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56 lines
1.7 KiB
56 lines
1.7 KiB
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef DBUS_OBJECT_PATH_H_
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#define DBUS_OBJECT_PATH_H_
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#include <iosfwd>
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#include <string>
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#include "dbus/dbus_export.h"
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namespace dbus {
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// ObjectPath is a type used to distinguish D-Bus object paths from simple
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// strings, especially since normal practice is that these should be only
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// initialized from static constants or obtained from remote objects and no
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// assumptions about their value made.
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class CHROME_DBUS_EXPORT ObjectPath {
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public:
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// Permit initialization without a value for passing to
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// dbus::MessageReader::PopObjectPath to fill in and from std::string
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// objects.
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//
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// The compiler synthesised copy constructor and assignment operator are
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// sufficient for our needs, as is implicit initialization of a std::string
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// from a string constant.
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ObjectPath() {}
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explicit ObjectPath(const std::string& value) : value_(value) {}
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// Retrieves value as a std::string.
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const std::string& value() const { return value_; }
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// Returns true if the value is a valid object path.
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bool IsValid() const;
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// Permit sufficient comparison to allow an ObjectPath to be used as a
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// key in a std::map.
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bool operator<(const ObjectPath&) const;
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// Permit testing for equality, required for mocks to work and useful for
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// observers.
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bool operator==(const ObjectPath&) const;
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bool operator!=(const ObjectPath&) const;
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private:
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std::string value_;
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};
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// This is required by gtest to print a readable output on test failures.
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CHROME_DBUS_EXPORT void PrintTo(const ObjectPath& path, std::ostream* out);
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} // namespace dbus
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#endif // DBUS_OBJECT_PATH_H_
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