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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /include/unotools/transliterationwrapper.hxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+/* -*- 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: */