127 lines
2.4 KiB
PHP
127 lines
2.4 KiB
PHP
<?php
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// Type.php
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// Created: 2021-04-26
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// Updated: 2022-02-28
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namespace Index;
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use ReflectionClass;
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use RuntimeException;
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final class Type {
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/**
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* Boolean type id.
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*
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* @var string
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*/
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public const BOOL = 'boolean';
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/**
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* Integer type id.
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*
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* @var string
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*/
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public const INTEGER = 'integer';
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/**
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* Floating point type id.
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*
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* @var string
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*/
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public const FLOAT = 'double';
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/**
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* String type id.
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*
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* @var string
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*/
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public const STRING = 'string';
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/**
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* Array type id.
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*
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* @var string
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*/
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public const ARRAY = 'array';
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/**
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* Object type id.
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*
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* @var string
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*/
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public const OBJECT = 'object';
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/**
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* Resource type id.
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*
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* @var string
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*/
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public const RESOURCE = 'resource';
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/**
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* Closed resource type id.
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*
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* @var string
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*/
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public const CLOSED_RESOURCE = 'resource (closed)';
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/**
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* NULL type id.
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*
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* @var string
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*/
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public const NULL = 'NULL';
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/**
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* Unknown type id.
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*
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* @var string
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*/
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public const UNKNOWN = 'unknown type';
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/**
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* Gets the default value for this type.
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*
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* @return mixed Default value for the given base type.
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*/
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public static function default(string $type): mixed {
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switch($type) {
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case self::BOOL:
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return false;
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case self::INTEGER:
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return 0;
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case self::FLOAT:
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return 0.0;
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case self::STRING:
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return '';
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case self::ARRAY:
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return [];
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default:
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return null;
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}
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}
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/**
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* Gets a list of all class names this Type inherits.
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*
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* @param string|object $target Target object.
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* @return array Array containing the names.
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*/
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public static function classTree(string|object $target): array {
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if(is_object($target))
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$target = get_class($target);
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$tree = [];
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$classInfo = new ReflectionClass($target);
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foreach($classInfo->getInterfaceNames() as $interface)
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$tree[] = $interface;
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do {
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$tree[] = $classInfo->getName();
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} while(($classInfo = $classInfo->getParentClass()) !== false);
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return $tree;
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}
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}
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