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<?php /* * The MIT License (MIT) * * Copyright (c) 2013 Jonathan Vollebregt (jnvsor@gmail.com), Rokas Šleinius (raveren@gmail.com) * * Permission is hereby granted, free of charge, to any person obtaining a copy of * this software and associated documentation files (the "Software"), to deal in * the Software without restriction, including without limitation the rights to * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of * the Software, and to permit persons to whom the Software is furnished to do so, * subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ namespace Kint\Parser; use DOMDocument; use Exception; use Kint\Zval\Representation\Representation; use Kint\Zval\Value; class XmlPlugin extends Plugin { /** * Which method to parse the variable with. * * DOMDocument provides more information including the text between nodes, * however it's memory usage is very high and it takes longer to parse and * render. Plus it's a pain to work with. So SimpleXML is the default. * * @var string */ public static $parse_method = 'SimpleXML'; public function getTypes() { return ['string']; } public function getTriggers() { return Parser::TRIGGER_SUCCESS; } public function parse(&$var, Value &$o, $trigger) { if ('<?xml' !== \substr($var, 0, 5)) { return; } if (!\method_exists(\get_class($this), 'xmlTo'.self::$parse_method)) { return; } $xml = \call_user_func([\get_class($this), 'xmlTo'.self::$parse_method], $var, $o->access_path); if (empty($xml)) { return; } list($xml, $access_path, $name) = $xml; $base_obj = new Value(); $base_obj->depth = $o->depth + 1; $base_obj->name = $name; $base_obj->access_path = $access_path; $r = new Representation('XML'); $r->contents = $this->parser->parse($xml, $base_obj); $o->addRepresentation($r, 0); } protected static function xmlToSimpleXML($var, $parent_path) { try { $errors = \libxml_use_internal_errors(true); $xml = \simplexml_load_string($var); \libxml_use_internal_errors($errors); } catch (Exception $e) { if (isset($errors)) { \libxml_use_internal_errors($errors); } return; } if (false === $xml) { return; } if (null === $parent_path) { $access_path = null; } else { $access_path = 'simplexml_load_string('.$parent_path.')'; } $name = $xml->getName(); return [$xml, $access_path, $name]; } /** * Get the DOMDocument info. * * The documentation of DOMDocument::loadXML() states that while you can * call it statically, it will give an E_STRICT warning. On my system it * actually gives an E_DEPRECATED warning, but it works so we'll just add * an error-silencing '@' to the access path. * * If it errors loading then we wouldn't have gotten this far in the first place. * * @param string $var The XML string * @param null|string $parent_path The path to the parent, in this case the XML string * * @return null|array The root element DOMNode, the access path, and the root element name */ protected static function xmlToDOMDocument($var, $parent_path) { // There's no way to check validity in DOMDocument without making errors. For shame! if (!self::xmlToSimpleXML($var, $parent_path)) { return null; } $xml = new DOMDocument(); $xml->loadXML($var); if ($xml->childNodes->count() > 1) { $xml = $xml->childNodes; $access_path = 'childNodes'; } else { $xml = $xml->firstChild; $access_path = 'firstChild'; } if (null === $parent_path) { $access_path = null; } else { $access_path = '(function($s){$x = new \\DomDocument(); $x->loadXML($s); return $x;})('.$parent_path.')->'.$access_path; } $name = isset($xml->nodeName) ? $xml->nodeName : null; return [$xml, $access_path, $name]; } }