X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fcom%2Fstevesoft%2Fpat%2FValidator.java;h=dbedca5ab8dc39cf9593764fd702661c2dc871ba;hb=c04310f7ba78eea3fd45cdd835a20742e842d73c;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..dbedca5 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 deriv2.java or
-deriv3.java. */
-
-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 deriv2.java or deriv3.java.
+ */
+
+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();
+ }
+}