forked from daniele77/cli
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathsplit.h
More file actions
113 lines (103 loc) · 3.53 KB
/
split.h
File metadata and controls
113 lines (103 loc) · 3.53 KB
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
/*******************************************************************************
* CLI - A simple command line interface.
* Copyright (C) 2019 Daniele Pallastrelli
*
* Boost Software License - Version 1.0 - August 17th, 2003
*
* Permission is hereby granted, free of charge, to any person or organization
* obtaining a copy of the software and accompanying documentation covered by
* this license (the "Software") to use, reproduce, display, distribute,
* execute, and transmit the Software, and to prepare derivative works of the
* Software, and to permit third-parties to whom the Software is furnished to
* do so, all subject to the following:
*
* The copyright notices in the Software and this entire statement, including
* the above license grant, this restriction and the following disclaimer,
* must be included in all copies of the Software, in whole or in part, and
* all derivative works of the Software, unless such copies or derivative
* works are solely in the form of machine-executable object code generated by
* a source language processor.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
* SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
* FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
******************************************************************************/
#ifndef CLI_DETAIL_SPLIT_H_
#define CLI_DETAIL_SPLIT_H_
#include <string>
#include <vector>
#include <algorithm>
namespace cli
{
namespace detail
{
inline void split(std::vector<std::string>& strs, const std::string& input)
{
enum class State { space, word, sentence };
State state = State::space;
strs.clear();
for (char c: input)
{
switch(state)
{
case State::space:
if (c == ' ' || c == '\t' || c == '\n')
{
// do nothing
}
else if (c == '"')
{
state = State::sentence;
strs.push_back("");
}
else
{
state = State::word;
strs.push_back(std::string(1, c));
}
break;
case State::word:
if (c == ' ' || c == '\t' || c == '\n')
{
state = State::space;
}
else if (c == '"')
{
state = State::sentence;
strs.push_back("");
}
else
{
assert(!strs.empty());
strs.back() += c;
}
break;
case State::sentence:
if (c == '"')
{
state = State::space;
}
else
{
assert(!strs.empty());
strs.back() += c;
}
}
}
// remove null entries from the vector:
strs.erase(
std::remove_if(
strs.begin(),
strs.end(),
[](const std::string& s){ return s.empty(); }
),
strs.end()
);
}
} // namespace detail
} // namespace cli
#endif // CLI_DETAIL_SPLIT_H_