merge from 2_4_Release branch

[jalview.git] / src / com / stevesoft / pat / Backup.java

diff --git a/src/com/stevesoft/pat/Backup.java b/src/com/stevesoft/pat/Backup.java
index 31c41c4..1986460 100755 (executable)
--- a/src/com/stevesoft/pat/Backup.java
+++ b/src/com/stevesoft/pat/Backup.java
@@ -1,52 +1,54 @@
-//\r
-// This software is now distributed according to\r
-// the Lesser Gnu Public License.  Please see\r
-// http://www.gnu.org/copyleft/lesser.txt for\r
-// the details.\r
-//    -- Happy Computing!\r
-//\r
-package com.stevesoft.pat;\r
-\r
-import java.util.*;\r
-\r
-/** Implements the (?<number) Pattern, where number is\r
- an integer telling us how far to back up in the Pattern.\r
- Not in perl 5. It also allows (?>number). */\r
-class Backup\r
-    extends Pattern\r
-{\r
-  int bk;\r
-  Backup(int ii)\r
-  {\r
-    bk = ii;\r
-  }\r
-\r
-  public String toString()\r
-  {\r
-    return "(?" + (bk < 0 ? ">" + ( -bk) : "<" + bk) + ")" + nextString();\r
-  }\r
-\r
-  public int matchInternal(int pos, Pthings pt)\r
-  {\r
-    if (pos < bk)\r
-    {\r
-      return -1;\r
-    }\r
-    return nextMatch(pos - bk, pt);\r
-  }\r
-\r
-  public patInt minChars()\r
-  {\r
-    return new patInt( -bk);\r
-  }\r
-\r
-  public patInt maxChars()\r
-  {\r
-    return new patInt( -bk);\r
-  }\r
-\r
-  public Pattern clone1(Hashtable h)\r
-  {\r
-    return new Backup(bk);\r
-  }\r
-};\r
+//
+// This software is now distributed according to
+// the Lesser Gnu Public License.  Please see
+// http://www.gnu.org/copyleft/lesser.txt for
+// the details.
+//    -- Happy Computing!
+//
+package com.stevesoft.pat;
+
+import java.util.*;
+
+/**
+ * Implements the (?&lt;number) Pattern, where number is an integer telling us
+ * how far to back up in the Pattern. Not in perl 5. It also allows
+ * (?&gt;number).
+ */
+class Backup extends Pattern
+{
+  int bk;
+
+  Backup(int ii)
+  {
+    bk = ii;
+  }
+
+  public String toString()
+  {
+    return "(?" + (bk < 0 ? ">" + (-bk) : "<" + bk) + ")" + nextString();
+  }
+
+  public int matchInternal(int pos, Pthings pt)
+  {
+    if (pos < bk)
+    {
+      return -1;
+    }
+    return nextMatch(pos - bk, pt);
+  }
+
+  public patInt minChars()
+  {
+    return new patInt(-bk);
+  }
+
+  public patInt maxChars()
+  {
+    return new patInt(-bk);
+  }
+
+  public Pattern clone1(Hashtable h)
+  {
+    return new Backup(bk);
+  }
+};