--- /dev/null
+<?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;
+
+/**
+ * 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 HasoĊ <martin.hason@gmail.com>
+ */
+class XmlUtils
+{
+ /**
+ * This class should not be instantiated.
+ */
+ private function __construct()
+ {
+ }
+
+ /**
+ * Loads an XML file.
+ *
+ * @param string $file An XML file path
+ * @param string|callable|null $schemaOrCallable An XSD schema file path, a callable, or null to disable validation
+ *
+ * @return \DOMDocument
+ *
+ * @throws \InvalidArgumentException When loading of XML file returns error
+ */
+ public static function loadFile($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));
+ }
+
+ $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 \InvalidArgumentException(implode("\n", static::getXmlErrors($internalErrors)));
+ }
+
+ $dom->normalizeDocument();
+
+ libxml_use_internal_errors($internalErrors);
+ libxml_disable_entity_loader($disableEntities);
+
+ foreach ($dom->childNodes as $child) {
+ if ($child->nodeType === XML_DOCUMENT_TYPE_NODE) {
+ throw new \InvalidArgumentException('Document types are not allowed.');
+ }
+ }
+
+ if (null !== $schemaOrCallable) {
+ $internalErrors = libxml_use_internal_errors(true);
+ libxml_clear_errors();
+
+ $e = null;
+ if (is_callable($schemaOrCallable)) {
+ try {
+ $valid = call_user_func($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 \InvalidArgumentException('The schemaOrCallable argument has to be a valid path to XSD file or callable.');
+ }
+
+ if (!$valid) {
+ $messages = static::getXmlErrors($internalErrors);
+ if (empty($messages)) {
+ $messages = array(sprintf('The XML file "%s" is not valid.', $file));
+ }
+ throw new \InvalidArgumentException(implode("\n", $messages), 0, $e);
+ }
+ }
+
+ libxml_clear_errors();
+ libxml_use_internal_errors($internalErrors);
+
+ return $dom;
+ }
+
+ /**
+ * 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 array A PHP array
+ */
+ public static function convertDomElementToArray(\DOMElement $element, $checkPrefix = true)
+ {
+ $prefix = (string) $element->prefix;
+ $empty = true;
+ $config = array();
+ foreach ($element->attributes as $name => $node) {
+ if ($checkPrefix && !in_array((string) $node->prefix, array('', $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] = array($config[$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' === $lowercaseValue:
+ return;
+ case ctype_digit($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]:
+ 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 = array();
+ 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;
+ }
+}
projects / yaffs-website / blobdiff