Code Coverage for /src/lib/Less/Tree/Attribute.php

1	<?php
2	/**
3	* @private
4	* @see less-2.5.3.js#Attribute.prototype
5	*/
6	class Less_Tree_Attribute extends Less_Tree implements Less_Tree_HasValueProperty {
7	/** @var string */
8	public $key;
9	/** @var null\|string */
10	public $op;
11	/** @var null\|string\|Less_Tree */
12	public $value;
13
14	/**
15	* @param string $key
16	* @param null\|string $op
17	* @param null\|string\|Less_Tree $value
18	*/
19	public function __construct( $key, $op, $value ) {
20	$this->key = $key;
21	$this->op = $op;
22	$this->value = $value;
23	}
24
25	public function compile( $env ) {
26	// Optimization: Avoid object churn for the common case.
27	// Attributes are very common in CSS/LESS input, but rarely involve dynamic values.
28	if ( !$this->key instanceof Less_Tree && !$this->value instanceof Less_Tree ) {
29	return $this;
30	}
31
32	return new self(
33	$this->key instanceof Less_Tree ? $this->key->compile( $env ) : $this->key,
34	$this->op,
35	$this->value instanceof Less_Tree ? $this->value->compile( $env ) : $this->value );
36	}
37
38	public function genCSS( $output ) {
39	$output->add( $this->toCSS() );
40	}
41
42	public function toCSS() {
43	$value = $this->key;
44
45	if ( $this->op ) {
46	$value .= $this->op;
47	$value .= ( $this->value instanceof Less_Tree ? $this->value->toCSS() : $this->value );
48	}
49
50	return '[' . $value . ']';
51	}
52	}