Clic3Pac.java

/*
 * File    : Clic3Pac.java
 * Created : 08-nov-2000 20:25
 * By      : fbusquets
 *
 * JClic - Authoring and playing system for educational activities
 *
 * Copyright (C) 2000 - 2005 Francesc Busquets & Departament
 * d'Educacio de la Generalitat de Catalunya
 *
 * 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 (see the LICENSE file).
 */

package edu.xtec.jclic.clic3;

import edu.xtec.jclic.fileSystem.FileSystem;

/**
 * This class encapsulates a Clic 3.0 package of activities (.pac file), and provides
 * methods to import it from a data stream and to import it into a
 * {@link edu.xtec.jclic.project.JClicProject}.
 * @author Francesc Busquets (fbusquets@xtec.cat)
 * @version 13.08.08
 */
public class Clic3Pac extends Clic3 {
    
    public String rPath;
    public String fileName;
    public String fileDesc;
    public String[] acts;
    public int  nActs;
    public int  act;
    public boolean loaded, modified;
    public boolean autoPass, noPassButtons, noDiskButton, noExitButton;
    //public boolean botoSep, av800, av256;
    public int  lapToPass;
    public boolean def, sup, inf, supTFlag, infTFlag;
    public String chDef, chSup, chInf;
    public int infP, infT, supP, supT;
    
    /** Creates new Clic3Pac */
    public Clic3Pac() {
        acts=null;
        chDef=chSup=chInf=null;
        clear();
        rPath=BLANK;
    }
    
    public void clear(){
        int i;
        
        acts=null;
        fileName=BLANK;
        fileDesc=BLANK;
        nActs=0; act=0;
        autoPass=false;
        noPassButtons=false;
        noDiskButton=false;
        noExitButton=false;
        //av800=false;
        //av256=false;
        lapToPass=0;
        loaded=false;
        modified=false;
        def=sup=inf=supTFlag=infTFlag=false;
        //botoSep=false;
        infT=supT=0;
        infP=25; supP=75;
        chDef=null;
        chSup=null;
        chInf=null;
    }
    
    public boolean load(String name, byte[] data){
        String [] txt;
        String fn;
        String str;
        int  nLin, fLine, ver;
        boolean result=false;
        int i, boolParms;
        
        //clear();
        
        /*
        for(i=0; i<data.length; i++)
            //if(data[i]==ENDDESC_BYTE) data[i]=ENDDESC;
            if(data[i]==ENDDESC_BYTE) data[i]=0;
        */
        
        fileName = FileSystem.getCanonicalNameOf(validFileName(name), false);
        rPath=FileSystem.getPathPartOf(fileName);        
        fLine=0;
        
        if(getExt(fileName)==EXT_PAC && (txt=dataToArray(data))!=null && (nLin=txt.length)>0){
            ver=parseIntX(txt[fLine++]);
            if(ver>1000) ver-=1000;
            if(ver>107 && ver<=CLICVER){
                StringBuilder sb=new StringBuilder();
                //fLine++;
                while(fLine<nLin){
                    if(txt[fLine].length()>0 && txt[fLine].charAt(0)==ENDDESC){
                        fLine++; 
                        break;
                    }
                    if(sb.length()>0) 
                        sb.append("\r\n");
                    sb.append(txt[fLine++]);
                }
                fileDesc=sb.substring(0);
                
                if(ver>=113){
                    boolParms=parseIntX(txt[fLine++]);
                    autoPass=(boolParms & 0x0001)!=0;
                    noPassButtons=(boolParms & 0x0002)!=0;
                    noDiskButton=(boolParms & 0x0004)!=0;
                    noExitButton=(boolParms & 0x0008)!=0;
                    lapToPass=parseIntX(txt[fLine++]);
                    
                    boolParms=parseIntX(txt[fLine++]);
                    def=(boolParms & 0x0001)!=0;
                    sup=(boolParms & 0x0002)!=0;
                    inf=(boolParms & 0x0004)!=0;
                    supTFlag=(boolParms & 0x0008)!=0;
                    infTFlag=(boolParms & 0x0010)!=0;
                    //if(ver>117) botoSep=(boolParms & 0x0020)!=0;
                    if(ver>=119){
                        //av800=(boolParms & 0x0040)!=0;
                        //av256=(boolParms & 0x0080)!=0;
                    }
                    str=txt[fLine++]; 
                    if(str.length()>0) 
                        chDef=rPath+validFileName(str);
                    
                    str=txt[fLine++]; 
                    if(str.length()>0) 
                        chSup=rPath+validFileName(str);
                    
                    str=txt[fLine++]; 
                    if(str.length()>0) 
                        chInf=rPath+validFileName(str);
                    
                    supP=parseIntX(txt[fLine++]);
                    supT=parseIntX(txt[fLine++]);
                    infP=parseIntX(txt[fLine++]);
                    infT=parseIntX(txt[fLine++]);
                }
            }
            if(fLine>=nLin || ver>CLICVER ||
               (nActs=nLin-fLine)<1 ||
               (acts=new String[nActs])==null ||
               copyArray(acts, 0, txt, fLine, nActs, true)==false)
                  result=false;
            else
                result=true;
            
            if(!result){
                //BMsgBox(0, IDS_LECT, ver>CLICVER ? IDS_ERRNEWV:IDS_ERRFMT, fn);
                clear();
            }
            else{
                for(int l=0; l<acts.length; l++)
                    acts[l]=rPath+validFileName(acts[l]);
                loaded=true;
                //if(baseRep) lastElRep=baseRep->getCur();
            }
        }
        else
            clear();
        
        return result;
    }
}