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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/.
*/
#include <sal/config.h>
#include <rtl/textcvt.h>
#include <cstdlib>
#include <stdio.h>
namespace {
struct Encoder
{
rtl_UnicodeToTextConverter m_aConverter;
bool m_bCapable;
const char *m_pEncoding;
Encoder(rtl_TextEncoding nEncoding, const char *pEncoding)
: m_aConverter(rtl_createUnicodeToTextConverter(nEncoding))
, m_bCapable(true)
, m_pEncoding(pEncoding)
{
}
~Encoder()
{
rtl_destroyUnicodeToTextConverter(m_aConverter);
}
void checkSupports(sal_Unicode c)
{
char aTempArray[8];
sal_Size nTempSize;
sal_uInt32 nCvtInfo;
sal_Size nChars = rtl_convertUnicodeToText(m_aConverter,
nullptr, &c, 1, aTempArray, sizeof(aTempArray),
RTL_UNICODETOTEXT_FLAGS_UNDEFINED_ERROR | RTL_UNICODETOTEXT_FLAGS_INVALID_ERROR,
&nCvtInfo, &nTempSize);
m_bCapable = nChars > 0;
}
void reset()
{
m_bCapable = true;
}
bool isOK() const
{
return m_bCapable;
}
const char* getName() const
{
return m_pEncoding;
}
};
}
int main()
{
# define EXP(x) Encoder(x, #x)
Encoder aConverters[15] =
{
EXP(RTL_TEXTENCODING_MS_1361),
EXP(RTL_TEXTENCODING_MS_950),
EXP(RTL_TEXTENCODING_MS_949),
EXP(RTL_TEXTENCODING_MS_936),
EXP(RTL_TEXTENCODING_MS_932),
EXP(RTL_TEXTENCODING_MS_874),
EXP(RTL_TEXTENCODING_MS_1258),
EXP(RTL_TEXTENCODING_MS_1257),
EXP(RTL_TEXTENCODING_MS_1256),
EXP(RTL_TEXTENCODING_MS_1255),
EXP(RTL_TEXTENCODING_MS_1254),
EXP(RTL_TEXTENCODING_MS_1253),
EXP(RTL_TEXTENCODING_MS_1251),
EXP(RTL_TEXTENCODING_MS_1250),
EXP(RTL_TEXTENCODING_MS_1252)
};
printf("//Do not edit manually, generated from bestreversemap.cxx\n");
printf("#include <rtl/textenc.h>\n");
printf("#include <tools/tenccvt.hxx>\n");
printf("rtl_TextEncoding getBestMSEncodingByChar(sal_Unicode c)\n");
printf("{\n");
sal_Unicode c = 0;
while (c < 0xFFFF)
{
for (size_t i = 0; i < SAL_N_ELEMENTS(aConverters); ++i)
aConverters[i].reset();
int nMostCapable = -1;
while(c < 0xFFFF)
{
bool bSomethingCapable = false;
for (size_t i = 0; i < SAL_N_ELEMENTS(aConverters); ++i)
{
if (aConverters[i].isOK())
aConverters[i].checkSupports(c);
if (aConverters[i].isOK())
{
bSomethingCapable = true;
nMostCapable = i;
}
}
if (!bSomethingCapable)
break;
++c;
}
sal_Unicode cEnd = c;
printf(" if (c < 0x%x)\n", c);
printf(" return %s;\n", aConverters[nMostCapable].getName());
while(c < 0xFFFF)
{
bool bNothingCapable = true;
for (size_t i = 0; i < SAL_N_ELEMENTS(aConverters); ++i)
{
aConverters[i].checkSupports(c);
if (aConverters[i].isOK())
{
bNothingCapable = false;
break;
}
}
if (!bNothingCapable)
break;
++c;
}
if (cEnd != c)
{
if (c < 0xFFFF)
{
printf(" if (c < 0x%x)\n", c);
printf(" return RTL_TEXTENCODING_DONTKNOW;\n");
}
else
printf(" return RTL_TEXTENCODING_DONTKNOW;\n");
}
}
printf("}\n");
fflush(stdout);
return EXIT_SUCCESS;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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