update v1.0.3.3

vendor/phpspec/php-diff/lib/Diff/Renderer/Text/Unified.php

@@ -0,0 +1,87 @@
+<?php
+/**
+ * Unified diff generator for PHP DiffLib.
+ *
+ * PHP version 5
+ *
+ * Copyright (c) 2009 Chris Boulton <chris.boulton@interspire.com>
+ * 
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  - Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *  - Neither the name of the Chris Boulton nor the names of its contributors 
+ *    may be used to endorse or promote products derived from this software 
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package DiffLib
+ * @author Chris Boulton <chris.boulton@interspire.com>
+ * @copyright (c) 2009 Chris Boulton
+ * @license New BSD License http://www.opensource.org/licenses/bsd-license.php
+ * @version 1.1
+ * @link http://github.com/chrisboulton/php-diff
+ */
+
+require_once dirname(__FILE__).'/../Abstract.php';
+
+class Diff_Renderer_Text_Unified extends Diff_Renderer_Abstract
+{
+	/**
+	 * Render and return a unified diff.
+	 *
+	 * @return string The unified diff.
+	 */
+	public function render()
+	{
+		$diff = '';
+		$opCodes = $this->diff->getGroupedOpcodes();
+		foreach($opCodes as $group) {
+			$lastItem = count($group)-1;
+			$i1 = $group[0][1];
+			$i2 = $group[$lastItem][2];
+			$j1 = $group[0][3];
+			$j2 = $group[$lastItem][4];
+
+			if($i1 == 0 && $i2 == 0) {
+				$i1 = -1;
+				$i2 = -1;
+			}
+
+			$diff .= '@@ -'.($i1 + 1).','.($i2 - $i1).' +'.($j1 + 1).','.($j2 - $j1)." @@\n";
+			foreach($group as $code) {
+				list($tag, $i1, $i2, $j1, $j2) = $code;
+				if($tag == 'equal') {
+					$diff .= ' '.implode("\n ", $this->diff->GetA($i1, $i2))."\n";
+				}
+				else {
+					if($tag == 'replace' || $tag == 'delete') {
+						$diff .= '-'.implode("\n-", $this->diff->GetA($i1, $i2))."\n";
+					}
+
+					if($tag == 'replace' || $tag == 'insert') {
+						$diff .= '+'.implode("\n+", $this->diff->GetB($j1, $j2))."\n";
+					}
+				}
+			}
+		}
+		return $diff;
+	}
+}