RulesRegistry for declarative APIs.

chrome/browser/extensions/api/declarative/rule_identifier.cc

Index: chrome/browser/extensions/api/declarative/rule_identifier.cc
diff --git a/chrome/browser/extensions/api/declarative/rule_identifier.cc b/chrome/browser/extensions/api/declarative/rule_identifier.cc
new file mode 100644
index 0000000000000000000000000000000000000000..76d9fbbebb18739cfa055e8e5707a36c0ec4e596
--- /dev/null
+++ b/chrome/browser/extensions/api/declarative/rule_identifier.cc
@@ -0,0 +1,41 @@
+// 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.
+
+#include "chrome/browser/extensions/api/declarative/rule_identifier.h"
+
+namespace extensions {
+
+RuleIdentifier::RuleIdentifier(const std::string& extension_id,

[Aaron Boodman, 2012/02/02 16:28:51]

unit test?

[battre, 2012/02/06 16:21:04]

Done.

+                               const std::string& event_name,
+                               const std::string& rule_id)
+    : extension_id_(extension_id),
+      event_name_(event_name),
+      rule_id_(rule_id) {}
+
+RuleIdentifier::RuleIdentifier(const RuleIdentifier& other)
+: extension_id_(other.extension_id_),
+  event_name_(other.event_name_),
+  rule_id_(other.rule_id_) {}
+
+RuleIdentifier::~RuleIdentifier() {}
+
+bool RuleIdentifier::operator<(const RuleIdentifier& other) const {
+  // These are ordered so that the elements with most entropy are compared
+  // first.
+  if (rule_id_ < other.rule_id_) return true;
+  if (rule_id_ > other.rule_id_) return false;
+  if (event_name_ < other.event_name_) return true;
+  if (event_name_ > other.event_name_) return false;
+  if (extension_id_ < other.extension_id_) return true;
+  return false;
+}
+
+RuleIdentifier& RuleIdentifier::operator=(const RuleIdentifier& other) {
+  extension_id_ = other.extension_id_;
+  event_name_ = other.event_name_;
+  rule_id_ = other.rule_id_;
+  return *this;
+}
+
+}  // extensions