129 lines
3.9 KiB
C++
129 lines
3.9 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2008 by Sun Microsystems, Inc.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: convertsinglebytetobmpunicode.hxx,v $
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* $Revision: 1.4 $
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#ifndef INCLUDED_sal_textenc_convertsinglebytetobmpunicode_hxx
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#define INCLUDED_sal_textenc_convertsinglebytetobmpunicode_hxx
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#include "tenchelp.h"
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#include "sal/types.h"
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#include <cstddef>
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/// @HTML
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namespace rtl { namespace textenc {
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/**
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Maps a range of BMP Unicode code points to individual bytes.
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@see rtl::textenc::BmpUnicodeToSingleByteConverterData
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*/
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struct BmpUnicodeToSingleByteRange {
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/**
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The start of the range of BMP Unicode code points.
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*/
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sal_Unicode unicode;
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/**
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The extend of the range of BMP Unicode code points.
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<p>The range covers <code>unicode</code> to <code>unicode + range</code>,
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inclusive. It is an error if <code>unicode + range</code> is greater
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than <code>0xFFFF</code>.</p>
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*/
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sal_uInt8 range;
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/**
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The start of the corresponding range of individual bytes.
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<p>It is an error if <code>byte + range</code> is greater than
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<code>0xFF</code>.</p>
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*/
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sal_uInt8 byte;
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};
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/**
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Data to convert between BMP Unicode and a single-byte character set.
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<p>Only supports conversions where each legal unit from the single-byte
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character set has one or more mappings to individual BMP Unicode code points
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that are neither noncharacters nor surrogates.</p>
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@see rtl_textenc_convertSingleByteToBmpUnicode
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@see rtl_textenc_convertBmpUnicodeToSingleByte
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*/
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struct BmpUnicodeToSingleByteConverterData {
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/**
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Mapping from the single-byte character set to BMP Unicode code points.
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<p>Illegal units from the single-byte character set are mapped to
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<code>0xFFFF</code>.</p>
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*/
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sal_Unicode byteToUnicode[256];
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/**
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The number of Unicode-to-byte conversion ranges.
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*/
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std::size_t unicodeToByteEntries;
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/**
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The array of Unicode-to-byte conversion ranges, sorted by increasing
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<code>unicode</code> values.
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<p>The ranges may not overlap.</p>
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*/
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BmpUnicodeToSingleByteRange const * unicodeToByte;
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};
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} }
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/**
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Function to convert from a single-byte character set to BMP Unicode.
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@see ImplConvertToUnicodeProc
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*/
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extern "C" sal_Size rtl_textenc_convertSingleByteToBmpUnicode(
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ImplTextConverterData const * data, void * context, sal_Char const * srcBuf,
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sal_Size srcBytes, sal_Unicode * destBuf, sal_Size destChars,
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sal_uInt32 flags, sal_uInt32 * info, sal_Size * srcCvtBytes);
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/**
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Function to convert from BMP Unicode to a single-byte character set.
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@see ImplConvertToTextProc
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*/
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extern "C" sal_Size rtl_textenc_convertBmpUnicodeToSingleByte(
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ImplTextConverterData const * data, void * context,
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sal_Unicode const * srcBuf, sal_Size srcChars, sal_Char * destBuf,
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sal_Size destBytes, sal_uInt32 flags, sal_uInt32 * info,
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sal_Size * srcCvtChars);
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#endif
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