Further performance optimizations

[wxWidgets.git] / include / wx / hashset.h

diff --git a/include/wx/hashset.h b/include/wx/hashset.h
index 83cd9861e1235eeccb8030d72f1ab89b6cae9bda..1be24e907b4f80c571029599cf1615c92e3a5284 100644 (file)
--- a/include/wx/hashset.h
+++ b/include/wx/hashset.h
@@ -14,6 +14,19 @@
 
 #include "wx/hashmap.h"
 
+#if wxUSE_STL && defined(HAVE_STL_HASH_MAP)
+
+#if defined(HAVE_EXT_HASH_MAP)
+    #include <ext/hash_set>
+#elif defined(HAVE_HASH_MAP)
+    #include <hash_set>
+#endif
+
+#define _WX_DECLARE_HASH_SET( KEY_T, HASH_T, KEY_EQ_T, CLASSNAME, CLASSEXP )\
+    typedef WX_HASH_MAP_NAMESPACE::hash_set< KEY_T, HASH_T, KEY_EQ_T > CLASSNAME
+
+#else // !wxUSE_STL || !defined(HAVE_STL_HASH_MAP)
+
 // this is a complex way of defining an easily inlineable identity function...
 #define _WX_DECLARE_HASH_SET_KEY_EX( KEY_T, CLASSNAME, CLASSEXP )            \
 CLASSEXP CLASSNAME                                                           \
@@ -38,14 +51,18 @@ _WX_DECLARE_HASHTABLE( KEY_T, KEY_T, HASH_T, CLASSNAME##_wxImplementation_KeyEx,
 CLASSEXP CLASSNAME:public CLASSNAME##_wxImplementation_HashTable             \
 {                                                                            \
 public:                                                                      \
+    _WX_DECLARE_PAIR( iterator, bool, Insert_Result, CLASSEXP )              \
+                                                                             \
     wxEXPLICIT CLASSNAME( size_type hint = 100, hasher hf = hasher(),        \
                           key_equal eq = key_equal() )                       \
         : CLASSNAME##_wxImplementation_HashTable( hint, hf, eq,              \
                       CLASSNAME##_wxImplementation_KeyEx() ) {}              \
                                                                              \
-    void insert( const key_type& key )                                       \
+    Insert_Result insert( const key_type& key )                              \
     {                                                                        \
-        GetOrCreateNode( key );                                              \
+        bool created;                                                        \
+        Node *node = GetOrCreateNode( key, created );                        \
+        return Insert_Result( iterator( node, this ), created );             \
     }                                                                        \
                                                                              \
     const_iterator find( const const_key_type& key ) const                   \
@@ -68,6 +85,8 @@ public:                                                                      \
         { return GetNode( key ) ? 1 : 0; }                                   \
 }
 
+#endif // !wxUSE_STL || !defined(HAVE_STL_HASH_MAP)
+
 // these macros are to be used in the user code
 #define WX_DECLARE_HASH_SET( KEY_T, HASH_T, KEY_EQ_T, CLASSNAME) \
     _WX_DECLARE_HASH_SET( KEY_T, HASH_T, KEY_EQ_T, CLASSNAME, class )
@@ -79,7 +98,7 @@ public:                                                                      \
 
 #define WX_DECLARE_EXPORTED_HASH_SET( KEY_T, HASH_T, KEY_EQ_T, CLASSNAME) \
     WX_DECLARE_HASH_SET_WITH_DECL( KEY_T, HASH_T, KEY_EQ_T, \
-                                   CLASSNAME, class WXDLLEXPORT )
+                                   CLASSNAME, class WXDLLIMPEXP_CORE )
 
 // delete all hash elements
 //
@@ -88,6 +107,11 @@ public:                                                                      \
 //     be called (a decent compiler should give a warning about it, but don't
 //     count on it)!
 #define WX_CLEAR_HASH_SET(type, hashset)                                     \
-    WX_CLEAR_HASH_MAP(type, hashset)
+    {                                                                        \
+        type::iterator it, en;                                               \
+        for( it = (hashset).begin(), en = (hashset).end(); it != en; ++it )  \
+            delete *it;                                                      \
+        (hashset).clear();                                                   \
+    }
 
 #endif // _WX_HASHSET_H_