X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fcom%2Fstevesoft%2Fpat%2FValidator.java;h=2803f58c82f423369d79afbcde580ea107e037d0;hb=3459a8a691cb22508d7067f240b7254e588e77d3;hp=facd3f789bd537d3e0ec7f8347504d5162a18e49;hpb=c40cf903f740a72ab63dd1abc10fa33450ce660d;p=jalview.git

diff --git a/src/com/stevesoft/pat/Validator.java b/src/com/stevesoft/pat/Validator.java
index facd3f7..2803f58 100755
--- a/src/com/stevesoft/pat/Validator.java
+++ b/src/com/stevesoft/pat/Validator.java
@@ -1,58 +1,75 @@
-//
-// 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;
-
-/** This class makes it easy to create your own patterns
-and integrate them into Regex.  For more detail, see the
-example file <a href="http://javaregex.com/code/deriv2.java.html">deriv2.java</a> or
-<a href="http://javaregex.com/code/deriv3.java.html">deriv3.java</a>. */
-
-public class Validator {
-    String argsave = null;
-    String pattern = ".";
-    /**
-    This method does extra checking on a matched section of
-    a String beginning at position start and ending at end.
-    The idea is that you can do extra checking with this
-    that you don't know how to do with a standard Regex.
-
-    If this method is successful, it returns the location
-    of the end of this pattern element -- that may be the
-    value end provided or some other value.  A negative
-    value signifies that a match failure.
-    
-    By default, this method just returns end and thus
-    does nothing.
-    @see com.stevesoft.pat.Regex#define(java.lang.String,java.lang.String,com.stevesoft.pat.Validator)
-    */
-    public int validate(StringLike src,int start,int end) {
-        return end;
-    }
-    /* This method allows you to modify the behavior of this
-    validator by making a new Validator object.  If a Validator
-    named "foo" is defined, then the pattern "{??foo:bar}" will
-    cause Regex to first get the Validator given to Regex.define
-    and then to call its arg method with the string "bar".
-    If this method returns a null (the default) you get the same
-    behavior as the pattern "{??foo}" would supply. */
-    public Validator arg(String s) { return null; }
-
-    /** For optimization it is helpful, but not necessary, that
-    you define the minimum number of characters this validator
-    will allow to match.  To do this 
-    return new patInt(number) where number is the smallest
-    number of characters that can match. */
-    public patInt minChars() { return new patInt(0); }
-
-    /** For optimization it is helpful, but not necessary, that
-    you define the maximum number of characters this validator
-    will allow to match.  To do this either
-    return new patInt(number), or new patInf() if an infinite
-    number of characters may match. */
-    public patInt maxChars() { return new patInf(); }
-}
+//
+// 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;
+
+/**
+ * This class makes it easy to create your own patterns and integrate them into
+ * Regex. For more detail, see the example file
+ * <a href="http://javaregex.com/code/deriv2.java.html">deriv2.java</a> or
+ * <a href="http://javaregex.com/code/deriv3.java.html">deriv3.java</a>.
+ */
+
+public class Validator
+{
+  String argsave = null;
+
+  String pattern = ".";
+
+  /**
+   * This method does extra checking on a matched section of a String beginning
+   * at position start and ending at end. The idea is that you can do extra
+   * checking with this that you don't know how to do with a standard Regex.
+   * 
+   * If this method is successful, it returns the location of the end of this
+   * pattern element -- that may be the value end provided or some other value.
+   * A negative value signifies that a match failure.
+   * 
+   * By default, this method just returns end and thus does nothing.
+   * 
+   * @see com.stevesoft.pat.Regex#define(java.lang.String,java.lang.String,com.stevesoft.pat.Validator)
+   */
+  public int validate(StringLike src, int start, int end)
+  {
+    return end;
+  }
+
+  /*
+   * This method allows you to modify the behavior of this validator by making a
+   * new Validator object. If a Validator named "foo" is defined, then the
+   * pattern "{??foo:bar}" will cause Regex to first get the Validator given to
+   * Regex.define and then to call its arg method with the string "bar". If this
+   * method returns a null (the default) you get the same behavior as the
+   * pattern "{??foo}" would supply.
+   */
+  public Validator arg(String s)
+  {
+    return null;
+  }
+
+  /**
+   * For optimization it is helpful, but not necessary, that you define the
+   * minimum number of characters this validator will allow to match. To do this
+   * return new patInt(number) where number is the smallest number of characters
+   * that can match.
+   */
+  public patInt minChars()
+  {
+    return new patInt(0);
+  }
+
+  /**
+   * For optimization it is helpful, but not necessary, that you define the
+   * maximum number of characters this validator will allow to match. To do this
+   * either return new patInt(number), or new patInf() if an infinite number of
+   * characters may match.
+   */
+  public patInt maxChars()
+  {
+    return new patInf();
+  }
+}