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ArrayHash.php	1.894KB	edt ren
ArrayList.php	2.645KB	edt ren
Arrays.php	13.781KB	edt ren
Callback.php	3.64KB	edt ren
DateTime.php	4.765KB	edt ren
FileInfo.php	1.3KB	edt ren
FileSystem.php	9.793KB	edt ren
Finder.php	13.421KB	edt ren
Floats.php	2.118KB	edt ren
Helpers.php	2.98KB	edt ren
Html.php	19.341KB	edt ren
Image.php	23.771KB	edt ren
ImageColor.php	1.654KB	edt ren
ImageType.php	0.497KB	edt ren
Iterables.php	6.234KB	edt ren
Json.php	2.535KB	edt ren
ObjectHelpers.php	7.074KB	edt ren
Paginator.php	4.384KB	edt ren
Random.php	1.246KB	edt ren
Reflection.php	8.691KB	edt ren
ReflectionMethod.php	0.84KB	edt ren
Strings.php	21.582KB	edt ren
Type.php	7.389KB	edt ren
Validators.php	10.678KB	edt ren
exceptions.php	0.742KB	edt ren

<?php

/**
 * This file is part of the Nette Framework (https://nette.org)
 * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
 */

declare(strict_types=1);

namespace Nette\Utils;

use Nette;
use Nette\MemberAccessException;
use function array_filter, array_merge, array_pop, array_unique, get_class_methods, get_parent_class, implode, is_a, levenshtein, method_exists, preg_match_all, preg_replace, strlen, ucfirst;
use const PREG_SET_ORDER, SORT_REGULAR;

/**
 * Nette\SmartObject helpers.
 * @internal
 */
final class ObjectHelpers
{
	use Nette\StaticClass;

/**
	 * @return never
	 * @throws MemberAccessException
	 */
	public static function strictGet(string $class, string $name): void
	{
		$rc = new \ReflectionClass($class);
		$hint = self::getSuggestion(array_merge(
			array_filter($rc->getProperties(\ReflectionProperty::IS_PUBLIC), fn($p) => !$p->isStatic()),
			self::parseFullDoc($rc, '~^[ \t*]*@property(?:-read)?[ \t]+(?:\S+[ \t]+)??\$(\w+)~m'),
		), $name);
		throw new MemberAccessException("Cannot read an undeclared property $class::\$$name" . ($hint ? ", did you mean \$$hint?" : '.'));
	}

/**
	 * @return never
	 * @throws MemberAccessException
	 */
	public static function strictSet(string $class, string $name): void
	{
		$rc = new \ReflectionClass($class);
		$hint = self::getSuggestion(array_merge(
			array_filter($rc->getProperties(\ReflectionProperty::IS_PUBLIC), fn($p) => !$p->isStatic()),
			self::parseFullDoc($rc, '~^[ \t*]*@property(?:-write)?[ \t]+(?:\S+[ \t]+)??\$(\w+)~m'),
		), $name);
		throw new MemberAccessException("Cannot write to an undeclared property $class::\$$name" . ($hint ? ", did you mean \$$hint?" : '.'));
	}

/**
	 * @return never
	 * @throws MemberAccessException
	 */
	public static function strictCall(string $class, string $method, array $additionalMethods = []): void
	{
		$trace = debug_backtrace(0, 3); // suppose this method is called from __call()
		$context = ($trace[1]['function'] ?? null) === '__call'
			? ($trace[2]['class'] ?? null)
			: null;

if ($context && is_a($class, $context, true) && method_exists($context, $method)) { // called parent::$method()
			$class = get_parent_class($context);
		}

if (method_exists($class, $method)) { // insufficient visibility
			$rm = new \ReflectionMethod($class, $method);
			$visibility = $rm->isPrivate()
				? 'private '
				: ($rm->isProtected() ? 'protected ' : '');
			throw new MemberAccessException("Call to {$visibility}method $class::$method() from " . ($context ? "scope $context." : 'global scope.'));

} else {
			$hint = self::getSuggestion(array_merge(
				get_class_methods($class),
				self::parseFullDoc(new \ReflectionClass($class), '~^[ \t*]*@method[ \t]+(?:static[ \t]+)?(?:\S+[ \t]+)??(\w+)\(~m'),
				$additionalMethods,
			), $method);
			throw new MemberAccessException("Call to undefined method $class::$method()" . ($hint ? ", did you mean $hint()?" : '.'));
		}
	}

/**
	 * @return never
	 * @throws MemberAccessException
	 */
	public static function strictStaticCall(string $class, string $method): void
	{
		$trace = debug_backtrace(0, 3); // suppose this method is called from __callStatic()
		$context = ($trace[1]['function'] ?? null) === '__callStatic'
			? ($trace[2]['class'] ?? null)
			: null;

if ($context && is_a($class, $context, true) && method_exists($context, $method)) { // called parent::$method()
			$class = get_parent_class($context);
		}

} else {
			$hint = self::getSuggestion(
				array_filter((new \ReflectionClass($class))->getMethods(\ReflectionMethod::IS_PUBLIC), fn($m) => $m->isStatic()),
				$method,
			);
			throw new MemberAccessException("Call to undefined static method $class::$method()" . ($hint ? ", did you mean $hint()?" : '.'));
		}
	}

/**
	 * Returns array of magic properties defined by annotation @property.
	 * @return array of [name => bit mask]
	 * @internal
	 */
	public static function getMagicProperties(string $class): array
	{
		static $cache;
		$props = &$cache[$class];
		if ($props !== null) {
			return $props;
		}

$rc = new \ReflectionClass($class);
		preg_match_all(
			'~^  [ \t*]*  @property(|-read|-write|-deprecated)  [ \t]+  [^\s$]+  [ \t]+  \$  (\w+)  ()~mx',
			(string) $rc->getDocComment(),
			$matches,
			PREG_SET_ORDER,
		);

$props = [];
		foreach ($matches as [, $type, $name]) {
			$uname = ucfirst($name);
			$write = $type !== '-read'
				&& $rc->hasMethod($nm = 'set' . $uname)
				&& ($rm = $rc->getMethod($nm))->name === $nm && !$rm->isPrivate() && !$rm->isStatic();
			$read = $type !== '-write'
				&& ($rc->hasMethod($nm = 'get' . $uname) || $rc->hasMethod($nm = 'is' . $uname))
				&& ($rm = $rc->getMethod($nm))->name === $nm && !$rm->isPrivate() && !$rm->isStatic();

if ($read || $write) {
				$props[$name] = $read << 0 | ($nm[0] === 'g') << 1 | $rm->returnsReference() << 2 | $write << 3 | ($type === '-deprecated') << 4;
			}
		}

foreach ($rc->getTraits() as $trait) {
			$props += self::getMagicProperties($trait->name);
		}

if ($parent = get_parent_class($class)) {
			$props += self::getMagicProperties($parent);
		}

return $props;
	}

/**
	 * Finds the best suggestion (for 8-bit encoding).
	 * @param  (\ReflectionFunctionAbstract|\ReflectionParameter|\ReflectionClass|\ReflectionProperty|string)[]  $possibilities
	 * @internal
	 */
	public static function getSuggestion(array $possibilities, string $value): ?string
	{
		$norm = preg_replace($re = '#^(get|set|has|is|add)(?=[A-Z])#', '+', $value);
		$best = null;
		$min = (strlen($value) / 4 + 1) * 10 + .1;
		foreach (array_unique($possibilities, SORT_REGULAR) as $item) {
			$item = $item instanceof \Reflector ? $item->name : $item;
			if ($item !== $value && (
				($len = levenshtein($item, $value, 10, 11, 10)) < $min
				|| ($len = levenshtein(preg_replace($re, '*', $item), $norm, 10, 11, 10)) < $min
			)) {
				$min = $len;
				$best = $item;
			}
		}

return $best;
	}

private static function parseFullDoc(\ReflectionClass $rc, string $pattern): array
	{
		do {
			$doc[] = $rc->getDocComment();
			$traits = $rc->getTraits();
			while ($trait = array_pop($traits)) {
				$doc[] = $trait->getDocComment();
				$traits += $trait->getTraits();
			}
		} while ($rc = $rc->getParentClass());

return preg_match_all($pattern, implode('', $doc), $m) ? $m[1] : [];
	}

/**
	 * Checks if the public non-static property exists.
	 * Returns 'event' if the property exists and has event like name
	 * @internal
	 */
	public static function hasProperty(string $class, string $name): bool|string
	{
		static $cache;
		$prop = &$cache[$class][$name];
		if ($prop === null) {
			$prop = false;
			try {
				$rp = new \ReflectionProperty($class, $name);
				if ($rp->isPublic() && !$rp->isStatic()) {
					$prop = $name >= 'onA' && $name < 'on_' ? 'event' : true;
				}
			} catch (\ReflectionException $e) {
			}
		}

return $prop;
	}
}