util/Depend.java

   1
   2 package org.de.metux.util;
   3
   4 public class Depend
   5 {
   6     public Version version;
   7     public String version_str   = "0.0.0.0";
   8     public String package_name;
   9     public String depend_str;
  10     public String[] features;
  11
  12     public Depend (String text)
  13     {
  14         String[] myfeatures = new String[30];
  15         int num_features = 0;
  16
  17         depend_str = text;
  18
  19         int x,y;
  20
  21         /* this is the position where the name part ends in our string */
  22         int name_end = -1;
  23         int parse_ptr = 0;
  24
  25         /* cut out eventual version information */
  26         if ((x=text.indexOf("(>="))!=-1)
  27         {
  28             if (x==0)
  29                 throw new RuntimeException("parse error: missing name part");
  30
  31             y=text.indexOf(')', x+1);
  32             if (y==-1)
  33                 throw new RuntimeException("parse error: missing closing bracket");
  34
  35             version_str = text.substring(x+3,y);
  36             name_end = x;
  37             parse_ptr = y;
  38         }
  39
  40         /* cut out features */
  41         while ((x=text.indexOf("[",parse_ptr))!=-1)
  42         {
  43             if ((y=text.indexOf("]",x+1))==-1)
  44                 throw new RuntimeException("parse error: missing ]");
  45             myfeatures[num_features++] = text.substring(x+1,y);
  46             parse_ptr = y;
  47             if (name_end==-1)
  48                 name_end = x;
  49         }
  50         if (num_features>0)
  51         {
  52             features = new String[num_features];
  53             for (int a=0; a<num_features; a++)
  54             {
  55                 features[a] = myfeatures[a];
  56             }
  57         }
  58
  59         if (name_end==-1)
  60             package_name = text;
  61         else
  62             package_name = text.substring(0,name_end);
  63
  64         version = new Version(version_str);
  65     }
  66 }