74 lines
1.8 KiB
PHP
74 lines
1.8 KiB
PHP
<?php
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/**
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* @private
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*/
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class Less_Tree_Element extends Less_Tree {
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/** @var string */
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public $combinator;
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/** @var bool Whether combinator is null (represented by empty string) or child (single space) */
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public $combinatorIsEmptyOrWhitespace;
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/** @var string|Less_Tree */
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public $value;
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public $index;
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public $currentFileInfo;
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public $type = 'Element';
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public $value_is_object = false;
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/**
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* @param null|string $combinator
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* @param string|Less_Tree $value
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* @param int|null $index
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* @param array|null $currentFileInfo
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*/
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public function __construct( $combinator, $value, $index = null, $currentFileInfo = null ) {
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$this->value = $value;
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$this->value_is_object = is_object( $value );
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// see less-2.5.3.js#Combinator
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$this->combinator = $combinator ?? '';
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$this->combinatorIsEmptyOrWhitespace = ( $combinator === null || trim( $combinator ) === '' );
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$this->index = $index;
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$this->currentFileInfo = $currentFileInfo;
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}
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public function accept( $visitor ) {
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if ( $this->value_is_object ) { // object or string
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$this->value = $visitor->visitObj( $this->value );
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}
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}
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public function compile( $env ) {
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return new Less_Tree_Element(
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$this->combinator,
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( $this->value_is_object ? $this->value->compile( $env ) : $this->value ),
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$this->index,
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$this->currentFileInfo
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);
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}
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/**
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* @see Less_Tree::genCSS
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*/
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public function genCSS( $output ) {
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$output->add( $this->toCSS(), $this->currentFileInfo, $this->index );
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}
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public function toCSS() {
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if ( $this->value_is_object ) {
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$value = $this->value->toCSS();
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} else {
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$value = $this->value;
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}
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if ( $value === '' && $this->combinator && $this->combinator === '&' ) {
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return '';
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}
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return Less_Environment::$_outputMap[$this->combinator] . $value;
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}
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}
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