graphs/cpp/directories_infos/read_info.cc


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

#include "read_info.hh"

#include <sstream>

#include "directory_info.hh"

DirectoryInfo read_info(std::istream& stream)
{
    if (stream.eof())
    {
        return DirectoryInfo{};
    }
    std::string l;
    std::getline(stream, l);
    std::istringstream line{ l };
    std::string name;
    size_t size;
    uint16_t rights;
    std::string owner;
    if (!(line >> name))
    {
        return DirectoryInfo{};
    }
    if (!(line >> size))
    {
        return DirectoryInfo{};
    }
    if (!(line >> std::oct >> rights >> std::dec))
    {
        return DirectoryInfo{};
    }
    if (!(line >> owner))
    {
        return DirectoryInfo{};
    }
    if (line.eof())
        return DirectoryInfo{ name, size, rights, owner };
    return DirectoryInfo{};
}