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1 | // -*- C++ -*- |
2 | ||
3 | // Copyright (C) 2005, 2006 Free Software Foundation, Inc. | |
4 | // | |
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 2, or (at your option) any later | |
9 | // version. | |
10 | ||
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. | |
15 | ||
16 | // You should have received a copy of the GNU General Public License | |
17 | // along with this library; see the file COPYING. If not, write to | |
18 | // the Free Software Foundation, 59 Temple Place - Suite 330, Boston, | |
19 | // MA 02111-1307, USA. | |
20 | ||
21 | // As a special exception, you may use this file as part of a free | |
22 | // software library without restriction. Specifically, if other files | |
23 | // instantiate templates or use macros or inline functions from this | |
24 | // file, or you compile this file and link it with other files to | |
25 | // produce an executable, this file does not by itself cause the | |
26 | // resulting executable to be covered by the GNU General Public | |
27 | // License. This exception does not however invalidate any other | |
28 | // reasons why the executable file might be covered by the GNU General | |
29 | // Public License. | |
30 | ||
31 | // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. | |
32 | ||
33 | // Permission to use, copy, modify, sell, and distribute this software | |
34 | // is hereby granted without fee, provided that the above copyright | |
35 | // notice appears in all copies, and that both that copyright notice | |
36 | // and this permission notice appear in supporting documentation. None | |
37 | // of the above authors, nor IBM Haifa Research Laboratories, make any | |
38 | // representation about the suitability of this software for any | |
39 | // purpose. It is provided "as is" without express or implied | |
40 | // warranty. | |
41 | ||
42 | /** | |
43 | * @file text_populate.hpp | |
44 | * Contains a function for populating a vector with text words from | |
45 | * a file. | |
46 | */ | |
47 | ||
48 | #ifndef PB_DS_TEXT_POPULATE_HPP | |
49 | #define PB_DS_TEXT_POPULATE_HPP | |
50 | ||
51 | #include <io/illegal_input_error.hpp> | |
52 | #include <set> | |
53 | #include <fstream> | |
54 | #include <string> | |
55 | #include <iostream> | |
56 | ||
57 | namespace pb_ds | |
58 | { | |
59 | ||
60 | namespace test | |
61 | { | |
62 | ||
63 | template<typename Vec> | |
64 | void | |
65 | text_populate(const std::string& r_f_name, Vec& r_a_txt) | |
66 | { | |
67 | const size_t size = r_a_txt.size(); | |
68 | ||
69 | try | |
70 | { | |
71 | std::ifstream f(r_f_name.c_str()); | |
72 | ||
73 | if (!f.good()) | |
74 | { | |
75 | std::cerr << "Cannot open file " << r_f_name.c_str() << | |
76 | std::endl; | |
77 | ||
78 | throw pb_ds::test::illegal_input_error(); | |
79 | } | |
80 | ||
81 | size_t i = 0; | |
82 | ||
83 | while (f.good()&& i < size) | |
84 | { | |
85 | f >> r_a_txt[i].first; | |
86 | r_a_txt[i].second = 0; | |
87 | ||
88 | ++i; | |
89 | } | |
90 | ||
91 | if (i < size) | |
92 | { | |
93 | std::cerr << "Read only " << static_cast<unsigned long>(i) << | |
94 | " words" << std::endl; | |
95 | ||
96 | throw pb_ds::test::illegal_input_error(); | |
97 | } | |
98 | } | |
99 | catch(...) | |
100 | { | |
101 | std::cerr << "Error reading from file" << std::endl; | |
102 | ||
103 | throw; | |
104 | } | |
105 | } | |
106 | ||
107 | template<typename Vec> | |
108 | void | |
109 | distinct_text_populate(const std::string& r_f_name, Vec& r_a_txt) | |
110 | { | |
111 | const size_t size = r_a_txt.size(); | |
112 | ||
113 | try | |
114 | { | |
115 | std::ifstream f(r_f_name.c_str()); | |
116 | ||
117 | if (!f.good()) | |
118 | { | |
119 | std::cerr << "Cannot open file " << r_f_name.c_str() << | |
120 | std::endl; | |
121 | ||
122 | throw pb_ds::test::illegal_input_error(); | |
123 | } | |
124 | ||
125 | typedef std::set< typename Vec::value_type::first_type> set_t; | |
126 | ||
127 | set_t s; | |
128 | ||
129 | while (f.good()&& s.size() < size) | |
130 | { | |
131 | typename Vec::value_type::first_type v; | |
132 | ||
133 | f >> v; | |
134 | ||
135 | if (s.find(v) == s.end()) | |
136 | { | |
137 | r_a_txt[s.size()] = std::make_pair(v, 0); | |
138 | ||
139 | s.insert(v); | |
140 | } | |
141 | } | |
142 | ||
143 | if (s.size() < size) | |
144 | { | |
145 | std::cerr << "Read only " << static_cast<unsigned long>(s.size()) << | |
146 | " words" << std::endl; | |
147 | ||
148 | throw pb_ds::test::illegal_input_error(); | |
149 | } | |
150 | } | |
151 | catch(...) | |
152 | { | |
153 | std::cerr << "Error reading from file" << std::endl; | |
154 | ||
155 | throw; | |
156 | } | |
157 | } | |
158 | ||
159 | } // namespace test | |
160 | ||
161 | } // namespace pb_ds | |
162 | ||
163 | #endif // #ifndef PB_DS_TEXT_POPULATE_HPP |