<?php declare(strict_types=1);
namespace PhpParser;
abstract class NodeAbstract implements Node, \JsonSerializable
{
protected $attributes;
/**
* Creates a Node.
*
* @param array $attributes Array of attributes
*/
public function __construct(array $attributes = []) {
$this->attributes = $attributes;
}
/**
* Gets line the node started in (alias of getStartLine).
*
* @return int Start line (or -1 if not available)
*/
public function getLine() : int {
return $this->attributes['startLine'] ?? -1;
}
/**
* Gets line the node started in.
*
* Requires the 'startLine' attribute to be enabled in the lexer (enabled by default).
*
* @return int Start line (or -1 if not available)
*/
public function getStartLine() : int {
return $this->attributes['startLine'] ?? -1;
}
/**
* Gets the line the node ended in.
*
* Requires the 'endLine' attribute to be enabled in the lexer (enabled by default).
*
* @return int End line (or -1 if not available)
*/
public function getEndLine() : int {
return $this->attributes['endLine'] ?? -1;
}
/**
* Gets the token offset of the first token that is part of this node.
*
* The offset is an index into the array returned by Lexer::getTokens().
*
* Requires the 'startTokenPos' attribute to be enabled in the lexer (DISABLED by default).
*
* @return int Token start position (or -1 if not available)
*/
public function getStartTokenPos() : int {
return $this->attributes['startTokenPos'] ?? -1;
}
/**
* Gets the token offset of the last token that is part of this node.
*
* The offset is an index into the array returned by Lexer::getTokens().
*
* Requires the 'endTokenPos' attribute to be enabled in the lexer (DISABLED by default).
*
* @return int Token end position (or -1 if not available)
*/
public function getEndTokenPos() : int {
return $this->attributes['endTokenPos'] ?? -1;
}
/**
* Gets the file offset of the first character that is part of this node.
*
* Requires the 'startFilePos' attribute to be enabled in the lexer (DISABLED by default).
*
* @return int File start position (or -1 if not available)
*/
public function getStartFilePos() : int {
return $this->attributes['startFilePos'] ?? -1;
}
/**
* Gets the file offset of the last character that is part of this node.
*
* Requires the 'endFilePos' attribute to be enabled in the lexer (DISABLED by default).
*
* @return int File end position (or -1 if not available)
*/
public function getEndFilePos() : int {
return $this->attributes['endFilePos'] ?? -1;
}
/**
* Gets all comments directly preceding this node.
*
* The comments are also available through the "comments" attribute.
*
* @return Comment[]
*/
public function getComments() : array {
return $this->attributes['comments'] ?? [];
}
/**
* Gets the doc comment of the node.
*
* The doc comment has to be the last comment associated with the node.
*
* @return null|Comment\Doc Doc comment object or null
*/
public function getDocComment() {
$comments = $this->getComments();
if (!$comments) {
return null;
}
$lastComment = $comments[count($comments) - 1];
if (!$lastComment instanceof Comment\Doc) {
return null;
}
return $lastComment;
}
/**
* Sets the doc comment of the node.
*
* This will either replace an existing doc comment or add it to the comments array.
*
* @param Comment\Doc $docComment Doc comment to set
*/
public function setDocComment(Comment\Doc $docComment) {
$comments = $this->getComments();
$numComments = count($comments);
if ($numComments > 0 && $comments[$numComments - 1] instanceof Comment\Doc) {
// Replace existing doc comment
$comments[$numComments - 1] = $docComment;
} else {
// Append new comment
$comments[] = $docComment;
}
$this->setAttribute('comments', $comments);
}
public function setAttribute(string $key, $value) {
$this->attributes[$key] = $value;
}
public function hasAttribute(string $key) : bool {
return array_key_exists($key, $this->attributes);
}
public function getAttribute(string $key, $default = null) {
if (array_key_exists($key, $this->attributes)) {
return $this->attributes[$key];
}
return $default;
}
public function getAttributes() : array {
return $this->attributes;
}
public function setAttributes(array $attributes) {
$this->attributes = $attributes;
}
/**
* @return array
*/
public function jsonSerialize() : array {
return ['nodeType' => $this->getType()] + get_object_vars($this);
}
}