needed for applet search

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

diff --git a/src/com/stevesoft/pat/Custom.java b/src/com/stevesoft/pat/Custom.java
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+++ b/src/com/stevesoft/pat/Custom.java
@@ -0,0 +1,42 @@
+//\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
+import java.util.Hashtable;\r
+\r
+/** Simple custom patterns.  See\r
+    <a href="http://javaregex.com/code/deriv2.java.html">deriv2.java</a>\r
+    and <a href="http://javaregex.com/code/deriv3.java.html">deriv3.java</a>\r
+    in the test directory.\r
+    @see com.stevesoft.pat.CustomEndpoint\r
+ */\r
+class Custom extends PatternSub {\r
+    String select;\r
+    Validator v;\r
+    int start;\r
+    Custom(String s) {\r
+        select = s;\r
+        v = (Validator)Regex.validators.get(s);\r
+    }\r
+    public int matchInternal(int pos,Pthings pt) {\r
+        start = pos;\r
+        return sub.matchInternal(pos,pt);\r
+    }\r
+    public String toString() {\r
+        String a = v.argsave == null ? "" : ":"+v.argsave;\r
+        return "(??"+select+a+")"+nextString();\r
+    }\r
+    public patInt minChars() { return v.minChars(); }\r
+    public patInt maxChars() { return v.maxChars(); }\r
+    Pattern clone1(Hashtable h) {\r
+        Custom c = new Custom(select);\r
+        h.put(c,c);\r
+        h.put(this,c);\r
+        c.sub = sub.clone(h);\r
+        return c;\r
+    }\r
+}\r