Files
libreoffice/tools/source/memtools/multisel.cxx
2009-07-08 16:27:08 +00:00

1040 lines
29 KiB
C++

/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: multisel.cxx,v $
* $Revision: 1.6 $
*
* 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.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_tools.hxx"
#define _SV_MULTISEL_CXX
#ifdef MI_DEBUG
#define private public
#include <stdio.h>
#endif
#include <tools/debug.hxx>
#include <tools/multisel.hxx>
#ifdef MI_DEBUG
#define DBG(x) x
#else
#define DBG(x)
#endif
using namespace rtl;
//==================================================================
#ifdef MI_DEBUG
static void Print( const MultiSelection* pSel )
{
DbgOutf( "TotRange: %4ld-%4ld\n",
pSel->aTotRange.Min(), pSel->aTotRange.Max() );
if ( pSel->bCurValid )
{
DbgOutf( "CurSubSel: %4ld\n", pSel->nCurSubSel );
DbgOutf( "CurIndex: %4ld\n", pSel->nCurIndex );
}
DbgOutf( "SelCount: %4ld\n", pSel->nSelCount );
DbgOutf( "SubCount: %4ld\n", pSel->aSels.Count() );
for ( ULONG nPos = 0; nPos < pSel->aSels.Count(); ++nPos )
{
DbgOutf( "SubSel #%2ld: %4ld-%4ld\n", nPos,
pSel->aSels.GetObject(nPos)->Min(),
pSel->aSels.GetObject(nPos)->Max() );
}
DbgOutf( "\n" );
fclose( pFile );
}
#endif
// -----------------------------------------------------------------------
void MultiSelection::ImplClear()
{
// no selected indexes
nSelCount = 0;
Range* pRange = aSels.First();
while ( pRange )
{
delete pRange;
pRange = aSels.Next();
}
aSels.Clear();
}
// -----------------------------------------------------------------------
ULONG MultiSelection::ImplFindSubSelection( long nIndex ) const
{
// iterate through the sub selections
ULONG n = 0;
for ( ;
n < aSels.Count() && nIndex > aSels.GetObject(n)->Max();
++n ) {} /* empty loop */
return n;
}
// -----------------------------------------------------------------------
BOOL MultiSelection::ImplMergeSubSelections( ULONG nPos1, ULONG nPos2 )
{
// didn't a sub selection at nPos2 exist?
if ( nPos2 >= aSels.Count() )
return FALSE;
// did the sub selections touch each other?
if ( (aSels.GetObject(nPos1)->Max() + 1) == aSels.GetObject(nPos2)->Min() )
{
// merge them
aSels.GetObject(nPos1)->Max() = aSels.GetObject(nPos2)->Max();
delete aSels.Remove(nPos2);
return TRUE;
}
return FALSE;
}
// -----------------------------------------------------------------------
MultiSelection::MultiSelection():
aTotRange( 0, -1 ),
nCurSubSel(0),
nSelCount(0),
bCurValid(FALSE),
bSelectNew(FALSE)
{
}
// -----------------------------------------------------------------------
MultiSelection::MultiSelection( const UniString& rString, sal_Unicode cRange, sal_Unicode cSep ):
aTotRange(0,RANGE_MAX),
nCurSubSel(0),
nSelCount(0),
bCurValid(FALSE),
bSelectNew(FALSE)
{
// Dies ist nur ein Schnellschuss und sollte bald optimiert,
// an die verschiedenen Systeme (UNIX etc.)
// und die gewuenschte Eingabe-Syntax angepasst werden.
UniString aStr( rString );
sal_Unicode* pStr = aStr.GetBufferAccess();
sal_Unicode* pOld = pStr;
BOOL bReady = FALSE;
BOOL bUntil = FALSE;
xub_StrLen nCut = 0;
// Hier normieren wir den String, sodass nur Ziffern,
// Semikola als Trenn- und Minus als VonBis-Zeichen
// uebrigbleiben, z.B. "99-117;55;34;-17;37-43"
while ( *pOld )
{
switch( *pOld )
{
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
DBG_ASSERT( *pOld != cRange, "digit for range char not allowed" );
DBG_ASSERT( *pOld != cSep, "digit for separator not allowed" );
if( bReady )
{
*pStr++ = ';';
nCut++;
bReady = FALSE;
}
*pStr++ = *pOld;
nCut++;
bUntil = FALSE;
break;
case '-':
case ':':
case '/':
if ( *pOld != cSep )
{
if ( !bUntil )
{
*pStr++ = '-';
nCut++;
bUntil = TRUE;
}
bReady = FALSE;
}
else
bReady = TRUE;
break;
case ' ':
DBG_ASSERT( *pOld != cRange, "SPACE for range char not allowed" );
DBG_ASSERT( *pOld != cSep, "SPACE for separator not allowed" );
bReady = !bUntil;
break;
default:
if ( *pOld == cRange )
{
if ( !bUntil )
{
*pStr++ = '-';
nCut++;
bUntil = TRUE;
}
bReady = FALSE;
}
else
bReady = TRUE;
break;
}
pOld++;
}
aStr.ReleaseBufferAccess( nCut );
// Jetzt wird der normierte String ausgewertet ..
UniString aNumStr;
Range aRg( 1, RANGE_MAX );
const sal_Unicode* pCStr = aStr.GetBuffer();
long nPage = 1;
long nNum = 1;
bUntil = FALSE;
while ( *pCStr )
{
switch ( *pCStr )
{
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
aNumStr += *pCStr;
break;
case ';':
nNum = aNumStr.ToInt32();
if ( bUntil )
{
if ( !aNumStr.Len() )
nNum = RANGE_MAX;
aRg.Min() = nPage;
aRg.Max() = nNum;
aRg.Justify();
Select( aRg );
}
else
Select( nNum );
nPage = 0;
aNumStr.Erase();
bUntil = FALSE;
break;
case '-':
nPage = aNumStr.ToInt32();
aNumStr.Erase();
bUntil = TRUE;
break;
}
pCStr++;
}
nNum = aNumStr.ToInt32();
if ( bUntil )
{
if ( !aNumStr.Len() )
nNum = RANGE_MAX;
aRg.Min() = nPage;
aRg.Max() = nNum;
aRg.Justify();
Select( aRg );
}
else
Select( nNum );
}
// -----------------------------------------------------------------------
MultiSelection::MultiSelection( const MultiSelection& rOrig ) :
aTotRange(rOrig.aTotRange),
nSelCount(rOrig.nSelCount),
bCurValid(rOrig.bCurValid),
bSelectNew(FALSE)
{
if ( bCurValid )
{
nCurSubSel = rOrig.nCurSubSel;
nCurIndex = rOrig.nCurIndex;
}
// copy the sub selections
for ( ULONG n = 0; n < rOrig.aSels.Count(); ++n )
aSels.Insert( new Range( *rOrig.aSels.GetObject(n) ), LIST_APPEND );
}
// -----------------------------------------------------------------------
MultiSelection::MultiSelection( const Range& rRange ):
aTotRange(rRange),
nCurSubSel(0),
nSelCount(0),
bCurValid(FALSE),
bSelectNew(FALSE)
{
}
// -----------------------------------------------------------------------
MultiSelection::~MultiSelection()
{
Range* pRange = aSels.First();
while ( pRange )
{
delete pRange;
pRange = aSels.Next();
}
}
// -----------------------------------------------------------------------
MultiSelection& MultiSelection::operator= ( const MultiSelection& rOrig )
{
aTotRange = rOrig.aTotRange;
bCurValid = rOrig.bCurValid;
if ( bCurValid )
{
nCurSubSel = rOrig.nCurSubSel;
nCurIndex = rOrig.nCurIndex;
}
// clear the old and copy the sub selections
ImplClear();
for ( ULONG n = 0; n < rOrig.aSels.Count(); ++n )
aSels.Insert( new Range( *rOrig.aSels.GetObject(n) ), LIST_APPEND );
nSelCount = rOrig.nSelCount;
return *this;
}
// -----------------------------------------------------------------------
BOOL MultiSelection::operator== ( MultiSelection& rWith )
{
if ( aTotRange != rWith.aTotRange || nSelCount != rWith.nSelCount ||
aSels.Count() != rWith.aSels.Count() )
return FALSE;
// compare the sub seletions
for ( ULONG n = 0; n < aSels.Count(); ++n )
if ( *aSels.GetObject(n) != *rWith.aSels.GetObject(n) )
return FALSE;
return TRUE;
}
// -----------------------------------------------------------------------
void MultiSelection::SelectAll( BOOL bSelect )
{
DBG(DbgOutf( "::SelectAll(%s)\n", bSelect ? "TRUE" : "FALSE" ));
ImplClear();
if ( bSelect )
{
aSels.Insert( new Range(aTotRange), LIST_APPEND );
nSelCount = aTotRange.Len();
}
DBG(Print( this ));
}
// -----------------------------------------------------------------------
BOOL MultiSelection::Select( long nIndex, BOOL bSelect )
{
DBG_ASSERT( aTotRange.IsInside(nIndex), "selected index out of range" );
// out of range?
if ( !aTotRange.IsInside(nIndex) )
return FALSE;
// find the virtual target position
ULONG nSubSelPos = ImplFindSubSelection( nIndex );
if ( bSelect )
{
// is it included in the found sub selection?
if ( nSubSelPos < aSels.Count() &&
aSels.GetObject(nSubSelPos)->IsInside( nIndex ) )
// already selected, nothing to do
return FALSE;
// it will become selected
++nSelCount;
// is it at the end of the previous sub selection
if ( nSubSelPos > 0 &&
aSels.GetObject(nSubSelPos-1)->Max() == (nIndex-1) )
{
// expand the previous sub selection
aSels.GetObject(nSubSelPos-1)->Max() = nIndex;
// try to merge the previous sub selection
ImplMergeSubSelections( nSubSelPos-1, nSubSelPos );
}
// is is at the beginning of the found sub selection
else if ( nSubSelPos < aSels.Count() &&
aSels.GetObject(nSubSelPos)->Min() == (nIndex+1) )
// expand the found sub selection
aSels.GetObject(nSubSelPos)->Min() = nIndex;
else
{
// create a new sub selection
aSels.Insert( new Range( nIndex, nIndex ), nSubSelPos );
if ( bCurValid && nCurSubSel >= nSubSelPos )
++nCurSubSel;
}
}
else
{
// is it excluded from the found sub selection?
if ( nSubSelPos >= aSels.Count() ||
!aSels.GetObject(nSubSelPos)->IsInside( nIndex ) )
{
// not selected, nothing to do
DBG(Print( this ));
return FALSE;
}
// it will become deselected
--nSelCount;
// is it the only index in the found sub selection?
if ( aSels.GetObject(nSubSelPos)->Len() == 1 )
{
// remove the complete sub selection
delete aSels.Remove( nSubSelPos );
DBG(Print( this ));
return TRUE;
}
// is it at the beginning of the found sub selection?
if ( aSels.GetObject(nSubSelPos)->Min() == nIndex )
++aSels.GetObject(nSubSelPos)->Min();
// is it at the end of the found sub selection?
else if ( aSels.GetObject(nSubSelPos)->Max() == nIndex )
--aSels.GetObject(nSubSelPos)->Max();
// it is in the middle of the found sub selection?
else
{
// split the sub selection
aSels.Insert(
new Range( aSels.GetObject(nSubSelPos)->Min(), nIndex-1 ),
nSubSelPos );
aSels.GetObject(nSubSelPos+1)->Min() = nIndex + 1;
}
}
DBG(Print( this ));
return TRUE;
}
// -----------------------------------------------------------------------
void MultiSelection::Select( const Range& rIndexRange, BOOL bSelect )
{
Range* pRange;
long nOld;
ULONG nTmpMin = rIndexRange.Min();
ULONG nTmpMax = rIndexRange.Max();
ULONG nCurMin = FirstSelected();
ULONG nCurMax = LastSelected();
DBG_ASSERT(aTotRange.IsInside(nTmpMax), "selected index out of range" );
DBG_ASSERT(aTotRange.IsInside(nTmpMin), "selected index out of range" );
// gesamte Selektion ersetzen ?
if( nTmpMin <= nCurMin && nTmpMax >= nCurMax )
{
ImplClear();
if ( bSelect )
{
aSels.Insert( new Range(rIndexRange), LIST_APPEND );
nSelCount = rIndexRange.Len();
}
return;
}
// links erweitern ?
if( nTmpMax < nCurMin )
{
if( bSelect )
{
// ersten Range erweitern ?
if( nCurMin > (nTmpMax+1) )
{
pRange = new Range( rIndexRange );
aSels.Insert( pRange, (ULONG)0 );
nSelCount += pRange->Len();
}
else
{
pRange = aSels.First();
nOld = pRange->Min();
pRange->Min() = (long)nTmpMin;
nSelCount += ( nOld - nTmpMin );
}
bCurValid = FALSE;
}
return;
}
// rechts erweitern ?
else if( nTmpMin > nCurMax )
{
if( bSelect )
{
// letzten Range erweitern ?
if( nTmpMin > (nCurMax+1) )
{
pRange = new Range( rIndexRange );
aSels.Insert( pRange, LIST_APPEND );
nSelCount += pRange->Len();
}
else
{
pRange = aSels.Last();
nOld = pRange->Max();
pRange->Max() = (long)nTmpMax;
nSelCount += ( nTmpMax - nOld );
}
bCurValid = FALSE;
}
return;
}
//HACK(Hier muss noch optimiert werden)
while( nTmpMin <= nTmpMax )
{
Select( nTmpMin, bSelect );
nTmpMin++;
}
}
// -----------------------------------------------------------------------
BOOL MultiSelection::IsSelected( long nIndex ) const
{
// find the virtual target position
ULONG nSubSelPos = ImplFindSubSelection( nIndex );
return nSubSelPos < aSels.Count() &&
aSels.GetObject(nSubSelPos)->IsInside(nIndex);
}
// -----------------------------------------------------------------------
void MultiSelection::Insert( long nIndex, long nCount )
{
DBG(DbgOutf( "::Insert(%ld, %ld)\n", nIndex, nCount ));
// find the virtual target position
ULONG nSubSelPos = ImplFindSubSelection( nIndex );
// did we need to shift the sub selections?
if ( nSubSelPos < aSels.Count() )
{
// did we insert an unselected into an existing sub selection?
if ( !bSelectNew && aSels.GetObject(nSubSelPos)->Min() != nIndex &&
aSels.GetObject(nSubSelPos)->IsInside(nIndex) )
{
// split the sub selection
aSels.Insert(
new Range( aSels.GetObject(nSubSelPos)->Min(), nIndex-1 ),
nSubSelPos );
++nSubSelPos;
aSels.GetObject(nSubSelPos)->Min() = nIndex;
}
// did we append an selected to an existing sub selection?
else if ( bSelectNew && nSubSelPos > 0 &&
aSels.GetObject(nSubSelPos)->Max() == nIndex-1 )
// expand the previous sub selection
aSels.GetObject(nSubSelPos-1)->Max() += nCount;
// did we insert an selected into an existing sub selection?
else if ( bSelectNew && aSels.GetObject(nSubSelPos)->Min() == nIndex )
{
// expand the sub selection
aSels.GetObject(nSubSelPos)->Max() += nCount;
++nSubSelPos;
}
// shift the sub selections behind the inserting position
for ( ULONG nPos = nSubSelPos; nPos < aSels.Count(); ++nPos )
{
aSels.GetObject(nPos)->Min() += nCount;
aSels.GetObject(nPos)->Max() += nCount;
}
}
bCurValid = FALSE;
aTotRange.Max() += nCount;
if ( bSelectNew )
nSelCount += nCount;
DBG(Print( this ));
}
// -----------------------------------------------------------------------
void MultiSelection::Remove( long nIndex )
{
DBG(DbgOutf( "::Remove(%ld)\n", nIndex ));
// find the virtual target position
ULONG nSubSelPos = ImplFindSubSelection( nIndex );
// did we remove from an existing sub selection?
if ( nSubSelPos < aSels.Count() &&
aSels.GetObject(nSubSelPos)->IsInside(nIndex) )
{
// does this sub selection only contain the index to be deleted
if ( aSels.GetObject(nSubSelPos)->Len() == 1 )
// completely remove the sub selection
aSels.Remove(nSubSelPos);
else
// shorten this sub selection
--( aSels.GetObject(nSubSelPos++)->Max() );
// adjust the selected counter
--nSelCount;
}
// shift the sub selections behind the removed index
for ( ULONG nPos = nSubSelPos; nPos < aSels.Count(); ++nPos )
{
--( aSels.GetObject(nPos)->Min() );
--( aSels.GetObject(nPos)->Max() );
}
bCurValid = FALSE;
aTotRange.Max() -= 1;
DBG(Print( this ));
}
// -----------------------------------------------------------------------
void MultiSelection::Append( long nCount )
{
long nPrevLast = aTotRange.Max();
aTotRange.Max() += nCount;
if ( bSelectNew )
{
nSelCount += nCount;
aSels.Insert( new Range( nPrevLast+1, nPrevLast + nCount ),
LIST_APPEND );
if ( aSels.Count() > 1 )
ImplMergeSubSelections( aSels.Count() - 2, aSels.Count() );
}
}
// -----------------------------------------------------------------------
long MultiSelection::ImplFwdUnselected()
{
if ( !bCurValid )
return SFX_ENDOFSELECTION;
if ( ( nCurSubSel < aSels.Count() ) &&
( aSels.GetObject(nCurSubSel)->Min() <= nCurIndex ) )
nCurIndex = aSels.GetObject(nCurSubSel++)->Max() + 1;
if ( nCurIndex <= aTotRange.Max() )
return nCurIndex;
else
return SFX_ENDOFSELECTION;
}
// -----------------------------------------------------------------------
long MultiSelection::ImplBwdUnselected()
{
if ( !bCurValid )
return SFX_ENDOFSELECTION;
if ( aSels.GetObject(nCurSubSel)->Max() < nCurIndex )
return nCurIndex;
nCurIndex = aSels.GetObject(nCurSubSel--)->Min() - 1;
if ( nCurIndex >= 0 )
return nCurIndex;
else
return SFX_ENDOFSELECTION;
}
// -----------------------------------------------------------------------
long MultiSelection::FirstSelected( BOOL bInverse )
{
bInverseCur = bInverse;
nCurSubSel = 0;
if ( bInverseCur )
{
bCurValid = nSelCount < ULONG(aTotRange.Len());
if ( bCurValid )
{
nCurIndex = 0;
return ImplFwdUnselected();
}
}
else
{
bCurValid = aSels.Count() > 0;
if ( bCurValid )
return nCurIndex = aSels.GetObject(0)->Min();
}
return SFX_ENDOFSELECTION;
}
// -----------------------------------------------------------------------
long MultiSelection::LastSelected()
{
nCurSubSel = aSels.Count() - 1;
bCurValid = aSels.Count() > 0;
if ( bCurValid )
return nCurIndex = aSels.GetObject(nCurSubSel)->Max();
return SFX_ENDOFSELECTION;
}
// -----------------------------------------------------------------------
long MultiSelection::NextSelected()
{
if ( !bCurValid )
return SFX_ENDOFSELECTION;
if ( bInverseCur )
{
++nCurIndex;
return ImplFwdUnselected();
}
else
{
// is the next index in the current sub selection too?
if ( nCurIndex < aSels.GetObject(nCurSubSel)->Max() )
return ++nCurIndex;
// are there further sub selections?
if ( ++nCurSubSel < aSels.Count() )
return nCurIndex = aSels.GetObject(nCurSubSel)->Min();
// we are at the end!
return SFX_ENDOFSELECTION;
}
}
// -----------------------------------------------------------------------
long MultiSelection::PrevSelected()
{
if ( !bCurValid )
return SFX_ENDOFSELECTION;
if ( bInverseCur )
{
--nCurIndex;
return ImplBwdUnselected();
}
else
{
// is the previous index in the current sub selection too?
if ( nCurIndex > aSels.GetObject(nCurSubSel)->Min() )
return --nCurIndex;
// are there previous sub selections?
if ( nCurSubSel > 0 )
{
--nCurSubSel;
return nCurIndex = aSels.GetObject(nCurSubSel)->Max();
}
// we are at the beginning!
return SFX_ENDOFSELECTION;
}
}
// -----------------------------------------------------------------------
void MultiSelection::SetTotalRange( const Range& rTotRange )
{
aTotRange = rTotRange;
// die untere Bereichsgrenze anpassen
Range* pRange = aSels.GetObject( 0 );
while( pRange )
{
if( pRange->Max() < aTotRange.Min() )
{
delete pRange;
aSels.Remove( (ULONG)0 );
}
else if( pRange->Min() < aTotRange.Min() )
{
pRange->Min() = aTotRange.Min();
break;
}
else
break;
pRange = aSels.GetObject( 0 );
}
// die obere Bereichsgrenze anpassen
ULONG nCount = aSels.Count();
while( nCount )
{
pRange = aSels.GetObject( nCount - 1 );
if( pRange->Min() > aTotRange.Max() )
{
delete pRange;
aSels.Remove( (ULONG)(nCount - 1) );
}
else if( pRange->Max() > aTotRange.Max() )
{
pRange->Max() = aTotRange.Max();
break;
}
else
break;
nCount = aSels.Count();
}
// Selection-Count neu berechnen
nSelCount = 0;
pRange = aSels.First();
while( pRange )
{
nSelCount += pRange->Len();
pRange = aSels.Next();
}
bCurValid = FALSE;
nCurIndex = 0;
}
// -----------------------------------------------------------------------
//
// StringRangeEnumerator
//
// -----------------------------------------------------------------------
static bool lcl_getSingleValue(
const OUString &rText,
sal_Int32 &rVal,
sal_Int32 nLogicalOffset,
sal_Int32 nMinNumber,
sal_Int32 nMaxNumber
)
{
bool bRes = false;
const sal_Int32 nLen = rText.getLength();
if (nLen > 0)
{
// verify that text consists of decimal number 0..9 only
bool bValidText = true;
const sal_Unicode *pText = rText.getStr();
for (sal_Int32 i = 0; i < nLen && bValidText; ++i)
{
const sal_Unicode cChar = pText[i];
if (cChar < '0' || cChar > '9')
bValidText = false;
}
// get integer value if text is valid
if (bValidText)
{
sal_Int32 nTmpVal = rText.toInt32();
nTmpVal += nLogicalOffset;
if( nTmpVal >= 0 &&
(nMinNumber < 0 || nTmpVal >= nMinNumber) &&
(nMaxNumber < 0 || nTmpVal <= nMaxNumber)
)
{
bRes = true;
rVal = nTmpVal;
}
}
}
return bRes;
}
static bool lcl_getSubRangeBounds(
const OUString &rSubRange,
sal_Int32 &rFirst,
sal_Int32 &rLast,
sal_Int32 nLogicalOffset,
sal_Int32 nMinNumber,
sal_Int32 nMaxNumber
)
{
bool bRes = false;
// check for page range...
sal_Int32 nPos = rSubRange.indexOf( (sal_Unicode)'-' );
if (nPos > 0)
{
// page range found...
nPos = 0;
const OUString aFirstPage( rSubRange.getToken( 0, '-', nPos ) );
const OUString aLastPage( rSubRange.getToken( 0, '-', nPos ) );
sal_Int32 nTmpFirst = -1;
sal_Int32 nTmpLast = -1;
if( aFirstPage.getLength() == 0 && nMinNumber >= 0 )
nTmpFirst = nMinNumber;
else
lcl_getSingleValue( aFirstPage, nTmpFirst, nLogicalOffset, nMinNumber, nMaxNumber );
if( aLastPage.getLength() == 0 && nMaxNumber >= 0 )
nTmpLast = nMaxNumber;
else
lcl_getSingleValue( aLastPage, nTmpLast, nLogicalOffset, nMinNumber, nMaxNumber );
if( nTmpFirst != -1 && nTmpLast != -1 )
{
rFirst = nTmpFirst;
rLast = nTmpLast;
bRes = true;
}
}
else
{
// single page value...
sal_Int32 nVal = -1;
if (lcl_getSingleValue( rSubRange, nVal, nLogicalOffset, nMinNumber, nMaxNumber ))
{
rFirst = rLast = nVal;
bRes = true;
}
}
return bRes;
}
bool StringRangeEnumerator::getRangesFromString( const OUString& i_rPageRange,
std::vector< sal_Int32 >& o_rPageVector,
sal_Int32 i_nMinNumber,
sal_Int32 i_nMaxNumber,
sal_Int32 i_nLogicalOffset
)
{
bool bRes = false;
// - strip leading and trailing whitespaces
// - unify token delimeters to ';'
// - remove duplicate delimiters
OUString aRange( i_rPageRange.trim() );
aRange = aRange.replace( (sal_Unicode)' ', (sal_Unicode)';' );
aRange = aRange.replace( (sal_Unicode)',', (sal_Unicode)';' );
sal_Int32 nPos = -1;
rtl::OUString aDoubleSemi( RTL_CONSTASCII_USTRINGPARAM(";;") );
rtl::OUString aSingleSemi( RTL_CONSTASCII_USTRINGPARAM(";;") );
while ((nPos = aRange.indexOf( aDoubleSemi )) >= 0)
aRange = aRange.replaceAt( nPos, 2, aSingleSemi );
if (aRange.getLength() > 0)
{
std::vector< sal_Int32 > aTmpVector;
// iterate over all sub ranges and add the respective pages to the
// vector while preserving the page order
bool bFailed = false;
nPos = 0;
do
{
const OUString aSubRange = aRange.getToken( 0, ';', nPos );
sal_Int32 nFirst = -1, nLast = -1;
if (lcl_getSubRangeBounds( aSubRange, nFirst, nLast, i_nLogicalOffset, i_nMinNumber, i_nMaxNumber )
&& nFirst >= 0 && nLast >= 0)
{
// add pages of sub range to vector
if (nFirst == nLast)
aTmpVector.push_back( nFirst );
else if (nFirst < nLast)
{
for (sal_Int32 i = nFirst; i <= nLast; ++i)
aTmpVector.push_back( i );
}
else if (nFirst > nLast)
{
for (sal_Int32 i = nFirst; i >= nLast; --i)
aTmpVector.push_back( i );
}
else
OSL_ENSURE( 0, "unexpected case" );
}
else
bFailed = true;
}
while (!bFailed && 0 <= nPos && nPos < aRange.getLength());
if (!bFailed)
{
o_rPageVector = aTmpVector;
bRes = true;
}
}
else
{
// empty string ...
o_rPageVector.clear();
bRes = true;
}
return bRes;
}