diff options
Diffstat (limited to 'sal/textenc/textenc.cxx')
| -rw-r--r-- | sal/textenc/textenc.cxx | 436 |
1 files changed, 436 insertions, 0 deletions
diff --git a/sal/textenc/textenc.cxx b/sal/textenc/textenc.cxx new file mode 100644 index 000000000..5765637fd --- /dev/null +++ b/sal/textenc/textenc.cxx @@ -0,0 +1,436 @@ +/* -*- 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 . + */ + +/* TODO! This file should not be called textenc.c, because it is not the + implementation of rtl/textenc.h. Rather, it should be called + gettextencodingdata.c. */ + +#include <sal/config.h> + +#include <cstddef> +#include <cstdlib> + +#include <osl/module.hxx> +#include <rtl/textenc.h> +#include <rtl/ustring.h> +#include <rtl/ustring.hxx> +#include <sal/log.hxx> +#include <sal/macros.h> +#include <sal/types.h> + +#include "convertsimple.hxx" +#include "gettextencodingdata.hxx" +#include "tcvtbyte.hxx" +#include "tcvtutf8.hxx" +#include "tenchelp.hxx" + +#define NOTABUNI_START 0xFF +#define NOTABUNI_END 0x00 + +#define NOTABCHAR_START 0xFFFF +#define NOTABCHAR_END 0x0000 + +#define SAME8090UNI_START 0x80 +#define SAME8090UNI_END 0x9F +sal_uInt16 const aImpl8090SameToUniTab[SAME8090UNI_END + - SAME8090UNI_START + + 1] += { 0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087, /* 0x80 */ + 0x0088, 0x0089, 0x008A, 0x008B, 0x008C, 0x008D, 0x008E, 0x008F, + 0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097, /* 0x90 */ + 0x0098, 0x0099, 0x009A, 0x009B, 0x009C, 0x009D, 0x009E, 0x009F }; + +#define SAME8090CHAR_START 0x0080 +#define SAME8090CHAR_END 0x009F +unsigned char const aImpl8090SameToCharTab[SAME8090CHAR_END + - SAME8090CHAR_START + + 1] + = { 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, /* 0x0080 */ + 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F, + 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, /* 0x0090 */ + 0x98, 0x99, 0x9A, 0x9B, 0x9C, 0x9D, 0x9E, 0x9F }; + +#define SAMEA0FFCHAR_START 0x00A0 +#define SAMEA0FFCHAR_END 0x00FF +unsigned char const aImplA0FFSameToCharTab[SAMEA0FFCHAR_END + - SAMEA0FFCHAR_START + + 1] + = { 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, /* 0x00A0 */ + 0xA8, 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF, + 0xB0, 0xB1, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, /* 0x00B0 */ + 0xB8, 0xB9, 0xBA, 0xBB, 0xBC, 0xBD, 0xBE, 0xBF, + 0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, /* 0x00C0 */ + 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF, + 0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, /* 0x00D0 */ + 0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF, + 0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, /* 0x00E0 */ + 0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF, + 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, /* 0x00F0 */ + 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF }; + +/* ======================================================================= */ + +/* MS-1252 */ +/* Windows Standard CharSet (ANSI) for Western Script */ +/* 1-Byte, 0x00-0x7F ASCII without exception */ +/* Convert-Tables: mappings/vendors/micsft/windows/cp1252.txt from 04/15/98 Version 2.01 */ +/* Last-Changes from us: */ + +/* ----------------------------------------------------------------------- */ + +#define MS1252UNI_START 0x80 +#define MS1252UNI_END 0xFF +sal_uInt16 const aImplMS1252ToUniTab[MS1252UNI_END - MS1252UNI_START + 1] = +{ +/* 0 1 2 3 4 5 6 7 */ +/* 8 9 A B C D E F */ + 0x20AC, 0, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021, /* 0x80 */ + 0x02C6, 0x2030, 0x0160, 0x2039, 0x0152, 0, 0x017D, 0, /* 0x80 */ + 0, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014, /* 0x90 */ + 0x02DC, 0x2122, 0x0161, 0x203A, 0x0153, 0, 0x017E, 0x0178, /* 0x90 */ + 0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7, /* 0xA0 */ + 0x00A8, 0x00A9, 0x00AA, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF, /* 0xA0 */ + 0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7, /* 0xB0 */ + 0x00B8, 0x00B9, 0x00BA, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF, /* 0xB0 */ + 0x00C0, 0x00C1, 0x00C2, 0x00C3, 0x00C4, 0x00C5, 0x00C6, 0x00C7, /* 0xC0 */ + 0x00C8, 0x00C9, 0x00CA, 0x00CB, 0x00CC, 0x00CD, 0x00CE, 0x00CF, /* 0xC0 */ + 0x00D0, 0x00D1, 0x00D2, 0x00D3, 0x00D4, 0x00D5, 0x00D6, 0x00D7, /* 0xD0 */ + 0x00D8, 0x00D9, 0x00DA, 0x00DB, 0x00DC, 0x00DD, 0x00DE, 0x00DF, /* 0xD0 */ + 0x00E0, 0x00E1, 0x00E2, 0x00E3, 0x00E4, 0x00E5, 0x00E6, 0x00E7, /* 0xE0 */ + 0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x00EC, 0x00ED, 0x00EE, 0x00EF, /* 0xE0 */ + 0x00F0, 0x00F1, 0x00F2, 0x00F3, 0x00F4, 0x00F5, 0x00F6, 0x00F7, /* 0xF0 */ + 0x00F8, 0x00F9, 0x00FA, 0x00FB, 0x00FC, 0x00FD, 0x00FE, 0x00FF /* 0xF0 */ +}; + +/* ----------------------------------------------------------------------- */ + +#define MS1252TOCHARTABEX_COUNT 27 +ImplUniCharTabData const aImplMS1252ToCharTabEx[MS1252TOCHARTABEX_COUNT] = +{ + { 0x0152, 0x8C, 0 }, + { 0x0153, 0x9C, 0 }, + { 0x0160, 0x8A, 0 }, + { 0x0161, 0x9A, 0 }, + { 0x0178, 0x9F, 0 }, + { 0x017D, 0x8E, 0 }, + { 0x017E, 0x9E, 0 }, + { 0x0192, 0x83, 0 }, + { 0x02C6, 0x88, 0 }, + { 0x02DC, 0x98, 0 }, + { 0x2013, 0x96, 0 }, + { 0x2014, 0x97, 0 }, + { 0x2018, 0x91, 0 }, + { 0x2019, 0x92, 0 }, + { 0x201A, 0x82, 0 }, + { 0x201C, 0x93, 0 }, + { 0x201D, 0x94, 0 }, + { 0x201E, 0x84, 0 }, + { 0x2020, 0x86, 0 }, + { 0x2021, 0x87, 0 }, + { 0x2022, 0x95, 0 }, + { 0x2026, 0x85, 0 }, + { 0x2030, 0x89, 0 }, + { 0x2039, 0x8B, 0 }, + { 0x203A, 0x9B, 0 }, + { 0x20AC, 0x80, 0 }, + { 0x2122, 0x99, 0 }, +}; + +/* ----------------------------------------------------------------------- */ + +ImplByteConvertData const aImplMS1252ByteCvtData = +{ + aImplMS1252ToUniTab, + nullptr, + aImplA0FFSameToCharTab, + nullptr, + aImplMS1252ToCharTabEx, + MS1252UNI_START, MS1252UNI_END, + NOTABUNI_START, NOTABUNI_END, + SAMEA0FFCHAR_START, SAMEA0FFCHAR_END, + NOTABCHAR_START, NOTABCHAR_END, + MS1252TOCHARTABEX_COUNT +}; + +/* ----------------------------------------------------------------------- */ + +ImplTextEncodingData const aImplMS1252TextEncodingData + = { { &aImplMS1252ByteCvtData, + sal::detail::textenc::convertCharToUnicode, + sal::detail::textenc::convertUnicodeToChar, + nullptr, + nullptr, + nullptr, + nullptr, + nullptr, + nullptr }, + "iso8859-1", + "windows-1252", + 1, + 1, + 1, + 0, + RTL_TEXTENCODING_INFO_ASCII | RTL_TEXTENCODING_INFO_MIME }; + /* WIN, SCRIPT_LATIN, pc code page 850 */ + +/* ======================================================================= */ + +/* ISO-8859-1 */ +/* Unix Standard CharSet (Latin1) for Western Script */ +/* 1-Byte, 0x00-0x7F ASCII without exception, 0x80-0x9F control character like in Unicode */ +/* Convert-Tables: mappings/iso8859/8859-1.txt from 07/27/99 Version 1.0 (based on Unicode 3.0) */ +/* Last-Changes from us: */ + +#define ISO88591UNI_START 0xA0 +#define ISO88591UNI_END 0xFF +sal_uInt16 const aImplISO88591ToUniTab[ISO88591UNI_END - ISO88591UNI_START + 1] = +{ +/* 0 1 2 3 4 5 6 7 */ +/* 8 9 A B C D E F */ + 0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7, /* 0xA0 */ + 0x00A8, 0x00A9, 0x00AA, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF, /* 0xA0 */ + 0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7, /* 0xB0 */ + 0x00B8, 0x00B9, 0x00BA, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF, /* 0xB0 */ + 0x00C0, 0x00C1, 0x00C2, 0x00C3, 0x00C4, 0x00C5, 0x00C6, 0x00C7, /* 0xC0 */ + 0x00C8, 0x00C9, 0x00CA, 0x00CB, 0x00CC, 0x00CD, 0x00CE, 0x00CF, /* 0xC0 */ + 0x00D0, 0x00D1, 0x00D2, 0x00D3, 0x00D4, 0x00D5, 0x00D6, 0x00D7, /* 0xD0 */ + 0x00D8, 0x00D9, 0x00DA, 0x00DB, 0x00DC, 0x00DD, 0x00DE, 0x00DF, /* 0xD0 */ + 0x00E0, 0x00E1, 0x00E2, 0x00E3, 0x00E4, 0x00E5, 0x00E6, 0x00E7, /* 0xE0 */ + 0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x00EC, 0x00ED, 0x00EE, 0x00EF, /* 0xE0 */ + 0x00F0, 0x00F1, 0x00F2, 0x00F3, 0x00F4, 0x00F5, 0x00F6, 0x00F7, /* 0xF0 */ + 0x00F8, 0x00F9, 0x00FA, 0x00FB, 0x00FC, 0x00FD, 0x00FE, 0x00FF /* 0xF0 */ +}; + +/* ----------------------------------------------------------------------- */ + +ImplByteConvertData const aImplISO88591ByteCvtData = +{ + aImplISO88591ToUniTab, + aImpl8090SameToUniTab, + aImplA0FFSameToCharTab, + aImpl8090SameToCharTab, + nullptr, + ISO88591UNI_START, ISO88591UNI_END, + SAME8090UNI_START, SAME8090UNI_END, + SAMEA0FFCHAR_START, SAMEA0FFCHAR_END, + SAME8090CHAR_START, SAME8090CHAR_END, + 0 +}; + +/* ----------------------------------------------------------------------- */ + +ImplTextEncodingData const aImplISO88591TextEncodingData + = { { &aImplISO88591ByteCvtData, + sal::detail::textenc::convertCharToUnicode, + sal::detail::textenc::convertUnicodeToChar, + nullptr, + nullptr, + nullptr, + nullptr, + nullptr, + nullptr }, + "iso8859-1", + "iso-8859-1", + 1, + 1, + 1, + 0, + RTL_TEXTENCODING_INFO_ASCII | RTL_TEXTENCODING_INFO_MIME }; + /* SCRIPT_LATIN, pc code page 850 */ + +/* ======================================================================= */ + +/* US-ASCII */ +/* 7-Bit ASCII */ +/* 1-Byte, 0x00-0x7F ASCII without exception */ +/* For the import we use ISO-8859-1 with MS extension (MS-1252), because */ +/* when the 8-Bit is set, the chance, that this is an ISO-8859-1 character */ +/* is the greatest. For the export all chars greater than 127 are not */ +/* converted and are replaced by the replacement character. */ +/* Last-Changes from us: */ + +/* ----------------------------------------------------------------------- */ + +ImplByteConvertData const aImplUSASCIIByteCvtData = +{ + aImplMS1252ToUniTab, + nullptr, + nullptr, + nullptr, + nullptr, + MS1252UNI_START, MS1252UNI_END, + NOTABUNI_START, NOTABUNI_END, + NOTABCHAR_START, NOTABCHAR_END, + NOTABCHAR_START, NOTABCHAR_END, + 0 +}; + +/* ----------------------------------------------------------------------- */ + +ImplTextEncodingData const aImplUSASCIITextEncodingData + = { { &aImplUSASCIIByteCvtData, + sal::detail::textenc::convertCharToUnicode, + sal::detail::textenc::convertUnicodeToChar, + nullptr, + nullptr, + nullptr, + nullptr, + nullptr, + nullptr }, + "iso8859-1", + "us-ascii", + 1, + 1, + 1, + 0, + RTL_TEXTENCODING_INFO_ASCII + | RTL_TEXTENCODING_INFO_7BIT + | RTL_TEXTENCODING_INFO_MIME }; + /* SCRIPT_LATIN, pc code page 437 */ + +ImplTextEncodingData const aImplUTF8TextEncodingData + = { { nullptr, + &ImplConvertUtf8ToUnicode, + &ImplConvertUnicodeToUtf8, + &ImplCreateUtf8ToUnicodeContext, + &ImplDestroyUtf8ToUnicodeContext, + &ImplResetUtf8ToUnicodeContext, + &ImplCreateUnicodeToUtf8Context, + &ImplDestroyUnicodeToUtf8Context, + &ImplResetUnicodeToUtf8Context }, + "iso8859-1", + "utf-8", + 1, + 6, + 1, + 0, + RTL_TEXTENCODING_INFO_ASCII + | RTL_TEXTENCODING_INFO_UNICODE + | RTL_TEXTENCODING_INFO_MULTIBYTE + | RTL_TEXTENCODING_INFO_MIME }; + /* SCRIPT_UNICODE, pc code page 850 */ + +static char aImplJavaUtf8TextConverterTag; + /* The value of this tag is irrelevant. Only its address != NULL is used to + distinguish between RTL_TEXTENCODING_UTF8 and + RTL_TEXTENCODING_JAVA_UTF8. */ + +ImplTextEncodingData const aImplJavaUtf8TextEncodingData + = { { &aImplJavaUtf8TextConverterTag, + &ImplConvertUtf8ToUnicode, + &ImplConvertUnicodeToUtf8, + &ImplCreateUtf8ToUnicodeContext, + &ImplDestroyUtf8ToUnicodeContext, + &ImplResetUtf8ToUnicodeContext, + &ImplCreateUnicodeToUtf8Context, + &ImplDestroyUnicodeToUtf8Context, + &ImplResetUnicodeToUtf8Context }, + nullptr, + nullptr, + 1, + 3, + 1, + 0, + RTL_TEXTENCODING_INFO_UNICODE | RTL_TEXTENCODING_INFO_MULTIBYTE }; + +namespace { + +#ifndef COND_LIB_SAL_TEXTENC + +extern "C" ImplTextEncodingData const * sal_getFullTextEncodingData( + rtl_TextEncoding); // from tables.cxx in sal_textenc library + +class FullTextEncodingData { +public: + ImplTextEncodingData const * get(rtl_TextEncoding encoding) { + (void) this; // loplugin:staticmethods + return sal_getFullTextEncodingData(encoding); + } + FullTextEncodingData() = default; + FullTextEncodingData(const FullTextEncodingData&) = delete; + FullTextEncodingData& operator=(const FullTextEncodingData&) = delete; +}; + +#else + +extern "C" { + +typedef ImplTextEncodingData const * TextEncodingFunction(rtl_TextEncoding); + +void thisModule() {} + +} + +class FullTextEncodingData { +public: + FullTextEncodingData() { + if (!module_.loadRelative(&thisModule, SAL_MODULENAME("sal_textenclo"))) + { + SAL_WARN( "sal.textenc", "Loading sal_textenc library failed" ); + std::abort(); + } + function_ = reinterpret_cast< TextEncodingFunction * >( + module_.getFunctionSymbol("sal_getFullTextEncodingData")); + if (function_ == nullptr) { + SAL_WARN( "sal.textenc", "Obtaining sal_getFullTextEncodingData function from sal_textenc" + " library failed"); + std::abort(); + } + } + + ImplTextEncodingData const * get(rtl_TextEncoding encoding) const { + return (*function_)(encoding); + } + + FullTextEncodingData(const FullTextEncodingData&) = delete; + FullTextEncodingData& operator=(const FullTextEncodingData&) = delete; + +private: + osl::Module module_; + TextEncodingFunction * function_; +}; + +#endif + +} + +ImplTextEncodingData const * +Impl_getTextEncodingData(rtl_TextEncoding nEncoding) +{ + switch(nEncoding) + { + case RTL_TEXTENCODING_ASCII_US: + return &aImplUSASCIITextEncodingData; break; + case RTL_TEXTENCODING_MS_1252: + return &aImplMS1252TextEncodingData; break; + case RTL_TEXTENCODING_UTF8: + return &aImplUTF8TextEncodingData; break; + case RTL_TEXTENCODING_JAVA_UTF8: + return &aImplJavaUtf8TextEncodingData; break; + case RTL_TEXTENCODING_ISO_8859_1: + return &aImplISO88591TextEncodingData; break; + default: + { + static FullTextEncodingData gFullTextEncodingData; + return gFullTextEncodingData.get(nEncoding); + } + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |