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<?php |
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/* |
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* This file is part of the Ariadne Component Library. |
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* |
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* (c) Muze <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace arc; |
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/** |
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* This class contains a html parser and is a proxy for the html Writer. |
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* Any method statically called on this class |
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* will reroute the call to the HTML writer instance at |
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* \arc\html::$writer. Except the following methods: |
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* parse, name, value, attribute, doctype, preamble, comment, cdata |
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* If you need those, use the Writer instance directly |
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*/ |
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class html extends xml |
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{ |
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/** |
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* @var html\Writer The writer instance to use by default |
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*/ |
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public static $writer=null; |
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public static function __callStatic( $name, $args ) |
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{ |
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if ( !isset(self::$writer) ) { |
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self::$writer = new html\Writer(); |
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} |
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return call_user_func_array( [ self::$writer, $name ], $args ); |
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} |
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/** |
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* This parses an HTML string and returns a Proxy |
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* @param string|Proxy $html |
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* @param string $encoding |
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* @return Proxy |
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* @throws \arc\UnknownError |
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*/ |
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public static function parse( $html=null, $encoding = null ) |
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{ |
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$parser = new html\Parser(); |
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return $parser->parse( $html, $encoding ); |
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} |
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/** |
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* Returns a guaranteed valid HTML attribute value. Removes illegal characters. |
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* @param string|array|bool $value |
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* @return string |
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*/ |
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static public function value( $value ) |
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{ |
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if ( is_array( $value ) ) { |
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$content = array_reduce( $value, function( $result, $value ) |
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{ |
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return $result . ' ' . static::value( $value ); |
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} ); |
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} else if ( is_bool( $value ) ) { |
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$content = $value ? 'true' : 'false'; |
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} else { |
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$content = htmlspecialchars( (string) $value, ENT_QUOTES, 'UTF-8' ); |
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} |
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return $content; |
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} |
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/** |
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* Returns a guaranteed valid HTML attribute. Removes illegal characters. |
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* Allows for 'naked' attributes, without a value. |
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* @param string $name |
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* @param string|array|bool $value |
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* @return string |
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*/ |
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static public function attribute( $name, $value ) |
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{ |
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if ($name === $value) { |
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return ' ' . self::name( $name ); |
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} else if (is_numeric( $name )) { |
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return ' ' . self::name( $value ); |
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} else { |
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return \arc\xml::attribute( $name, $value ); |
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} |
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} |
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/** |
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* Returns a HTML doctype string |
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* @param string $version The doctype version to use, available are: 'html5', 'html4' (strict), 'transitional' (html4) and 'xhtml' |
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* @retun string |
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*/ |
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static public function doctype( $version='html5' ) |
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{ |
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$doctypes = [ |
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'html5' => '<!doctype html>', |
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'html4' => '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">', |
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'transitional' => '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">', |
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'frameset' => '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN" "http://www.w3.org/TR/html4/frameset.dtd">', |
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'xhtml' => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">' |
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]; |
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return isset( $doctypes[$version] ) ? $doctypes[$version] : $doctypes['html5']; |
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} |
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} |
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Ariadne-CMS /
arc-html
