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

1	<?php
2	/**
3	* @private
4	*/
5	class Less_Tree_Condition extends Less_Tree {
6
7	public $op;
8	public $lvalue;
9	public $rvalue;
10	public $index;
11	public $negate;
12
13	public function __construct( $op, $l, $r, $i = 0, $negate = false ) {
14	$this->op = trim( $op );
15	$this->lvalue = $l;
16	$this->rvalue = $r;
17	$this->index = $i;
18	$this->negate = $negate;
19	}
20
21	public function accept( $visitor ) {
22	$this->lvalue = $visitor->visitObj( $this->lvalue );
23	$this->rvalue = $visitor->visitObj( $this->rvalue );
24	}
25
26	/**
27	* @param Less_Environment $env
28	* @return bool
29	* @see less-2.5.3.js#Condition.prototype.eval
30	*/
31	public function compile( $env ) {
32	$a = $this->lvalue->compile( $env );
33	$b = $this->rvalue->compile( $env );
34
35	switch ( $this->op ) {
36	case 'and':
37	$result = $a && $b;
38	break;
39
40	case 'or':
41	$result = $a \|\| $b;
42	break;
43
44	default:
45	$res = Less_Tree::nodeCompare( $a, $b );
46	// In JS, switch(undefined) with -1,0,-1,defaults goes to `default`.
47	// In PHP, switch(null) would go to case 0. Use if/else instead.
48	if ( $res === -1 ) {
49	$result = $this->op === '<' \|\| $this->op === '=<' \|\| $this->op === '<=';
50	} elseif ( $res === 0 ) {
51	$result = $this->op === '=' \|\| $this->op === '>=' \|\| $this->op === '=<' \|\| $this->op === '<=';
52	} elseif ( $res === 1 ) {
53	$result = $this->op === '>' \|\| $this->op === '>=';
54	} else {
55	// null, NAN
56	$result = false;
57	}
58	}
59
60	return $this->negate ? !$result : $result;
61	}
62
63	}