IconvGNUTransService.hpp
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上传日期:2013-06-25
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词法分析
开发平台:
Visual C++
- /*
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 2002 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) 2001, International
- * Business Machines, Inc., http://www.ibm.com . For more information
- * on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
- /*
- * $Log: IconvGNUTransService.hpp,v $
- * Revision 1.5 2003/05/17 16:32:18 knoaman
- * Memory manager implementation : transcoder update.
- *
- * Revision 1.4 2003/05/15 18:47:05 knoaman
- * Partial implementation of the configurable memory manager.
- *
- * Revision 1.3 2003/03/07 18:15:57 tng
- * Return a reference instead of void for operator=
- *
- * Revision 1.2 2002/11/04 15:14:34 tng
- * C++ Namespace Support.
- *
- * Revision 1.1 2002/08/19 19:38:18 tng
- * [Bug 11771] Linux specific IconvGNU transcoder. Patch from Vasily Tchekalkin.
- *
- */
- #ifndef ICONVGNUTRANSSERVICE_HPP
- #define ICONVGNUTRANSSERVICE_HPP
- #include <xercesc/util/TransService.hpp>
- #include <iconv.h>
- XERCES_CPP_NAMESPACE_BEGIN
- // ---------------------------------------------------------------------------
- // Libiconv wrapper (low-level conversion utilities collection)
- // ---------------------------------------------------------------------------
- class XMLUTIL_EXPORT IconvGNUWrapper
- {
- public:
- // -----------------------------------------------------------------------
- // Constructors and Destructor
- // -----------------------------------------------------------------------
- IconvGNUWrapper
- (
- iconv_t cd_from,
- iconv_t cd_to,
- size_t uchsize,
- unsigned int ubo
- );
- virtual ~IconvGNUWrapper();
- // Convert "native unicode" character into XMLCh
- void mbcToXMLCh (const char *mbc, XMLCh *toRet) const;
- // Convert XMLCh into "native unicode" character
- void xmlChToMbc (XMLCh xch, char *mbc) const;
- // Return uppercase equivalent for XMLCh
- XMLCh toUpper (const XMLCh ch) const;
- // Return uppercase equivalent for XMLCh
- XMLCh toLower (const XMLCh ch) const;
- // Check if passed characters belongs to the :space: class
- virtual bool isSpace(const XMLCh toCheck) const;
- // Fill array of XMLCh characters with data, supplyed in the array
- // of "native unicode" characters.
- XMLCh* mbsToXML (
- const char* mbs_str,
- size_t mbs_cnt,
- XMLCh* xml_str,
- size_t xml_cnt
- ) const;
- // Fill array of "native unicode" characters with data, supplyed
- // in the array of XMLCh characters.
- char* xmlToMbs
- (
- const XMLCh* xml_str,
- size_t xml_cnt,
- char* mbs_str,
- size_t mbs_cnt
- ) const;
- // Wrapper aroung the iconv() for transcoding from the local charset
- size_t iconvFrom
- (
- const char *fromPtr,
- size_t *fromLen,
- char **toPtr,
- size_t toLen
- ) const;
- // Wrapper aroung the iconv() for transcoding to the local charset
- size_t iconvTo
- (
- const char *fromPtr,
- size_t *fromLen,
- char **toPtr,
- size_t toLen
- ) const;
- // Private data accessors
- inline iconv_t cdTo () const { return fCDTo; }
- inline iconv_t cdFrom () const { return fCDFrom; }
- inline size_t uChSize () const { return fUChSize; }
- inline unsigned int UBO () const { return fUBO; }
- protected:
- // Hiden defaull constructor
- IconvGNUWrapper();
- // Private data accessors
- inline void setCDTo (iconv_t cd) { fCDTo = cd; }
- inline void setCDFrom (iconv_t cd) { fCDFrom = cd; }
- inline void setUChSize (size_t sz) { fUChSize = sz; }
- inline void setUBO (unsigned int u) { fUBO = u; }
- private:
- // -----------------------------------------------------------------------
- // Unimplemented constructors and operators
- // -----------------------------------------------------------------------
- IconvGNUWrapper(const IconvGNUWrapper&);
- IconvGNUWrapper& operator=(const IconvGNUWrapper&);
- // -----------------------------------------------------------------------
- // Private data members
- //
- // fCDTo
- // Characterset conversion descriptor TO the local-host encoding
- // fCDFrom
- // Characterset conversion descriptor FROM the local-host encoding
- // fUChSize
- // Sizeof the "native unicode" character in bytes
- // fUBO
- // "Native unicode" characters byte order
- // -----------------------------------------------------------------------
- size_t fUChSize;
- unsigned int fUBO;
- iconv_t fCDTo;
- iconv_t fCDFrom;
- };
- // ---------------------------------------------------------------------------
- // FreeBSD-specific Transcoding Service implementation
- // ---------------------------------------------------------------------------
- class XMLUTIL_EXPORT IconvGNUTransService : public XMLTransService, IconvGNUWrapper
- {
- public :
- // -----------------------------------------------------------------------
- // Constructors and Destructor
- // -----------------------------------------------------------------------
- IconvGNUTransService();
- ~IconvGNUTransService();
- // -----------------------------------------------------------------------
- // Implementation of the virtual transcoding service API
- // -----------------------------------------------------------------------
- virtual int compareIString
- (
- const XMLCh* const comp1
- , const XMLCh* const comp2
- );
- virtual int compareNIString
- (
- const XMLCh* const comp1
- , const XMLCh* const comp2
- , const unsigned int maxChars
- );
- virtual const XMLCh* getId() const;
- virtual bool isSpace(const XMLCh toCheck) const;
- virtual XMLLCPTranscoder* makeNewLCPTranscoder();
- virtual bool supportsSrcOfs() const;
- virtual void upperCase(XMLCh* const toUpperCase) const;
- virtual void lowerCase(XMLCh* const toUpperCase) const;
- protected :
- // -----------------------------------------------------------------------
- // Protected virtual methods
- // -----------------------------------------------------------------------
- virtual XMLTranscoder* makeNewXMLTranscoder
- (
- const XMLCh* const encodingName
- , XMLTransService::Codes& resValue
- , const unsigned int blockSize
- , MemoryManager* const manager
- );
- private :
- // -----------------------------------------------------------------------
- // Unimplemented constructors and operators
- // -----------------------------------------------------------------------
- IconvGNUTransService(const IconvGNUTransService&);
- IconvGNUTransService& operator=(const IconvGNUTransService&);
- // -----------------------------------------------------------------------
- // Private data members
- //
- // fUnicodeCP
- // Unicode encoding schema name
- // -----------------------------------------------------------------------
- const char* fUnicodeCP;
- };
- //----------------------------------------------------------------------------
- // Implementation of the transcoders for arbitrary input characterset is
- // supported ONLY through libiconv interface
- //----------------------------------------------------------------------------
- class XMLUTIL_EXPORT IconvGNUTranscoder : public XMLTranscoder, IconvGNUWrapper
- {
- public :
- // -----------------------------------------------------------------------
- // Constructors and Destructor
- // -----------------------------------------------------------------------
- IconvGNUTranscoder(const XMLCh* const encodingName
- , const unsigned int blockSize
- , iconv_t cd_from
- , iconv_t cd_to
- , size_t uchsize
- , unsigned int ubo
- , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
- );
- ~IconvGNUTranscoder();
- // -----------------------------------------------------------------------
- // Implementation of the virtual transcoder 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
- // -----------------------------------------------------------------------
- IconvGNUTranscoder();
- IconvGNUTranscoder(const IconvGNUTranscoder&);
- IconvGNUTranscoder& operator=(const IconvGNUTranscoder&);
- };
- // ---------------------------------------------------------------------------
- // GNU-specific XMLCh <-> local (host) characterset transcoder
- // ---------------------------------------------------------------------------
- class XMLUTIL_EXPORT IconvGNULCPTranscoder : public XMLLCPTranscoder, IconvGNUWrapper
- {
- public :
- // -----------------------------------------------------------------------
- // Constructors and Destructor
- // -----------------------------------------------------------------------
- IconvGNULCPTranscoder
- (
- iconv_t from,
- iconv_t to,
- size_t uchsize,
- unsigned int ubo
- );
- protected:
- IconvGNULCPTranscoder(); // Unimplemented
- public:
- ~IconvGNULCPTranscoder();
- // -----------------------------------------------------------------------
- // Implementation of the virtual transcoder interface
- // -----------------------------------------------------------------------
- virtual unsigned int calcRequiredSize(const char* const srcText);
- virtual unsigned int calcRequiredSize(const XMLCh* const srcText);
- virtual char* transcode(const XMLCh* const toTranscode);
- virtual char* transcode(const XMLCh* const toTranscode,
- MemoryManager* const manager);
- virtual bool transcode
- (
- const XMLCh* const toTranscode
- , char* const toFill
- , const unsigned int maxBytes
- );
- virtual XMLCh* transcode(const char* const toTranscode);
- virtual XMLCh* transcode(const char* const toTranscode,
- MemoryManager* const manager);
- virtual bool transcode
- (
- const char* const toTranscode
- , XMLCh* const toFill
- , const unsigned int maxChars
- );
- private :
- // -----------------------------------------------------------------------
- // Unimplemented constructors and operators
- // -----------------------------------------------------------------------
- IconvGNULCPTranscoder(const IconvGNULCPTranscoder&);
- IconvGNULCPTranscoder& operator=(const IconvGNULCPTranscoder&);
- };
- XERCES_CPP_NAMESPACE_END
- #endif /* ICONVGNUTRANSSERVICE */