fluent-cart / vendor / openspout / openspout / src / Reader / Wrapper / XMLInternalErrorsHelper.php

XMLInternalErrorsHelper.php in FluentCart A New Era of eCommerce – Faster, Lighter, and Simpler 1.3.20, at vendor/openspout/openspout/src/Reader/Wrapper/XMLInternalErrorsHelper.php

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1	<?php
2
3	namespace FluentCart\OpenSpout\Reader\Wrapper;
4
5	use FluentCart\OpenSpout\Reader\Exception\XMLProcessingException;
6	/**
7	* Trait XMLInternalErrorsHelper.
8	*/
9	trait XMLInternalErrorsHelper
10	{
11	/** @var bool Stores whether XML errors were initially stored internally - used to reset */
12	protected $initialUseInternalErrorsValue;
13	/**
14	* To avoid displaying lots of warning/error messages on screen,
15	* stores errors internally instead.
16	*/
17	protected function useXMLInternalErrors()
18	{
19	\libxml_clear_errors();
20	$this->initialUseInternalErrorsValue = \libxml_use_internal_errors(\true);
21	}
22	/**
23	* Throws an XMLProcessingException if an error occured.
24	* It also always resets the "libxml_use_internal_errors" setting back to its initial value.
25	*
26	* @throws \OpenSpout\Reader\Exception\XMLProcessingException
27	*/
28	protected function resetXMLInternalErrorsSettingAndThrowIfXMLErrorOccured()
29	{
30	if ($this->hasXMLErrorOccured()) {
31	$this->resetXMLInternalErrorsSetting();
32	throw new XMLProcessingException($this->getLastXMLErrorMessage());
33	}
34	$this->resetXMLInternalErrorsSetting();
35	}
36	protected function resetXMLInternalErrorsSetting()
37	{
38	\libxml_use_internal_errors($this->initialUseInternalErrorsValue);
39	}
40	/**
41	* Returns whether the a XML error has occured since the last time errors were cleared.
42	*
43	* @return bool TRUE if an error occured, FALSE otherwise
44	*/
45	private function hasXMLErrorOccured()
46	{
47	return \false !== \libxml_get_last_error();
48	}
49	/**
50	* Returns the error message for the last XML error that occured.
51	*
52	* @see libxml_get_last_error
53	*
54	* @return null\|string Last XML error message or null if no error
55	*/
56	private function getLastXMLErrorMessage()
57	{
58	$errorMessage = null;
59	$error = \libxml_get_last_error();
60	if (\false !== $error) {
61	$errorMessage = \trim($error->message);
62	}
63	return $errorMessage;
64	}
65	}
66