Adding a new parsing system to the metadata url request.

BUG=none
TEST=none
Original review: http://codereview.chromium.org/155803
Patch by: dhg@google.com

Review URL: http://codereview.chromium.org/160059

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@21469 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 27 insertions, 0 deletions

diff --git a/chrome/browser/parsers/metadata_parser_factory.h b/chrome/browser/parsers/metadata_parser_factory.h
new file mode 100644
index 0000000..c42e01d
--- /dev/null
+++ b/chrome/browser/parsers/metadata_parser_factory.h
@@ -0,0 +1,27 @@
+// Copyright (c) 2009 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.
+
+#ifndef CHROME_BROWSER_METADATA_PARSER_FACTORY_H_
+#define CHROME_BROWSER_METADATA_PARSER_FACTORY_H_
+
+#include "chrome/browser/parsers/metadata_parser.h"
+
+// Used to check to see if a parser can parse a particular file, and allows
+// for creation of a parser on a particular file.
+class MetadataParserFactory {
+ public:
+  MetadataParserFactory() {}
+
+  // Used to check to see if the parser can parse the given file. This
+  // should not do any additional reading of the file.
+  virtual bool CanParse(const FilePath& path,
+                        char* bytes,
+                        int bytes_size) = 0;
+
+  // Creates the parser on the given file.  Creating the parser does not
+  // do any parsing on the file.  Parse has to be called on the parser.
+  virtual MetadataParser* CreateParser(const FilePath& path) = 0;
+};
+
+#endif  // CHROME_BROWSER_METADATA_PARSER_FACTORY_H_