1/* copyright (c) 2022 - 2025 grunfink et al. / MIT license */
 2
 3#ifndef _XS_MIME_H
 4
 5#define _XS_MIME_H
 6
 7const char *xs_mime_by_ext(const char *file);
 8
 9extern const char *xs_mime_types[];
10
11#ifdef XS_IMPLEMENTATION
12
13/* intentionally brain-dead simple */
14/* CAUTION: sorted by extension */
15
16const char *xs_mime_types[] = {
17    "3gp",      "video/3gpp",
18    "aac",      "audio/aac",
19    "avif",     "image/avif",
20    "css",      "text/css",
21    "flac",     "audio/flac",
22    "flv",      "video/flv",
23    "gif",      "image/gif",
24    "gmi",      "text/gemini",
25    "html",     "text/html",
26    "jpeg",     "image/jpeg",
27    "jpg",      "image/jpeg",
28    "json",     "application/json",
29    "m4a",      "audio/aac",
30    "m4v",      "video/mp4",
31    "md",       "text/markdown",
32    "mov",      "video/quicktime",
33    "mp3",      "audio/mp3",
34    "mp4",      "video/mp4",
35    "mpg4",     "video/mp4",
36    "oga",      "audio/ogg",
37    "ogg",      "audio/ogg",
38    "ogv",      "video/ogg",
39    "opus",     "audio/ogg",
40    "png",      "image/png",
41    "svg",      "image/svg+xml",
42    "svgz",     "image/svg+xml",
43    "txt",      "text/plain",
44    "wav",      "audio/wav",
45    "webm",     "video/webm",
46    "webp",     "image/webp",
47    "wma",      "audio/wma",
48    "xml",      "text/xml",
49    NULL,       NULL,
50};
51
52
53const char *xs_mime_by_ext(const char *file)
54/* returns the MIME type by file extension */
55{
56    const char *ext = strrchr(file, '.');
57
58    if (ext) {
59        xs *uext = xs_tolower_i(xs_dup(ext + 1));
60        int b = 0;
61        int t = xs_countof(xs_mime_types) / 2 - 2;
62
63        while (t >= b) {
64            int n = (b + t) / 2;
65            const char *p = xs_mime_types[n * 2];
66
67            int c = strcmp(uext, p);
68
69            if (c < 0)
70                t = n - 1;
71            else
72            if (c > 0)
73                b = n + 1;
74            else
75                return xs_mime_types[(n * 2) + 1];
76        }
77    }
78
79    return "application/octet-stream";
80}
81
82
83#endif /* XS_IMPLEMENTATION */
84
85#endif /* XS_MIME_H */