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<?php |
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/* @description Transformation Style Sheets - Revolutionising PHP templating * |
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* @author Tom Butler [email protected] * |
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* @copyright 2015 Tom Butler <[email protected]> | https://r.je/ * |
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* @license http://www.opensource.org/licenses/bsd-license.php BSD License * |
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* @version 1.0 */ |
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namespace Transphporm\Hook; |
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/** Hooks into the template system, gets assigned as `ul li` or similar and `run()` is called with any elements that match */ |
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class PropertyHook implements \Transphporm\Hook { |
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private $rules; |
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private $baseDir; |
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private $configLine; |
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private $file; |
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private $line; |
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private $valueParser; |
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private $pseudoMatcher; |
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private $properties = []; |
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private $functionSet; |
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public function __construct(array $rules, &$baseDir, &$configLine, $file, $line, PseudoMatcher $pseudoMatcher, \Transphporm\Parser\Value $valueParser, \Transphporm\FunctionSet $functionSet) { |
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$this->rules = $rules; |
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$this->baseDir = &$baseDir; |
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$this->configLine = &$configLine; |
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$this->file = $file; |
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$this->line = $line; |
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$this->valueParser = $valueParser; |
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$this->pseudoMatcher = $pseudoMatcher; |
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$this->functionSet = $functionSet; |
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if ($this->file !== null) $this->baseDir = dirname(realpath($this->file)) . DIRECTORY_SEPARATOR; |
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} |
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public function run(\DomElement $element) { |
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$this->functionSet->setElement($element); |
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$this->configLine = $this->line; |
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try { |
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//Don't run if there's a pseudo element like nth-child() and this element doesn't match it |
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if (!$this->pseudoMatcher->matches($element)) return; |
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$this->callProperties($element); |
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} |
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catch (\Transphporm\RunException $e) { |
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throw new \Transphporm\Exception($e, $this->file, $this->line); |
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} |
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} |
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// TODO: Have all rule values parsed before running them so that things like `content-append` are not expecting tokens |
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// problem with this is that anything in data changed by run properties is not shown |
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// TODO: Allow `update-frequency` to be parsed before it is accessed in rule (might need to switch location of rule check) |
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private function callProperties($element) { |
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foreach ($this->rules as $name => $value) { |
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$result = $this->callProperty($name, $element, $this->getArgs($value)); |
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if ($result === false) break; |
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} |
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} |
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private function getArgs($value) { |
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return $this->valueParser->parseTokens($value); |
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} |
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public function registerProperty($name, \Transphporm\Property $property) { |
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$this->properties[$name] = $property; |
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} |
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private function callProperty($name, $element, $value) { |
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if (isset($this->properties[$name])) { |
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try { |
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return $this->properties[$name]->run($value, $element, $this->rules, $this->pseudoMatcher, $this->properties); |
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} |
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catch (\Exception $e) { |
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if ($e instanceof \Transphporm\RunException) throw $e; |
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throw new \Transphporm\RunException(\Transphporm\Exception::PROPERTY, $name, $e); |
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} |
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} |
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} |
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} |
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Level-2 /
Transphporm
