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Diffstat (limited to 'unotools/source/i18n/charclass.cxx')
| -rw-r--r-- | unotools/source/i18n/charclass.cxx | 373 |
1 files changed, 373 insertions, 0 deletions
diff --git a/unotools/source/i18n/charclass.cxx b/unotools/source/i18n/charclass.cxx new file mode 100644 index 000000000..b577d2577 --- /dev/null +++ b/unotools/source/i18n/charclass.cxx @@ -0,0 +1,373 @@ +/* -*- 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 . + */ + +#include <comphelper/processfactory.hxx> +#include <unotools/charclass.hxx> +#include <rtl/character.hxx> +#include <tools/diagnose_ex.h> + +#include <com/sun/star/i18n/CharacterClassification.hpp> +#include <utility> + +using namespace ::com::sun::star; +using namespace ::com::sun::star::i18n; +using namespace ::com::sun::star::uno; + +CharClass::CharClass( + const Reference< uno::XComponentContext > & rxContext, + LanguageTag aLanguageTag + ) + : maLanguageTag(std::move( aLanguageTag)) +{ + xCC = CharacterClassification::create( rxContext ); +} + +CharClass::CharClass( LanguageTag aLanguageTag ) + : maLanguageTag(std::move( aLanguageTag)) +{ + xCC = CharacterClassification::create( comphelper::getProcessComponentContext() ); +} + +CharClass::~CharClass() +{ +} + +const LanguageTag& CharClass::getLanguageTag() const +{ + return maLanguageTag; +} + +const css::lang::Locale& CharClass::getMyLocale() const +{ + return maLanguageTag.getLocale(); +} + +// static +bool CharClass::isAsciiNumeric( std::u16string_view rStr ) +{ + if ( rStr.empty() ) + return false; + const sal_Unicode* p = rStr.data(); + const sal_Unicode* const pStop = p + rStr.size(); + + do + { + if ( !rtl::isAsciiDigit( *p ) ) + return false; + } + while ( ++p < pStop ); + + return true; +} + +// static +bool CharClass::isAsciiAlpha( std::u16string_view rStr ) +{ + if ( rStr.empty() ) + return false; + const sal_Unicode* p = rStr.data(); + const sal_Unicode* const pStop = p + rStr.size(); + + do + { + if ( !rtl::isAsciiAlpha( *p ) ) + return false; + } + while ( ++p < pStop ); + + return true; +} + +bool CharClass::isAlpha( const OUString& rStr, sal_Int32 nPos ) const +{ + sal_Unicode c = rStr[nPos]; + if ( c < 128 ) + return rtl::isAsciiAlpha( c ); + + try + { + return (xCC->getCharacterType( rStr, nPos, getMyLocale() ) & + nCharClassAlphaType) != 0; + } + catch ( const Exception& ) + { + TOOLS_WARN_EXCEPTION("unotools.i18n", "" ); + } + return false; +} + +bool CharClass::isLetter( const OUString& rStr, sal_Int32 nPos ) const +{ + sal_Unicode c = rStr[nPos]; + if ( c < 128 ) + return rtl::isAsciiAlpha( c ); + + try + { + return (xCC->getCharacterType( rStr, nPos, getMyLocale() ) & + nCharClassLetterType) != 0; + } + catch ( const Exception& ) + { + TOOLS_WARN_EXCEPTION("unotools.i18n", "" ); + } + return false; +} + +bool CharClass::isLetter( const OUString& rStr ) const +{ + try + { + return isLetterType( xCC->getStringType( rStr, 0, rStr.getLength(), getMyLocale() ) ); + } + catch ( const Exception& ) + { + TOOLS_WARN_EXCEPTION("unotools.i18n", "" ); + } + return false; +} + +bool CharClass::isDigit( const OUString& rStr, sal_Int32 nPos ) const +{ + sal_Unicode c = rStr[ nPos ]; + if ( c < 128 ) + return rtl::isAsciiDigit( c ); + + try + { + return (xCC->getCharacterType( rStr, nPos, getMyLocale() ) & + KCharacterType::DIGIT) != 0; + } + catch ( const Exception& ) + { + TOOLS_WARN_EXCEPTION("unotools.i18n", "" ); + } + return false; +} + +bool CharClass::isNumeric( const OUString& rStr ) const +{ + try + { + return isNumericType( xCC->getStringType( rStr, 0, rStr.getLength(), getMyLocale() ) ); + } + catch ( const Exception& ) + { + TOOLS_WARN_EXCEPTION("unotools.i18n", "" ); + } + return false; +} + +bool CharClass::isAlphaNumeric( const OUString& rStr, sal_Int32 nPos ) const +{ + sal_Unicode c = rStr[nPos]; + if ( c < 128 ) + return rtl::isAsciiAlphanumeric( c ); + + try + { + return (xCC->getCharacterType( rStr, nPos, getMyLocale() ) & + (nCharClassAlphaType | KCharacterType::DIGIT)) != 0; + } + catch ( const Exception& ) + { + TOOLS_WARN_EXCEPTION("unotools.i18n", "" ); + } + return false; +} + +bool CharClass::isLetterNumeric( const OUString& rStr, sal_Int32 nPos ) const +{ + sal_Unicode c = rStr[nPos]; + if ( c < 128 ) + return rtl::isAsciiAlphanumeric( c ); + + try + { + return (xCC->getCharacterType( rStr, nPos, getMyLocale() ) & + (nCharClassLetterType | KCharacterType::DIGIT)) != 0; + } + catch ( const Exception& ) + { + TOOLS_WARN_EXCEPTION("unotools.i18n", "" ); + } + return false; +} + +bool CharClass::isLetterNumeric( const OUString& rStr ) const +{ + try + { + return isLetterNumericType( xCC->getStringType( rStr, 0, rStr.getLength(), getMyLocale() ) ); + } + catch ( const Exception& ) + { + TOOLS_WARN_EXCEPTION("unotools.i18n", "" ); + } + return false; +} + +OUString CharClass::titlecase(const OUString& rStr, sal_Int32 nPos, sal_Int32 nCount) const +{ + try + { + return xCC->toTitle( rStr, nPos, nCount, getMyLocale() ); + } + catch ( const Exception& ) + { + TOOLS_WARN_EXCEPTION("unotools.i18n", "" ); + } + return rStr.copy( nPos, nCount ); +} + +OUString CharClass::uppercase( const OUString& rStr, sal_Int32 nPos, sal_Int32 nCount ) const +{ + try + { + return xCC->toUpper( rStr, nPos, nCount, getMyLocale() ); + } + catch ( const Exception& ) + { + TOOLS_WARN_EXCEPTION("unotools.i18n", "" ); + } + return rStr.copy( nPos, nCount ); +} + +OUString CharClass::lowercase( const OUString& rStr, sal_Int32 nPos, sal_Int32 nCount ) const +{ + try + { + return xCC->toLower( rStr, nPos, nCount, getMyLocale() ); + } + catch ( const Exception& ) + { + TOOLS_WARN_EXCEPTION("unotools.i18n", "" ); + } + return rStr.copy( nPos, nCount ); +} + +sal_Int16 CharClass::getType( const OUString& rStr, sal_Int32 nPos ) const +{ + try + { + return xCC->getType( rStr, nPos ); + } + catch ( const Exception& ) + { + TOOLS_WARN_EXCEPTION("unotools.i18n", "" ); + } + return 0; +} + +css::i18n::DirectionProperty CharClass::getCharacterDirection( const OUString& rStr, sal_Int32 nPos ) const +{ + try + { + return static_cast<css::i18n::DirectionProperty>(xCC->getCharacterDirection( rStr, nPos )); + } + catch ( const Exception& ) + { + TOOLS_WARN_EXCEPTION("unotools.i18n", "" ); + } + return css::i18n::DirectionProperty_LEFT_TO_RIGHT; +} + +css::i18n::UnicodeScript CharClass::getScript( const OUString& rStr, sal_Int32 nPos ) const +{ + try + { + return static_cast<css::i18n::UnicodeScript>(xCC->getScript( rStr, nPos )); + } + catch ( const Exception& ) + { + TOOLS_WARN_EXCEPTION("unotools.i18n", "" ); + } + return UnicodeScript_kBasicLatin; +} + +sal_Int32 CharClass::getCharacterType( const OUString& rStr, sal_Int32 nPos ) const +{ + try + { + return xCC->getCharacterType( rStr, nPos, getMyLocale() ); + } + catch ( const Exception& ) + { + TOOLS_WARN_EXCEPTION("unotools.i18n", "" ); + } + return 0; +} + +sal_Int32 CharClass::getStringType( const OUString& rStr, sal_Int32 nPos, sal_Int32 nCount ) const +{ + try + { + return xCC->getStringType( rStr, nPos, nCount, getMyLocale() ); + } + catch ( const Exception& ) + { + TOOLS_WARN_EXCEPTION("unotools.i18n", "" ); + } + return 0; +} + +css::i18n::ParseResult CharClass::parseAnyToken( + const OUString& rStr, + sal_Int32 nPos, + sal_Int32 nStartCharFlags, + const OUString& userDefinedCharactersStart, + sal_Int32 nContCharFlags, + const OUString& userDefinedCharactersCont ) const +{ + try + { + return xCC->parseAnyToken( rStr, nPos, getMyLocale(), + nStartCharFlags, userDefinedCharactersStart, + nContCharFlags, userDefinedCharactersCont ); + } + catch ( const Exception& ) + { + TOOLS_WARN_EXCEPTION( "unotools.i18n", "parseAnyToken" ); + } + return ParseResult(); +} + +css::i18n::ParseResult CharClass::parsePredefinedToken( + sal_Int32 nTokenType, + const OUString& rStr, + sal_Int32 nPos, + sal_Int32 nStartCharFlags, + const OUString& userDefinedCharactersStart, + sal_Int32 nContCharFlags, + const OUString& userDefinedCharactersCont ) const +{ + try + { + return xCC->parsePredefinedToken( nTokenType, rStr, nPos, getMyLocale(), + nStartCharFlags, userDefinedCharactersStart, + nContCharFlags, userDefinedCharactersCont ); + } + catch ( const Exception& ) + { + TOOLS_WARN_EXCEPTION( "unotools.i18n", "parsePredefinedToken" ); + } + return ParseResult(); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |