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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 #include "components/policy/core/common/policy_map.h" | 5 #include "components/policy/core/common/policy_map.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 | 8 |
9 #include "base/callback.h" | 9 #include "base/callback.h" |
10 #include "base/stl_util.h" | 10 #include "base/stl_util.h" |
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41 const PolicyMap::Entry& other) const { | 41 const PolicyMap::Entry& other) const { |
42 if (level == other.level) | 42 if (level == other.level) |
43 return scope > other.scope; | 43 return scope > other.scope; |
44 else | 44 else |
45 return level > other.level; | 45 return level > other.level; |
46 } | 46 } |
47 | 47 |
48 bool PolicyMap::Entry::Equals(const PolicyMap::Entry& other) const { | 48 bool PolicyMap::Entry::Equals(const PolicyMap::Entry& other) const { |
49 return level == other.level && | 49 return level == other.level && |
50 scope == other.scope && | 50 scope == other.scope && |
51 Value::Equals(value, other.value) && | 51 base::Value::Equals(value, other.value) && |
52 ExternalDataFetcher::Equals(external_data_fetcher, | 52 ExternalDataFetcher::Equals(external_data_fetcher, |
53 other.external_data_fetcher); | 53 other.external_data_fetcher); |
54 } | 54 } |
55 | 55 |
56 PolicyMap::PolicyMap() { | 56 PolicyMap::PolicyMap() { |
57 } | 57 } |
58 | 58 |
59 PolicyMap::~PolicyMap() { | 59 PolicyMap::~PolicyMap() { |
60 Clear(); | 60 Clear(); |
61 } | 61 } |
62 | 62 |
63 const PolicyMap::Entry* PolicyMap::Get(const std::string& policy) const { | 63 const PolicyMap::Entry* PolicyMap::Get(const std::string& policy) const { |
64 PolicyMapType::const_iterator entry = map_.find(policy); | 64 PolicyMapType::const_iterator entry = map_.find(policy); |
65 return entry == map_.end() ? NULL : &entry->second; | 65 return entry == map_.end() ? NULL : &entry->second; |
66 } | 66 } |
67 | 67 |
68 const Value* PolicyMap::GetValue(const std::string& policy) const { | 68 const base::Value* PolicyMap::GetValue(const std::string& policy) const { |
69 PolicyMapType::const_iterator entry = map_.find(policy); | 69 PolicyMapType::const_iterator entry = map_.find(policy); |
70 return entry == map_.end() ? NULL : entry->second.value; | 70 return entry == map_.end() ? NULL : entry->second.value; |
71 } | 71 } |
72 | 72 |
73 void PolicyMap::Set(const std::string& policy, | 73 void PolicyMap::Set(const std::string& policy, |
74 PolicyLevel level, | 74 PolicyLevel level, |
75 PolicyScope scope, | 75 PolicyScope scope, |
76 Value* value, | 76 base::Value* value, |
77 ExternalDataFetcher* external_data_fetcher) { | 77 ExternalDataFetcher* external_data_fetcher) { |
78 Entry& entry = map_[policy]; | 78 Entry& entry = map_[policy]; |
79 entry.DeleteOwnedMembers(); | 79 entry.DeleteOwnedMembers(); |
80 entry.level = level; | 80 entry.level = level; |
81 entry.scope = scope; | 81 entry.scope = scope; |
82 entry.value = value; | 82 entry.value = value; |
83 entry.external_data_fetcher = external_data_fetcher; | 83 entry.external_data_fetcher = external_data_fetcher; |
84 } | 84 } |
85 | 85 |
86 void PolicyMap::Erase(const std::string& policy) { | 86 void PolicyMap::Erase(const std::string& policy) { |
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117 if (!entry || it->second.has_higher_priority_than(*entry)) { | 117 if (!entry || it->second.has_higher_priority_than(*entry)) { |
118 Set(it->first, it->second.level, it->second.scope, | 118 Set(it->first, it->second.level, it->second.scope, |
119 it->second.value->DeepCopy(), it->second.external_data_fetcher ? | 119 it->second.value->DeepCopy(), it->second.external_data_fetcher ? |
120 new ExternalDataFetcher(*it->second.external_data_fetcher) : | 120 new ExternalDataFetcher(*it->second.external_data_fetcher) : |
121 NULL); | 121 NULL); |
122 } | 122 } |
123 } | 123 } |
124 } | 124 } |
125 | 125 |
126 void PolicyMap::LoadFrom( | 126 void PolicyMap::LoadFrom( |
127 const DictionaryValue* policies, | 127 const base::DictionaryValue* policies, |
128 PolicyLevel level, | 128 PolicyLevel level, |
129 PolicyScope scope) { | 129 PolicyScope scope) { |
130 for (DictionaryValue::Iterator it(*policies); !it.IsAtEnd(); it.Advance()) | 130 for (base::DictionaryValue::Iterator it(*policies); |
| 131 !it.IsAtEnd(); it.Advance()) { |
131 Set(it.key(), level, scope, it.value().DeepCopy(), NULL); | 132 Set(it.key(), level, scope, it.value().DeepCopy(), NULL); |
| 133 } |
132 } | 134 } |
133 | 135 |
134 void PolicyMap::GetDifferingKeys(const PolicyMap& other, | 136 void PolicyMap::GetDifferingKeys(const PolicyMap& other, |
135 std::set<std::string>* differing_keys) const { | 137 std::set<std::string>* differing_keys) const { |
136 // Walk over the maps in lockstep, adding everything that is different. | 138 // Walk over the maps in lockstep, adding everything that is different. |
137 const_iterator iter_this(begin()); | 139 const_iterator iter_this(begin()); |
138 const_iterator iter_other(other.begin()); | 140 const_iterator iter_other(other.begin()); |
139 while (iter_this != end() && iter_other != other.end()) { | 141 while (iter_this != end() && iter_other != other.end()) { |
140 const int diff = iter_this->first.compare(iter_other->first); | 142 const int diff = iter_this->first.compare(iter_other->first); |
141 if (diff == 0) { | 143 if (diff == 0) { |
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198 map_.clear(); | 200 map_.clear(); |
199 } | 201 } |
200 | 202 |
201 // static | 203 // static |
202 bool PolicyMap::MapEntryEquals(const PolicyMap::PolicyMapType::value_type& a, | 204 bool PolicyMap::MapEntryEquals(const PolicyMap::PolicyMapType::value_type& a, |
203 const PolicyMap::PolicyMapType::value_type& b) { | 205 const PolicyMap::PolicyMapType::value_type& b) { |
204 return a.first == b.first && a.second.Equals(b.second); | 206 return a.first == b.first && a.second.Equals(b.second); |
205 } | 207 } |
206 | 208 |
207 } // namespace policy | 209 } // namespace policy |
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