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85 lines
2.3 KiB
C++
85 lines
2.3 KiB
C++
#ifndef RANGESET__H
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#define RANGESET__H
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#include <list>
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#include <string>
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#include <boost/foreach.hpp>
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#include <boost/icl/interval_set.hpp>
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#include "types.h"
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class RangeSet
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{
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public:
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typedef boost::icl::interval_set<uint32> iRangeSet;
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typedef iRangeSet::iterator iterator;
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typedef iRangeSet::const_iterator const_iterator;
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typedef iRangeSet::reverse_iterator reverse_iterator;
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typedef iRangeSet::const_reverse_iterator const_reverse_iterator;
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static const uint32 RangeSetAbsent = static_cast<uint32>(-1);
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protected:
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iRangeSet mRanges;
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public:
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RangeSet() { ; }
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bool hasValue(uint32) const;
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uint32 getFirst() const;
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uint32 getNext(uint32) const;
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uint32 getLast() const;
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uint32 getPrev(uint32) const;
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uint32 prevMissing(uint32) const; // largest number not in the set that is less than the given number
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void setValue(uint32);
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void setRange(uint32, uint32);
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void clearValue(uint32);
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void clearRange(uint32, uint32);
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// iterator stuff
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iterator begin() { return mRanges.begin(); }
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iterator end() { return mRanges.end(); }
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const_iterator begin() const { return mRanges.begin(); }
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const_iterator end() const { return mRanges.end(); }
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reverse_iterator rbegin() { return mRanges.rbegin(); }
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reverse_iterator rend() { return mRanges.rend(); }
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const_reverse_iterator rbegin() const { return mRanges.rbegin(); }
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const_reverse_iterator rend() const { return mRanges.rend(); }
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static uint32 lower(const_iterator& it) { return it->lower(); }
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static uint32 upper(const_iterator& it) { return it->upper() - 1; }
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static uint32 lower(const_reverse_iterator& it) { return it->lower(); }
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static uint32 upper(const_reverse_iterator& it) { return it->upper() - 1; }
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std::string toString() const;
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};
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inline RangeSet::const_iterator range_begin(const RangeSet& r) { return r.begin(); }
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inline RangeSet::iterator range_begin(RangeSet& r) { return r.begin(); }
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inline RangeSet::const_iterator range_end(const RangeSet& r) { return r.end(); }
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inline RangeSet::iterator range_end(RangeSet& r) { return r.end(); }
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namespace boost
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{
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template<> struct range_mutable_iterator<RangeSet>
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{
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typedef RangeSet::iterator type;
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};
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template<> struct range_const_iterator<RangeSet>
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{
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typedef RangeSet::const_iterator type;
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};
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}
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#endif
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// vim:ts=4
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