diff options
Diffstat (limited to 'Source/Library/Common/Map.class.h')
-rw-r--r-- | Source/Library/Common/Map.class.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/Source/Library/Common/Map.class.h b/Source/Library/Common/Map.class.h new file mode 100644 index 0000000..1270752 --- /dev/null +++ b/Source/Library/Common/Map.class.h @@ -0,0 +1,53 @@ +#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 |