blocxx
HashMap.hpp
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32
33
38#ifndef BLOCXX_HASH_MAP_HPP_INCLUDE_GUARD_
39#define BLOCXX_HASH_MAP_HPP_INCLUDE_GUARD_
40#include "blocxx/BLOCXX_config.h"
41#ifdef BLOCXX_HAVE_HASH_MAP
42 #include <hash_map> // hash_map is better for the cache than BLOCXX_SortedVectorMap
43 #define BLOCXX_HASH_MAP_NS std
44 #define HashMap std::hash_map
45#elif BLOCXX_HAVE_EXT_HASH_MAP
46 #include <ext/hash_map> // hash_map is better for the cache than BLOCXX_SortedVectorMap
47 #define BLOCXX_HASH_MAP_NS __gnu_cxx
48 #define HashMap __gnu_cxx::hash_map
49#else
51 #define BLOCXX_HASH_MAP_NS BLOCXX_NAMESPACE
52 #define HashMap SortedVectorMap
53#endif
54#ifndef BLOCXX_HASH_SPECIALIZED_INCLUDE_GUARD_
55#define BLOCXX_HASH_SPECIALIZED_INCLUDE_GUARD_
56#if defined(BLOCXX_HAVE_HASH_MAP) || defined(BLOCXX_HAVE_EXT_HASH_MAP)
57#include "blocxx/String.hpp"
58
59// need to specialize hash
60namespace BLOCXX_HASH_MAP_NS
61{
62template<> struct hash<BLOCXX_NAMESPACE::String>
63{
64 size_t operator()(const BLOCXX_NAMESPACE::String& s) const
65 {
66 return hash<const char*>()(s.c_str());
67 }
68};
69}
70#endif
71#endif
72#undef BLOCXX_HASH_MAP_NS
73#endif
#define BLOCXX_HASH_MAP_NS
Definition HashMap.hpp:51
This String class is an abstract data type that represents as NULL terminated string of characters.
Definition String.hpp:67
const char * c_str() const
Definition String.cpp:905
Taken from RFC 1321.