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office-gobmx/linguistic/source/dicimp.cxx
Noel Grandin 04aafba860 loplugin:stringadd simplify some *StringBuffer operations 
pulled from a larger patch which I created with a more permissive
variant of this plugin

Change-Id: I7abf1f3f09e84703b6e0e52fe9587dff691b2187
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/114875
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2021-04-29 18:25:31 +02:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <cppuhelper/factory.hxx>
#include "dicimp.hxx"
#include <i18nlangtag/lang.h>
#include <i18nlangtag/languagetag.hxx>
#include <linguistic/misc.hxx>
#include <osl/mutex.hxx>
#include <osl/thread.h>
#include <sal/log.hxx>
#include <tools/debug.hxx>
#include <tools/stream.hxx>
#include <tools/urlobj.hxx>
#include <comphelper/processfactory.hxx>
#include <comphelper/string.hxx>
#include <comphelper/sequence.hxx>
#include <unotools/ucbstreamhelper.hxx>
#include <com/sun/star/ucb/SimpleFileAccess.hpp>
#include <com/sun/star/linguistic2/DictionaryEventFlags.hpp>
#include <com/sun/star/io/TempFile.hpp>
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/linguistic2/LinguServiceManager.hpp>
#include <com/sun/star/linguistic2/XSpellChecker1.hpp>
#include <algorithm>
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;
#define BUFSIZE 4096
#define VERS2_NOLANGUAGE 1024
#define MAX_HEADER_LENGTH 16
// XML-header to query SPELLML support
// to handle user words with "Grammar By" model words
#define SPELLML_SUPPORT "<?xml?>"
// User dictionaries can contain optional "title:" tags
// to support custom titles with space and other characters.
// (old mechanism stores the title of the user dictionary
// only in its file name, but special characters are
// problem for user dictionaries shipped with LibreOffice).
//
// The following fake file name extension will be
// added to the text of the title: field for correct
// text stripping and dictionary saving.
#define EXTENSION_FOR_TITLE_TEXT "."
const char* const pVerStr2 = "WBSWG2";
const char* const pVerStr5 = "WBSWG5";
const char* const pVerStr6 = "WBSWG6";
const char* const pVerOOo7 = "OOoUserDict1";
const sal_Int16 DIC_VERSION_DONTKNOW = -1;
const sal_Int16 DIC_VERSION_2 = 2;
const sal_Int16 DIC_VERSION_5 = 5;
const sal_Int16 DIC_VERSION_6 = 6;
const sal_Int16 DIC_VERSION_7 = 7;
static uno::Reference< XLinguServiceManager2 > GetLngSvcMgr_Impl()
{
uno::Reference< XComponentContext > xContext( comphelper::getProcessComponentContext() );
uno::Reference< XLinguServiceManager2 > xRes = LinguServiceManager::create( xContext ) ;
return xRes;
}
static bool getTag(const OString &rLine, const char *pTagName,
OString &rTagValue)
{
sal_Int32 nPos = rLine.indexOf(pTagName);
if (nPos == -1)
return false;
rTagValue = comphelper::string::strip(rLine.subView(nPos + strlen(pTagName)),
' ');
return true;
}
sal_Int16 ReadDicVersion( SvStream& rStream, LanguageType &nLng, bool &bNeg, OUString &aDicName )
{
// Sniff the header
sal_Int16 nDicVersion = DIC_VERSION_DONTKNOW;
char pMagicHeader[MAX_HEADER_LENGTH];
nLng = LANGUAGE_NONE;
bNeg = false;
if (rStream.GetError())
return -1;
sal_uInt64 const nSniffPos = rStream.Tell();
static std::size_t nVerOOo7Len = sal::static_int_cast< std::size_t >(strlen( pVerOOo7 ));
pMagicHeader[ nVerOOo7Len ] = '\0';
if ((rStream.ReadBytes(static_cast<void *>(pMagicHeader), nVerOOo7Len) == nVerOOo7Len) &&
!strcmp(pMagicHeader, pVerOOo7))
{
bool bSuccess;
OString aLine;
nDicVersion = DIC_VERSION_7;
// 1st skip magic / header line
rStream.ReadLine(aLine);
// 2nd line: language all | en-US | pt-BR ...
while ((bSuccess = rStream.ReadLine(aLine)))
{
OString aTagValue;
if (aLine[0] == '#') // skip comments
continue;
// lang: field
if (getTag(aLine, "lang: ", aTagValue))
{
if (aTagValue == "<none>")
nLng = LANGUAGE_NONE;
else
nLng = LanguageTag::convertToLanguageType(
OStringToOUString( aTagValue, RTL_TEXTENCODING_ASCII_US));
}
// type: negative / positive
if (getTag(aLine, "type: ", aTagValue))
{
bNeg = aTagValue == "negative";
}
// lang: title
if (getTag(aLine, "title: ", aTagValue))
{
aDicName = OStringToOUString( aTagValue, RTL_TEXTENCODING_UTF8) +
// recent title text preparation in GetDicInfoStr() waits for an
// extension, so we add it to avoid bad stripping at final dot
// of the title text
EXTENSION_FOR_TITLE_TEXT;
}
if (aLine.indexOf("---") != -1) // end of header
break;
}
if (!bSuccess)
return -2;
}
else
{
sal_uInt16 nLen;
rStream.Seek (nSniffPos );
rStream.ReadUInt16( nLen );
if (nLen >= MAX_HEADER_LENGTH)
return -1;
rStream.ReadBytes(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
sal_uInt16 nTmp = 0;
rStream.ReadUInt16( nTmp );
nLng = LanguageType(nTmp);
if (VERS2_NOLANGUAGE == static_cast<sal_uInt16>(nLng))
nLng = LANGUAGE_NONE;
// Negative Flag
rStream.ReadCharAsBool( bNeg );
}
}
return nDicVersion;
}
DictionaryNeo::DictionaryNeo(const OUString &rName,
LanguageType nLang, DictionaryType eType,
const OUString &rMainURL,
bool bWriteable) :
aDicEvtListeners( GetLinguMutex() ),
aDicName (rName),
aMainURL (rMainURL),
eDicType (eType),
nLanguage (nLang)
{
nDicVersion = DIC_VERSION_DONTKNOW;
bNeedEntries = true;
bIsModified = bIsActive = false;
bIsReadonly = !bWriteable;
if( !rMainURL.isEmpty())
{
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 = false;
}
}
else
{
// non persistent dictionaries (like IgnoreAllList) should always be writable
bIsReadonly = false;
bNeedEntries = false;
}
}
DictionaryNeo::~DictionaryNeo()
{
}
ErrCode 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 = false;
if (rMainURL.isEmpty())
return ERRCODE_NONE;
uno::Reference< uno::XComponentContext > xContext( comphelper::getProcessComponentContext() );
// get XInputStream stream
uno::Reference< io::XInputStream > xStream;
try
{
uno::Reference< ucb::XSimpleFileAccess3 > xAccess( ucb::SimpleFileAccess::create(xContext) );
xStream = xAccess->openFileRead( rMainURL );
}
catch (const uno::Exception &)
{
SAL_WARN( "linguistic", "failed to get input stream" );
}
if (!xStream.is())
return ErrCode(sal_uInt32(-1));
std::unique_ptr<SvStream> pStream( utl::UcbStreamHelper::CreateStream( xStream ) );
// read header
bool bNegativ;
LanguageType nLang;
nDicVersion = ReadDicVersion(*pStream, nLang, bNegativ, aDicName);
ErrCode nErr = pStream->GetError();
if (nErr != ERRCODE_NONE)
return nErr;
nLanguage = nLang;
eDicType = bNegativ ? DictionaryType_NEGATIVE : DictionaryType_POSITIVE;
rtl_TextEncoding eEnc = osl_getThreadTextEncoding();
if (nDicVersion >= DIC_VERSION_6)
eEnc = RTL_TEXTENCODING_UTF8;
aEntries.clear();
if (DIC_VERSION_6 == nDicVersion ||
DIC_VERSION_5 == nDicVersion ||
DIC_VERSION_2 == nDicVersion)
{
sal_uInt16 nLen = 0;
char aWordBuf[ BUFSIZE ];
// Read the first word
if (!pStream->eof())
{
pStream->ReadUInt16( nLen );
if (ERRCODE_NONE != (nErr = pStream->GetError()))
return nErr;
if ( nLen < BUFSIZE )
{
pStream->ReadBytes(aWordBuf, nLen);
if (ERRCODE_NONE != (nErr = pStream->GetError()))
return nErr;
*(aWordBuf + nLen) = 0;
}
else
return SVSTREAM_READ_ERROR;
}
while(!pStream->eof())
{
// Read from file
// Paste in dictionary without converting
if(*aWordBuf)
{
OUString aText(aWordBuf, rtl_str_getLength(aWordBuf), eEnc);
uno::Reference< XDictionaryEntry > xEntry =
new DicEntry( aText, bNegativ );
addEntry_Impl( xEntry, true ); //! don't launch events here
}
pStream->ReadUInt16( nLen );
if (pStream->eof())
break;
if (ERRCODE_NONE != (nErr = pStream->GetError()))
return nErr;
if (nLen < BUFSIZE)
{
pStream->ReadBytes(aWordBuf, nLen);
if (ERRCODE_NONE != (nErr = pStream->GetError()))
return nErr;
}
else
return SVSTREAM_READ_ERROR;
*(aWordBuf + nLen) = 0;
}
}
else if (DIC_VERSION_7 == nDicVersion)
{
OString aLine;
// remaining lines - stock strings (a [==] b)
while (pStream->ReadLine(aLine))
{
if (aLine.isEmpty() || aLine[0] == '#') // skip comments
continue;
OUString aText = OStringToOUString(aLine, RTL_TEXTENCODING_UTF8);
uno::Reference< XDictionaryEntry > xEntry =
new DicEntry( aText, eDicType == DictionaryType_NEGATIVE );
addEntry_Impl( xEntry, true ); //! don't launch events here
}
}
SAL_WARN_IF(!isSorted(), "linguistic", "dictionary is not sorted");
// since this routine should be called only initially (prior to any
// modification to be saved) we reset the bIsModified flag here that
// was implicitly set by addEntry_Impl
bIsModified = false;
return pStream->GetError();
}
static OString formatForSave(const uno::Reference< XDictionaryEntry > &xEntry,
rtl_TextEncoding eEnc )
{
OUStringBuffer aStr(xEntry->getDictionaryWord());
if (xEntry->isNegative() || !xEntry->getReplacementText().isEmpty())
{
aStr.append("==" + xEntry->getReplacementText());
}
return OUStringToOString(aStr, eEnc);
}
ErrCode DictionaryNeo::saveEntries(const OUString &rURL)
{
MutexGuard aGuard( GetLinguMutex() );
if (rURL.isEmpty())
return ERRCODE_NONE;
DBG_ASSERT(!INetURLObject( rURL ).HasError(), "lng : invalid URL");
uno::Reference< uno::XComponentContext > xContext( comphelper::getProcessComponentContext() );
// get XOutputStream stream
uno::Reference<io::XStream> xStream;
try
{
xStream = io::TempFile::create(xContext);
}
catch (const uno::Exception &)
{
DBG_ASSERT( false, "failed to get input stream" );
}
if (!xStream.is())
return ErrCode(sal_uInt32(-1));
std::unique_ptr<SvStream> pStream( utl::UcbStreamHelper::CreateStream( xStream ) );
// Always write as the latest version, i.e. DIC_VERSION_7
rtl_TextEncoding eEnc = RTL_TEXTENCODING_UTF8;
pStream->WriteLine(pVerOOo7);
ErrCode nErr = pStream->GetError();
if (nErr != ERRCODE_NONE)
return nErr;
/* XXX: the <none> case could be differentiated, is it absence or
* undetermined or multiple? Earlier versions did not know about 'und' and
* 'mul' and 'zxx' codes. Sync with ReadDicVersion() */
if (LinguIsUnspecified(nLanguage))
pStream->WriteLine("lang: <none>");
else
{
OString aLine = "lang: " + OUStringToOString(LanguageTag::convertToBcp47(nLanguage), eEnc);
pStream->WriteLine(aLine);
}
if (ERRCODE_NONE != (nErr = pStream->GetError()))
return nErr;
if (eDicType == DictionaryType_POSITIVE)
pStream->WriteLine("type: positive");
else
pStream->WriteLine("type: negative");
if (aDicName.endsWith(EXTENSION_FOR_TITLE_TEXT))
{
pStream->WriteLine(OString("title: " + OUStringToOString(
// strip EXTENSION_FOR_TITLE_TEXT
aDicName.subView(0, aDicName.lastIndexOf(EXTENSION_FOR_TITLE_TEXT)), eEnc)));
}
if (ERRCODE_NONE != (nErr = pStream->GetError()))
return nErr;
pStream->WriteLine("---");
if (ERRCODE_NONE != (nErr = pStream->GetError()))
return nErr;
for (const Reference<XDictionaryEntry> & aEntrie : aEntries)
{
OString aOutStr = formatForSave(aEntrie, eEnc);
pStream->WriteLine (aOutStr);
if (ERRCODE_NONE != (nErr = pStream->GetError()))
return nErr;
}
try
{
pStream.reset();
uno::Reference< ucb::XSimpleFileAccess3 > xAccess(ucb::SimpleFileAccess::create(xContext));
Reference<io::XInputStream> xInputStream(xStream, UNO_QUERY_THROW);
uno::Reference<io::XSeekable> xSeek(xInputStream, UNO_QUERY_THROW);
xSeek->seek(0);
xAccess->writeFile(rURL, xInputStream);
//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;
}
catch (const uno::Exception &)
{
DBG_ASSERT( false, "failed to write stream" );
return ErrCode(sal_uInt32(-1));
}
return nErr;
}
void DictionaryNeo::launchEvent(sal_Int16 nEvent,
const uno::Reference< XDictionaryEntry >& xEntry)
{
MutexGuard aGuard( GetLinguMutex() );
DictionaryEvent aEvt;
aEvt.Source = uno::Reference< XDictionary >( this );
aEvt.nEvent = nEvent;
aEvt.xDictionaryEntry = xEntry;
aDicEvtListeners.notifyEach( &XDictionaryEventListener::processDictionaryEvent, aEvt);
}
int DictionaryNeo::cmpDicEntry(const OUString& rWord1,
const OUString &rWord2,
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;
sal_Int32 nLen1 = rWord1.getLength(),
nLen2 = rWord2.getLength();
if (bSimilarOnly)
{
const sal_Unicode cChar = '.';
if (nLen1 && cChar == rWord1[ nLen1 - 1 ])
nLen1--;
if (nLen2 && cChar == rWord2[ nLen2 - 1 ])
nLen2--;
}
const sal_Unicode cIgnChar = '=';
const sal_Unicode cIgnBeg = '['; // for alternative hyphenation, eg. Schif[f]fahrt, Zuc[1k]ker
const sal_Unicode cIgnEnd = ']'; // planned: gee"[1-/e]rfde or ge[-/1e]e"rfde (gee"rfde -> ge=erfde)
sal_Int32 nIdx1 = 0,
nIdx2 = 0,
nNumIgnChar1 = 0,
nNumIgnChar2 = 0;
bool IgnState;
sal_Int32 nDiff = 0;
sal_Unicode cChar1 = '\0';
sal_Unicode cChar2 = '\0';
do
{
// skip chars to be ignored
IgnState = false;
while (nIdx1 < nLen1)
{
cChar1 = rWord1[ nIdx1 ];
if (cChar1 != cIgnChar && cChar1 != cIgnBeg && !IgnState )
break;
if ( cChar1 == cIgnBeg )
IgnState = true;
else if (cChar1 == cIgnEnd)
IgnState = false;
nIdx1++;
nNumIgnChar1++;
}
IgnState = false;
while (nIdx2 < nLen2)
{
cChar2 = rWord2[ nIdx2 ];
if (cChar2 != cIgnChar && cChar2 != cIgnBeg && !IgnState )
break;
if ( cChar2 == cIgnBeg )
IgnState = true;
else if (cChar2 == cIgnEnd)
IgnState = false;
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
IgnState = false;
while (nIdx1 < nLen1 )
{
if (rWord1[ nIdx1 ] == cIgnBeg)
IgnState = true;
if (IgnState || rWord1[ nIdx1 ] == cIgnChar)
nNumIgnChar1++;
if (rWord1[ nIdx1] == cIgnEnd)
IgnState = false;
nIdx1++;
}
IgnState = false;
while (nIdx2 < nLen2 )
{
if (rWord2[ nIdx2 ] == cIgnBeg)
IgnState = true;
if (IgnState || rWord2[ nIdx2 ] == cIgnChar)
nNumIgnChar2++;
if (rWord2[ nIdx2 ] == cIgnEnd)
IgnState = false;
nIdx2++;
}
nRes = (nLen1 - nNumIgnChar1) - (nLen2 - nNumIgnChar2);
}
return nRes;
}
bool DictionaryNeo::seekEntry(const OUString &rWord,
sal_Int32 *pPos, 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() );
sal_Int32 nUpperIdx = getCount(),
nMidIdx,
nLowerIdx = 0;
if( nUpperIdx > 0 )
{
nUpperIdx--;
while( nLowerIdx <= nUpperIdx )
{
nMidIdx = (nLowerIdx + nUpperIdx) / 2;
DBG_ASSERT(aEntries[nMidIdx].is(), "lng : empty entry encountered");
int nCmp = - cmpDicEntry( aEntries[nMidIdx]->getDictionaryWord(),
rWord, bSimilarOnly );
if(nCmp == 0)
{
if( pPos ) *pPos = nMidIdx;
return true;
}
else if(nCmp > 0)
nLowerIdx = nMidIdx + 1;
else if( nMidIdx == 0 )
{
if( pPos ) *pPos = nLowerIdx;
return false;
}
else
nUpperIdx = nMidIdx - 1;
}
}
if( pPos ) *pPos = nLowerIdx;
return false;
}
bool DictionaryNeo::isSorted()
{
bool bRes = true;
sal_Int32 nEntries = getCount();
sal_Int32 i;
for (i = 1; i < nEntries; i++)
{
if (cmpDicEntry( aEntries[i-1]->getDictionaryWord(),
aEntries[i]->getDictionaryWord() ) > 0)
{
bRes = false;
break;
}
}
return bRes;
}
bool DictionaryNeo::addEntry_Impl(const uno::Reference< XDictionaryEntry >& xDicEntry,
bool bIsLoadEntries)
{
MutexGuard aGuard( GetLinguMutex() );
bool bRes = false;
if ( bIsLoadEntries || (!bIsReadonly && xDicEntry.is()) )
{
bool bIsNegEntry = xDicEntry->isNegative();
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;
if (bAddEntry)
{
const bool bFound = seekEntry( xDicEntry->getDictionaryWord(), &nPos );
if (bFound)
bAddEntry = false;
}
if (bAddEntry)
{
DBG_ASSERT(!bNeedEntries, "lng : entries still not loaded");
// insert new entry at specified position
aEntries.insert(aEntries.begin() + nPos, xDicEntry);
SAL_WARN_IF(!isSorted(), "linguistic", "dictionary entries unsorted");
bIsModified = true;
bRes = true;
if (!bIsLoadEntries)
launchEvent( DictionaryEventFlags::ADD_ENTRY, xDicEntry );
}
}
// add word to the Hunspell dictionary using a sample word for affixation/compounding
if (xDicEntry.is() && !xDicEntry->isNegative() && !xDicEntry->getReplacementText().isEmpty()) {
uno::Reference< XLinguServiceManager2 > xLngSvcMgr( GetLngSvcMgr_Impl() );
uno::Reference< XSpellChecker1 > xSpell;
Reference< XSpellAlternatives > xTmpRes;
xSpell.set( xLngSvcMgr->getSpellChecker(), UNO_QUERY );
Sequence< css::beans::PropertyValue > aEmptySeq;
if (xSpell.is() && (xSpell->isValid( SPELLML_SUPPORT, static_cast<sal_uInt16>(nLanguage), aEmptySeq )))
{
// "Grammar By" sample word is a Hunspell dictionary word?
if (xSpell->isValid( xDicEntry->getReplacementText(), static_cast<sal_uInt16>(nLanguage), aEmptySeq ))
{
xTmpRes = xSpell->spell( "<?xml?><query type='add'><word>" +
xDicEntry->getDictionaryWord() + "</word><word>" + xDicEntry->getReplacementText() +
"</word></query>", static_cast<sal_uInt16>(nLanguage), aEmptySeq );
bRes = true;
} else
bRes = false;
}
}
return bRes;
}
OUString SAL_CALL DictionaryNeo::getName( )
{
MutexGuard aGuard( GetLinguMutex() );
return aDicName;
}
void SAL_CALL DictionaryNeo::setName( const OUString& aName )
{
MutexGuard aGuard( GetLinguMutex() );
if (aDicName != aName)
{
aDicName = aName;
launchEvent(DictionaryEventFlags::CHG_NAME, nullptr);
}
}
DictionaryType SAL_CALL DictionaryNeo::getDictionaryType( )
{
MutexGuard aGuard( GetLinguMutex() );
return eDicType;
}
void SAL_CALL DictionaryNeo::setActive( sal_Bool bActivate )
{
MutexGuard aGuard( GetLinguMutex() );
if (bIsActive == bool(bActivate))
return;
bIsActive = bActivate;
sal_Int16 nEvent = bIsActive ?
DictionaryEventFlags::ACTIVATE_DIC : DictionaryEventFlags::DEACTIVATE_DIC;
// remove entries from memory if dictionary is deactivated
if (!bIsActive)
{
bool bIsEmpty = aEntries.empty();
// save entries first if necessary
if (bIsModified && hasLocation() && !isReadonly())
{
store();
aEntries.clear();
bNeedEntries = !bIsEmpty;
}
DBG_ASSERT( !bIsModified || !hasLocation() || isReadonly(),
"lng : dictionary is still modified" );
}
launchEvent(nEvent, nullptr);
}
sal_Bool SAL_CALL DictionaryNeo::isActive( )
{
MutexGuard aGuard( GetLinguMutex() );
return bIsActive;
}
sal_Int32 SAL_CALL DictionaryNeo::getCount( )
{
MutexGuard aGuard( GetLinguMutex() );
if (bNeedEntries)
loadEntries( aMainURL );
return static_cast<sal_Int32>(aEntries.size());
}
Locale SAL_CALL DictionaryNeo::getLocale( )
{
MutexGuard aGuard( GetLinguMutex() );
return LanguageTag::convertToLocale( nLanguage );
}
void SAL_CALL DictionaryNeo::setLocale( const Locale& aLocale )
{
MutexGuard aGuard( GetLinguMutex() );
LanguageType nLanguageP = LinguLocaleToLanguage( aLocale );
if (!bIsReadonly && nLanguage != nLanguageP)
{
nLanguage = nLanguageP;
bIsModified = true; // new language needs to be saved with dictionary
launchEvent( DictionaryEventFlags::CHG_LANGUAGE, nullptr );
}
}
uno::Reference< XDictionaryEntry > SAL_CALL DictionaryNeo::getEntry(
const OUString& aWord )
{
MutexGuard aGuard( GetLinguMutex() );
if (bNeedEntries)
loadEntries( aMainURL );
sal_Int32 nPos;
bool bFound = seekEntry( aWord, &nPos, true );
DBG_ASSERT(!bFound || nPos < static_cast<sal_Int32>(aEntries.size()), "lng : index out of range");
return bFound ? aEntries[ nPos ]
: uno::Reference< XDictionaryEntry >();
}
sal_Bool SAL_CALL DictionaryNeo::addEntry(
const uno::Reference< XDictionaryEntry >& xDicEntry )
{
MutexGuard aGuard( GetLinguMutex() );
bool bRes = 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 )
{
MutexGuard aGuard( GetLinguMutex() );
bool bRes = false;
if (!bIsReadonly)
{
uno::Reference< XDictionaryEntry > xEntry =
new DicEntry( rWord, bIsNegative, rRplcText );
bRes = addEntry_Impl( xEntry );
}
return bRes;
}
sal_Bool SAL_CALL DictionaryNeo::remove( const OUString& aWord )
{
MutexGuard aGuard( GetLinguMutex() );
bool bRemoved = false;
if (!bIsReadonly)
{
if (bNeedEntries)
loadEntries( aMainURL );
sal_Int32 nPos;
bool bFound = seekEntry( aWord, &nPos );
DBG_ASSERT(!bFound || nPos < static_cast<sal_Int32>(aEntries.size()), "lng : index out of range");
// remove element if found
if (bFound)
{
// entry to be removed
uno::Reference< XDictionaryEntry >
xDicEntry( aEntries[ nPos ] );
DBG_ASSERT(xDicEntry.is(), "lng : dictionary entry is NULL");
aEntries.erase(aEntries.begin() + nPos);
bRemoved = bIsModified = true;
launchEvent( DictionaryEventFlags::DEL_ENTRY, xDicEntry );
}
}
return bRemoved;
}
sal_Bool SAL_CALL DictionaryNeo::isFull( )
{
MutexGuard aGuard( GetLinguMutex() );
if (bNeedEntries)
loadEntries( aMainURL );
return aEntries.size() >= DIC_MAX_ENTRIES;
}
uno::Sequence< uno::Reference< XDictionaryEntry > >
SAL_CALL DictionaryNeo::getEntries( )
{
MutexGuard aGuard( GetLinguMutex() );
if (bNeedEntries)
loadEntries( aMainURL );
return comphelper::containerToSequence(aEntries);
}
void SAL_CALL DictionaryNeo::clear( )
{
MutexGuard aGuard( GetLinguMutex() );
if (!bIsReadonly && !aEntries.empty())
{
// release all references to old entries
aEntries.clear();
bNeedEntries = false;
bIsModified = true;
launchEvent( DictionaryEventFlags::ENTRIES_CLEARED , nullptr );
}
}
sal_Bool SAL_CALL DictionaryNeo::addDictionaryEventListener(
const uno::Reference< XDictionaryEventListener >& xListener )
{
MutexGuard aGuard( GetLinguMutex() );
bool bRes = 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 )
{
MutexGuard aGuard( GetLinguMutex() );
bool bRes = false;
if (xListener.is())
{
sal_Int32 nLen = aDicEvtListeners.getLength();
bRes = aDicEvtListeners.removeInterface( xListener ) != nLen;
}
return bRes;
}
sal_Bool SAL_CALL DictionaryNeo::hasLocation()
{
MutexGuard aGuard( GetLinguMutex() );
return !aMainURL.isEmpty();
}
OUString SAL_CALL DictionaryNeo::getLocation()
{
MutexGuard aGuard( GetLinguMutex() );
return aMainURL;
}
sal_Bool SAL_CALL DictionaryNeo::isReadonly()
{
MutexGuard aGuard( GetLinguMutex() );
return bIsReadonly;
}
void SAL_CALL DictionaryNeo::store()
{
MutexGuard aGuard( GetLinguMutex() );
if (bIsModified && hasLocation() && !isReadonly())
{
if (!saveEntries( aMainURL ))
bIsModified = false;
}
}
void SAL_CALL DictionaryNeo::storeAsURL(
const OUString& aURL,
const uno::Sequence< beans::PropertyValue >& /*rArgs*/ )
{
MutexGuard aGuard( GetLinguMutex() );
if (!saveEntries( aURL ))
{
aMainURL = aURL;
bIsModified = false;
bIsReadonly = IsReadOnly( getLocation() );
}
}
void SAL_CALL DictionaryNeo::storeToURL(
const OUString& aURL,
const uno::Sequence< beans::PropertyValue >& /*rArgs*/ )
{
MutexGuard aGuard( GetLinguMutex() );
saveEntries(aURL);
}
DicEntry::DicEntry(const OUString &rDicFileWord,
bool bIsNegativWord)
{
if (!rDicFileWord.isEmpty())
splitDicFileWord( rDicFileWord, aDicWord, aReplacement );
bIsNegativ = bIsNegativWord;
}
DicEntry::DicEntry(const OUString &rDicWord, 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() );
sal_Int32 nDelimPos = rDicFileWord.indexOf( "==" );
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.clear();
}
}
OUString SAL_CALL DicEntry::getDictionaryWord( )
{
MutexGuard aGuard( GetLinguMutex() );
return aDicWord;
}
sal_Bool SAL_CALL DicEntry::isNegative( )
{
MutexGuard aGuard( GetLinguMutex() );
return bIsNegativ;
}
OUString SAL_CALL DicEntry::getReplacementText( )
{
MutexGuard aGuard( GetLinguMutex() );
return aReplacement;
}
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