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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /include/unotools/transliterationwrapper.hxx | |
parent | Initial commit. (diff) | |
download | libreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.tar.xz libreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | include/unotools/transliterationwrapper.hxx | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/include/unotools/transliterationwrapper.hxx b/include/unotools/transliterationwrapper.hxx new file mode 100644 index 000000000..138c1e8d1 --- /dev/null +++ b/include/unotools/transliterationwrapper.hxx @@ -0,0 +1,122 @@ +/* -*- 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_TRANSLITERATIONWRAPPER_HXX +#define INCLUDED_UNOTOOLS_TRANSLITERATIONWRAPPER_HXX + +#include <unotools/unotoolsdllapi.h> +#include <rtl/ustring.hxx> +#include <i18nlangtag/languagetag.hxx> +#include <i18nlangtag/lang.h> +#include <com/sun/star/uno/Reference.hxx> + +namespace com::sun::star::uno { template <typename > class Sequence; } +namespace com::sun::star::i18n { class XExtendedTransliteration; } +namespace com::sun::star::uno { class XComponentContext; } +enum class TransliterationFlags; + +namespace utl +{ + +class UNOTOOLS_DLLPUBLIC TransliterationWrapper +{ + css::uno::Reference< css::i18n::XExtendedTransliteration > xTrans; + LanguageTag aLanguageTag; + TransliterationFlags nType; + mutable bool bFirstCall; + + TransliterationWrapper( const TransliterationWrapper& ) = delete; + TransliterationWrapper& operator=( const TransliterationWrapper& ) = delete; + + void loadModuleImpl() const; + void setLanguageLocaleImpl( LanguageType nLang ); + +public: + TransliterationWrapper( const css::uno::Reference< css::uno::XComponentContext > & rxContext, + TransliterationFlags nType ); + + ~TransliterationWrapper(); + + TransliterationFlags getType() const { return nType; } + + bool needLanguageForTheMode() const; + + /** set a new language and load the corresponding transliteration module if + needed for the mode set with nType in the ctor */ + void loadModuleIfNeeded( LanguageType nLang ); + + /** Load the transliteration module specified by rModuleName, which has to + be the UNO service implementation name that is expanded to the full UNO + service implementation name, for example, "NumToCharKanjiShort_ja_JP" + expands to + "com.sun.star.i18n.Transliteration.NumToCharKanjiShort_ja_JP". + @ATTENTION! + This method ignores the mode type set with the constructor and + interferes with the loadModuleIfNeeded() method and the transliterate() + method that gets a LanguageType passed as parameter. Using one of + those may load a different module and overwrite this setting. Only the + transliterate() method that takes no LanguageType parameter may be used + for a specific module loaded with this method. */ + void loadModuleByImplName( const OUString& rModuleName, LanguageType nLang ); + + /** This transliteration method corresponds with the loadModuleByImplName() + method. It relies on a module being loaded and does not try load one. + If for any reason the string can't be transliterated the original + string is returned. */ + OUString transliterate( const OUString& rStr, + sal_Int32 nStart, sal_Int32 nLen ) const; + + // Wrapper implementations of class Transliteration + OUString transliterate( const OUString& rStr, LanguageType nLanguage, + sal_Int32 nStart, sal_Int32 nLen, + css::uno::Sequence <sal_Int32>* pOffset ); + + /** If two strings are equal per this transliteration. + Returns the number of matched code points in any case, even if strings + are not equal, for example: + equals( "a", 0, 1, nMatch1, "aaa", 0, 3, nMatch2 ) + returns false and nMatch:=1 and nMatch2:=1 + equals( "aab", 0, 3, nMatch1, "aaa", 0, 3, nMatch2 ) + returns false and nMatch:=2 and nMatch2:=2 + */ + bool equals( + const OUString& rStr1, sal_Int32 nPos1, sal_Int32 nCount1, sal_Int32& nMatch1, + const OUString& rStr2, sal_Int32 nPos2, sal_Int32 nCount2, sal_Int32& nMatch2 ) const; + + sal_Int32 compareString( const OUString& rStr1, const OUString& rStr2 ) const; + + // helpers + + /** If two strings are really equal as per this translation, and not just + one string is matching the start of the other. Use this method instead + of compareString()==0 because it is much faster. + */ + bool isEqual( const OUString& rStr1, const OUString& rStr2 ) const; + + /** If string rStr1 matches the start of string rStr2, i.e. "a" in "aaa" + */ + bool isMatch( const OUString& rStr1, const OUString& rStr2 ) const; + +}; + +} // namespace utl + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |