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<?php |
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/** |
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* @package s9e\TextFormatter |
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* @copyright Copyright (c) The s9e authors |
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* @license http://www.opensource.org/licenses/mit-license.php The MIT License |
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*/ |
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namespace s9e\TextFormatter; |
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abstract class Bundle |
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{ |
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/** |
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* Return a cached instance of the parser |
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* |
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* @return Parser |
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*/ |
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public static function getCachedParser() |
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{ |
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if (!isset(static::$parser)) |
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{ |
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static::$parser = static::getParser(); |
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} |
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return static::$parser; |
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} |
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/** |
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* Return a cached instance of the renderer |
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* |
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* @return Renderer |
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*/ |
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public static function getCachedRenderer() |
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{ |
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if (!isset(static::$renderer)) |
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{ |
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static::$renderer = static::getRenderer(); |
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} |
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return static::$renderer; |
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} |
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/** |
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* Return a new instance of s9e\TextFormatter\Parser |
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* |
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* @return Parser |
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*/ |
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abstract public static function getParser(): Parser; |
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/** |
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* Return a new instance of s9e\TextFormatter\Renderer |
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* |
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* @return Renderer |
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*/ |
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abstract public static function getRenderer(): Renderer; |
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/** |
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* Return the source of the JavaScript parser if available |
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* |
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* @return string |
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*/ |
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public static function getJS(): string |
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return ''; |
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} |
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/** |
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* Parse given text using a singleton instance of the bundled Parser |
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* |
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* @param string $text Original text |
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* @return string Intermediate representation |
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*/ |
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public static function parse($text): string |
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if (isset(static::$beforeParse)) |
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{ |
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$text = call_user_func(static::$beforeParse, $text); |
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} |
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$xml = static::getCachedParser()->parse($text); |
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if (isset(static::$afterParse)) |
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{ |
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$xml = call_user_func(static::$afterParse, $xml); |
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} |
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return $xml; |
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} |
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/** |
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* Render an intermediate representation using a singleton instance of the bundled Renderer |
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* |
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* @param string $xml Intermediate representation |
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* @param array $params Stylesheet parameters |
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* @return string Rendered result |
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*/ |
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public static function render($xml, array $params = []): string |
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{ |
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$renderer = static::getCachedRenderer(); |
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if (!empty($params)) |
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{ |
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$renderer->setParameters($params); |
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} |
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if (isset(static::$beforeRender)) |
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{ |
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$xml = call_user_func(static::$beforeRender, $xml); |
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} |
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$output = $renderer->render($xml); |
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if (isset(static::$afterRender)) |
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{ |
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$output = call_user_func(static::$afterRender, $output); |
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} |
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return $output; |
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} |
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/** |
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* Reset the cached parser and renderer |
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* |
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* @return void |
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*/ |
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public static function reset(): void |
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{ |
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static::$parser = null; |
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static::$renderer = null; |
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} |
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/** |
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* Transform an intermediate representation back to its original form |
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* |
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* @param string $xml Intermediate representation |
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* @return string Original text |
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*/ |
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public static function unparse($xml) |
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{ |
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if (isset(static::$beforeUnparse)) |
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{ |
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$xml = call_user_func(static::$beforeUnparse, $xml); |
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} |
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$text = Unparser::unparse($xml); |
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if (isset(static::$afterUnparse)) |
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{ |
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$text = call_user_func(static::$afterUnparse, $text); |
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} |
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return $text; |
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} |
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} |
s9e /
TextFormatter
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