Current File : /home/vacivi36/ava/lib/spout/src/Spout/Reader/Wrapper/XMLInternalErrorsHelper.php
<?php
namespace Box\Spout\Reader\Wrapper;
use Box\Spout\Reader\Exception\XMLProcessingException;
/**
* Trait XMLInternalErrorsHelper
*/
trait XMLInternalErrorsHelper
{
/** @var bool Stores whether XML errors were initially stored internally - used to reset */
protected $initialUseInternalErrorsValue;
/**
* To avoid displaying lots of warning/error messages on screen,
* stores errors internally instead.
*
* @return void
*/
protected function useXMLInternalErrors()
{
\libxml_clear_errors();
$this->initialUseInternalErrorsValue = \libxml_use_internal_errors(true);
}
/**
* Throws an XMLProcessingException if an error occured.
* It also always resets the "libxml_use_internal_errors" setting back to its initial value.
*
* @throws \Box\Spout\Reader\Exception\XMLProcessingException
* @return void
*/
protected function resetXMLInternalErrorsSettingAndThrowIfXMLErrorOccured()
{
if ($this->hasXMLErrorOccured()) {
$this->resetXMLInternalErrorsSetting();
throw new XMLProcessingException($this->getLastXMLErrorMessage());
}
$this->resetXMLInternalErrorsSetting();
}
/**
* Returns whether the a XML error has occured since the last time errors were cleared.
*
* @return bool TRUE if an error occured, FALSE otherwise
*/
private function hasXMLErrorOccured()
{
return (\libxml_get_last_error() !== false);
}
/**
* Returns the error message for the last XML error that occured.
* @see libxml_get_last_error
*
* @return string|null Last XML error message or null if no error
*/
private function getLastXMLErrorMessage()
{
$errorMessage = null;
$error = \libxml_get_last_error();
if ($error !== false) {
$errorMessage = \trim($error->message);
}
return $errorMessage;
}
/**
* @return void
*/
protected function resetXMLInternalErrorsSetting()
{
\libxml_use_internal_errors($this->initialUseInternalErrorsValue);
}
}
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