nur-ture/src/schema/_assoc/AssocSchema.php

97 lines
3.2 KiB
PHP

<?php
namespace nulib\schema\_assoc;
use nulib\cl;
use nulib\ref\schema\ref_schema;
use nulib\schema\Schema;
use nulib\schema\Wrapper;
use nulib\ValueException;
/**
* Class AssocSchema
*/
class AssocSchema extends Schema {
/**
* indiquer si $definition est une définition de schéma de nature tableau
* associatif que {@link normalize_definition()} pourrait normaliser
*/
static function isa_definition($definition): bool {
if (!is_array($definition)) return false;
# nature explicitement spécifiée
if (self::have_nature($definition, $nature)) {
return $nature === "assoc";
}
# tableau associatif
return !cl::have_num_keys($definition);
}
static function normalize_definition($definition, $definitionKey=null): array {
if (!is_array($definition)) $definition = [$definition];
if (!self::have_nature($definition)) {
$definition = [
"?array",
"" => "assoc",
"schema" => $definition,
];
}
$natureMetaschema = array_merge(ref_schema::NATURE_METASCHEMA, ref_schema::ASSOC_NATURE_METASCHEMA);
self::_normalize_definition($definition, $definitionKey, $natureMetaschema);
self::_ensure_nature($definition, "assoc", "array");
return $definition;
}
function __construct($definition=null, $definitionKey=null, bool $normalize=true) {
if ($definition === null) $definition = static::SCHEMA;
if ($normalize) {
$definition = self::normalize_definition($definition, $definitionKey);
$this->_definition = $definition;
self::_ensure_type($definition);
self::_ensure_schema_instances($definition);
} else {
# ici, $definition contient un schema déjà instancié, mais c'est le mieux
# qu'on puisse faire
$this->_definition = $definition;
}
$this->definition = $definition;
$keys = [];
foreach ($definition["schema"] as $key => $schema) {
if (!$schema["computed"]) $keys[] = $key;
}
$this->keys = $keys;
}
protected array $keys;
function getKeys(): array {
return $this->keys;
}
function getSchema($key=false): Schema {
if ($key === null || $key === false) return $this;
$schema = $this->definition["schema"][$key] ?? null;
if ($schema === null) throw ValueException::invalid_key($key);
return $schema;
}
protected function newWrapper(): AssocWrapper {
return new AssocWrapper($this);
}
function getWrapper(&$value=null, $valueKey=null, ?array $params=null, ?Wrapper &$wrapper=null): AssocWrapper {
# si pas de valeur ni de wrapper, pas d'analyse et donc pas d'exception
# cf le code similaire dans AssocWrapper::__construct()
$dontAnalyze = $value === null && $wrapper === null;
if (!($wrapper instanceof AssocWrapper)) $wrapper = $this->newWrapper();
# la nature du schéma peut contenir des paramètres par défaut
$nature = $this->definition[""];
foreach (array_keys(ref_schema::ASSOC_PARAMS_SCHEMA) as $paramKey) {
$paramValue = $nature[$paramKey] ?? null;
if ($paramValue !== null) $params[$paramKey] = $paramValue;
}
if ($params !== null) $wrapper->resetParams($params);
return $wrapper->reset($value, $valueKey, $dontAnalyze? ["analyze" => false]: null);
}
}