# source:cpp/frams/util/multirange.h@732

Last change on this file since 732 was 286, checked in by Maciej Komosinski, 8 years ago

• Property svn:eol-style set to `native`
File size: 2.8 KB
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1// This file is a part of Framsticks SDK.  http://www.framsticks.com/
2// Copyright (C) 1999-2015  Maciej Komosinski and Szymon Ulatowski.
4
5#ifndef _MULTIRANGE_H_
6#define _MULTIRANGE_H_
7
8#include <frams/util/list.h>
9
10/**
11   range in integer domain.
12   - (a,a) contains single integer: a
13   - (a,b) contains [b-a+1] integers
14 */
15class IRange
16{
17  public:
18int begin,end;
19IRange():begin(0),end(0) {}
20IRange(int b,int e):begin(b),end(e) {}
21IRange(const IRange& r):begin(r.begin),end(r.end) {}
22int size() const {return end-begin+1;}
23int isEmpty() const {return end<begin;}
24void makeEmpty() {end=begin;}
25void set(int b,int e) {begin=b; end=e;}
26void intersect(const IRange& r);
28/** all empty ranges are equal */
29int operator==(const IRange& r);
30void operator=(const IRange& r) {begin=r.begin; end=r.end;}
31int contains(int x) {return (x>=begin)&&(x<=end);}
32int contains(const IRange& r) {return !r.isEmpty()&&contains(r.begin)&&contains(r.end);}
33void print() const;
34};
35
36/** set of ranges = multiple selection. used in conversion mapping. see @ref convmap */
37class MultiRange
38{
39/** subsequent ranges in array, stored as: {begin1,end1,begin2,end2,...}
40    there are data.size()/2 ranges.
41    all ranges are sorted by 'begin' value.
42    ranges cannot intersect.
43 */
44SListTempl<int> data;
45int getData(int i) const {return (int)data(i);}
46void setData(int i,int x) {data.set(i,x);}
47int getBegin(int i) const {return getData(2*i);}
48int getEnd(int i) const {return getData(2*i+1);}
49void setBegin(int i,int x) {setData(2*i,x);}
50void setEnd(int i,int x) {setData(2*i+1,x);}
51/** find the last range with begin<=x
53int findRange(int x) const;
55void removeRange(int i);
56void removeRanges(int r1,int r2);
57
58  public:
59MultiRange() {}
60MultiRange(const MultiRange &mr) {data=mr.data;}
61void operator=(const MultiRange &mr) {data=mr.data;}
65
66int operator==(const MultiRange &mr) const {return data==mr.data;}
67
68void clear();
69int isEmpty() const;
70
71IRange singleRange() const;
72int rangeCount() const;
73IRange getRange(int i) const;
74
79
80void remove(int x) {remove(x,x);}
81void remove(const IRange& r) {remove(r.begin,r.end);}
82void remove(int begin, int end);
83void remove(const MultiRange &mr);
84
85int contains(int x) const;
86int contains(const IRange& r) const;
87int contains(const MultiRange &mr) const;
88
89void intersect(const IRange& r) {intersect(r.begin,r.end);}
90void intersect(int begin, int end);
91void intersect(const MultiRange &mr);
92
93void shift(int delta);
94
95void print() const;
96void print2() const;
97};
98
99#endif
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