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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef INCLUDED_sal_textenc_convertsinglebytetobmpunicode_hxx
#define INCLUDED_sal_textenc_convertsinglebytetobmpunicode_hxx
#include "tenchelp.h"
#include "sal/types.h"
#include <cstddef>
/// @HTML
namespace rtl { namespace textenc {
/**
Maps a range of BMP Unicode code points to individual bytes.
@see rtl::textenc::BmpUnicodeToSingleByteConverterData
*/
struct BmpUnicodeToSingleByteRange {
/**
The start of the range of BMP Unicode code points.
*/
sal_Unicode unicode;
/**
The extend of the range of BMP Unicode code points.
<p>The range covers <code>unicode</code> to <code>unicode + range</code>,
inclusive. It is an error if <code>unicode + range</code> is greater
than <code>0xFFFF</code>.</p>
*/
sal_uInt8 range;
/**
The start of the corresponding range of individual bytes.
<p>It is an error if <code>byte + range</code> is greater than
<code>0xFF</code>.</p>
*/
sal_uInt8 byte;
};
/**
Data to convert between BMP Unicode and a single-byte character set.
<p>Only supports conversions where each legal unit from the single-byte
character set has one or more mappings to individual BMP Unicode code points
that are neither noncharacters nor surrogates.</p>
@see rtl_textenc_convertSingleByteToBmpUnicode
@see rtl_textenc_convertBmpUnicodeToSingleByte
*/
struct BmpUnicodeToSingleByteConverterData {
/**
Mapping from the single-byte character set to BMP Unicode code points.
<p>Illegal units from the single-byte character set are mapped to
<code>0xFFFF</code>.</p>
*/
sal_Unicode byteToUnicode[256];
/**
The number of Unicode-to-byte conversion ranges.
*/
std::size_t unicodeToByteEntries;
/**
The array of Unicode-to-byte conversion ranges, sorted by increasing
<code>unicode</code> values.
<p>The ranges may not overlap.</p>
*/
BmpUnicodeToSingleByteRange const * unicodeToByte;
};
} }
/**
Function to convert from a single-byte character set to BMP Unicode.
@see ImplConvertToUnicodeProc
*/
extern "C" sal_Size rtl_textenc_convertSingleByteToBmpUnicode(
ImplTextConverterData const * data, void * context, sal_Char const * srcBuf,
sal_Size srcBytes, sal_Unicode * destBuf, sal_Size destChars,
sal_uInt32 flags, sal_uInt32 * info, sal_Size * srcCvtBytes);
/**
Function to convert from BMP Unicode to a single-byte character set.
@see ImplConvertToTextProc
*/
extern "C" sal_Size rtl_textenc_convertBmpUnicodeToSingleByte(
ImplTextConverterData const * data, void * context,
sal_Unicode const * srcBuf, sal_Size srcChars, sal_Char * destBuf,
sal_Size destBytes, sal_uInt32 flags, sal_uInt32 * info,
sal_Size * srcCvtChars);
#endif
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