Get MIME stuff working minimally to the point where we have

unit tests passing.

B=1315
Review URL: http://codereview.chromium.org/1824

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@1866 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 40 insertions, 0 deletions

diff --git a/net/base/platform_mime_util_linux.cc b/net/base/platform_mime_util_linux.cc
new file mode 100644
index 0000000..1d7dccc
--- /dev/null
+++ b/net/base/platform_mime_util_linux.cc
@@ -0,0 +1,40 @@
+// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <string>
+
+#include "net/base/platform_mime_util.h"
+
+namespace net {
+
+bool PlatformMimeUtil::GetPlatformMimeTypeFromExtension(
+    const std::wstring& ext, std::string* result) const {
+  // The correct thing to do is to interact somehow with the freedesktop shared
+  // mime info cache. Since Linux (and other traditional *IX systems) don't use
+  // file extensions; they use mime types and have multiple ways of detecting
+  // that; some types can be guessed from globs (*.gif), but there's a whole
+  // bunch that use a magic byte test.
+  //
+  // Since this method only is called from inside mime_util where there is
+  // already a hard coded table of mime types, we just return false because it
+  // doesn't matter.
+
+  return false;
+}
+
+bool PlatformMimeUtil::GetPreferredExtensionForMimeType(
+    const std::string& mime_type, std::wstring* ext) const {
+  // Unlike GetPlatformMimeTypeFromExtension, this method doesn't have a
+  // default list that it uses, but for now we are also returning false since
+  // this doesn't really matter as much under Linux.
+  //
+  // If we wanted to do this properly, we would read the mime.cache file which
+  // has a section where they assign a glob (*.gif) to a mimetype
+  // (image/gif). We look up the "heaviest" glob for a certain mime type and
+  // then then try to chop off "*.".
+
+  return false;
+}
+
+}  // namespace net