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Diffstat (limited to 'autodoc/source/tools/tkpchars.cxx')
-rw-r--r-- | autodoc/source/tools/tkpchars.cxx | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/autodoc/source/tools/tkpchars.cxx b/autodoc/source/tools/tkpchars.cxx new file mode 100644 index 000000000000..4538edf1a311 --- /dev/null +++ b/autodoc/source/tools/tkpchars.cxx @@ -0,0 +1,159 @@ +/************************************************************************* + * + * 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. + * + ************************************************************************/ + +#include <precomp.h> +#include <tools/tkpchars.hxx> + +// NOT FULLY DECLARED SERVICES +#include <cosv/bstream.hxx> +#include <cosv/x.hxx> + + + +CharacterSource::CharacterSource() + : dpSource(new char[2]), + nSourceSize(0), + nCurPos(0), + nLastCut(0), + nLastTokenStart(0), + cCharAtLastCut(0) +{ + dpSource[nSourceSize] = NULCH; + dpSource[nSourceSize+1] = NULCH; +} + +CharacterSource::~CharacterSource() +{ + delete [] dpSource; +} + +void +CharacterSource::LoadText(csv::bstream & io_rSource) +{ + if (dpSource != 0) + delete [] dpSource; + + io_rSource.seek(0, csv::end); + nSourceSize = intt(io_rSource.position()); + io_rSource.seek(0); + + dpSource = new char[nSourceSize+1]; + + intt nCount = (intt) io_rSource.read(dpSource,nSourceSize); + if (nCount != nSourceSize) + throw csv::X_Default("IO-Error: Could not load file completely."); + + dpSource[nSourceSize] = NULCH; + + BeginSource(); +} + +/// KORR_FUTURE: So far, this works only when tokens do not cross inserted text boundaries. +void +CharacterSource::InsertTextAtCurPos( const char * i_sText2Insert ) +{ + if ( i_sText2Insert == 0 ? true : strlen(i_sText2Insert) == 0 ) + return; + + aSourcesStack.push( S_SourceState( + dpSource, + nSourceSize, + nCurPos, + nLastCut, + nLastTokenStart, + cCharAtLastCut ) ); + + nSourceSize = strlen(i_sText2Insert); + dpSource = new char[nSourceSize+1]; + strcpy( dpSource, i_sText2Insert); // SAFE STRCPY (#100211# - checked) + + BeginSource(); +} + +const char * +CharacterSource::CutToken() +{ + dpSource[nLastCut] = cCharAtLastCut; + nLastTokenStart = nLastCut; + nLastCut = CurPos(); + cCharAtLastCut = dpSource[nLastCut]; + dpSource[nLastCut] = NULCH; + + return &dpSource[nLastTokenStart]; +} + +void +CharacterSource::BeginSource() +{ + nCurPos = 0; + nLastCut = 0; + nLastTokenStart = 0; + cCharAtLastCut = dpSource[nLastCut]; + dpSource[nLastCut] = NULCH; +} + +// KORR_FUTURE: So far, this works only when tokens do not cross inserted text boundaries. +char +CharacterSource::MoveOn_OverStack() +{ + while ( aSourcesStack.size() > 0 AND nCurPos >= nSourceSize-1 ) + { + S_SourceState & aState = aSourcesStack.top(); + delete [] dpSource; + + dpSource = aState.dpSource; + nSourceSize = aState.nSourceSize; + nCurPos = aState.nCurPos; + nLastCut = aState.nLastCut; + nLastTokenStart = aState.nLastTokenStart; + cCharAtLastCut = aState.cCharAtLastCut; + + aSourcesStack.pop(); + } + + if ( nLastCut < nCurPos ) + CutToken(); + + return CurChar(); +} + +CharacterSource:: +S_SourceState::S_SourceState( DYN char * dpSource_, + intt nSourceSize_, + intt nCurPos_, + intt nLastCut_, + intt nLastTokenStart_, + char cCharAtLastCut_ ) + : dpSource(dpSource_), + nSourceSize(nSourceSize_), + nCurPos(nCurPos_), + nLastCut(nLastCut_), + nLastTokenStart(nLastTokenStart_), + cCharAtLastCut(cCharAtLastCut_) +{ +} + |