File indexing completed on 2024-04-21 04:03:12

 /***************************************************************************
                           cscript.cpp  -  one script
                              -------------------
     begin                : So dec 7 2002
     copyright            : (C) 2002-2008 by Tomas Mecir
     email                : kmuddy@kmuddy.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.                                   *
  *                                                                         *
  ***************************************************************************/
 
 #include "cscript.h"
 
 #include "cactionmanager.h"
 #include "crunninglist.h"
 #include "crunningscript.h"
 #include "cscriptlist.h"
 
 #include <KLocalizedString>
 #include <QProcess>
 
 cScript::cScript (cList *list) : cListObject (list)
 {
   runningCount = 0;
 }
 
 cScript::~cScript()
 {
   //nothing here
 }
 
 cList::TraverseAction cScript::traverse (int traversalType)
 {
   cScriptList *sl = (cScriptList *) list();
   if (name() != sl->nameToFind())  // are we the correct script ?
     return cList::Continue;
   sl->setNameFound ();
 
   if (traversalType == SCRIPT_FIND)
     return cList::Stop;
   if (traversalType == SCRIPT_EXECUTE)
   {
     sl->runScript (this);
     return cList::Stop;
   }
   return cList::Stop;  // unknown action
 }
 
 void cScript::updateVisibleName ()
 {
   if (name().isEmpty())
     cListObject::updateVisibleName();
   else
     setVisibleName (name());
 }
 
 cRunningScript *cScript::prepareToLaunch (const QString &params)
 {
   //do nothing if we're a single-instance script that is already running
   if (boolVal ("single-instance") && (runningCount != 0))
   {
     cActionManager::self()->invokeEvent ("message", list()->session(), i18n ("Sorry, single-instance script."));
     return 0;
   }
   
   cRunningList *rl = dynamic_cast<cRunningList *>(cActionManager::self()->object ("runninglist", list()->session()));
   if (!rl) return 0;
 
   //create a new instance of cRunningScript
   cRunningScript *script = new cRunningScript (this);
   
   //setup its parameters:
 
   script->sendusercommands = boolVal ("send-user-commands");
   script->useadvcomm = boolVal ("adv-communication");
   script->flowcontrol = boolVal ("flow-control");
 
   //create a QProcess instance
   script->process = new QProcess;
   
   script->process->setWorkingDirectory (strVal ("work-directory"));
 
   //establish socket if needed
   if (boolVal ("enable-variables"))
     script->establishSocket (list()->session());
   
   //split the command into parts...
   QString cmd = strVal ("command");
   QString pars = params.trimmed ();
   if (pars.length() > 0)
     cmd += QString(" ") + pars;
   QString oneparam;
   bool inquotedparam = false;
   QChar quotechar;
   bool wasbackslash = false;
   for (int i = 0; i < cmd.length(); i++)
   {
     if (wasbackslash)
     {
       oneparam += cmd[i];
       wasbackslash = false;
     }
     else
       if (cmd[i].isSpace())
       {
         if (inquotedparam)
           oneparam += cmd[i];
         else
           if (oneparam.length() > 0)
           {
             script->args << oneparam;  //add this parameter!
             oneparam = QString();
           }
       }
       else
         if (cmd[i].toLatin1() == '\\')    //backslash
           wasbackslash = true;
         else
           if (inquotedparam && (cmd[i] == quotechar)) //quote ends
             inquotedparam = false;
           else
             if ((cmd[i].toLatin1() == '\'') || (cmd[i].toLatin1() == '"'))
             {     //quote starts
               inquotedparam = true;
               quotechar = cmd[i];
             }
             else    //normal character
               oneparam += cmd[i];
   }
   if (oneparam.length() > 0)
     script->args << oneparam;  //add last parameter
 
   // first argument is the command name
   script->command = script->args.takeFirst();
 
   // Command & parameters are set
   //return that instance
   return script;
 }
 
 void cScript::scriptIsStarting ()
 {
   runningCount++;
 }
 
 void cScript::scriptIsTerminating ()
 {
   runningCount--;
 }