more extra semicolons removed (patch 1303724)

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

diff --git a/include/wx/hashmap.h b/include/wx/hashmap.h
index 6b20a0e79f84045696d45a6881197f2c171031fb..b08eedcf3031981acf8b19446e70cf18f83fa91c 100644 (file)
--- a/include/wx/hashmap.h
+++ b/include/wx/hashmap.h
@@ -12,16 +12,37 @@
 #ifndef _WX_HASHMAP_H_
 #define _WX_HASHMAP_H_
 
 #ifndef _WX_HASHMAP_H_
 #define _WX_HASHMAP_H_
 

-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma interface "hashmap.h"
+#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
 
 #endif
 

-#include "wx/string.h"
+#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__
 typedef int ptrdiff_t;
 
 #ifdef __WXWINCE__
 typedef int ptrdiff_t;

+#else
+#include <stddef.h>             // for ptrdiff_t

 #endif
 
 // private
 #endif
 
 // private


@@ -76,6 +97,10 @@ protected:
     {
         return (void **)calloc(sz, sizeof(void*));
     }
     {
         return (void **)calloc(sz, sizeof(void*));
     }

+    static void FreeTable(void *table)
+    {
+        free(table);
+    }

 };
 
 #define _WX_DECLARE_HASHTABLE( VALUE_T, KEY_T, HASH_T, KEY_EX_T, KEY_EQ_T, CLASSNAME, CLASSEXP, SHOULD_GROW, SHOULD_SHRINK ) \
 };
 
 #define _WX_DECLARE_HASHTABLE( VALUE_T, KEY_T, HASH_T, KEY_EX_T, KEY_EQ_T, CLASSNAME, CLASSEXP, SHOULD_GROW, SHOULD_SHRINK ) \


@@ -118,8 +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 ) \
     { \


@@ -129,8 +154,9 @@ public: \
     /*                  */ \
     /* forward iterator */ \
     /*                  */ \
     /*                  */ \
     /* forward iterator */ \
     /*                  */ \

-    struct Iterator \
+    CLASSEXP Iterator \

     { \
     { \

+    public: \

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


@@ -161,8 +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; } \


@@ -171,8 +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 ) {} \


@@ -220,7 +248,7 @@ public: \
     { \
         clear(); \
  \
     { \
         clear(); \
  \

-        free(m_table); \
+        FreeTable(m_table); \

     } \
  \
     hasher hash_funct() { return m_hasher; } \
     } \
  \
     hasher hash_funct() { return m_hasher; } \


@@ -270,7 +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; \


@@ -279,10 +307,14 @@ 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(); \
         } \

-       return CreateNode( value  , bucket); \
+        created = true; \
+        return CreateNode( value, bucket); \

     }\
     Node * CreateNode( const value_type& value, size_t bucket ) \
     {\
     }\
     Node * CreateNode( const value_type& value, size_t bucket ) \
     {\


@@ -305,7 +337,7 @@ protected: \
     /* 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 \
     { \

-        unsigned long hash = m_hasher( key ); \
+        unsigned long hash = wx_static_cast(unsigned long, m_hasher( key )); \

         Node** node = &m_table[hash % m_tableBuckets]; \
  \
         while( *node ) \
         Node** node = &m_table[hash % m_tableBuckets]; \
  \
         while( *node ) \


@@ -322,7 +354,7 @@ protected: \
     /* expressing it in terms of GetNodePtr is 5-8% slower :-( */ \
     Node* GetNode( const const_key_type& key ) const \
     { \
     /* expressing it in terms of GetNodePtr is 5-8% slower :-( */ \
     Node* GetNode( const const_key_type& key ) const \
     { \

-        unsigned long hash = m_hasher( key ); \
+        unsigned long hash = wx_static_cast(unsigned long, m_hasher( key )); \

         Node* node = m_table[hash % m_tableBuckets]; \
  \
         while( node ) \
         Node* node = m_table[hash % m_tableBuckets]; \
  \
         while( node ) \


@@ -347,7 +379,7 @@ protected: \
                        this, (_wxHashTable_NodeBase**)m_table, \
                        (BucketFromNode)GetBucketForNode,\
                        (ProcessNode)&DummyProcessNode ); \
                        this, (_wxHashTable_NodeBase**)m_table, \
                        (BucketFromNode)GetBucketForNode,\
                        (ProcessNode)&DummyProcessNode ); \

-        free(srcTable); \
+        FreeTable(srcTable); \

     } \
  \
     /* this must be called _after_ m_table has been cleaned */ \
     } \
  \
     /* this must be called _after_ m_table has been cleaned */ \


@@ -401,13 +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
 // ----------------------------------------------------------------------------


@@ -416,6 +450,31 @@ 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)
 
 //     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
 {
 // integer types
 class WXDLLIMPEXP_BASE wxIntegerHash
 {


@@ -431,6 +490,8 @@ public:
     wxIntegerHash& operator=(const wxIntegerHash&) { return *this; }
 };
 
     wxIntegerHash& operator=(const wxIntegerHash&) { return *this; }
 };
 

+#endif // !wxUSE_STL || !defined(HAVE_STL_HASH_MAP)
+

 class WXDLLIMPEXP_BASE wxIntegerEqual
 {
 public:
 class WXDLLIMPEXP_BASE wxIntegerEqual
 {
 public:


@@ -451,9 +512,11 @@ class WXDLLIMPEXP_BASE wxPointerHash
 public:
     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
-    unsigned long operator()( const void* k ) const { return (unsigned long)wxPtrToULong(k); }
+#if wxUSE_STL && defined(HAVE_STL_HASH_MAP)
+    size_t operator()( const void* k ) const { return (size_t)k; }
+#else
+    wxUIntPtr operator()( const void* k ) const { return wxPtrToUInt(k); }
+#endif

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


@@ -502,6 +565,8 @@ 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 ) \


@@ -510,6 +575,7 @@ 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 ) \

  \
     wxEXPLICIT CLASSNAME( size_type hint = 100, hasher hf = hasher(),        \
                           key_equal eq = key_equal() )                       \
  \
     wxEXPLICIT CLASSNAME( size_type hint = 100, hasher hf = hasher(),        \
                           key_equal eq = key_equal() )                       \


@@ -518,7 +584,10 @@ public: \
  \
     mapped_type& operator[]( const const_key_type& key ) \
     { \
  \
     mapped_type& operator[]( const const_key_type& key ) \
     { \

-        return GetOrCreateNode( CLASSNAME##_wxImplementation_Pair( key, mapped_type() ) )->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 \


@@ -531,7 +600,16 @@ 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 ); } \


@@ -543,6 +621,8 @@ 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 )


@@ -594,5 +674,12 @@ public: \
         (hashmap).clear();                                                   \
     }
 
         (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_