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<?php |
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/** |
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* @package s9e\TextFormatter |
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* @copyright Copyright (c) 2010-2016 The s9e Authors |
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* @license http://www.opensource.org/licenses/mit-license'); The MIT License |
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*/ |
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namespace s9e\TextFormatter\Configurator; |
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use ArrayAccess; |
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use Iterator; |
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use s9e\TextFormatter\Configurator\Collections\TemplateNormalizationList; |
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use s9e\TextFormatter\Configurator\Helpers\TemplateHelper; |
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use s9e\TextFormatter\Configurator\Items\Tag; |
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use s9e\TextFormatter\Configurator\Traits\CollectionProxy; |
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/** |
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* @method mixed add(mixed $value, null $void) |
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* @method mixed append(mixed $value) |
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* @method array asConfig() |
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* @method void clear() |
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* @method bool contains(mixed $value) |
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* @method integer count() |
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* @method mixed current() |
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* @method void delete(string $key) |
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* @method bool exists(string $key) |
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* @method mixed get(string $key) |
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* @method mixed indexOf(mixed $value) |
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* @method mixed insert(integer $offset, mixed $value) |
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* @method integer|string key() |
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* @method mixed next() |
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* @method integer normalizeKey(mixed $key) |
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* @method TemplateNormalization normalizeValue(mixed $value) |
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* @method bool offsetExists(string|integer $offset) |
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* @method mixed offsetGet(string|integer $offset) |
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* @method void offsetSet(mixed $offset, mixed $value) |
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* @method void offsetUnset(string|integer $offset) |
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* @method string onDuplicate(string|null $action) |
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* @method mixed prepend(mixed $value) |
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* @method integer remove(mixed $value) |
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* @method void rewind() |
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* @method mixed set(string $key, mixed $value) |
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* @method bool valid() |
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*/ |
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class TemplateNormalizer implements ArrayAccess, Iterator |
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{ |
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use CollectionProxy; |
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/** |
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* @var TemplateNormalizationList Collection of TemplateNormalization instances |
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*/ |
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protected $collection; |
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/** |
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* Constructor |
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* |
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* Will load the default normalization rules |
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*/ |
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public function __construct() |
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{ |
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$this->collection = new TemplateNormalizationList; |
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$this->collection->append('PreserveSingleSpaces'); |
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$this->collection->append('RemoveComments'); |
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$this->collection->append('RemoveInterElementWhitespace'); |
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$this->collection->append('FixUnescapedCurlyBracesInHtmlAttributes'); |
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$this->collection->append('FoldArithmeticConstants'); |
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$this->collection->append('InlineAttributes'); |
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$this->collection->append('InlineCDATA'); |
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$this->collection->append('InlineElements'); |
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$this->collection->append('InlineInferredValues'); |
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$this->collection->append('InlineTextElements'); |
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$this->collection->append('InlineXPathLiterals'); |
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$this->collection->append('MinifyXPathExpressions'); |
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$this->collection->append('NormalizeAttributeNames'); |
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$this->collection->append('NormalizeElementNames'); |
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$this->collection->append('NormalizeUrls'); |
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$this->collection->append('OptimizeConditionalAttributes'); |
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$this->collection->append('OptimizeConditionalValueOf'); |
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$this->collection->append('OptimizeChoose'); |
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$this->collection->append('SetRelNoreferrerOnTargetedLinks'); |
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} |
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/** |
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* Normalize a tag's templates |
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* |
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* @param Tag $tag Tag whose templates will be normalized |
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* @return void |
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*/ |
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public function normalizeTag(Tag $tag) |
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{ |
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if (isset($tag->template) && !$tag->template->isNormalized()) |
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{ |
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$tag->template->normalize($this); |
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} |
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} |
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/** |
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* Normalize a template |
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* |
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* @param string $template Original template |
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* @return string Normalized template |
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*/ |
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public function normalizeTemplate($template) |
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{ |
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$dom = TemplateHelper::loadTemplate($template); |
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// We'll keep track of what normalizations have been applied |
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$applied = []; |
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// Apply all the normalizations until no more change is made or we've reached the maximum |
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// number of loops |
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$loops = 5; |
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do |
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{ |
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$old = $template; |
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foreach ($this->collection as $k => $normalization) |
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{ |
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if (isset($applied[$k]) && !empty($normalization->onlyOnce)) |
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{ |
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continue; |
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} |
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$normalization->normalize($dom->documentElement); |
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$applied[$k] = 1; |
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} |
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$template = TemplateHelper::saveTemplate($dom); |
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} |
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while (--$loops && $template !== $old); |
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return $template; |
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} |
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} |
s9e /
TextFormatter
