Pileus Git - ~andy/spades/blob - src/org/pileus/spades/Message.java

   1 package org.pileus.spades;
   2
   3 import java.util.regex.Pattern;
   4 import java.util.regex.Matcher;
   5
   6 public class Message
   7 {
   8         /* Enumerations */
   9         enum Type {
  10                 OTHER,
  11                 PRIVMSG,
  12                 TOPIC,
  13                 NAMES,
  14         };
  15
  16         /* Constnats */
  17         private final  String  reMsg  = "(:([^ ]+) +)?(([A-Z0-9]+) +)(([^ ]+)[= ]+)?(([^: ]+) +)?(:(.*))";
  18         private final  String  reFrom = "([^! ]+)!.*";
  19         private final  String  reTo   = "(([^ :,]*)[:,] *)?(.*)";
  20
  21         private static Pattern ptMsg  = null;
  22         private static Pattern ptFrom = null;
  23         private static Pattern ptTo   = null;
  24
  25         /* Public data */
  26         public String  line = "";
  27
  28         public String  src  = "";
  29         public String  cmd  = "";
  30         public String  dst  = "";
  31         public String  arg  = "";
  32         public String  msg  = "";
  33
  34         public Type    type = Type.OTHER;
  35         public String  from = "";
  36         public String  to   = "";
  37         public String  txt  = "";
  38
  39         /* Private methods */
  40         private String notnull(String string)
  41         {
  42                 return string == null ? "" : string;
  43         }
  44
  45         /* Public Methods */
  46         public Message(String dst, String from, String msg)
  47         {
  48                 this.cmd  = "PRIVMSG";
  49                 this.dst  = dst;
  50                 this.from = from;
  51                 this.msg  = msg;
  52                 this.line = this.cmd + " " + this.dst + " :" + this.msg;
  53         }
  54
  55         public Message(String line)
  56         {
  57                 // Initialize regexes
  58                 if (ptMsg  == null) ptMsg  = Pattern.compile(reMsg);
  59                 if (ptFrom == null) ptFrom = Pattern.compile(reFrom);
  60                 if (ptTo   == null) ptTo   = Pattern.compile(reTo);
  61
  62                 // Cleanup line
  63                 line = line.replaceAll("\\s+",       " ");
  64                 line = line.replaceAll("^ | $",      "");
  65                 line = line.replaceAll("\003[0-9]*", "");
  66                 this.line = line;
  67
  68                 // Split line into parts
  69                 Matcher mrMsg = ptMsg.matcher(line);
  70                 if (mrMsg.matches()) {
  71                         this.src  = notnull(mrMsg.group(2));
  72                         this.cmd  = notnull(mrMsg.group(4));
  73                         this.dst  = notnull(mrMsg.group(6));
  74                         this.arg  = notnull(mrMsg.group(8));
  75                         this.msg  = notnull(mrMsg.group(10));
  76                 }
  77
  78                 // Determine friendly parts
  79                 Matcher mrFrom = ptFrom.matcher(this.src);
  80                 if (mrFrom.matches())
  81                         this.from = notnull(mrFrom.group(1));
  82
  83                 Matcher mrTo = ptTo.matcher(this.msg);
  84                 if (mrTo.matches())
  85                         this.to   = notnull(mrTo.group(2));
  86
  87                 if (this.to.equals(""))
  88                         this.txt  = notnull(this.msg);
  89                 else
  90                         this.txt  = notnull(mrTo.group(3));
  91
  92                 // Parse commands names
  93                 if (this.cmd.equals("PRIVMSG")) this.type = Type.PRIVMSG;
  94                 if (this.cmd.equals("332"))     this.type = Type.TOPIC;
  95                 if (this.cmd.equals("353"))     this.type = Type.NAMES;
  96         }
  97
  98         public void debug()
  99         {
 100                 Os.debug("---------------------");
 101                 Os.debug("line = [" + line + "]");
 102                 Os.debug("src  = " + this.src);
 103                 Os.debug("cmd  = " + this.cmd);
 104                 Os.debug("dst  = " + this.dst);
 105                 Os.debug("arg  = " + this.arg);
 106                 Os.debug("msg  = " + this.msg);
 107                 Os.debug("from = " + this.from);
 108                 Os.debug("to   = " + this.to);
 109                 Os.debug("txt  = " + this.txt);
 110                 Os.debug("---------------------");
 111         }
 112
 113         public String toString()
 114         {
 115                 return this.from + ": " + this.txt;
 116         }
 117 }