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office-gobmx/linguistic/source/convdic.cxx
Xisco Fauli fe44fe403e Remove commented code in libs-core/linguistic
2011-04-04 15:13:25 +02:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_linguistic.hxx"
#include <cppuhelper/factory.hxx>
#include <i18npool/lang.h>
#include <osl/mutex.hxx>
#include <tools/debug.hxx>
#include <tools/fsys.hxx>
#include <tools/stream.hxx>
#include <tools/stream.hxx>
#include <tools/string.hxx>
#include <tools/urlobj.hxx>
#include <ucbhelper/content.hxx>
#include <unotools/processfactory.hxx>
#include <unotools/streamwrap.hxx>
#include <unotools/ucbstreamhelper.hxx>
#include <com/sun/star/linguistic2/XConversionDictionary.hpp>
#include <com/sun/star/linguistic2/ConversionDictionaryType.hpp>
#include <com/sun/star/linguistic2/XConversionPropertyType.hpp>
#include <com/sun/star/linguistic2/ConversionPropertyType.hpp>
#include <com/sun/star/util/XFlushable.hpp>
#include <com/sun/star/lang/Locale.hpp>
#include <com/sun/star/lang/EventObject.hpp>
#include <com/sun/star/ucb/XSimpleFileAccess.hpp>
#include <com/sun/star/uno/Reference.h>
#include <com/sun/star/registry/XRegistryKey.hpp>
#include <com/sun/star/util/XFlushListener.hpp>
#include <com/sun/star/io/XActiveDataSource.hpp>
#include <com/sun/star/io/XActiveDataSource.hpp>
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/io/XOutputStream.hpp>
#include <com/sun/star/xml/sax/XDocumentHandler.hpp>
#include <com/sun/star/document/XFilter.hpp>
#include <com/sun/star/beans/PropertyValue.hpp>
#include <com/sun/star/xml/sax/InputSource.hpp>
#include <com/sun/star/xml/sax/XParser.hpp>
#include "convdic.hxx"
#include "convdicxml.hxx"
#include "linguistic/misc.hxx"
#include "defs.hxx"
using namespace std;
using namespace utl;
using namespace osl;
using namespace com::sun::star;
using namespace com::sun::star::lang;
using namespace com::sun::star::uno;
using namespace com::sun::star::linguistic2;
using namespace linguistic;
using ::rtl::OUString;
#define SN_CONV_DICTIONARY "com.sun.star.linguistic2.ConversionDictionary"
#define SN_HCD_CONV_DICTIONARY "com.sun.star.linguistic2.HangulHanjaConversionDictionary"
void ReadThroughDic( const String &rMainURL, ConvDicXMLImport &rImport )
{
if (rMainURL.Len() == 0)
return;
DBG_ASSERT(!INetURLObject( rMainURL ).HasError(), "invalid URL");
uno::Reference< lang::XMultiServiceFactory > xServiceFactory( utl::getProcessServiceFactory() );
// get xInputStream stream
uno::Reference< io::XInputStream > xIn;
try
{
uno::Reference< ucb::XSimpleFileAccess > xAccess( xServiceFactory->createInstance(
A2OU( "com.sun.star.ucb.SimpleFileAccess" ) ), uno::UNO_QUERY_THROW );
xIn = xAccess->openFileRead( rMainURL );
}
catch (uno::Exception & e)
{
DBG_ASSERT( 0, "failed to get input stream" );
(void) e;
}
if (!xIn.is())
return;
SvStreamPtr pStream = SvStreamPtr( utl::UcbStreamHelper::CreateStream( xIn ) );
// prepare ParserInputSource
xml::sax::InputSource aParserInput;
aParserInput.aInputStream = xIn;
// get parser
uno::Reference< xml::sax::XParser > xParser;
try
{
xParser = uno::Reference< xml::sax::XParser >( xServiceFactory->createInstance(
A2OU( "com.sun.star.xml.sax.Parser" ) ), UNO_QUERY );
}
catch (uno::Exception &)
{
}
DBG_ASSERT( xParser.is(), "Can't create parser" );
if (!xParser.is())
return;
//!! keep a reference until everything is done to
//!! ensure the proper lifetime of the object
uno::Reference < xml::sax::XDocumentHandler > xFilter(
(xml::sax::XExtendedDocumentHandler *) &rImport, UNO_QUERY );
// connect parser and filter
xParser->setDocumentHandler( xFilter );
// finally, parser the stream
try
{
xParser->parseStream( aParserInput ); // implicitly calls ConvDicXMLImport::CreateContext
}
catch( xml::sax::SAXParseException& )
{
}
catch( xml::sax::SAXException& )
{
}
catch( io::IOException& )
{
}
}
sal_Bool IsConvDic( const String &rFileURL, sal_Int16 &nLang, sal_Int16 &nConvType )
{
sal_Bool bRes = sal_False;
if (rFileURL.Len() == 0)
return bRes;
// check if file extension matches CONV_DIC_EXT
String aExt;
xub_StrLen nPos = rFileURL.SearchBackward( '.' );
if (STRING_NOTFOUND != nPos)
aExt = rFileURL.Copy( nPos + 1 );
aExt.ToLowerAscii();
if (!aExt.EqualsAscii( CONV_DIC_EXT ))
return bRes;
// first argument being 0 should stop the file from being parsed
// up to the end (reading all entries) when the required
// data (language, conversion type) is found.
ConvDicXMLImport *pImport = new ConvDicXMLImport( 0, rFileURL );
//!! keep a first reference to ensure the lifetime of the object !!
uno::Reference< XInterface > xRef( (document::XFilter *) pImport, UNO_QUERY );
ReadThroughDic( rFileURL, *pImport ); // will implicitly add the entries
bRes = pImport->GetLanguage() != LANGUAGE_NONE &&
pImport->GetConversionType() != -1;
DBG_ASSERT( bRes, "conversion dictionary corrupted?" );
if (bRes)
{
nLang = pImport->GetLanguage();
nConvType = pImport->GetConversionType();
}
return bRes;
}
ConvDic::ConvDic(
const String &rName,
sal_Int16 nLang,
sal_Int16 nConvType,
sal_Bool bBiDirectional,
const String &rMainURL) :
aFlushListeners( GetLinguMutex() )
{
aName = rName;
nLanguage = nLang;
nConversionType = nConvType;
aMainURL = rMainURL;
if (bBiDirectional)
pFromRight = std::auto_ptr< ConvMap >( new ConvMap );
if (nLang == LANGUAGE_CHINESE_SIMPLIFIED || nLang == LANGUAGE_CHINESE_TRADITIONAL)
pConvPropType = std::auto_ptr< PropTypeMap >( new PropTypeMap );
nMaxLeftCharCount = nMaxRightCharCount = 0;
bMaxCharCountIsValid = sal_True;
bNeedEntries = sal_True;
bIsModified = bIsActive = sal_False;
bIsReadonly = sal_False;
if( rMainURL.Len() > 0 )
{
sal_Bool bExists = sal_False;
bIsReadonly = IsReadOnly( rMainURL, &bExists );
if( !bExists ) // new empty dictionary
{
bNeedEntries = sal_False;
//! create physical representation of an **empty** dictionary
//! that could be found by the dictionary-list implementation
// (Note: empty dictionaries are not just empty files!)
Save();
bIsReadonly = IsReadOnly( rMainURL ); // will be sal_False if Save was succesfull
}
}
else
{
bNeedEntries = sal_False;
}
}
ConvDic::~ConvDic()
{
}
void ConvDic::Load()
{
DBG_ASSERT( !bIsModified, "dictionary is modified. Really do 'Load'?" );
//!! prevent function from being called recursively via HasEntry, AddEntry
bNeedEntries = sal_False;
ConvDicXMLImport *pImport = new ConvDicXMLImport( this, aMainURL );
//!! keep a first reference to ensure the lifetime of the object !!
uno::Reference< XInterface > xRef( (document::XFilter *) pImport, UNO_QUERY );
ReadThroughDic( aMainURL, *pImport ); // will implicitly add the entries
bIsModified = sal_False;
}
void ConvDic::Save()
{
DBG_ASSERT( !bNeedEntries, "saving while entries missing" );
if (aMainURL.Len() == 0 || bNeedEntries)
return;
DBG_ASSERT(!INetURLObject( aMainURL ).HasError(), "invalid URL");
uno::Reference< lang::XMultiServiceFactory > xServiceFactory( utl::getProcessServiceFactory() );
// get XOutputStream stream
uno::Reference< io::XStream > xStream;
try
{
uno::Reference< ucb::XSimpleFileAccess > xAccess( xServiceFactory->createInstance(
A2OU( "com.sun.star.ucb.SimpleFileAccess" ) ), uno::UNO_QUERY_THROW );
xStream = xAccess->openFileReadWrite( aMainURL );
}
catch (uno::Exception & e)
{
DBG_ASSERT( 0, "failed to get input stream" );
(void) e;
}
if (!xStream.is())
return;
SvStreamPtr pStream = SvStreamPtr( utl::UcbStreamHelper::CreateStream( xStream ) );
// get XML writer
uno::Reference< io::XActiveDataSource > xSaxWriter;
if (xServiceFactory.is())
{
try
{
xSaxWriter = uno::Reference< io::XActiveDataSource >(
xServiceFactory->createInstance(
OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.xml.sax.Writer")) ), UNO_QUERY );
}
catch (uno::Exception &)
{
}
}
DBG_ASSERT( xSaxWriter.is(), "can't instantiate XML writer" );
if (xSaxWriter.is() && xStream.is())
{
// connect XML writer to output stream
xSaxWriter->setOutputStream( xStream->getOutputStream() );
// prepare arguments (prepend doc handler to given arguments)
uno::Reference< xml::sax::XDocumentHandler > xDocHandler( xSaxWriter, UNO_QUERY );
ConvDicXMLExport *pExport = new ConvDicXMLExport( *this, aMainURL, xDocHandler );
//!! keep a first(!) reference until everything is done to
//!! ensure the proper lifetime of the object
uno::Reference< document::XFilter > aRef( (document::XFilter *) pExport );
sal_Bool bRet = pExport->Export(); // write entries to file
DBG_ASSERT( !pStream->GetError(), "I/O error while writing to stream" );
if (bRet)
bIsModified = sal_False;
}
DBG_ASSERT( !bIsModified, "dictionary still modified after save. Save failed?" );
}
ConvMap::iterator ConvDic::GetEntry( ConvMap &rMap, const rtl::OUString &rFirstText, const rtl::OUString &rSecondText )
{
pair< ConvMap::iterator, ConvMap::iterator > aRange =
rMap.equal_range( rFirstText );
ConvMap::iterator aPos = rMap.end();
for (ConvMap::iterator aIt = aRange.first;
aIt != aRange.second && aPos == rMap.end();
++aIt)
{
if ((*aIt).second == rSecondText)
aPos = aIt;
}
return aPos;
}
sal_Bool ConvDic::HasEntry( const OUString &rLeftText, const OUString &rRightText )
{
if (bNeedEntries)
Load();
ConvMap::iterator aIt = GetEntry( aFromLeft, rLeftText, rRightText );
return aIt != aFromLeft.end();
}
void ConvDic::AddEntry( const OUString &rLeftText, const OUString &rRightText )
{
if (bNeedEntries)
Load();
DBG_ASSERT(!HasEntry( rLeftText, rRightText), "entry already exists" );
aFromLeft .insert( ConvMap::value_type( rLeftText, rRightText ) );
if (pFromRight.get())
pFromRight->insert( ConvMap::value_type( rRightText, rLeftText ) );
if (bMaxCharCountIsValid)
{
if (rLeftText.getLength() > nMaxLeftCharCount)
nMaxLeftCharCount = (sal_Int16) rLeftText.getLength();
if (pFromRight.get() && rRightText.getLength() > nMaxRightCharCount)
nMaxRightCharCount = (sal_Int16) rRightText.getLength();
}
bIsModified = sal_True;
}
void ConvDic::RemoveEntry( const OUString &rLeftText, const OUString &rRightText )
{
if (bNeedEntries)
Load();
ConvMap::iterator aLeftIt = GetEntry( aFromLeft, rLeftText, rRightText );
DBG_ASSERT( aLeftIt != aFromLeft.end(), "left map entry missing" );
aFromLeft .erase( aLeftIt );
if (pFromRight.get())
{
ConvMap::iterator aRightIt = GetEntry( *pFromRight, rRightText, rLeftText );
DBG_ASSERT( aRightIt != pFromRight->end(), "right map entry missing" );
pFromRight->erase( aRightIt );
}
bIsModified = sal_True;
bMaxCharCountIsValid = sal_False;
}
OUString SAL_CALL ConvDic::getName( )
throw (RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
return aName;
}
Locale SAL_CALL ConvDic::getLocale( )
throw (RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
return CreateLocale( nLanguage );
}
sal_Int16 SAL_CALL ConvDic::getConversionType( )
throw (RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
return nConversionType;
}
void SAL_CALL ConvDic::setActive( sal_Bool bActivate )
throw (RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
bIsActive = bActivate;
}
sal_Bool SAL_CALL ConvDic::isActive( )
throw (RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
return bIsActive;
}
void SAL_CALL ConvDic::clear( )
throw (RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
aFromLeft .clear();
if (pFromRight.get())
pFromRight->clear();
bNeedEntries = sal_False;
bIsModified = sal_True;
nMaxLeftCharCount = 0;
nMaxRightCharCount = 0;
bMaxCharCountIsValid = sal_True;
}
uno::Sequence< OUString > SAL_CALL ConvDic::getConversions(
const OUString& aText,
sal_Int32 nStartPos,
sal_Int32 nLength,
ConversionDirection eDirection,
sal_Int32 /*nTextConversionOptions*/ )
throw (IllegalArgumentException, RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
if (!pFromRight.get() && eDirection == ConversionDirection_FROM_RIGHT)
return uno::Sequence< OUString >();
if (bNeedEntries)
Load();
OUString aLookUpText( aText.copy(nStartPos, nLength) );
ConvMap &rConvMap = eDirection == ConversionDirection_FROM_LEFT ?
aFromLeft : *pFromRight;
pair< ConvMap::iterator, ConvMap::iterator > aRange =
rConvMap.equal_range( aLookUpText );
sal_Int32 nCount = 0;
ConvMap::iterator aIt;
for (aIt = aRange.first; aIt != aRange.second; ++aIt)
++nCount;
uno::Sequence< OUString > aRes( nCount );
OUString *pRes = aRes.getArray();
sal_Int32 i = 0;
for (aIt = aRange.first; aIt != aRange.second; ++aIt)
pRes[i++] = (*aIt).second;
return aRes;
}
static sal_Bool lcl_SeqHasEntry(
const OUString *pSeqStart, // first element to check
sal_Int32 nToCheck, // number of elements to check
const OUString &rText)
{
sal_Bool bRes = sal_False;
if (pSeqStart && nToCheck > 0)
{
const OUString *pDone = pSeqStart + nToCheck; // one behind last to check
while (!bRes && pSeqStart != pDone)
{
if (*pSeqStart++ == rText)
bRes = sal_True;
}
}
return bRes;
}
uno::Sequence< OUString > SAL_CALL ConvDic::getConversionEntries(
ConversionDirection eDirection )
throw (RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
if (!pFromRight.get() && eDirection == ConversionDirection_FROM_RIGHT)
return uno::Sequence< OUString >();
if (bNeedEntries)
Load();
ConvMap &rConvMap = eDirection == ConversionDirection_FROM_LEFT ?
aFromLeft : *pFromRight;
uno::Sequence< OUString > aRes( rConvMap.size() );
OUString *pRes = aRes.getArray();
ConvMap::iterator aIt = rConvMap.begin();
sal_Int32 nIdx = 0;
while (aIt != rConvMap.end())
{
OUString aCurEntry( (*aIt).first );
// skip duplicate entries ( duplicate = duplicate entries
// respective to the evaluated side (FROM_LEFT or FROM_RIGHT).
// Thus if FROM_LEFT is evaluated for pairs (A,B) and (A,C)
// only one entry for A will be returned in the result)
if (nIdx == 0 || !lcl_SeqHasEntry( pRes, nIdx, aCurEntry ))
pRes[ nIdx++ ] = aCurEntry;
++aIt;
}
aRes.realloc( nIdx );
return aRes;
}
void SAL_CALL ConvDic::addEntry(
const OUString& aLeftText,
const OUString& aRightText )
throw (IllegalArgumentException, container::ElementExistException, RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
if (bNeedEntries)
Load();
if (HasEntry( aLeftText, aRightText ))
throw container::ElementExistException();
AddEntry( aLeftText, aRightText );
}
void SAL_CALL ConvDic::removeEntry(
const OUString& aLeftText,
const OUString& aRightText )
throw (container::NoSuchElementException, RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
if (bNeedEntries)
Load();
if (!HasEntry( aLeftText, aRightText ))
throw container::NoSuchElementException();
RemoveEntry( aLeftText, aRightText );
}
sal_Int16 SAL_CALL ConvDic::getMaxCharCount( ConversionDirection eDirection )
throw (RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
if (!pFromRight.get() && eDirection == ConversionDirection_FROM_RIGHT)
{
DBG_ASSERT( nMaxRightCharCount == 0, "max right char count should be 0" );
return 0;
}
if (bNeedEntries)
Load();
if (!bMaxCharCountIsValid)
{
nMaxLeftCharCount = 0;
ConvMap::iterator aIt = aFromLeft.begin();
while (aIt != aFromLeft.end())
{
sal_Int16 nTmp = (sal_Int16) (*aIt).first.getLength();
if (nTmp > nMaxLeftCharCount)
nMaxLeftCharCount = nTmp;
++aIt;
}
nMaxRightCharCount = 0;
if (pFromRight.get())
{
aIt = pFromRight->begin();
while (aIt != pFromRight->end())
{
sal_Int16 nTmp = (sal_Int16) (*aIt).first.getLength();
if (nTmp > nMaxRightCharCount)
nMaxRightCharCount = nTmp;
++aIt;
}
}
bMaxCharCountIsValid = sal_True;
}
sal_Int16 nRes = eDirection == ConversionDirection_FROM_LEFT ?
nMaxLeftCharCount : nMaxRightCharCount;
DBG_ASSERT( nRes >= 0, "invalid MaxCharCount" );
return nRes;
}
void SAL_CALL ConvDic::setPropertyType(
const OUString& rLeftText,
const OUString& rRightText,
sal_Int16 nPropertyType )
throw (container::NoSuchElementException, IllegalArgumentException, RuntimeException)
{
sal_Bool bHasElement = HasEntry( rLeftText, rRightText);
if (!bHasElement)
throw container::NoSuchElementException();
// currently we assume that entries with the same left text have the
// same PropertyType even if the right text is different...
if (pConvPropType.get())
pConvPropType->insert( PropTypeMap::value_type( rLeftText, nPropertyType ) );
bIsModified = sal_True;
}
sal_Int16 SAL_CALL ConvDic::getPropertyType(
const OUString& rLeftText,
const OUString& rRightText )
throw (container::NoSuchElementException, RuntimeException)
{
sal_Bool bHasElement = HasEntry( rLeftText, rRightText);
if (!bHasElement)
throw container::NoSuchElementException();
sal_Int16 nRes = ConversionPropertyType::NOT_DEFINED;
if (pConvPropType.get())
{
// 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( )
throw (RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
if (!bIsModified)
return;
Save();
// notify listeners
EventObject aEvtObj;
aEvtObj.Source = uno::Reference< XFlushable >( this );
cppu::OInterfaceIteratorHelper aIt( aFlushListeners );
while (aIt.hasMoreElements())
{
uno::Reference< util::XFlushListener > xRef( aIt.next(), UNO_QUERY );
if (xRef.is())
xRef->flushed( aEvtObj );
}
}
void SAL_CALL ConvDic::addFlushListener(
const uno::Reference< util::XFlushListener >& rxListener )
throw (RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
if (rxListener.is())
aFlushListeners.addInterface( rxListener );
}
void SAL_CALL ConvDic::removeFlushListener(
const uno::Reference< util::XFlushListener >& rxListener )
throw (RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
if (rxListener.is())
aFlushListeners.removeInterface( rxListener );
}
OUString SAL_CALL ConvDic::getImplementationName( )
throw (RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
return getImplementationName_Static();
}
sal_Bool SAL_CALL ConvDic::supportsService( const OUString& rServiceName )
throw (RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
sal_Bool bRes = sal_False;
if (rServiceName.equalsAsciiL(RTL_CONSTASCII_STRINGPARAM(SN_CONV_DICTIONARY)))
bRes = sal_True;
return bRes;
}
uno::Sequence< OUString > SAL_CALL ConvDic::getSupportedServiceNames( )
throw (RuntimeException)
{
MutexGuard aGuard( GetLinguMutex() );
return getSupportedServiceNames_Static();
}
uno::Sequence< OUString > ConvDic::getSupportedServiceNames_Static()
throw()
{
uno::Sequence< OUString > aSNS( 1 );
aSNS.getArray()[0] = A2OU( SN_CONV_DICTIONARY );
return aSNS;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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