blob: 1c0ce176d80760f1bd0960c43d8e2ce5cd42a504 (
plain)
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
|
#include "common.hh"
#include "args.hh"
namespace stuff {
// static
bool Args::parse(const std::string& input, std::vector<std::string>* output,
bool nice) {
size_t last = 0, i = 0;
std::string arg;
output->clear();
while (i < input.size() && input[i] == ' ') ++i;
if (i == input.size()) return true;
while (i < input.size()) {
if (input[i] == ' ') {
arg.append(input.substr(last, i - last));
output->push_back(arg);
arg.clear();
++i;
while (i < input.size() && input[i] == ' ') ++i;
if (i == input.size()) return true;
last = i;
} else if (input[i] == '\'' || input[i] == '"') {
const char closing = input[i];
std::string text;
size_t j = i + 1;
size_t last_j = j;
while (j < input.size()) {
if (input[j] == closing) {
break;
} else if (input[j] == '\\') {
text.append(input.substr(last_j, j - last_j));
if (j == input.size()) {
if (!nice) return false;
break;
}
text.push_back(input[++j]);
last_j = ++j;
} else {
++j;
}
}
if (j < input.size()) {
arg.append(input.substr(last, i - last));
arg.append(text);
arg.append(input.substr(last_j, j - last_j));
last = i = j + 1;
} else {
// No closing char
if (!nice) return false;
++i;
}
} else {
++i;
}
}
arg.append(input.substr(last, i - last));
output->push_back(arg);
return true;
}
} // namespace stuff
|
