chrome/browser/sync_file_system/drive_backend/metadata_db_migration_util.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_METADATA_DB_MIGRATION_UTIL_H_
   6 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_METADATA_DB_MIGRATION_UTIL_H_
   7
   8 #include <string>
   9
  10 #include "chrome/browser/sync_file_system/sync_file_system.pb.h"
  11 #include "chrome/browser/sync_file_system/sync_status_code.h"
  12 #include "third_party/leveldatabase/src/include/leveldb/db.h"
  13
  14 class GURL;
  15
  16 namespace sync_file_system {
  17 namespace drive_backend {
  18
  19 // Parses a filesystem URL which contains 'drive' as a service name
  20 // (a.k.a. V0-format filesystem URL).
  21 //
  22 // When you parse V0-format filesystem URL, you should use this function instead
  23 // of DeserializeSyncableFileSystemURL() since 'drive' service name is no longer
  24 // used and the deserializer cannot parse the unregistered service name.
  25 //
  26 // EXAMPLE:
  27 // Assume following argument is given.
  28 //   url: 'filesystem:http://www.example.com/external/drive/foo/bar'
  29 // returns
  30 //   origin: 'http://www.example.com/'
  31 //   path:   'foo/bar'
  32 bool ParseV0FormatFileSystemURL(const GURL& url,
  33                                 GURL* origin,
  34                                 base::FilePath* path);
  35
  36 // Adds "file:" prefix to WAPI resource ID.
  37 // EXAMPLE:  "xxx" => "file:xxx"
  38 std::string AddWapiFilePrefix(const std::string& resource_id);
  39
  40 // Adds "folder:" prefix to WAPI resource ID.
  41 // EXAMPLE:  "xxx" => "folder:xxx"
  42 std::string AddWapiFolderPrefix(const std::string& resource_id);
  43
  44 // Adds a prefix corresponding to the given |type|.
  45 std::string AddWapiIdPrefix(const std::string& resource_id,
  46                             DriveMetadata_ResourceType type);
  47
  48 // Removes a prefix from WAPI resource ID.
  49 // EXAMPLE:
  50 //   "file:xxx"    =>  "xxx"
  51 //   "folder:yyy"  =>  "yyy"
  52 //   "zzz"         =>  "zzz"
  53 std::string RemoveWapiIdPrefix(const std::string& resource_id);
  54
  55 // Migrate |db| schema from version 0 to version 1.
  56 SyncStatusCode MigrateDatabaseFromV0ToV1(leveldb::DB* db);
  57
  58 // Migrate |db| schema from version 1 to version 2.
  59 SyncStatusCode MigrateDatabaseFromV1ToV2(leveldb::DB* db);
  60
  61 }  // namespace drive_backend
  62 }  // namespace sync_file_system
  63
  64 #endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_METADATA_DB_MIGRATION_UTIL_H_