HashMap.hpp

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#ifndef BLOCXX_HASH_MAP_HPP_INCLUDE_GUARD_
#define BLOCXX_HASH_MAP_HPP_INCLUDE_GUARD_
#include "blocxx/BLOCXX_config.h"
#ifdef BLOCXX_HAVE_HASH_MAP
   #include <hash_map> // hash_map is better for the cache than BLOCXX_SortedVectorMap
   #define BLOCXX_HASH_MAP_NS std
   #define HashMap std::hash_map
#elif BLOCXX_HAVE_EXT_HASH_MAP
   #include <ext/hash_map> // hash_map is better for the cache than BLOCXX_SortedVectorMap
   #define BLOCXX_HASH_MAP_NS __gnu_cxx
   #define HashMap __gnu_cxx::hash_map
#else
   #include "blocxx/SortedVectorMap.hpp"
   #define BLOCXX_HASH_MAP_NS BLOCXX_NAMESPACE
   #define HashMap SortedVectorMap
#endif
#ifndef BLOCXX_HASH_SPECIALIZED_INCLUDE_GUARD_
#define BLOCXX_HASH_SPECIALIZED_INCLUDE_GUARD_
#if defined(BLOCXX_HAVE_HASH_MAP) || defined(BLOCXX_HAVE_EXT_HASH_MAP)
#include "blocxx/String.hpp"

// need to specialize hash
namespace BLOCXX_HASH_MAP_NS
{
template<> struct hash<BLOCXX_NAMESPACE::String>
{
   size_t operator()(const BLOCXX_NAMESPACE::String& s) const
   {
      return hash<const char*>()(s.c_str());
   }
};
}
#endif
#endif
#undef BLOCXX_HASH_MAP_NS
#endif