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<?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 RectorPrefix202410\Nette\Utils;
use RectorPrefix202410\Nette;
use RectorPrefix202410\Nette\MemberAccessException;
/**
* 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), function ($p) {
return !$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), function ($p) {
return !$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);
}
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 {
$hint = self::getSuggestion(\array_filter((new \ReflectionClass($class))->getMethods(\ReflectionMethod::IS_PUBLIC), function ($m) {
return $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 + 0.1;
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
* @return bool|string
*/
public static function hasProperty(string $class, string $name)
{
static $cache;
$prop =& $cache[$class][$name];
if ($prop === null) {
$prop = \false;
try {
$rp = new \ReflectionProperty($class, $name);
$rp->setAccessible(\true);
if ($rp->isPublic() && !$rp->isStatic()) {
$prop = $name >= 'onA' && $name < 'on_' ? 'event' : \true;
}
} catch (\ReflectionException $e) {
}
}
return $prop;
}
}