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