5fb1c6ff1f
public and private API (still far from ideal, but a start): * moved several HPKG-classes into the public namespace BPackageKit::HPKG * added fImpl-wrappers around PackageReader and PackageWriter to hide most of the gory details * adjusted 'package'-binary and packagefs accordingly git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@40320 a95241bf-73f2-0310-859d-f6bbb57e9c96
55 lines
835 B
C++
55 lines
835 B
C++
/*
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* Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _PACKAGE__HPKG__PRIVATE__STACKER_H_
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#define _PACKAGE__HPKG__PRIVATE__STACKER_H_
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namespace BPackageKit {
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namespace BHPKG {
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namespace BPrivate {
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template<typename Type>
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class Stacker {
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public:
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Stacker(Type*& location, Type* element)
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:
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fLocation(&location),
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fPreviousElement(location)
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{
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*fLocation = element;
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}
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Stacker(Type** location, Type* element)
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:
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fLocation(location),
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fPreviousElement(*location)
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{
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*fLocation = element;
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}
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~Stacker()
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{
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if (fLocation != NULL)
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*fLocation = fPreviousElement;
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}
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private:
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Type** fLocation;
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Type* fPreviousElement;
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};
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} // namespace BPrivate
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} // namespace BHPKG
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} // namespace BPackageKit
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#endif // _PACKAGE__HPKG__PRIVATE__STACKER_H_
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