First commit

vendor/nikic/php-parser/lib/PhpParser/Comment.php

@@ -0,0 +1,140 @@
+<?php
+
+namespace PhpParser;
+
+class Comment implements \JsonSerializable
+{
+    protected $text;
+    protected $line;
+    protected $filePos;
+
+    /**
+     * Constructs a comment node.
+     *
+     * @param string $text         Comment text (including comment delimiters like /*)
+     * @param int    $startLine    Line number the comment started on
+     * @param int    $startFilePos File offset the comment started on
+     */
+    public function __construct($text, $startLine = -1, $startFilePos = -1) {
+        $this->text = $text;
+        $this->line = $startLine;
+        $this->filePos = $startFilePos;
+    }
+
+    /**
+     * Gets the comment text.
+     *
+     * @return string The comment text (including comment delimiters like /*)
+     */
+    public function getText() {
+        return $this->text;
+    }
+
+    /**
+     * Gets the line number the comment started on.
+     *
+     * @return int Line number
+     */
+    public function getLine() {
+        return $this->line;
+    }
+
+    /**
+     * Gets the file offset the comment started on.
+     *
+     * @return int File offset
+     */
+    public function getFilePos() {
+        return $this->filePos;
+    }
+
+    /**
+     * Gets the comment text.
+     *
+     * @return string The comment text (including comment delimiters like /*)
+     */
+    public function __toString() {
+        return $this->text;
+    }
+
+    /**
+     * Gets the reformatted comment text.
+     *
+     * "Reformatted" here means that we try to clean up the whitespace at the
+     * starts of the lines. This is necessary because we receive the comments
+     * without trailing whitespace on the first line, but with trailing whitespace
+     * on all subsequent lines.
+     *
+     * @return mixed|string
+     */
+    public function getReformattedText() {
+        $text = trim($this->text);
+        $newlinePos = strpos($text, "\n");
+        if (false === $newlinePos) {
+            // Single line comments don't need further processing
+            return $text;
+        } elseif (preg_match('((*BSR_ANYCRLF)(*ANYCRLF)^.*(?:\R\s+\*.*)+$)', $text)) {
+            // Multi line comment of the type
+            //
+            //     /*
+            //      * Some text.
+            //      * Some more text.
+            //      */
+            //
+            // is handled by replacing the whitespace sequences before the * by a single space
+            return preg_replace('(^\s+\*)m', ' *', $this->text);
+        } elseif (preg_match('(^/\*\*?\s*[\r\n])', $text) && preg_match('(\n(\s*)\*/$)', $text, $matches)) {
+            // Multi line comment of the type
+            //
+            //    /*
+            //        Some text.
+            //        Some more text.
+            //    */
+            //
+            // is handled by removing the whitespace sequence on the line before the closing
+            // */ on all lines. So if the last line is "    */", then "    " is removed at the
+            // start of all lines.
+            return preg_replace('(^' . preg_quote($matches[1]) . ')m', '', $text);
+        } elseif (preg_match('(^/\*\*?\s*(?!\s))', $text, $matches)) {
+            // Multi line comment of the type
+            //
+            //     /* Some text.
+            //        Some more text.
+            //          Indented text.
+            //        Even more text. */
+            //
+            // is handled by removing the difference between the shortest whitespace prefix on all
+            // lines and the length of the "/* " opening sequence.
+            $prefixLen = $this->getShortestWhitespacePrefixLen(substr($text, $newlinePos + 1));
+            $removeLen = $prefixLen - strlen($matches[0]);
+            return preg_replace('(^\s{' . $removeLen . '})m', '', $text);
+        }
+
+        // No idea how to format this comment, so simply return as is
+        return $text;
+    }
+
+    private function getShortestWhitespacePrefixLen($str) {
+        $lines = explode("\n", $str);
+        $shortestPrefixLen = INF;
+        foreach ($lines as $line) {
+            preg_match('(^\s*)', $line, $matches);
+            $prefixLen = strlen($matches[0]);
+            if ($prefixLen < $shortestPrefixLen) {
+                $shortestPrefixLen = $prefixLen;
+            }
+        }
+        return $shortestPrefixLen;
+    }
+
+    public function jsonSerialize() {
+        // Technically not a node, but we make it look like one anyway
+        $type = $this instanceof Comment\Doc ? 'Comment_Doc' : 'Comment';
+        return [
+            'nodeType' => $type,
+            'text' => $this->text,
+            'line' => $this->line,
+            'filePos' => $this->filePos,
+        ];
+    }
+}