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<?php
/*
* This file is part of Contao.
*
* (c) Leo Feyer
*
* @license LGPL-3.0-or-later
*/
namespace Contao;
/**
* Loads a set of DCA files
*
* The class loads the DCA files of a certain table and stores a combined
* version in the cache directory.
*
* Usage:
*
* $dca = new DcaLoader('tl_user');
* $dca->load();
*/
class DcaLoader extends Controller
{
/**
* @var array
*/
protected static $arrLoaded = array();
/**
* Table name
* @var string
*/
protected $strTable;
/**
* Store the table name
*
* @param string $strTable The table name
*
* @throws \Exception If $strTable is empty
*/
public function __construct($strTable)
{
if (!$strTable)
{
throw new \Exception('The table name must not be empty');
}
if (Validator::isInsecurePath($strTable))
{
throw new \InvalidArgumentException('The table name contains invalid characters');
}
parent::__construct();
$this->strTable = $strTable;
}
/**
* Load a set of DCA files
*
* @param boolean $blnNoCache If true, the cache will be bypassed
*/
public function load($blnNoCache=false)
{
if (\func_num_args() > 0)
{
trigger_deprecation('contao/core-bundle', '4.13', 'Calling "%s" with the $blnNoCache parameter has been deprecated and will no longer work in Contao 5.0.', __METHOD__);
}
try
{
$this->loadDcaFiles($blnNoCache);
}
catch (\Throwable $e)
{
unset(static::$arrLoaded['dcaFiles'][$this->strTable]);
throw $e;
}
}
/**
* Load the DCA files
*
* @param boolean $blnNoCache
*/
private function loadDcaFiles($blnNoCache)
{
// Return if the data has been loaded already
if (!$blnNoCache && isset(static::$arrLoaded['dcaFiles'][$this->strTable]))
{
return;
}
static::$arrLoaded['dcaFiles'][$this->strTable] = true; // see #6145
$strCacheDir = System::getContainer()->getParameter('kernel.cache_dir');
// Try to load from cache
if (file_exists($strCacheDir . '/contao/dca/' . $this->strTable . '.php'))
{
include $strCacheDir . '/contao/dca/' . $this->strTable . '.php';
}
else
{
try
{
$files = System::getContainer()->get('contao.resource_locator')->locate('dca/' . $this->strTable . '.php', null, false);
}
catch (\InvalidArgumentException $e)
{
$files = array();
}
foreach ($files as $file)
{
include $file;
}
}
// Set the ptable dynamically
$this->setDynamicPTable();
// HOOK: allow loading custom settings
if (isset($GLOBALS['TL_HOOKS']['loadDataContainer']) && \is_array($GLOBALS['TL_HOOKS']['loadDataContainer']))
{
foreach ($GLOBALS['TL_HOOKS']['loadDataContainer'] as $callback)
{
$this->import($callback[0]);
$this->{$callback[0]}->{$callback[1]}($this->strTable);
}
}
$projectDir = System::getContainer()->getParameter('kernel.project_dir');
// Local configuration file
if (file_exists($projectDir . '/system/config/dcaconfig.php'))
{
trigger_deprecation('contao/core-bundle', '4.3', 'Using the "dcaconfig.php" file has been deprecated and will no longer work in Contao 5.0. Create custom DCA files in the "contao/dca" folder instead.');
include $projectDir . '/system/config/dcaconfig.php';
}
$this->addDefaultLabels($blnNoCache);
}
/**
* Add the default labels (see #509)
*
* @param boolean $blnNoCache
*/
private function addDefaultLabels($blnNoCache)
{
// Operations
foreach (array('global_operations', 'operations') as $key)
{
if (!isset($GLOBALS['TL_DCA'][$this->strTable]['list'][$key]))
{
continue;
}
foreach ($GLOBALS['TL_DCA'][$this->strTable]['list'][$key] as $k=>&$v)
{
if (\is_array($v) && \array_key_exists('label', $v))
{
continue;
}
if (isset($GLOBALS['TL_LANG'][$this->strTable][$k]) || !isset($GLOBALS['TL_LANG']['DCA'][$k]))
{
$v['label'] = &$GLOBALS['TL_LANG'][$this->strTable][$k];
}
elseif (isset($GLOBALS['TL_LANG']['DCA'][$k]))
{
$v['label'] = &$GLOBALS['TL_LANG']['DCA'][$k];
}
}
unset($v);
}
// Fields
if (isset($GLOBALS['TL_DCA'][$this->strTable]['fields']))
{
foreach ($GLOBALS['TL_DCA'][$this->strTable]['fields'] as $k=>&$v)
{
if (isset($v['label']))
{
continue;
}
$v['label'] = &$GLOBALS['TL_LANG'][$this->strTable][$k];
}
unset($v);
}
}
/**
* Sets the parent table for the current table, if enabled and not set.
*/
private function setDynamicPTable(): void
{
if (!($GLOBALS['TL_DCA'][$this->strTable]['config']['dynamicPtable'] ?? null) || !isset($GLOBALS['BE_MOD']) || isset($GLOBALS['TL_DCA'][$this->strTable]['config']['ptable']))
{
return;
}
if (!$do = Input::get('do'))
{
return;
}
foreach (array_merge(...array_values($GLOBALS['BE_MOD'])) as $key => $module)
{
if ($do !== $key || !isset($module['tables']) || !\is_array($module['tables']))
{
continue;
}
foreach ($module['tables'] as $table)
{
Controller::loadDataContainer($table);
$ctable = $GLOBALS['TL_DCA'][$table]['config']['ctable'] ?? array();
if (\in_array($this->strTable, $ctable, true))
{
$GLOBALS['TL_DCA'][$this->strTable]['config']['ptable'] = $table;
return;
}
}
}
}
}
class_alias(DcaLoader::class, 'DcaLoader');

vendor/contao/core-bundle/src/Resources/contao/library/Contao/DcaLoader.php line 120