blob: 8b3238da3674ea7fd26aa4643c9053d78e949047 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
<?php
/**
* @private
*/
class Less_Visitor_extendFinder extends Less_Visitor {
public $contexts = [];
public $allExtendsStack;
public $foundExtends;
public function __construct() {
$this->contexts = [];
$this->allExtendsStack = [ [] ];
parent::__construct();
}
/**
* @param Less_Tree_Ruleset $root
*/
public function run( $root ) {
$root = $this->visitObj( $root );
$root->allExtends =& $this->allExtendsStack[0];
return $root;
}
public function visitRule( $ruleNode, &$visitDeeper ) {
$visitDeeper = false;
}
public function visitMixinDefinition( $mixinDefinitionNode, &$visitDeeper ) {
$visitDeeper = false;
}
public function visitRuleset( $rulesetNode ) {
if ( $rulesetNode->root ) {
return;
}
$allSelectorsExtendList = [];
// get &:extend(.a); rules which apply to all selectors in this ruleset
if ( $rulesetNode->rules ) {
foreach ( $rulesetNode->rules as $rule ) {
if ( $rule instanceof Less_Tree_Extend ) {
$allSelectorsExtendList[] = $rule;
$rulesetNode->extendOnEveryPath = true;
}
}
}
// now find every selector and apply the extends that apply to all extends
// and the ones which apply to an individual extend
foreach ( $rulesetNode->paths as $selectorPath ) {
$selector = end( $selectorPath ); // $selectorPath[ count($selectorPath)-1];
$j = 0;
foreach ( $selector->extendList as $extend ) {
$this->allExtendsStackPush( $rulesetNode, $selectorPath, $extend, $j );
}
foreach ( $allSelectorsExtendList as $extend ) {
$this->allExtendsStackPush( $rulesetNode, $selectorPath, $extend, $j );
}
}
$this->contexts[] = $rulesetNode->selectors;
}
public function allExtendsStackPush( $rulesetNode, $selectorPath, $extend, &$j ) {
$this->foundExtends = true;
$extend = clone $extend;
$extend->findSelfSelectors( $selectorPath );
$extend->ruleset = $rulesetNode;
if ( $j === 0 ) {
$extend->firstExtendOnThisSelectorPath = true;
}
$end_key = count( $this->allExtendsStack ) - 1;
$this->allExtendsStack[$end_key][] = $extend;
$j++;
}
public function visitRulesetOut( $rulesetNode ) {
if ( !is_object( $rulesetNode ) || !$rulesetNode->root ) {
array_pop( $this->contexts );
}
}
public function visitMedia( $mediaNode ) {
$mediaNode->allExtends = [];
$this->allExtendsStack[] =& $mediaNode->allExtends;
}
public function visitMediaOut() {
array_pop( $this->allExtendsStack );
}
public function visitDirective( $directiveNode ) {
$directiveNode->allExtends = [];
$this->allExtendsStack[] =& $directiveNode->allExtends;
}
public function visitDirectiveOut() {
array_pop( $this->allExtendsStack );
}
}
|
