Source code: org/incenter/ngbclient/Macro.java

   package org.incenter.ngbclient;
   import org.incenter.ngbclient.*;
   // macro object
   
   import java.lang.*;
   import java.util.*;
   
   public class Macro extends Object
   {
      private String name;     // macros name
      private String def;      // definition string from res file
      private Vector args;     // args supplied by user
      private Vector commands; // individual commands sep by ;
      private int status, current;
      public static final int M_NotEnoughCmds = -1;
      public static final int M_NotEnoughArgs = -2;
      public static final int M_OK = 0;
      private macroProvider myparent;
  
      public Macro(String _def) {
    def = new String(_def);
    args = commands = null;
    name = null;
    current = 0;
    myparent = null;
    parse();
      }
  
      public void setParent(macroProvider g) {
    myparent = g;
      }
  
      public Vector getCommands() {
    return commands;
      }
  
      public String getDef() {
    return def;
      }
  
      public Vector getCommand(String _args) {
    if(status != M_OK)
        return null;
  
    Vector runcmds = new Vector();
    StringTokenizer tok = new StringTokenizer(_args);
    args = new Vector();
    String buf, tmp = "", cmd = "", saved = "";
    int i, pos, argn = -1;
  
    while(tok.hasMoreTokens())
        args.addElement(tok.nextToken());
  
    for(i=0;i<commands.size();i++) {
        buf = (String)commands.elementAt(i);
        tok = new StringTokenizer(buf);
        while(tok.hasMoreTokens()) {
      buf = tok.nextToken();
      if(buf.startsWith("#")) {
          saved = "#";
          buf = buf.substring(1);
      } else 
          saved = "";
      if(buf.startsWith("$")) {
          // found a sub to make
          try {
        tmp = buf.substring(1);
        argn = new Integer(tmp).intValue();
        cmd = cmd + " " + saved + (String)args.elementAt(argn);
          } 
          catch(NumberFormatException e) {
        // a special arg
        if(tmp.startsWith("*"))
            cmd = cmd + " " + saved + _args;
        else if(tmp.startsWith("b")) {
            // handle builtship
            if(myparent != null)
          if(myparent.getBuiltship() != null) {
              cmd = cmd + " " + saved +
            myparent.getBuiltship();
          }
        }
  
          }
          catch(ArrayIndexOutOfBoundsException e) {
        // bad argnumber
        System.out.println("Bad arg number:" + argn);
          }
      } else
          cmd = cmd + " " + saved + buf;
        }
    parsed:;
        cmd = cmd.trim();
        runcmds.addElement(cmd);
        cmd = "";
    }
    return runcmds;
      }
  
     private void parse() {
   StringTokenizer tok = new StringTokenizer(def);
   String buf;
   int pos;
 
   if(tok.countTokens() < 2) {
       status = M_NotEnoughCmds;
       return;
   }
   commands = new Vector();
   name = tok.nextToken();
   tok = new StringTokenizer(def, ";");
   buf = tok.nextToken();
   pos = buf.indexOf(' ');
   buf = buf.substring(pos+1);
   commands.addElement(buf);
   while(tok.hasMoreTokens()) {
       buf = tok.nextToken();
       commands.addElement(buf);
   }
   status = M_OK;
     }
 
     public String getName() {
   return name;
     }
 
     public void debug() {
   int i;
 
   if(status != M_OK)
       System.out.println("Did not parse correctly");
   
   if(name != null)
       System.out.println("Name:" + name);
 
   if(commands != null)
       for(i=0;i<commands.size();i++)
     System.out.println("CMD:" + commands.elementAt(i));
   else
       System.out.println("No commands");
 
   if(args != null)
       for(i=0;i<args.size();i++)
     System.out.println("ARG:" + args.elementAt(i));
   else
       System.out.println("No args");
 
     }
 
     public static void main(String s[]) {
   Macro m = new Macro("m map $*");
   Macro n = new Macro("o ord $0 dest $1;repo");
   String cmd;
   Vector cmds;
   int i;
   m.debug();
   n.debug();
 
   cmds = m.getCommand("/FG dsds");
   System.out.println("Parsed[/m /Fg dsds]:");
   for(i=0;i<cmds.size();i++)
       System.out.println((String)cmds.elementAt(i) + " ");
   System.out.print('\n');
 
   cmds = n.getCommand("100 /Oly");
   System.out.println("Parsed[/n 100 /Oly]:");
   for(i=0;i<cmds.size();i++)
       System.out.println((String)cmds.elementAt(i) + " ");
   System.out.print('\n');
 
     }
 }