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-rw-r--r--khexedit/lib/ksectionlist.cpp79
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diff --git a/khexedit/lib/ksectionlist.cpp b/khexedit/lib/ksectionlist.cpp
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+/***************************************************************************
+ ksectionlist.cpp - description
+ -------------------
+ begin : Mon Jun 30 2003
+ copyright : (C) 2003 by Friedrich W. H. Kossebau
+ email : Friedrich.W.H@Kossebau.de
+ ***************************************************************************/
+
+/***************************************************************************
+ * *
+ * This library is free software; you can redistribute it and/or *
+ * modify it under the terms of the GNU Library General Public *
+ * License version 2 as published by the Free Software Foundation. *
+ * *
+ ***************************************************************************/
+
+
+// lib specific
+#include "ksectionlist.h"
+
+using namespace KHE;
+
+KSectionList::KSectionList()
+{
+}
+
+
+KSectionList::~KSectionList()
+{
+}
+
+
+void KSectionList::addSection( KSection NewSection )
+{
+ if( !NewSection.isValid() )
+ return;
+
+ // we try to insert it by ascending indizes
+ // if sections are overlapping we combine them
+ iterator S = begin();
+ for( ; S!=end(); ++S )
+ {
+ // is new section before the next section?
+ if( NewSection.endsBefore(*S) )
+ {
+ // put the new before it
+ insert( S, NewSection );
+ return;
+ }
+
+ // does the next section overlap?
+ if( (*S).overlaps(NewSection) )
+ {
+ // Start of the combined sections is the smaller one
+ NewSection.extendStartTo( (*S).start() );
+ // next we search all the overlapping sections and keep the highest end index
+ int End = (*S).end();
+ iterator LS = S;
+ for( ++LS; LS!=end(); ++LS )
+ {
+ if( !(*LS).overlaps(NewSection) )
+ break;
+ End = (*LS).end();
+ }
+ // the higher end is the end of the combined section
+ NewSection.extendEndTo( End );
+ // remove all overlapping sections
+ S = erase( S, LS );
+ // and instead insert the combined one
+ insert( S, NewSection );
+ return;
+ }
+ }
+
+ // all others are before the new?
+ if( S == end() )
+ // add it at the end
+ append( NewSection );
+}