xref: /aoo41x/main/xml2cmp/source/support/heap.hxx (revision cdf0e10c)
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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