<?php /** * @link http://www.yiiframework.com/ * @copyright Copyright (c) 2008 Yii Software LLC * @license http://www.yiiframework.com/license/ */ namespace yii\gii\components; /** * Renders diff to HTML. Output adjusted to be copy-paste friendly. * * @author Alexander Makarov <sam@rmcreative.ru> * @since 2.0 */ class DiffRendererHtmlInline extends \Diff_Renderer_Html_Array { /** * Render a and return diff with changes between the two sequences * displayed inline (under each other) * * @return string The generated inline diff. */ public function render() { $changes = parent::render(); $html = ''; if (empty($changes)) { return $html; } $html .= <<<HTML <table class="Differences DifferencesInline"> <thead> <tr> <th>Old</th> <th>New</th> <th>Differences</th> </tr> </thead> HTML; foreach ($changes as $i => $blocks) { // If this is a separate block, we're condensing code so output ..., // indicating a significant portion of the code has been collapsed as // it is the same if ($i > 0) { $html .= <<<HTML <tbody class="Skipped"> <th data-line-number="…"></th> <th data-line-number="…"></th> <td> </td> </tbody> HTML; } foreach ($blocks as $change) { $tag = ucfirst($change['tag']); $html .= <<<HTML <tbody class="Change{$tag}"> HTML; // Equal changes should be shown on both sides of the diff if ($change['tag'] === 'equal') { foreach ($change['base']['lines'] as $no => $line) { $fromLine = $change['base']['offset'] + $no + 1; $toLine = $change['changed']['offset'] + $no + 1; $html .= <<<HTML <tr> <th data-line-number="{$fromLine}"></th> <th data-line-number="{$toLine}"></th> <td class="Left">{$line}</td> </tr> HTML; } } // Added lines only on the right side elseif ($change['tag'] === 'insert') { foreach ($change['changed']['lines'] as $no => $line) { $toLine = $change['changed']['offset'] + $no + 1; $html .= <<<HTML <tr> <th data-line-number=" "></th> <th data-line-number="{$toLine}"></th> <td class="Right"><ins>{$line}</ins> </td> </tr> HTML; } } // Show deleted lines only on the left side elseif ($change['tag'] === 'delete') { foreach ($change['base']['lines'] as $no => $line) { $fromLine = $change['base']['offset'] + $no + 1; $html .= <<<HTML <tr> <th data-line-number="{$fromLine}"></th> <th data-line-number=" "></th> <td class="Left"><del>{$line}</del> </td> </tr> HTML; } } // Show modified lines on both sides elseif ($change['tag'] === 'replace') { foreach ($change['base']['lines'] as $no => $line) { $fromLine = $change['base']['offset'] + $no + 1; $html .= <<<HTML <tr> <th data-line-number="{$fromLine}"></th> <th data-line-number=" "></th> <td class="Left"><span>{$line}</span></td> </tr> HTML; } foreach ($change['changed']['lines'] as $no => $line) { $toLine = $change['changed']['offset'] + $no + 1; $html .= <<<HTML <tr> <th data-line-number="{$toLine}"></th> <th data-line-number=" "></th> <td class="Right"><span>{$line}</span></td> </tr> HTML; } } $html .= <<<HTML </tbody> HTML; } } $html .= <<<HTML </table> HTML; return $html; } }