XliffParser.php

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<?php
namespace TYPO3\CMS\Core\Localization\Parser;

class XliffParser extends \TYPO3\CMS\Core\Localization\Parser\AbstractXmlParser {

    protected function doParsingFromRoot(\SimpleXMLElement $root) {
        $parsedData = array();
        $bodyOfFileTag = $root->file->body;
        if ($bodyOfFileTag instanceof \SimpleXMLElement) {
            foreach ($bodyOfFileTag->children() as $translationElement) {
                if ($translationElement->getName() === 'trans-unit' && !isset($translationElement['restype'])) {
                    // If restype would be set, it could be metadata from Gettext to XLIFF conversion (and we don't need this data)
                    if ($this->languageKey === 'default') {
                        // Default language coming from an XLIFF template (no target element)
                        $parsedData[(string) $translationElement['id']][0] = array(
                            'source' => (string) $translationElement->source,
                            'target' => (string) $translationElement->source
                        );
                    } else {
                        // @todo Support "approved" attribute
                        $parsedData[(string) $translationElement['id']][0] = array(
                            'source' => (string) $translationElement->source,
                            'target' => (string) $translationElement->target
                        );
                    }
                } elseif ($translationElement->getName() === 'group' && isset($translationElement['restype']) && (string) $translationElement['restype'] === 'x-gettext-plurals') {
                    // This is a translation with plural forms
                    $parsedTranslationElement = array();
                    foreach ($translationElement->children() as $translationPluralForm) {
                        if ($translationPluralForm->getName() === 'trans-unit') {
                            // When using plural forms, ID looks like this: 1[0], 1[1] etc
                            $formIndex = substr((string) $translationPluralForm['id'], strpos((string) $translationPluralForm['id'], '[') + 1, -1);
                            if ($this->languageKey === 'default') {
                                // Default language come from XLIFF template (no target element)
                                $parsedTranslationElement[(int)$formIndex] = array(
                                    'source' => (string) $translationPluralForm->source,
                                    'target' => (string) $translationPluralForm->source
                                );
                            } else {
                                // @todo Support "approved" attribute
                                $parsedTranslationElement[(int)$formIndex] = array(
                                    'source' => (string) $translationPluralForm->source,
                                    'target' => (string) $translationPluralForm->target
                                );
                            }
                        }
                    }
                    if (!empty($parsedTranslationElement)) {
                        if (isset($translationElement['id'])) {
                            $id = (string) $translationElement['id'];
                        } else {
                            $id = (string) $translationElement->{'trans-unit'}[0]['id'];
                            $id = substr($id, 0, strpos($id, '['));
                        }
                        $parsedData[$id] = $parsedTranslationElement;
                    }
                }
            }
        }
        return $parsedData;
    }

}