betterdocs / includes / Dependencies / PhpParser / Comment.php

Comment.php in BetterDocs – AI Documentation, Knowledge Base, MCP Server, Docs, Wikis, FAQ & Chatbot 4.5.6, at includes/Dependencies/PhpParser/Comment.php

140 lines 4.6 KB

Raw Download Zip

1	<?php
2
3	namespace WPDeveloper\BetterDocs\Dependencies\PhpParser;
4
5	class Comment implements \JsonSerializable
6	{
7	protected $text;
8	protected $line;
9	protected $filePos;
10
11	/**
12	* Constructs a comment node.
13	*
14	* @param string $text Comment text (including comment delimiters like /*)
15	* @param int $startLine Line number the comment started on
16	* @param int $startFilePos File offset the comment started on
17	*/
18	public function __construct($text, $startLine = -1, $startFilePos = -1) {
19	$this->text = $text;
20	$this->line = $startLine;
21	$this->filePos = $startFilePos;
22	}
23
24	/**
25	* Gets the comment text.
26	*
27	* @return string The comment text (including comment delimiters like /*)
28	*/
29	public function getText() {
30	return $this->text;
31	}
32
33	/**
34	* Gets the line number the comment started on.
35	*
36	* @return int Line number
37	*/
38	public function getLine() {
39	return $this->line;
40	}
41
42	/**
43	* Gets the file offset the comment started on.
44	*
45	* @return int File offset
46	*/
47	public function getFilePos() {
48	return $this->filePos;
49	}
50
51	/**
52	* Gets the comment text.
53	*
54	* @return string The comment text (including comment delimiters like /*)
55	*/
56	public function __toString() {
57	return $this->text;
58	}
59
60	/**
61	* Gets the reformatted comment text.
62	*
63	* "Reformatted" here means that we try to clean up the whitespace at the
64	* starts of the lines. This is necessary because we receive the comments
65	* without trailing whitespace on the first line, but with trailing whitespace
66	* on all subsequent lines.
67	*
68	* @return mixed\|string
69	*/
70	public function getReformattedText() {
71	$text = trim($this->text);
72	$newlinePos = strpos($text, "\n");
73	if (false === $newlinePos) {
74	// Single line comments don't need further processing
75	return $text;
76	} elseif (preg_match('((BSR_ANYCRLF)(ANYCRLF)^.(?:\R\s+\.*)+$)', $text)) {
77	// Multi line comment of the type
78	//
79	// /*
80	// * Some text.
81	// * Some more text.
82	// */
83	//
84	// is handled by replacing the whitespace sequences before the * by a single space
85	return preg_replace('(^\s+\)m', ' ', $this->text);
86	} elseif (preg_match('(^/\\?\s[\r\n])', $text) && preg_match('(\n(\s)\*/$)', $text, $matches)) {
87	// Multi line comment of the type
88	//
89	// /*
90	// Some text.
91	// Some more text.
92	// */
93	//
94	// is handled by removing the whitespace sequence on the line before the closing
95	// / on all lines. So if the last line is " /", then " " is removed at the
96	// start of all lines.
97	return preg_replace('(^' . preg_quote($matches[1]) . ')m', '', $text);
98	} elseif (preg_match('(^/\\?\s*(?!\s))', $text, $matches)) {
99	// Multi line comment of the type
100	//
101	// /* Some text.
102	// Some more text.
103	// Indented text.
104	// Even more text. */
105	//
106	// is handled by removing the difference between the shortest whitespace prefix on all
107	// lines and the length of the "/* " opening sequence.
108	$prefixLen = $this->getShortestWhitespacePrefixLen(substr($text, $newlinePos + 1));
109	$removeLen = $prefixLen - strlen($matches[0]);
110	return preg_replace('(^\s{' . $removeLen . '})m', '', $text);
111	}
112
113	// No idea how to format this comment, so simply return as is
114	return $text;
115	}
116
117	private function getShortestWhitespacePrefixLen($str) {
118	$lines = explode("\n", $str);
119	$shortestPrefixLen = INF;
120	foreach ($lines as $line) {
121	preg_match('(^\s*)', $line, $matches);
122	$prefixLen = strlen($matches[0]);
123	if ($prefixLen < $shortestPrefixLen) {
124	$shortestPrefixLen = $prefixLen;
125	}
126	}
127	return $shortestPrefixLen;
128	}
129
130	public function jsonSerialize() {
131	// Technically not a node, but we make it look like one anyway
132	$type = $this instanceof Comment\Doc ? 'Comment_Doc' : 'Comment';
133	return [
134	'nodeType' => $type,
135	'text' => $this->text,
136	'line' => $this->line,
137	'filePos' => $this->filePos,
138	];
139	}
140	}