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Diffstat (limited to 'libstdc++-v3/testsuite/util/native_type/assoc/native_hash_set.hpp')
| -rw-r--r-- | libstdc++-v3/testsuite/util/native_type/assoc/native_hash_set.hpp | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/util/native_type/assoc/native_hash_set.hpp b/libstdc++-v3/testsuite/util/native_type/assoc/native_hash_set.hpp new file mode 100644 index 00000000000..e1082c907e4 --- /dev/null +++ b/libstdc++-v3/testsuite/util/native_type/assoc/native_hash_set.hpp @@ -0,0 +1,159 @@ +// -*- C++ -*- + +// Copyright (C) 2005, 2006 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the terms +// of the GNU General Public License as published by the Free Software +// Foundation; either version 2, or (at your option) any later +// version. + +// This library is distributed in the hope that it will be useful, but +// WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. + +// You should have received a copy of the GNU General Public License +// along with this library; see the file COPYING. If not, write to +// the Free Software Foundation, 59 Temple Place - Suite 330, Boston, +// MA 02111-1307, USA. + +// As a special exception, you may use this file as part of a free +// software library without restriction. Specifically, if other files +// instantiate templates or use macros or inline functions from this +// file, or you compile this file and link it with other files to +// produce an executable, this file does not by itself cause the +// resulting executable to be covered by the GNU General Public +// License. This exception does not however invalidate any other +// reasons why the executable file might be covered by the GNU General +// Public License. + +// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. + +// Permission to use, copy, modify, sell, and distribute this software +// is hereby granted without fee, provided that the above copyright +// notice appears in all copies, and that both that copyright notice +// and this permission notice appear in supporting documentation. None +// of the above authors, nor IBM Haifa Research Laboratories, make any +// representation about the suitability of this software for any +// purpose. It is provided "as is" without express or implied +// warranty. + +/** + * @file native_hash_set.hpp + * Contains an adapter to Dinkumware/SGI hash tables + */ + +#ifndef PB_DS_NATIVE_HASH_SET_HPP +#define PB_DS_NATIVE_HASH_SET_HPP + +#include <ext/pb_ds/detail/standard_policies.hpp> +#include <native_type/assoc/native_hash_tag.hpp> +#include <io/xml.hpp> +#include <string> + +// Default to using tr1. +#define PB_DS_USE_TR1 1 + +#ifdef PB_DS_USE_TR1 +#include <tr1/unordered_set> +#else +#include <ext/hash_set> +#endif + +namespace pb_ds +{ + namespace test + { +#ifdef PB_DS_USE_TR1 +#define PB_DS_BASE_C_DEC \ + std::tr1::unordered_set<Key, Hash_Fn, Eq_Fn, \ + typename Allocator::template rebind<Key>::other> +#else +#define PB_DS_BASE_C_DEC \ + __gnu_cxx::hash_set<Key, Hash_Fn, Eq_Fn, \ + typename Allocator::template rebind<Key>::other> +#endif + + template<typename Key, + size_t Init_Size = 8, + typename Hash_Fn = typename pb_ds::detail::default_hash_fn<Key>::type, + typename Eq_Fn = std::equal_to<Key>, + typename Less_Fn = std::less<Key>, + typename Allocator = std::allocator<char> +#ifdef PB_DS_USE_TR1 + , bool Cache_Hash = false +#endif + > + class native_hash_set : public PB_DS_BASE_C_DEC + { + private: + typedef PB_DS_BASE_C_DEC base_type; + + public: + typedef native_hash_tag container_category; + + native_hash_set() : base_type(Init_Size) { } + + template<typename It> + native_hash_set(It f, It l) : base_type(f, l) { } + + template<typename Pred> + inline size_t + erase_if(Pred pred) + { + size_t ersd = 0; + bool done = false; + while (!done) + { + typename base_type::iterator b_it = base_type::begin(); + typename base_type::iterator e_it = base_type::end(); + done = true; + while (b_it != e_it) + { + if (pred(*b_it)) + { + ++ersd; + done = false; + base_type::erase(*b_it); + b_it = e_it; + } + else + ++b_it; + } + } + return ersd; + } + + static std::string + name() + { +#ifdef PB_DS_USE_TR1 + return std::string("n_hash_set_") + + (Cache_Hash ? std::string("cah") : std::string("ncah")); +#else + return std::string("n_hash_set_ncah"); +#endif + } + + static std::string + desc() + { +#ifdef PB_DS_USE_TR1 + const std::string cache_hash_desc = + make_xml_tag("cache_hash_code", "value", + Cache_Hash ? std::string("true") : std::string("false")); + + return make_xml_tag("type", "value", "std_tr1_unordered_set", + cache_hash_desc); +#else + return make_xml_tag("type", "value", "__gnucxx_hash_set"); +#endif + } + }; + +#undef PB_DS_BASE_C_DEC + } // namespace test +} // namespace pb_ds + +#endif |