71 lines
1.2 KiB
PHP
71 lines
1.2 KiB
PHP
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<?php
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/**
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* Replacing Visitor
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*
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* @package Less
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* @subpackage visitor
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*/
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class Less_VisitorReplacing extends Less_Visitor {
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public function visitObj( $node ) {
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$funcName = 'visit'.$node->type;
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if ( isset( $this->_visitFnCache[$funcName] ) ) {
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$visitDeeper = true;
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$node = $this->$funcName( $node, $visitDeeper );
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if ( $node ) {
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if ( $visitDeeper && is_object( $node ) ) {
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$node->accept( $this );
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}
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$funcName = $funcName . "Out";
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if ( isset( $this->_visitFnCache[$funcName] ) ) {
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$this->$funcName( $node );
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}
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}
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} else {
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$node->accept( $this );
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}
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return $node;
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}
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public function visitArray( $nodes ) {
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$newNodes = array();
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foreach ( $nodes as $node ) {
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$evald = $this->visitObj( $node );
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if ( $evald ) {
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if ( is_array( $evald ) ) {
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self::flatten( $evald, $newNodes );
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} else {
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$newNodes[] = $evald;
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}
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}
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}
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return $newNodes;
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}
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public function flatten( $arr, &$out ) {
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foreach ( $arr as $item ) {
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if ( !is_array( $item ) ) {
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$out[] = $item;
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continue;
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}
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foreach ( $item as $nestedItem ) {
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if ( is_array( $nestedItem ) ) {
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self::flatten( $nestedItem, $out );
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} else {
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$out[] = $nestedItem;
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}
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}
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}
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return $out;
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}
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}
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