/* -*- C++ -*- */
/*
 *   Copyright 2003-2004 The Apache Software Foundation.
// (c) Copyright IBM Corp. 2004, 2005 All Rights Reserved
 *
 *   Licensed 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.
 *
 *
 */

// !!! This include file must be first thing in file !!!
#include "PlatformAutoSense.hpp"

#include "PlatformLanguage.hpp"

#include "../engine/AxisEngineException.h"
#include "../common/AxisTrace.h"


AXIS_CPP_NAMESPACE_START

//******************************************************************************
//
// PlatformLanguage::initialize() Implementation
//
//******************************************************************************
void PlatformLanguage::
initialize()
{

}

//******************************************************************************
//
// PlatformLanguage::uninitialize() Implementation
//
//******************************************************************************
void PlatformLanguage::
uninitialize()
{

}

//******************************************************************************
//
// PlatformLanguage::toWchar() Implementation
//
//******************************************************************************
wchar_t * PlatformLanguage::
toWchar(const char *charBuf, int charLen)
{
    logSetFunctionNameEngine("PlatformLanguage::toWchar")
    
    if (charBuf == NULL || charLen == 0)
        return NULL;
    
    // Allocate buffer.  Need to make sure buffer will fit wide-character
    // representation of character string, including null-terminating character.
    wchar_t *outBuffer = new wchar_t[charLen];
    
    // Now call wide-character function to convert string to wide-character.
    size_t nbrGenerated = mbstowcs(outBuffer, charBuf, charLen);
    
    if (nbrGenerated == (size_t)-1)
    {
        delete [] outBuffer;
        
        logThrowExceptionNoExit("AxisEngineException: Error converting from character to wide-character.")
        
        throw AxisEngineException(-999, "Error converting from character to wide-character.");
    }
    
    return outBuffer;
}

//******************************************************************************
//
// PlatformLanguage::toChar() Implementation
//
//******************************************************************************
char * PlatformLanguage:: 
toChar(const wchar_t *wcharBuf, int wcharLen)
{
    logSetFunctionNameEngine("PlatformLanguage::toChar")
    
    if (wcharBuf == NULL || wcharLen == 0)
        return NULL;
    
    // Allocate buffer.  Need to make sure buffer will fit character
    // representation of wide-character string, including null-terminating character.
    int bufLen = (wcharLen * MB_CUR_MAX);
    char *outBuffer = new char[bufLen];
    
    // Now call wide-character function to convert wide-character to character string.
    size_t nbrGenerated = wcstombs(outBuffer, wcharBuf, bufLen);
    
    if (nbrGenerated == (size_t)-1)
    {
        delete [] outBuffer;
        
        logThrowExceptionNoExit("AxisEngineException: Error converting from wide-character to character.")

        throw AxisEngineException(-999, "Error converting from wide-character to character.");
    }
    
    return outBuffer;
}

//******************************************************************************
//
// PlatformLanguage::toUTF8() Implementation
//
//******************************************************************************
char * PlatformLanguage:: 
toUTF8(const char *charBuf, int charLen)
{
    logSetFunctionNameEngine("PlatformLanguage::toUTF8")
    
    if (charBuf == NULL || charLen == 0)
        return NULL;
    
    // TODO
    // I do not think there is a generic way to do this 
    // that is acceptable by windows and unix platforms (maybe iconv?), so if someone
    // wants to do this then they have to create plarform-specific copy of this file and
    // put in proper directory and update the build/buildClient.xml file to pick the 
    // platform file instead of the common file. See how os400 does it. 
    logThrowExceptionNoExit("AxisEngineException: Error converting to UTF-8.")

    throw AxisEngineException(-999, "Error converting to utf-8.");
}

AXIS_CPP_NAMESPACE_END