3 // Copyright (C) 2005-2019 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the terms
7 // of the GNU General Public License as published by the Free Software
8 // Foundation; either version 3, or (at your option) any later
11 // This library is distributed in the hope that it will be useful, but
12 // WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // General Public License for more details.
16 // You should have received a copy of the GNU General Public License
17 // along with this library; see the file COPYING3. If not see
18 // <http://www.gnu.org/licenses/>.
21 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
23 // Permission to use, copy, modify, sell, and distribute this software
24 // is hereby granted without fee, provided that the above copyright
25 // notice appears in all copies, and that both that copyright notice
26 // and this permission notice appear in supporting documentation. None
27 // of the above authors, nor IBM Haifa Research Laboratories, make any
28 // representation about the suitability of this software for any
29 // purpose. It is provided "as is" without express or implied
33 * @file string_ranged_probe_fn.hpp
34 * Contains a ranged string probe function.
37 #ifndef PB_DS_STRING_RANGED_PROBE_FN_HPP
38 #define PB_DS_STRING_RANGED_PROBE_FN_HPP
46 template<typename Comb_Fn, typename Probe_Fn>
47 class string_ranged_probe_fn : public Probe_Fn, public Comb_Fn
53 typedef Comb_Fn comb_fn;
54 typedef Probe_Fn probe_fn;
55 typedef detail::comb_hash_fn_string_form<comb_fn> string_form;
58 operator()(const std::string& r_str) const
61 std::string::const_iterator b = r_str.begin();
62 std::string::const_iterator e = r_str.end();
65 while (i < _M_limit&& b != e)
68 ret += static_cast<size_t>(*(b++));
71 return (comb_fn::operator()(ret));
75 operator()(const std::string&, const size_t hash, size_t i) const
76 { return comb_fn::operator()(hash + probe_fn::operator()(i)); }
79 swap(string_ranged_probe_fn<Comb_Fn, Probe_Fn>& other)
81 std::swap(_M_limit, other._M_limit);
86 notify_resized(size_t new_size)
88 comb_fn::notify_resized(new_size);
89 _M_limit = dna_str_limit(new_size);
94 { return ("string_ranged_probe_fn_" + string_form<comb_fn>::name()); }
98 { return ("string ranged-probe using" + string_form<comb_fn>::desc());}
101 } // namespace __gnu_pbds