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<?php declare(strict_types=1);
namespace PhpParser;
abstract class NodeAbstract implements Node, \JsonSerializable {
/** @var array<string, mixed> Attributes */
protected array $attributes;
/**
* Creates a Node.
*
* @param array<string, mixed> $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.
*
* @return null|Comment\Doc Doc comment object or null
*/
public function getDocComment(): ?Comment\Doc {
$comments = $this->getComments();
for ($i = count($comments) - 1; $i >= 0; $i--) {
$comment = $comments[$i];
if ($comment instanceof Comment\Doc) {
return $comment;
}
}
return null;
}
/**
* 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): void {
$comments = $this->getComments();
for ($i = count($comments) - 1; $i >= 0; $i--) {
if ($comments[$i] instanceof Comment\Doc) {
// Replace existing doc comment.
$comments[$i] = $docComment;
$this->setAttribute('comments', $comments);
return;
}
}
// Append new doc comment.
$comments[] = $docComment;
$this->setAttribute('comments', $comments);
}
public function setAttribute(string $key, $value): void {
$this->attributes[$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): void {
$this->attributes = $attributes;
}
/**
* @return array<string, mixed>
*/
public function jsonSerialize(): array {
return ['nodeType' => $this->getType()] + get_object_vars($this);
}
}