+ DECLARE_NO_COPY_CLASS(wxHashTableBase)
+};
+
+#else // if !wxUSE_OLD_HASH_TABLE
+
+#if !defined(wxENUM_KEY_TYPE_DEFINED)
+#define wxENUM_KEY_TYPE_DEFINED
+
+enum wxKeyType
+{
+ wxKEY_NONE,
+ wxKEY_INTEGER,
+ wxKEY_STRING
+};
+
+#endif
+
+union wxHashKeyValue
+{
+ long integer;
+ wxChar *string;
+};
+
+// for some compilers (AIX xlC), defining it as friend inside the class is not
+// enough, so provide a real forward declaration
+class WXDLLIMPEXP_BASE wxHashTableBase;
+
+class WXDLLIMPEXP_BASE wxHashTableBase_Node
+{
+ friend class WXDLLIMPEXP_BASE wxHashTableBase;
+ typedef class WXDLLIMPEXP_BASE wxHashTableBase_Node _Node;
+public:
+ wxHashTableBase_Node( long key, void* value,
+ wxHashTableBase* table );
+ wxHashTableBase_Node( const wxChar* key, void* value,
+ wxHashTableBase* table );
+ ~wxHashTableBase_Node();
+
+ long GetKeyInteger() const { return m_key.integer; }
+ const wxChar* GetKeyString() const { return m_key.string; }
+
+ void* GetData() const { return m_value; }
+ void SetData( void* data ) { m_value = data; }
+
+protected:
+ _Node* GetNext() const { return m_next; }
+
+protected:
+ // next node in the chain
+ wxHashTableBase_Node* m_next;
+
+ // key
+ wxHashKeyValue m_key;
+
+ // value
+ void* m_value;
+
+ // pointer to the hash containing the node, used to remove the
+ // node from the hash when the user deletes the node iterating
+ // through it
+ // TODO: move it to wxHashTable_Node (only wxHashTable supports
+ // iteration)
+ wxHashTableBase* m_hashPtr;
+};
+
+class WXDLLIMPEXP_BASE wxHashTableBase
+#if !wxUSE_STL
+ : public wxObject
+#endif
+{
+ friend class WXDLLIMPEXP_BASE wxHashTableBase_Node;
+public:
+ typedef wxHashTableBase_Node Node;
+
+ wxHashTableBase();
+ virtual ~wxHashTableBase() { };
+
+ void Create( wxKeyType keyType = wxKEY_INTEGER,
+ size_t size = wxHASH_SIZE_DEFAULT );
+ void Clear();
+ void Destroy();
+
+ size_t GetSize() const { return m_size; }
+ size_t GetCount() const { return m_count; }
+
+ void DeleteContents( bool flag ) { m_deleteContents = flag; }
+
+ static long MakeKey(const wxChar *string);
+
+protected:
+ void DoPut( long key, long hash, void* data );
+ void DoPut( const wxChar* key, long hash, void* data );
+ void* DoGet( long key, long hash ) const;
+ void* DoGet( const wxChar* key, long hash ) const;
+ void* DoDelete( long key, long hash );
+ void* DoDelete( const wxChar* key, long hash );
+
+private:
+ // Remove the node from the hash, *only called from
+ // ~wxHashTable*_Node destructor
+ void DoRemoveNode( wxHashTableBase_Node* node );
+
+ // destroys data contained in the node if appropriate:
+ // deletes the key if it is a string and destrys
+ // the value if m_deleteContents is true
+ void DoDestroyNode( wxHashTableBase_Node* node );
+
+ // inserts a node in the table (at the end of the chain)
+ void DoInsertNode( size_t bucket, wxHashTableBase_Node* node );
+
+ // removes a node from the table (fiven a pointer to the previous
+ // but does not delete it (only deletes its contents)
+ void DoUnlinkNode( size_t bucket, wxHashTableBase_Node* node,
+ wxHashTableBase_Node* prev );
+
+ // unconditionally deletes node value (invoking the
+ // correct destructor)
+ virtual void DoDeleteContents( wxHashTableBase_Node* node ) = 0;
+
+protected:
+ // number of buckets
+ size_t m_size;
+
+ // number of nodes (key/value pairs)
+ size_t m_count;
+
+ // table
+ Node** m_table;
+
+ // key typ (INTEGER/STRING)
+ wxKeyType m_keyType;
+
+ // delete contents when hash is cleared
+ bool m_deleteContents;
+
+private:
+ DECLARE_NO_COPY_CLASS(wxHashTableBase)
projects / wxWidgets.git / blobdiff