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<?php |
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/** |
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* This file is part of the Disqus Helper package. |
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* |
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* Copyright (c) Nikola Posa <[email protected]> |
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* |
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* For full copyright and license information, please refer to the LICENSE file, |
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* located at the package root folder. |
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*/ |
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namespace DisqusHelper; |
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final class Code |
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{ |
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const INDENT = ' '; |
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/** |
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* @var string |
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*/ |
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private $shortName; |
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/** |
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* @var array |
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*/ |
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private $config = []; |
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/** |
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* @var array |
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*/ |
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private $scriptFiles = []; |
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/** |
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* @var string |
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*/ |
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private $html; |
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private function __construct() |
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{ |
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} |
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public static function create(string $shortName) : Code |
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{ |
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$code = new self(); |
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$code->shortName = $shortName; |
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return $code; |
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} |
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public function mergeConfig(array $config) : Code |
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{ |
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$this->config = array_merge($this->config, $config); |
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return $this; |
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} |
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public function getConfig() : array |
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{ |
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return $this->config; |
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} |
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public function addScriptFile(string $fileName) : Code |
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{ |
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if (!isset($this->scriptFiles[$fileName])) { |
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$this->scriptFiles[$fileName] = $fileName; |
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} |
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return $this; |
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} |
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public function hasScriptFile(string $fileName) : bool |
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{ |
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return isset($this->scriptFiles[$fileName]); |
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} |
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public function __toString() : string |
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{ |
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return $this->toHtml(); |
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} |
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public function toHtml() : string |
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{ |
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$this->html = ''; |
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$this->html = '<script>'; |
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$this->html .= PHP_EOL; |
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$this->renderConfigVariables(); |
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$this->renderJsFiles(); |
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$this->html = rtrim($this->html, PHP_EOL); |
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$this->html .= PHP_EOL; |
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$this->html .= '</script>'; |
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return $this->html; |
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} |
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private function renderConfigVariables() |
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{ |
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if (empty($this->config)) { |
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return; |
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} |
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$this->html .= self::INDENT . 'var disqus_config = function () {' . PHP_EOL; |
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foreach ($this->config as $key => $value) { |
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if (is_string($value)) { |
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$value = addslashes($value); |
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$value = "'$value'"; |
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} |
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$this->html .= self::INDENT . self::INDENT . "this.$key = $value;" . PHP_EOL; |
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} |
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$this->html .= self::INDENT . '};' . PHP_EOL . PHP_EOL; |
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} |
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private function renderJsFiles() |
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{ |
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foreach ($this->scriptFiles as $fileName) { |
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$this->html .= self::INDENT . '(function() {' . PHP_EOL; |
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$this->html .= self::INDENT . self::INDENT . 'var d = document, s = d.createElement("script");' . PHP_EOL; |
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$this->html .= self::INDENT . self::INDENT . 's.src = "//' . $this->shortName . '.disqus.com/' . $fileName . '";' . PHP_EOL; |
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$this->html .= self::INDENT . self::INDENT . 's.setAttribute("data-timestamp", +new Date());' . PHP_EOL; |
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$this->html .= self::INDENT . self::INDENT . '(d.head || d.body).appendChild(s);' . PHP_EOL; |
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$this->html .= self::INDENT . '})();' . PHP_EOL . PHP_EOL; |
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} |
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} |
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} |
nikolaposa /
disqus-helper
