Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 232 insertions, 0 deletions

diff --git a/unotools/source/i18n/transliterationwrapper.cxx b/unotools/source/i18n/transliterationwrapper.cxx
new file mode 100644
index 000000000..5deb0e5a6
--- /dev/null
+++ b/unotools/source/i18n/transliterationwrapper.cxx
@@ -0,0 +1,232 @@
+/* -*- 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 <sal/config.h>
+
+#include <sal/log.hxx>
+#include <unotools/transliterationwrapper.hxx>
+#include <i18nlangtag/languagetag.hxx>
+#include <i18nutil/transliteration.hxx>
+#include <tools/diagnose_ex.h>
+
+#include <com/sun/star/i18n/Transliteration.hpp>
+
+using namespace ::com::sun::star::lang;
+using namespace ::com::sun::star::i18n;
+using namespace ::com::sun::star::uno;
+using namespace ::utl;
+
+TransliterationWrapper::TransliterationWrapper(
+                    const Reference< XComponentContext > & rxContext,
+                    TransliterationFlags nTyp )
+    : xTrans( Transliteration::create(rxContext) ),
+      aLanguageTag( LANGUAGE_SYSTEM ), nType( nTyp ), bFirstCall( true )
+{
+}
+
+TransliterationWrapper::~TransliterationWrapper()
+{
+}
+
+OUString TransliterationWrapper::transliterate(const OUString& rStr, LanguageType nLang,
+                                               sal_Int32 nStart, sal_Int32 nLen,
+                                               Sequence <sal_Int32>* pOffset )
+{
+    OUString sRet;
+    if( xTrans.is() )
+    {
+        try
+        {
+            loadModuleIfNeeded( nLang );
+
+            if ( pOffset )
+                sRet = xTrans->transliterate( rStr, nStart, nLen, *pOffset );
+            else
+                sRet = xTrans->transliterateString2String( rStr, nStart, nLen);
+        }
+        catch( Exception&  )
+        {
+            SAL_WARN( "unotools.i18n", "transliterate: Exception caught!" );
+        }
+    }
+    return sRet;
+}
+
+OUString TransliterationWrapper::transliterate( const OUString& rStr,
+                                                sal_Int32 nStart, sal_Int32 nLen ) const
+{
+    OUString sRet( rStr );
+    if( xTrans.is() )
+    {
+        try
+        {
+            sRet = xTrans->transliterateString2String( rStr, nStart, nLen);
+        }
+        catch( Exception&  )
+        {
+            SAL_WARN( "unotools.i18n", "transliterate: Exception caught!" );
+        }
+    }
+    return sRet;
+}
+
+bool TransliterationWrapper::needLanguageForTheMode() const
+{
+    return TransliterationFlags::UPPERCASE_LOWERCASE == nType ||
+           TransliterationFlags::LOWERCASE_UPPERCASE == nType ||
+           TransliterationFlags::IGNORE_CASE == nType ||
+           TransliterationFlags::SENTENCE_CASE == nType ||
+           TransliterationFlags::TITLE_CASE    == nType ||
+           TransliterationFlags::TOGGLE_CASE   == nType;
+}
+
+void TransliterationWrapper::setLanguageLocaleImpl( LanguageType nLang )
+{
+    if( LANGUAGE_NONE == nLang )
+        nLang = LANGUAGE_SYSTEM;
+    aLanguageTag.reset( nLang);
+}
+
+void TransliterationWrapper::loadModuleIfNeeded( LanguageType nLang )
+{
+    bool bLoad = bFirstCall;
+    bFirstCall = false;
+
+    if( nType == TransliterationFlags::SENTENCE_CASE )
+    {
+        if( bLoad )
+            loadModuleByImplName("SENTENCE_CASE", nLang);
+    }
+    else if( nType == TransliterationFlags::TITLE_CASE )
+    {
+        if( bLoad )
+            loadModuleByImplName("TITLE_CASE", nLang);
+    }
+    else if( nType == TransliterationFlags::TOGGLE_CASE )
+    {
+        if( bLoad )
+            loadModuleByImplName("TOGGLE_CASE", nLang);
+    }
+    else
+    {
+        if( aLanguageTag.getLanguageType() != nLang )
+        {
+            setLanguageLocaleImpl( nLang );
+            if( !bLoad )
+                bLoad = needLanguageForTheMode();
+        }
+        if( bLoad )
+            loadModuleImpl();
+    }
+}
+
+void TransliterationWrapper::loadModuleImpl() const
+{
+    if ( bFirstCall )
+        const_cast<TransliterationWrapper*>(this)->setLanguageLocaleImpl( LANGUAGE_SYSTEM );
+
+    try
+    {
+        if ( xTrans.is() )
+            xTrans->loadModule( static_cast<TransliterationModules>(nType), aLanguageTag.getLocale() );
+    }
+    catch ( const Exception& )
+    {
+        TOOLS_WARN_EXCEPTION( "unotools.i18n", "loadModuleImpl" );
+    }
+
+    bFirstCall = false;
+}
+
+void TransliterationWrapper::loadModuleByImplName(const OUString& rModuleName,
+                                                  LanguageType nLang )
+{
+    try
+    {
+        setLanguageLocaleImpl( nLang );
+        css::lang::Locale aLocale( aLanguageTag.getLocale());
+        // Reset LanguageTag, so the next call to loadModuleIfNeeded() forces
+        // new settings.
+        aLanguageTag.reset( LANGUAGE_DONTKNOW);
+        if ( xTrans.is() )
+            xTrans->loadModuleByImplName( rModuleName, aLocale );
+    }
+    catch ( const Exception& )
+    {
+        TOOLS_WARN_EXCEPTION( "unotools.i18n", "loadModuleByImplName" );
+    }
+
+    bFirstCall = false;
+}
+
+bool TransliterationWrapper::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
+{
+    try
+    {
+        if( bFirstCall )
+            loadModuleImpl();
+        if ( xTrans.is() )
+            return xTrans->equals( rStr1, nPos1, nCount1, nMatch1, rStr2, nPos2, nCount2, nMatch2 );
+    }
+    catch ( const Exception& )
+    {
+        TOOLS_WARN_EXCEPTION( "unotools.i18n", "equals" );
+    }
+    return false;
+}
+
+sal_Int32 TransliterationWrapper::compareString( const OUString& rStr1, const OUString& rStr2 ) const
+{
+    try
+    {
+        if( bFirstCall )
+            loadModuleImpl();
+        if ( xTrans.is() )
+            return xTrans->compareString( rStr1, rStr2 );
+    }
+    catch (const Exception&)
+    {
+        TOOLS_WARN_EXCEPTION( "unotools.i18n", "compareString" );
+    }
+    return 0;
+}
+
+// --- helpers --------------------------------------------------------
+
+bool TransliterationWrapper::isEqual( const OUString& rStr1, const OUString& rStr2 ) const
+{
+    sal_Int32 nMatch1(0), nMatch2(0);
+    bool bMatch = equals(
+        rStr1, 0, rStr1.getLength(), nMatch1,
+        rStr2, 0, rStr2.getLength(), nMatch2 );
+    return bMatch;
+}
+
+bool TransliterationWrapper::isMatch( const OUString& rStr1, const OUString& rStr2 ) const
+{
+    sal_Int32 nMatch1(0), nMatch2(0);
+    equals(
+        rStr1, 0, rStr1.getLength(), nMatch1,
+        rStr2, 0, rStr2.getLength(), nMatch2 );
+    return (nMatch1 <= nMatch2) && (nMatch1 == rStr1.getLength());
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */