1/* copyright (c) 2022 - 2026 grunfink et al. / MIT license */
 2
 3#ifndef _XS_MIME_H
 4
 5#define _XS_MIME_H
 6
 7#include "xs.h"
 8
 9const char *xs_mime_by_ext(const char *file);
10
11extern const char *xs_mime_types[];
12
13#ifdef XS_IMPLEMENTATION
14
15/* intentionally brain-dead simple */
16/* CAUTION: sorted by extension */
17
18const char *xs_mime_types[] = {
19    "3gp",      "video/3gpp",
20    "aac",      "audio/aac",
21    "apng",     "image/apng",
22    "avif",     "image/avif",
23    "css",      "text/css",
24    "flac",     "audio/flac",
25    "flv",      "video/flv",
26    "gif",      "image/gif",
27    "gmi",      "text/gemini",
28    "html",     "text/html",
29    "jpeg",     "image/jpeg",
30    "jpg",      "image/jpeg",
31    "json",     "application/json",
32    "m4a",      "audio/aac",
33    "m4v",      "video/mp4",
34    "md",       "text/markdown",
35    "mov",      "video/quicktime",
36    "mp3",      "audio/mp3",
37    "mp4",      "video/mp4",
38    "mpg4",     "video/mp4",
39    "oga",      "audio/ogg",
40    "ogg",      "audio/ogg",
41    "ogv",      "video/ogg",
42    "opus",     "audio/ogg",
43    "png",      "image/png",
44    "svg",      "image/svg+xml",
45    "svgz",     "image/svg+xml",
46    "txt",      "text/plain",
47    "wav",      "audio/wav",
48    "webm",     "video/webm",
49    "webp",     "image/webp",
50    "wma",      "audio/wma",
51    "xml",      "text/xml",
52    NULL,       NULL,
53};
54
55
56const char *xs_mime_by_ext(const char *file)
57/* returns the MIME type by file extension */
58{
59    const char *ext = strrchr(file, '.');
60
61    if (ext) {
62        xs *uext = xs_tolower_i(xs_dup(ext + 1));
63        int b = 0;
64        int t = xs_countof(xs_mime_types) / 2 - 2;
65
66        while (t >= b) {
67            int n = (b + t) / 2;
68            const char *p = xs_mime_types[n * 2];
69
70            int c = strcmp(uext, p);
71
72            if (c < 0)
73                t = n - 1;
74            else
75            if (c > 0)
76                b = n + 1;
77            else
78                return xs_mime_types[(n * 2) + 1];
79        }
80    }
81
82    return "application/octet-stream";
83}
84
85
86#endif /* XS_IMPLEMENTATION */
87
88#endif /* XS_MIME_H */