inital commit

webroot/forum/inc/3rdparty/diff/Diff/ThreeWay/BlockBuilder.php

@@ -0,0 +1,71 @@
+<?php
+/**
+ * Copyright 2007-2017 Horde LLC (http://www.horde.org/)
+ *
+ * See the enclosed file COPYING for license information (LGPL). If you did
+ * not receive this file, see http://www.horde.org/licenses/lgpl21.
+ *
+ * @package Text_Diff
+ * @author  Geoffrey T. Dairiki <dairiki@dairiki.org>
+ */
+
+// Disallow direct access to this file for security reasons
+if(!defined("IN_MYBB"))
+{
+	die("Direct initialization of this file is not allowed.<br /><br />Please make sure IN_MYBB is defined.");
+}
+
+class Horde_Text_Diff_ThreeWay_BlockBuilder
+{
+    public function __construct()
+    {
+        $this->_init();
+    }
+
+    public function input($lines)
+    {
+        if ($lines) {
+            $this->_append($this->orig, $lines);
+        }
+    }
+
+    public function out1($lines)
+    {
+        if ($lines) {
+            $this->_append($this->final1, $lines);
+        }
+    }
+
+    public function out2($lines)
+    {
+        if ($lines) {
+            $this->_append($this->final2, $lines);
+        }
+    }
+
+    public function isEmpty()
+    {
+        return !$this->orig && !$this->final1 && !$this->final2;
+    }
+
+    public function finish()
+    {
+        if ($this->isEmpty()) {
+            return false;
+        } else {
+            $edit = new Horde_Text_Diff_ThreeWay_Op_Base($this->orig, $this->final1, $this->final2);
+            $this->_init();
+            return $edit;
+        }
+    }
+
+    protected function _init()
+    {
+        $this->orig = $this->final1 = $this->final2 = array();
+    }
+
+    protected function _append(&$array, $lines)
+    {
+        array_splice($array, sizeof($array), 0, $lines);
+    }
+}