int_list_parser.cpp 1.75 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
/*******************************************************************************
 * Copyright 2019 UChicago Argonne, LLC.
 * (c.f. AUTHORS, LICENSE)
 *
 * This file is part of the Argo containers project.
 * For more info, see https://xgitlab.cels.anl.gov/argo/containers
 *
 * SPDX-License-Identifier: BSD-3-Clause
*******************************************************************************/

Swann Perarnau's avatar
Swann Perarnau committed
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
#include "int_list_parser.hpp"
#include "utils.hpp"
#include <cstdlib>
#include <algorithm>


Int_list_parser::Int_list_parser():
	_has_stride(false)
{
}

void Int_list_parser::expand_range(const string& input, vector<int>& out)
{
	vector<string> tokens;
	int stride = 1;
	split(input, '-', tokens);

	THROW_ON_BAD_INPUT_IF(!is_int(tokens[0]),
				"Ill-formed input; non-integer encountered while expanding a range");

	int start = atoi(tokens[0].c_str());
	string str_end = tokens[1];
	tokens.clear();
	split(str_end, 's', tokens);

	THROW_ON_BAD_INPUT_IF(!is_int(tokens[0]),
				"Ill-formed input; non-integer encountered while expanding a range");
	int end = atoi(tokens[0].c_str());
	if(tokens.size() == 2)
	{
		_has_stride = true;
		stride = atoi(tokens[1].c_str());	
	}

	for(int i=start; i<=end; i+=stride)
		out.push_back(i);
}

void Int_list_parser::convert_to_comprehensive(const string& input, 
		vector<int>& out, bool append)
{
	if(!append)
		out.clear();
	_has_stride = false;
	vector<string> tokens;
	split(input, ',', tokens);
	out.clear();
	for(int i=0; i< (int)tokens.size(); i++)
	{
		if(str_contains(tokens[i], "-"))
			expand_range(tokens[i], out);
		else
		{
			THROW_ON_BAD_INPUT_IF(!is_int(tokens[i]),
					"Ill-formed input; non-integer encountered while expanding a range");
			out.push_back(atoi(tokens[i].c_str()));
		}
	}
	std::sort(out.begin(), out.end());
}