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Side by Side Diff: webkit/dom_storage/session_storage_database.h

Issue 12163003: Add FilePath to base namespace. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 7 years, 10 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef WEBKIT_DOM_STORAGE_SESSION_STORAGE_DATABASE_H_ 5 #ifndef WEBKIT_DOM_STORAGE_SESSION_STORAGE_DATABASE_H_
6 #define WEBKIT_DOM_STORAGE_SESSION_STORAGE_DATABASE_H_ 6 #define WEBKIT_DOM_STORAGE_SESSION_STORAGE_DATABASE_H_
7 7
8 #include <map> 8 #include <map>
9 #include <string> 9 #include <string>
10 10
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29 // SessionStorageDatabase holds the data from multiple namespaces and multiple 29 // SessionStorageDatabase holds the data from multiple namespaces and multiple
30 // origins. All DomStorageAreas for session storage share the same 30 // origins. All DomStorageAreas for session storage share the same
31 // SessionStorageDatabase. 31 // SessionStorageDatabase.
32 32
33 // Only one thread is allowed to call the public functions other than 33 // Only one thread is allowed to call the public functions other than
34 // ReadAreaValues and ReadNamespacesAndOrigins. Other threads are allowed to 34 // ReadAreaValues and ReadNamespacesAndOrigins. Other threads are allowed to
35 // call ReadAreaValues and ReadNamespacesAndOrigins. 35 // call ReadAreaValues and ReadNamespacesAndOrigins.
36 class WEBKIT_STORAGE_EXPORT SessionStorageDatabase : 36 class WEBKIT_STORAGE_EXPORT SessionStorageDatabase :
37 public base::RefCountedThreadSafe<SessionStorageDatabase> { 37 public base::RefCountedThreadSafe<SessionStorageDatabase> {
38 public: 38 public:
39 explicit SessionStorageDatabase(const FilePath& file_path); 39 explicit SessionStorageDatabase(const base::FilePath& file_path);
40 40
41 // Reads the (key, value) pairs for |namespace_id| and |origin|. |result| is 41 // Reads the (key, value) pairs for |namespace_id| and |origin|. |result| is
42 // assumed to be empty and any duplicate keys will be overwritten. If the 42 // assumed to be empty and any duplicate keys will be overwritten. If the
43 // database exists on disk then it will be opened. If it does not exist then 43 // database exists on disk then it will be opened. If it does not exist then
44 // it will not be created and |result| will be unmodified. 44 // it will not be created and |result| will be unmodified.
45 void ReadAreaValues(const std::string& namespace_id, 45 void ReadAreaValues(const std::string& namespace_id,
46 const GURL& origin, 46 const GURL& origin,
47 ValuesMap* result); 47 ValuesMap* result);
48 48
49 // Updates the data for |namespace_id| and |origin|. Will remove all keys 49 // Updates the data for |namespace_id| and |origin|. Will remove all keys
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180 // Helper functions for creating the keys needed for the schema. 180 // Helper functions for creating the keys needed for the schema.
181 static std::string NamespaceStartKey(const std::string& namespace_id); 181 static std::string NamespaceStartKey(const std::string& namespace_id);
182 static std::string NamespaceKey(const std::string& namespace_id, 182 static std::string NamespaceKey(const std::string& namespace_id,
183 const std::string& origin); 183 const std::string& origin);
184 static const char* NamespacePrefix(); 184 static const char* NamespacePrefix();
185 static std::string MapRefCountKey(const std::string& map_id); 185 static std::string MapRefCountKey(const std::string& map_id);
186 static std::string MapKey(const std::string& map_id, const std::string& key); 186 static std::string MapKey(const std::string& map_id, const std::string& key);
187 static const char* NextMapIdKey(); 187 static const char* NextMapIdKey();
188 188
189 scoped_ptr<leveldb::DB> db_; 189 scoped_ptr<leveldb::DB> db_;
190 FilePath file_path_; 190 base::FilePath file_path_;
191 191
192 // For protecting the database opening code. 192 // For protecting the database opening code.
193 base::Lock db_lock_; 193 base::Lock db_lock_;
194 194
195 // True if a database error has occurred (e.g., cannot read data). 195 // True if a database error has occurred (e.g., cannot read data).
196 bool db_error_; 196 bool db_error_;
197 // True if the database is in an inconsistent state. 197 // True if the database is in an inconsistent state.
198 bool is_inconsistent_; 198 bool is_inconsistent_;
199 199
200 DISALLOW_COPY_AND_ASSIGN(SessionStorageDatabase); 200 DISALLOW_COPY_AND_ASSIGN(SessionStorageDatabase);
201 }; 201 };
202 202
203 } // namespace dom_storage 203 } // namespace dom_storage
204 204
205 #endif // WEBKIT_DOM_STORAGE_SESSION_STORAGE_DATABASE_H_ 205 #endif // WEBKIT_DOM_STORAGE_SESSION_STORAGE_DATABASE_H_
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