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<?php

/**
 * This file is part of the Tracy (https://tracy.nette.org)
 * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
 */
declare (strict_types=1);
namespace RectorPrefix202208\Tracy;

use RectorPrefix202208\Nette;
/**
 * Rendering helpers for Debugger.
 */
class Helpers
{
    /**
     * Returns HTML link to editor.
     */
    public static function editorLink(string $file, ?int $line = null) : string
    {
        $file = \strtr($origFile = $file, Debugger::$editorMapping);
        if ($editor = self::editorUri($origFile, $line)) {
            $parts = \explode('/', \strtr($file, '\\', '/'));
            $file = \array_pop($parts);
            while ($parts && \strlen($file) < 50) {
                $file = \array_pop($parts) . '/' . $file;
            }
            $file = ($parts ? '.../' : '') . $file;
            $file = \strtr($file, '/', \DIRECTORY_SEPARATOR);
            return self::formatHtml('<a href="%" title="%" class="tracy-editor">%<b>%</b>%</a>', $editor, $origFile . ($line ? ":{$line}" : ''), \rtrim(\dirname($file), \DIRECTORY_SEPARATOR) . \DIRECTORY_SEPARATOR, \basename($file), $line ? ":{$line}" : '');
        } else {
            return self::formatHtml('<span>%</span>', $file . ($line ? ":{$line}" : ''));
        }
    }
    /**
     * Returns link to editor.
     */
    public static function editorUri(string $file, ?int $line = null, string $action = 'open', string $search = '', string $replace = '') : ?string
    {
        if (Debugger::$editor && $file && ($action === 'create' || \is_file($file))) {
            $file = \strtr($file, '/', \DIRECTORY_SEPARATOR);
            $file = \strtr($file, Debugger::$editorMapping);
            $search = \str_replace("\n", \PHP_EOL, $search);
            $replace = \str_replace("\n", \PHP_EOL, $replace);
            return \strtr(Debugger::$editor, ['%action' => $action, '%file' => \rawurlencode($file), '%line' => $line ?: 1, '%search' => \rawurlencode($search), '%replace' => \rawurlencode($replace)]);
        }
        return null;
    }
    public static function formatHtml(string $mask) : string
    {
        $args = \func_get_args();
        return \preg_replace_callback('#%#', function () use(&$args, &$count) : string {
            return \str_replace("\n", '&#10;', self::escapeHtml($args[++$count]));
        }, $mask);
    }
    public static function escapeHtml($s) : string
    {
        return \htmlspecialchars((string) $s, \ENT_QUOTES | \ENT_SUBSTITUTE | \ENT_HTML5, 'UTF-8');
    }
    public static function findTrace(array $trace, $method, ?int &$index = null) : ?array
    {
        $m = \is_array($method) ? $method : \explode('::', $method);
        foreach ($trace as $i => $item) {
            if (isset($item['function']) && $item['function'] === \end($m) && isset($item['class']) === isset($m[1]) && (!isset($item['class']) || $m[0] === '*' || \is_a($item['class'], $m[0], \true))) {
                $index = $i;
                return $item;
            }
        }
        return null;
    }
    public static function getClass($obj) : string
    {
        return \explode("\x00", \get_class($obj))[0];
    }
    /** @internal */
    public static function fixStack(\Throwable $exception) : \Throwable
    {
        if (\function_exists('xdebug_get_function_stack')) {
            $stack = [];
            $trace = @\xdebug_get_function_stack();
            // @ xdebug compatibility warning
            $trace = \array_slice(\array_reverse($trace), 2, -1);
            foreach ($trace as $row) {
                $frame = ['file' => $row['file'], 'line' => $row['line'], 'function' => $row['function'] ?? '*unknown*', 'args' => []];
                if (!empty($row['class'])) {
                    $frame['type'] = isset($row['type']) && $row['type'] === 'dynamic' ? '->' : '::';
                    $frame['class'] = $row['class'];
                }
                $stack[] = $frame;
            }
            $ref = new \ReflectionProperty('Exception', 'trace');
            $ref->setAccessible(\true);
            $ref->setValue($exception, $stack);
        }
        return $exception;
    }
    /** @internal */
    public static function errorTypeToString(int $type) : string
    {
        $types = [\E_ERROR => 'Fatal Error', \E_USER_ERROR => 'User Error', \E_RECOVERABLE_ERROR => 'Recoverable Error', \E_CORE_ERROR => 'Core Error', \E_COMPILE_ERROR => 'Compile Error', \E_PARSE => 'Parse Error', \E_WARNING => 'Warning', \E_CORE_WARNING => 'Core Warning', \E_COMPILE_WARNING => 'Compile Warning', \E_USER_WARNING => 'User Warning', \E_NOTICE => 'Notice', \E_USER_NOTICE => 'User Notice', \E_STRICT => 'Strict standards', \E_DEPRECATED => 'Deprecated', \E_USER_DEPRECATED => 'User Deprecated'];
        return $types[$type] ?? 'Unknown error';
    }
    /** @internal */
    public static function getSource() : string
    {
        if (self::isCli()) {
            return 'CLI (PID: ' . \getmypid() . ')' . (isset($_SERVER['argv']) ? ': ' . \implode(' ', \array_map([self::class, 'escapeArg'], $_SERVER['argv'])) : '');
        } elseif (isset($_SERVER['REQUEST_URI'])) {
            return (!empty($_SERVER['HTTPS']) && \strcasecmp($_SERVER['HTTPS'], 'off') ? 'https://' : 'http://') . ($_SERVER['HTTP_HOST'] ?? '') . $_SERVER['REQUEST_URI'];
        } else {
            return \PHP_SAPI;
        }
    }
    /** @internal */
    public static function improveException(\Throwable $e) : void
    {
        $message = $e->getMessage();
        if (!$e instanceof \Error && !$e instanceof \ErrorException || $e instanceof Nette\MemberAccessException || \strpos($e->getMessage(), 'did you mean')) {
            // do nothing
        } elseif (\preg_match('#^Call to undefined function (\\S+\\\\)?(\\w+)\\(#', $message, $m)) {
            $funcs = \array_merge(\get_defined_functions()['internal'], \get_defined_functions()['user']);
            $hint = self::getSuggestion($funcs, $m[1] . $m[2]) ?: self::getSuggestion($funcs, $m[2]);
            $message = "Call to undefined function {$m[2]}(), did you mean {$hint}()?";
            $replace = ["{$m[2]}(", "{$hint}("];
        } elseif (\preg_match('#^Call to undefined method ([\\w\\\\]+)::(\\w+)#', $message, $m)) {
            $hint = self::getSuggestion(\get_class_methods($m[1]) ?: [], $m[2]);
            $message .= ", did you mean {$hint}()?";
            $replace = ["{$m[2]}(", "{$hint}("];
        } elseif (\preg_match('#^Undefined variable:? \\$?(\\w+)#', $message, $m) && !empty($e->context)) {
            $hint = self::getSuggestion(\array_keys($e->context), $m[1]);
            $message = "Undefined variable \${$m[1]}, did you mean \${$hint}?";
            $replace = ["\${$m[1]}", "\${$hint}"];
        } elseif (\preg_match('#^Undefined property: ([\\w\\\\]+)::\\$(\\w+)#', $message, $m)) {
            $rc = new \ReflectionClass($m[1]);
            $items = \array_filter($rc->getProperties(\ReflectionProperty::IS_PUBLIC), function ($prop) {
                return !$prop->isStatic();
            });
            $hint = self::getSuggestion($items, $m[2]);
            $message .= ", did you mean \${$hint}?";
            $replace = ["->{$m[2]}", "->{$hint}"];
        } elseif (\preg_match('#^Access to undeclared static property:? ([\\w\\\\]+)::\\$(\\w+)#', $message, $m)) {
            $rc = new \ReflectionClass($m[1]);
            $items = \array_filter($rc->getProperties(\ReflectionProperty::IS_STATIC), function ($prop) {
                return $prop->isPublic();
            });
            $hint = self::getSuggestion($items, $m[2]);
            $message .= ", did you mean \${$hint}?";
            $replace = ["::\${$m[2]}", "::\${$hint}"];
        }
        if (isset($hint)) {
            $loc = Debugger::mapSource($e->getFile(), $e->getLine()) ?? ['file' => $e->getFile(), 'line' => $e->getLine()];
            $ref = new \ReflectionProperty($e, 'message');
            $ref->setAccessible(\true);
            $ref->setValue($e, $message);
            $e->tracyAction = ['link' => self::editorUri($loc['file'], $loc['line'], 'fix', $replace[0], $replace[1]), 'label' => 'fix it'];
        }
    }
    /** @internal */
    public static function improveError(string $message, array $context = []) : string
    {
        if (\preg_match('#^Undefined variable:? \\$?(\\w+)#', $message, $m) && $context) {
            $hint = self::getSuggestion(\array_keys($context), $m[1]);
            return $hint ? "Undefined variable \${$m[1]}, did you mean \${$hint}?" : $message;
        } elseif (\preg_match('#^Undefined property: ([\\w\\\\]+)::\\$(\\w+)#', $message, $m)) {
            $rc = new \ReflectionClass($m[1]);
            $items = \array_filter($rc->getProperties(\ReflectionProperty::IS_PUBLIC), function ($prop) {
                return !$prop->isStatic();
            });
            $hint = self::getSuggestion($items, $m[2]);
            return $hint ? $message . ", did you mean \${$hint}?" : $message;
        }
        return $message;
    }
    /** @internal */
    public static function guessClassFile(string $class) : ?string
    {
        $segments = \explode('\\', $class);
        $res = null;
        $max = 0;
        foreach (\get_declared_classes() as $class) {
            $parts = \explode('\\', $class);
            foreach ($parts as $i => $part) {
                if ($part !== ($segments[$i] ?? null)) {
                    break;
                }
            }
            if ($i > $max && $i < \count($segments) && ($file = (new \ReflectionClass($class))->getFileName())) {
                $max = $i;
                $res = \array_merge(\array_slice(\explode(\DIRECTORY_SEPARATOR, $file), 0, $i - \count($parts)), \array_slice($segments, $i));
                $res = \implode(\DIRECTORY_SEPARATOR, $res) . '.php';
            }
        }
        return $res;
    }
    /**
     * Finds the best suggestion.
     * @internal
     */
    public static function getSuggestion(array $items, string $value) : ?string
    {
        $best = null;
        $min = (\strlen($value) / 4 + 1) * 10 + 0.1;
        $items = \array_map(function ($item) {
            return $item instanceof \Reflector ? $item->getName() : (string) $item;
        }, $items);
        foreach (\array_unique($items) as $item) {
            if (($len = \levenshtein($item, $value, 10, 11, 10)) > 0 && $len < $min) {
                $min = $len;
                $best = $item;
            }
        }
        return $best;
    }
    /** @internal */
    public static function isHtmlMode() : bool
    {
        return empty($_SERVER['HTTP_X_REQUESTED_WITH']) && empty($_SERVER['HTTP_X_TRACY_AJAX']) && isset($_SERVER['HTTP_HOST']) && !self::isCli() && !\preg_match('#^Content-Type: *+(?!text/html)#im', \implode("\n", \headers_list()));
    }
    /** @internal */
    public static function isAjax() : bool
    {
        return isset($_SERVER['HTTP_X_TRACY_AJAX']) && \preg_match('#^\\w{10,15}$#D', $_SERVER['HTTP_X_TRACY_AJAX']);
    }
    /** @internal */
    public static function isRedirect() : bool
    {
        return (bool) \preg_match('#^Location:#im', \implode("\n", \headers_list()));
    }
    /** @internal */
    public static function createId() : string
    {
        return \bin2hex(\random_bytes(5));
    }
    /** @internal */
    public static function isCli() : bool
    {
        return \PHP_SAPI === 'cli' || \PHP_SAPI === 'phpdbg';
    }
    /** @internal */
    public static function getNonce() : ?string
    {
        return \preg_match('#^Content-Security-Policy(?:-Report-Only)?:.*\\sscript-src\\s+(?:[^;]+\\s)?\'nonce-([\\w+/]+=*)\'#mi', \implode("\n", \headers_list()), $m) ? $m[1] : null;
    }
    /**
     * Escape a string to be used as a shell argument.
     */
    private static function escapeArg(string $s) : string
    {
        if (\preg_match('#^[a-z0-9._=/:-]+$#Di', $s)) {
            return $s;
        }
        return \defined('PHP_WINDOWS_VERSION_BUILD') ? '"' . \str_replace('"', '""', $s) . '"' : \escapeshellarg($s);
    }
    /**
     * Captures PHP output into a string.
     */
    public static function capture(callable $func) : string
    {
        \ob_start(function () {
        });
        try {
            $func();
            return \ob_get_clean();
        } catch (\Throwable $e) {
            \ob_end_clean();
            throw $e;
        }
    }
    /** @internal */
    public static function encodeString(string $s, ?int $maxLength = null, bool $showWhitespaces = \true) : string
    {
        $utf8 = self::isUtf8($s);
        $len = $utf8 ? self::utf8Length($s) : \strlen($s);
        return $maxLength && $len > $maxLength + 20 ? self::doEncodeString(self::truncateString($s, $maxLength, $utf8), $utf8, $showWhitespaces) . ' <span>…</span> ' . self::doEncodeString(self::truncateString($s, -10, $utf8), $utf8, $showWhitespaces) : self::doEncodeString($s, $utf8, $showWhitespaces);
    }
    private static function doEncodeString(string $s, bool $utf8, bool $showWhitespaces) : string
    {
        $specials = [\true => ["\r" => '<i>\\r</i>', "\n" => "<i>\\n</i>\n", "\t" => '<i>\\t</i>    ', "\x1b" => '<i>\\e</i>', '<' => '&lt;', '&' => '&amp;'], \false => ["\r" => "\r", "\n" => "\n", "\t" => "\t", "\x1b" => '<i>\\e</i>', '<' => '&lt;', '&' => '&amp;']];
        $special = $specials[$showWhitespaces];
        $s = \preg_replace_callback($utf8 ? '#[\\p{C}<&]#u' : '#[\\x00-\\x1F\\x7F-\\xFF<&]#', function ($m) use($special) {
            return $special[$m[0]] ?? (\strlen($m[0]) === 1 ? '<i>\\x' . \str_pad(\strtoupper(\dechex(\ord($m[0]))), 2, '0', \STR_PAD_LEFT) . '</i>' : '<i>\\u{' . \strtoupper(\ltrim(\dechex(self::utf8Ord($m[0])), '0')) . '}</i>');
        }, $s);
        $s = \str_replace('</i><i>', '', $s);
        $s = \preg_replace('~\\n$~D', '', $s);
        return $s;
    }
    private static function utf8Ord(string $c) : int
    {
        $ord0 = \ord($c[0]);
        if ($ord0 < 0x80) {
            return $ord0;
        } elseif ($ord0 < 0xe0) {
            return ($ord0 << 6) + \ord($c[1]) - 0x3080;
        } elseif ($ord0 < 0xf0) {
            return ($ord0 << 12) + (\ord($c[1]) << 6) + \ord($c[2]) - 0xe2080;
        } else {
            return ($ord0 << 18) + (\ord($c[1]) << 12) + (\ord($c[2]) << 6) + \ord($c[3]) - 0x3c82080;
        }
    }
    /** @internal */
    public static function utf8Length(string $s) : int
    {
        return \strlen(\utf8_decode($s));
    }
    /** @internal */
    public static function isUtf8(string $s) : bool
    {
        return (bool) \preg_match('##u', $s);
    }
    /** @internal */
    public static function truncateString(string $s, int $len, bool $utf) : string
    {
        if (!$utf) {
            return $len < 0 ? \substr($s, $len) : \substr($s, 0, $len);
        } elseif (\function_exists('mb_substr')) {
            return $len < 0 ? \mb_substr($s, $len, -$len, 'UTF-8') : \mb_substr($s, 0, $len, 'UTF-8');
        } else {
            $len < 0 ? \preg_match('#.{0,' . -$len . '}\\z#us', $s, $m) : \preg_match("#^.{0,{$len}}#us", $s, $m);
            return $m[0];
        }
    }
    /** @internal */
    public static function minifyJs(string $s) : string
    {
        // author: Jakub Vrana https://php.vrana.cz/minifikace-javascriptu.php
        $last = '';
        return \preg_replace_callback(<<<'XX'
			(
				(?:
					(^|[-+\([{}=,:;!%^&*|?~]|/(?![/*])|return|throw) # context before regexp
					(?:\s|//[^\n]*+\n|/\*(?:[^*]|\*(?!/))*+\*/)* # optional space
					(/(?![/*])(?:\\[^\n]|[^[\n/\\]|\[(?:\\[^\n]|[^]])++)+/) # regexp
					|(^
						|'(?:\\.|[^\n'\\])*'
						|"(?:\\.|[^\n"\\])*"
						|([0-9A-Za-z_$]+)
						|([-+]+)
						|.
					)
				)(?:\s|//[^\n]*+\n|/\*(?:[^*]|\*(?!/))*+\*/)* # optional space
			())sx
XX
, function ($match) use(&$last) {
            [, $context, $regexp, $result, $word, $operator] = $match;
            if ($word !== '') {
                $result = ($last === 'word' ? ' ' : ($last === 'return' ? ' ' : '')) . $result;
                $last = $word === 'return' || $word === 'throw' || $word === 'break' ? 'return' : 'word';
            } elseif ($operator) {
                $result = ($last === $operator[0] ? ' ' : '') . $result;
                $last = $operator[0];
            } else {
                if ($regexp) {
                    $result = $context . ($context === '/' ? ' ' : '') . $regexp;
                }
                $last = '';
            }
            return $result;
        }, $s . "\n");
    }
    /** @internal */
    public static function minifyCss(string $s) : string
    {
        $last = '';
        return \preg_replace_callback(<<<'XX'
			(
				(^
					|'(?:\\.|[^\n'\\])*'
					|"(?:\\.|[^\n"\\])*"
					|([0-9A-Za-z_*#.%:()[\]-]+)
					|.
				)(?:\s|/\*(?:[^*]|\*(?!/))*+\*/)* # optional space
			())sx
XX
, function ($match) use(&$last) {
            [, $result, $word] = $match;
            if ($last === ';') {
                $result = $result === '}' ? '}' : ';' . $result;
                $last = '';
            }
            if ($word !== '') {
                $result = ($last === 'word' ? ' ' : '') . $result;
                $last = 'word';
            } elseif ($result === ';') {
                $last = ';';
                $result = '';
            } else {
                $last = '';
            }
            return $result;
        }, $s . "\n");
    }
    public static function detectColors() : bool
    {
        return self::isCli() && \getenv('NO_COLOR') === \false && (\getenv('FORCE_COLOR') || (\function_exists('sapi_windows_vt100_support') ? \sapi_windows_vt100_support(\STDOUT) : @\stream_isatty(\STDOUT)));
    }
    public static function getExceptionChain(\Throwable $ex) : array
    {
        $res = [$ex];
        while (($ex = $ex->getPrevious()) && !\in_array($ex, $res, \true)) {
            $res[] = $ex;
        }
        return $res;
    }
    public static function traverseValue($val, callable $callback, array &$skip = [], ?string $refId = null) : void
    {
        if (\is_object($val)) {
            $id = \spl_object_id($val);
            if (!isset($skip[$id])) {
                $skip[$id] = \true;
                $callback($val);
                self::traverseValue((array) $val, $callback, $skip);
            }
        } elseif (\is_array($val)) {
            if ($refId) {
                if (isset($skip[$refId])) {
                    return;
                }
                $skip[$refId] = \true;
            }
            foreach ($val as $k => $v) {
                $refId = ($r = \ReflectionReference::fromArrayElement($val, $k)) ? $r->getId() : null;
                self::traverseValue($v, $callback, $skip, $refId);
            }
        }
    }
}