xref: /aoo41x/main/stlport/systemstl/hash_map (revision a718d426)
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21
22#ifndef SYSTEM_STL_HASHMAP
23#define SYSTEM_STL_HASHMAP
24
25#ifdef HAVE_STL_INCLUDE_PATH
26	// TODO: use computed include file name
27	#include_next <unordered_map>
28#elif defined(__cplusplus) && (__cplusplus >= 201103L)
29	#include <unordered_map>
30#elif defined(_MSC_VER)
31	#include <../../VC/include/unordered_map>
32	#define STLP4_EMUBASE_NS ::std::tr1
33#else // fall back to boost/tr1
34	#include <boost/tr1/tr1/unordered_map>
35	#define STLP4_EMUBASE_NS ::boost
36#endif
37
38
39#ifndef NO_STLPORT4_EMULATION
40
41namespace std
42{
43#ifdef STLP4_EMUBASE_NS
44	using STLP4_EMUBASE_NS::hash;
45	using STLP4_EMUBASE_NS::unordered_map;
46	using STLP4_EMUBASE_NS::unordered_multimap;
47	#undef STLP4_EMUBASE_NS
48#endif
49
50
51template<
52	typename __K,
53	typename __T,
54	typename __H = hash<__K>,
55	typename __E = equal_to<__K>,
56	typename __A = allocator<pair<__K,__T> > >
57class hash_map
58:	public unordered_map<__K,__T,__H,__E,__A>
59{
60public:
61	typedef unordered_map<__K,__T,__H,__E,__A> _super;
62	typedef __T data_type;
63
64	hash_map( void) {}
65	hash_map( size_t n) : _super( n) {}
66
67#ifdef BOOST_TR1_UNORDERED_MAP_INCLUDED // workaround pre-BOOST_UNORDERED_USE_MOVE problem
68	// in derived classes the copy assignment operator can only be declared implicitly if
69	// its base class's assignment operator has the canonical signature.
70	// boost's assignment operators don't have this canonical signature when move-semantics are enabled
71	hash_map& operator=( const hash_map& r) { hash_map c(r); this->swap(c); return *this; }
72#endif
73
74private:
75	// setting the hasher dynamically is not supported in the emulation!
76	hash_map( size_t, const __H&, const __E& rE=__E(), const __A& rA=__A()); // not implemented
77};
78
79template<
80	typename __K,
81	typename __T,
82	typename __H = hash<__K>,
83	typename __E = equal_to<__K>,
84	typename __A = allocator<pair<__K,__T> > >
85class hash_multimap
86:	public unordered_multimap<__K,__T,__H,__E,__A>
87{
88public:
89	typedef unordered_multimap<__K,__T,__H,__E,__A> _super;
90	typedef __T data_type;
91
92	hash_multimap( void) {}
93	hash_multimap( size_t n) : _super( n) {}
94
95#ifdef BOOST_TR1_UNORDERED_MAP_INCLUDED // workaround pre-BOOST_UNORDERED_USE_MOVE problem
96	// in derived classes the copy assignment operator can only be declared implicitly if
97	// its base class's assignment operator has the canonical signature.
98	// boost's assignment operators don't have this canonical signature when move-semantics are enabled
99	hash_multimap& operator=( const hash_multimap& r) { hash_multimap c(r); this->swap(c); return *this; }
100#endif
101
102private:
103	// setting the hasher dynamically is not supported in the emulation!
104	hash_multimap( size_t, const __H&, const __E& rE=__E(), const __A& rA=__A()); // not implemented
105};
106
107} // namespace std
108
109#endif // NO_STLPORT4_EMULATION
110
111#endif
112
113