rosapps/sysutils/regexpl/ShellCommandChangeKey.cpp

   1 /* $Id: ShellCommandChangeKey.cpp,v 1.2 2000/10/24 20:17:41 narnaoud Exp $
   2  *
   3  * regexpl - Console Registry Explorer
   4  *
   5  * Copyright (C) 2000 Nedko Arnaoudov <nedkohome@atia.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; see the file COPYING.  If not, write to
  19  * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  20  * Boston, MA 02111-1307, USA.
  21  */
  22
  23 // ShellCommandChangeKey.cpp: implementation of the CShellCommandChangeKey class.
  24 //
  25 //////////////////////////////////////////////////////////////////////
  26
  27 #include "ph.h"
  28 #include "RegistryExplorer.h"
  29 #include "ShellCommandChangeKey.h"
  30
  31 #define CD_CMD                          _T("CD")
  32 #define CD_CMD_LENGTH           COMMAND_LENGTH(CD_CMD)
  33 #define CD_CMD_SHORT_DESC       CD_CMD _T(" command changes current key.\n")
  34 //////////////////////////////////////////////////////////////////////
  35 // Construction/Destruction
  36 //////////////////////////////////////////////////////////////////////
  37
  38 CShellCommandChangeKey::CShellCommandChangeKey(CRegistryTree& rTree):m_rTree(rTree)
  39 {
  40
  41 }
  42
  43 CShellCommandChangeKey::~CShellCommandChangeKey()
  44 {
  45
  46 }
  47
  48 BOOL CShellCommandChangeKey::Match(const TCHAR *pchCommand)
  49 {
  50         if (_tcsicmp(pchCommand,CD_CMD) == 0)
  51                 return TRUE;
  52         if (_tcsnicmp(pchCommand,CD_CMD _T(".."),CD_CMD_LENGTH+1*sizeof(TCHAR)) == 0)
  53                 return TRUE;
  54         if (_tcsnicmp(pchCommand,CD_CMD _T("\\"),CD_CMD_LENGTH+2*sizeof(TCHAR)) == 0)
  55                 return TRUE;
  56         return FALSE;
  57 }
  58
  59 int CShellCommandChangeKey::Execute(CConsole &rConsole, CArgumentParser& rArguments)
  60 {
  61         BOOL blnHelp = FALSE;
  62
  63         rArguments.ResetArgumentIteration();
  64         const TCHAR *pchCommandItself = rArguments.GetNextArgument();
  65         const TCHAR *pchPath = rArguments.GetNextArgument();
  66
  67         if ((_tcsnicmp(pchCommandItself,CD_CMD _T(".."),CD_CMD_LENGTH+2*sizeof(TCHAR)) == 0)||
  68                 (_tcsnicmp(pchCommandItself,CD_CMD _T("\\"),CD_CMD_LENGTH+1*sizeof(TCHAR)) == 0))
  69         {
  70                 if (!pchPath) pchPath = pchCommandItself + CD_CMD_LENGTH;
  71                 else blnHelp = TRUE;
  72         }
  73
  74         if ((!blnHelp)&&(pchPath != NULL)&&(!rArguments.GetNextArgument()))
  75         {
  76                 ASSERT(_tcslen(pchPath) <= PROMPT_BUFFER_SIZE);
  77                 if (!m_rTree.ChangeCurrentKey(pchPath))
  78                 {
  79                         rConsole.Write(m_rTree.GetLastErrorDescription());
  80                         rConsole.Write(_T("\n"));
  81                 }
  82         }
  83         else
  84         {
  85                 rConsole.Write(GetHelpString());
  86         }
  87
  88         return 0;
  89 }
  90
  91 const TCHAR * CShellCommandChangeKey::GetHelpString()
  92 {
  93         return CD_CMD_SHORT_DESC
  94                         _T("Syntax: ") CD_CMD _T(" <KEY>\n\n")
  95                         _T("    <KEY> - Relative path of desired key.\n\n")
  96                         _T("Without parameters, command displays this help.\n");
  97
  98 }
  99
 100 const TCHAR * CShellCommandChangeKey::GetHelpShortDescriptionString()
 101 {
 102         return CD_CMD_SHORT_DESC;
 103 }
 104