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
operator ()(const invalidation::ObjectId & lhs,const invalidation::ObjectId & rhs) const19 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
operator ()(const Invalidation & a,const Invalidation & b) const25 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
ObjectIdToValue(const invalidation::ObjectId & object_id)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
ObjectIdFromValue(const base::DictionaryValue & value,invalidation::ObjectId * out)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
ObjectIdToString(const invalidation::ObjectId & object_id)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