From 8e6f1ddf42a8fe5a01bb0f2f20106603c580617d Mon Sep 17 00:00:00 2001
From: John Mark Bell <jmb@netsurf-browser.org>
Date: Wed, 27 Jul 2005 15:31:48 +0000
Subject: [project @ 2005-07-27 15:31:48 by jmb] Reinstate internal table. We
 check this first, and then ask MimeMap if we find nothing (Note that the file
 extension behaviour is retained, wherever the MIME type is looked for)

svn path=/import/netsurf/; revision=1826
---
 riscos/filetype.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/riscos/filetype.c b/riscos/filetype.c
index 9ff9b0df2..b881bd3a2 100644
--- a/riscos/filetype.c
+++ b/riscos/filetype.c
@@ -17,9 +17,32 @@
 #include "netsurf/utils/log.h"
 #include "netsurf/utils/utils.h"
 
+/* type_map must be in sorted order by file_type */
+struct type_entry {
+	bits file_type;
+	char mime_type[40];
+};
+static const struct type_entry type_map[] = {
+        {0x188, "application/x-shockwave-flash"},
+	{0x695, "image/gif"},
+	{0xaff, "image/x-drawfile"},
+	{0xb60, "image/png"},
+	{0xc85, "image/jpeg"},
+	{0xf78, "image/jng"},
+	{0xf79, "text/css"},
+	{0xf83, "image/mng"},
+	{0xfaf, "text/html"},
+	{0xff9, "image/x-riscos-sprite"},
+	{0xfff, "text/plain"},
+};
+#define TYPE_MAP_COUNT (sizeof(type_map) / sizeof(type_map[0]))
+
 #define BUF_SIZE (256)
 static char type_buf[BUF_SIZE];
 
+
+static int cmp_type(const void *x, const void *y);
+
 /**
  * Determine the MIME type of a local file.
  *
@@ -29,6 +52,7 @@ static char type_buf[BUF_SIZE];
  */
 const char *fetch_filetype(const char *unix_path)
 {
+	struct type_entry *t;
 	unsigned int len = strlen(unix_path) + 100;
 	char *path = calloc(len, 1);
 	char *r, *slash;
@@ -75,6 +99,16 @@ const char *fetch_filetype(const char *unix_path)
 		}
 	}
 
+	/* search for MIME type in our internal table */
+	t = bsearch(&file_type, type_map, TYPE_MAP_COUNT,
+				sizeof(type_map[0]), cmp_type);
+	if (t) {
+		/* found, so return it */
+		free(path);
+		return t->mime_type;
+	}
+
+	/* not in internal table, so ask MimeMap */
 	error = xmimemaptranslate_filetype_to_mime_type(file_type, type_buf);
 	if (error) {
 		LOG(("0x%x %s", error->errnum, error->errmess));
@@ -155,6 +189,16 @@ char *fetch_mimetype(const char *ro_path)
 	return mime;
 }
 
+/**
+ * Comparison function for bsearch
+ */
+int cmp_type(const void *x, const void *y)
+{
+	const bits *p = x;
+	const struct type_entry *q = y;
+	return *p < q->file_type ? -1 : (*p == q->file_type ? 0 : +1);
+}
+
 /**
  * Determine the RISC OS filetype for a content.
  *
-- 
cgit v1.2.3