69 lines
1.4 KiB
PHP
69 lines
1.4 KiB
PHP
<?php
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/**
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* Operation
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*
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* @package Less
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* @subpackage tree
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*/
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class Less_Tree_Operation extends Less_Tree {
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public $op;
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public $operands;
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public $isSpaced;
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public $type = 'Operation';
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/**
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* @param string $op
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*/
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public function __construct( $op, $operands, $isSpaced = false ) {
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$this->op = trim( $op );
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$this->operands = $operands;
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$this->isSpaced = $isSpaced;
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}
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public function accept( $visitor ) {
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$this->operands = $visitor->visitArray( $this->operands );
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}
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public function compile( $env ) {
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$a = $this->operands[0]->compile( $env );
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$b = $this->operands[1]->compile( $env );
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if ( Less_Environment::isMathOn() ) {
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if ( $a instanceof Less_Tree_Dimension && $b instanceof Less_Tree_Color ) {
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$a = $a->toColor();
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} elseif ( $b instanceof Less_Tree_Dimension && $a instanceof Less_Tree_Color ) {
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$b = $b->toColor();
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}
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if ( !method_exists( $a, 'operate' ) ) {
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throw new Less_Exception_Compiler( "Operation on an invalid type" );
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}
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return $a->operate( $this->op, $b );
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}
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return new Less_Tree_Operation( $this->op, array( $a, $b ), $this->isSpaced );
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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( $output ) {
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$this->operands[0]->genCSS( $output );
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if ( $this->isSpaced ) {
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$output->add( " " );
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}
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$output->add( $this->op );
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if ( $this->isSpaced ) {
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$output->add( ' ' );
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}
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$this->operands[1]->genCSS( $output );
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}
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}
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