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Operation.php
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Operation.php
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<?php
/**
* @private
* @see less-3.13.1.js#Operation.prototype
*/
class Less_Tree_Operation extends Less_Tree {
public $op;
public $operands;
public $isSpaced;
/**
* @param string $op
*/
public function __construct( $op, $operands, $isSpaced = false ) {
$this->op = trim( $op );
$this->operands = $operands;
$this->isSpaced = $isSpaced;
}
public function accept( $visitor ) {
$this->operands = $visitor->visitArray( $this->operands );
}
public function compile( $env ) {
$a = $this->operands[0]->compile( $env );
$b = $this->operands[1]->compile( $env );
// Skip operation if argument was not compiled down to a non-operable value.
// For example, if one argument is a Less_Tree_Call like 'var(--foo)' then we
// preserve it as literal for native CSS.
// https://phabricator.wikimedia.org/T331688
if ( $env->isMathOn( $this->op ) ) {
$op = $this->op === './' ? '/' : $this->op;
if ( $a instanceof Less_Tree_Dimension && $b instanceof Less_Tree_Color ) {
$a = $a->toColor();
} elseif ( $b instanceof Less_Tree_Dimension && $a instanceof Less_Tree_Color ) {
$b = $b->toColor();
}
if ( !( $a instanceof Less_Tree_Dimension || $a instanceof Less_Tree_Color ) ) {
if ( $a instanceof Less_Tree_Operation && $a->op === '/' && $env->math === Less_Environment::MATH_PARENS_DIVISION
) {
return new self( $this->op, [ $a, $b ], $this->isSpaced );
}
throw new Less_Exception_Compiler( "Operation on an invalid type" );
}
return $a->operate( $op, $b );
} else {
return new self( $this->op, [ $a, $b ], $this->isSpaced );
}
}
/**
* @see Less_Tree::genCSS
*/
public function genCSS( $output ) {
$this->operands[0]->genCSS( $output );
if ( $this->isSpaced ) {
$output->add( " " );
}
$output->add( $this->op );
if ( $this->isSpaced ) {
$output->add( ' ' );
}
$this->operands[1]->genCSS( $output );
}
}

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text/x-php
Expires
Sat, May 16, 21:11 (1 d, 13 h)
Storage Engine
local-disk
Storage Format
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Storage Handle
bc/d7/4339fcbf4006eefbac3164053322
Default Alt Text
Operation.php (1 KB)

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