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<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace ElementorDeps\Twig\Error;
use ElementorDeps\Twig\Source;
use ElementorDeps\Twig\Template;
/**
* Twig base exception.
*
* This exception class and its children must only be used when
* an error occurs during the loading of a template, when a syntax error
* is detected in a template, or when rendering a template. Other
* errors must use regular PHP exception classes (like when the template
* cache directory is not writable for instance).
*
* To help debugging template issues, this class tracks the original template
* name and line where the error occurred.
*
* Whenever possible, you must set these information (original template name
* and line number) yourself by passing them to the constructor. If some or all
* these information are not available from where you throw the exception, then
* this class will guess them automatically (when the line number is set to -1
* and/or the name is set to null). As this is a costly operation, this
* can be disabled by passing false for both the name and the line number
* when creating a new instance of this class.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class Error extends \Exception
{
private $lineno;
private $name;
private $rawMessage;
private $sourcePath;
private $sourceCode;
/**
* Constructor.
*
* By default, automatic guessing is enabled.
*
* @param string $message The error message
* @param int $lineno The template line where the error occurred
* @param Source|null $source The source context where the error occurred
*/
public function __construct(string $message, int $lineno = -1, ?Source $source = null, ?\Throwable $previous = null)
{
parent::__construct('', 0, $previous);
if (null === $source) {
$name = null;
} else {
$name = $source->getName();
$this->sourceCode = $source->getCode();
$this->sourcePath = $source->getPath();
}
$this->lineno = $lineno;
$this->name = $name;
$this->rawMessage = $message;
$this->updateRepr();
}
public function getRawMessage() : string
{
return $this->rawMessage;
}
public function getTemplateLine() : int
{
return $this->lineno;
}
public function setTemplateLine(int $lineno) : void
{
$this->lineno = $lineno;
$this->updateRepr();
}
public function getSourceContext() : ?Source
{
return $this->name ? new Source($this->sourceCode, $this->name, $this->sourcePath) : null;
}
public function setSourceContext(?Source $source = null) : void
{
if (null === $source) {
$this->sourceCode = $this->name = $this->sourcePath = null;
} else {
$this->sourceCode = $source->getCode();
$this->name = $source->getName();
$this->sourcePath = $source->getPath();
}
$this->updateRepr();
}
public function guess() : void
{
$this->guessTemplateInfo();
$this->updateRepr();
}
public function appendMessage($rawMessage) : void
{
$this->rawMessage .= $rawMessage;
$this->updateRepr();
}
private function updateRepr() : void
{
$this->message = $this->rawMessage;
if ($this->sourcePath && $this->lineno > 0) {
$this->file = $this->sourcePath;
$this->line = $this->lineno;
return;
}
$dot = \false;
if (\str_ends_with($this->message, '.')) {
$this->message = \substr($this->message, 0, -1);
$dot = \true;
}
$questionMark = \false;
if (\str_ends_with($this->message, '?')) {
$this->message = \substr($this->message, 0, -1);
$questionMark = \true;
}
if ($this->name) {
if (\is_string($this->name) || \is_object($this->name) && \method_exists($this->name, '__toString')) {
$name = \sprintf('"%s"', $this->name);
} else {
$name = \json_encode($this->name);
}
$this->message .= \sprintf(' in %s', $name);
}
if ($this->lineno && $this->lineno >= 0) {
$this->message .= \sprintf(' at line %d', $this->lineno);
}
if ($dot) {
$this->message .= '.';
}
if ($questionMark) {
$this->message .= '?';
}
}
private function guessTemplateInfo() : void
{
$template = null;
$templateClass = null;
$backtrace = \debug_backtrace(\DEBUG_BACKTRACE_IGNORE_ARGS | \DEBUG_BACKTRACE_PROVIDE_OBJECT);
foreach ($backtrace as $trace) {
if (isset($trace['object']) && $trace['object'] instanceof Template) {
$currentClass = \get_class($trace['object']);
$isEmbedContainer = null === $templateClass ? \false : \str_starts_with($templateClass, $currentClass);
if (null === $this->name || $this->name == $trace['object']->getTemplateName() && !$isEmbedContainer) {
$template = $trace['object'];
$templateClass = \get_class($trace['object']);
}
}
}
// update template name
if (null !== $template && null === $this->name) {
$this->name = $template->getTemplateName();
}
// update template path if any
if (null !== $template && null === $this->sourcePath) {
$src = $template->getSourceContext();
$this->sourceCode = $src->getCode();
$this->sourcePath = $src->getPath();
}
if (null === $template || $this->lineno > -1) {
return;
}
$r = new \ReflectionObject($template);
$file = $r->getFileName();
$exceptions = [$e = $this];
while ($e = $e->getPrevious()) {
$exceptions[] = $e;
}
while ($e = \array_pop($exceptions)) {
$traces = $e->getTrace();
\array_unshift($traces, ['file' => $e->getFile(), 'line' => $e->getLine()]);
while ($trace = \array_shift($traces)) {
if (!isset($trace['file']) || !isset($trace['line']) || $file != $trace['file']) {
continue;
}
foreach ($template->getDebugInfo() as $codeLine => $templateLine) {
if ($codeLine <= $trace['line']) {
// update template line
$this->lineno = $templateLine;
return;
}
}
}
}
}
}