Check for supported schemes and methods.

webkit/appcache/appcache_interfaces.h

 // 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.
 
 #ifndef WEBKIT_APPCACHE_APPCACHE_INTERFACES_H_
 #define WEBKIT_APPCACHE_APPCACHE_INTERFACES_H_
 
+#include <string>
 #include <vector>
 #include "base/basictypes.h"
 
 class GURL;
+class URLRequest;
 
 namespace appcache {
 
 // Defines constants, types, and abstract classes used in the main
 // process and in child processes.
 
 static const int kNoHostId = 0;
 static const int64 kNoCacheId = 0;
 static const int64 kUnknownCacheId = -1;
 
@@ skipping 41 matching lines @@
                            const GURL& manifest_url) = 0;
   virtual void MarkAsForeignEntry(int host_id, const GURL& document_url,
                                   int64 cache_document_was_loaded_from) = 0;
   virtual Status GetStatus(int host_id) = 0;
   virtual bool StartUpdate(int host_id) = 0;
   virtual bool SwapCache(int host_id) = 0;
 
   virtual ~AppCacheBackend() {}
 };
 
+// Useful string constants.
+// Note: These are also defined elsewhere in the chrome code base in
+// url_contants.h .cc, however the appcache library doesn't not have
+// any dependencies on the chrome library, so we can't use them in here.
+extern const char kHttpScheme[];
+extern const char kHttpsScheme[];
+extern const char kHttpGETMethod[];
+extern const char kHttpHEADMethod[];
+
+bool IsSchemeSupported(const GURL& url);
+bool IsMethodSupported(const std::string& method);
+bool IsSchemeAndMethodSupported(const URLRequest* request);
+
 }  // namespace
 
 #endif  // WEBKIT_APPCACHE_APPCACHE_INTERFACES_H_