Win32TransService.cpp

/*
 * 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.
 */

/*
 * $Id$
 */


// ---------------------------------------------------------------------------
//  Includes
// ---------------------------------------------------------------------------
#if HAVE_CONFIG_H
#	include <config.h>
#endif

#include <xercesc/util/PlatformUtils.hpp>
#include <xercesc/util/TranscodingException.hpp>
#include <xercesc/util/XMLException.hpp>
#include <xercesc/util/XMLString.hpp>
#include <xercesc/util/XMLUniDefs.hpp>
#include <xercesc/util/XMLUni.hpp>
#include <xercesc/util/RefHashTableOf.hpp>
#include "Win32TransService.hpp"
#include <windows.h>

XERCES_CPP_NAMESPACE_BEGIN


// ---------------------------------------------------------------------------
//  Local, const data
// ---------------------------------------------------------------------------
static const XMLCh gMyServiceId[] =
{
    chLatin_W, chLatin_i, chLatin_n, chDigit_3, chDigit_2, chNull
};


#if !HAVE_WCSUPR
void wcsupr(LPWSTR str)
{
    int nLen=XMLString::stringLen(str);
    ::LCMapStringW( GetThreadLocale(), LCMAP_UPPERCASE, str, nLen, str, nLen);
}
#endif

#if !HAVE_WCSLWR
void wcslwr(LPWSTR str)
{
    int nLen=XMLString::stringLen(str);
    ::LCMapStringW( GetThreadLocale(), LCMAP_LOWERCASE, str, nLen, str, nLen);
}
#endif

#if !HAVE_WCSNICMP
int wcsnicmp(LPCWSTR comp1, LPCWSTR comp2, unsigned int nLen)
{
    unsigned int len = XMLString::stringLen( comp1);
    unsigned int otherLen = XMLString::stringLen( comp2);
    unsigned int countChar = 0;
    unsigned int maxChars;
    int          theResult = 0;

    // Determine at what string index the comparison stops.
    len = ( len > nLen ) ? nLen : len;
    otherLen = ( otherLen > nLen ) ? nLen : otherLen;
    maxChars = ( len > otherLen ) ? otherLen : len;

    // Handle situation when one argument or the other is NULL
    // by returning +/- string length of non-NULL argument (inferred
    // from XMLString::CompareNString).

    // Obs. Definition of stringLen(XMLCh*) implies NULL ptr and ptr
    // to Empty String are equivalent.  It handles NULL args, BTW.

    if ( !comp1 )
    {
        // Negative because null ptr (c1) less than string (c2).
        return ( 0 - otherLen );
    }

    if ( !comp2 )
    {
        // Positive because string (c1) still greater than null ptr (c2).
        return len;
    }

    // Copy const parameter strings (plus terminating nul) into locals.
    XMLCh* firstBuf = (XMLCh*) XMLPlatformUtils::fgMemoryManager->allocate( (++len) * sizeof(XMLCh) );//new XMLCh[ ++len];
    XMLCh* secondBuf = (XMLCh*) XMLPlatformUtils::fgMemoryManager->allocate( (++otherLen) * sizeof(XMLCh) );//new XMLCh[ ++otherLen];
    memcpy( firstBuf, comp1, len * sizeof(XMLCh));
    memcpy( secondBuf, comp2, otherLen * sizeof(XMLCh));

    // Then uppercase both strings, losing their case info.
    ::LCMapStringW( GetThreadLocale(), LCMAP_UPPERCASE, (LPWSTR)firstBuf, len, (LPWSTR)firstBuf, len);
    ::LCMapStringW( GetThreadLocale(), LCMAP_UPPERCASE, (LPWSTR)secondBuf, otherLen, (LPWSTR)secondBuf, otherLen);

    // Strings are equal until proven otherwise.
    while ( ( countChar < maxChars ) && ( !theResult ) )
    {
        theResult = (int)(firstBuf[countChar]) - (int)(secondBuf[countChar]);
        ++countChar;
    }

    XMLPlatformUtils::fgMemoryManager->deallocate(firstBuf);//delete [] firstBuf;
    XMLPlatformUtils::fgMemoryManager->deallocate(secondBuf);//delete [] secondBuf;

    return theResult;
}
#endif

#if !HAVE_WCSICMP
int wcsicmp(LPCWSTR comp1, LPCWSTR comp2)
{
    unsigned int len = XMLString::stringLen( comp1);
    unsigned int otherLen = XMLString::stringLen( comp2);
    // Must compare terminating NUL to return difference if one string is shorter than the other.
    unsigned int maxChars = ( len > otherLen ) ? otherLen : len;
    return wcsnicmp(comp1, comp2, maxChars+1);
}
#endif

// ---------------------------------------------------------------------------
//  This is the simple CPMapEntry class. It just contains an encoding name
//  and a code page for that encoding.
// ---------------------------------------------------------------------------
class CPMapEntry : public XMemory
{
public :
    // -----------------------------------------------------------------------
    //  Constructors and Destructor
    // -----------------------------------------------------------------------
    CPMapEntry
    (
        const   XMLCh* const    encodingName
        , const unsigned int    cpId
        , const unsigned int    ieId
    );

    CPMapEntry
    (
        const   char* const     encodingName
        , const unsigned int    cpId
        , const unsigned int    ieId
    );

    ~CPMapEntry();


    // -----------------------------------------------------------------------
    //  Getter methods
    // -----------------------------------------------------------------------
    const XMLCh* getEncodingName() const;
    const XMLCh* getKey() const;
    unsigned int getWinCP() const;
    unsigned int getIEEncoding() const;


private :
    // -----------------------------------------------------------------------
    //  Unimplemented constructors and operators
    // -----------------------------------------------------------------------
    CPMapEntry();
    CPMapEntry(const CPMapEntry&);
    CPMapEntry& operator=(const CPMapEntry&);


    // -----------------------------------------------------------------------
    //  Private data members
    //
    //  fEncodingName
    //      This is the encoding name for the code page that this instance
    //      represents.
    //
    //  fCPId
    //      This is the Windows specific code page for the encoding that this
    //      instance represents.
    //
    //  fIEId
    //      This is the IE encoding id. Its not used at this time, but we
    //      go ahead and get it and store it just in case for later.
    // -----------------------------------------------------------------------
    XMLCh*          fEncodingName;
    unsigned int    fCPId;
    unsigned int    fIEId;
};