X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fcom%2Fstevesoft%2Fpat%2FGroup.java;h=4f538b5d565b9a10051ce62412ccefaca81e77c5;hb=7bc226b58110fa26d9dbd3f0c78095d06909ffc3;hp=4f731144091b91aecb22af871e8b4a75db6b54a5;hpb=dd74fc4938723fe5ec48d4e5fdcfbe58ac42a48d;p=jalview.git

diff --git a/src/com/stevesoft/pat/Group.java b/src/com/stevesoft/pat/Group.java
index 4f73114..4f538b5 100755
--- a/src/com/stevesoft/pat/Group.java
+++ b/src/com/stevesoft/pat/Group.java
@@ -6,37 +6,70 @@
 //    -- Happy Computing!
 //
 package com.stevesoft.pat;
-import java.util.Hashtable;
+
+import java.util.*;
 
 /** This class implements the (?@<>) syntax that matches
  a balanced parenthesis.  Not in perl 5. */
-class Group extends Pattern {
-    char op,cl;
-    Group(char opi,char cli) {
-        op = opi;
-        cl = cli;
-    }
-    public int matchInternal(int pos,Pthings pt) {
-        int i,count=1;
-        if(pos < pt.src.length())
-            if(!Masked(pos,pt) && pt.src.charAt(pos) != op)
-                return -1;
-        for(i=pos+1;i<pt.src.length();i++) {
-            char c = pt.src.charAt(i);
-            boolean b = !Masked(i,pt);
-            if(b && c == ESC) {
-                i++;
-            } else {
-                if(b && c == cl) count--;
-                if(count == 0) return nextMatch(i+1,pt);
-                if(b && c == op) count++;
-            }
-        }
+class Group
+    extends Pattern
+{
+  char op, cl;
+  Group(char opi, char cli)
+  {
+    op = opi;
+    cl = cli;
+  }
+
+  public int matchInternal(int pos, Pthings pt)
+  {
+    int i, count = 1;
+    if (pos < pt.src.length())
+    {
+      if (!Masked(pos, pt) && pt.src.charAt(pos) != op)
+      {
         return -1;
+      }
     }
-    public String toString() {
-        return "(?@"+op+cl+")"+nextString();
+    for (i = pos + 1; i < pt.src.length(); i++)
+    {
+      char c = pt.src.charAt(i);
+      boolean b = !Masked(i, pt);
+      if (b && c == ESC)
+      {
+        i++;
+      }
+      else
+      {
+        if (b && c == cl)
+        {
+          count--;
+        }
+        if (count == 0)
+        {
+          return nextMatch(i + 1, pt);
+        }
+        if (b && c == op)
+        {
+          count++;
+        }
+      }
     }
-    public patInt minChars() { return new patInt(2); }
-    Pattern clone1(Hashtable h) { return new Group(op,cl); }
+    return -1;
+  }
+
+  public String toString()
+  {
+    return "(?@" + op + cl + ")" + nextString();
+  }
+
+  public patInt minChars()
+  {
+    return new patInt(2);
+  }
+
+  Pattern clone1(Hashtable h)
+  {
+    return new Group(op, cl);
+  }
 };