// This file is a part of the Framsticks GDK.
// Copyright (C) 1999-2014  Maciej Komosinski and Szymon Ulatowski.  See LICENSE.txt for details.
// Refer to http://www.framsticks.com/ for further information.

#ifndef _MULTIMAP_H_
#define _MULTIMAP_H_

#include "multirange.h"

class SingleMapping
{
  public:
SingleMapping(int b,const MultiRange& t):begin(b),to(t) {}
SingleMapping(int b):begin(b) {}
SingleMapping(const SingleMapping& sm):begin(sm.begin),to(sm.to) {}
int begin;
MultiRange to;
};

/** MultiMap - used for conversion mapping.
    see @ref convmap
  */
class MultiMap
{
/** list of (SingleMapping*) */
SList data;

SingleMapping* getData(int i) const {return (SingleMapping*)data(i);}
void addData(int i,SingleMapping* mapping) {data.insert(i,(void*)mapping);}
void removeData(int i) {data.remove(i);}
int findData(int x) const;
int getBegin(int i) const {return getData(i)->begin;}

// addRangeXXX return the shift for range numbers > r
int addRange(int &r,const MultiRange& mr);
// value of 'r' is adjusted according to its range number change
int addRangeBeginEnd(int &r,int begin,int end,const MultiRange& mr);

  public:
MultiMap() {}
MultiMap(const MultiMap& mm) {operator=(mm);}
~MultiMap();
void operator=(const MultiMap& mm);

void clear();
int isEmpty() const {return data.size()==0;}
int mappingCount() const {return data.size();}
SingleMapping* getMapping(int i) const {return (SingleMapping*)getData(i);}
int findMappingId(int x) const {return findData(x);}
int rangeCount() const {return isEmpty()?0:data.size()-1;}
IRange getRange(int i) const;

int getBegin() const;
int getEnd() const;

void add(const IRange& from,const IRange& to) {add(from.begin, from.end, MultiRange(to));}
void add(const IRange& from,const MultiRange& to) {add(from.begin, from.end, to);}
void add(int from1,int from2,int to1,int to2) {add(from1,from2,MultiRange(to1,to2));}
void add(int from1,int from2,const MultiRange& to);
void add(const MultiRange& from,const MultiRange& to);
void add(const MultiMap& mm);
void addCombined(const MultiMap& m1,const MultiMap& m2);
void addReversed(const MultiMap& mm);

const MultiRange& map(int x) const;
MultiRange map(int begin,int end) const;
MultiRange map(const IRange& range) const {return map(range.begin, range.end);}
MultiRange map(const MultiRange& ranges) const;

void print() const;
void print2() const;
};

#endif