1 files changed, 180 insertions, 0 deletions
diff --git a/third_party/java/proguard/proguard5.3.3/src/proguard/util/ListUtil.java b/third_party/java/proguard/proguard5.3.3/src/proguard/util/ListUtil.java
new file mode 100644
index 0000000000..6b63669cbd
--- /dev/null
+++ b/third_party/java/proguard/proguard5.3.3/src/proguard/util/ListUtil.java
@@ -0,0 +1,180 @@
+/*
+ * 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;
+
+import java.util.*;
+
+
+/**
+ * This class provides some utility methods for working with
+ * <code>java.util.List</code> objects.
+ *
+ * @author Eric Lafortune
+ */
+public class ListUtil
+{
+    /**
+     * Creates a comma-separated String from the given List of String objects.
+     */
+    public static String commaSeparatedString(List list, boolean quoteStrings)
+    {
+        if (list == null)
+        {
+            return null;
+        }
+
+        StringBuffer buffer = new StringBuffer();
+
+        for (int index = 0; index < list.size(); index++)
+        {
+            if (index > 0)
+            {
+                buffer.append(',');
+            }
+
+            String string = (String)list.get(index);
+
+            if (quoteStrings)
+            {
+                string = quotedString(string);
+            }
+
+            buffer.append(string);
+        }
+
+        return buffer.toString();
+    }
+
+
+    /**
+     * Creates a List of String objects from the given comma-separated String.
+     */
+    public static List commaSeparatedList(String string)
+    {
+        if (string == null)
+        {
+            return null;
+        }
+
+        List list = new ArrayList();
+        int index = 0;
+        while ((index = skipWhitespace(string, index)) < string.length())
+        {
+            int nextIndex;
+
+            // Do we have an opening quote?
+            if (string.charAt(index) == '\'')
+            {
+                // Parse a quoted string.
+                nextIndex = string.indexOf('\'', index + 1);
+                if (nextIndex < 0)
+                {
+                    nextIndex = string.length();
+                }
+
+                list.add(string.substring(index + 1, nextIndex));
+            }
+            else
+            {
+                // Parse a non-quoted string.
+                nextIndex = string.indexOf(',', index);
+                if (nextIndex < 0)
+                {
+                    nextIndex = string.length();
+                }
+
+                String substring = string.substring(index, nextIndex).trim();
+                if (substring.length() > 0)
+                {
+                    list.add(substring);
+                }
+            }
+
+            index = nextIndex + 1;
+        }
+
+        return list;
+    }
+
+
+    /**
+     * Skips any whitespace characters.
+     */
+    private static int skipWhitespace(String string, int index)
+    {
+        while (index < string.length() &&
+               Character.isWhitespace(string.charAt(index)))
+        {
+            index++;
+        }
+        return index;
+    }
+
+
+    /**
+     * Returns a quoted version of the given string, if necessary.
+     */
+    private static String quotedString(String string)
+    {
+        return string.length()     == 0 ||
+               string.indexOf(' ') >= 0 ||
+               string.indexOf('@') >= 0 ||
+               string.indexOf('{') >= 0 ||
+               string.indexOf('}') >= 0 ||
+               string.indexOf('(') >= 0 ||
+               string.indexOf(')') >= 0 ||
+               string.indexOf(':') >= 0 ||
+               string.indexOf(';') >= 0 ||
+               string.indexOf(',') >= 0  ? ("'" + string + "'") :
+                                           (      string      );
+    }
+
+
+    public static void main(String[] args)
+    {
+        if (args.length == 1)
+        {
+            System.out.println("Input string: ["+args[0]+"]");
+
+            List list = commaSeparatedList(args[0]);
+
+            System.out.println("Resulting list:");
+            for (int index = 0; index < list.size(); index++)
+            {
+                System.out.println("["+list.get(index)+"]");
+            }
+        }
+        else
+        {
+            List list = Arrays.asList(args);
+
+            System.out.println("Input list:");
+            for (int index = 0; index < list.size(); index++)
+            {
+                System.out.println("["+list.get(index)+"]");
+            }
+
+            String string = commaSeparatedString(list, true);
+
+            System.out.println("Resulting string: ["+string+"]");
+        }
+    }
+}