1 files changed, 69 insertions, 0 deletions
diff --git a/src/proguard/util/ListMatcher.java b/src/proguard/util/ListMatcher.java
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+/*
+ * ProGuard -- shrinking, optimization, obfuscation, and preverification
+ *             of Java bytecode.
+ *
+ * Copyright (c) 2002-2009 Eric Lafortune (eric@graphics.cornell.edu)
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program 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 General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+package proguard.util;
+
+/**
+ * This StringMatcher tests whether strings match a given list of StringMatcher
+ * instances. The instances are considered sequentially. Each instance in the
+ * list can optionally be negated, meaning that a match makes the entire
+ * remaining match fail.
+ *
+ * @author Eric Lafortune
+ */
+public class ListMatcher implements StringMatcher
+{
+    private final StringMatcher[] matchers;
+    private final boolean[]       negate;
+
+
+    public ListMatcher(StringMatcher[] matchers)
+    {
+        this(matchers, null);
+    }
+
+
+    public ListMatcher(StringMatcher[] matchers, boolean[] negate)
+    {
+        this.matchers = matchers;
+        this.negate   = negate;
+    }
+
+
+    // Implementations for StringMatcher.
+
+    public boolean matches(String string)
+    {
+        // Check the list of matchers.
+        for (int index = 0; index < matchers.length; index++)
+        {
+            StringMatcher matcher = matchers[index];
+            if (matcher.matches(string))
+            {
+                return negate == null ||
+                       !negate[index];
+            }
+        }
+
+        return negate != null &&
+               negate[negate.length - 1];
+
+    }
+}