
00059 
00060 #include <util/XercesDefs.hpp>
00061 #include <util/TransService.hpp>
00062 
00063 
00064 //
00065 //  This class provides an implementation of the XMLTranscoder interface
00066 //  for a simple XMLCh transcoder. This is used for internal entities, which
00067 //  are already in the native XMLCh format.
00068 //
00069 class  XMLChTranscoder : public XMLTranscoder
00070 {
00071 public :
00072     // -----------------------------------------------------------------------
00073     //  Public constructors and destructor
00074     // -----------------------------------------------------------------------
00075     XMLChTranscoder
00076     (
00077         const   XMLCh* const    encodingName
00078         , const unsigned int    blockSize
00079     );
00080 
00081     virtual ~XMLChTranscoder();
00082 
00083 
00084     // -----------------------------------------------------------------------
00085     //  Implementation of the XMLTranscoder interface
00086     // -----------------------------------------------------------------------
00087     virtual unsigned int transcodeFrom
00088     (
00089         const   XMLByte* const          srcData
00090         , const unsigned int            srcCount
00091         ,       XMLCh* const            toFill
00092         , const unsigned int            maxChars
00093         ,       unsigned int&           bytesEaten
00094         ,       unsigned char* const    charSizes
00095     );
00096 
00097     virtual unsigned int transcodeTo
00098     (
00099         const   XMLCh* const    srcData
00100         , const unsigned int    srcCount
00101         ,       XMLByte* const  toFill
00102         , const unsigned int    maxBytes
00103         ,       unsigned int&   charsEaten
00104         , const UnRepOpts       options
00105     );
00106 
00107     virtual bool canTranscodeTo
00108     (
00109         const   unsigned int    toCheck
00110     )   const;
00111 
00112 
00113 private :
00114     // -----------------------------------------------------------------------
00115     //  Unimplemented constructors and operators
00116     // -----------------------------------------------------------------------
00117     XMLChTranscoder(const XMLChTranscoder&);
00118     void operator=(const XMLChTranscoder&);
00119 };
00120 
00121 #endif


Copyright © 2000 The Apache Software Foundation. All Rights Reserved.