xref: /trunk/main/xml2cmp/source/support/heap.hxx (revision cdf0e10c4e3984b49a9502b011690b615761d4a3)
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27 
28 #ifndef X2C_HEAP_HXX
29 #define X2C_HEAP_HXX
30 
31 #include "sistr.hxx"
32 
33 class HeapItem;
34 
35 class Heap
36 {
37   public:
38                         Heap(
39                             unsigned            i_nWidth );
40                         ~Heap();
41 
42     void                InsertValue(
43                             const char *        i_sKey,
44                             const char *        i_sValue );
45     HeapItem *          ReleaseTop();           /// @return must be deleted by caller of method.
46 
47   private:
48     typedef HeapItem * Column;
49 
50     void                IncColumn();
51     Column &            ActiveColumn()          { return dpColumnsArray[nActiveColumn]; }
52 
53     Column *            dpColumnsArray;
54     unsigned            nColumnsArraySize;
55     unsigned            nActiveColumn;
56 };
57 
58 
59 class HeapItem
60 {
61   public:
62                         HeapItem(
63                             const char *        i_sKey,
64                             const char *        i_sValue );
65                         ~HeapItem(  );
66 
67     bool                operator<(
68                             const HeapItem &    i_rOther ) const;
69     bool                operator<=(
70                             const HeapItem &    i_rOther ) const
71                                                 { return ! (i_rOther < *this); }
72     const Simstr &      Value() const;
73     const Simstr &      Key() const;
74     HeapItem *          Next() const;
75 
76     void                SetNext(
77                             HeapItem *          i_pNext );
78   private:
79     Simstr              sValue;
80     Simstr              sKey;
81     HeapItem *          pNext;
82 };
83 
84 
85 
86 
87 
88 
89 #endif
90 
91 
92