49 lines
1.5 KiB
PHP
49 lines
1.5 KiB
PHP
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<?php
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namespace nur\sery\schema;
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class ScalarSchema extends Schema {
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/** @var array meta-schema d'un schéma de nature scalaire */
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const METASCHEMA = ref_schema::SCALAR_METASCHEMA;
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/**
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* indiquer si $definition est une définition de schéma scalaire que
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* {@link normalize()} pourrait normaliser
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*/
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static function isa_definition($definition): bool {
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# chaine ou null
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if ($definition === null) return true;
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if (is_string($definition)) return true;
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if (!is_array($definition)) return false;
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# nature explicitement spécifiée
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if (array_key_exists("", $definition)) {
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$nature = $definition[""];
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if ($nature === "scalar") return true;
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if (is_array($nature)
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&& array_key_exists(0, $nature)
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&& $nature[0] === "scalar") {
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return true;
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}
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return false;
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}
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# un unique élément chaine à l'index 0
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$count = count($definition);
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$haveIndex0 = array_key_exists(0, $definition);
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if ($count == 1 && $haveIndex0
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&& ($definition[0] === null || is_string($definition[0]))) {
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return true;
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}
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# un élément à l'index 0, et d'autres éléments
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return $haveIndex0 && $count > 1;
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}
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static function normalize($definition): array {
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}
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function __construct($definition=null, bool $normalize=true) {
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if ($definition === null) $definition = static::SCHEMA;
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if ($normalize) $definition = self::normalize($definition);
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$this->definition = $definition;
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}
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}
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