1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
// ---------------------------------------------------------------------------
//
// This file is part of PermLib.
//
// Copyright (c) 2009-2012 Thomas Rehn <thomas@carmen76.de>
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// 3. The name of the author may not be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// ---------------------------------------------------------------------------
#include <list>
#include <string>
#include <fstream>
#include <boost/tokenizer.hpp>
#include <boost/lexical_cast.hpp>
namespace permlib { namespace test {
template<class PERM>
class GroupReader {
public:
bool read(const std::string& s) {
return read(s.c_str());
}
bool read(const char* filename) {
m_n = 0;
m_base.clear();
m_generators.clear();
std::ifstream file;
file.open(filename);
if (!file.is_open()) {
std::cerr << "opening " << filename << " failed" << std::endl;
return false;
}
std::string line;
while (!file.eof()) {
std::getline(file, line);
if (line.length() < 2 || line[0] == '#')
continue;
if (line[0] == 'n') {
m_n = boost::lexical_cast<unsigned int>(line.substr(1));
} else if (line[0] == 'B') {
typedef boost::tokenizer<boost::char_separator<char> > tokenizer;
boost::char_separator<char> sepBase(",");
std::string sub = line.substr(1);
tokenizer tokens(sub, sepBase);
for (tokenizer::iterator tok_iter = tokens.begin(); tok_iter != tokens.end(); ++tok_iter) {
m_base.push_back( boost::lexical_cast<dom_int>(*tok_iter) - 1 );
BOOST_ASSERT( m_base.back() < m_n );
}
} else {
BOOST_ASSERT( m_n > 0 );
typename PERM::ptr gen(new PERM(m_n, line));
m_generators.push_back(gen);
}
}
file.close();
return m_n > 0;
}
unsigned int n() const { return m_n; }
const std::list<dom_int>& base() const { return m_base; }
const std::list<typename PERM::ptr>& generators() const { return m_generators; }
private:
unsigned int m_n;
std::list<dom_int> m_base;
std::list<typename PERM::ptr> m_generators;
};
} } // end NS
|
