blocxx

HashMultiMap.hpp

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00002 * Copyright (C) 2005, Vintela, Inc. All rights reserved.
00003 * Copyright (C) 2006, Novell, Inc. All rights reserved.
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00005 * Redistribution and use in source and binary forms, with or without
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00032 
00033 
00038 #ifndef BLOCXX_HASH_MULTI_MAP_HPP_INCLUDE_GUARD_
00039 #define BLOCXX_HASH_MULTI_MAP_HPP_INCLUDE_GUARD_
00040 #include "blocxx/BLOCXX_config.h"
00041 #ifdef BLOCXX_HAVE_HASH_MAP
00042    #include <hash_map>
00043    #define BLOCXX_HASH_MAP_NS std
00044    #define HashMultiMap std::hash_multimap
00045 #elif BLOCXX_HAVE_EXT_HASH_MAP
00046    #include <ext/hash_map>
00047    #define BLOCXX_HASH_MAP_NS __gnu_cxx
00048    #define HashMultiMap __gnu_cxx::hash_multimap
00049 #else
00050    // TODO: Write a real hash multi map
00051    #include <map>
00052    #define BLOCXX_HASH_MAP_NS std
00053    #define HashMultiMap std::multimap
00054 #endif
00055 
00056 #ifndef BLOCXX_HASH_SPECIALIZED_INCLUDE_GUARD_
00057 #define BLOCXX_HASH_SPECIALIZED_INCLUDE_GUARD_
00058 #if defined(BLOCXX_HAVE_HASH_MAP) || defined(BLOCXX_HAVE_EXT_HASH_MAP)
00059 #include "blocxx/String.hpp"
00060 
00061 // need to specialize hash
00062 namespace BLOCXX_HASH_MAP_NS
00063 {
00064 template<> struct hash<BLOCXX_NAMESPACE::String>
00065 {
00066    size_t operator()(const BLOCXX_NAMESPACE::String& s) const
00067    {
00068       return hash<const char*>()(s.c_str());
00069    }
00070 };
00071 }
00072 
00073 #endif
00074 #endif
00075 #undef BLOCXX_HASH_MAP_NS
00076 #endif