115 lines
3.5 KiB
C
115 lines
3.5 KiB
C
/*
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* PVVMUD a 3D MUD
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* Copyright (C) 1998-1999 Programvareverkstedet (pvv@pvv.org)
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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; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include "commandparser.H"
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CCommandParser::CCommand::CCommand(string & commandString,CommandFunc_t commandFunc){
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m_commandString = commandString;
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m_commandFunc = commandFunc;
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}
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string & CCommandParser::CCommand::getCommandString(){
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return m_commandString;
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}
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void CCommandParser::CCommand::executeCommand(argv_t & argv,
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CCommandParser * parser)
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{
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(parser->*m_commandFunc)(argv);
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}
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CCommandParser::CCommandParser(){
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m_commandPrefix = '/';
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}
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///////////////////////////////////////////////////////////////////////////////
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// parseCommand
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// Parse commands on the form "/command", "/command arg...", "Message..."
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// Side effects on commandString:
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// Any command with arguments will be null terminated before arguments
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///////////////////////////////////////////////////////////////////////////////
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void CCommandParser::parseCommand(const string & commandString){
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string command = commandString;
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if (command[0] != m_commandPrefix){ // Is this a message?
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commandChat(command);
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} else { // No it is a command
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command.erase(0,1); // Don't need leading '/'
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argv_t argv;
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createArgv(command,argv);
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for (int index = 0; index < m_commandList.size(); index++){
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if (m_commandList[index].getCommandString() == argv[0]){
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m_commandList[index].executeCommand(argv,this);
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return;
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}
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}
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commandUnknown(commandString);
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}
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}
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void CCommandParser::setCommandPrefix(char commandPrefix){
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m_commandPrefix = commandPrefix;
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}
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///////////////////////////////////////////////////////////////////////////////
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// createArgv
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// Convert string to table of strings
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///////////////////////////////////////////////////////////////////////////////
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void CCommandParser::createArgv(string & argString, argv_t & argv){
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string::size_type pos;
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// Remove all double spaces
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while ((pos = argString.find(" ")) != string::npos)
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argString.replace(pos,2," ");
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// Create argv
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string::size_type last = 0;
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string::size_type next;
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while ((next = argString.find(" ",last)) != string::npos) {
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argv.push_back(string(argString,last,next-last));
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last = next + 1;
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}
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next = argString.size();
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argv.push_back(string(argString,last,next));
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}
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///////////////////////////////////////////////////////////////////////////////
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// addCommand
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///////////////////////////////////////////////////////////////////////////////
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void CCommandParser::addCommand(string commandString,
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CommandFunc_t commandFunc)
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{
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m_commandList.push_back( CCommand(commandString,commandFunc));
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}
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void CCommandParser::commandChat(const string & chatMessage){
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commandUnknown(chatMessage);
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}
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void CCommandParser::commandUnknown(const string & commandString){
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}
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