1 files changed, 109 insertions, 0 deletions
diff --git a/src/icon.c b/src/icon.c
new file mode 100644
index 0000000..cd77968
--- /dev/null
+++ b/src/icon.c
@@ -0,0 +1,109 @@
+#include <stdlib.h>
+#include <fnmatch.h>
+#include <string.h>
+#include "fileserv.h"
+
+typedef TAILQ_HEAD(icon_list,icon) ICON_LIST;
+
+static void
+add_icon(ICON_LIST *lst, char const *type, char const *src, char const *alt)
+{
+	ICON *icon;
+
+	icon = xcalloc(1, sizeof(icon[0]));
+	icon->name = xstrdup(type);
+	icon->src = xstrdup(src);
+	icon->alt = alt ? xstrdup(alt) : NULL;
+
+	TAILQ_INSERT_TAIL(lst, icon, link);
+}
+
+static ICON_LIST mime_icon_list = TAILQ_HEAD_INITIALIZER(mime_icon_list);
+
+ICON const *
+icon_by_mime(char const *type)
+{
+	ICON *icon;
+	
+	TAILQ_FOREACH(icon, &mime_icon_list, link) {
+		if (fnmatch(icon->name, type, 0) == 0)
+			return icon;
+	}
+	return NULL;
+}
+
+void
+add_icon_by_mime(char const *type, char const *src, char const *alt)
+{
+	return add_icon(&mime_icon_list, type, src, alt);
+}
+
+static ICON_LIST suf_icon_list = TAILQ_HEAD_INITIALIZER(suf_icon_list);
+
+void
+add_icon_by_name(char const *name, char const *src, char const *alt)
+{
+	ICON *icon, *cur;
+	size_t len, i;
+	
+	icon = xcalloc(1, sizeof(icon[0]));
+	len = strlen(name);
+	icon->name = xmalloc(len + 1);
+	for (i = 0; i < len; i++)
+		icon->name[i] = name[len-i-1];
+	icon->name[i] = 0;
+	icon->src = xstrdup(src);
+	icon->alt = alt ? xstrdup(alt) : NULL;
+
+	TAILQ_FOREACH(cur, &suf_icon_list, link) {
+		if (strlen(cur->name) < len) {
+			TAILQ_INSERT_BEFORE(cur, icon, link);
+			return;
+		}
+	}
+	TAILQ_INSERT_TAIL(&suf_icon_list, icon, link);
+}
+
+static int
+sufcmp(char const *suf, char const *end, char const *beg)
+{
+	while (*suf) {
+		if (end == beg || *suf++ != *--end)
+			return 1;
+	}
+	return 0;
+}
+
+ICON const *
+icon_by_name(char const *name)
+{
+	ICON *icon;
+	char const *end = name + strlen(name);
+	
+	TAILQ_FOREACH(icon, &suf_icon_list, link) {
+		if (sufcmp(icon->name, end, name) == 0)
+			return icon;
+	}
+	return NULL;
+}
+
+static ICON_LIST type_icon_list = TAILQ_HEAD_INITIALIZER(type_icon_list);
+
+ICON const *
+icon_by_type(char const *type)
+{
+	ICON *icon;
+	
+	TAILQ_FOREACH(icon, &type_icon_list, link) {
+		if (strcmp(icon->name, type) == 0)
+			return icon;
+	}
+	return NULL;
+}
+
+void
+add_icon_by_type(char const *name, char const *src, char const *alt)
+{
+	return add_icon(&type_icon_list, name, src, alt);
+}
+