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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* 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/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
#ifndef INCLUDED_SAL_TEXTENC_TENCHELP_HXX
#define INCLUDED_SAL_TEXTENC_TENCHELP_HXX
#include <sal/config.h>
#include <rtl/tencinfo.h>
#include <rtl/textcvt.h>
#include <rtl/textenc.h>
#include <sal/types.h>
#include "unichars.hxx"
#define RTL_TEXTCVT_BYTE_PRIVATE_START 0xF100
#define RTL_TEXTCVT_BYTE_PRIVATE_END 0xF1FF
/* ----------------- */
/* - TextConverter - */
/* ----------------- */
typedef
sal_Size (* ImplConvertToUnicodeProc)(void const * pData,
void * pContext,
char const * pSrcBuf,
sal_Size nSrcBytes,
sal_Unicode * pDestBuf,
sal_Size nDestChars,
sal_uInt32 nFlags,
sal_uInt32 * pInfo,
sal_Size * pSrcCvtBytes);
typedef
sal_Size (* ImplConvertToTextProc)(void const * pData,
void * pContext,
sal_Unicode const * pSrcBuf,
sal_Size nSrcChars,
char * pDestBuf,
sal_Size nDestBytes,
sal_uInt32 nFlags,
sal_uInt32 * pInfo,
sal_Size * pSrcCvtChars);
typedef void * (* ImplCreateTextContextProc)();
typedef void (* ImplDestroyTextContextProc)(void * pContext);
typedef void (* ImplResetTextContextProc)(void * pContext);
typedef void * (* ImplCreateUnicodeContextProc)();
typedef void (* ImplDestroyUnicodeContextProc)(void * pContext);
typedef void (* ImplResetUnicodeContextProc)(void * pContext);
struct ImplTextConverter
{
void const * mpConvertData;
ImplConvertToUnicodeProc mpConvertTextToUnicodeProc;
ImplConvertToTextProc mpConvertUnicodeToTextProc;
ImplCreateTextContextProc mpCreateTextToUnicodeContext;
ImplDestroyTextContextProc mpDestroyTextToUnicodeContext;
ImplResetTextContextProc mpResetTextToUnicodeContext;
ImplCreateUnicodeContextProc mpCreateUnicodeToTextContext;
ImplDestroyUnicodeContextProc mpDestroyUnicodeToTextContext;
ImplResetUnicodeContextProc mpResetUnicodeToTextContext;
};
/* ----------------------------- */
/* - TextEncoding - Structures - */
/* ----------------------------- */
struct SAL_DLLPUBLIC_RTTI ImplTextEncodingData
{
ImplTextConverter maConverter;
char const * mpBestUnixCharset;
char const * mpBestMimeCharset;
sal_uInt8 mnMinCharSize;
sal_uInt8 mnMaxCharSize;
sal_uInt8 mnAveCharSize;
sal_uInt8 mnBestWindowsCharset;
sal_uInt32 mnInfoFlags;
};
/* ----------------------------------- */
/* - TextConverter - Byte-Structures - */
/* ----------------------------------- */
struct ImplUniCharTabData
{
sal_uInt16 mnUniChar;
unsigned char mnChar;
unsigned char mnChar2;
// to cater for mappings like MS1258 with 1--2 bytes per Unicode char,
// 0 if unused
};
struct ImplByteConvertData
{
const sal_uInt16* mpToUniTab1;
const sal_uInt16* mpToUniTab2;
const unsigned char* mpToCharTab1;
const unsigned char* mpToCharTab2;
const ImplUniCharTabData* mpToCharExTab;
unsigned char mnToUniStart1;
unsigned char mnToUniEnd1;
unsigned char mnToUniStart2;
unsigned char mnToUniEnd2;
sal_uInt16 mnToCharStart1;
sal_uInt16 mnToCharEnd1;
sal_uInt16 mnToCharStart2;
sal_uInt16 mnToCharEnd2;
sal_uInt16 mnToCharExCount;
};
/* ----------------------------------- */
/* - TextConverter - DBCS-Structures - */
/* ----------------------------------- */
struct ImplDBCSEUDCData
{
unsigned char mnLeadStart;
unsigned char mnLeadEnd;
unsigned char mnTrail1Start;
unsigned char mnTrail1End;
unsigned char mnTrail2Start;
unsigned char mnTrail2End;
unsigned char mnTrail3Start;
unsigned char mnTrail3End;
unsigned char mnTrailCount;
sal_uInt16 mnTrailRangeCount;
sal_uInt16 mnUniStart;
sal_uInt16 mnUniEnd;
};
struct ImplDBCSToUniLeadTab
{
sal_uInt16 mnUniChar;
sal_uInt8 mnTrailStart;
sal_uInt8 mnTrailEnd;
const sal_uInt16* mpToUniTrailTab;
};
struct ImplUniToDBCSHighTab
{
sal_uInt8 mnLowStart;
sal_uInt8 mnLowEnd;
const sal_uInt16* mpToUniTrailTab;
};
struct ImplDBCSConvertData
{
const ImplDBCSToUniLeadTab* mpToUniLeadTab;
const ImplUniToDBCSHighTab* mpToDBCSHighTab;
const ImplDBCSEUDCData* mpEUDCTab;
sal_uInt16 mnEUDCCount;
unsigned char mnLeadStart;
unsigned char mnLeadEnd;
unsigned char mnTrailStart;
unsigned char mnTrailEnd;
};
/* ---------------------------------- */
/* - TextConverter - EUC-Structures - */
/* ---------------------------------- */
struct ImplEUCJPConvertData
{
const ImplDBCSToUniLeadTab* mpJIS0208ToUniLeadTab;
const ImplDBCSToUniLeadTab* mpJIS0212ToUniLeadTab;
const ImplUniToDBCSHighTab* mpUniToJIS0208HighTab;
const ImplUniToDBCSHighTab* mpUniToJIS0212HighTab;
};
/* --------------------------------- */
/* - TextConverter - HelpFunctions - */
/* --------------------------------- */
inline sal_Unicode ImplGetUndefinedUnicodeChar(
unsigned char cChar, sal_uInt32 nFlags)
{
return ((nFlags & RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_MASK)
== RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_MAPTOPRIVATE) ?
RTL_TEXTCVT_BYTE_PRIVATE_START + cChar :
RTL_TEXTENC_UNICODE_REPLACEMENT_CHARACTER;
}
/* ----------------------------- */
/* - TextConverter - Functions - */
/* ----------------------------- */
sal_Size ImplDBCSToUnicode( const void* pData, void* pContext,
const char* pSrcBuf, sal_Size nSrcBytes,
sal_Unicode* pDestBuf, sal_Size nDestChars,
sal_uInt32 nFlags, sal_uInt32* pInfo,
sal_Size* pSrcCvtBytes );
sal_Size ImplUnicodeToDBCS( const void* pData, void* pContext,
const sal_Unicode* pSrcBuf, sal_Size nSrcChars,
char* pDestBuf, sal_Size nDestBytes,
sal_uInt32 nFlags, sal_uInt32* pInfo,
sal_Size* pSrcCvtChars );
sal_Size ImplEUCJPToUnicode( const void* pData,
void* pContext,
const char* pSrcBuf, sal_Size nSrcBytes,
sal_Unicode* pDestBuf, sal_Size nDestChars,
sal_uInt32 nFlags, sal_uInt32* pInfo,
sal_Size* pSrcCvtBytes );
sal_Size ImplUnicodeToEUCJP( const void* pData,
void* pContext,
const sal_Unicode* pSrcBuf, sal_Size nSrcChars,
char* pDestBuf, sal_Size nDestBytes,
sal_uInt32 nFlags, sal_uInt32* pInfo,
sal_Size* pSrcCvtChars );
void* ImplUTF7CreateUTF7TextToUnicodeContext();
void ImplUTF7DestroyTextToUnicodeContext( void* pContext );
void ImplUTF7ResetTextToUnicodeContext( void* pContext );
sal_Size ImplUTF7ToUnicode( const void* pData, void* pContext,
const char* pSrcBuf, sal_Size nSrcBytes,
sal_Unicode* pDestBuf, sal_Size nDestChars,
sal_uInt32 nFlags, sal_uInt32* pInfo,
sal_Size* pSrcCvtBytes );
void* ImplUTF7CreateUnicodeToTextContext();
void ImplUTF7DestroyUnicodeToTextContext( void* pContext );
void ImplUTF7ResetUnicodeToTextContext( void* pContext );
sal_Size ImplUnicodeToUTF7( const void* pData, void* pContext,
const sal_Unicode* pSrcBuf, sal_Size nSrcChars,
char* pDestBuf, sal_Size nDestBytes,
sal_uInt32 nFlags, sal_uInt32* pInfo,
sal_Size* pSrcCvtChars );
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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