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

2 files changed, 48 insertions, 5 deletions

diff --git a/net/SConscript b/net/SConscript
index 519d5ea..7b5c187 100644
--- a/net/SConscript
+++ b/net/SConscript
@@ -43,6 +43,7 @@ input_files = [
     'base/gzip_header.cc',
     'base/host_resolver.cc',
     'base/mime_sniffer.cc',
+    'base/mime_util.cc',
     'base/net_errors.cc',
     'base/net_module.cc',
     'base/net_util.cc',
@@ -84,7 +85,6 @@ if env['PLATFORM'] == 'win32':
       'base/directory_lister.cc',
       'base/dns_resolution_observer.cc',
       'base/listen_socket.cc',
-      'base/mime_util.cc',
       'base/ssl_client_socket.cc',
       'base/ssl_config_service.cc',
       'base/tcp_client_socket.cc',
@@ -128,11 +128,15 @@ if env['PLATFORM'] == 'darwin':
       'base/platform_mime_util_mac.cc',
   ])
 
+if env['PLATFORM'] == 'posix':
+  input_files.extend([
+      # TODO(tc): gnome-vfs? xdgmime? /etc/mime.types?
+      'base/platform_mime_util_linux.cc',
+  ])
+
 if env['PLATFORM'] in ('darwin', 'posix'):
   input_files.extend([
       'base/net_util_posix.cc',
-      # TODO(tc): gnome-vfs? xdgmime? /etc/mime.types?
-      #'base/platform_mime_util_linux.cc,
       'disk_cache/cache_util_posix.cc',
       'disk_cache/file_posix.cc',
       'disk_cache/mapped_file_posix.cc',
@@ -214,6 +218,7 @@ unittest_files = [
     'base/gzip_filter_unittest.cc',
     'base/host_resolver_unittest.cc',
     'base/mime_sniffer_unittest.cc',
+    'base/mime_util_unittest.cc',
     'base/net_util_unittest.cc',
     'base/registry_controlled_domain_unittest.cc',
     'base/run_all_unittests.cc',
@@ -233,7 +238,6 @@ if env['PLATFORM'] == 'win32':
   unittest_files.extend([
       'base/cookie_policy_unittest.cc',
       'base/directory_lister_unittest.cc',
-      'base/mime_util_unittest.cc',
       'base/ssl_config_service_unittest.cc',
       'base/ssl_client_socket_unittest.cc',
       'base/tcp_client_socket_unittest.cc',
@@ -325,4 +329,3 @@ if env['PLATFORM'] == 'win32':
 else:
   icudata = '../icudt38l.dat'
 env.Alias('net', ['.', installed_tests, icudata])
-
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