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// Copyright 2013 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.
#ifndef COMPONENTS_POLICY_CORE_COMMON_POLICY_NAMESPACE_H_
#define COMPONENTS_POLICY_CORE_COMMON_POLICY_NAMESPACE_H_
#include <stddef.h>
#include <stdint.h>
#include <string>
#include <vector>
#include "base/containers/hash_tables.h"
#include "components/policy/policy_export.h"
namespace policy {
// Policies are namespaced by a (PolicyDomain, ID) pair. The meaning of the ID
// string depends on the domain; for example, if the PolicyDomain is
// "extensions" then the ID identifies the extension that the policies control.
enum PolicyDomain {
// The component ID for chrome policies is always the empty string.
POLICY_DOMAIN_CHROME,
// The component ID for the extension policies is equal to the extension ID.
POLICY_DOMAIN_EXTENSIONS,
// The namespace that corresponds to the policies for extensions running
// under Chrome OS signin profile. The component ID is equal to the extension
// ID.
POLICY_DOMAIN_SIGNIN_EXTENSIONS,
// Must be the last entry.
POLICY_DOMAIN_SIZE,
};
// Groups a policy domain and a component ID in a single object representing
// a policy namespace. Objects of this class can be used as keys in std::maps.
struct POLICY_EXPORT PolicyNamespace {
PolicyNamespace();
PolicyNamespace(PolicyDomain domain, const std::string& component_id);
PolicyNamespace(const PolicyNamespace& other);
~PolicyNamespace();
PolicyNamespace& operator=(const PolicyNamespace& other);
bool operator<(const PolicyNamespace& other) const;
bool operator==(const PolicyNamespace& other) const;
bool operator!=(const PolicyNamespace& other) const;
PolicyDomain domain;
std::string component_id;
};
typedef std::vector<PolicyNamespace> PolicyNamespaceList;
struct PolicyNamespaceHash {
size_t operator()(const policy::PolicyNamespace& ns) const {
return std::hash<std::string>()(ns.component_id) ^
(UINT64_C(1) << ns.domain);
}
};
} // namespace policy
#endif // COMPONENTS_POLICY_CORE_COMMON_POLICY_NAMESPACE_H_
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