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-rw-r--r--Source/Library/Common/Map.class.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/Source/Library/Common/Map.class.h b/Source/Library/Common/Map.class.h
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+++ b/Source/Library/Common/Map.class.h
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+#ifndef DEF_MAP_CLASS_H
+#define DEF_MAP_CLASS_H
+
+template <typename K, typename V>
+class Map {
+ private:
+ V m_null;
+ struct item_t {
+ item_t *prev, *next;
+ K key;
+ V value;
+ item_t(const K& _key, const V& _value) : prev(0), next(0), key(_key), value(_value) {}
+ ~item_t() {
+ if (prev != 0) delete prev;
+ if (next != 0) delete next;
+ }
+ } *m_root;
+
+ //Recursive functions for internal use
+ item_t* find(const K& key, item_t* start) {
+ if (start == 0) return 0;
+ if (start->key == key) return start;
+ if (start->key > key) return find(key, start->prev);
+ if (start->key < key) return find(key, start->next);
+ return 0;
+ }
+ item_t* insert(const K& key, const V& value, item_t* start) {
+ if (start == 0) return new item_t(key, value);
+ if (start->key == key) return 0;
+ if (start->key > key) {
+ start->prev = insert(key, value, start->prev);
+ return start;
+ }
+ if (start->key < key) {
+ start->next = insert(key, value, start->next);
+ return start;
+ }
+ return 0;
+ }
+
+ public:
+ Map();
+ ~Map();
+
+ bool has(const K& key);
+ void set(const K& key, const V& value);
+ const V& get(const K& key);
+ V& operator[] (const K& key);
+};
+
+#include "Map.class.cpp"
+
+#endif