drupal-civicrm/sites/all/modules/civicrm/CRM/Utils/XML.php

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2018-01-14 15:10:16 +02:00
<?php
/*
+--------------------------------------------------------------------+
| CiviCRM version 4.7 |
+--------------------------------------------------------------------+
| Copyright CiviCRM LLC (c) 2004-2017 |
+--------------------------------------------------------------------+
| This file is a part of CiviCRM. |
| |
| CiviCRM is free software; you can copy, modify, and distribute it |
| under the terms of the GNU Affero General Public License |
| Version 3, 19 November 2007 and the CiviCRM Licensing Exception. |
| |
| CiviCRM is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| See the GNU Affero General Public License for more details. |
| |
| You should have received a copy of the GNU Affero General Public |
| License and the CiviCRM Licensing Exception along |
| with this program; if not, contact CiviCRM LLC |
| at info[AT]civicrm[DOT]org. If you have questions about the |
| GNU Affero General Public License or the licensing of CiviCRM, |
| see the CiviCRM license FAQ at http://civicrm.org/licensing |
+--------------------------------------------------------------------+
*/
/**
* @package CRM
* @copyright CiviCRM LLC (c) 2004-2017
*/
class CRM_Utils_XML {
/**
* Read a well-formed XML file
*
* @param $file
*
* @return array
* (0 => SimpleXMLElement|FALSE, 1 => errorMessage|FALSE)
*/
public static function parseFile($file) {
$xml = FALSE; // SimpleXMLElement
$error = FALSE; // string
if (!file_exists($file)) {
$error = 'File ' . $file . ' does not exist.';
}
else {
$oldLibXMLErrors = libxml_use_internal_errors();
libxml_use_internal_errors(TRUE);
$xml = simplexml_load_file($file,
'SimpleXMLElement', LIBXML_NOCDATA
);
if ($xml === FALSE) {
$error = self::formatErrors(libxml_get_errors());
}
libxml_use_internal_errors($oldLibXMLErrors);
}
return array($xml, $error);
}
/**
* Read a well-formed XML file
*
* @param $string
*
* @return array
* (0 => SimpleXMLElement|FALSE, 1 => errorMessage|FALSE)
*/
public static function parseString($string) {
$xml = FALSE; // SimpleXMLElement
$error = FALSE; // string
$oldLibXMLErrors = libxml_use_internal_errors();
libxml_use_internal_errors(TRUE);
$xml = simplexml_load_string($string,
'SimpleXMLElement', LIBXML_NOCDATA
);
if ($xml === FALSE) {
$error = self::formatErrors(libxml_get_errors());
}
libxml_use_internal_errors($oldLibXMLErrors);
return array($xml, $error);
}
/**
* @param $errors
*
* @return string
*/
protected static function formatErrors($errors) {
$messages = array();
foreach ($errors as $error) {
if ($error->level != LIBXML_ERR_ERROR && $error->level != LIBXML_ERR_FATAL) {
continue;
}
$parts = array();
if ($error->file) {
$parts[] = "File=$error->file";
}
$parts[] = "Line=$error->line";
$parts[] = "Column=$error->column";
$parts[] = "Code=$error->code";
$messages[] = implode(" ", $parts) . ": " . trim($error->message);
}
return implode("\n", $messages);
}
/**
* Convert an XML element to an array.
*
* @param $obj
* SimpleXMLElement.
*
* @return array
*/
public static function xmlObjToArray($obj) {
$arr = array();
if (is_object($obj)) {
$obj = get_object_vars($obj);
}
if (is_array($obj)) {
foreach ($obj as $i => $v) {
if (is_object($v) || is_array($v)) {
$v = self::xmlObjToArray($v);
}
if (empty($v)) {
$arr[$i] = NULL;
}
else {
$arr[$i] = $v;
}
}
}
return $arr;
}
}