1 // Copyright 2012 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 // Various utilities for dealing with invalidation data types. 6 7 #ifndef SYNC_NOTIFIER_INVALIDATION_UTIL_H_ 8 #define SYNC_NOTIFIER_INVALIDATION_UTIL_H_ 9 10 #include <iosfwd> 11 #include <map> 12 #include <set> 13 #include <string> 14 15 #include "base/memory/scoped_ptr.h" 16 #include "sync/base/sync_export.h" 17 #include "sync/internal_api/public/base/model_type.h" 18 19 namespace base { 20 class DictionaryValue; 21 } // namespace 22 23 namespace invalidation { 24 25 class Invalidation; 26 class ObjectId; 27 28 // Gmock print helper 29 SYNC_EXPORT_PRIVATE void PrintTo(const invalidation::ObjectId& id, 30 std::ostream* os); 31 32 } // namespace invalidation 33 34 namespace syncer { 35 36 class Invalidation; 37 38 struct SYNC_EXPORT ObjectIdLessThan { 39 bool operator()(const invalidation::ObjectId& lhs, 40 const invalidation::ObjectId& rhs) const; 41 }; 42 43 struct SYNC_EXPORT InvalidationVersionLessThan { 44 bool operator()(const syncer::Invalidation& a, 45 const syncer::Invalidation& b) const; 46 }; 47 48 typedef std::set<invalidation::ObjectId, ObjectIdLessThan> ObjectIdSet; 49 50 typedef std::map<invalidation::ObjectId, int, ObjectIdLessThan> 51 ObjectIdCountMap; 52 53 SYNC_EXPORT bool RealModelTypeToObjectId(ModelType model_type, 54 invalidation::ObjectId* object_id); 55 56 bool ObjectIdToRealModelType(const invalidation::ObjectId& object_id, 57 ModelType* model_type); 58 59 // Caller owns the returned DictionaryValue. 60 scoped_ptr<base::DictionaryValue> ObjectIdToValue( 61 const invalidation::ObjectId& object_id); 62 63 bool ObjectIdFromValue(const base::DictionaryValue& value, 64 invalidation::ObjectId* out); 65 66 SYNC_EXPORT_PRIVATE std::string ObjectIdToString( 67 const invalidation::ObjectId& object_id); 68 69 SYNC_EXPORT_PRIVATE ObjectIdSet ModelTypeSetToObjectIdSet(ModelTypeSet models); 70 ModelTypeSet ObjectIdSetToModelTypeSet(const ObjectIdSet& ids); 71 72 std::string InvalidationToString( 73 const invalidation::Invalidation& invalidation); 74 75 } // namespace syncer 76 77 #endif // SYNC_NOTIFIER_INVALIDATION_UTIL_H_ 78