9.5/_scalable_vector_graphics_content_object_8php_source.html

<?php

namespace ‪TYPO3\CMS\Frontend\ContentObject;


/*

 * This file is part of the TYPO3 CMS project.

 *

 * It is free software; you can redistribute it and/or modify it under

 * the terms of the GNU General Public License, either version 2

 * of the License, or any later version.

 *

 * For the full copyright and license information, please read the

 * LICENSE.txt file that was distributed with this source code.

 *

 * The TYPO3 project - inspiring people to share!

 */


use ‪TYPO3\CMS\Core\Utility\GeneralUtility;

use ‪TYPO3\CMS\Core\Utility\PathUtility;


class ‪ScalableVectorGraphicsContentObject extends ‪AbstractContentObject

{

    public function ‪render($conf = []): string

    {

        $renderMode = isset($conf['renderMode.'])

            ? $this->cObj->stdWrap($conf['renderMode'], $conf['renderMode.'])

            : $conf['renderMode'];


        if ($renderMode === 'inline') {

            return $this->‪renderInline($conf);

        }


        return $this->‪renderObject($conf);

    }


    protected function ‪renderInline(array $conf): string

    {

        $src = $this->‪resolveAbsoluteSourcePath($conf);

        list($width, $height, $isDefaultWidth, $isDefaultHeight) = $this->‪getDimensions($conf);


        $content = '';

        if (file_exists($src)) {

            $svgContent = file_get_contents($src);

            $svgContent = preg_replace('/<script[\s\S]*?>[\s\S]*?<\/script>/i', '', $svgContent);

            // Disables the functionality to allow external entities to be loaded when parsing the XML, must be kept

            $previousValueOfEntityLoader = libxml_disable_entity_loader();

            $svgElement = simplexml_load_string($svgContent);

            libxml_disable_entity_loader($previousValueOfEntityLoader);


            $domXml = dom_import_simplexml($svgElement);

            if (!$isDefaultWidth) {

                $domXml->setAttribute('width', $width);

            }

            if (!$isDefaultHeight) {

                $domXml->setAttribute('height', $height);

            }

            // remove xml version tag

            $content = $domXml->ownerDocument->saveXML($domXml->ownerDocument->documentElement);

        } else {

            $value = isset($conf['value.']) ? $this->cObj->stdWrap($conf['value'], $conf['value.']) : $conf['value'];

            if (!empty($value)) {

                $content = [];

                $content[] = '<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="' . (int)$width . '" height="' . (int)$height . '">';

                $content[] = $value;

                $content[] = '</svg>';

                $content = implode(LF, $content);

            }

        }

        if (isset($conf['stdWrap.'])) {

            $content = $this->cObj->stdWrap($content, $conf['stdWrap.']);

        }

        return $content;

    }


    protected function ‪renderObject(array $conf): string

    {

        $src = $this->‪resolveAbsoluteSourcePath($conf);

        list($width, $height) = $this->‪getDimensions($conf);


        $src = $src === '' ? null : ‪PathUtility::getAbsoluteWebPath($src);


        $value = isset($conf['value.']) ? $this->cObj->stdWrap($conf['value'], $conf['value.']) : $conf['value'];

        $noscript = isset($conf['noscript.']) ? $this->cObj->stdWrap($conf['noscript'], $conf['noscript.']) : $conf['noscript'];


        // @deprecated since TYPO3 v9, will be removed in TYPO3 v10.0 - see method usages

        if (!empty($conf['noscript.']) || !empty($conf['noscript'])) {

            trigger_error('SVG cObject: The option "noscript" will be removed in TYPO3 v10.0.', E_USER_DEPRECATED);

        }

        if (!empty($conf['value.']) || !empty($conf['value'])) {

            trigger_error('SVG cObject: The option "value" without setting renderMode=inline will be removed in TYPO3 v10.0.', E_USER_DEPRECATED);

        }


        $content = [];

        if ($src) {

            $content[] = '<!--[if IE]>';

            $content[] = '  <object src="' . htmlspecialchars($src) . '" classid="image/svg+xml" width="' . (int)$width . '" height="' . (int)$height . '">';

            $content[] = '<![endif]-->';

            $content[] = '<!--[if !IE]>-->';

            $content[] = '  <object data="' . htmlspecialchars($src) . '" type="image/svg+xml" width="' . (int)$width . '" height="' . (int)$height . '">';

            $content[] = '<!--<![endif]-->';

            $content[] = $noscript;

            $content[] = '</object>';

        } else {

            // @deprecated since TYPO3 v9, will be removed in TYPO3 v10.0 - see method usages

            $content[] = '<script type="image/svg+xml">';

            $content[] = '  <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="' . (int)$width . '" height="' . (int)$height . '">';

            $content[] = $value;

            $content[] = '  </svg>';

            $content[] = '</script>';

            $content[] = '<noscript>';

            $content[] = $noscript;

            $content[] = '</noscript>';

        }

        $content = implode(LF, $content);

        if (isset($conf['stdWrap.'])) {

            $content = $this->cObj->stdWrap($content, $conf['stdWrap.']);

        }

        return $content;

    }


    protected function ‪resolveAbsoluteSourcePath(array $conf): string

    {

        $src = isset($conf['src.']) ? $this->cObj->stdWrap($conf['src'], $conf['src.']) : $conf['src'];

        return GeneralUtility::getFileAbsFileName($src);

    }


    protected function ‪getDimensions(array $conf): array

    {

        $isDefaultWidth = false;

        $isDefaultHeight = false;

        $width = isset($conf['width.']) ? $this->cObj->stdWrap($conf['width'], $conf['width.']) : $conf['width'];

        $height = isset($conf['height.']) ? $this->cObj->stdWrap($conf['height'], $conf['height.']) : $conf['height'];


        if (empty($width)) {

            $isDefaultWidth = true;

            $width = 600;

        }

        if (empty($height)) {

            $isDefaultHeight = true;

            $height = 400;

        }


        return [$width, $height, $isDefaultWidth, $isDefaultHeight];

    }

}