+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)
+};
+
+#endif // wxUSE_OLD_HASH_TABLE
+
+#if !wxUSE_STL
+
+#if WXWIN_COMPATIBILITY_2_4
+
+// ----------------------------------------------------------------------------
+// a hash table which stores longs
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_BASE wxHashTableLong : public wxObject
+{
+public:
+ wxHashTableLong(size_t size = wxHASH_SIZE_DEFAULT)
+ { Init(size); }
+ virtual ~wxHashTableLong();
+
+ void Create(size_t size = wxHASH_SIZE_DEFAULT);
+ void Destroy();
+
+ size_t GetSize() const { return m_hashSize; }
+ size_t GetCount() const { return m_count; }
+
+ void Put(long key, long value);
+ long Get(long key) const;
+ long Delete(long key);
+
+protected:
+ void Init(size_t size);
+
+private:
+ wxArrayLong **m_values,
+ **m_keys;
+
+ // the size of array above
+ size_t m_hashSize;
+
+ // the total number of elements in the hash
+ size_t m_count;
+
+ // not implemented yet
+ DECLARE_NO_COPY_CLASS(wxHashTableLong)
+};
+
+// ----------------------------------------------------------------------------
+// wxStringHashTable: a hash table which indexes strings with longs
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_BASE wxStringHashTable : public wxObject
+{
+public:
+ wxStringHashTable(size_t sizeTable = wxHASH_SIZE_DEFAULT);
+ virtual ~wxStringHashTable();
+
+ // add a string associated with this key to the table
+ void Put(long key, const wxString& value);
+
+ // get the string from the key: if not found, an empty string is returned
+ // and the wasFound is set to false if not NULL
+ wxString Get(long key, bool *wasFound = NULL) const;
+
+ // remove the item, returning true if the item was found and deleted
+ bool Delete(long key) const;
+
+ // clean up
+ void Destroy();
+
+private:
+ wxArrayLong **m_keys;
+ wxArrayString **m_values;
+
+ // the size of array above
+ size_t m_hashSize;
+
+ DECLARE_NO_COPY_CLASS(wxStringHashTable)
+};
+
+#endif // WXWIN_COMPATIBILITY_2_4
+
+#endif // !wxUSE_STL
+
projects / wxWidgets.git / blobdiff