// Shared :: "Linedancer 2/Unix Compliance.php"

<?php
// Shared :: "Linedancer 2/Unix Compliance.php"

function UnixPathTrim($path) {
    $path = str_replace("\\", "/", $path);

    // Remove document root prefix if present
    if (strpos($path, $_SERVER['DOCUMENT_ROOT']) === 0) {
        $path = substr($path, strlen($_SERVER['DOCUMENT_ROOT']));
    }

    return $path;
}

function UnixPathSlashes($path) {
    $path = UnixPathTrim($path);
    $parts = explode("/", $path);
    $normalizedPath = $_SERVER['DOCUMENT_ROOT'];

    foreach ($parts as $part) {
        // Check if path is a directory
        if (glob($normalizedPath, GLOB_ONLYDIR)) {
            $normalizedPath .= "/{$part}";
        } elseif (glob($normalizedPath)) {
            $normalizedPath .= "/{$part}";
            break;
        }
    }

    return $normalizedPath;
}

function UnixPath($path) {
    $path = UnixPathSlashes($path);
    $path = UnixPathTrim($path);
    $parts = explode("/", $path);
    $normalizedPath = $_SERVER['DOCUMENT_ROOT'];

    foreach ($parts as $part) {
        $caseInsensitivePart = "";

        // Generate case-insensitive pattern
        for ($i = 0; $i < strlen($part); $i++) {
            $char = $part[$i];
            $caseInsensitivePart .= (strtolower($char) !== strtoupper($char)) ? "{" . strtolower($char) . "," . strtoupper($char) . "}" : $char;
        }

        // Apply glob with case-insensitive pattern
        $matchedDir = glob("{$normalizedPath}/{$caseInsensitivePart}", GLOB_ONLYDIR | GLOB_BRACE);
        $matchedFile = glob("{$normalizedPath}/{$caseInsensitivePart}", GLOB_BRACE);

        if ($matchedDir) {
            $normalizedPath .= "/{$part}";
        } elseif ($matchedFile) {
            $normalizedPath .= "/{$part}";
            break;
        }
    }

    return $normalizedPath;
}