COIN-OR::LEMON - Graph Library

source: glemon/map_value.h @ 1:67188bd752db

Last change on this file since 1:67188bd752db was 1:67188bd752db, checked in by Peter Hegyi <hegyi@…>, 11 years ago

SVN revision 3500 made compilable with Lemon 1.0.

File size: 870 bytes
Line 
1#ifndef MAP_VALUE_H
2#define MAP_VALUE_H
3
4#include <exception>
5#include <functional>
6#include <iosfwd>
7
8class MapValue
9{
10  public:
11    friend std::ostream& operator<<(std::ostream &os, const MapValue& v);
12    class IllegalOperation : public std::exception
13    {
14      virtual const char* what() const throw()
15      {
16        return "Illegal operation.";
17      }
18    };
19    typedef enum
20    {
21      NUMERIC = 1 << 0,
22      STRING  = 1 << 1
23    } Type;
24  private:
25    bool has_value;
26    void* p_value;
27    MapValue::Type type;
28    void clear();
29  public:
30    MapValue();
31    MapValue(double);
32    MapValue(std::string);
33    MapValue(const char* str);
34    MapValue(const MapValue& v);
35    MapValue& operator=(const MapValue& v);
36    ~MapValue();
37    operator std::string() const;
38    operator double() const;
39    Type getType() const;
40    bool hasValue() const;
41};
42
43#endif
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