commit - c07ac9967137c45b2019bf763346346539b48d98
commit + 748b15facbb42406a4fe72cfa4de2e72f005492e
blob - /dev/null
blob + 41a108da42b5eecce78b047c15f77978f6fa2a86 (mode 644)
--- /dev/null
+++ mime.c
+/*
+ * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "telescope.h"
+
+#include <ctype.h>
+#include <fnmatch.h>
+#include <string.h>
+
+static int check_for_utf8(char*);
+
+static struct parser_table {
+ const char *mediatype;
+ void (*parserinit)(struct parser*);
+} ptable[] = {
+ { "text/gemini", gemtext_initparser },
+ /* { "text\n/ *", textplain_initparser } */
+ { NULL, NULL}
+};
+
+static int
+check_for_utf8(char *b)
+{
+ for (;;) {
+ while (*b != '\0' && isspace(*b))
+ b++;
+ if (*b == '\0')
+ break;
+ if (!has_prefix(b, "charset=")) {
+ while (*b != '\0' && *b != ';')
+ b++;
+ if (*b == '\0')
+ break;
+ b++;
+ continue;
+ }
+
+ /* is charset= */
+ b += strlen("charset=");
+ /* TODO: improve the matching */
+ return has_prefix(b, "ASCII") || has_prefix(b, "ascii") ||
+ has_prefix(b, "UTF-8") || has_prefix(b, "utf-8");
+ }
+
+ return 1;
+}
+
+int
+setup_parser_for(struct tab *tab)
+{
+ char *b, buf[GEMINI_URL_LEN] = {0};
+ struct parser_table *t;
+
+ memcpy(buf, tab->meta, sizeof(tab->meta));
+
+ for (b = buf; *b != ';' && *b != '\0'; ++b)
+ ;
+
+ if (*b == ';') {
+ *b = '\0';
+ ++b;
+ }
+
+ if (!check_for_utf8(b))
+ return 0;
+
+ for (t = ptable; t->mediatype != NULL; ++t) {
+ if (!fnmatch(t->mediatype, buf, 0)) {
+ t->parserinit(&tab->page);
+ return 1;
+ }
+ }
+
+ return 0;
+}