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<?php |
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/** |
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* (c) Steve Nebes <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace SN\DaisyDiff\Html\Ancestor; |
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use SN\DaisyDiff\Html\Ancestor\TagToString\TagToStringFactory; |
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use SN\DaisyDiff\Html\ChangeText; |
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use SN\DaisyDiff\Html\Dom\TagNode; |
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use SN\DaisyDiff\Html\Modification\HtmlLayoutChange; |
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use SN\DaisyDiff\RangeDifferencer\RangeDifference; |
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/** |
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* ChangeTextGenerator |
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*/ |
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class ChangeTextGenerator |
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{ |
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/** @var HtmlLayoutChange[] */ |
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private $htmlLayoutChanges = []; |
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/** @var AncestorComparator */ |
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private $ancestorComparator; |
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/** @var AncestorComparator */ |
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private $other; |
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/** @var TagToStringFactory */ |
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private $factory; |
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/** |
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* @param AncestorComparator $ancestorComparator |
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* @param AncestorComparator $other |
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*/ |
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public function __construct(AncestorComparator $ancestorComparator, AncestorComparator $other) |
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{ |
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$this->ancestorComparator = $ancestorComparator; |
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$this->other = $other; |
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$this->factory = new TagToStringFactory(); |
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} |
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/** |
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* @param RangeDifference[] $differences |
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* @return ChangeText |
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*/ |
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public function getChanged(array $differences): ChangeText |
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{ |
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$text = new ChangeText(); |
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$rootListOpened = false; |
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if (\count($differences) > 1) { |
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$text->startElement('ul', ['class' => 'changelist']); |
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$rootListOpened = true; |
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} |
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for ($j = 0, $jMax = \count($differences); $j < $jMax; $j++) { |
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/** @var RangeDifference $d */ |
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$d = $differences[$j]; |
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$lvl1ListOpened = false; |
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if ($rootListOpened) { |
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$text->startElement('li'); |
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} |
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if ($d->getLeftLength() + $d->getRightLength() > 1) { |
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$text->startElement('ul', ['class' => 'changelist']); |
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$lvl1ListOpened = true; |
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} |
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// Left are the old ones. |
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for ($i = $d->getLeftStart(), $iMax = $d->getLeftEnd(); $i < $iMax; $i++) { |
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if ($lvl1ListOpened) { |
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$text->startElement('li'); |
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} |
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// Add a bullet for an old tag. |
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$this->addTagOld($text, $this->other->getAncestor($i)); |
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if ($lvl1ListOpened) { |
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$text->endElement('li'); |
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} |
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} |
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// Right are the new ones. |
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for ($i = $d->getRightStart(), $iMax = $d->getRightEnd(); $i < $iMax; $i++) { |
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if ($lvl1ListOpened) { |
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$text->startElement('li'); |
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} |
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// Add a bullet for an old tag. |
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$this->addTagNew($text, $this->getAncestor($i)); |
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if ($lvl1ListOpened) { |
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$text->endElement('li'); |
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} |
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} |
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if ($lvl1ListOpened) { |
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$text->endElement('ul'); |
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} |
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if ($rootListOpened) { |
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$text->endElement('li'); |
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} |
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} |
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if ($rootListOpened) { |
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$text->endElement('ul'); |
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} |
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return $text; |
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} |
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/** |
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* @param ChangeText $text |
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* @param TagNode $ancestor |
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*/ |
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private function addTagOld(ChangeText $text, TagNode $ancestor): void |
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{ |
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$tagToString = $this->factory->create($ancestor); |
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$tagToString->getRemovedDescription($text); |
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$this->htmlLayoutChanges[] = $tagToString->getHtmlLayoutChange(); |
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} |
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/** |
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* @param ChangeText $text |
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* @param TagNode $ancestor |
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*/ |
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private function addTagNew(ChangeText $text, TagNode $ancestor): void |
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{ |
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$tagToString = $this->factory->create($ancestor); |
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$tagToString->getAddedDescription($text); |
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$this->htmlLayoutChanges[] = $tagToString->getHtmlLayoutChange(); |
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} |
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/** |
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* @param int $index |
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* @return TagNode |
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*/ |
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private function getAncestor(int $index): TagNode |
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{ |
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return $this->ancestorComparator->getAncestor($index); |
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} |
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/** |
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* @return HtmlLayoutChange[] |
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*/ |
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public function getHtmlLayoutChanges(): array |
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{ |
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return $this->htmlLayoutChanges; |
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} |
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} |
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snebes /
php-daisydiff
