<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\VarDumper\Caster;

use Symfony\Component\VarDumper\Cloner\Stub;

/**
 * Casts XML resources to array representation.
 *
 * @author Nicolas Grekas <p@tchwork.com>
 */
class XmlResourceCaster
{
    private static $xmlErrors = array(
        XML_ERROR_NONE => 'XML_ERROR_NONE',
        XML_ERROR_NO_MEMORY => 'XML_ERROR_NO_MEMORY',
        XML_ERROR_SYNTAX => 'XML_ERROR_SYNTAX',
        XML_ERROR_NO_ELEMENTS => 'XML_ERROR_NO_ELEMENTS',
        XML_ERROR_INVALID_TOKEN => 'XML_ERROR_INVALID_TOKEN',
        XML_ERROR_UNCLOSED_TOKEN => 'XML_ERROR_UNCLOSED_TOKEN',
        XML_ERROR_PARTIAL_CHAR => 'XML_ERROR_PARTIAL_CHAR',
        XML_ERROR_TAG_MISMATCH => 'XML_ERROR_TAG_MISMATCH',
        XML_ERROR_DUPLICATE_ATTRIBUTE => 'XML_ERROR_DUPLICATE_ATTRIBUTE',
        XML_ERROR_JUNK_AFTER_DOC_ELEMENT => 'XML_ERROR_JUNK_AFTER_DOC_ELEMENT',
        XML_ERROR_PARAM_ENTITY_REF => 'XML_ERROR_PARAM_ENTITY_REF',
        XML_ERROR_UNDEFINED_ENTITY => 'XML_ERROR_UNDEFINED_ENTITY',
        XML_ERROR_RECURSIVE_ENTITY_REF => 'XML_ERROR_RECURSIVE_ENTITY_REF',
        XML_ERROR_ASYNC_ENTITY => 'XML_ERROR_ASYNC_ENTITY',
        XML_ERROR_BAD_CHAR_REF => 'XML_ERROR_BAD_CHAR_REF',
        XML_ERROR_BINARY_ENTITY_REF => 'XML_ERROR_BINARY_ENTITY_REF',
        XML_ERROR_ATTRIBUTE_EXTERNAL_ENTITY_REF => 'XML_ERROR_ATTRIBUTE_EXTERNAL_ENTITY_REF',
        XML_ERROR_MISPLACED_XML_PI => 'XML_ERROR_MISPLACED_XML_PI',
        XML_ERROR_UNKNOWN_ENCODING => 'XML_ERROR_UNKNOWN_ENCODING',
        XML_ERROR_INCORRECT_ENCODING => 'XML_ERROR_INCORRECT_ENCODING',
        XML_ERROR_UNCLOSED_CDATA_SECTION => 'XML_ERROR_UNCLOSED_CDATA_SECTION',
        XML_ERROR_EXTERNAL_ENTITY_HANDLING => 'XML_ERROR_EXTERNAL_ENTITY_HANDLING',
    );

    public static function castXml($h, array $a, Stub $stub, $isNested)
    {
        $a['current_byte_index'] = xml_get_current_byte_index($h);
        $a['current_column_number'] = xml_get_current_column_number($h);
        $a['current_line_number'] = xml_get_current_line_number($h);
        $a['error_code'] = xml_get_error_code($h);

        if (isset(self::$xmlErrors[$a['error_code']])) {
            $a['error_code'] = new ConstStub(self::$xmlErrors[$a['error_code']], $a['error_code']);
        }

        return $a;
    }
}