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<?php
/**
* @private
* @see less-2.5.3.js#Alpha.prototype
*/
class Less_Tree_Alpha extends Less_Tree implements Less_Tree_HasValueProperty {
public $value;
/**
* @param string|Less_Tree $val This receives string or Less_Tree_Variable
* from Less_Parser. In compile(), Less_Tree_Variable is replaced with a
* different node (e.g. Less_Tree_Quoted).
*/
public function __construct( $val ) {
$this->value = $val;
}
public function accept( $visitor ) {
if ( $this->value instanceof Less_Tree ) {
$this->value = $visitor->visitObj( $this->value );
}
}
public function compile( $env ) {
if ( $this->value instanceof Less_Tree ) {
return new self( $this->value->compile( $env ) );
}
return $this;
}
public function genCSS( $output ) {
$output->add( "alpha(opacity=" );
if ( $this->value instanceof Less_Tree ) {
$this->value->genCSS( $output );
} else {
$output->add( $this->value );
}
$output->add( ')' );
}
}
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