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48 lines
1016 B
C++
48 lines
1016 B
C++
/*
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* \brief Representation of an alias for a child
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* \author Norman Feske
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* \date 2010-04-27
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*/
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/*
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* Copyright (C) 2010-2017 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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#ifndef _LIB__SANDBOX__ALIAS_H_
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#define _LIB__SANDBOX__ALIAS_H_
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/* local includes */
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#include <sandbox/types.h>
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namespace Sandbox { struct Alias; }
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struct Sandbox::Alias : List<Alias>::Element, Noncopyable
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{
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typedef Child_policy::Name Name;
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typedef Child_policy::Name Child;
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Name const name;
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Child child { }; /* defined by 'update' */
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Alias(Name const &name) : name(name) { }
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class Child_attribute_missing : Exception { };
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/*
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* \throw Child_attribute_missing
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*/
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void update(Xml_node const &alias)
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{
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if (!alias.has_attribute("child"))
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warning("alias node \"", name, "\" lacks child attribute");
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child = alias.attribute_value("child", Child());
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}
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};
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#endif /* _LIB__SANDBOX__ALIAS_H_ */
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