1: <?php declare(strict_types=1);
2:
3: namespace PhpParser;
4:
5: abstract class NodeAbstract implements Node, \JsonSerializable {
6: /** @var array<string, mixed> Attributes */
7: protected array $attributes;
8:
9: /**
10: * Creates a Node.
11: *
12: * @param array<string, mixed> $attributes Array of attributes
13: */
14: public function __construct(array $attributes = []) {
15: $this->attributes = $attributes;
16: }
17:
18: /**
19: * Gets line the node started in (alias of getStartLine).
20: *
21: * @return int Start line (or -1 if not available)
22: * @phpstan-return -1|positive-int
23: */
24: public function getLine(): int {
25: return $this->attributes['startLine'] ?? -1;
26: }
27:
28: /**
29: * Gets line the node started in.
30: *
31: * Requires the 'startLine' attribute to be enabled in the lexer (enabled by default).
32: *
33: * @return int Start line (or -1 if not available)
34: * @phpstan-return -1|positive-int
35: */
36: public function getStartLine(): int {
37: return $this->attributes['startLine'] ?? -1;
38: }
39:
40: /**
41: * Gets the line the node ended in.
42: *
43: * Requires the 'endLine' attribute to be enabled in the lexer (enabled by default).
44: *
45: * @return int End line (or -1 if not available)
46: * @phpstan-return -1|positive-int
47: */
48: public function getEndLine(): int {
49: return $this->attributes['endLine'] ?? -1;
50: }
51:
52: /**
53: * Gets the token offset of the first token that is part of this node.
54: *
55: * The offset is an index into the array returned by Lexer::getTokens().
56: *
57: * Requires the 'startTokenPos' attribute to be enabled in the lexer (DISABLED by default).
58: *
59: * @return int Token start position (or -1 if not available)
60: */
61: public function getStartTokenPos(): int {
62: return $this->attributes['startTokenPos'] ?? -1;
63: }
64:
65: /**
66: * Gets the token offset of the last token that is part of this node.
67: *
68: * The offset is an index into the array returned by Lexer::getTokens().
69: *
70: * Requires the 'endTokenPos' attribute to be enabled in the lexer (DISABLED by default).
71: *
72: * @return int Token end position (or -1 if not available)
73: */
74: public function getEndTokenPos(): int {
75: return $this->attributes['endTokenPos'] ?? -1;
76: }
77:
78: /**
79: * Gets the file offset of the first character that is part of this node.
80: *
81: * Requires the 'startFilePos' attribute to be enabled in the lexer (DISABLED by default).
82: *
83: * @return int File start position (or -1 if not available)
84: */
85: public function getStartFilePos(): int {
86: return $this->attributes['startFilePos'] ?? -1;
87: }
88:
89: /**
90: * Gets the file offset of the last character that is part of this node.
91: *
92: * Requires the 'endFilePos' attribute to be enabled in the lexer (DISABLED by default).
93: *
94: * @return int File end position (or -1 if not available)
95: */
96: public function getEndFilePos(): int {
97: return $this->attributes['endFilePos'] ?? -1;
98: }
99:
100: /**
101: * Gets all comments directly preceding this node.
102: *
103: * The comments are also available through the "comments" attribute.
104: *
105: * @return Comment[]
106: */
107: public function getComments(): array {
108: return $this->attributes['comments'] ?? [];
109: }
110:
111: /**
112: * Gets the doc comment of the node.
113: *
114: * @return null|Comment\Doc Doc comment object or null
115: */
116: public function getDocComment(): ?Comment\Doc {
117: $comments = $this->getComments();
118: for ($i = count($comments) - 1; $i >= 0; $i--) {
119: $comment = $comments[$i];
120: if ($comment instanceof Comment\Doc) {
121: return $comment;
122: }
123: }
124:
125: return null;
126: }
127:
128: /**
129: * Sets the doc comment of the node.
130: *
131: * This will either replace an existing doc comment or add it to the comments array.
132: *
133: * @param Comment\Doc $docComment Doc comment to set
134: */
135: public function setDocComment(Comment\Doc $docComment): void {
136: $comments = $this->getComments();
137: for ($i = count($comments) - 1; $i >= 0; $i--) {
138: if ($comments[$i] instanceof Comment\Doc) {
139: // Replace existing doc comment.
140: $comments[$i] = $docComment;
141: $this->setAttribute('comments', $comments);
142: return;
143: }
144: }
145:
146: // Append new doc comment.
147: $comments[] = $docComment;
148: $this->setAttribute('comments', $comments);
149: }
150:
151: public function setAttribute(string $key, $value): void {
152: $this->attributes[$key] = $value;
153: }
154:
155: public function hasAttribute(string $key): bool {
156: return array_key_exists($key, $this->attributes);
157: }
158:
159: public function getAttribute(string $key, $default = null) {
160: if (array_key_exists($key, $this->attributes)) {
161: return $this->attributes[$key];
162: }
163:
164: return $default;
165: }
166:
167: public function getAttributes(): array {
168: return $this->attributes;
169: }
170:
171: public function setAttributes(array $attributes): void {
172: $this->attributes = $attributes;
173: }
174:
175: /**
176: * @return array<string, mixed>
177: */
178: public function jsonSerialize(): array {
179: return ['nodeType' => $this->getType()] + get_object_vars($this);
180: }
181: }
182: