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120 lines
2.9 KiB
C++
120 lines
2.9 KiB
C++
/* $Id: ShellCommandsLinkedList.cpp,v 1.3 2001/01/13 23:55:37 narnaoud Exp $
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*
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* regexpl - Console Registry Explorer
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*
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* Copyright (C) 2000,2001 Nedko Arnaoudov <nedkohome@atia.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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// ShellCommandsLinkedList.cpp: implementation of the CShellCommandsLinkedList class.
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//
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//////////////////////////////////////////////////////////////////////
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#include "ph.h"
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#include "ShellCommandsLinkedList.h"
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//////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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CShellCommandsLinkedList::CShellCommandsLinkedList(CConsole& rConsole):m_rConsole(rConsole)
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{
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m_pRoot = NULL;
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}
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CShellCommandsLinkedList::~CShellCommandsLinkedList()
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{
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}
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void CShellCommandsLinkedList::AddCommand(CShellCommand *pCommand)
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{
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// Create new node
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SNode *pNewNode = new SNode;
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if (pNewNode == NULL)
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return;
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pNewNode->m_pData = pCommand;
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// add new node to the end
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if (m_pRoot)
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{
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SNode *pLastNode = m_pRoot;
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while (pLastNode->m_pNext)
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pLastNode = pLastNode->m_pNext;
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pLastNode->m_pNext = pNewNode;
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}
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else
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{
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m_pRoot = pNewNode;
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}
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}
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int CShellCommandsLinkedList::Execute(CArgumentParser& rArgumentParser, int& nReturnValue)
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{
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rArgumentParser.ResetArgumentIteration();
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const TCHAR *pchCommand = rArgumentParser.GetNextArgument();
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if (pchCommand == NULL) // empty command line
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return -2;
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int i = -1;
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SNode *pNode = m_pRoot;
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while(pNode)
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{
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i++;
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if (pNode->m_pData->Match(pchCommand))
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{
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nReturnValue = pNode->m_pData->Execute(m_rConsole,rArgumentParser);
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return i;
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}
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pNode = pNode->m_pNext;
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}
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return -1;
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}
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CShellCommand * CShellCommandsLinkedList::Match(const TCHAR * pchCommand)
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{
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SNode *pNode = m_pRoot;
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while(pNode)
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{
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if (pNode->m_pData->Match(pchCommand))
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return pNode->m_pData;
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pNode = pNode->m_pNext;
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}
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return NULL;
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}
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POSITION CShellCommandsLinkedList::GetFirstCommandPosition()
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{
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return (POSITION)m_pRoot;
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}
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CShellCommand * CShellCommandsLinkedList::GetNextCommand(POSITION& rPos)
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{
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CShellCommand * pCommand = ((SNode *)rPos)->m_pData;
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rPos = (POSITION)(((SNode *)rPos)->m_pNext);
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return pCommand;
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}
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