2003/06/28 06:54:18

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

diff --git a/src/gnu/regexp/RETokenAny.java b/src/gnu/regexp/RETokenAny.java
new file mode 100644 (file)
index 0000000..f68ff16
--- /dev/null
+++ b/src/gnu/regexp/RETokenAny.java
@@ -0,0 +1,54 @@
+/*
+ *  gnu/regexp/RETokenAny.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 RETokenAny extends REToken {
+  /** True if '.' can match a newline (RE_DOT_NEWLINE) */
+  private boolean newline; 
+
+  /** True if '.' can't match a null (RE_DOT_NOT_NULL) */
+  private boolean matchNull;    
+  
+  RETokenAny(int subIndex, boolean newline, boolean matchNull) { 
+    super(subIndex);
+    this.newline = newline;
+    this.matchNull = matchNull;
+  }
+
+  int getMinimumLength() {
+    return 1;
+  }
+
+    boolean match(CharIndexed input, REMatch mymatch) {
+    char ch = input.charAt(mymatch.index);
+    if ((ch == CharIndexed.OUT_OF_BOUNDS)
+       || (!newline && (ch == '\n'))
+       || (matchNull && (ch == 0))) {
+       return false;
+    }
+    ++mymatch.index;
+    return next(input, mymatch);
+  }
+
+  void dump(StringBuffer os) {
+    os.append('.');
+  }
+}
+