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authorDaniel Silverstone <dsilvers@netsurf-browser.org>2011-03-12 15:08:07 +0000
committerDaniel Silverstone <dsilvers@netsurf-browser.org>2011-03-12 15:08:07 +0000
commit7e85d15cb61229e9ba1b4a0f1f6c4ab19d436ac7 (patch)
tree11fdcefc8f297484d5729c3597082dcea5073d82 /monkey/filetype.c
parente406481623ce9c2ef4a66fea5ed8481ac31f0aa8 (diff)
downloadnetsurf-7e85d15cb61229e9ba1b4a0f1f6c4ab19d436ac7.tar.gz
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Add a deaf monkey frontend. TODO: Make it listen
svn path=/trunk/netsurf/; revision=11968
Diffstat (limited to 'monkey/filetype.c')
-rw-r--r--monkey/filetype.c227
1 files changed, 227 insertions, 0 deletions
diff --git a/monkey/filetype.c b/monkey/filetype.c
new file mode 100644
index 000000000..f89f2358c
--- /dev/null
+++ b/monkey/filetype.c
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+/*
+ * Copyright 2007 Rob Kendrick <rjek@netsurf-browser.org>
+ * Copyright 2007 Vincent Sanders <vince@debian.org>
+ *
+ * This file is part of NetSurf, http://www.netsurf-browser.org/
+ *
+ * NetSurf is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * NetSurf is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdio.h>
+#include <stdbool.h>
+#include <string.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include "gtk/filetype.h"
+#include "content/fetch.h"
+#include "utils/log.h"
+#include "utils/hashtable.h"
+
+static struct hash_table *mime_hash = NULL;
+
+void gtk_fetch_filetype_init(const char *mimefile)
+{
+ struct stat statbuf;
+ FILE *fh = NULL;
+
+ mime_hash = hash_create(117);
+
+ /* first, check to see if /etc/mime.types in preference */
+
+ if ((stat("/etc/mime.types", &statbuf) == 0) &&
+ S_ISREG(statbuf.st_mode)) {
+ mimefile = "/etc/mime.types";
+
+ }
+
+ fh = fopen(mimefile, "r");
+
+ /* Some OSes (mentioning no Solarises) have a worthlessly tiny
+ * /etc/mime.types that don't include essential things, so we
+ * pre-seed our hash with the essentials. These will get
+ * over-ridden if they are mentioned in the mime.types file.
+ */
+
+ hash_add(mime_hash, "css", "text/css");
+ hash_add(mime_hash, "htm", "text/html");
+ hash_add(mime_hash, "html", "text/html");
+ hash_add(mime_hash, "jpg", "image/jpeg");
+ hash_add(mime_hash, "jpeg", "image/jpeg");
+ hash_add(mime_hash, "gif", "image/gif");
+ hash_add(mime_hash, "png", "image/png");
+ hash_add(mime_hash, "jng", "image/jng");
+ hash_add(mime_hash, "mng", "image/mng");
+ hash_add(mime_hash, "webp", "image/webp");
+ hash_add(mime_hash, "spr", "image/x-riscos-sprite");
+
+ if (fh == NULL) {
+ LOG(("Unable to open a mime.types file, so using a minimal one for you."));
+ return;
+ }
+
+ while (!feof(fh)) {
+ char line[256], *ptr, *type, *ext;
+ if (fgets(line, 256, fh) == NULL)
+ break;
+ if (!feof(fh) && line[0] != '#') {
+ ptr = line;
+
+ /* search for the first non-whitespace character */
+ while (isspace(*ptr))
+ ptr++;
+
+ /* is this line empty other than leading whitespace? */
+ if (*ptr == '\n' || *ptr == '\0')
+ continue;
+
+ type = ptr;
+
+ /* search for the first non-whitespace char or NUL or
+ * NL */
+ while (*ptr && (!isspace(*ptr)) && *ptr != '\n')
+ ptr++;
+
+ if (*ptr == '\0' || *ptr == '\n') {
+ /* this mimetype has no extensions - read next
+ * line.
+ */
+ continue;
+ }
+
+ *ptr++ = '\0';
+
+ /* search for the first non-whitespace character which
+ * will be the first filename extenion */
+ while (isspace(*ptr))
+ ptr++;
+
+ while(true) {
+ ext = ptr;
+
+ /* search for the first whitespace char or
+ * NUL or NL which is the end of the ext.
+ */
+ while (*ptr && (!isspace(*ptr)) &&
+ *ptr != '\n')
+ ptr++;
+
+ if (*ptr == '\0' || *ptr == '\n') {
+ /* special case for last extension on
+ * the line
+ */
+ *ptr = '\0';
+ hash_add(mime_hash, ext, type);
+ break;
+ }
+
+ *ptr++ = '\0';
+ hash_add(mime_hash, ext, type);
+
+ /* search for the first non-whitespace char or
+ * NUL or NL, to find start of next ext.
+ */
+ while (*ptr && (isspace(*ptr)) && *ptr != '\n')
+ ptr++;
+ }
+ }
+ }
+
+ fclose(fh);
+}
+
+void gtk_fetch_filetype_fin(void)
+{
+ hash_destroy(mime_hash);
+}
+
+const char *fetch_filetype(const char *unix_path)
+{
+ struct stat statbuf;
+ char *ext;
+ const char *ptr;
+ char *lowerchar;
+ const char *type;
+ int l;
+
+ stat(unix_path, &statbuf);
+ if (S_ISDIR(statbuf.st_mode))
+ return "application/x-netsurf-directory";
+
+ l = strlen(unix_path);
+ if ((3 < l) && (strcasecmp(unix_path + l - 4, ",f79") == 0)) {
+ return "text/css";
+ }
+
+ if (strchr(unix_path, '.') == NULL) {
+ /* no extension anywhere! */
+ return "text/plain";
+ }
+
+ ptr = unix_path + strlen(unix_path);
+ while (*ptr != '.' && *ptr != '/')
+ ptr--;
+
+ if (*ptr != '.')
+ return "text/plain";
+
+ ext = strdup(ptr + 1); /* skip the . */
+
+ /* the hash table only contains lower-case versions - make sure this
+ * copy is lower case too.
+ */
+ lowerchar = ext;
+ while(*lowerchar) {
+ *lowerchar = tolower(*lowerchar);
+ lowerchar++;
+ }
+
+ type = hash_get(mime_hash, ext);
+ free(ext);
+
+ return type != NULL ? type : "text/plain";
+}
+
+char *fetch_mimetype(const char *unix_path)
+{
+ return strdup(fetch_filetype(unix_path));
+}
+
+#ifdef TEST_RIG
+
+int main(int argc, char *argv[])
+{
+ unsigned int c1, *c2;
+ const char *key;
+
+ gtk_fetch_filetype_init("./mime.types");
+
+ c1 = 0; c2 = 0;
+
+ while ( (key = hash_iterate(mime_hash, &c1, &c2)) != NULL) {
+ printf("%s ", key);
+ }
+
+ printf("\n");
+
+ if (argc > 1) {
+ printf("%s maps to %s\n", argv[1], fetch_filetype(argv[1]));
+ }
+
+ gtk_fetch_filetype_fin();
+}
+
+#endif