65 lines
1.9 KiB
PHP
65 lines
1.9 KiB
PHP
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<?php
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namespace nur\b\coll;
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use Iterator;
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use nur\A;
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use nur\b\ValueException;
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/**
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* Class ArrayView: une vue sur une partie d'un tableau
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*/
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class ArrayView implements IArray, Iterator {
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use TBaseArray, TIterableArray, TGenericArray, TArrayMdBasic, TAutomethods;
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const _AUTO_GETTERS = null;
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const _AUTO_SETTERS = null;
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const _AUTO_DELETERS = null;
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const _AUTO_CI_GETTERS = null;
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const _AUTO_CI_SETTERS = null;
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const _AUTOGEN_LITERALS = null;
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const _AUTOGEN_METHODS = null;
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/** @var array schéma des données de cette vue */
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const SCHEMA = null;
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/** @var array|null référence vers la racine de la source */
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protected $root;
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function &root(): array {
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return $this->root;
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}
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/** @var array|null référence vers la racine de la vue */
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protected $data;
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/**
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* @param $source array|BaseArray le tableau source
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* @param $pkeys array|string chemin de clé vers la racine de la vue
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*/
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function __construct(&$source, $pkeys=null) {
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if ($source === null) $source = [];
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if (is_array($source)) $root =& $source;
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elseif ($source instanceof IArray) $root =& $source->array();
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else throw ValueException::unexpected_type(["array", IArray::class], $source);
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if ($pkeys === "" || $pkeys === null) $pkeys = [];
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if (is_string($pkeys)) $pkeys = explode(".", $pkeys);
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if (!is_array($pkeys)) throw ValueException::unexpected_type(["array", "string"], $pkeys);
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$data =& $root;
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foreach ($pkeys as $pkey) {
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if (!is_array($data)) $data = [$data];
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elseif (!array_key_exists($pkey, $data)) $data[$pkey] = null;
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$data =& $data[$pkey];
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}
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$key = A::last($pkeys);
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$md = $this->md();
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if ($md !== null) $md->ensureSchema($data, $key);
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$this->data =& $data;
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}
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# Rajouter ceci dans les classes dérivées:
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#use TArrayMd, TAutoconstsStatic; // ou TArrayMdDynamic, TAutoconstsDynamic
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#const _AUTOGEN_CONSTS = ["" => [self::class, "_AUTOGEN_CONSTS"]];
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##--autogen-dynamic--
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}
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