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    "apng",     "image/apng",
20    "avif",     "image/avif",
21    "css",      "text/css",
22    "flac",     "audio/flac",
23    "flv",      "video/flv",
24    "gif",      "image/gif",
25    "gmi",      "text/gemini",
26    "html",     "text/html",
27    "jpeg",     "image/jpeg",
28    "jpg",      "image/jpeg",
29    "json",     "application/json",
30    "m4a",      "audio/aac",
31    "m4v",      "video/mp4",
32    "md",       "text/markdown",
33    "mov",      "video/quicktime",
34    "mp3",      "audio/mp3",
35    "mp4",      "video/mp4",
36    "mpg4",     "video/mp4",
37    "oga",      "audio/ogg",
38    "ogg",      "audio/ogg",
39    "ogv",      "video/ogg",
40    "opus",     "audio/ogg",
41    "png",      "image/png",
42    "svg",      "image/svg+xml",
43    "svgz",     "image/svg+xml",
44    "txt",      "text/plain",
45    "wav",      "audio/wav",
46    "webm",     "video/webm",
47    "webp",     "image/webp",
48    "wma",      "audio/wma",
49    "xml",      "text/xml",
50    NULL,       NULL,
51};
52
53
54const char *xs_mime_by_ext(const char *file)
55/* returns the MIME type by file extension */
56{
57    const char *ext = strrchr(file, '.');
58
59    if (ext) {
60        xs *uext = xs_tolower_i(xs_dup(ext + 1));
61        int b = 0;
62        int t = xs_countof(xs_mime_types) / 2 - 2;
63
64        while (t >= b) {
65            int n = (b + t) / 2;
66            const char *p = xs_mime_types[n * 2];
67
68            int c = strcmp(uext, p);
69
70            if (c < 0)
71                t = n - 1;
72            else
73            if (c > 0)
74                b = n + 1;
75            else
76                return xs_mime_types[(n * 2) + 1];
77        }
78    }
79
80    return "application/octet-stream";
81}
82
83
84#endif /* XS_IMPLEMENTATION */
85
86#endif /* XS_MIME_H */