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<?php |
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namespace Kaloa\Renderer; |
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use DOMDocument; |
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use Kaloa\Renderer\Xml\Rule\AbstractRule; |
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/** |
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* |
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*/ |
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final class XmlRenderer implements RendererInterface |
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{ |
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private $rules = array(); |
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// /** |
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// * Converts all HTML entities outside of CDATA elements to their corresponding |
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// * UTF-8 characters |
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// * |
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// * @param string $xmlString |
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// * @return string |
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// */ |
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// private function decodeEntitiesFromXml($xmlString) |
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// { |
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// $retVal = ''; |
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// |
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// $parts = preg_split( |
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// '/(<!\[CDATA\[.*?\]\]>)/s', |
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// $xmlString, |
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// -1, |
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// PREG_SPLIT_DELIM_CAPTURE |
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// ); |
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// |
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// foreach ($parts as $part) { |
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// if (strpos($part, '<![CDATA[') === 0) { |
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// $retVal .= $part; |
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// } else { |
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// $retVal .= html_entity_decode($part, ENT_QUOTES, 'UTF-8'); |
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// } |
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// } |
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// |
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// return $retVal; |
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// } |
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/** |
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* |
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* http://www.php.net/manual/en/domdocument.savexml.php#95252 |
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* |
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* @param string $xml |
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* @return string |
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*/ |
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private function xml2xhtml($xml) |
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{ |
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return preg_replace_callback('#<(\w+)([^>]*)\s*/>#s', function ($m) { |
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$xhtml_tags = array( |
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'br', 'hr', 'input', 'frame', 'img', 'area', 'link', 'col', |
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'base', 'basefont', 'param' |
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); |
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return in_array($m[1], $xhtml_tags) ? "<$m[1]$m[2] />" : "<$m[1]$m[2]></$m[1]>"; |
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}, $xml); |
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} |
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/** |
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* |
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* @param AbstractRule $rule |
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* @param int $weight |
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*/ |
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public function registerRule(AbstractRule $rule, $weight = 0) |
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{ |
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if (!isset($this->rules[$weight])) { |
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$this->rules[$weight] = array(); |
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} |
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$this->rules[$weight][] = $rule; |
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krsort($this->rules); |
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} |
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/** |
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* |
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* @param string $xmlCode |
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* @return string |
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*/ |
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public function render($xmlCode) |
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{ |
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$xmlCode = '<root xmlns:k="lalalala">' . $xmlCode . '</root>'; |
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$xmldoc = new DOMDocument('1.0', 'UTF-8'); |
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$xmldoc->resolveExternals = true; |
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$xmldoc->loadXML($xmlCode); |
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foreach ($this->rules as $rulesArray) { |
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foreach ($rulesArray as $rule) { |
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$rule->setDocument($xmldoc); |
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$rule->init(); |
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$rule->preRender(); |
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} |
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} |
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foreach ($this->rules as $rulesArray) { |
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foreach ($rulesArray as $rule) { |
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$rule->render(); |
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} |
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} |
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foreach ($this->rules as $rulesArray) { |
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foreach ($rulesArray as $rule) { |
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$rule->postRender(); |
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} |
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} |
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$s = preg_replace('!<root[^>]*>(.*)</root>!s', '$1', $xmldoc->saveXML($xmldoc->documentElement)); |
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// Handle self-closing tags |
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$s = $this->xml2xhtml($s); |
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return $s; |
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} |
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/** |
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* |
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* @param string $xmlCode |
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* @return string |
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*/ |
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public function firePreSaveEvent($xmlCode) |
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{ |
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$xmlCode = '<root xmlns:k="lalalala">' . $xmlCode . '</root>'; |
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$xmldoc = new DOMDocument('1.0', 'UTF-8'); |
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$xmldoc->loadXML($xmlCode); |
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foreach ($this->rules as $rulesArray) { |
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foreach ($rulesArray as $rule) { |
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$rule->setDocument($xmldoc); |
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$rule->init(); |
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$rule->preSave(); |
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} |
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} |
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return preg_replace('!<root[^>]*>(.*)</root>!s', '$1', $xmldoc->saveXML($xmldoc->documentElement)); |
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} |
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} |
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mermshaus /
kaloa-renderer
