Chris@0: <?php
Chris@0: 
Chris@0: namespace PhpParser;
Chris@0: 
Chris@0: abstract class NodeAbstract implements Node, \JsonSerializable
Chris@0: {
Chris@0:     protected $attributes;
Chris@0: 
Chris@0:     /**
Chris@0:      * Creates a Node.
Chris@0:      *
Chris@0:      * @param array $attributes Array of attributes
Chris@0:      */
Chris@0:     public function __construct(array $attributes = array()) {
Chris@0:         $this->attributes = $attributes;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Gets the type of the node.
Chris@0:      *
Chris@0:      * @return string Type of the node
Chris@0:      */
Chris@0:     public function getType() {
Chris@0:         return strtr(substr(rtrim(get_class($this), '_'), 15), '\\', '_');
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Gets line the node started in.
Chris@0:      *
Chris@0:      * @return int Line
Chris@0:      */
Chris@0:     public function getLine() {
Chris@0:         return $this->getAttribute('startLine', -1);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Sets line the node started in.
Chris@0:      *
Chris@0:      * @param int $line Line
Chris@0:      *
Chris@0:      * @deprecated
Chris@0:      */
Chris@0:     public function setLine($line) {
Chris@0:         $this->setAttribute('startLine', (int) $line);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Gets the doc comment of the node.
Chris@0:      *
Chris@0:      * The doc comment has to be the last comment associated with the node.
Chris@0:      *
Chris@0:      * @return null|Comment\Doc Doc comment object or null
Chris@0:      */
Chris@0:     public function getDocComment() {
Chris@0:         $comments = $this->getAttribute('comments');
Chris@0:         if (!$comments) {
Chris@0:             return null;
Chris@0:         }
Chris@0: 
Chris@0:         $lastComment = $comments[count($comments) - 1];
Chris@0:         if (!$lastComment instanceof Comment\Doc) {
Chris@0:             return null;
Chris@0:         }
Chris@0: 
Chris@0:         return $lastComment;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Sets the doc comment of the node.
Chris@0:      *
Chris@0:      * This will either replace an existing doc comment or add it to the comments array.
Chris@0:      *
Chris@0:      * @param Comment\Doc $docComment Doc comment to set
Chris@0:      */
Chris@0:     public function setDocComment(Comment\Doc $docComment) {
Chris@0:         $comments = $this->getAttribute('comments', []);
Chris@0: 
Chris@0:         $numComments = count($comments);
Chris@0:         if ($numComments > 0 && $comments[$numComments - 1] instanceof Comment\Doc) {
Chris@0:             // Replace existing doc comment
Chris@0:             $comments[$numComments - 1] = $docComment;
Chris@0:         } else {
Chris@0:             // Append new comment
Chris@0:             $comments[] = $docComment;
Chris@0:         }
Chris@0: 
Chris@0:         $this->setAttribute('comments', $comments);
Chris@0:     }
Chris@0: 
Chris@0:     public function setAttribute($key, $value) {
Chris@0:         $this->attributes[$key] = $value;
Chris@0:     }
Chris@0: 
Chris@0:     public function hasAttribute($key) {
Chris@0:         return array_key_exists($key, $this->attributes);
Chris@0:     }
Chris@0: 
Chris@0:     public function &getAttribute($key, $default = null) {
Chris@0:         if (!array_key_exists($key, $this->attributes)) {
Chris@0:             return $default;
Chris@0:         } else {
Chris@0:             return $this->attributes[$key];
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     public function getAttributes() {
Chris@0:         return $this->attributes;
Chris@0:     }
Chris@0: 
Chris@0:     public function jsonSerialize() {
Chris@0:         return ['nodeType' => $this->getType()] + get_object_vars($this);
Chris@0:     }
Chris@0: }