ed0b12f4ea
we can just take a "const &". (found by running clang-tidy with the performance-unnecessary-copy-initialization warning) Change-Id: I20fd208c65303da78170b1ac06c638fdf3aa094b Reviewed-on: https://gerrit.libreoffice.org/c/core/+/176267 Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk> Tested-by: Jenkins
583 lines
17 KiB
C++
583 lines
17 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <cppuhelper/factory.hxx>
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#include <i18nlangtag/lang.h>
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#include <i18nlangtag/languagetag.hxx>
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#include <osl/mutex.hxx>
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#include <sal/log.hxx>
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#include <tools/debug.hxx>
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#include <tools/stream.hxx>
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#include <tools/urlobj.hxx>
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#include <comphelper/diagnose_ex.hxx>
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#include <comphelper/processfactory.hxx>
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#include <comphelper/sequence.hxx>
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#include <cppuhelper/supportsservice.hxx>
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#include <unotools/streamwrap.hxx>
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#include <unotools/ucbstreamhelper.hxx>
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#include <com/sun/star/linguistic2/ConversionPropertyType.hpp>
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#include <com/sun/star/util/XFlushable.hpp>
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#include <com/sun/star/lang/EventObject.hpp>
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#include <com/sun/star/ucb/SimpleFileAccess.hpp>
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#include <com/sun/star/uno/Reference.h>
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#include <com/sun/star/util/XFlushListener.hpp>
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#include <com/sun/star/io/IOException.hpp>
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#include <com/sun/star/io/XInputStream.hpp>
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#include <com/sun/star/xml/sax/Writer.hpp>
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#include <com/sun/star/xml/sax/InputSource.hpp>
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#include <com/sun/star/xml/sax/SAXParseException.hpp>
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#include <com/sun/star/container/NoSuchElementException.hpp>
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#include <com/sun/star/container/ElementExistException.hpp>
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#include "convdic.hxx"
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#include "convdicxml.hxx"
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#include <linguistic/misc.hxx>
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#include <utility>
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using namespace utl;
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using namespace osl;
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using namespace com::sun::star;
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using namespace com::sun::star::lang;
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using namespace com::sun::star::uno;
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using namespace com::sun::star::linguistic2;
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using namespace linguistic;
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static void ReadThroughDic( const OUString &rMainURL, ConvDicXMLImport &rImport )
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{
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if (rMainURL.isEmpty())
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return;
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DBG_ASSERT(!INetURLObject( rMainURL ).HasError(), "invalid URL");
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const uno::Reference< uno::XComponentContext >& xContext( comphelper::getProcessComponentContext() );
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// get xInputStream stream
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uno::Reference< io::XInputStream > xIn;
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try
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{
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uno::Reference< ucb::XSimpleFileAccess3 > xAccess( ucb::SimpleFileAccess::create(xContext) );
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xIn = xAccess->openFileRead( rMainURL );
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}
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catch (const uno::Exception &)
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{
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SAL_WARN( "linguistic", "failed to get input stream" );
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}
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if (!xIn.is())
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return;
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// prepare ParserInputSource
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xml::sax::InputSource aParserInput;
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aParserInput.aInputStream = std::move(xIn);
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// finally, parser the stream
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try
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{
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rImport.parseStream( aParserInput ); // implicitly calls ConvDicXMLImport::CreateContext
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}
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catch( xml::sax::SAXParseException& )
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{
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TOOLS_WARN_EXCEPTION("linguistic", "");
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}
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catch( xml::sax::SAXException& )
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{
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TOOLS_WARN_EXCEPTION("linguistic", "");
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}
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catch( io::IOException& )
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{
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TOOLS_WARN_EXCEPTION("linguistic", "");
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}
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}
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bool IsConvDic( const OUString &rFileURL, LanguageType &nLang, sal_Int16 &nConvType )
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{
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bool bRes = false;
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if (rFileURL.isEmpty())
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return bRes;
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// check if file extension matches CONV_DIC_EXT
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OUString aExt;
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sal_Int32 nPos = rFileURL.lastIndexOf( '.' );
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if (-1 != nPos)
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aExt = rFileURL.copy( nPos + 1 ).toAsciiLowerCase();
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if (aExt != CONV_DIC_EXT)
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return bRes;
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// first argument being 0 should stop the file from being parsed
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// up to the end (reading all entries) when the required
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// data (language, conversion type) is found.
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rtl::Reference<ConvDicXMLImport> pImport = new ConvDicXMLImport( nullptr );
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ReadThroughDic( rFileURL, *pImport ); // will implicitly add the entries
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bRes = !LinguIsUnspecified( pImport->GetLanguage()) &&
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pImport->GetConversionType() != -1;
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DBG_ASSERT( bRes, "conversion dictionary corrupted?" );
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if (bRes)
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{
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nLang = pImport->GetLanguage();
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nConvType = pImport->GetConversionType();
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}
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return bRes;
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}
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ConvDic::ConvDic(
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OUString aName_,
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LanguageType nLang,
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sal_Int16 nConvType,
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bool bBiDirectional,
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const OUString &rMainURL) :
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aFlushListeners( GetLinguMutex() ),
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aMainURL(rMainURL), aName(std::move(aName_)), nLanguage(nLang),
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nConversionType(nConvType),
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nMaxLeftCharCount(0), nMaxRightCharCount(0),
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bMaxCharCountIsValid(true),
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bNeedEntries(true),
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bIsModified(false), bIsActive(false)
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{
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if (bBiDirectional)
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pFromRight.reset( new ConvMap );
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if (nLang == LANGUAGE_CHINESE_SIMPLIFIED || nLang == LANGUAGE_CHINESE_TRADITIONAL)
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pConvPropType.reset( new PropTypeMap );
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if( !rMainURL.isEmpty() )
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{
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bool bExists = false;
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IsReadOnly( rMainURL, &bExists );
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if( !bExists ) // new empty dictionary
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{
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bNeedEntries = false;
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//! create physical representation of an **empty** dictionary
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//! that could be found by the dictionary-list implementation
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// (Note: empty dictionaries are not just empty files!)
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Save();
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}
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}
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else
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{
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bNeedEntries = false;
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}
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}
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ConvDic::~ConvDic()
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{
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}
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void ConvDic::Load()
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{
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DBG_ASSERT( !bIsModified, "dictionary is modified. Really do 'Load'?" );
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//!! prevent function from being called recursively via HasEntry, AddEntry
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bNeedEntries = false;
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rtl::Reference<ConvDicXMLImport> pImport = new ConvDicXMLImport( this );
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ReadThroughDic( aMainURL, *pImport ); // will implicitly add the entries
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bIsModified = false;
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}
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void ConvDic::Save()
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{
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DBG_ASSERT( !bNeedEntries, "saving while entries missing" );
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if (aMainURL.isEmpty() || bNeedEntries)
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return;
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DBG_ASSERT(!INetURLObject( aMainURL ).HasError(), "invalid URL");
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const uno::Reference< uno::XComponentContext >& xContext( comphelper::getProcessComponentContext() );
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// get XOutputStream stream
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uno::Reference< io::XStream > xStream;
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try
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{
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uno::Reference< ucb::XSimpleFileAccess3 > xAccess( ucb::SimpleFileAccess::create(xContext) );
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xStream = xAccess->openFileReadWrite( aMainURL );
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}
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catch (const uno::Exception &)
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{
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SAL_WARN( "linguistic", "failed to get input stream" );
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}
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if (!xStream.is())
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return;
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std::unique_ptr<SvStream> pStream( utl::UcbStreamHelper::CreateStream( xStream ) );
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// get XML writer
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uno::Reference< xml::sax::XWriter > xSaxWriter = xml::sax::Writer::create(xContext);
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if (xStream.is())
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{
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// connect XML writer to output stream
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xSaxWriter->setOutputStream( xStream->getOutputStream() );
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// prepare arguments (prepend doc handler to given arguments)
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rtl::Reference<ConvDicXMLExport> pExport = new ConvDicXMLExport( *this, aMainURL, xSaxWriter );
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bool bRet = pExport->Export(); // write entries to file
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DBG_ASSERT( !pStream->GetError(), "I/O error while writing to stream" );
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if (bRet)
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bIsModified = false;
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}
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DBG_ASSERT( !bIsModified, "dictionary still modified after save. Save failed?" );
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}
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ConvMap::iterator ConvDic::GetEntry( ConvMap &rMap, const OUString &rFirstText, std::u16string_view rSecondText )
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{
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std::pair< ConvMap::iterator, ConvMap::iterator > aRange =
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rMap.equal_range( rFirstText );
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ConvMap::iterator aPos = rMap.end();
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for (ConvMap::iterator aIt = aRange.first;
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aIt != aRange.second && aPos == rMap.end();
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++aIt)
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{
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if ((*aIt).second == rSecondText)
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aPos = aIt;
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}
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return aPos;
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}
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bool ConvDic::HasEntry( const OUString &rLeftText, std::u16string_view rRightText )
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{
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if (bNeedEntries)
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Load();
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ConvMap::iterator aIt = GetEntry( aFromLeft, rLeftText, rRightText );
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return aIt != aFromLeft.end();
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}
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void ConvDic::AddEntry( const OUString &rLeftText, const OUString &rRightText )
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{
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if (bNeedEntries)
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Load();
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DBG_ASSERT(!HasEntry( rLeftText, rRightText), "entry already exists" );
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aFromLeft .emplace( rLeftText, rRightText );
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if (pFromRight)
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pFromRight->emplace( rRightText, rLeftText );
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if (bMaxCharCountIsValid)
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{
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if (rLeftText.getLength() > nMaxLeftCharCount)
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nMaxLeftCharCount = static_cast<sal_Int16>(rLeftText.getLength());
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if (pFromRight && rRightText.getLength() > nMaxRightCharCount)
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nMaxRightCharCount = static_cast<sal_Int16>(rRightText.getLength());
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}
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bIsModified = true;
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}
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void ConvDic::RemoveEntry( const OUString &rLeftText, const OUString &rRightText )
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{
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if (bNeedEntries)
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Load();
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ConvMap::iterator aLeftIt = GetEntry( aFromLeft, rLeftText, rRightText );
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DBG_ASSERT( aLeftIt != aFromLeft.end(), "left map entry missing" );
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aFromLeft .erase( aLeftIt );
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if (pFromRight)
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{
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ConvMap::iterator aRightIt = GetEntry( *pFromRight, rRightText, rLeftText );
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DBG_ASSERT( aRightIt != pFromRight->end(), "right map entry missing" );
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pFromRight->erase( aRightIt );
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}
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bIsModified = true;
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bMaxCharCountIsValid = false;
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}
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OUString SAL_CALL ConvDic::getName( )
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{
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MutexGuard aGuard( GetLinguMutex() );
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return aName;
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}
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Locale SAL_CALL ConvDic::getLocale( )
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{
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MutexGuard aGuard( GetLinguMutex() );
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return LanguageTag::convertToLocale( nLanguage );
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}
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sal_Int16 SAL_CALL ConvDic::getConversionType( )
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{
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MutexGuard aGuard( GetLinguMutex() );
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return nConversionType;
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}
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void SAL_CALL ConvDic::setActive( sal_Bool bActivate )
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{
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MutexGuard aGuard( GetLinguMutex() );
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bIsActive = bActivate;
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}
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sal_Bool SAL_CALL ConvDic::isActive( )
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{
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MutexGuard aGuard( GetLinguMutex() );
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return bIsActive;
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}
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void SAL_CALL ConvDic::clear( )
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{
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MutexGuard aGuard( GetLinguMutex() );
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aFromLeft .clear();
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if (pFromRight)
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pFromRight->clear();
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bNeedEntries = false;
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bIsModified = true;
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nMaxLeftCharCount = 0;
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nMaxRightCharCount = 0;
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bMaxCharCountIsValid = true;
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}
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uno::Sequence< OUString > SAL_CALL ConvDic::getConversions(
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const OUString& aText,
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sal_Int32 nStartPos,
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sal_Int32 nLength,
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ConversionDirection eDirection,
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sal_Int32 /*nTextConversionOptions*/ )
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{
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MutexGuard aGuard( GetLinguMutex() );
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if (!pFromRight && eDirection != ConversionDirection_FROM_LEFT)
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return uno::Sequence< OUString >();
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if (bNeedEntries)
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Load();
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OUString aLookUpText( aText.copy(nStartPos, nLength) );
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ConvMap &rConvMap = eDirection == ConversionDirection_FROM_LEFT ?
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aFromLeft : *pFromRight;
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std::pair< ConvMap::iterator, ConvMap::iterator > aRange =
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rConvMap.equal_range( aLookUpText );
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std::vector<OUString> aRes;
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auto nCount = static_cast<size_t>(std::distance(aRange.first, aRange.second));
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aRes.reserve(nCount);
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std::transform(aRange.first, aRange.second, std::back_inserter(aRes),
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[](ConvMap::const_reference rEntry) { return rEntry.second; });
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return comphelper::containerToSequence(aRes);
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}
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uno::Sequence< OUString > SAL_CALL ConvDic::getConversionEntries(
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ConversionDirection eDirection )
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{
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MutexGuard aGuard( GetLinguMutex() );
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if (!pFromRight && eDirection != ConversionDirection_FROM_LEFT)
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return uno::Sequence< OUString >();
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if (bNeedEntries)
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Load();
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ConvMap &rConvMap = eDirection == ConversionDirection_FROM_LEFT ?
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aFromLeft : *pFromRight;
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std::vector<OUString> aRes;
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aRes.reserve(rConvMap.size());
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for (auto const& elem : rConvMap)
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{
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OUString aCurEntry( elem.first );
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// skip duplicate entries ( duplicate = duplicate entries
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// respective to the evaluated side (FROM_LEFT or FROM_RIGHT).
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// Thus if FROM_LEFT is evaluated for pairs (A,B) and (A,C)
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// only one entry for A will be returned in the result)
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if (std::find(aRes.begin(), aRes.end(), aCurEntry) == aRes.end())
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aRes.push_back(aCurEntry);
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}
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return comphelper::containerToSequence(aRes);
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}
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void SAL_CALL ConvDic::addEntry(
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const OUString& aLeftText,
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const OUString& aRightText )
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{
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MutexGuard aGuard( GetLinguMutex() );
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if (bNeedEntries)
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Load();
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if (HasEntry( aLeftText, aRightText ))
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throw container::ElementExistException();
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AddEntry( aLeftText, aRightText );
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}
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void SAL_CALL ConvDic::removeEntry(
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const OUString& aLeftText,
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const OUString& aRightText )
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{
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MutexGuard aGuard( GetLinguMutex() );
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if (bNeedEntries)
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Load();
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if (!HasEntry( aLeftText, aRightText ))
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throw container::NoSuchElementException();
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RemoveEntry( aLeftText, aRightText );
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}
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sal_Int16 SAL_CALL ConvDic::getMaxCharCount( ConversionDirection eDirection )
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{
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MutexGuard aGuard( GetLinguMutex() );
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if (!pFromRight && eDirection == ConversionDirection_FROM_RIGHT)
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{
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DBG_ASSERT( nMaxRightCharCount == 0, "max right char count should be 0" );
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return 0;
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}
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if (bNeedEntries)
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Load();
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if (!bMaxCharCountIsValid)
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{
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nMaxLeftCharCount = 0;
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for (auto const& elem : aFromLeft)
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{
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sal_Int16 nTmp = static_cast<sal_Int16>(elem.first.getLength());
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if (nTmp > nMaxLeftCharCount)
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nMaxLeftCharCount = nTmp;
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}
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nMaxRightCharCount = 0;
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if (pFromRight)
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{
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for (auto const& elem : *pFromRight)
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{
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sal_Int16 nTmp = static_cast<sal_Int16>(elem.first.getLength());
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if (nTmp > nMaxRightCharCount)
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nMaxRightCharCount = nTmp;
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}
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}
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bMaxCharCountIsValid = true;
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}
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sal_Int16 nRes = eDirection == ConversionDirection_FROM_LEFT ?
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nMaxLeftCharCount : nMaxRightCharCount;
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DBG_ASSERT( nRes >= 0, "invalid MaxCharCount" );
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return nRes;
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}
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void SAL_CALL ConvDic::setPropertyType(
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const OUString& rLeftText,
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const OUString& rRightText,
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sal_Int16 nPropertyType )
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{
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bool bHasElement = HasEntry( rLeftText, rRightText);
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if (!bHasElement)
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throw container::NoSuchElementException();
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// currently we assume that entries with the same left text have the
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// same PropertyType even if the right text is different...
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if (pConvPropType)
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pConvPropType->emplace( rLeftText, nPropertyType );
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bIsModified = true;
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}
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sal_Int16 SAL_CALL ConvDic::getPropertyType(
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const OUString& rLeftText,
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const OUString& rRightText )
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{
|
|
bool bHasElement = HasEntry( rLeftText, rRightText);
|
|
if (!bHasElement)
|
|
throw container::NoSuchElementException();
|
|
|
|
sal_Int16 nRes = ConversionPropertyType::NOT_DEFINED;
|
|
if (pConvPropType)
|
|
{
|
|
// still assuming that entries with same left text have same PropertyType
|
|
// even if they have different right text...
|
|
PropTypeMap::iterator aIt = pConvPropType->find( rLeftText );
|
|
if (aIt != pConvPropType->end())
|
|
nRes = (*aIt).second;
|
|
}
|
|
return nRes;
|
|
}
|
|
|
|
|
|
void SAL_CALL ConvDic::flush( )
|
|
{
|
|
MutexGuard aGuard( GetLinguMutex() );
|
|
|
|
if (!bIsModified)
|
|
return;
|
|
|
|
Save();
|
|
|
|
// notify listeners
|
|
EventObject aEvtObj;
|
|
aEvtObj.Source = uno::Reference< XFlushable >( this );
|
|
aFlushListeners.notifyEach( &util::XFlushListener::flushed, aEvtObj );
|
|
}
|
|
|
|
|
|
void SAL_CALL ConvDic::addFlushListener(
|
|
const uno::Reference< util::XFlushListener >& rxListener )
|
|
{
|
|
MutexGuard aGuard( GetLinguMutex() );
|
|
if (rxListener.is())
|
|
aFlushListeners.addInterface( rxListener );
|
|
}
|
|
|
|
|
|
void SAL_CALL ConvDic::removeFlushListener(
|
|
const uno::Reference< util::XFlushListener >& rxListener )
|
|
{
|
|
MutexGuard aGuard( GetLinguMutex() );
|
|
if (rxListener.is())
|
|
aFlushListeners.removeInterface( rxListener );
|
|
}
|
|
|
|
|
|
OUString SAL_CALL ConvDic::getImplementationName( )
|
|
{
|
|
return u"com.sun.star.lingu2.ConvDic"_ustr;
|
|
}
|
|
|
|
sal_Bool SAL_CALL ConvDic::supportsService( const OUString& rServiceName )
|
|
{
|
|
return cppu::supportsService(this, rServiceName);
|
|
}
|
|
|
|
uno::Sequence< OUString > SAL_CALL ConvDic::getSupportedServiceNames( )
|
|
{
|
|
return { SN_CONV_DICTIONARY };
|
|
}
|
|
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|