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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 0.9 */ |
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namespace Transphporm; |
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/** Builds a Transphorm instance from the 3 constituent parts. XML template string, TSS string and data */ |
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class Builder { |
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private $template; |
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private $tss; |
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private $registeredProperties = []; |
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private $formatters = []; |
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private $locale; |
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private $baseDir; |
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private $cache; |
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private $userCache; |
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private $time; |
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public function __construct($template, $tss = '') { |
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$this->template = $template; |
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$this->tss = $tss; |
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$this->cache = new Cache(new \ArrayObject()); |
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} |
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public function setTime($time) { |
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$this->time = $time; |
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} |
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public function output($data = null, $document = false) { |
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$locale = $this->getLocale(); |
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$data = new Hook\DataFunction(new \SplObjectStorage(), $data, $locale, $this->baseDir); |
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$headers = []; |
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$this->registerProperties($this->getBasicProperties($data, $locale, $headers)); |
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$cachedOutput = $this->loadTemplate(); |
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$xml = $cachedOutput['body']; |
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//To be a valid XML document it must have a root element, automatically wrap it in <template> to ensure it does |
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$template = new Template($this->isValidDoc($xml) ? $xml : '<template>' . $xml . '</template>' ); |
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//Allow $time to be set via arguments to spoof time passage during tests |
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foreach ($this->getRules($template) as $rule) { |
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if ($rule->shouldRun($this->time)) $this->executeTssRule($rule, $template, $data); |
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} |
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$result = ['headers' => array_merge($cachedOutput['headers'], $headers), 'body' => $template->output($document)]; |
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$this->cache->write($this->template, $result); |
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$result['body'] = $this->doPostProcessing($template)->output($document); |
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return (object) $result; |
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} |
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private function doPostProcessing($template) { |
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$template->addHook('//*[@transphporm]', new Hook\PostProcess()); |
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return $template; |
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} |
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private function executeTssRule($rule, $template, $data) { |
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$rule->touch(); |
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$hook = new Hook\Rule($rule->properties, new Hook\PseudoMatcher($rule->pseudo, $data), $data); |
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foreach ($this->registeredProperties as $properties) $hook->registerProperties($properties); |
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$template->addHook($rule->query, $hook); |
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} |
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private function loadTemplate() { |
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if (trim($this->template)[0] !== '<') { |
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$xml = $this->cache->load($this->template, filemtime($this->template)); |
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return $xml ? $xml : ['body' => file_get_contents($this->template), 'headers' => []]; |
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} |
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else return ['body' => $this->template, 'headers' => []]; |
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} |
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private function getRules($template) { |
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if (is_file($this->tss)) { |
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$this->baseDir = dirname(realpath($this->tss)) . DIRECTORY_SEPARATOR; |
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$key = $this->tss . $template->getPrefix() . $this->baseDir; |
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$rules = $this->cache->load($key, filemtime($this->tss)); |
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if (!$rules) return $this->cache->write($key, (new Sheet(file_get_contents($this->tss), $this->baseDir, $template->getPrefix()))->parse()); |
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else return $rules; |
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} |
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else return (new Sheet($this->tss, $this->baseDir, $template->getPrefix()))->parse(); |
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} |
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private function getBasicProperties($data, $locale, &$headers) { |
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$basicProperties = new Hook\BasicProperties($data, $headers); |
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$basicProperties->registerFormatter(new Formatter\Number($locale)); |
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$basicProperties->registerFormatter(new Formatter\Date($locale)); |
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$basicProperties->registerFormatter(new Formatter\StringFormatter()); |
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foreach ($this->formatters as $formatter) $basicProperties->registerFormatter($formatter); |
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return isset($this->userCache) ? new Hook\Cache($basicProperties, $this->userCache) : $basicProperties; |
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} |
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public function setCache(\ArrayAccess $cache) { |
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$this->cache = new Cache($cache); |
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} |
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private function getLocale() { |
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if (is_array($this->locale)) return $this->locale; |
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else if (strlen($this->locale) > 0) return json_decode(file_get_contents(__DIR__ . DIRECTORY_SEPARATOR . 'Formatter' . DIRECTORY_SEPARATOR . 'Locale' . DIRECTORY_SEPARATOR . $this->locale . '.json'), true); |
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else return json_decode(file_get_contents(__DIR__ . DIRECTORY_SEPARATOR . 'Formatter' . DIRECTORY_SEPARATOR . 'Locale' . DIRECTORY_SEPARATOR . 'enGB.json'), true); |
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} |
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public function registerProperties($object) { |
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$this->registeredProperties[] = $object; |
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} |
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public function registerFormatter($formatter) { |
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$this->formatters[] = $formatter; |
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} |
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public function setLocale($locale) { |
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$this->locale = $locale; |
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} |
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private function isValidDoc($xml) { |
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return strpos($xml, '<!') === 0 || strpos($xml, '<?') === 0; |
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} |
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} |
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Level-2 /
Transphporm
