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Diffstat (limited to 'linguistic/source/dicimp.cxx')
| -rw-r--r-- | linguistic/source/dicimp.cxx | 1148 |
1 files changed, 1148 insertions, 0 deletions
diff --git a/linguistic/source/dicimp.cxx b/linguistic/source/dicimp.cxx new file mode 100644 index 000000000000..462e2da3c782 --- /dev/null +++ b/linguistic/source/dicimp.cxx @@ -0,0 +1,1148 @@ +/* -*- 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 <dicimp.hxx> +#include <hyphdsp.hxx> +#include <i18npool/lang.h> +#include <i18npool/mslangid.hxx> +#include <osl/mutex.hxx> +#include <tools/debug.hxx> +#include <tools/fsys.hxx> +#include <tools/stream.hxx> +#include <tools/string.hxx> +#include <tools/urlobj.hxx> +#include <unotools/processfactory.hxx> +#include <unotools/ucbstreamhelper.hxx> + +#include <com/sun/star/ucb/XSimpleFileAccess.hpp> +#include <com/sun/star/linguistic2/DictionaryType.hpp> +#include <com/sun/star/linguistic2/DictionaryEventFlags.hpp> +#include <com/sun/star/registry/XRegistryKey.hpp> +#include <com/sun/star/io/XInputStream.hpp> +#include <com/sun/star/io/XOutputStream.hpp> + +#include "defs.hxx" + + +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 BUFSIZE 4096 +#define VERS2_NOLANGUAGE 1024 + +#define MAX_HEADER_LENGTH 16 + +static const sal_Char* pDicExt = "dic"; +static const sal_Char* pVerStr2 = "WBSWG2"; +static const sal_Char* pVerStr5 = "WBSWG5"; +static const sal_Char* pVerStr6 = "WBSWG6"; +static const sal_Char* pVerOOo7 = "OOoUserDict1"; + +static const sal_Int16 DIC_VERSION_DONTKNOW = -1; +static const sal_Int16 DIC_VERSION_2 = 2; +static const sal_Int16 DIC_VERSION_5 = 5; +static const sal_Int16 DIC_VERSION_6 = 6; +static const sal_Int16 DIC_VERSION_7 = 7; + +static sal_Bool getTag(const ByteString &rLine, + const sal_Char *pTagName, ByteString &rTagValue) +{ + xub_StrLen nPos = rLine.Search( pTagName ); + if (nPos == STRING_NOTFOUND) + return sal_False; + + rTagValue = rLine.Copy( nPos + sal::static_int_cast< xub_StrLen >(strlen( pTagName )) ).EraseLeadingAndTrailingChars(); + return sal_True; +} + + +sal_Int16 ReadDicVersion( SvStreamPtr &rpStream, sal_uInt16 &nLng, sal_Bool &bNeg ) +{ + // Sniff the header + sal_Int16 nDicVersion = DIC_VERSION_DONTKNOW; + sal_Char pMagicHeader[MAX_HEADER_LENGTH]; + + nLng = LANGUAGE_NONE; + bNeg = sal_False; + + if (!rpStream.get() || rpStream->GetError()) + return -1; + + sal_Size nSniffPos = rpStream->Tell(); + static sal_Size nVerOOo7Len = sal::static_int_cast< sal_Size >(strlen( pVerOOo7 )); + pMagicHeader[ nVerOOo7Len ] = '\0'; + if ((rpStream->Read((void *) pMagicHeader, nVerOOo7Len) == nVerOOo7Len) && + !strcmp(pMagicHeader, pVerOOo7)) + { + sal_Bool bSuccess; + ByteString aLine; + + nDicVersion = DIC_VERSION_7; + + // 1st skip magic / header line + rpStream->ReadLine(aLine); + + // 2nd line: language all | en-US | pt-BR ... + while (sal_True == (bSuccess = rpStream->ReadLine(aLine))) + { + ByteString aTagValue; + + if (aLine.GetChar(0) == '#') // skip comments + continue; + + // lang: field + if (getTag(aLine, "lang: ", aTagValue)) + { + if (aTagValue == "<none>") + nLng = LANGUAGE_NONE; + else + nLng = MsLangId::convertIsoStringToLanguage(OUString(aTagValue.GetBuffer(), + aTagValue.Len(), RTL_TEXTENCODING_ASCII_US)); + } + + // type: negative / positive + if (getTag(aLine, "type: ", aTagValue)) + { + if (aTagValue == "negative") + bNeg = sal_True; + else + bNeg = sal_False; + } + + if (aLine.Search ("---") != STRING_NOTFOUND) // end of header + break; + } + if (!bSuccess) + return -2; + } + else + { + sal_uInt16 nLen; + + rpStream->Seek (nSniffPos ); + + *rpStream >> nLen; + if (nLen >= MAX_HEADER_LENGTH) + return -1; + + rpStream->Read(pMagicHeader, nLen); + pMagicHeader[nLen] = '\0'; + + // Check version magic + if (0 == strcmp( pMagicHeader, pVerStr6 )) + nDicVersion = DIC_VERSION_6; + else if (0 == strcmp( pMagicHeader, pVerStr5 )) + nDicVersion = DIC_VERSION_5; + else if (0 == strcmp( pMagicHeader, pVerStr2 )) + nDicVersion = DIC_VERSION_2; + else + nDicVersion = DIC_VERSION_DONTKNOW; + + if (DIC_VERSION_2 == nDicVersion || + DIC_VERSION_5 == nDicVersion || + DIC_VERSION_6 == nDicVersion) + { + // The language of the dictionary + *rpStream >> nLng; + + if (VERS2_NOLANGUAGE == nLng) + nLng = LANGUAGE_NONE; + + // Negative Flag + sal_Char nTmp; + *rpStream >> nTmp; + bNeg = (sal_Bool)nTmp; + } + } + + return nDicVersion; +} + + + +const String GetDicExtension() +{ + return String::CreateFromAscii( pDicExt ); +} + + +DictionaryNeo::DictionaryNeo() : + aDicEvtListeners( GetLinguMutex() ), + eDicType (DictionaryType_POSITIVE), + nLanguage (LANGUAGE_NONE) +{ + nCount = 0; + nDicVersion = DIC_VERSION_DONTKNOW; + bNeedEntries = sal_False; + bIsModified = bIsActive = sal_False; + bIsReadonly = sal_False; +} + +DictionaryNeo::DictionaryNeo(const OUString &rName, + sal_Int16 nLang, DictionaryType eType, + const OUString &rMainURL, + sal_Bool bWriteable) : + aDicEvtListeners( GetLinguMutex() ), + aDicName (rName), + aMainURL (rMainURL), + eDicType (eType), + nLanguage (nLang) +{ + nCount = 0; + nDicVersion = DIC_VERSION_DONTKNOW; + bNeedEntries = sal_True; + bIsModified = bIsActive = sal_False; + bIsReadonly = !bWriteable; + + if( rMainURL.getLength() > 0 ) + { + sal_Bool bExists = FileExists( rMainURL ); + if( !bExists ) + { + // save new dictionaries with in Format 7 (UTF8 plain text) + nDicVersion = DIC_VERSION_7; + + //! create physical representation of an **empty** dictionary + //! that could be found by the dictionary-list implementation + // (Note: empty dictionaries are not just empty files!) + DBG_ASSERT( !bIsReadonly, + "DictionaryNeo: dictionaries should be writeable if they are to be saved" ); + if (!bIsReadonly) + saveEntries( rMainURL ); + bNeedEntries = sal_False; + } + } + else + { + // non persistent dictionaries (like IgnoreAllList) should always be writable + bIsReadonly = sal_False; + bNeedEntries = sal_False; + } +} + +DictionaryNeo::~DictionaryNeo() +{ +} + +sal_uLong DictionaryNeo::loadEntries(const OUString &rMainURL) +{ + MutexGuard aGuard( GetLinguMutex() ); + + // counter check that it is safe to set bIsModified to sal_False at + // the end of the function + DBG_ASSERT(!bIsModified, "lng : dictionary already modified!"); + + // function should only be called once in order to load entries from file + bNeedEntries = sal_False; + + if (rMainURL.getLength() == 0) + return 0; + + uno::Reference< lang::XMultiServiceFactory > xServiceFactory( utl::getProcessServiceFactory() ); + + // get XInputStream stream + uno::Reference< io::XInputStream > xStream; + try + { + uno::Reference< ucb::XSimpleFileAccess > xAccess( xServiceFactory->createInstance( + A2OU( "com.sun.star.ucb.SimpleFileAccess" ) ), uno::UNO_QUERY_THROW ); + xStream = xAccess->openFileRead( rMainURL ); + } + catch (uno::Exception & e) + { + DBG_ASSERT( 0, "failed to get input stream" ); + (void) e; + } + if (!xStream.is()) + return static_cast< sal_uLong >(-1); + + SvStreamPtr pStream = SvStreamPtr( utl::UcbStreamHelper::CreateStream( xStream ) ); + + sal_uLong nErr = sal::static_int_cast< sal_uLong >(-1); + + // read header + sal_Bool bNegativ; + sal_uInt16 nLang; + nDicVersion = ReadDicVersion(pStream, nLang, bNegativ); + if (0 != (nErr = pStream->GetError())) + return nErr; + + nLanguage = nLang; + + eDicType = bNegativ ? DictionaryType_NEGATIVE : DictionaryType_POSITIVE; + + rtl_TextEncoding eEnc = osl_getThreadTextEncoding(); + if (nDicVersion >= DIC_VERSION_6) + eEnc = RTL_TEXTENCODING_UTF8; + nCount = 0; + + if (DIC_VERSION_6 == nDicVersion || + DIC_VERSION_5 == nDicVersion || + DIC_VERSION_2 == nDicVersion) + { + sal_uInt16 nLen = 0; + sal_Char aWordBuf[ BUFSIZE ]; + + // Read the first word + if (!pStream->IsEof()) + { + *pStream >> nLen; + if (0 != (nErr = pStream->GetError())) + return nErr; + if ( nLen < BUFSIZE ) + { + pStream->Read(aWordBuf, nLen); + if (0 != (nErr = pStream->GetError())) + return nErr; + *(aWordBuf + nLen) = 0; + } + } + + while(!pStream->IsEof()) + { + // Read from file + // Paste in dictionary without converting + if(*aWordBuf) + { + ByteString aDummy( aWordBuf ); + String aText( aDummy, eEnc ); + uno::Reference< XDictionaryEntry > xEntry = + new DicEntry( aText, bNegativ ); + addEntry_Impl( xEntry , sal_True ); //! don't launch events here + } + + *pStream >> nLen; + if (pStream->IsEof()) + break; + if (0 != (nErr = pStream->GetError())) + return nErr; +#ifdef LINGU_EXCEPTIONS + if (nLen >= BUFSIZE) + throw io::IOException() ; +#endif + + if (nLen < BUFSIZE) + { + pStream->Read(aWordBuf, nLen); + if (0 != (nErr = pStream->GetError())) + return nErr; + } + else + return SVSTREAM_READ_ERROR; + *(aWordBuf + nLen) = 0; + } + } + else if (DIC_VERSION_7 == nDicVersion) + { + sal_Bool bSuccess; + ByteString aLine; + + // remaining lines - stock strings (a [==] b) + while (sal_True == (bSuccess = pStream->ReadLine(aLine))) + { + if (aLine.GetChar(0) == '#') // skip comments + continue; + rtl::OUString aText = rtl::OStringToOUString (aLine, RTL_TEXTENCODING_UTF8); + uno::Reference< XDictionaryEntry > xEntry = + new DicEntry( aText, eDicType == DictionaryType_NEGATIVE ); + addEntry_Impl( xEntry , sal_True ); //! don't launch events here + } + } + + DBG_ASSERT(isSorted(), "lng : dictionary is not sorted"); + + // since this routine should be called only initialy (prior to any + // modification to be saved) we reset the bIsModified flag here that + // was implicitly set by addEntry_Impl + bIsModified = sal_False; + + return pStream->GetError(); +} + + +static ByteString formatForSave( + const uno::Reference< XDictionaryEntry > &xEntry, rtl_TextEncoding eEnc ) +{ + ByteString aStr(xEntry->getDictionaryWord().getStr(), eEnc); + + if (xEntry->isNegative()) + { + aStr += "=="; + aStr += ByteString(xEntry->getReplacementText().getStr(), eEnc); + } + return aStr; +} + + +sal_uLong DictionaryNeo::saveEntries(const OUString &rURL) +{ + MutexGuard aGuard( GetLinguMutex() ); + + if (rURL.getLength() == 0) + return 0; + DBG_ASSERT(!INetURLObject( rURL ).HasError(), "lng : 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( rURL ); + } + catch (uno::Exception & e) + { + DBG_ASSERT( 0, "failed to get input stream" ); + (void) e; + } + if (!xStream.is()) + return static_cast< sal_uLong >(-1); + + SvStreamPtr pStream = SvStreamPtr( utl::UcbStreamHelper::CreateStream( xStream ) ); + sal_uLong nErr = sal::static_int_cast< sal_uLong >(-1); + + // + // Always write as the latest version, i.e. DIC_VERSION_7 + // + rtl_TextEncoding eEnc = RTL_TEXTENCODING_UTF8; + pStream->WriteLine(ByteString (pVerOOo7)); + if (0 != (nErr = pStream->GetError())) + return nErr; + if (nLanguage == LANGUAGE_NONE) + pStream->WriteLine(ByteString("lang: <none>")); + else + { + ByteString aLine("lang: "); + aLine += ByteString( String( MsLangId::convertLanguageToIsoString( nLanguage ) ), eEnc); + pStream->WriteLine( aLine ); + } + if (0 != (nErr = pStream->GetError())) + return nErr; + if (eDicType == DictionaryType_POSITIVE) + pStream->WriteLine(ByteString("type: positive")); + else + pStream->WriteLine(ByteString("type: negative")); + if (0 != (nErr = pStream->GetError())) + return nErr; + pStream->WriteLine(ByteString("---")); + if (0 != (nErr = pStream->GetError())) + return nErr; + const uno::Reference< XDictionaryEntry > *pEntry = aEntries.getConstArray(); + for (sal_Int32 i = 0; i < nCount; i++) + { + ByteString aOutStr = formatForSave(pEntry[i], eEnc); + pStream->WriteLine (aOutStr); + if (0 != (nErr = pStream->GetError())) + return nErr; + } + + //If we are migrating from an older version, then on first successful + //write, we're now converted to the latest version, i.e. DIC_VERSION_7 + nDicVersion = DIC_VERSION_7; + + return nErr; +} + +void DictionaryNeo::launchEvent(sal_Int16 nEvent, + uno::Reference< XDictionaryEntry > xEntry) +{ + MutexGuard aGuard( GetLinguMutex() ); + + DictionaryEvent aEvt; + aEvt.Source = uno::Reference< XDictionary >( this ); + aEvt.nEvent = nEvent; + aEvt.xDictionaryEntry = xEntry; + + cppu::OInterfaceIteratorHelper aIt( aDicEvtListeners ); + while (aIt.hasMoreElements()) + { + uno::Reference< XDictionaryEventListener > xRef( aIt.next(), UNO_QUERY ); + if (xRef.is()) + xRef->processDictionaryEvent( aEvt ); + } +} + +int DictionaryNeo::cmpDicEntry(const OUString& rWord1, + const OUString &rWord2, + sal_Bool bSimilarOnly) +{ + MutexGuard aGuard( GetLinguMutex() ); + + // returns 0 if rWord1 is equal to rWord2 + // " a value < 0 if rWord1 is less than rWord2 + // " a value > 0 if rWord1 is greater than rWord2 + + int nRes = 0; + + OUString aWord1( rWord1 ), + aWord2( rWord2 ); + sal_Int32 nLen1 = aWord1.getLength(), + nLen2 = aWord2.getLength(); + if (bSimilarOnly) + { + const sal_Unicode cChar = '.'; + if (nLen1 && cChar == aWord1[ nLen1 - 1 ]) + nLen1--; + if (nLen2 && cChar == aWord2[ nLen2 - 1 ]) + nLen2--; + } + + const sal_Unicode cIgnChar = '='; + sal_Int32 nIdx1 = 0, + nIdx2 = 0, + nNumIgnChar1 = 0, + nNumIgnChar2 = 0; + + sal_Int32 nDiff = 0; + sal_Unicode cChar1 = '\0'; + sal_Unicode cChar2 = '\0'; + do + { + // skip chars to be ignored + while (nIdx1 < nLen1 && (cChar1 = aWord1[ nIdx1 ]) == cIgnChar) + { + nIdx1++; + nNumIgnChar1++; + } + while (nIdx2 < nLen2 && (cChar2 = aWord2[ nIdx2 ]) == cIgnChar) + { + nIdx2++; + nNumIgnChar2++; + } + + if (nIdx1 < nLen1 && nIdx2 < nLen2) + { + nDiff = cChar1 - cChar2; + if (nDiff) + break; + nIdx1++; + nIdx2++; + } + } while (nIdx1 < nLen1 && nIdx2 < nLen2); + + + if (nDiff) + nRes = nDiff; + else + { // the string with the smallest count of not ignored chars is the + // shorter one + + // count remaining IgnChars + while (nIdx1 < nLen1 ) + { + if (aWord1[ nIdx1++ ] == cIgnChar) + nNumIgnChar1++; + } + while (nIdx2 < nLen2 ) + { + if (aWord2[ nIdx2++ ] == cIgnChar) + nNumIgnChar2++; + } + + nRes = ((sal_Int32) nLen1 - nNumIgnChar1) - ((sal_Int32) nLen2 - nNumIgnChar2); + } + + return nRes; +} + +sal_Bool DictionaryNeo::seekEntry(const OUString &rWord, + sal_Int32 *pPos, sal_Bool bSimilarOnly) +{ + // look for entry with binary search. + // return sal_True if found sal_False else. + // if pPos != NULL it will become the position of the found entry, or + // if that was not found the position where it has to be inserted + // to keep the entries sorted + + MutexGuard aGuard( GetLinguMutex() ); + + const uno::Reference< XDictionaryEntry > *pEntry = aEntries.getConstArray(); + sal_Int32 nUpperIdx = getCount(), + nMidIdx, + nLowerIdx = 0; + if( nUpperIdx > 0 ) + { + nUpperIdx--; + while( nLowerIdx <= nUpperIdx ) + { + nMidIdx = (nLowerIdx + nUpperIdx) / 2; + DBG_ASSERT(pEntry[nMidIdx].is(), "lng : empty entry encountered"); + + int nCmp = - cmpDicEntry( pEntry[nMidIdx]->getDictionaryWord(), + rWord, bSimilarOnly ); + if(nCmp == 0) + { + if( pPos ) *pPos = nMidIdx; + return sal_True; + } + else if(nCmp > 0) + nLowerIdx = nMidIdx + 1; + else if( nMidIdx == 0 ) + { + if( pPos ) *pPos = nLowerIdx; + return sal_False; + } + else + nUpperIdx = nMidIdx - 1; + } + } + if( pPos ) *pPos = nLowerIdx; + return sal_False; +} + +sal_Bool DictionaryNeo::isSorted() +{ + sal_Bool bRes = sal_True; + + const uno::Reference< XDictionaryEntry > *pEntry = aEntries.getConstArray(); + sal_Int32 nEntries = getCount(); + sal_Int32 i; + for (i = 1; i < nEntries; i++) + { + if (cmpDicEntry( pEntry[i-1]->getDictionaryWord(), + pEntry[i]->getDictionaryWord() ) > 0) + { + bRes = sal_False; + break; + } + } + return bRes; +} + +sal_Bool DictionaryNeo::addEntry_Impl(const uno::Reference< XDictionaryEntry > xDicEntry, + sal_Bool bIsLoadEntries) +{ + MutexGuard aGuard( GetLinguMutex() ); + + sal_Bool bRes = sal_False; + + if ( bIsLoadEntries || (!bIsReadonly && xDicEntry.is()) ) + { + sal_Bool bIsNegEntry = xDicEntry->isNegative(); + sal_Bool bAddEntry = !isFull() && + ( ( eDicType == DictionaryType_POSITIVE && !bIsNegEntry ) + || ( eDicType == DictionaryType_NEGATIVE && bIsNegEntry ) + || ( eDicType == DictionaryType_MIXED ) ); + + // look for position to insert entry at + // if there is already an entry do not insert the new one + sal_Int32 nPos = 0; + sal_Bool bFound = sal_False; + if (bAddEntry) + { + bFound = seekEntry( xDicEntry->getDictionaryWord(), &nPos ); + if (bFound) + bAddEntry = sal_False; + } + + if (bAddEntry) + { + DBG_ASSERT(!bNeedEntries, "lng : entries still not loaded"); + + if (nCount >= aEntries.getLength()) + aEntries.realloc( Max(2 * nCount, nCount + 32) ); + uno::Reference< XDictionaryEntry > *pEntry = aEntries.getArray(); + + // shift old entries right + sal_Int32 i; + for (i = nCount - 1; i >= nPos; i--) + pEntry[ i+1 ] = pEntry[ i ]; + // insert new entry at specified position + pEntry[ nPos ] = xDicEntry; + DBG_ASSERT(isSorted(), "lng : dictionary entries unsorted"); + + nCount++; + + bIsModified = sal_True; + bRes = sal_True; + + if (!bIsLoadEntries) + launchEvent( DictionaryEventFlags::ADD_ENTRY, xDicEntry ); + } + } + + return bRes; +} + + +uno::Reference< XInterface > SAL_CALL DictionaryNeo_CreateInstance( + const uno::Reference< XMultiServiceFactory > & /*rSMgr*/ ) + throw(Exception) +{ + uno::Reference< XInterface > xService = + (cppu::OWeakObject*) new DictionaryNeo; + return xService; +} + +OUString SAL_CALL DictionaryNeo::getName( ) + throw(RuntimeException) +{ + MutexGuard aGuard( GetLinguMutex() ); + return aDicName; +} + +void SAL_CALL DictionaryNeo::setName( const OUString& aName ) + throw(RuntimeException) +{ + MutexGuard aGuard( GetLinguMutex() ); + + if (aDicName != aName) + { + aDicName = aName; + launchEvent(DictionaryEventFlags::CHG_NAME, NULL); + } +} + +DictionaryType SAL_CALL DictionaryNeo::getDictionaryType( ) + throw(RuntimeException) +{ + MutexGuard aGuard( GetLinguMutex() ); + + return eDicType; +} + +void SAL_CALL DictionaryNeo::setActive( sal_Bool bActivate ) + throw(RuntimeException) +{ + MutexGuard aGuard( GetLinguMutex() ); + + if (bIsActive != bActivate) + { + bIsActive = bActivate != 0; + sal_Int16 nEvent = bIsActive ? + DictionaryEventFlags::ACTIVATE_DIC : DictionaryEventFlags::DEACTIVATE_DIC; + + // remove entries from memory if dictionary is deactivated + if (bIsActive == sal_False) + { + sal_Bool bIsEmpty = nCount == 0; + + // save entries first if necessary + if (bIsModified && hasLocation() && !isReadonly()) + { + store(); + + aEntries.realloc( 0 ); + nCount = 0; + bNeedEntries = !bIsEmpty; + } + DBG_ASSERT( !bIsModified || !hasLocation() || isReadonly(), + "lng : dictionary is still modified" ); + } + + launchEvent(nEvent, NULL); + } +} + +sal_Bool SAL_CALL DictionaryNeo::isActive( ) + throw(RuntimeException) +{ + MutexGuard aGuard( GetLinguMutex() ); + return bIsActive; +} + +sal_Int32 SAL_CALL DictionaryNeo::getCount( ) + throw(RuntimeException) +{ + MutexGuard aGuard( GetLinguMutex() ); + + if (bNeedEntries) + loadEntries( aMainURL ); + return nCount; +} + +Locale SAL_CALL DictionaryNeo::getLocale( ) + throw(RuntimeException) +{ + MutexGuard aGuard( GetLinguMutex() ); + Locale aRes; + return LanguageToLocale( aRes, nLanguage ); +} + +void SAL_CALL DictionaryNeo::setLocale( const Locale& aLocale ) + throw(RuntimeException) +{ + MutexGuard aGuard( GetLinguMutex() ); + sal_Int16 nLanguageP = LocaleToLanguage( aLocale ); + if (!bIsReadonly && nLanguage != nLanguageP) + { + nLanguage = nLanguageP; + bIsModified = sal_True; // new language needs to be saved with dictionary + + launchEvent( DictionaryEventFlags::CHG_LANGUAGE, NULL ); + } +} + +uno::Reference< XDictionaryEntry > SAL_CALL DictionaryNeo::getEntry( + const OUString& aWord ) + throw(RuntimeException) +{ + MutexGuard aGuard( GetLinguMutex() ); + + if (bNeedEntries) + loadEntries( aMainURL ); + + sal_Int32 nPos; + sal_Bool bFound = seekEntry( aWord, &nPos, sal_True ); + DBG_ASSERT( nCount <= aEntries.getLength(), "lng : wrong number of entries"); + DBG_ASSERT(!bFound || nPos < nCount, "lng : index out of range"); + + return bFound ? aEntries.getConstArray()[ nPos ] + : uno::Reference< XDictionaryEntry >(); +} + +sal_Bool SAL_CALL DictionaryNeo::addEntry( + const uno::Reference< XDictionaryEntry >& xDicEntry ) + throw(RuntimeException) +{ + MutexGuard aGuard( GetLinguMutex() ); + + sal_Bool bRes = sal_False; + + if (!bIsReadonly) + { + if (bNeedEntries) + loadEntries( aMainURL ); + bRes = addEntry_Impl( xDicEntry ); + } + + return bRes; +} + +sal_Bool SAL_CALL + DictionaryNeo::add( const OUString& rWord, sal_Bool bIsNegative, + const OUString& rRplcText ) + throw(RuntimeException) +{ + MutexGuard aGuard( GetLinguMutex() ); + + sal_Bool bRes = sal_False; + + if (!bIsReadonly) + { + uno::Reference< XDictionaryEntry > xEntry = + new DicEntry( rWord, bIsNegative, rRplcText ); + bRes = addEntry_Impl( xEntry ); + } + + return bRes; +} + +void lcl_SequenceRemoveElementAt( + uno::Sequence< uno::Reference< XDictionaryEntry > >& rEntries, int nPos ) +{ + //TODO: helper for SequenceRemoveElementAt available? + if(nPos >= rEntries.getLength()) + return; + uno::Sequence< uno::Reference< XDictionaryEntry > > aTmp(rEntries.getLength() - 1); + uno::Reference< XDictionaryEntry > * pOrig = rEntries.getArray(); + uno::Reference< XDictionaryEntry > * pTemp = aTmp.getArray(); + int nOffset = 0; + for(int i = 0; i < aTmp.getLength(); i++) + { + if(nPos == i) + nOffset++; + pTemp[i] = pOrig[i + nOffset]; + } + + rEntries = aTmp; +} + +sal_Bool SAL_CALL DictionaryNeo::remove( const OUString& aWord ) + throw(RuntimeException) +{ + MutexGuard aGuard( GetLinguMutex() ); + + sal_Bool bRemoved = sal_False; + + if (!bIsReadonly) + { + if (bNeedEntries) + loadEntries( aMainURL ); + + sal_Int32 nPos; + sal_Bool bFound = seekEntry( aWord, &nPos ); + DBG_ASSERT( nCount < aEntries.getLength(), + "lng : wrong number of entries"); + DBG_ASSERT(!bFound || nPos < nCount, "lng : index out of range"); + + // remove element if found + if (bFound) + { + // entry to be removed + uno::Reference< XDictionaryEntry > + xDicEntry( aEntries.getConstArray()[ nPos ] ); + DBG_ASSERT(xDicEntry.is(), "lng : dictionary entry is NULL"); + + nCount--; + + //! the following call reduces the length of the sequence by 1 also + lcl_SequenceRemoveElementAt( aEntries, nPos ); + bRemoved = bIsModified = sal_True; + + launchEvent( DictionaryEventFlags::DEL_ENTRY, xDicEntry ); + } + } + + return bRemoved; +} + +sal_Bool SAL_CALL DictionaryNeo::isFull( ) + throw(RuntimeException) +{ + MutexGuard aGuard( GetLinguMutex() ); + + if (bNeedEntries) + loadEntries( aMainURL ); + return nCount >= DIC_MAX_ENTRIES; +} + +uno::Sequence< uno::Reference< XDictionaryEntry > > + SAL_CALL DictionaryNeo::getEntries( ) + throw(RuntimeException) +{ + MutexGuard aGuard( GetLinguMutex() ); + + if (bNeedEntries) + loadEntries( aMainURL ); + //! return sequence with length equal to the number of dictionary entries + //! (internal used sequence may have additional unused elements.) + return uno::Sequence< uno::Reference< XDictionaryEntry > > + (aEntries.getConstArray(), nCount); +} + + +void SAL_CALL DictionaryNeo::clear( ) + throw(RuntimeException) +{ + MutexGuard aGuard( GetLinguMutex() ); + + if (!bIsReadonly && nCount) + { + // release all references to old entries and provide space for new ones + aEntries = uno::Sequence< uno::Reference< XDictionaryEntry > > ( 32 ); + + nCount = 0; + bNeedEntries = sal_False; + bIsModified = sal_True; + + launchEvent( DictionaryEventFlags::ENTRIES_CLEARED , NULL ); + } +} + +sal_Bool SAL_CALL DictionaryNeo::addDictionaryEventListener( + const uno::Reference< XDictionaryEventListener >& xListener ) + throw(RuntimeException) +{ + MutexGuard aGuard( GetLinguMutex() ); + + sal_Bool bRes = sal_False; + if (xListener.is()) + { + sal_Int32 nLen = aDicEvtListeners.getLength(); + bRes = aDicEvtListeners.addInterface( xListener ) != nLen; + } + return bRes; +} + +sal_Bool SAL_CALL DictionaryNeo::removeDictionaryEventListener( + const uno::Reference< XDictionaryEventListener >& xListener ) + throw(RuntimeException) +{ + MutexGuard aGuard( GetLinguMutex() ); + + sal_Bool bRes = sal_False; + if (xListener.is()) + { + sal_Int32 nLen = aDicEvtListeners.getLength(); + bRes = aDicEvtListeners.removeInterface( xListener ) != nLen; + } + return bRes; +} + + +sal_Bool SAL_CALL DictionaryNeo::hasLocation() + throw(RuntimeException) +{ + MutexGuard aGuard( GetLinguMutex() ); + return aMainURL.getLength() > 0; +} + +OUString SAL_CALL DictionaryNeo::getLocation() + throw(RuntimeException) +{ + MutexGuard aGuard( GetLinguMutex() ); + return aMainURL; +} + +sal_Bool SAL_CALL DictionaryNeo::isReadonly() + throw(RuntimeException) +{ + MutexGuard aGuard( GetLinguMutex() ); + + return bIsReadonly; +} + +void SAL_CALL DictionaryNeo::store() + throw(io::IOException, RuntimeException) +{ + MutexGuard aGuard( GetLinguMutex() ); + + if (bIsModified && hasLocation() && !isReadonly()) + { + if (saveEntries( aMainURL )) + { +#ifdef LINGU_EXCEPTIONS + throw io::IOException(); +#endif + } + else + bIsModified = sal_False; + } +} + +void SAL_CALL DictionaryNeo::storeAsURL( + const OUString& aURL, + const uno::Sequence< beans::PropertyValue >& /*rArgs*/ ) + throw(io::IOException, RuntimeException) +{ + MutexGuard aGuard( GetLinguMutex() ); + + if (saveEntries( aURL )) + { +#ifdef LINGU_EXCEPTIONS + throw io::IOException(); +#endif + } + else + { + aMainURL = aURL; + bIsModified = sal_False; + bIsReadonly = IsReadOnly( getLocation() ); + } +} + +void SAL_CALL DictionaryNeo::storeToURL( + const OUString& aURL, + const uno::Sequence< beans::PropertyValue >& /*rArgs*/ ) + throw(io::IOException, RuntimeException) +{ + MutexGuard aGuard( GetLinguMutex() ); + + if (saveEntries( aURL )) + { +#ifdef LINGU_EXCEPTIONS + throw io::IOException(); +#endif + } +} + + +DicEntry::DicEntry(const OUString &rDicFileWord, + sal_Bool bIsNegativWord) +{ + if (rDicFileWord.getLength()) + splitDicFileWord( rDicFileWord, aDicWord, aReplacement ); + bIsNegativ = bIsNegativWord; +} + +DicEntry::DicEntry(const OUString &rDicWord, sal_Bool bNegativ, + const OUString &rRplcText) : + aDicWord (rDicWord), + aReplacement (rRplcText), + bIsNegativ (bNegativ) +{ +} + +DicEntry::~DicEntry() +{ +} + +void DicEntry::splitDicFileWord(const OUString &rDicFileWord, + OUString &rDicWord, + OUString &rReplacement) +{ + MutexGuard aGuard( GetLinguMutex() ); + + static const OUString aDelim( A2OU( "==" ) ); + + sal_Int32 nDelimPos = rDicFileWord.indexOf( aDelim ); + if (-1 != nDelimPos) + { + sal_Int32 nTriplePos = nDelimPos + 2; + if ( nTriplePos < rDicFileWord.getLength() + && rDicFileWord[ nTriplePos ] == '=' ) + ++nDelimPos; + rDicWord = rDicFileWord.copy( 0, nDelimPos ); + rReplacement = rDicFileWord.copy( nDelimPos + 2 ); + } + else + { + rDicWord = rDicFileWord; + rReplacement = OUString(); + } +} + +OUString SAL_CALL DicEntry::getDictionaryWord( ) + throw(RuntimeException) +{ + MutexGuard aGuard( GetLinguMutex() ); + return aDicWord; +} + +sal_Bool SAL_CALL DicEntry::isNegative( ) + throw(RuntimeException) +{ + MutexGuard aGuard( GetLinguMutex() ); + return bIsNegativ; +} + +OUString SAL_CALL DicEntry::getReplacementText( ) + throw(RuntimeException) +{ + MutexGuard aGuard( GetLinguMutex() ); + return aReplacement; +} + + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |