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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: tkpchars.cxx,v $
*
* $Revision: 1.7 $
*
* last change: $Author: obo $ $Date: 2006-09-16 17:17:55 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_autodoc.hxx"
#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();
}
void
CharacterSource::LoadText( const char * i_sSourceText )
{
if (dpSource != 0)
delete dpSource;
nSourceSize = strlen(i_sSourceText);
dpSource = new char[nSourceSize+1];
strcpy( dpSource, i_sSourceText); // SAFE STRCPY (#100211# - checked)
BeginSource();
}
/// KORR: 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: 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_)
{
}
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