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