📄 regkeyiterator.hpp
字号:
#ifndef __REG_KEY_ITERATOR__
#define __REG_KEY_ITERATOR__
///////////////////////////////////////////////////////////////////////////////
//
// File : $Workfile: RegKeyIterator.hpp $
// Version : $Revision: 1.1 $
// Function :
//
// Author : $Author: len $
// Date : $Date: Oct 25 1998 11:27:06 $
//
// Notes :
//
// Modifications :
//
// $Log: G:/Documents/JetByte/Source/JetByteTools/Win32Tools/PVCS/RegKeyIterator.hpv $
//
// Rev 1.1 Oct 25 1998 11:27:06 len
// Tidy up after running Lint.
//
// Rev 1.0 Aug 27 1998 07:48:22 len
// Initial revision.
//
///////////////////////////////////////////////////////////////////////////////
//
// Copyright 1998 JetByte Limited.
//
// JetByte Limited grants you ("Licensee") a non-exclusive, royalty free,
// licence to use, modify and redistribute this software in source and binary
// code form, provided that i) this copyright notice and licence appear on all
// copies of the software; and ii) Licensee does not utilize the software in a
// manner which is disparaging to JetByte Limited.
//
// This software is provided "AS IS," without a warranty of any kind. ALL
// EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
// ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
// OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. JETBYTE LIMITED AND ITS LICENSORS
// SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF
// USING, MODIFYING OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO
// EVENT WILL JETBYTE LIMITED BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA,
// OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
// DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING
// OUT OF THE USE OF OR INABILITY TO USE SOFTWARE, EVEN IF JETBYTE LIMITED
// HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
//
// This software is not designed or intended for use in on-line control of
// aircraft, air traffic, aircraft navigation or aircraft communications; or in
// the design, construction, operation or maintenance of any nuclear
// facility. Licensee represents and warrants that it will not use or
// redistribute the Software for such purposes.
//
///////////////////////////////////////////////////////////////////////////////
#include "CountedRegKey.hpp"
///////////////////////////////////////////////////////////////////////////////
// Namespace: JetByteTools
///////////////////////////////////////////////////////////////////////////////
namespace JetByteTools {
///////////////////////////////////////////////////////////////////////////////
// Templates defined in this file...
///////////////////////////////////////////////////////////////////////////////
template <class B> class TRegKeyIterator;
///////////////////////////////////////////////////////////////////////////////
// Classes defined in this file...
///////////////////////////////////////////////////////////////////////////////
class CRegKeyIterator;
///////////////////////////////////////////////////////////////////////////////
// Classes defined in other files...
///////////////////////////////////////////////////////////////////////////////
class CRegistryKey;
class CCountedRegKey;
///////////////////////////////////////////////////////////////////////////////
// CRegKeyIterator
///////////////////////////////////////////////////////////////////////////////
class CRegKeyIterator
{
public :
virtual ~CRegKeyIterator();
protected :
CRegKeyIterator(CCountedRegKey *pKey);
CRegKeyIterator(const CRegKeyIterator &rhs);
CRegKeyIterator &operator=(const CRegKeyIterator &rhs);
bool operator==(const CRegKeyIterator &rhs) const;
CCountedRegKey *m_pKey;
DWORD m_index;
};
///////////////////////////////////////////////////////////////////////////////
// TRegKeyIterator
///////////////////////////////////////////////////////////////////////////////
template <class B>
class TRegKeyIterator : public B
{
public :
friend class CRegistryKey;
TRegKeyIterator<B> &operator++();
TRegKeyIterator<B> operator++(int);
bool operator!=(const TRegKeyIterator<B> &rhs) const;
bool operator==(const TRegKeyIterator<B> &rhs) const;
private :
TRegKeyIterator(CCountedRegKey *pKey);
void Advance();
};
///////////////////////////////////////////////////////////////////////////////
// Construction and destruction
///////////////////////////////////////////////////////////////////////////////
template <class B>
TRegKeyIterator<B>::TRegKeyIterator(CCountedRegKey *pKey)
: B(pKey)
{
Advance();
}
///////////////////////////////////////////////////////////////////////////////
// Iteration
///////////////////////////////////////////////////////////////////////////////
template <class B>
TRegKeyIterator<B> &TRegKeyIterator<B>::operator++()
{
Advance();
return *this;
}
template <class B>
TRegKeyIterator<B> TRegKeyIterator<B>::operator++(int)
{
TRegKeyIterator<B> oldValue = *this;
Advance();
return oldValue;
}
///////////////////////////////////////////////////////////////////////////////
// Equality
///////////////////////////////////////////////////////////////////////////////
template <class B>
bool TRegKeyIterator<B>::operator!=(
const TRegKeyIterator<B> &rhs) const
{
// defer to operator==
return !(*this == rhs);
}
template <class B>
bool TRegKeyIterator<B>::operator==(
const TRegKeyIterator<B> &rhs) const
{
return B::operator==(rhs);
}
///////////////////////////////////////////////////////////////////////////////
// Iteration helper function
///////////////////////////////////////////////////////////////////////////////
template <class B>
void TRegKeyIterator<B>::Advance()
{
if (m_pKey)
{
if (!B::GetItem())
{
// End of the line
m_pKey = m_pKey->Release();
m_index = 0;
}
else
{
m_index++;
}
}
}
///////////////////////////////////////////////////////////////////////////////
// End of TRegKeyIterator
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Namespace: JetByteTools
///////////////////////////////////////////////////////////////////////////////
} // End of namespace JetByteTools
#endif // __REG_KEY_ITERATOR__
///////////////////////////////////////////////////////////////////////////////
// End of file...
///////////////////////////////////////////////////////////////////////////////
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -