Recovered from microbel

common/lib/utils/commandparser.C

@@ -0,0 +1,114 @@
+/*
+ * PVVMUD a 3D MUD
+ * Copyright (C) 1998-1999  Programvareverkstedet (pvv@pvv.org)
+ *
+ * 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; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+#include "commandparser.H"
+
+CCommandParser::CCommand::CCommand(string & commandString,CommandFunc_t commandFunc){
+  m_commandString = commandString;
+  m_commandFunc = commandFunc;
+}
+
+string & CCommandParser::CCommand::getCommandString(){
+  return m_commandString;
+}
+
+void CCommandParser::CCommand::executeCommand(argv_t & argv,
+                                              CCommandParser * parser)
+{
+  (parser->*m_commandFunc)(argv);
+}
+
+CCommandParser::CCommandParser(){
+  m_commandPrefix = '/';
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// parseCommand
+//   Parse commands on the form "/command", "/command arg...", "Message..."
+// Side effects on commandString:
+//   Any command with arguments will be null terminated before arguments
+///////////////////////////////////////////////////////////////////////////////
+void CCommandParser::parseCommand(const string & commandString){
+  string command = commandString;
+  if (command[0] != m_commandPrefix){ // Is this a message?
+    commandChat(command);
+  } else {                      // No it is a command
+
+    command.erase(0,1);   // Don't need leading '/'
+
+    argv_t argv;
+
+    createArgv(command,argv);
+
+    for (int index = 0; index < m_commandList.size(); index++){
+      if (m_commandList[index].getCommandString() == argv[0]){
+        m_commandList[index].executeCommand(argv,this);
+        return;
+      }
+    }
+    commandUnknown(commandString);
+  }
+}
+
+void CCommandParser::setCommandPrefix(char commandPrefix){
+  m_commandPrefix = commandPrefix;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// createArgv
+//   Convert string to table of strings
+///////////////////////////////////////////////////////////////////////////////
+void CCommandParser::createArgv(string & argString, argv_t & argv){
+
+  string::size_type pos;
+
+  // Remove all double spaces
+  while ((pos = argString.find("  ")) != string::npos) 
+    argString.replace(pos,2," ");
+
+  // Create argv
+  string::size_type last = 0;
+  string::size_type next;
+  while ((next = argString.find(" ",last)) != string::npos) {
+    argv.push_back(string(argString,last,next-last));
+    last = next + 1; 
+  }
+  next = argString.size();
+  argv.push_back(string(argString,last,next));
+
+}
+
+
+///////////////////////////////////////////////////////////////////////////////
+// addCommand
+///////////////////////////////////////////////////////////////////////////////
+void CCommandParser::addCommand(string commandString,
+                                CommandFunc_t commandFunc)
+{
+  m_commandList.push_back( CCommand(commandString,commandFunc));
+}
+
+void CCommandParser::commandChat(const string & chatMessage){
+  commandUnknown(chatMessage);
+}
+
+void CCommandParser::commandUnknown(const string & commandString){
+}
+
+