File: nsOS2Uni.h

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/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef _nsos2uni_h
#define _nsos2uni_h

#include <uconv.h>
#include "nsTArray.h"
#include "nsICharsetConverterManager.h"
#include "gfxCore.h"

enum ConverterRequest {
  eConv_Encoder,
  eConv_Decoder
};

class OS2Uni {
public:
  static nsISupports* GetUconvObject(int CodePage, ConverterRequest aReq);
  static void FreeUconvObjects();
private:
  static nsICharsetConverterManager* gCharsetManager;
};

#define CHAR_BUFFER_SIZE 1024
typedef nsAutoTArray<char, CHAR_BUFFER_SIZE> nsAutoCharBuffer;
typedef nsAutoTArray<PRUnichar, CHAR_BUFFER_SIZE> nsAutoChar16Buffer;

nsresult WideCharToMultiByte(int aCodePage, const PRUnichar* aSrc,
                             int32_t aSrcLength, nsAutoCharBuffer& aResult,
                             int32_t& aResultLength);
nsresult MultiByteToWideChar(int aCodePage, const char* aSrc,
                             int32_t aSrcLength, nsAutoChar16Buffer& aResult,
                             int32_t& aResultLength);

#endif