/*

 * Licensed to the Apache Software Foundation (ASF) under one or more

 * contributor license agreements.  See the NOTICE file distributed with

 * this work for additional information regarding copyright ownership.

 * The ASF licenses this file to You under the Apache License, Version 2.0

 * (the "License"); you may not use this file except in compliance with

 * the License.  You may obtain a copy of the License at

 * 

 *      http://www.apache.org/licenses/LICENSE-2.0

 * 

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

/*

 * $Id: Win32TransService.hpp 568078 2007-08-21 11:43:25Z amassari $

 */

#ifndef WIN32TRANSSERVICE_HPP

#define WIN32TRANSSERVICE_HPP

#include <xercesc/util/TransService.hpp>

#include <xercesc/util/RefHashTableOf.hpp>

#include <windows.h>

XERCES_CPP_NAMESPACE_BEGIN

class CPMapEntry;

//---------------------------------------------------------------------------

//

//  class Win32TransService

//

//---------------------------------------------------------------------------

class XMLUTIL_EXPORT Win32TransService : public XMLTransService

{

public :

    // -----------------------------------------------------------------------

    //  Constructors and Destructor

    // -----------------------------------------------------------------------

    Win32TransService();

    virtual ~Win32TransService();

    // -----------------------------------------------------------------------

    //  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 toLowerCase) const;

protected :

    // -----------------------------------------------------------------------

    //  Protected virtual methods, implemented in Win32TransService2.cpp

    // -----------------------------------------------------------------------

    virtual XMLTranscoder* makeNewXMLTranscoder

    (

        const   XMLCh* const            encodingName

        ,       XMLTransService::Codes& resValue

        , const unsigned int            blockSize

        ,       MemoryManager* const    manager

    );

private :

    // -----------------------------------------------------------------------

    //  Unimplemented constructors and operators

    // -----------------------------------------------------------------------

    Win32TransService(const Win32TransService&);

    Win32TransService& operator=(const Win32TransService&);

    //      This is a hash table of entries which map encoding names to their

    //      Windows specific code pages. The code page allows us to create

    //      transcoders for those encodings. The encoding names come from XML

    //      files.

    //

    //      This map is shared unsynchronized among all threads of the process,

    //      which is cool since it will be read only once its initialized.

    static bool isAlias(const   HKEY            encodingKey

                    ,       char* const     aliasBuf = 0

                    , const unsigned int    nameBufSz = 0);

    RefHashTableOf<CPMapEntry>    *fCPMap;

};

//---------------------------------------------------------------------------

//

//  class Win32Transcoder

//

//---------------------------------------------------------------------------

class XMLUTIL_EXPORT Win32Transcoder : public XMLTranscoder

{

public :

    // -----------------------------------------------------------------------

    //  Constructors and Destructor

    // -----------------------------------------------------------------------

    Win32Transcoder

    (

        const   XMLCh* const    encodingName

        , const unsigned int    winCP

        , const unsigned int    ieCP

        , const unsigned int    blockSize

        , MemoryManager* const  manager = XMLPlatformUtils::fgMemoryManager);

    ~Win32Transcoder();

    // -----------------------------------------------------------------------

    //  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

    // -----------------------------------------------------------------------

    Win32Transcoder(const Win32Transcoder&);

    Win32Transcoder& operator=(const Win32Transcoder&);

    // -----------------------------------------------------------------------

    //  Private data members

    //

    //  fIECP

    //      This is the internet explorer code page for this encoding.

    //

    //  fWinCP

    //      This is the windows code page for this encoding.

    // -----------------------------------------------------------------------

    unsigned int    fIECP;

    unsigned int    fWinCP;

};

//---------------------------------------------------------------------------

//

//  class Win32LCPTranscoder

//

//---------------------------------------------------------------------------

class XMLUTIL_EXPORT Win32LCPTranscoder : public XMLLCPTranscoder

{

public :

    // -----------------------------------------------------------------------

    //  Constructors and Destructor

    // -----------------------------------------------------------------------

    Win32LCPTranscoder();

    ~Win32LCPTranscoder();

    // -----------------------------------------------------------------------

    //  Implementation of the virtual transcoder interface

    // -----------------------------------------------------------------------

    virtual unsigned int calcRequiredSize(const char* const srcText

        , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager);

    virtual unsigned int calcRequiredSize(const XMLCh* const srcText

        , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager);

    virtual char* transcode(const XMLCh* const toTranscode);

    virtual char* transcode(const XMLCh* const toTranscode,

                            MemoryManager* const manager);

    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

        , MemoryManager* const  manager = XMLPlatformUtils::fgMemoryManager

    );

    virtual bool transcode

    (

        const   XMLCh* const    toTranscode

        ,       char* const     toFill

        , const unsigned int    maxChars

        , MemoryManager* const  manager = XMLPlatformUtils::fgMemoryManager

    );

private :

    // -----------------------------------------------------------------------

    //  Unimplemented constructors and operators

    // -----------------------------------------------------------------------

    Win32LCPTranscoder(const Win32LCPTranscoder&);

    Win32LCPTranscoder& operator=(const Win32LCPTranscoder&);

};

XERCES_CPP_NAMESPACE_END

#endif