Ini.hpp
1.26 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
#pragma once
// Distributed under the LGPL v2.1 license. See accompanying
// file LICENSE or https://github.com/henryiii/CLI11 for details.
#include <fstream>
#include <string>
#include <iostream>
#include <algorithm>
#include "CLI/StringTools.hpp"
namespace CLI {
namespace detail {
/// Internal parsing function
std::vector<std::string> parse_ini(std::istream &input) {
std::string line;
std::string section = "default";
std::vector<std::string> output;
while(getline(input, line)) {
detail::trim(line);
size_t len = line.length();
if(len > 1 && line[0] == '[' && line[len-1] == ']') {
section = line.substr(1,len-2);
std::transform(std::begin(section), std::end(section), std::begin(section), ::tolower);
} else if (len > 0) {
if(section == "default")
output.push_back("--" + line);
else
output.push_back("--" + section + "." + line);
}
}
return output;
}
/// Parse an INI file, throw an error (ParseError:INIParseError or FileError) on failure
std::vector<std::string> parse_ini(const std::string &name) {
std::ifstream input{name};
if(!input.good())
throw FileError(name);
return parse_ini(input);
}
}
}