1 // Copyright 2014 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 #include "components/invalidation/invalidation_util.h" 6 7 #include <ostream> 8 #include <sstream> 9 10 #include "base/json/json_writer.h" 11 #include "base/memory/scoped_ptr.h" 12 #include "base/values.h" 13 #include "components/invalidation/invalidation.h" 14 #include "google/cacheinvalidation/include/types.h" 15 #include "google/cacheinvalidation/types.pb.h" 16 17 namespace syncer { 18 19 bool ObjectIdLessThan::operator()(const invalidation::ObjectId& lhs, 20 const invalidation::ObjectId& rhs) const { 21 return (lhs.source() < rhs.source()) || 22 (lhs.source() == rhs.source() && lhs.name() < rhs.name()); 23 } 24 25 bool InvalidationVersionLessThan::operator()(const Invalidation& a, 26 const Invalidation& b) const { 27 DCHECK(a.object_id() == b.object_id()) 28 << "a: " << ObjectIdToString(a.object_id()) << ", " 29 << "b: " << ObjectIdToString(a.object_id()); 30 31 if (a.is_unknown_version() && !b.is_unknown_version()) 32 return true; 33 34 if (!a.is_unknown_version() && b.is_unknown_version()) 35 return false; 36 37 if (a.is_unknown_version() && b.is_unknown_version()) 38 return false; 39 40 return a.version() < b.version(); 41 } 42 43 scoped_ptr<base::DictionaryValue> ObjectIdToValue( 44 const invalidation::ObjectId& object_id) { 45 scoped_ptr<base::DictionaryValue> value(new base::DictionaryValue()); 46 value->SetInteger("source", object_id.source()); 47 value->SetString("name", object_id.name()); 48 return value.Pass(); 49 } 50 51 bool ObjectIdFromValue(const base::DictionaryValue& value, 52 invalidation::ObjectId* out) { 53 *out = invalidation::ObjectId(); 54 std::string name; 55 int source = 0; 56 if (!value.GetInteger("source", &source) || !value.GetString("name", &name)) { 57 return false; 58 } 59 *out = invalidation::ObjectId(source, name); 60 return true; 61 } 62 63 std::string ObjectIdToString(const invalidation::ObjectId& object_id) { 64 scoped_ptr<base::DictionaryValue> value(ObjectIdToValue(object_id)); 65 std::string str; 66 base::JSONWriter::Write(value.get(), &str); 67 return str; 68 } 69 70 } // namespace syncer 71
