Check-in rlz code to src\rlz from http://code.google.com/p/rlz/.

rlz/mac/lib/rlz_value_store_mac.h

Index: rlz/mac/lib/rlz_value_store_mac.h
===================================================================
--- rlz/mac/lib/rlz_value_store_mac.h	(revision 0)
+++ rlz/mac/lib/rlz_value_store_mac.h	(revision 0)
@@ -0,0 +1,80 @@
+// Copyright (c) 2012 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 RLZ_MAC_LIB_RLZ_VALUE_STORE_MAC_H_
+#define RLZ_MAC_LIB_RLZ_VALUE_STORE_MAC_H_
+
+#include "rlz/lib/rlz_value_store.h"
+#include "base/compiler_specific.h"
+#include "base/memory/scoped_nsobject.h"
+
+@class NSDictionary;
+@class NSMutableDictionary;
+
+namespace rlz_lib {
+
+// An implementation of RlzValueStore for mac. It stores information in a
+// plist file in the user's Application Support folder.
+class RlzValueStoreMac : public RlzValueStore {
+ public:
+  virtual bool HasAccess(AccessType type) OVERRIDE;
+
+  virtual bool WritePingTime(Product product, int64 time) OVERRIDE;
+  virtual bool ReadPingTime(Product product, int64* time) OVERRIDE;
+  virtual bool ClearPingTime(Product product) OVERRIDE;
+
+  virtual bool WriteAccessPointRlz(AccessPoint access_point,
+                                   const char* new_rlz) OVERRIDE;
+  virtual bool ReadAccessPointRlz(AccessPoint access_point,
+                                  char* rlz,
+                                  size_t rlz_size) OVERRIDE;
+  virtual bool ClearAccessPointRlz(AccessPoint access_point) OVERRIDE;
+
+  virtual bool AddProductEvent(Product product, const char* event_rlz) OVERRIDE;
+  virtual bool ReadProductEvents(Product product,
+                                 std::vector<std::string>* events) OVERRIDE;
+  virtual bool ClearProductEvent(Product product,
+                                 const char* event_rlz) OVERRIDE;
+  virtual bool ClearAllProductEvents(Product product) OVERRIDE;
+
+  virtual bool AddStatefulEvent(Product product,
+                                const char* event_rlz) OVERRIDE;
+  virtual bool IsStatefulEvent(Product product,
+                               const char* event_rlz) OVERRIDE;
+  virtual bool ClearAllStatefulEvents(Product product) OVERRIDE;
+
+  virtual void CollectGarbage() OVERRIDE;
+
+ private:
+  // |dict| is the dictionary that backs all data. plist_path is the name of the
+  // plist file, used solely for implementing HasAccess().
+  RlzValueStoreMac(NSMutableDictionary* dict, NSString* plist_path);
+  virtual ~RlzValueStoreMac();
+  friend class ScopedRlzValueStoreLock;
+
+  // Returns the backing dictionary that should be written to disk.
+  NSDictionary* dictionary();
+
+  // Returns the dictionary to which all data should be written. Usually, this
+  // is just |dictionary()|, but if supplementary branding is used, it's a
+  // subdirectory at key "brand_<supplementary branding code>".
+  // Note that windows stores data at
+  //    rlz/name (e.g. "pingtime")/supplementalbranding/productcode
+  // Mac on the other hand does
+  //    supplementalbranding/productcode/pingtime.
+  NSMutableDictionary* WorkingDict();
+
+  // Returns the subdirectory of |WorkingDict()| used to store data for
+  // product p.
+  NSMutableDictionary* ProductDict(Product p);
+
+  scoped_nsobject<NSMutableDictionary> dict_;
+  scoped_nsobject<NSString> plist_path_;
+
+  DISALLOW_COPY_AND_ASSIGN(RlzValueStoreMac);
+};
+
+}  // namespace rlz_lib
+
+#endif  // RLZ_MAC_LIB_RLZ_VALUE_STORE_MAC_H_