154 lines
4 KiB
C++
154 lines
4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#include <sal/config.h>
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#include <rtl/textcvt.h>
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#include <cstdlib>
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#include <iterator>
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#include <stdio.h>
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namespace {
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struct Encoder
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{
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rtl_UnicodeToTextConverter m_aConverter;
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bool m_bCapable;
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const char *m_pEncoding;
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Encoder(rtl_TextEncoding nEncoding, const char *pEncoding)
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: m_aConverter(rtl_createUnicodeToTextConverter(nEncoding))
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, m_bCapable(true)
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, m_pEncoding(pEncoding)
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{
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}
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~Encoder()
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{
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rtl_destroyUnicodeToTextConverter(m_aConverter);
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}
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void checkSupports(sal_Unicode c)
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{
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char aTempArray[8];
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sal_Size nTempSize;
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sal_uInt32 nCvtInfo;
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sal_Size nChars = rtl_convertUnicodeToText(m_aConverter,
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nullptr, &c, 1, aTempArray, sizeof(aTempArray),
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RTL_UNICODETOTEXT_FLAGS_UNDEFINED_ERROR | RTL_UNICODETOTEXT_FLAGS_INVALID_ERROR,
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&nCvtInfo, &nTempSize);
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m_bCapable = nChars > 0;
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}
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void reset()
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{
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m_bCapable = true;
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}
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bool isOK() const
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{
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return m_bCapable;
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}
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const char* getName() const
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{
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return m_pEncoding;
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}
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};
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}
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int main()
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{
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# define EXP(x) Encoder(x, #x)
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Encoder aConverters[15] =
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{
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EXP(RTL_TEXTENCODING_MS_1361),
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EXP(RTL_TEXTENCODING_MS_950),
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EXP(RTL_TEXTENCODING_MS_949),
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EXP(RTL_TEXTENCODING_MS_936),
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EXP(RTL_TEXTENCODING_MS_932),
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EXP(RTL_TEXTENCODING_MS_874),
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EXP(RTL_TEXTENCODING_MS_1258),
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EXP(RTL_TEXTENCODING_MS_1257),
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EXP(RTL_TEXTENCODING_MS_1256),
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EXP(RTL_TEXTENCODING_MS_1255),
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EXP(RTL_TEXTENCODING_MS_1254),
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EXP(RTL_TEXTENCODING_MS_1253),
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EXP(RTL_TEXTENCODING_MS_1251),
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EXP(RTL_TEXTENCODING_MS_1250),
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EXP(RTL_TEXTENCODING_MS_1252)
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};
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printf("//Do not edit manually, generated from bestreversemap.cxx\n");
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printf("#include <rtl/textenc.h>\n");
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printf("#include <tools/tenccvt.hxx>\n");
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printf("rtl_TextEncoding getBestMSEncodingByChar(sal_Unicode c)\n");
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printf("{\n");
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sal_Unicode c = 0;
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while (c < 0xFFFF)
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{
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for (size_t i = 0; i < std::size(aConverters); ++i)
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aConverters[i].reset();
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int nMostCapable = -1;
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while(c < 0xFFFF)
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{
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bool bSomethingCapable = false;
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for (size_t i = 0; i < std::size(aConverters); ++i)
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{
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if (aConverters[i].isOK())
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aConverters[i].checkSupports(c);
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if (aConverters[i].isOK())
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{
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bSomethingCapable = true;
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nMostCapable = i;
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}
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}
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if (!bSomethingCapable)
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break;
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++c;
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}
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sal_Unicode cEnd = c;
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printf(" if (c < 0x%x)\n", c);
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printf(" return %s;\n", aConverters[nMostCapable].getName());
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while(c < 0xFFFF)
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{
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bool bNothingCapable = true;
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for (size_t i = 0; i < std::size(aConverters); ++i)
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{
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aConverters[i].checkSupports(c);
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if (aConverters[i].isOK())
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{
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bNothingCapable = false;
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break;
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}
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}
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if (!bNothingCapable)
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break;
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++c;
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}
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if (cEnd != c)
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{
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if (c < 0xFFFF)
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{
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printf(" if (c < 0x%x)\n", c);
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printf(" return RTL_TEXTENCODING_DONTKNOW;\n");
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}
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else
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printf(" return RTL_TEXTENCODING_DONTKNOW;\n");
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}
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}
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printf("}\n");
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fflush(stdout);
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return EXIT_SUCCESS;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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