X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/760d3c7cd33a214ec4b3e09449b846e8eabde614..2c990ba6d4f88e18e6666f61efe55c7a8b5cc948:/include/wx/hashmap.h?ds=sidebyside

diff --git a/include/wx/hashmap.h b/include/wx/hashmap.h
index fbabe5b8f2..ee6c142032 100644
--- a/include/wx/hashmap.h
+++ b/include/wx/hashmap.h
@@ -18,6 +18,30 @@
 
 #include "wx/string.h"
 
+#if (defined(HAVE_EXT_HASH_MAP) || defined(HAVE_HASH_MAP)) \
+    && (defined(HAVE_GNU_CXX_HASH_MAP) || defined(HAVE_STD_HASH_MAP))
+    #define HAVE_STL_HASH_MAP
+#endif
+
+#if wxUSE_STL && defined(HAVE_STL_HASH_MAP)
+
+#if defined(HAVE_EXT_HASH_MAP)
+    #include <ext/hash_map>
+#elif defined(HAVE_HASH_MAP)
+    #include <hash_map>
+#endif
+
+#if defined(HAVE_GNU_CXX_HASH_MAP)
+    #define WX_HASH_MAP_NAMESPACE __gnu_cxx
+#elif defined(HAVE_STD_HASH_MAP)
+    #define WX_HASH_MAP_NAMESPACE std
+#endif
+
+#define _WX_DECLARE_HASH_MAP( KEY_T, VALUE_T, HASH_T, KEY_EQ_T, CLASSNAME, CLASSEXP ) \
+    typedef WX_HASH_MAP_NAMESPACE::hash_map< KEY_T, VALUE_T, HASH_T, KEY_EQ_T > CLASSNAME;
+
+#else // !wxUSE_STL || !defined(HAVE_STL_HASH_MAP)
+
 #include <stddef.h>             // for ptrdiff_t
 
 #ifdef __WXWINCE__
@@ -297,19 +321,6 @@ protected: \
  \
         return node; \
     } \
-    void CreateNodeLast( const value_type& value )                           \
-    {                                                                        \
-        size_t bucket = m_hasher( m_getKey(value) ) % m_tableBuckets;        \
-        Node* curr = m_table[bucket],                                        \
-            * next = m_table[bucket];                                        \
-        while( next ) { curr = next; next = next->m_next(); }                \
-        Node** ptr = curr ? (Node**)&curr->m_nxt : &m_table[bucket];         \
-        *ptr = new Node( value );                                            \
-        /* must be after the node is inserted */                             \
-        ++m_items;                                                           \
-        if( SHOULD_GROW( m_tableBuckets, m_items ) )                         \
-            ResizeTable( m_tableBuckets );                                   \
-    }                                                                        \
     void CreateNode( const value_type& value ) \
     {\
         CreateNode(value, m_hasher( m_getKey(value) ) % m_tableBuckets ); \
@@ -421,6 +432,8 @@ inline bool grow_lf70( size_t buckets, size_t items )
     return float(items)/float(buckets) >= 0.85;
 }
 
+#endif // !wxUSE_STL || !defined(HAVE_STL_HASH_MAP)
+
 // ----------------------------------------------------------------------------
 // hashing and comparison functors
 // ----------------------------------------------------------------------------
@@ -429,6 +442,31 @@ inline bool grow_lf70( size_t buckets, size_t items )
 //     operators to suppress warnings about "statement with no effect" from gcc
 //     in the hash table class assignment operator (where they're assigned)
 
+#if wxUSE_STL && defined(HAVE_STL_HASH_MAP)
+
+// integer types
+class WXDLLIMPEXP_BASE wxIntegerHash
+{
+    WX_HASH_MAP_NAMESPACE::hash<long> longHash;
+    WX_HASH_MAP_NAMESPACE::hash<unsigned long> ulongHash;
+    WX_HASH_MAP_NAMESPACE::hash<int> intHash;
+    WX_HASH_MAP_NAMESPACE::hash<unsigned int> uintHash;
+    WX_HASH_MAP_NAMESPACE::hash<short> shortHash;
+    WX_HASH_MAP_NAMESPACE::hash<unsigned short> ushortHash;
+public:
+    wxIntegerHash() { }
+    size_t operator()( long x ) const { return longHash( x ); }
+    size_t operator()( unsigned long x ) const { return ulongHash( x ); }
+    size_t operator()( int x ) const { return intHash( x ); }
+    size_t operator()( unsigned int x ) const { return uintHash( x ); }
+    size_t operator()( short x ) const { return shortHash( x ); }
+    size_t operator()( unsigned short x ) const { return ushortHash( x ); }
+
+    wxIntegerHash& operator=(const wxIntegerHash&) { return *this; }
+};
+
+#else // !wxUSE_STL || !defined(HAVE_STL_HASH_MAP)
+
 // integer types
 class WXDLLIMPEXP_BASE wxIntegerHash
 {
@@ -444,6 +482,8 @@ public:
     wxIntegerHash& operator=(const wxIntegerHash&) { return *this; }
 };
 
+#endif // !wxUSE_STL || !defined(HAVE_STL_HASH_MAP)
+
 class WXDLLIMPEXP_BASE wxIntegerEqual
 {
 public:
@@ -466,7 +506,11 @@ public:
 
     // TODO: this might not work well on architectures with 64 bit pointers but
     //       32 bit longs, we should use % ULONG_MAX there
+#if wxUSE_STL && defined(HAVE_STL_HASH_MAP)
+    size_t operator()( const void* k ) const { return (size_t)k; }
+#else
     unsigned long operator()( const void* k ) const { return (unsigned long)wxPtrToULong(k); }
+#endif
 
     wxPointerHash& operator=(const wxPointerHash&) { return *this; }
 };
@@ -515,6 +559,8 @@ public:
     wxStringEqual& operator=(const wxStringEqual&) { return *this; }
 };
 
+#if !wxUSE_STL || !defined(HAVE_STL_HASH_MAP)
+
 #define _WX_DECLARE_HASH_MAP( KEY_T, VALUE_T, HASH_T, KEY_EQ_T, CLASSNAME, CLASSEXP ) \
 _WX_DECLARE_PAIR( KEY_T, VALUE_T, CLASSNAME##_wxImplementation_Pair, CLASSEXP ) \
 _WX_DECLARE_HASH_MAP_KEY_EX( KEY_T, CLASSNAME##_wxImplementation_Pair, CLASSNAME##_wxImplementation_KeyEx, CLASSEXP ) \
@@ -524,8 +570,10 @@ CLASSEXP CLASSNAME:public CLASSNAME##_wxImplementation_HashTable \
 public: \
     typedef VALUE_T mapped_type; \
  \
-    CLASSNAME( size_type hint = 100, hasher hf = hasher(), key_equal eq = key_equal() ) \
-        : CLASSNAME##_wxImplementation_HashTable( hint, hf, eq, CLASSNAME##_wxImplementation_KeyEx() ) {} \
+    wxEXPLICIT CLASSNAME( size_type hint = 100, hasher hf = hasher(),        \
+                          key_equal eq = key_equal() )                       \
+        : CLASSNAME##_wxImplementation_HashTable( hint, hf, eq,              \
+                                   CLASSNAME##_wxImplementation_KeyEx() ) {} \
  \
     mapped_type& operator[]( const const_key_type& key ) \
     { \
@@ -554,6 +602,8 @@ 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_MAP( KEY_T, VALUE_T, HASH_T, KEY_EQ_T, CLASSNAME) \
     _WX_DECLARE_HASH_MAP( KEY_T, VALUE_T, HASH_T, KEY_EQ_T, CLASSNAME, class )
@@ -605,5 +655,12 @@ public: \
         (hashmap).clear();                                                   \
     }
 
+//---------------------------------------------------------------------------
+// Declarations of common hashmap classes
+
+WX_DECLARE_HASH_MAP_WITH_DECL( long, long, wxIntegerHash, wxIntegerEqual,
+                               wxLongToLongHashMap, class WXDLLIMPEXP_BASE );
+
+
 #endif // _WX_HASHMAP_H_