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<?php
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/**
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* This file is part of the Nette Framework (https://nette.org)
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* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
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*/
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declare(strict_types=1);
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namespace Nette\Schema;
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use Nette;
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use Nette\Utils\Reflection;
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/**
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* @internal
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*/
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final class Helpers
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{
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use Nette\StaticClass;
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public const PREVENT_MERGING = '_prevent_merging';
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/**
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* Merges dataset. Left has higher priority than right one.
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* @return array|string
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*/
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public static function merge($value, $base)
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{
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if (is_array($value) && isset($value[self::PREVENT_MERGING])) {
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unset($value[self::PREVENT_MERGING]);
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return $value;
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}
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if (is_array($value) && is_array($base)) {
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$index = 0;
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foreach ($value as $key => $val) {
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if ($key === $index) {
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$base[] = $val;
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$index++;
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} else {
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$base[$key] = static::merge($val, $base[$key] ?? null);
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}
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}
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return $base;
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} elseif ($value === null && is_array($base)) {
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return $base;
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} else {
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return $value;
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}
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}
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public static function getPropertyType(\ReflectionProperty $prop): ?string
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{
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if (!class_exists(Nette\Utils\Type::class)) {
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throw new Nette\NotSupportedException('Expect::from() requires nette/utils 3.x');
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} elseif ($type = Nette\Utils\Type::fromReflection($prop)) {
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return (string) $type;
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} elseif ($type = preg_replace('#\s.*#', '', (string) self::parseAnnotation($prop, 'var'))) {
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$class = Reflection::getPropertyDeclaringClass($prop);
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return preg_replace_callback('#[\w\\\\]+#', function ($m) use ($class) {
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return Reflection::expandClassName($m[0], $class);
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}, $type);
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}
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return null;
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}
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/**
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* Returns an annotation value.
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* @param \ReflectionProperty $ref
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*/
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public static function parseAnnotation(\Reflector $ref, string $name): ?string
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{
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if (!Reflection::areCommentsAvailable()) {
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throw new Nette\InvalidStateException('You have to enable phpDoc comments in opcode cache.');
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}
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$re = '#[\s*]@' . preg_quote($name, '#') . '(?=\s|$)(?:[ \t]+([^@\s]\S*))?#';
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if ($ref->getDocComment() && preg_match($re, trim($ref->getDocComment(), '/*'), $m)) {
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return $m[1] ?? '';
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}
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return null;
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}
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/**
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* @param mixed $value
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*/
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public static function formatValue($value): string
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{
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if (is_object($value)) {
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return 'object ' . get_class($value);
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} elseif (is_string($value)) {
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return "'" . Nette\Utils\Strings::truncate($value, 15, '...') . "'";
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} elseif (is_scalar($value)) {
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return var_export($value, true);
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} else {
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return strtolower(gettype($value));
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}
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}
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}
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