#include "wx/string.h"
#include "wx/wxcrt.h"
+// In wxUSE_STD_CONTAINERS build we prefer to use the standard hash map class
+// but it can be either in non-standard hash_map header (old g++ and some other
+// STL implementations) or in C++0x standard unordered_map which can in turn be
+// available either in std::tr1 or std namespace itself
+//
+// To summarize: if std::unordered_map is available use it, otherwise use tr1
+// and finally fall back to non-standard hash_map
+
#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 wxUSE_STD_CONTAINERS && \
+ (defined(HAVE_STD_UNORDERED_MAP) || defined(HAVE_TR1_UNORDERED_MAP))
+
+#if defined(HAVE_STD_UNORDERED_MAP)
+ #include <unordered_map>
+ #define WX_HASH_MAP_NAMESPACE std
+#elif defined(HAVE_TR1_UNORDERED_MAP)
+ #include <tr1/unordered_map>
+ #define WX_HASH_MAP_NAMESPACE std::tr1
+#endif
+
+#define _WX_DECLARE_HASH_MAP( KEY_T, VALUE_T, HASH_T, KEY_EQ_T, CLASSNAME, CLASSEXP ) \
+ typedef WX_HASH_MAP_NAMESPACE::unordered_map< KEY_T, VALUE_T, HASH_T, KEY_EQ_T > CLASSNAME
+
+#elif wxUSE_STD_CONTAINERS && defined(HAVE_STL_HASH_MAP)
#if defined(HAVE_EXT_HASH_MAP)
#include <ext/hash_map>
#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)
+#else // !wxUSE_STD_CONTAINERS || no std::{hash,unordered}_map class available
+#define wxNEEDS_WX_HASH_MAP
#ifdef __WXWINCE__
typedef int ptrdiff_t;
_wxHashTable_NodeBase* m_next;
// Cannot do this:
-// DECLARE_NO_COPY_CLASS(_wxHashTable_NodeBase)
+// wxDECLARE_NO_COPY_CLASS(_wxHashTable_NodeBase);
// without rewriting the macros, which require a public copy constructor.
};
}
};
-#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,\
+ PTROPERATOR, CLASSNAME, CLASSEXP, \
+ SHOULD_GROW, SHOULD_SHRINK ) \
CLASSEXP CLASSNAME : protected _wxHashTableBase2 \
{ \
public: \
public: \
Node( const value_type& value ) \
: m_value( value ) {} \
- Node* next() { return wx_static_cast(Node*, m_next); } \
+ Node* next() { return static_cast<Node*>(m_next); } \
\
value_type m_value; \
}; \
protected: \
static void DeleteNode( _wxHashTable_NodeBase* node ) \
{ \
- delete wx_static_cast(Node*, node); \
+ delete static_cast<Node*>(node); \
} \
public: \
/* */ \
\
Iterator() : m_node(NULL), m_ht(NULL) {} \
Iterator( Node* node, const Self* ht ) \
- : m_node(node), m_ht(wx_const_cast(Self*, ht)) {} \
+ : m_node(node), m_ht(const_cast<Self*>(ht)) {} \
bool operator ==( const Iterator& it ) const \
{ return m_node == it.m_node; } \
bool operator !=( const Iterator& it ) const \
for( size_type i = bucket + 1; i < m_ht->m_tableBuckets; ++i ) \
{ \
if( m_ht->m_table[i] ) \
- return wx_static_cast(Node*, m_ht->m_table[i]); \
+ return static_cast<Node*>(m_ht->m_table[i]); \
} \
return NULL; \
} \
iterator& operator++() { PlusPlus(); return *this; } \
iterator operator++(int) { iterator it=*this;PlusPlus();return it; } \
reference operator *() const { return m_node->m_value; } \
- pointer operator ->() const { return &(m_node->m_value); } \
+ PTROPERATOR(pointer) \
}; \
\
CLASSEXP const_iterator : public Iterator \
const_iterator() : Iterator() {} \
const_iterator(iterator i) : Iterator(i) {} \
const_iterator( Node* node, const Self* ht ) \
- : Iterator(node, wx_const_cast(Self*, ht)) {} \
+ : Iterator(node, const_cast<Self*>(ht)) {} \
const_iterator& operator++() { PlusPlus();return *this; } \
const_iterator operator++(int) { const_iterator it=*this;PlusPlus();return it; } \
const_reference operator *() const { return m_node->m_value; } \
- const_pointer operator ->() const { return &(m_node->m_value); } \
+ PTROPERATOR(const_pointer) \
}; \
\
CLASSNAME( size_type sz = 10, const hasher& hfun = hasher(), \
const_iterator end() const { return const_iterator(NULL, this); } \
iterator end() { return iterator(NULL, this); } \
const_iterator begin() const \
- { return const_iterator(wx_static_cast(Node*, GetFirstNode(m_tableBuckets, m_table)), this); } \
+ { return const_iterator(static_cast<Node*>(GetFirstNode(m_tableBuckets, m_table)), this); } \
iterator begin() \
- { return iterator(wx_static_cast(Node*, GetFirstNode(m_tableBuckets, m_table)), this); } \
+ { return iterator(static_cast<Node*>(GetFirstNode(m_tableBuckets, m_table)), this); } \
\
size_type erase( const const_key_type& key ) \
{ \
\
--m_items; \
_wxHashTable_NodeBase* temp = (*node)->m_next; \
- delete wx_static_cast(Node*, *node); \
+ delete static_cast<Node*>(*node); \
(*node) = temp; \
if( SHOULD_SHRINK( m_tableBuckets, m_items ) ) \
ResizeTable( GetPreviousPrime( (unsigned long) m_tableBuckets ) - 1 ); \
{ \
const const_key_type& key = m_getKey( value ); \
size_t bucket = m_hasher( key ) % m_tableBuckets; \
- Node* node = wx_static_cast(Node*, m_table[bucket]); \
+ Node* node = static_cast<Node*>(m_table[bucket]); \
\
while( node ) \
{ \
\
while( *node ) \
{ \
- if (m_equals(m_getKey(wx_static_cast(Node*, *node)->m_value), key)) \
+ if (m_equals(m_getKey(static_cast<Node*>(*node)->m_value), key)) \
return node; \
node = &(*node)->m_next; \
} \
Node* GetNode( const const_key_type& key ) const \
{ \
size_t bucket = m_hasher( key ) % m_tableBuckets; \
- Node* node = wx_static_cast(Node*, m_table[bucket]); \
+ Node* node = static_cast<Node*>(m_table[bucket]); \
\
while( node ) \
{ \
CLASSEXP CLASSNAME \
{ \
public: \
+ typedef KEY_T first_type; \
+ typedef VALUE_T second_type; \
typedef KEY_T t1; \
typedef VALUE_T t2; \
typedef const KEY_T const_t1; \
typedef const VALUE_T const_t2; \
\
CLASSNAME(const const_t1& f, const const_t2& s) \
- : first(wx_const_cast(t1&, f)), second(wx_const_cast(t2&, s)) {} \
+ : first(const_cast<t1&>(f)), second(const_cast<t2&>(s)) {} \
\
t1 first; \
t2 second; \
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;
+ return float(items)/float(buckets) >= 0.85f;
}
-#endif // !wxUSE_STL || !defined(HAVE_STL_HASH_MAP)
+#endif // various hash map implementations
// ----------------------------------------------------------------------------
// hashing and comparison functors
// 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)
+#ifndef wxNEEDS_WX_HASH_MAP
// integer types
class WXDLLIMPEXP_BASE wxIntegerHash
WX_HASH_MAP_NAMESPACE::hash<short> shortHash;
WX_HASH_MAP_NAMESPACE::hash<unsigned short> ushortHash;
-#if defined wxLongLong_t && !defined wxLongLongIsLong
+#ifdef wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG
// hash<wxLongLong_t> ought to work but doesn't on some compilers
#if (!defined SIZEOF_LONG_LONG && SIZEOF_LONG == 4) \
|| (defined SIZEOF_LONG_LONG && SIZEOF_LONG_LONG == SIZEOF_LONG * 2)
#else
WX_HASH_MAP_NAMESPACE::hash<wxLongLong_t> longlongHash;
#endif
-#endif
+#endif // wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG
public:
wxIntegerHash() { }
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 ); }
-#if defined wxLongLong_t && !defined wxLongLongIsLong
+#ifdef wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG
size_t operator()( wxLongLong_t x ) const { return longlongHash(x); }
size_t operator()( wxULongLong_t x ) const { return longlongHash(x); }
-#endif
+#endif // wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG
wxIntegerHash& operator=(const wxIntegerHash&) { return *this; }
};
-#else // !wxUSE_STL || !defined(HAVE_STL_HASH_MAP)
+#else // wxNEEDS_WX_HASH_MAP
// integer types
class WXDLLIMPEXP_BASE wxIntegerHash
unsigned long operator()( unsigned int x ) const { return x; }
unsigned long operator()( short x ) const { return (unsigned long)x; }
unsigned long operator()( unsigned short x ) const { return x; }
-#if defined wxLongLong_t && !defined wxLongLongIsLong
- wxULongLong_t operator()( wxLongLong_t x ) const { return wx_static_cast(wxULongLong_t, x); }
+#ifdef wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG
+ wxULongLong_t operator()( wxLongLong_t x ) const { return static_cast<wxULongLong_t>(x); }
wxULongLong_t operator()( wxULongLong_t x ) const { return x; }
-#endif
+#endif // wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG
wxIntegerHash& operator=(const wxIntegerHash&) { return *this; }
};
-#endif // !wxUSE_STL || !defined(HAVE_STL_HASH_MAP)
+#endif // !wxNEEDS_WX_HASH_MAP/wxNEEDS_WX_HASH_MAP
class WXDLLIMPEXP_BASE wxIntegerEqual
{
bool operator()( unsigned int a, unsigned int b ) const { return a == b; }
bool operator()( short a, short b ) const { return a == b; }
bool operator()( unsigned short a, unsigned short b ) const { return a == b; }
-#if defined wxLongLong_t && !defined wxLongLongIsLong
+#ifdef wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG
bool operator()( wxLongLong_t a, wxLongLong_t b ) const { return a == b; }
bool operator()( wxULongLong_t a, wxULongLong_t b ) const { return a == b; }
-#endif
+#endif // wxHAS_LONG_LONG_T_DIFFERENT_FROM_LONG
wxIntegerEqual& operator=(const wxIntegerEqual&) { return *this; }
};
public:
wxPointerHash() { }
-#if wxUSE_STL && defined(HAVE_STL_HASH_MAP)
- size_t operator()( const void* k ) const { return (size_t)k; }
-#else
+#ifdef wxNEEDS_WX_HASH_MAP
wxUIntPtr operator()( const void* k ) const { return wxPtrToUInt(k); }
+#else
+ size_t operator()( const void* k ) const { return (size_t)k; }
#endif
wxPointerHash& operator=(const wxPointerHash&) { return *this; }
wxStringEqual& operator=(const wxStringEqual&) { return *this; }
};
-#if !wxUSE_STL || !defined(HAVE_STL_HASH_MAP)
+#ifdef wxNEEDS_WX_HASH_MAP
+
+#define wxPTROP_NORMAL(pointer) \
+ pointer operator ->() const { return &(m_node->m_value); }
+#define wxPTROP_NOP(pointer)
#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 ) \
-_WX_DECLARE_HASHTABLE( CLASSNAME##_wxImplementation_Pair, KEY_T, HASH_T, CLASSNAME##_wxImplementation_KeyEx, KEY_EQ_T, CLASSNAME##_wxImplementation_HashTable, CLASSEXP, grow_lf70, never_shrink ) \
+_WX_DECLARE_HASHTABLE( CLASSNAME##_wxImplementation_Pair, KEY_T, HASH_T, \
+ CLASSNAME##_wxImplementation_KeyEx, KEY_EQ_T, wxPTROP_NORMAL, \
+ CLASSNAME##_wxImplementation_HashTable, CLASSEXP, grow_lf70, never_shrink ) \
CLASSEXP CLASSNAME:public CLASSNAME##_wxImplementation_HashTable \
{ \
public: \
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 ); } \
- void erase( const iterator& it ) { erase( it->first ); } \
- void erase( const const_iterator& it ) { erase( it->first ); } \
+ void erase( const iterator& it ) { erase( (*it).first ); } \
\
/* count() == 0 | 1 */ \
size_type count( const const_key_type& key ) \
{ \
- /* explicit cast needed to suppress CodeWarrior warnings */ \
- return (size_type)(GetNode( key ) ? 1 : 0); \
+ return GetNode( key ) ? 1u : 0u; \
} \
}
-#endif // !wxUSE_STL || !defined(HAVE_STL_HASH_MAP)
+#endif // wxNEEDS_WX_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_WITH_DECL( long, long, wxIntegerHash, wxIntegerEqual,
wxLongToLongHashMap, class WXDLLIMPEXP_BASE );
+WX_DECLARE_STRING_HASH_MAP_WITH_DECL( wxString, wxStringToStringHashMap,
+ class WXDLLIMPEXP_BASE );
+
+WX_DECLARE_STRING_HASH_MAP_WITH_DECL( wxUIntPtr, wxStringToNumHashMap,
+ class WXDLLIMPEXP_BASE );
+
#endif // _WX_HASHMAP_H_
projects / wxWidgets.git / blobdiff