83 lines
1.5 KiB
C++
83 lines
1.5 KiB
C++
#ifndef _MEDIA_T_MAP_H
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#define _MEDIA_T_MAP_H
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template<class key, class value> class Map
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{
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public:
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Map() : count(0) {}
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void Insert(const key &k, const value &v)
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{
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value temp;
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if (count == MAXENT) debugger("template Map out of memory");
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if (Get(k, &temp)) debugger("template Map inserting duplicate key");
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list[count].k = k;
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list[count].v = v;
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count++;
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}
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bool Get(const key &k, value *v)
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{
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for (int i = 0; i < count; i++)
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if (list[i].k == k) {
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*v = list[i].v;
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return true;
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}
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return false;
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}
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// you can't Remove() while iterating through the map using GetAt()
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bool GetAt(int32 index, value *v)
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{
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if (index < 0 || index >= count)
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return false;
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*v = list[index].v;
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return true;
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}
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bool GetPointer(const key &k, value **v)
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{
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for (int i = 0; i < count; i++)
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if (list[i].k == k) {
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*v = &(list[i].v);
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return true;
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}
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return false;
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}
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// you can't Remove() while iterating through the map using GetAt()
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bool GetPointerAt(int32 index, value **v)
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{
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if (index < 0 || index >= count)
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return false;
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*v = &(list[index].v);
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return true;
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}
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// you can't Remove() while iterating through the map using GetAt()
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bool Remove(const key &k)
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{
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for (int i = 0; i < count; i++)
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if (list[i].k == k) {
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count--;
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if (count > 0) {
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list[i].v = list[count].v;
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list[i].k = list[count].k;
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}
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return true;
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}
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return false;
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}
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private:
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enum { MAXENT = 64 };
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struct ent {
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key k;
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value v;
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};
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ent list[MAXENT];
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int count;
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};
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#endif // _MEDIA_T_MAP_H
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