294 lines
6.3 KiB
C
294 lines
6.3 KiB
C
/*
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* vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
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*/
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#include "e.h"
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typedef struct _E_Mime E_Mime;
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struct _E_Mime
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{
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const char *glob;
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const char *mime;
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};
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/* local subsystem functions */
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static void _e_fm_mime_all_free(void);
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static void _e_fm_mime_update(void);
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static int _e_fm_mime_glob_remove(const char *glob);
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static void _e_fm_mime_mime_types_load(char *file);
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static void _e_fm_mime_shared_mimeinfo_globs_load(char *file);
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static Evas_List *mimes = NULL;
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/* externally accessible functions */
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EAPI const char *
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e_fm_mime_filename_get(const char *fname)
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{
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Evas_List *l;
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E_Mime *mime;
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_e_fm_mime_update();
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/* case senstive match first */
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for (l = mimes; l; l = l->next)
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{
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mime = l->data;
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if (e_util_glob_match(fname, mime->glob))
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{
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mimes = evas_list_remove_list(mimes, l);
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mimes = evas_list_prepend(mimes, mime);
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return mime->mime;
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}
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}
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/* case insenstive match second */
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for (l = mimes; l; l = l->next)
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{
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mime = l->data;
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if (e_util_glob_match(fname, mime->glob))
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{
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mimes = evas_list_remove_list(mimes, l);
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mimes = evas_list_prepend(mimes, mime);
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return mime->mime;
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}
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}
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return NULL;
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}
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/* local subsystem functions */
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static void
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_e_fm_mime_all_free(void)
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{
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E_Mime *mime;
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while (mimes)
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{
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mime = mimes->data;
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mimes = evas_list_remove_list(mimes, mimes);
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evas_stringshare_del(mime->glob);
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evas_stringshare_del(mime->mime);
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free(mime);
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}
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}
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static void
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_e_fm_mime_update(void)
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{
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static double last_t = 0.0, t;
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char buf[4096];
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char *homedir;
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int reload = 0;
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/* load /etc/mime.types
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* load /usr/share/mime/
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*
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* load ~/.mime.types
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* load ~/.local/share/mime/
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*/
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t = ecore_time_get();
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if ((t - last_t) < 1.0) return;
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homedir = e_user_homedir_get();
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if (!homedir) return;
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{
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static time_t last_changed = 0;
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time_t ch;
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snprintf(buf, sizeof(buf), "/etc/mime.types");
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ch = ecore_file_mod_time(buf);
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if ((ch != last_changed) || (reload))
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{
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_e_fm_mime_all_free();
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last_changed = ch;
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_e_fm_mime_mime_types_load(buf);
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reload = 1;
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}
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}
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{
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static time_t last_changed = 0;
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time_t ch;
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snprintf(buf, sizeof(buf), "/usr/share/mime/globs");
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ch = ecore_file_mod_time(buf);
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if ((ch != last_changed) || (reload))
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{
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last_changed = ch;
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_e_fm_mime_shared_mimeinfo_globs_load(buf);
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}
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}
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{
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static time_t last_changed = 0;
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time_t ch;
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snprintf(buf, sizeof(buf), "%s/.mime.types", homedir);
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ch = ecore_file_mod_time(buf);
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if ((ch != last_changed) || (reload))
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{
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last_changed = ch;
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_e_fm_mime_mime_types_load(buf);
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}
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}
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{
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static time_t last_changed = 0;
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time_t ch;
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snprintf(buf, sizeof(buf), "%s/.local/share/mime/globs", homedir);
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ch = ecore_file_mod_time(buf);
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if ((ch != last_changed) || (reload))
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{
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last_changed = ch;
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_e_fm_mime_shared_mimeinfo_globs_load(buf);
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}
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}
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free(homedir);
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}
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static int
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_e_fm_mime_glob_remove(const char *glob)
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{
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Evas_List *l;
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E_Mime *mime;
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for (l = mimes; l; l = l->next)
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{
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mime = l->data;
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if (!strcmp(glob, mime->glob))
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{
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mimes = evas_list_remove_list(mimes, l);
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evas_stringshare_del(mime->glob);
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evas_stringshare_del(mime->mime);
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free(mime);
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return 1;
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}
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}
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return 0;
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}
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static void
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_e_fm_mime_mime_types_load(char *file)
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{
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/* format:
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# type of encoding.
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#
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###############################################################################
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application/msaccess mdb
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application/msword doc dot
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application/news-message-id
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*/
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FILE *f;
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char buf[4096], buf2[4096], mimetype[4096], ext[4096], *p, *pp;
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E_Mime *mime;
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f = fopen(file, "rb");
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if (!f) return;
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while (fgets(buf, sizeof(buf), f))
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{
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p = buf;
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while (isblank(*p) && (*p != 0) && (*p != '\n')) p++;
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if (*p == '#') continue;
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if ((*p == '\n') || (*p == 0)) continue;
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pp = p;
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while (!isblank(*p) && (*p != 0) && (*p != '\n')) p++;
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if ((*p == '\n') || (*p == 0)) continue;
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strncpy(mimetype, pp, (p - pp));
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mimetype[p - pp] = 0;
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do
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{
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while (isblank(*p) && (*p != 0) && (*p != '\n')) p++;
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if ((*p == '\n') || (*p == 0)) break;
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pp = p;
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while (!isblank(*p) && (*p != 0) && (*p != '\n')) p++;
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strncpy(ext, pp, (p - pp));
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ext[p - pp] = 0;
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mime = E_NEW(E_Mime, 1);
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if (mime)
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{
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mime->mime = evas_stringshare_add(mimetype);
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snprintf(buf2, sizeof(buf2), "*.%s", ext);
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mime->glob = evas_stringshare_add(buf2);
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if ((!mime->mime) || (!mime->glob))
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{
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if (mime->mime) evas_stringshare_del(mime->mime);
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if (mime->glob) evas_stringshare_del(mime->glob);
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free(mime);
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}
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else
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{
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_e_fm_mime_glob_remove(buf2);
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mimes = evas_list_append(mimes, mime);
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}
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}
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}
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while ((*p != '\n') && (*p != 0));
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}
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fclose(f);
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}
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static void
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_e_fm_mime_shared_mimeinfo_globs_load(char *file)
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{
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/* format:
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# This file was automatically generated by the
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# update-mime-database command. DO NOT EDIT!
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text/vnd.wap.wml:*.wml
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application/x-7z-compressed:*.7z
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application/vnd.corel-draw:*.cdr
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text/spreadsheet:*.sylk
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*/
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FILE *f;
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char buf[4096], buf2[4096], mimetype[4096], ext[4096], *p, *pp;
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E_Mime *mime;
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f = fopen(file, "rb");
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if (!f) return;
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while (fgets(buf, sizeof(buf), f))
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{
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p = buf;
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while (isblank(*p) && (*p != 0) && (*p != '\n')) p++;
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if (*p == '#') continue;
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if ((*p == '\n') || (*p == 0)) continue;
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pp = p;
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while ((*p != ':') && (*p != 0) && (*p != '\n')) p++;
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if ((*p == '\n') || (*p == 0)) continue;
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strncpy(mimetype, pp, (p - pp));
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mimetype[p - pp] = 0;
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p++;
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pp = ext;
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while ((*p != 0) && (*p != '\n'))
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{
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*pp = *p;
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pp++;
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p++;
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}
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*pp = 0;
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mime = E_NEW(E_Mime, 1);
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if (mime)
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{
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mime->mime = evas_stringshare_add(mimetype);
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snprintf(buf2, sizeof(buf2), "*.%s", ext);
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mime->glob = evas_stringshare_add(buf2);
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if ((!mime->mime) || (!mime->glob))
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{
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if (mime->mime) evas_stringshare_del(mime->mime);
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if (mime->glob) evas_stringshare_del(mime->glob);
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free(mime);
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}
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else
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{
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_e_fm_mime_glob_remove(buf2);
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mimes = evas_list_append(mimes, mime);
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}
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}
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}
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fclose(f);
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}
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