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// Copyright (c) 2006-2018 Maxim Khizhinsky
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE or copy at http://www.boost.org/LICENSE_1_0.txt)
#ifndef CDSUNIT_SET_TYPE_H
#define CDSUNIT_SET_TYPE_H
#include <cds/urcu/general_instant.h>
#include <cds/urcu/general_buffered.h>
#include <cds/urcu/general_threaded.h>
#include <cds/urcu/signal_buffered.h>
#include <cds/opt/hash.h>
#include <cds/sync/spinlock.h>
#include <cds_test/stress_test.h>
namespace set {
namespace cc = cds::container;
namespace co = cds::opt;
typedef cds::urcu::gc< cds::urcu::general_instant_stripped > rcu_gpi;
typedef cds::urcu::gc< cds::urcu::general_buffered_stripped > rcu_gpb;
typedef cds::urcu::gc< cds::urcu::general_threaded_stripped > rcu_gpt;
#ifdef CDS_URCU_SIGNAL_HANDLING_ENABLED
typedef cds::urcu::gc< cds::urcu::signal_buffered_stripped > rcu_shb;
#endif
template <typename Key>
struct less;
template <typename Key>
struct cmp
{
int operator ()(Key const& k1, Key const& k2) const
{
if ( less<Key>( k1, k2 ))
return -1;
return less<Key>( k2, k1 ) ? 1 : 0;
}
};
template <typename Key>
struct hash;
#define CDSUNIT_INT_COMPARE(t) template <> struct cmp<t> { int operator()( t k1, t k2 ){ return (int)(k1 - k2); } }
CDSUNIT_INT_COMPARE(char);
CDSUNIT_INT_COMPARE(unsigned char);
CDSUNIT_INT_COMPARE(int);
CDSUNIT_INT_COMPARE(unsigned int);
CDSUNIT_INT_COMPARE(long);
CDSUNIT_INT_COMPARE(unsigned long);
CDSUNIT_INT_COMPARE(long long);
CDSUNIT_INT_COMPARE(unsigned long long);
#undef CDSUNIT_INT_COMPARE
#define CDSUNIT_INT_LESS(t) template <> struct less<t> { bool operator()( t k1, t k2 ){ return k1 < k2; } }
CDSUNIT_INT_LESS( char );
CDSUNIT_INT_LESS( unsigned char );
CDSUNIT_INT_LESS( int );
CDSUNIT_INT_LESS( unsigned int );
CDSUNIT_INT_LESS( long );
CDSUNIT_INT_LESS( unsigned long );
CDSUNIT_INT_LESS( long long );
CDSUNIT_INT_LESS( unsigned long long );
#undef CDSUNIT_INT_LESS
template <>
struct cmp<std::string>
{
int operator()(std::string const& s1, std::string const& s2)
{
return s1.compare( s2 );
}
int operator()(std::string const& s1, char const * s2)
{
return s1.compare( s2 );
}
int operator()(char const * s1, std::string const& s2)
{
return -s2.compare( s1 );
}
};
template <>
struct less<std::string>
{
bool operator ()( std::string const& k1, std::string const& k2 ) const
{
return cmp<std::string>()( k1, k2 ) < 0;
}
bool operator ()( std::string const& k1, char const* k2 ) const
{
return cmp<std::string>()( k1, k2 ) < 0;
}
bool operator ()( char const* k1, std::string const& k2 ) const
{
return cmp<std::string>()( k1, k2 ) < 0;
}
};
template <typename T>
struct hash
{
typedef size_t result_type;
typedef T argument_type;
size_t operator()( T const& k ) const
{
return std::hash<size_t>()(k.nKey);
}
size_t operator()( size_t k ) const
{
return std::hash<size_t>()(k);
}
};
template <>
struct hash<size_t>
{
typedef size_t result_type;
typedef size_t argument_type;
size_t operator()( size_t k ) const
{
return std::hash<size_t>()(k);
}
};
template <>
struct hash<std::string>
{
typedef size_t result_type;
typedef std::string argument_type;
size_t operator()( std::string const& k ) const
{
return std::hash<std::string>()(k);
}
};
// forward
template <typename ImplSelector, typename Key, typename Value>
struct set_type;
template <typename Key, typename Value>
struct set_type_base
{
typedef Key key_type;
typedef Value value_type;
struct key_val {
key_type key;
value_type val;
explicit key_val( key_type const& k ): key(k), val() {}
key_val( key_type const& k, value_type const& v ): key(k), val(v) {}
template <typename K>
explicit key_val( K const& k ): key(k) {}
template <typename K, typename T>
key_val( K const& k, T const& v ): key(k), val(v) {}
};
typedef set::hash<key_type> key_hash;
typedef set::less<key_type> key_less;
typedef set::cmp<key_type> key_compare;
struct less {
bool operator()( key_val const& k1, key_val const& k2 ) const
{
return key_less()( k1.key, k2.key );
}
bool operator()( key_type const& k1, key_val const& k2 ) const
{
return key_less()( k1, k2.key );
}
bool operator()( key_val const& k1, key_type const& k2 ) const
{
return key_less()( k1.key, k2 );
}
};
struct compare {
int operator()( key_val const& k1, key_val const& k2 ) const
{
return key_compare()( k1.key, k2.key );
}
int operator()( key_type const& k1, key_val const& k2 ) const
{
return key_compare()( k1, k2.key );
}
int operator()( key_val const& k1, key_type const& k2 ) const
{
return key_compare()( k1.key, k2 );
}
};
struct equal_to {
bool operator()( key_val const& k1, key_val const& k2 ) const
{
return key_compare()( k1.key, k2.key ) == 0;
}
bool operator()( key_type const& k1, key_val const& k2 ) const
{
return key_compare()( k1, k2.key ) == 0;
}
bool operator()( key_val const& k1, key_type const& k2 ) const
{
return key_compare()( k1.key, k2 ) == 0;
}
};
struct hash: public key_hash
{
size_t operator()( key_val const& v ) const
{
return key_hash::operator()( v.key );
}
size_t operator()( key_type const& key ) const
{
return key_hash::operator()( key );
}
template <typename Q>
size_t operator()( Q const& k ) const
{
return key_hash::operator()( k );
}
};
struct hash2: public hash
{
size_t operator()( key_val const& k ) const
{
size_t h = hash::operator ()( k.key );
size_t seed = ~h;
seed ^= h + 0x9e3779b9 + (seed << 6) + (seed >> 2);
return seed;
}
size_t operator()( key_type const& k ) const
{
size_t h = hash::operator ()( k );
size_t seed = ~h;
seed ^= h + 0x9e3779b9 + (seed << 6) + (seed >> 2);
return seed;
}
template <typename Q>
size_t operator()( Q const& k ) const
{
return key_hash::operator()( k );
}
};
};
// *************************************************
// print_stat
// *************************************************
struct empty_stat {};
static inline cds_test::property_stream& operator <<( cds_test::property_stream& o, empty_stat const& )
{
return o;
}
template <typename Set>
static inline void print_stat( cds_test::property_stream& o, Set const& s )
{
o << s.statistics();
}
//*******************************************************
// additional_check
//*******************************************************
template <typename Set>
static inline void additional_check( Set& /*set*/ )
{}
template <typename Set>
static inline void additional_cleanup( Set& /*set*/ )
{}
//*******************************************************
// check_before_clear
//*******************************************************
template <typename Set>
static inline void check_before_clear( Set& /*s*/ )
{}
} // namespace set
#endif // ifndef CDSUNIT_SET_TYPE_H
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