1 files changed, 95 insertions, 0 deletions
diff --git a/khexedit/lib/kcoordrange.h b/khexedit/lib/kcoordrange.h
new file mode 100644
index 0000000..0d5b186
--- /dev/null
+++ b/khexedit/lib/kcoordrange.h
@@ -0,0 +1,95 @@
+/***************************************************************************
+                          kcoordrange.h  -  description
+                             -------------------
+    begin                : Sun 03.08.2003
+    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.       *
+ *                                                                         *
+ ***************************************************************************/
+
+
+#ifndef KHE_KCOORDRANGE_H
+#define KHE_KCOORDRANGE_H
+
+// lib specific
+#include "krange.h"
+#include "kbuffercoord.h"
+#include "ksection.h"
+
+namespace KHE
+{
+
+template<>
+inline const KBufferCoord KRange<KBufferCoord>::null()  const { return KBufferCoord(-1,-1);}
+
+typedef KRange<KBufferCoord> KBasicCoordRange;
+
+/** describes a range in the buffercoord
+  *@author Friedrich W. H.  Kossebau
+  */
+class KCoordRange : public KRange<KBufferCoord>
+{
+  public:
+    /** 
+      * @param SC start coord
+      * @param EC end coord
+      */
+    KCoordRange( KBufferCoord SC, KBufferCoord EC );
+    /** 
+      * @param Pos start and end pos
+      * @param Lines start and end line
+      */
+    KCoordRange( KSection Pos, KSection Lines );
+    KCoordRange();
+    ~KCoordRange();
+
+  public:
+    KCoordRange &operator=( const KCoordRange &S );
+
+  public:
+    bool operator==( const KCoordRange &S ) const;
+
+  public:
+    /** calculates the number of coords that are covered if a line has the given length.
+      * If the range is invalid the behaviour is undefined.
+      * @param LineLength 
+      * @return the number of points covered if a line has a length of LineLength.
+      */
+    int width( int LineLength ) const;
+    /** calculates the number of lines that are covered by the range.
+      * If the range is invalid the behaviour is undefined.
+      * @return number of lines covered
+      */
+    int lines() const;
+    /** tests if the given line is included by the range. 
+      * If the range is invalid or the line < 0 the behaviour is undefined.      
+      * @param Line index of line
+      * @return @c true if Line is included, otherwise @c false
+      */
+    bool includesLine( int Line ) const;
+};
+
+
+inline KCoordRange::KCoordRange( KBufferCoord SC, KBufferCoord EC ) : KBasicCoordRange(SC,EC) {}
+inline KCoordRange::KCoordRange( KSection Pos, KSection Lines )
+ : KBasicCoordRange( KBufferCoord(Pos.start(),Lines.start()), KBufferCoord(Pos.end(),Lines.end()) ) {}
+inline KCoordRange::KCoordRange()  {}
+inline KCoordRange::~KCoordRange() {}
+
+inline bool KCoordRange::operator==( const KCoordRange &R ) const { return  KBasicCoordRange::operator==(R); }
+
+inline KCoordRange &KCoordRange::operator=( const KCoordRange &R ) {  KBasicCoordRange::operator=(R); return *this; }
+
+inline int KCoordRange::width( int LineLength )   const { return LineLength*(lines()-1) + End.pos() - Start.pos()+1; }
+inline int KCoordRange::lines()                   const { return End.line() - Start.line() + 1; }
+inline bool KCoordRange::includesLine( int Line ) const { return Line >= Start.line() && Line <= End.line(); }
+}
+
+#endif