nur-sery/src/schema/Schema.php

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<?php
namespace nur\sery\schema;
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use nulib\cl;
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abstract class Schema {
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/**
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* créer si besoin une nouvelle instance à partir d'une définition de schéma
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*/
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static function new(&$md, $definition): self {
if ($md === null) {
if (AssocSchema::isa_definition($definition)) {
$md = new AssocSchema($definition);
} elseif (ListSchema::isa_definition($definition)) {
$md = new ListSchema($definition);
} elseif (ScalarSchema::isa_definition($definition)) {
$md = new ScalarSchema($definition);
} else {
throw SchemaException::invalid_schema();
}
}
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return $md;
}
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protected static function ensure_nstring(&$string): void {
if ($string !== null && !is_string($string)) $string = strval($string);
}
protected static function ensure_string(&$string): void {
if (!is_string($string)) $string = strval($string);
}
protected static function ensure_nbool(&$bool): void {
if ($bool !== null && !is_bool($bool)) $bool = boolval($bool);
}
protected static function ensure_bool(&$bool): void {
if (!is_bool($bool)) $bool = boolval($bool);
}
protected static function ensure_ncallable(&$callable): void {
if ($callable !== null && !is_callable($callable)) {
throw SchemaException::invalid_callable($callable);
}
}
protected static function ensure_narray(&$array): void {
if ($array !== null && !is_array($array)) $array = cl::with($array);
}
protected static function ensure_array(&$array): void {
if (!is_array($array)) $array = cl::with($array);
}
protected static function ensure_nkey(&$key): void {
if ($key !== null && !is_string($key) && !is_int($key)) $key = strval($key);
}
protected static function ensure_key(&$key): void {
if (!is_string($key) && !is_int($key)) $key = strval($key);
}
protected static function ensure_ncontent(&$key): void {
if ($key !== null && !is_string($key) && !is_array($key)) $key = strval($key);
}
protected static function ensure_content(&$key): void {
if (!is_string($key) && !is_array($key)) $key = strval($key);
}
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/**
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* @var array définition du schéma, à redéfinir le cas échéant dans une classe
* dérivée
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*/
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const SCHEMA = null;
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/** @var array */
protected $definition;
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/** retourner true si le schéma est de nature tableau associatif */
function isAssoc(): bool { return false; }
/** retourner true si le schéma est de nature liste */
function isList(): bool { return false; }
/** retourner true si le schéma est de nature scalaire */
function isScalar(): bool { return false; }
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}