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Classes and Traits |
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5 / 7 |
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| Less_Tree_Expression | |
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| __construct | |
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| accept | |
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| compile | |
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| genCSS | |
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| throwAwayComments | |
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| markReferenced | |
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| mapToFunctionCallArgument | |
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| 1 | <?php |
| 2 | /** |
| 3 | * @private |
| 4 | */ |
| 5 | class Less_Tree_Expression extends Less_Tree implements Less_Tree_HasValueProperty { |
| 6 | |
| 7 | /** @var Less_Tree[] */ |
| 8 | public $value = []; |
| 9 | public $parens = false; |
| 10 | |
| 11 | public function __construct( $value, $parens = null ) { |
| 12 | $this->value = $value; |
| 13 | $this->parens = $parens; |
| 14 | } |
| 15 | |
| 16 | public function accept( $visitor ) { |
| 17 | $this->value = $visitor->visitArray( $this->value ); |
| 18 | } |
| 19 | |
| 20 | public function compile( $env ) { |
| 21 | $doubleParen = false; |
| 22 | |
| 23 | if ( $this->parens && !$this->parensInOp ) { |
| 24 | Less_Environment::$parensStack++; |
| 25 | } |
| 26 | |
| 27 | $returnValue = null; |
| 28 | if ( $this->value ) { |
| 29 | |
| 30 | $count = count( $this->value ); |
| 31 | |
| 32 | if ( $count > 1 ) { |
| 33 | |
| 34 | $ret = []; |
| 35 | foreach ( $this->value as $e ) { |
| 36 | $ret[] = $e->compile( $env ); |
| 37 | } |
| 38 | $returnValue = new self( $ret ); |
| 39 | |
| 40 | } else { |
| 41 | |
| 42 | if ( ( $this->value[0] instanceof self ) && $this->value[0]->parens && !$this->value[0]->parensInOp ) { |
| 43 | $doubleParen = true; |
| 44 | } |
| 45 | |
| 46 | $returnValue = $this->value[0]->compile( $env ); |
| 47 | } |
| 48 | |
| 49 | } else { |
| 50 | $returnValue = $this; |
| 51 | } |
| 52 | |
| 53 | if ( $this->parens ) { |
| 54 | if ( !$this->parensInOp ) { |
| 55 | Less_Environment::$parensStack--; |
| 56 | |
| 57 | } elseif ( !$env->isMathOn() && !$doubleParen ) { |
| 58 | $returnValue = new Less_Tree_Paren( $returnValue ); |
| 59 | |
| 60 | } |
| 61 | } |
| 62 | return $returnValue; |
| 63 | } |
| 64 | |
| 65 | /** |
| 66 | * @see Less_Tree::genCSS |
| 67 | */ |
| 68 | public function genCSS( $output ) { |
| 69 | $val_len = count( $this->value ); |
| 70 | for ( $i = 0; $i < $val_len; $i++ ) { |
| 71 | $this->value[$i]->genCSS( $output ); |
| 72 | if ( $i + 1 < $val_len ) { |
| 73 | $output->add( ' ' ); |
| 74 | } |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | public function throwAwayComments() { |
| 79 | if ( is_array( $this->value ) ) { |
| 80 | $new_value = []; |
| 81 | foreach ( $this->value as $v ) { |
| 82 | if ( $v instanceof Less_Tree_Comment ) { |
| 83 | continue; |
| 84 | } |
| 85 | $new_value[] = $v; |
| 86 | } |
| 87 | $this->value = $new_value; |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | public function markReferenced() { |
| 92 | if ( is_array( $this->value ) ) { |
| 93 | foreach ( $this->value as $v ) { |
| 94 | if ( method_exists( $v, 'markReferenced' ) ) { |
| 95 | $v->markReferenced(); |
| 96 | } |
| 97 | } |
| 98 | } |
| 99 | } |
| 100 | |
| 101 | /** |
| 102 | * Should be used only in Less_Tree_Call::functionCaller() |
| 103 | * to retrieve expression without comments |
| 104 | * @internal |
| 105 | */ |
| 106 | public function mapToFunctionCallArgument() { |
| 107 | if ( is_array( $this->value ) ) { |
| 108 | $subNodes = []; |
| 109 | foreach ( $this->value as $subNode ) { |
| 110 | if ( !( $subNode instanceof Less_Tree_Comment ) ) { |
| 111 | $subNodes[] = $subNode; |
| 112 | } |
| 113 | } |
| 114 | return count( $subNodes ) === 1 |
| 115 | ? $subNodes[0] |
| 116 | : new Less_Tree_Expression( $subNodes ); |
| 117 | } |
| 118 | return $this; |
| 119 | } |
| 120 | } |