reactos/rosapps/sysutils/regexpl/ShellCommandChangeKey.cpp

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/* $Id: ShellCommandChangeKey.cpp,v 1.4 2001/01/13 23:55:36 narnaoud Exp $
*
* regexpl - Console Registry Explorer
*
* Copyright (C) 2000,2001 Nedko Arnaoudov <nedkohome@atia.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
// ShellCommandChangeKey.cpp: implementation of the CShellCommandChangeKey class.
//
//////////////////////////////////////////////////////////////////////
#include "ph.h"
#include "RegistryExplorer.h"
#include "ShellCommandChangeKey.h"
#define CD_CMD _T("CD")
#define CD_CMD_LENGTH COMMAND_LENGTH(CD_CMD)
#define CD_CMD_SHORT_DESC CD_CMD _T(" command changes current key.\n")
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CShellCommandChangeKey::CShellCommandChangeKey(CRegistryTree& rTree):m_rTree(rTree)
{
}
CShellCommandChangeKey::~CShellCommandChangeKey()
{
}
BOOL CShellCommandChangeKey::Match(const TCHAR *pchCommand)
{
if (_tcsicmp(pchCommand,CD_CMD) == 0)
return TRUE;
if (_tcsnicmp(pchCommand,CD_CMD _T(".."),CD_CMD_LENGTH+1*sizeof(TCHAR)) == 0)
return TRUE;
if (_tcsnicmp(pchCommand,CD_CMD _T("\\"),CD_CMD_LENGTH+2*sizeof(TCHAR)) == 0)
return TRUE;
return FALSE;
}
int CShellCommandChangeKey::Execute(CConsole &rConsole, CArgumentParser& rArguments)
{
BOOL blnHelp = FALSE;
rArguments.ResetArgumentIteration();
const TCHAR *pchCommandItself = rArguments.GetNextArgument();
const TCHAR *pchPath = rArguments.GetNextArgument();
if ((_tcsnicmp(pchCommandItself,CD_CMD _T(".."),CD_CMD_LENGTH+2*sizeof(TCHAR)) == 0)||
(_tcsnicmp(pchCommandItself,CD_CMD _T("\\"),CD_CMD_LENGTH+1*sizeof(TCHAR)) == 0))
{
if (!pchPath) pchPath = pchCommandItself + CD_CMD_LENGTH;
else blnHelp = TRUE;
}
if ((!blnHelp)&&(pchPath != NULL)&&(!rArguments.GetNextArgument()))
{
size_t size = _tcslen(pchPath);
ASSERT(size <= PROMPT_BUFFER_SIZE);
if (!m_rTree.ChangeCurrentKey(pchPath))
{
rConsole.Write(m_rTree.GetLastErrorDescription());
rConsole.Write(_T("\n"));
}
}
else
{
rConsole.Write(GetHelpString());
}
return 0;
}
const TCHAR * CShellCommandChangeKey::GetHelpString()
{
return CD_CMD_SHORT_DESC
_T("Syntax: ") CD_CMD _T(" <KEY>\n\n")
_T(" <KEY> - Relative path of desired key.\n\n")
_T("Without parameters, command displays this help.\n");
}
const TCHAR * CShellCommandChangeKey::GetHelpShortDescriptionString()
{
return CD_CMD_SHORT_DESC;
}