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
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
/*
* Copyright (c) 2003 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* 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;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 COPYRIGHT
* OWNER OR CONTRIBUTORS 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.
*/
#ifndef __STR_HH__
#define __STR_HH__
#include <sstream>
#include <string>
#include <vector>
#include <ctype.h>
template<class> class Hash;
template<>
class Hash<std::string> {
public:
unsigned operator()(const std::string &s) {
std::string::const_iterator i = s.begin();
std::string::const_iterator end = s.end();
unsigned hash = 5381;
while (i < end)
hash = ((hash << 5) + hash) + *i++;
return hash;
}
};
inline void
eat_lead_white(std::string &s)
{
std::string::size_type off = s.find_first_not_of(' ');
if (off != std::string::npos) {
std::string::iterator begin = s.begin();
s.erase(begin, begin + off);
}
}
inline void
eat_end_white(std::string &s)
{
std::string::size_type off = s.find_last_not_of(' ');
if (off != std::string::npos)
s.erase(s.begin() + off + 1, s.end());
}
inline void
eat_white(std::string &s)
{
eat_lead_white(s);
eat_end_white(s);
}
inline std::string
to_lower(const std::string &s)
{
std::string lower;
int len = s.size();
lower.reserve(len);
for (int i = 0; i < len; ++i)
lower.push_back(tolower(s[i]));
return lower;
}
void
tokenize(std::vector<std::string> &vector, const std::string &s,
char token, bool ign = true);
template <class T> bool
to_number(const std::string &value, T &retval);
template <class T>
inline std::string
to_string(const T& value)
{
std::stringstream str;
str << value;
return str.str();
}
// Put quotes around string arg if it contains spaces.
inline std::string
quote(const std::string &s)
{
std::string ret;
bool quote = s.find(' ') != std::string::npos;
if (quote)
ret = '"';
ret += s;
if (quote)
ret += '"';
return ret;
}
#endif //__STR_HH__
|
