/*

     File: CACFString.cpp 

 Abstract:  CACFString.h  

  Version: 2.1.1 

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*/

//=============================================================================

//  Includes

//=============================================================================

#include "CACFString.h"

//=============================================================================

//  CACFString

//=============================================================================

UInt32  CACFString::GetStringByteLength(CFStringRef inCFString, CFStringEncoding inEncoding)

{

    CFIndex theAnswer = 0;

    if(inCFString != NULL)

    {

        CFRange theRange = { 0, CFStringGetLength(inCFString) };

        CFStringGetBytes(inCFString, theRange, inEncoding, 0, false, NULL, 0x7FFFFFFF, &theAnswer);

    }

    return UInt32(theAnswer);

}

void    CACFString::GetCString(CFStringRef inCFString, char* outString, UInt32& ioStringSize, CFStringEncoding inEncoding)

{

    if(ioStringSize > 0)

    {

        if(inCFString != NULL)

        {

            CFIndex theLength = 0;

            CFRange theRange = { 0, CFStringGetLength(inCFString) };

            CFStringGetBytes(inCFString, theRange, inEncoding, 0, false, (UInt8*)outString, ioStringSize - 1, &theLength);

            outString[theLength] = 0;

            ioStringSize = ToUInt32(theLength) + 1;

        }

        else

        {

            outString[0] = 0;

            ioStringSize = 1;

        }

    }

}

void    CACFString::GetUnicodeString(CFStringRef inCFString, UInt16* outString, UInt32& ioStringSize)

{

    if(ioStringSize > 0)

    {

        if(inCFString != NULL)

        {

            CFRange theStringRange = { 0, CFStringGetLength(inCFString) };

            if(static_cast<UInt32>(theStringRange.length) > ioStringSize)

            {

                theStringRange.length = ioStringSize;

            }

            CFStringGetCharacters(inCFString, theStringRange, outString);

            ioStringSize = ToUInt32(theStringRange.length);

        }

        else

        {

            outString[0] = 0;

            ioStringSize = 0;

        }

    }

}