2003/06/28 06:54:18

[org.ibex.core.git] / src / gnu / regexp / RETokenEnd.java

diff --git a/src/gnu/regexp/RETokenEnd.java b/src/gnu/regexp/RETokenEnd.java
new file mode 100644 (file)
index 0000000..cfa0640
--- /dev/null
+++ b/src/gnu/regexp/RETokenEnd.java
@@ -0,0 +1,55 @@
+/*
+ *  gnu/regexp/RETokenEnd.java
+ *  Copyright (C) 1998-2001 Wes Biggs
+ *
+ *  This library is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU Lesser General Public License as published
+ *  by the Free Software Foundation; either version 2.1 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+package gnu.regexp;
+
+final class RETokenEnd extends REToken {
+    /**
+     * Indicates whether this token should match on a line break.
+     */
+  private String newline;
+
+  RETokenEnd(int subIndex,String newline) { 
+    super(subIndex);
+    this.newline = newline;
+  }
+
+    boolean match(CharIndexed input, REMatch mymatch) {
+       char ch = input.charAt(mymatch.index);
+       if (ch == CharIndexed.OUT_OF_BOUNDS)
+           return ((mymatch.eflags & RE.REG_NOTEOL)>0) ? 
+               false : next(input, mymatch);
+       if (newline != null) {
+           char z;
+           int i = 0; // position in newline
+           do {
+               z = newline.charAt(i);
+               if (ch != z) return false;
+               ++i;
+               ch = input.charAt(mymatch.index + i);
+           } while (i < newline.length());
+           
+           return next(input, mymatch);
+       }
+       return false;
+    }
+
+  void dump(StringBuffer os) {
+    os.append('$');
+  }
+}