From 110dc2831488937c1afb70c11657a341912fc8cd Mon Sep 17 00:00:00 2001
From: Peter Nguyen <peteralistairnguyen@gmail.com>
Date: Wed, 5 Feb 2025 00:44:12 -0600
Subject: Initial commit 2/25/2025

---
 vendor/vlucas/phpdotenv/src/Parser/Lines.php | 127 +++++++++++++++++++++++++++
 1 file changed, 127 insertions(+)
 create mode 100644 vendor/vlucas/phpdotenv/src/Parser/Lines.php

(limited to 'vendor/vlucas/phpdotenv/src/Parser/Lines.php')

diff --git a/vendor/vlucas/phpdotenv/src/Parser/Lines.php b/vendor/vlucas/phpdotenv/src/Parser/Lines.php
new file mode 100644
index 0000000..6497993
--- /dev/null
+++ b/vendor/vlucas/phpdotenv/src/Parser/Lines.php
@@ -0,0 +1,127 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Dotenv\Parser;
+
+use Dotenv\Util\Regex;
+use Dotenv\Util\Str;
+
+final class Lines
+{
+    /**
+     * This class is a singleton.
+     *
+     * @codeCoverageIgnore
+     *
+     * @return void
+     */
+    private function __construct()
+    {
+        //
+    }
+
+    /**
+     * Process the array of lines of environment variables.
+     *
+     * This will produce an array of raw entries, one per variable.
+     *
+     * @param string[] $lines
+     *
+     * @return string[]
+     */
+    public static function process(array $lines)
+    {
+        $output = [];
+        $multiline = false;
+        $multilineBuffer = [];
+
+        foreach ($lines as $line) {
+            [$multiline, $line, $multilineBuffer] = self::multilineProcess($multiline, $line, $multilineBuffer);
+
+            if (!$multiline && !self::isCommentOrWhitespace($line)) {
+                $output[] = $line;
+            }
+        }
+
+        return $output;
+    }
+
+    /**
+     * Used to make all multiline variable process.
+     *
+     * @param bool     $multiline
+     * @param string   $line
+     * @param string[] $buffer
+     *
+     * @return array{bool,string,string[]}
+     */
+    private static function multilineProcess(bool $multiline, string $line, array $buffer)
+    {
+        $startsOnCurrentLine = $multiline ? false : self::looksLikeMultilineStart($line);
+
+        // check if $line can be multiline variable
+        if ($startsOnCurrentLine) {
+            $multiline = true;
+        }
+
+        if ($multiline) {
+            \array_push($buffer, $line);
+
+            if (self::looksLikeMultilineStop($line, $startsOnCurrentLine)) {
+                $multiline = false;
+                $line = \implode("\n", $buffer);
+                $buffer = [];
+            }
+        }
+
+        return [$multiline, $line, $buffer];
+    }
+
+    /**
+     * Determine if the given line can be the start of a multiline variable.
+     *
+     * @param string $line
+     *
+     * @return bool
+     */
+    private static function looksLikeMultilineStart(string $line)
+    {
+        return Str::pos($line, '="')->map(static function () use ($line) {
+            return self::looksLikeMultilineStop($line, true) === false;
+        })->getOrElse(false);
+    }
+
+    /**
+     * Determine if the given line can be the start of a multiline variable.
+     *
+     * @param string $line
+     * @param bool   $started
+     *
+     * @return bool
+     */
+    private static function looksLikeMultilineStop(string $line, bool $started)
+    {
+        if ($line === '"') {
+            return true;
+        }
+
+        return Regex::occurrences('/(?=([^\\\\]"))/', \str_replace('\\\\', '', $line))->map(static function (int $count) use ($started) {
+            return $started ? $count > 1 : $count >= 1;
+        })->success()->getOrElse(false);
+    }
+
+    /**
+     * Determine if the line in the file is a comment or whitespace.
+     *
+     * @param string $line
+     *
+     * @return bool
+     */
+    private static function isCommentOrWhitespace(string $line)
+    {
+        $line = \trim($line);
+
+        return $line === '' || (isset($line[0]) && $line[0] === '#');
+    }
+}
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