1 files changed, 51 insertions, 0 deletions
diff --git a/third_party/java/proguard/proguard5.3.3/src/proguard/util/StringMatcher.java b/third_party/java/proguard/proguard5.3.3/src/proguard/util/StringMatcher.java
new file mode 100644
index 0000000000..3e4c3d9a1a
--- /dev/null
+++ b/third_party/java/proguard/proguard5.3.3/src/proguard/util/StringMatcher.java
@@ -0,0 +1,51 @@
+/*
+ * ProGuard -- shrinking, optimization, obfuscation, and preverification
+ *             of Java bytecode.
+ *
+ * Copyright (c) 2002-2017 Eric Lafortune @ GuardSquare
+ *
+ * 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 abstract class provides methods to determine whether strings match
+ * a given criterion, which is specified by the implementation.
+ *
+ * @author Eric Lafortune
+ */
+public abstract class StringMatcher
+{
+    /**
+     * Checks whether the given string matches.
+     * @param string the string to match.
+     * @return a boolean indicating whether the string matches the criterion.
+     */
+    public boolean matches(String string)
+    {
+        return matches(string, 0, string.length());
+    }
+
+
+    /**
+     * Checks whether the given substring matches.
+     * @param string the string to match.
+     * @param offset the start offset of the substring.
+     * @param length the length of the substring.
+     * @return a boolean indicating whether the substring matches the criterion.
+     */
+    protected abstract boolean matches(String string, int offset, int length);
+}