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