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*
* 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
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_unotools.hxx"
#include <i18npool/mslangid.hxx>
#include <tools/debug.hxx>
#ifndef _INTN_HXX //autogen
//#include <tools/intn.hxx>
#endif
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#ifndef _COM_SUN_STAR_UTIL_SEARCHFLAGS_HDL_
#include <com/sun/star/util/SearchFlags.hdl>
#endif
#include <com/sun/star/i18n/TransliterationModules.hpp>
#include <unotools/charclass.hxx>
#include <comphelper/processfactory.hxx>
#include <unotools/textsearch.hxx>
#include <rtl/instance.hxx>
using namespace ::com::sun::star::util;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
// ............................................................................
namespace utl
{
// ............................................................................
SearchParam::SearchParam( const String &rText,
SearchType eType,
sal_Bool bCaseSensitive,
sal_Bool bWrdOnly,
sal_Bool bSearchInSel )
{
sSrchStr = rText;
eSrchType = eType;
bWordOnly = bWrdOnly;
bSrchInSel = bSearchInSel;
bCaseSense = bCaseSensitive;
nTransliterationFlags = 0;
// Werte fuer "Gewichtete Levenshtein-Distanz"
bLEV_Relaxed = sal_True;
nLEV_OtherX = 2;
nLEV_ShorterY = 1;
nLEV_LongerZ = 3;
}
SearchParam::SearchParam( const SearchParam& rParam )
{
sSrchStr = rParam.sSrchStr;
sReplaceStr = rParam.sReplaceStr;
eSrchType = rParam.eSrchType;
bWordOnly = rParam.bWordOnly;
bSrchInSel = rParam.bSrchInSel;
bCaseSense = rParam.bCaseSense;
bLEV_Relaxed = rParam.bLEV_Relaxed;
nLEV_OtherX = rParam.nLEV_OtherX;
nLEV_ShorterY = rParam.nLEV_ShorterY;
nLEV_LongerZ = rParam.nLEV_LongerZ;
nTransliterationFlags = rParam.nTransliterationFlags;
}
static bool lcl_Equals( const SearchOptions& rSO1, const SearchOptions& rSO2 )
{
return rSO1.algorithmType == rSO2.algorithmType &&
rSO1.searchFlag == rSO2.searchFlag &&
rSO1.searchString.equals(rSO2.searchString) &&
rSO1.replaceString.equals(rSO2.replaceString) &&
rSO1.changedChars == rSO2.changedChars &&
rSO1.deletedChars == rSO2.deletedChars &&
rSO1.insertedChars == rSO2.insertedChars &&
rSO1.Locale.Language == rSO2.Locale.Language &&
rSO1.Locale.Country == rSO2.Locale.Country &&
rSO1.Locale.Variant == rSO2.Locale.Variant &&
rSO1.transliterateFlags == rSO2.transliterateFlags;
}
namespace
{
struct CachedTextSearch
{
::osl::Mutex mutex;
::com::sun::star::util::SearchOptions Options;
::com::sun::star::uno::Reference< ::com::sun::star::util::XTextSearch > xTextSearch;
};
struct theCachedTextSearch
: public rtl::Static< CachedTextSearch, theCachedTextSearch > {};
}
Reference<XTextSearch> TextSearch::getXTextSearch( const SearchOptions& rPara )
{
CachedTextSearch &rCache = theCachedTextSearch::get();
osl::MutexGuard aGuard(rCache.mutex);
if ( lcl_Equals(rCache.Options, rPara) )
return rCache.xTextSearch;
try
{
Reference< XMultiServiceFactory > xMSF = ::comphelper::getProcessServiceFactory();
rCache.xTextSearch.set( xMSF->createInstance(
::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(
"com.sun.star.util.TextSearch" ) ) ), UNO_QUERY_THROW );
rCache.xTextSearch->setOptions( rPara );
rCache.Options = rPara;
}
catch ( Exception& )
{
DBG_ERRORFILE( "TextSearch ctor: Exception caught!" );
}
return rCache.xTextSearch;
}
TextSearch::TextSearch(const SearchParam & rParam, LanguageType eLang )
{
if( LANGUAGE_NONE == eLang )
eLang = LANGUAGE_SYSTEM;
::com::sun::star::lang::Locale aLocale(
MsLangId::convertLanguageToLocale( LanguageType(eLang)));
Init( rParam, aLocale);
}
TextSearch::TextSearch(const SearchParam & rParam, const CharClass& rCClass )
{
Init( rParam, rCClass.getLocale() );
}
TextSearch::TextSearch( const SearchOptions& rPara )
{
xTextSearch = getXTextSearch( rPara );
}
void TextSearch::Init( const SearchParam & rParam,
const ::com::sun::star::lang::Locale& rLocale )
{
// convert SearchParam to the UNO SearchOptions
SearchOptions aSOpt;
switch( rParam.GetSrchType() )
{
case SearchParam::SRCH_REGEXP:
aSOpt.algorithmType = SearchAlgorithms_REGEXP;
if( rParam.IsSrchInSelection() )
aSOpt.searchFlag |= SearchFlags::REG_NOT_BEGINOFLINE |
SearchFlags::REG_NOT_ENDOFLINE;
break;
case SearchParam::SRCH_LEVDIST:
aSOpt.algorithmType = SearchAlgorithms_APPROXIMATE;
aSOpt.changedChars = rParam.GetLEVOther();
aSOpt.deletedChars = rParam.GetLEVLonger();
aSOpt.insertedChars = rParam.GetLEVShorter();
if( rParam.IsSrchRelaxed() )
aSOpt.searchFlag |= SearchFlags::LEV_RELAXED;
break;
// case SearchParam::SRCH_NORMAL:
default:
aSOpt.algorithmType = SearchAlgorithms_ABSOLUTE;
if( rParam.IsSrchWordOnly() )
aSOpt.searchFlag |= SearchFlags::NORM_WORD_ONLY;
break;
}
aSOpt.searchString = rParam.GetSrchStr();
aSOpt.replaceString = rParam.GetReplaceStr();
aSOpt.Locale = rLocale;
aSOpt.transliterateFlags = rParam.GetTransliterationFlags();
if( !rParam.IsCaseSensitive() )
{
aSOpt.searchFlag |= SearchFlags::ALL_IGNORE_CASE;
aSOpt.transliterateFlags |= ::com::sun::star::i18n::TransliterationModules_IGNORE_CASE;
}
xTextSearch = getXTextSearch( aSOpt );
}
void TextSearch::SetLocale( const ::com::sun::star::util::SearchOptions& rOptions,
const ::com::sun::star::lang::Locale& rLocale )
{
// convert SearchParam to the UNO SearchOptions
SearchOptions aSOpt( rOptions );
aSOpt.Locale = rLocale;
xTextSearch = getXTextSearch( aSOpt );
}
TextSearch::~TextSearch()
{
}
/*
* Die allgemeinen Methoden zu Suchen. Diese rufen dann die entpsrecheden
* Methoden fuer die normale Suche oder der Suche nach Regular-Expressions
* ueber die MethodenPointer auf.
*/
#if defined _MSC_VER
#pragma optimize("", off)
#pragma warning(push)
#pragma warning(disable: 4748)
#endif
int TextSearch::SearchFrwrd( const String & rStr, xub_StrLen* pStart,
xub_StrLen* pEnde, SearchResult* pRes )
{
int nRet = 0;
try
{
if( xTextSearch.is() )
{
SearchResult aRet( xTextSearch->searchForward(
rStr, *pStart, *pEnde ));
if( aRet.subRegExpressions > 0 )
{
nRet = 1;
// the XTextsearch returns in startOffset the higher position
// and the endposition is allways exclusive.
// The caller of this function will have in startPos the
// lower pos. and end
*pStart = (xub_StrLen)aRet.startOffset[ 0 ];
*pEnde = (xub_StrLen)aRet.endOffset[ 0 ];
if( pRes )
*pRes = aRet;
}
}
}
catch ( Exception& )
{
DBG_ERRORFILE( "SearchForward: Exception caught!" );
}
return nRet;
}
int TextSearch::SearchBkwrd( const String & rStr, xub_StrLen* pStart,
xub_StrLen* pEnde, SearchResult* pRes )
{
int nRet = 0;
try
{
if( xTextSearch.is() )
{
SearchResult aRet( xTextSearch->searchBackward(
rStr, *pStart, *pEnde ));
if( aRet.subRegExpressions )
{
nRet = 1;
// the XTextsearch returns in startOffset the higher position
// and the endposition is allways exclusive.
// The caller of this function will have in startPos the
// lower pos. and end
*pEnde = (xub_StrLen)aRet.startOffset[ 0 ];
*pStart = (xub_StrLen)aRet.endOffset[ 0 ];
if( pRes )
*pRes = aRet;
}
}
}
catch ( Exception& )
{
DBG_ERRORFILE( "SearchBackward: Exception caught!" );
}
return nRet;
}
void TextSearch::ReplaceBackReferences( String& rReplaceStr, const String &rStr, const SearchResult& rResult )
{
if( rResult.subRegExpressions > 0 )
{
String sTab( '\t' );
sal_Unicode sSrchChrs[] = {'\\', '&', '$', 0};
String sTmp;
xub_StrLen nPos = 0;
sal_Unicode sFndChar;
while( STRING_NOTFOUND != ( nPos = rReplaceStr.SearchChar( sSrchChrs, nPos )) )
{
if( rReplaceStr.GetChar( nPos ) == '&')
{
sal_uInt16 nStart = (sal_uInt16)(rResult.startOffset[0]);
sal_uInt16 nLength = (sal_uInt16)(rResult.endOffset[0] - rResult.startOffset[0]);
rReplaceStr.Erase( nPos, 1 ); // delete ampersand
// replace by found string
rReplaceStr.Insert( rStr, nStart, nLength, nPos );
// jump over
nPos = nPos + nLength;
}
else if( rReplaceStr.GetChar( nPos ) == '$')
{
if( nPos + 1 < rReplaceStr.Len())
{
sFndChar = rReplaceStr.GetChar( nPos + 1 );
switch(sFndChar)
{ // placeholder for a backward reference?
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
{
rReplaceStr.Erase( nPos, 2 ); // delete both
int i = sFndChar - '0'; // index
if(i < rResult.subRegExpressions)
{
sal_uInt16 nSttReg = (sal_uInt16)(rResult.startOffset[i]);
sal_uInt16 nRegLen = (sal_uInt16)(rResult.endOffset[i]);
if( nRegLen > nSttReg )
nRegLen = nRegLen - nSttReg;
else
{
nRegLen = nSttReg - nRegLen;
nSttReg = (sal_uInt16)(rResult.endOffset[i]);
}
// Copy reference from found string
sTmp = rStr.Copy((sal_uInt16)nSttReg, (sal_uInt16)nRegLen);
// insert
rReplaceStr.Insert( sTmp, nPos );
// and step over
nPos = nPos + sTmp.Len();
}
}
break;
default:
nPos += 2; // leave both chars unchanged
break;
}
}
else
++nPos;
}
else
{
// at least another character?
if( nPos + 1 < rReplaceStr.Len())
{
sFndChar = rReplaceStr.GetChar( nPos + 1 );
switch(sFndChar)
{
case '\\':
case '&':
case '$':
rReplaceStr.Erase( nPos, 1 );
nPos++;
break;
case 't':
rReplaceStr.Erase( nPos, 2 ); // delete both
rReplaceStr.Insert( sTab, nPos ); // insert tabulator
nPos++; // step over
break;
default:
nPos += 2; // ignore both characters
break;
}
}
else
++nPos;
}
}
}
}
#if defined _MSC_VER
#pragma optimize("", on)
#pragma warning(pop)
#endif
// ............................................................................
} // namespace utl
// ............................................................................