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80 lines
2.3 KiB
80 lines
2.3 KiB
/***************************************************************************
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ksectionlist.cpp - description
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-------------------
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begin : Mon Jun 30 2003
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copyright : (C) 2003 by Friedrich W. H. Kossebau
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email : Friedrich.W.H@Kossebau.de
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***************************************************************************/
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/***************************************************************************
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License version 2 as published by the Free Software Foundation. *
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* *
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***************************************************************************/
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// lib specific
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#include "ksectionlist.h"
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using namespace KHE;
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KSectionList::KSectionList()
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{
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}
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KSectionList::~KSectionList()
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{
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}
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void KSectionList::addSection( KSection NewSection )
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{
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if( !NewSection.isValid() )
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return;
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// we try to insert it by ascending indizes
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// if sections are overlapping we combine them
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iterator S = begin();
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for( ; S!=end(); ++S )
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{
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// is new section before the next section?
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if( NewSection.endsBefore(*S) )
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{
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// put the new before it
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insert( S, NewSection );
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return;
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}
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// does the next section overlap?
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if( (*S).overlaps(NewSection) )
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{
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// Start of the combined sections is the smaller one
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NewSection.extendStartTo( (*S).start() );
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// next we search all the overlapping sections and keep the highest end index
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int End = (*S).end();
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iterator LS = S;
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for( ++LS; LS!=end(); ++LS )
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{
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if( !(*LS).overlaps(NewSection) )
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break;
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End = (*LS).end();
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}
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// the higher end is the end of the combined section
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NewSection.extendEndTo( End );
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// remove all overlapping sections
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S = erase( S, LS );
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// and instead insert the combined one
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insert( S, NewSection );
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return;
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}
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}
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// all others are before the new?
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if( S == end() )
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// add it at the end
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append( NewSection );
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}
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