Simple Cache: DoomEntriesBetween()

net/disk_cache/simple/simple_util.h

 // Copyright (c) 2013 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 NET_DISK_CACHE_SIMPLE_SIMPLE_UTIL_H_
 #define NET_DISK_CACHE_SIMPLE_SIMPLE_UTIL_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 20 matching lines @@
     const std::string& hash_key,
     uint64* hash_key_out);
 
 // Given a |key| for a (potential) entry in the simple backend and the |index|
 // of a stream on that entry, returns the filename in which that stream would be
 // stored.
 NET_EXPORT_PRIVATE std::string GetFilenameFromKeyAndIndex(
     const std::string& key,
     int index);
 
-// Given the size of a file holding a stream in the simple backend and the size
-// of the key to an entry, returns the number of bytes in the stream.
+// Same as |GetFilenameFromKeyAndIndex| above, but using a hex string.
+std::string GetFilenameFromHexStringAndIndex(const std::string& hex_key,
+                                             int index);
+
+// Given the size of a file holding a stream in the simple backend and the key
+// to an entry, returns the number of bytes in the stream.
 int32 GetDataSizeFromKeyAndFileSize(const std::string& key,
                                     int64 file_size);
 
-// Given the size of a stream in the simple backend and the size of the key to
-// an entry, returns the number of bytes in the file.
+// Given the size of a stream in the simple backend and the key to an entry,
+// returns the number of bytes in the file.
 int64 GetFileSizeFromKeyAndDataSize(const std::string& key,
                                     int32 data_size);
 
-// Given the size of a key to an entry, and an offset into a stream on that
-// entry, returns the file offset corresponding to |data_offset|.
+// Given the key to an entry, and an offset into a stream on that entry, returns
+// the file offset corresponding to |data_offset|.
 int64 GetFileOffsetFromKeyAndDataOffset(const std::string& key,
                                         int data_offset);
 
 }  // namespace simple_backend
 
 }  // namespace disk_cache
 
 #endif  // NET_DISK_CACHE_SIMPLE_SIMPLE_UTIL_H_