Reverted conflict with Darwin.

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

diff --git a/include/wx/hashmap.h b/include/wx/hashmap.h
index e774c0a1935b6128aa5dea18028e9225418b0606..89601b6ec334c2d615ab2cd8b852f2294ffdb7ba 100644 (file)
--- a/include/wx/hashmap.h
+++ b/include/wx/hashmap.h
@@ -12,14 +12,45 @@
 #ifndef _WX_HASHMAP_H_
 #define _WX_HASHMAP_H_
 
 #ifndef _WX_HASHMAP_H_
 #define _WX_HASHMAP_H_
 

-#if defined(__GNUG__) && !defined(__APPLE__)
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

 #pragma interface "hashmap.h"
 #endif
 
 #include "wx/string.h"
 
 #pragma interface "hashmap.h"
 #endif
 
 #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)
+
+
+#ifdef __WXWINCE__
+typedef int ptrdiff_t;
+#else
+#include <stddef.h>             // for ptrdiff_t
+#endif
+

 // private
 // private

-struct WXDLLEXPORT _wxHashTable_NodeBase
+struct WXDLLIMPEXP_BASE _wxHashTable_NodeBase

 {
     _wxHashTable_NodeBase() : m_nxt(0) {}
 
 {
     _wxHashTable_NodeBase() : m_nxt(0) {}
 


@@ -31,7 +62,7 @@ struct WXDLLEXPORT _wxHashTable_NodeBase
 };
 
 // private
 };
 
 // private

-class WXDLLEXPORT _wxHashTableBase2
+class WXDLLIMPEXP_BASE _wxHashTableBase2

 {
 public:
     typedef void (*NodeDtor)(_wxHashTable_NodeBase*);
 {
 public:
     typedef void (*NodeDtor)(_wxHashTable_NodeBase*);


@@ -112,8 +143,8 @@ public: \
         value_type m_value; \
     }; \
  \
         value_type m_value; \
     }; \
  \

-    struct Iterator; \
-    friend struct Iterator; \
+    CLASSEXP Iterator; \
+    friend CLASSEXP Iterator; \

 protected: \
     static void DeleteNode( _wxHashTable_NodeBase* node ) \
     { \
 protected: \
     static void DeleteNode( _wxHashTable_NodeBase* node ) \
     { \


@@ -123,8 +154,9 @@ public: \
     /*                  */ \
     /* forward iterator */ \
     /*                  */ \
     /*                  */ \
     /* forward iterator */ \
     /*                  */ \

-    struct Iterator \
+    CLASSEXP Iterator \

     { \
     { \

+    public: \

         Node* m_node; \
         Self* m_ht; \
  \
         Node* m_node; \
         Self* m_ht; \
  \


@@ -155,8 +187,9 @@ public: \
     }; \
  \
 public: \
     }; \
  \
 public: \

-    struct iterator:public Iterator \
+    CLASSEXP iterator : public Iterator \

     { \
     { \

+    public: \

         iterator() : Iterator() {} \
         iterator( Node* node, Self* ht ) : Iterator( node, ht ) {} \
         iterator& operator++() { PlusPlus(); return *this; } \
         iterator() : Iterator() {} \
         iterator( Node* node, Self* ht ) : Iterator( node, ht ) {} \
         iterator& operator++() { PlusPlus(); return *this; } \


@@ -165,8 +198,9 @@ public: \
         pointer operator ->() const { return &(m_node->m_value); } \
     }; \
  \
         pointer operator ->() const { return &(m_node->m_value); } \
     }; \
  \

-    struct const_iterator:public Iterator \
+    CLASSEXP const_iterator : public Iterator \

     { \
     { \

+    public: \

         const_iterator() : Iterator() {} \
         const_iterator( Node* node, const Self* ht ) \
             : Iterator( node, (Self*)ht ) {} \
         const_iterator() : Iterator() {} \
         const_iterator( Node* node, const Self* ht ) \
             : Iterator( node, (Self*)ht ) {} \


@@ -264,7 +298,7 @@ protected: \
     } \
     static Node* CopyNode( Node* node ) { return new Node( *node ); } \
  \
     } \
     static Node* CopyNode( Node* node ) { return new Node( *node ); } \
  \

-    Node* GetOrCreateNode( const value_type& value ) \
+    Node* GetOrCreateNode( const value_type& value, bool& created ) \

     { \
         const const_key_type& key = m_getKey( value ); \
         size_t bucket = m_hasher( key ) % m_tableBuckets; \
     { \
         const const_key_type& key = m_getKey( value ); \
         size_t bucket = m_hasher( key ) % m_tableBuckets; \


@@ -273,11 +307,18 @@ protected: \
         while( node ) \
         { \
             if( m_equals( m_getKey( node->m_value ), key ) ) \
         while( node ) \
         { \
             if( m_equals( m_getKey( node->m_value ), key ) ) \

+            { \
+                created = false; \

                 return node; \
                 return node; \

+            } \

             node = node->m_next(); \
         } \
             node = node->m_next(); \
         } \

- \
-        node = new Node( value ); \
+        created = true; \
+        return CreateNode( value, bucket); \
+    }\
+    Node * CreateNode( const value_type& value, size_t bucket ) \
+    {\
+        Node* node = new Node( value ); \

         node->m_nxt = m_table[bucket]; \
         m_table[bucket] = node; \
  \
         node->m_nxt = m_table[bucket]; \
         m_table[bucket] = node; \
  \


@@ -288,6 +329,10 @@ protected: \
  \
         return node; \
     } \
  \
         return node; \
     } \

+    void CreateNode( const value_type& value ) \
+    {\
+        CreateNode(value, m_hasher( m_getKey(value) ) % m_tableBuckets ); \
+    }\

  \
     /* returns NULL if not found */ \
     Node** GetNodePtr( const const_key_type& key ) const \
  \
     /* returns NULL if not found */ \
     Node** GetNodePtr( const const_key_type& key ) const \


@@ -361,7 +406,6 @@ public: \
     typedef const VALUE_T const_t2; \
  \
     CLASSNAME( const const_t1& f, const const_t2& s ):first(t1(f)),second(t2(s)) {} \
     typedef const VALUE_T const_t2; \
  \
     CLASSNAME( const const_t1& f, const const_t2& s ):first(t1(f)),second(t2(s)) {} \

-    CLASSNAME( const const_t1& f ):first(t1(f)),second(t2()) {} \

  \
     t1 first; \
     t2 second; \
  \
     t1 first; \
     t2 second; \


@@ -389,13 +433,15 @@ public: \
 };
 
 // grow/shrink predicates
 };
 
 // grow/shrink predicates

-inline bool never_grow( size_t, size_t ) { return FALSE; }
-inline bool never_shrink( size_t, size_t ) { return FALSE; }
+inline bool never_grow( size_t, size_t ) { return false; }
+inline bool never_shrink( size_t, size_t ) { return false; }

 inline bool grow_lf70( size_t buckets, size_t items )
 {
     return float(items)/float(buckets) >= 0.85;
 }
 
 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
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // hashing and comparison functors
 // ----------------------------------------------------------------------------


@@ -404,8 +450,33 @@ 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)
 
 //     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
 // integer types

-class WXDLLEXPORT wxIntegerHash
+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

 {
 public:
     wxIntegerHash() { }
 {
 public:
     wxIntegerHash() { }


@@ -419,7 +490,9 @@ public:
     wxIntegerHash& operator=(const wxIntegerHash&) { return *this; }
 };
 
     wxIntegerHash& operator=(const wxIntegerHash&) { return *this; }
 };
 

-class WXDLLEXPORT wxIntegerEqual
+#endif // !wxUSE_STL || !defined(HAVE_STL_HASH_MAP)
+
+class WXDLLIMPEXP_BASE wxIntegerEqual

 {
 public:
     wxIntegerEqual() { }
 {
 public:
     wxIntegerEqual() { }


@@ -434,19 +507,23 @@ public:
 };
 
 // pointers
 };
 
 // pointers

-class WXDLLEXPORT wxPointerHash
+class WXDLLIMPEXP_BASE wxPointerHash

 {
 public:
     wxPointerHash() { }
 
     // TODO: this might not work well on architectures with 64 bit pointers but
     //       32 bit longs, we should use % ULONG_MAX there
 {
 public:
     wxPointerHash() { }
 
     // 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); }
     unsigned long operator()( const void* k ) const { return (unsigned long)wxPtrToULong(k); }

+#endif

 
     wxPointerHash& operator=(const wxPointerHash&) { return *this; }
 };
 
 
     wxPointerHash& operator=(const wxPointerHash&) { return *this; }
 };
 

-class WXDLLEXPORT wxPointerEqual
+class WXDLLIMPEXP_BASE wxPointerEqual

 {
 public:
     wxPointerEqual() { }
 {
 public:
     wxPointerEqual() { }


@@ -456,7 +533,7 @@ public:
 };
 
 // wxString, char*, wxChar*
 };
 
 // wxString, char*, wxChar*

-class WXDLLEXPORT wxStringHash
+class WXDLLIMPEXP_BASE wxStringHash

 {
 public:
     wxStringHash() {}
 {
 public:
     wxStringHash() {}


@@ -474,7 +551,7 @@ public:
     wxStringHash& operator=(const wxStringHash&) { return *this; }
 };
 
     wxStringHash& operator=(const wxStringHash&) { return *this; }
 };
 

-class WXDLLEXPORT wxStringEqual
+class WXDLLIMPEXP_BASE wxStringEqual

 {
 public:
     wxStringEqual() {}
 {
 public:
     wxStringEqual() {}


@@ -490,6 +567,8 @@ public:
     wxStringEqual& operator=(const wxStringEqual&) { return *this; }
 };
 
     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 ) \
 #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 ) \


@@ -498,13 +577,19 @@ CLASSEXP CLASSNAME:public CLASSNAME##_wxImplementation_HashTable \
 { \
 public: \
     typedef VALUE_T mapped_type; \
 { \
 public: \
     typedef VALUE_T mapped_type; \

+    _WX_DECLARE_PAIR( iterator, bool, Insert_Result, CLASSEXP ) \

  \
  \

-    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 ) \
     { \
  \
     mapped_type& operator[]( const const_key_type& key ) \
     { \

-        return GetOrCreateNode( CLASSNAME##_wxImplementation_Pair( key ) )->m_value.second; \
+        bool created; \
+        return GetOrCreateNode( \
+                CLASSNAME##_wxImplementation_Pair( key, mapped_type() ), \
+                created)->m_value.second; \

     } \
  \
     const_iterator find( const const_key_type& key ) const \
     } \
  \
     const_iterator find( const const_key_type& key ) const \


@@ -517,7 +602,16 @@ public: \
         return iterator( GetNode( key ), this ); \
     } \
  \
         return iterator( GetNode( key ), this ); \
     } \
  \

-    void insert( const value_type& v ) { (*this)[v.first] = v.second; } \
+    Insert_Result insert( const value_type& v ) \
+    { \
+        bool created; \
+        Node *node = GetOrCreateNode( \
+                CLASSNAME##_wxImplementation_Pair( v.first, v.second ), \
+                created); \
+        if ( !created ) \
+            node->m_value.second = v.second; \
+        return Insert_Result(iterator(node, this), created); \
+    } \

  \
     size_type erase( const key_type& k ) \
         { return CLASSNAME##_wxImplementation_HashTable::erase( k ); } \
  \
     size_type erase( const key_type& k ) \
         { return CLASSNAME##_wxImplementation_HashTable::erase( k ); } \


@@ -529,6 +623,8 @@ public: \
         { return GetNode( key ) ? 1 : 0; } \
 }
 
         { 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 )
 // 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 )


@@ -543,16 +639,49 @@ public: \
 
 // and these do exactly the same thing but should be used inside the
 // library
 
 // and these do exactly the same thing but should be used inside the
 // library

+#define WX_DECLARE_HASH_MAP_WITH_DECL( KEY_T, VALUE_T, HASH_T, KEY_EQ_T, CLASSNAME, DECL) \
+    _WX_DECLARE_HASH_MAP( KEY_T, VALUE_T, HASH_T, KEY_EQ_T, CLASSNAME, DECL )
+

 #define WX_DECLARE_EXPORTED_HASH_MAP( KEY_T, VALUE_T, HASH_T, KEY_EQ_T, CLASSNAME) \
 #define WX_DECLARE_EXPORTED_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 WXDLLEXPORT )
+    WX_DECLARE_HASH_MAP_WITH_DECL( KEY_T, VALUE_T, HASH_T, KEY_EQ_T, \
+                                   CLASSNAME, class WXDLLEXPORT )

 
 

-#define WX_DECLARE_EXPORTED_STRING_HASH_MAP( VALUE_T, CLASSNAME ) \
+#define WX_DECLARE_STRING_HASH_MAP_WITH_DECL( VALUE_T, CLASSNAME, DECL ) \

     _WX_DECLARE_HASH_MAP( wxString, VALUE_T, wxStringHash, wxStringEqual, \
     _WX_DECLARE_HASH_MAP( wxString, VALUE_T, wxStringHash, wxStringEqual, \

-                          CLASSNAME, class WXDLLEXPORT )
+                          CLASSNAME, DECL )

 
 

-#define WX_DECLARE_EXPORTED_VOIDPTR_HASH_MAP( VALUE_T, CLASSNAME ) \
+#define WX_DECLARE_EXPORTED_STRING_HASH_MAP( VALUE_T, CLASSNAME ) \
+    WX_DECLARE_STRING_HASH_MAP_WITH_DECL( VALUE_T, CLASSNAME, \
+                                          class WXDLLEXPORT )
+
+#define WX_DECLARE_VOIDPTR_HASH_MAP_WITH_DECL( VALUE_T, CLASSNAME, DECL ) \

     _WX_DECLARE_HASH_MAP( void*, VALUE_T, wxPointerHash, wxPointerEqual, \
     _WX_DECLARE_HASH_MAP( void*, VALUE_T, wxPointerHash, wxPointerEqual, \

-                          CLASSNAME, class WXDLLEXPORT )
+                          CLASSNAME, DECL )
+
+#define WX_DECLARE_EXPORTED_VOIDPTR_HASH_MAP( VALUE_T, CLASSNAME ) \
+    WX_DECLARE_VOIDPTR_HASH_MAP_WITH_DECL( VALUE_T, CLASSNAME, \
+                                           class WXDLLEXPORT )
+
+// delete all hash elements
+//
+// NB: the class declaration of the hash elements must be visible from the
+//     place where you use this macro, otherwise the proper destructor may not
+//     be called (a decent compiler should give a warning about it, but don't
+//     count on it)!
+#define WX_CLEAR_HASH_MAP(type, hashmap)                                     \
+    {                                                                        \
+        type::iterator it, en;                                               \
+        for( it = (hashmap).begin(), en = (hashmap).end(); it != en; ++it )  \
+            delete it->second;                                               \
+        (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_
 
 
 #endif // _WX_HASHMAP_H_