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	public $key;
8	public $op;
9	public $value;
10
11	/**
12	* @param string $key
13	* @param null\|string $op
14	* @param null\|string\|Less_Tree $value
15	*/
16	public function __construct( $key, $op, $value ) {
17	$this->key = $key;
18	$this->op = $op;
19	$this->value = $value;
20	}
21
22	public function compile( $env ) {
23	// Optimization: Avoid object churn for the common case.
24	// Attributes are very common in CSS/LESS input, but rarely involve dynamic values.
25	if ( !$this->key instanceof Less_Tree && !$this->value instanceof Less_Tree ) {
26	return $this;
27	}
28
29	return new self(
30	$this->key instanceof Less_Tree ? $this->key->compile( $env ) : $this->key,
31	$this->op,
32	$this->value instanceof Less_Tree ? $this->value->compile( $env ) : $this->value );
33	}
34
35	public function genCSS( $output ) {
36	$output->add( $this->toCSS() );
37	}
38
39	public function toCSS() {
40	$value = $this->key;
41
42	if ( $this->op ) {
43	$value .= $this->op;
44	$value .= ( is_object( $this->value ) ? $this->value->toCSS() : $this->value );
45	}
46
47	return '[' . $value . ']';
48	}
49	}