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Diffstat (limited to 'i18npool/inc/cclass_unicode.hxx')
| -rw-r--r-- | i18npool/inc/cclass_unicode.hxx | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/i18npool/inc/cclass_unicode.hxx b/i18npool/inc/cclass_unicode.hxx new file mode 100644 index 0000000000..3a5f28f124 --- /dev/null +++ b/i18npool/inc/cclass_unicode.hxx @@ -0,0 +1,187 @@ +/* -*- 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 . + */ +#pragma once + +#include <com/sun/star/i18n/XCharacterClassification.hpp> +#include <cppuhelper/implbase.hxx> +#include <com/sun/star/lang/XServiceInfo.hpp> +#include <rtl/ref.hxx> + +#include <o3tl/typed_flags_set.hxx> +#include <memory> + +namespace com::sun::star::uno { class XComponentContext; } +namespace com::sun::star::i18n { class XNativeNumberSupplier; } +namespace com::sun::star::i18n { class XLocaleData5; } +namespace i18npool { class Transliteration_casemapping; } + + +/// Flag values of table. +enum class ParserFlags : sal_uInt32 { + ILLEGAL = 0x00000000, + CHAR = 0x00000001, + CHAR_BOOL = 0x00000002, + CHAR_WORD = 0x00000004, + CHAR_VALUE = 0x00000008, + CHAR_STRING = 0x00000010, + CHAR_DONTCARE = 0x00000020, + BOOL = 0x00000040, + WORD = 0x00000080, + WORD_SEP = 0x00000100, + VALUE = 0x00000200, + VALUE_SEP = 0x00000400, + VALUE_EXP = 0x00000800, + VALUE_SIGN = 0x00001000, + VALUE_EXP_VALUE = 0x00002000, + VALUE_DIGIT = 0x00004000, + NAME_SEP = 0x20000000, + STRING_SEP = 0x40000000, + EXCLUDED = 0x80000000, +}; +namespace o3tl { + template<> struct typed_flags<ParserFlags> : is_typed_flags<ParserFlags, 0xe0007fff> {}; +} + + +namespace i18npool { + +class cclass_Unicode final : public cppu::WeakImplHelper < css::i18n::XCharacterClassification, css::lang::XServiceInfo > +{ +public: + cclass_Unicode(css::uno::Reference < css::uno::XComponentContext > xContext ); + virtual ~cclass_Unicode() override; + + virtual OUString SAL_CALL toUpper( const OUString& Text, sal_Int32 nPos, sal_Int32 nCount, + const css::lang::Locale& rLocale ) override; + virtual OUString SAL_CALL toLower( const OUString& Text, sal_Int32 nPos, sal_Int32 nCount, + const css::lang::Locale& rLocale ) override; + virtual OUString SAL_CALL toTitle( const OUString& Text, sal_Int32 nPos, sal_Int32 nCount, + const css::lang::Locale& rLocale ) override; + virtual sal_Int16 SAL_CALL getType( const OUString& Text, sal_Int32 nPos ) override; + virtual sal_Int16 SAL_CALL getCharacterDirection( const OUString& Text, sal_Int32 nPos ) override; + virtual sal_Int16 SAL_CALL getScript( const OUString& Text, sal_Int32 nPos ) override; + virtual sal_Int32 SAL_CALL getCharacterType( const OUString& text, sal_Int32 nPos, + const css::lang::Locale& rLocale ) override; + virtual sal_Int32 SAL_CALL getStringType( const OUString& text, sal_Int32 nPos, sal_Int32 nCount, + const css::lang::Locale& rLocale ) override; + virtual css::i18n::ParseResult SAL_CALL parseAnyToken( const OUString& Text, sal_Int32 nPos, + const css::lang::Locale& rLocale, sal_Int32 nStartCharFlags, const OUString& userDefinedCharactersStart, + sal_Int32 nContCharFlags, const OUString& userDefinedCharactersCont ) override; + virtual css::i18n::ParseResult SAL_CALL parsePredefinedToken( sal_Int32 nTokenType, const OUString& Text, + sal_Int32 nPos, const css::lang::Locale& rLocale, sal_Int32 nStartCharFlags, + const OUString& userDefinedCharactersStart, sal_Int32 nContCharFlags, + const OUString& userDefinedCharactersCont ) override; + + //XServiceInfo + virtual OUString SAL_CALL getImplementationName() override; + virtual sal_Bool SAL_CALL supportsService(const OUString& ServiceName) override; + virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override; + +private: + // These are performance sensitive, so we don't want to use locking and switch their state, so just + // have multiple copies. + rtl::Reference<Transliteration_casemapping> transToUpper; + rtl::Reference<Transliteration_casemapping> transToLower; + rtl::Reference<Transliteration_casemapping> transToTitle; + +// --- parser specific (implemented in cclass_unicode_parser.cxx) --- + + enum ScanState + { + ssGetChar, // initial state; -> ssBounce, ssGetValue, ssRewindFromValue, ssGetWord, ssGetWordFirstChar, ssGetString, ssGetBool, ssStop + ssGetValue, // -> ssBounce, ssRewindFromValue, ssStopBack, ssGetWord + ssGetWord, // -> ssBounce, ssStop, ssStopBack + ssGetWordFirstChar, // -> ssBounce, ssGetWord, ssStop, ssStopBack + ssGetString, // -> ssBounce, ssStop + ssGetBool, // -> ssBounce, ssStop, ssStopBack + ssRewindFromValue, // -> ssBounce, ssGetValue, ssGetWord, ssGetWordFirstChar, ssGetString, ssGetBool, ssStop, ssIgnoreLeadingInRewind + ssIgnoreLeadingInRewind, // -> ssBounce, ssGetValue, ssRewindFromValue, ssGetWord, ssGetWordFirstChar, ssGetString, ssGetBool, ssStop + ssStopBack, // -> ssStop + ssBounce, // -> ssStopBack + ssStop + }; + + static const sal_uInt8 nDefCnt; + static const ParserFlags pDefaultParserTable[]; + static const sal_Int32 pParseTokensType[]; + + /// If and where c occurs in pStr + static const sal_Unicode* StrChr( const sal_Unicode* pStr, sal_uInt32 c ); + + + css::uno::Reference < css::uno::XComponentContext > m_xContext; + + /// used for parser only + css::lang::Locale aParserLocale; + css::uno::Reference < css::i18n::XLocaleData5 > mxLocaleData; + css::uno::Reference < css::i18n::XNativeNumberSupplier > xNatNumSup; + OUString aStartChars; + OUString aContChars; + std::unique_ptr<ParserFlags[]> pTable; + std::unique_ptr<ParserFlags[]> pStart; + std::unique_ptr<ParserFlags[]> pCont; + sal_Int32 nStartTypes; + sal_Int32 nContTypes; + sal_Unicode cGroupSep; + sal_Unicode cDecimalSep; + sal_Unicode cDecimalSepAlt; + + /// Get corresponding KParseTokens flag for a character + static sal_Int32 getParseTokensType(sal_uInt32 c, bool isFirst); + + /// Access parser table flags. + ParserFlags getFlags(sal_uInt32 c, ScanState eState); + + /// Access parser flags via International and special definitions. + ParserFlags getFlagsExtended(sal_uInt32 c, ScanState eState) const; + + /// Access parser table flags for user defined start characters. + ParserFlags getStartCharsFlags( sal_uInt32 c ); + + /// Access parser table flags for user defined continuation characters. + ParserFlags getContCharsFlags( sal_Unicode c ); + + /// Setup parser table. Calls initParserTable() only if needed. + void setupParserTable( const css::lang::Locale& rLocale, sal_Int32 startCharTokenType, + const OUString& userDefinedCharactersStart, sal_Int32 contCharTokenType, + const OUString& userDefinedCharactersCont ); + + /// Init parser table. + void initParserTable( const css::lang::Locale& rLocale, sal_Int32 startCharTokenType, + const OUString& userDefinedCharactersStart, sal_Int32 contCharTokenType, + const OUString& userDefinedCharactersCont ); + + /// Destroy parser table. + void destroyParserTable(); + + /// Parse a text. + void parseText( css::i18n::ParseResult& r, const OUString& rText, sal_Int32 nPos, + sal_Int32 nTokenType = 0xffffffff ); + + /// Setup International class, new'ed only if different from existing. + void setupInternational( const css::lang::Locale& rLocale ); + + /// Implementation of getCharacterType() for one single character + static sal_Int32 getCharType( std::u16string_view Text, sal_Int32 *nPos, sal_Int32 increment); + +}; + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |