diff options
Diffstat (limited to 'srcs/phpmyadmin/vendor/symfony/config/Util/XmlUtils.php')
| -rw-r--r-- | srcs/phpmyadmin/vendor/symfony/config/Util/XmlUtils.php | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/srcs/phpmyadmin/vendor/symfony/config/Util/XmlUtils.php b/srcs/phpmyadmin/vendor/symfony/config/Util/XmlUtils.php new file mode 100644 index 0000000..6688d93 --- /dev/null +++ b/srcs/phpmyadmin/vendor/symfony/config/Util/XmlUtils.php @@ -0,0 +1,269 @@ +<?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\Config\Util; + +use Symfony\Component\Config\Util\Exception\InvalidXmlException; +use Symfony\Component\Config\Util\Exception\XmlParsingException; + +/** + * XMLUtils is a bunch of utility methods to XML operations. + * + * This class contains static methods only and is not meant to be instantiated. + * + * @author Fabien Potencier <fabien@symfony.com> + * @author Martin Hasoň <martin.hason@gmail.com> + * @author Ole Rößner <ole@roessner.it> + */ +class XmlUtils +{ + /** + * This class should not be instantiated. + */ + private function __construct() + { + } + + /** + * Parses an XML string. + * + * @param string $content An XML string + * @param string|callable|null $schemaOrCallable An XSD schema file path, a callable, or null to disable validation + * + * @return \DOMDocument + * + * @throws XmlParsingException When parsing of XML file returns error + * @throws InvalidXmlException When parsing of XML with schema or callable produces any errors unrelated to the XML parsing itself + * @throws \RuntimeException When DOM extension is missing + */ + public static function parse($content, $schemaOrCallable = null) + { + if (!\extension_loaded('dom')) { + throw new \LogicException('Extension DOM is required.'); + } + + $internalErrors = libxml_use_internal_errors(true); + $disableEntities = libxml_disable_entity_loader(true); + libxml_clear_errors(); + + $dom = new \DOMDocument(); + $dom->validateOnParse = true; + if (!$dom->loadXML($content, LIBXML_NONET | (\defined('LIBXML_COMPACT') ? LIBXML_COMPACT : 0))) { + libxml_disable_entity_loader($disableEntities); + + throw new XmlParsingException(implode("\n", static::getXmlErrors($internalErrors))); + } + + $dom->normalizeDocument(); + + libxml_use_internal_errors($internalErrors); + libxml_disable_entity_loader($disableEntities); + + foreach ($dom->childNodes as $child) { + if (XML_DOCUMENT_TYPE_NODE === $child->nodeType) { + throw new XmlParsingException('Document types are not allowed.'); + } + } + + if (null !== $schemaOrCallable) { + $internalErrors = libxml_use_internal_errors(true); + libxml_clear_errors(); + + $e = null; + if (\is_callable($schemaOrCallable)) { + try { + $valid = $schemaOrCallable($dom, $internalErrors); + } catch (\Exception $e) { + $valid = false; + } + } elseif (!\is_array($schemaOrCallable) && is_file((string) $schemaOrCallable)) { + $schemaSource = file_get_contents((string) $schemaOrCallable); + $valid = @$dom->schemaValidateSource($schemaSource); + } else { + libxml_use_internal_errors($internalErrors); + + throw new XmlParsingException('The schemaOrCallable argument has to be a valid path to XSD file or callable.'); + } + + if (!$valid) { + $messages = static::getXmlErrors($internalErrors); + if (empty($messages)) { + throw new InvalidXmlException('The XML is not valid.', 0, $e); + } + throw new XmlParsingException(implode("\n", $messages), 0, $e); + } + } + + libxml_clear_errors(); + libxml_use_internal_errors($internalErrors); + + return $dom; + } + + /** + * Loads an XML file. + * + * @param string $file An XML file path + * @param string|callable|null $schemaOrCallable An XSD schema file path, a callable, or null to disable validation + * + * @return \DOMDocument + * + * @throws \InvalidArgumentException When loading of XML file returns error + * @throws XmlParsingException When XML parsing returns any errors + * @throws \RuntimeException When DOM extension is missing + */ + public static function loadFile($file, $schemaOrCallable = null) + { + $content = @file_get_contents($file); + if ('' === trim($content)) { + throw new \InvalidArgumentException(sprintf('File %s does not contain valid XML, it is empty.', $file)); + } + + try { + return static::parse($content, $schemaOrCallable); + } catch (InvalidXmlException $e) { + throw new XmlParsingException(sprintf('The XML file "%s" is not valid.', $file), 0, $e->getPrevious()); + } + } + + /** + * Converts a \DOMElement object to a PHP array. + * + * The following rules applies during the conversion: + * + * * Each tag is converted to a key value or an array + * if there is more than one "value" + * + * * The content of a tag is set under a "value" key (<foo>bar</foo>) + * if the tag also has some nested tags + * + * * The attributes are converted to keys (<foo foo="bar"/>) + * + * * The nested-tags are converted to keys (<foo><foo>bar</foo></foo>) + * + * @param \DOMElement $element A \DOMElement instance + * @param bool $checkPrefix Check prefix in an element or an attribute name + * + * @return mixed + */ + public static function convertDomElementToArray(\DOMElement $element, $checkPrefix = true) + { + $prefix = (string) $element->prefix; + $empty = true; + $config = []; + foreach ($element->attributes as $name => $node) { + if ($checkPrefix && !\in_array((string) $node->prefix, ['', $prefix], true)) { + continue; + } + $config[$name] = static::phpize($node->value); + $empty = false; + } + + $nodeValue = false; + foreach ($element->childNodes as $node) { + if ($node instanceof \DOMText) { + if ('' !== trim($node->nodeValue)) { + $nodeValue = trim($node->nodeValue); + $empty = false; + } + } elseif ($checkPrefix && $prefix != (string) $node->prefix) { + continue; + } elseif (!$node instanceof \DOMComment) { + $value = static::convertDomElementToArray($node, $checkPrefix); + + $key = $node->localName; + if (isset($config[$key])) { + if (!\is_array($config[$key]) || !\is_int(key($config[$key]))) { + $config[$key] = [$config[$key]]; + } + $config[$key][] = $value; + } else { + $config[$key] = $value; + } + + $empty = false; + } + } + + if (false !== $nodeValue) { + $value = static::phpize($nodeValue); + if (\count($config)) { + $config['value'] = $value; + } else { + $config = $value; + } + } + + return !$empty ? $config : null; + } + + /** + * Converts an xml value to a PHP type. + * + * @param mixed $value + * + * @return mixed + */ + public static function phpize($value) + { + $value = (string) $value; + $lowercaseValue = strtolower($value); + + switch (true) { + case 'null' === $lowercaseValue: + return null; + case ctype_digit($value): + $raw = $value; + $cast = (int) $value; + + return '0' == $value[0] ? octdec($value) : (((string) $raw === (string) $cast) ? $cast : $raw); + case isset($value[1]) && '-' === $value[0] && ctype_digit(substr($value, 1)): + $raw = $value; + $cast = (int) $value; + + return '0' == $value[1] ? octdec($value) : (((string) $raw === (string) $cast) ? $cast : $raw); + case 'true' === $lowercaseValue: + return true; + case 'false' === $lowercaseValue: + return false; + case isset($value[1]) && '0b' == $value[0].$value[1] && preg_match('/^0b[01]*$/', $value): + return bindec($value); + case is_numeric($value): + return '0x' === $value[0].$value[1] ? hexdec($value) : (float) $value; + case preg_match('/^0x[0-9a-f]++$/i', $value): + return hexdec($value); + case preg_match('/^[+-]?[0-9]+(\.[0-9]+)?$/', $value): + return (float) $value; + default: + return $value; + } + } + + protected static function getXmlErrors($internalErrors) + { + $errors = []; + foreach (libxml_get_errors() as $error) { + $errors[] = sprintf('[%s %s] %s (in %s - line %d, column %d)', + LIBXML_ERR_WARNING == $error->level ? 'WARNING' : 'ERROR', + $error->code, + trim($error->message), + $error->file ?: 'n/a', + $error->line, + $error->column + ); + } + + libxml_clear_errors(); + libxml_use_internal_errors($internalErrors); + + return $errors; + } +} |
