blob: fcb153e3de9f294f422408b1876abe3be21ba8d0 (
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
|
#ifndef WANDA_MAGIC_HPP
#define WANDA_MAGIC_HPP
#include <magic.h>
#include <filesystem>
#include <memory>
#include <string>
#include <type_traits>
namespace wanda
{
struct magic
{
struct closer
{
auto operator()(magic_t handle) const noexcept -> void
{
magic_close(handle);
}
};
enum struct mime_type
{
unknown,
image_jpeg,
image_png,
};
magic()
: m_handle{magic_open(MAGIC_MIME_TYPE)}
{
magic_load(m_handle.get(), nullptr);
}
auto type(std::filesystem::path path) -> mime_type
{
auto magic_type = std::string{magic_file(m_handle.get(), path.native().c_str())};
if (magic_type == "image/jpeg")
{
return mime_type::image_jpeg;
}
else if (magic_type == "image/png")
{
return mime_type::image_png;
}
return mime_type::unknown;
}
private:
std::unique_ptr<std::remove_pointer_t<magic_t>, closer> m_handle;
};
} // namespace wanda
#endif
|
