1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 // MARKER(update_precomp.py): autogen include statement, do not remove 25 #include "precompiled_sw.hxx" 26 27 28 #include <hintids.hxx> 29 30 #ifndef _COM_SUN_STAR_I18N_SCRIPTTYPE_HDL_ 31 #include <com/sun/star/i18n/ScriptType.hdl> 32 #endif 33 #include <tools/string.hxx> 34 #include <editeng/langitem.hxx> 35 #include <txatritr.hxx> 36 #include <fchrfmt.hxx> 37 #include <charfmt.hxx> 38 #include <breakit.hxx> 39 #include <ndtxt.hxx> 40 #include <txatbase.hxx> 41 42 using namespace ::com::sun::star::i18n; 43 44 45 SwScriptIterator::SwScriptIterator( const String& rStr, xub_StrLen nStt, sal_Bool bFrwrd ) 46 : rText( rStr ), 47 nChgPos( rStr.Len() ), 48 nCurScript( ScriptType::WEAK ), 49 bForward( bFrwrd ) 50 { 51 if( pBreakIt->GetBreakIter().is() ) 52 { 53 if ( ! bFrwrd && nStt ) 54 --nStt; 55 56 xub_StrLen nPos = nStt; 57 nCurScript = pBreakIt->GetBreakIter()->getScriptType( rText, nPos ); 58 if( ScriptType::WEAK == nCurScript ) 59 { 60 if( nPos ) 61 { 62 nPos = (xub_StrLen)pBreakIt->GetBreakIter()->beginOfScript( 63 rText, nPos, nCurScript ); 64 if( nPos && nPos < rText.Len() ) 65 { 66 nStt = --nPos; 67 nCurScript = pBreakIt->GetBreakIter()->getScriptType( rText,nPos); 68 } 69 } 70 } 71 72 nChgPos = bForward ? 73 (xub_StrLen)pBreakIt->GetBreakIter()->endOfScript( rText, nStt, nCurScript ) : 74 (xub_StrLen)pBreakIt->GetBreakIter()->beginOfScript( rText, nStt, nCurScript ); 75 } 76 } 77 78 sal_Bool SwScriptIterator::Next() 79 { 80 sal_Bool bRet = sal_False; 81 if( pBreakIt->GetBreakIter().is() ) 82 { 83 if ( bForward && nChgPos < rText.Len() ) 84 { 85 nCurScript = pBreakIt->GetBreakIter()->getScriptType( rText, nChgPos ); 86 nChgPos = (xub_StrLen)pBreakIt->GetBreakIter()->endOfScript( 87 rText, nChgPos, nCurScript ); 88 bRet = sal_True; 89 } 90 else if ( ! bForward && nChgPos ) 91 { 92 --nChgPos; 93 nCurScript = pBreakIt->GetBreakIter()->getScriptType( rText, nChgPos ); 94 nChgPos = (xub_StrLen)pBreakIt->GetBreakIter()->beginOfScript( 95 rText, nChgPos, nCurScript ); 96 bRet = sal_True; 97 } 98 } 99 else 100 nChgPos = rText.Len(); 101 return bRet; 102 } 103 104 // -------------------------------------------------------------------- 105 106 SwTxtAttrIterator::SwTxtAttrIterator( const SwTxtNode& rTNd, sal_uInt16 nWhchId, 107 xub_StrLen nStt, 108 sal_Bool bUseGetWhichOfScript ) 109 : aSIter( rTNd.GetTxt(), nStt ), rTxtNd( rTNd ), 110 pParaItem( 0 ), nChgPos( nStt ), nAttrPos( 0 ), nWhichId( nWhchId ), 111 bIsUseGetWhichOfScript( bUseGetWhichOfScript ) 112 { 113 SearchNextChg(); 114 } 115 116 sal_Bool SwTxtAttrIterator::Next() 117 { 118 sal_Bool bRet = sal_False; 119 if( nChgPos < aSIter.GetText().Len() ) 120 { 121 bRet = sal_True; 122 if( aStack.Count() ) 123 { 124 do { 125 const SwTxtAttr* pHt = (SwTxtAttr*)aStack[ 0 ]; 126 sal_uInt16 nEndPos = *pHt->GetEnd(); 127 if( nChgPos >= nEndPos ) 128 aStack.Remove( 0 ); 129 else 130 break; 131 } while( aStack.Count() ); 132 } 133 134 if( aStack.Count() ) 135 { 136 sal_uInt16 nSavePos = nAttrPos; 137 SearchNextChg(); 138 if( aStack.Count() ) 139 { 140 const SwTxtAttr* pHt = (SwTxtAttr*)aStack[ 0 ]; 141 sal_uInt16 nEndPos = *pHt->GetEnd(); 142 if( nChgPos >= nEndPos ) 143 { 144 nChgPos = nEndPos; 145 nAttrPos = nSavePos; 146 147 if( RES_TXTATR_CHARFMT == pHt->Which() ) 148 { 149 sal_uInt16 nWId = bIsUseGetWhichOfScript ? 150 GetWhichOfScript( nWhichId, 151 aSIter.GetCurrScript() ) : nWhichId; 152 pCurItem = &pHt->GetCharFmt().GetCharFmt()->GetFmtAttr(nWId); 153 } 154 else 155 pCurItem = &pHt->GetAttr(); 156 157 aStack.Remove( 0 ); 158 } 159 } 160 } 161 else 162 SearchNextChg(); 163 } 164 return bRet; 165 } 166 167 void SwTxtAttrIterator::AddToStack( const SwTxtAttr& rAttr ) 168 { 169 void* pAdd = (void*)&rAttr; 170 sal_uInt16 nIns = 0, nEndPos = *rAttr.GetEnd(); 171 for( ; nIns < aStack.Count(); ++nIns ) 172 if( *((SwTxtAttr*)aStack[ nIns ] )->GetEnd() > nEndPos ) 173 break; 174 175 aStack.Insert( pAdd, nIns ); 176 } 177 178 void SwTxtAttrIterator::SearchNextChg() 179 { 180 sal_uInt16 nWh = 0; 181 if( nChgPos == aSIter.GetScriptChgPos() ) 182 { 183 aSIter.Next(); 184 pParaItem = 0; 185 nAttrPos = 0; // must be restart at the beginning, because 186 // some attributes can start before or inside 187 // the current scripttype! 188 aStack.Remove( 0, aStack.Count() ); 189 } 190 if( !pParaItem ) 191 { 192 nWh = bIsUseGetWhichOfScript ? 193 GetWhichOfScript( nWhichId, 194 aSIter.GetCurrScript() ) : nWhichId; 195 pParaItem = &rTxtNd.GetSwAttrSet().Get( nWh ); 196 } 197 198 xub_StrLen nStt = nChgPos; 199 nChgPos = aSIter.GetScriptChgPos(); 200 pCurItem = pParaItem; 201 202 const SwpHints* pHts = rTxtNd.GetpSwpHints(); 203 if( pHts ) 204 { 205 if( !nWh ) 206 { 207 nWh = bIsUseGetWhichOfScript ? 208 GetWhichOfScript( nWhichId, 209 aSIter.GetCurrScript() ) : nWhichId; 210 } 211 212 const SfxPoolItem* pItem = 0; 213 for( ; nAttrPos < pHts->Count(); ++nAttrPos ) 214 { 215 const SwTxtAttr* pHt = (*pHts)[ nAttrPos ]; 216 const sal_uInt16* pEnd = pHt->GetEnd(); 217 const sal_uInt16 nHtStt = *pHt->GetStart(); 218 if( nHtStt < nStt && ( !pEnd || *pEnd <= nStt )) 219 continue; 220 221 if( nHtStt >= nChgPos ) 222 break; 223 224 pItem = CharFmt::GetItem( *pHt, nWh ); 225 if ( pItem ) 226 { 227 if( nHtStt > nStt ) 228 { 229 if( nChgPos > nHtStt ) 230 nChgPos = nHtStt; 231 break; 232 } 233 AddToStack( *pHt ); 234 pCurItem = pItem; 235 if( *pEnd < nChgPos ) 236 nChgPos = *pEnd; 237 } 238 } 239 } 240 } 241 242 243