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/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999-2000 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Xerces" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache\@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation, and was
* originally based on software copyright (c) 1999, International
* Business Machines, Inc., http://www.ibm.com . For more information
* on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
#ifndef XMLUCS4TRANSCODER_HPP
#define XMLUCS4TRANSCODER_HPP
#include <xercesc/util/XercesDefs.hpp>
#include <xercesc/util/TransService.hpp>
//
// This class provides an implementation of the XMLTranscoder interface
// for a simple UCS4 transcoder. The parser does some encodings
// intrinsically without depending upon external transcoding services.
// To make everything more orthagonal, we implement these internal
// transcoders using the same transcoder abstraction as the pluggable
// transcoding services do.
//
class XMLUTIL_EXPORT XMLUCS4Transcoder : public XMLTranscoder
{
public :
// -----------------------------------------------------------------------
// Public constructors and destructor
// -----------------------------------------------------------------------
XMLUCS4Transcoder
(
const XMLCh* const encodingName
, const unsigned int blockSize
, const bool swapped
);
virtual ~XMLUCS4Transcoder();
// -----------------------------------------------------------------------
// Implementation of the XMLTranscoder interface
// -----------------------------------------------------------------------
virtual unsigned int transcodeFrom
(
const XMLByte* const srcData
, const unsigned int srcCount
, XMLCh* const toFill
, const unsigned int maxChars
, unsigned int& bytesEaten
, unsigned char* const charSizes
);
virtual unsigned int transcodeTo
(
const XMLCh* const srcData
, const unsigned int srcCount
, XMLByte* const toFill
, const unsigned int maxBytes
, unsigned int& charsEaten
, const UnRepOpts options
);
virtual bool canTranscodeTo
(
const unsigned int toCheck
) const;
private :
// -----------------------------------------------------------------------
// Unimplemented constructors and operators
// -----------------------------------------------------------------------
XMLUCS4Transcoder(const XMLUCS4Transcoder&);
void operator=(const XMLUCS4Transcoder&);
// -----------------------------------------------------------------------
// Private data members
//
// fSwapped
// This tells us if our input is going to be in the same endianess
// as the local host or swapped.
// -----------------------------------------------------------------------
bool fSwapped;
};
#endif