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| -rw-r--r-- | include/unotools/charclass.hxx | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/include/unotools/charclass.hxx b/include/unotools/charclass.hxx new file mode 100644 index 000000000..61a850da9 --- /dev/null +++ b/include/unotools/charclass.hxx @@ -0,0 +1,186 @@ +/* -*- 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 . + */ + +#ifndef INCLUDED_UNOTOOLS_CHARCLASS_HXX +#define INCLUDED_UNOTOOLS_CHARCLASS_HXX + +#include <unotools/unotoolsdllapi.h> +#include <i18nlangtag/languagetag.hxx> +#include <com/sun/star/i18n/DirectionProperty.hpp> +#include <com/sun/star/i18n/KCharacterType.hpp> +#include <com/sun/star/i18n/ParseResult.hpp> +#include <com/sun/star/i18n/UnicodeScript.hpp> +#include <osl/mutex.hxx> +#include <com/sun/star/uno/Reference.hxx> + +namespace com::sun::star::uno { class XComponentContext; } +namespace com::sun::star::i18n { class XCharacterClassification; } + +const sal_Int32 nCharClassAlphaType = + css::i18n::KCharacterType::UPPER | + css::i18n::KCharacterType::LOWER | + css::i18n::KCharacterType::TITLE_CASE; + +const sal_Int32 nCharClassAlphaTypeMask = + nCharClassAlphaType | + css::i18n::KCharacterType::PRINTABLE | + css::i18n::KCharacterType::BASE_FORM; + +const sal_Int32 nCharClassLetterType = + nCharClassAlphaType | + css::i18n::KCharacterType::LETTER; + +const sal_Int32 nCharClassLetterTypeMask = + nCharClassAlphaTypeMask | + css::i18n::KCharacterType::LETTER; + +const sal_Int32 nCharClassNumericType = + css::i18n::KCharacterType::DIGIT; + +const sal_Int32 nCharClassNumericTypeMask = + nCharClassNumericType | + css::i18n::KCharacterType::PRINTABLE | + css::i18n::KCharacterType::BASE_FORM; + +class UNOTOOLS_DLLPUBLIC CharClass +{ + LanguageTag maLanguageTag; + css::uno::Reference< css::i18n::XCharacterClassification > xCC; + mutable ::osl::Mutex aMutex; + + CharClass(const CharClass&) = delete; + CharClass& operator=(const CharClass&) = delete; + +public: + /// Preferred ctor with service manager specified + CharClass( + const css::uno::Reference< css::uno::XComponentContext > & rxContext, + const LanguageTag& rLanguageTag ); + + /// Deprecated ctor, tries to get a process service manager or to load the + /// library directly. + CharClass( const LanguageTag& rLanguageTag ); + + ~CharClass(); + + /// set a new Locale + void setLanguageTag( const LanguageTag& rLanguageTag ); + + /// get current Locale + const LanguageTag& getLanguageTag() const; + + /// isdigit() on ascii values of entire string + static bool isAsciiNumeric( const OUString& rStr ); + + /// isalpha() on ascii values of entire string + static bool isAsciiAlpha( const OUString& rStr ); + + /// whether type is pure numeric or not, e.g. return of getStringType + static bool isNumericType( sal_Int32 nType ) + { + return ((nType & nCharClassNumericType) != 0) && + ((nType & ~nCharClassNumericTypeMask) == 0); + } + + /// whether type is pure alphanumeric or not, e.g. return of getStringType + static bool isAlphaNumericType( sal_Int32 nType ) + { + return ((nType & (nCharClassAlphaType | + nCharClassNumericType)) != 0) && + ((nType & ~(nCharClassAlphaTypeMask | + nCharClassNumericTypeMask)) == 0); + } + + /// whether type is pure letter or not, e.g. return of getStringType + static bool isLetterType( sal_Int32 nType ) + { + return ((nType & nCharClassLetterType) != 0) && + ((nType & ~nCharClassLetterTypeMask) == 0); + } + + /// whether type is pure letternumeric or not, e.g. return of getStringType + static bool isLetterNumericType( sal_Int32 nType ) + { + return ((nType & (nCharClassLetterType | + nCharClassNumericType)) != 0) && + ((nType & ~(nCharClassLetterTypeMask | + nCharClassNumericTypeMask)) == 0); + } + + // Wrapper implementations of class CharacterClassification + + OUString uppercase( const OUString& rStr, sal_Int32 nPos, sal_Int32 nCount ) const; + OUString lowercase( const OUString& rStr, sal_Int32 nPos, sal_Int32 nCount ) const; + OUString titlecase( const OUString& rStr, sal_Int32 nPos, sal_Int32 nCount ) const; + + OUString uppercase( const OUString& _rStr ) const + { + return uppercase(_rStr, 0, _rStr.getLength()); + } + OUString lowercase( const OUString& _rStr ) const + { + return lowercase(_rStr, 0, _rStr.getLength()); + } + OUString titlecase( const OUString& _rStr ) const + { + return titlecase(_rStr, 0, _rStr.getLength()); + } + + sal_Int16 getType( const OUString& rStr, sal_Int32 nPos ) const; + css::i18n::DirectionProperty getCharacterDirection( const OUString& rStr, sal_Int32 nPos ) const; + css::i18n::UnicodeScript getScript( const OUString& rStr, sal_Int32 nPos ) const; + sal_Int32 getCharacterType( const OUString& rStr, sal_Int32 nPos ) const; + sal_Int32 getStringType( const OUString& rStr, sal_Int32 nPos, sal_Int32 nCount ) const; + + css::i18n::ParseResult parseAnyToken( + const OUString& rStr, + sal_Int32 nPos, + sal_Int32 nStartCharFlags, + const OUString& userDefinedCharactersStart, + sal_Int32 nContCharFlags, + const OUString& userDefinedCharactersCont ) const; + + css::i18n::ParseResult parsePredefinedToken( + sal_Int32 nTokenType, + const OUString& rStr, + sal_Int32 nPos, + sal_Int32 nStartCharFlags, + const OUString& userDefinedCharactersStart, + sal_Int32 nContCharFlags, + const OUString& userDefinedCharactersCont ) const; + + // Functionality of class International methods + + bool isAlpha( const OUString& rStr, sal_Int32 nPos ) const; + bool isLetter( const OUString& rStr, sal_Int32 nPos ) const; + bool isDigit( const OUString& rStr, sal_Int32 nPos ) const; + bool isAlphaNumeric( const OUString& rStr, sal_Int32 nPos ) const; + bool isLetterNumeric( const OUString& rStr, sal_Int32 nPos ) const; + bool isLetter( const OUString& rStr ) const; + bool isNumeric( const OUString& rStr ) const; + bool isLetterNumeric( const OUString& rStr ) const; + +private: + + const css::lang::Locale & getMyLocale() const; +}; + +#endif // INCLUDED_UNOTOOLS_CHARCLASS_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |