91 lines
3.0 KiB
PHP
91 lines
3.0 KiB
PHP
<?php
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namespace nur\sery\wip\schema\_scalar;
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use nulib\cl;
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use nulib\ref\schema\ref_schema;
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use nulib\ValueException;
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use nur\sery\wip\schema\Schema;
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use nur\sery\wip\schema\Wrapper;
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/**
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* Class ScalarSchema
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*/
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class ScalarSchema extends Schema {
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/**
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* indiquer si $definition est une définition de schéma scalaire que
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* {@link normalize_definition()} pourrait normaliser
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*/
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static function isa_definition($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 && $count > 1;
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}
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static function normalize_definition($definition, $definitionKey=null): array {
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$natureMetaschema = array_merge(ref_schema::NATURE_METASCHEMA, ref_schema::SCALAR_NATURE_METASCHEMA);
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self::_normalize_definition($definition, $definitionKey, $natureMetaschema);
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self::_ensure_nature($definition, "scalar");
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return $definition;
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}
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function __construct($definition=null, $definitionKey=null, bool $normalize=true) {
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if ($definition === null) $definition = static::SCHEMA;
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if ($normalize) {
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$definition = self::normalize_definition($definition, $definitionKey);
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$this->_definition = $definition;
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self::_ensure_type($definition);
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self::_ensure_schema_instances($definition);
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} else {
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# ici, $definition contient un schema déjà instancié, mais c'est le mieux
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# qu'on puisse faire
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$this->_definition = $definition;
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}
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$this->definition = $definition;
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}
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const KEYS = [null];
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function getKeys(): array {
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return self::KEYS;
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}
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function getSchema($key=false): Schema {
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if ($key === null || $key === false) return $this;
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throw ValueException::invalid_key($key);
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}
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protected function newWrapper(): ScalarWrapper {
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return new ScalarWrapper($this);
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}
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function getWrapper(&$value=null, $valueKey=null, ?array $params=null, ?Wrapper &$wrapper=null): ScalarWrapper {
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# si pas de valeur ni de wrapper, pas de vérification et donc pas d'exception
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# cf le code similaire dans ScalarWrapper::__construct()
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$dontAnalyze = $value === null && $wrapper === null;
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if (!($wrapper instanceof ScalarWrapper)) $wrapper = $this->newWrapper();
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if ($params !== null) $wrapper->resetParams($params);
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return $wrapper->reset($value, $valueKey, $dontAnalyze? ["analyze" => false]: null);
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}
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}
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