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<?php
/**
* Smarty Internal Plugin Compile extend
* Compiles the {extends} tag
*
* @package Smarty
* @subpackage Compiler
* @author Uwe Tews
*/
/**
* Smarty Internal Plugin Compile extend Class
*
* @package Smarty
* @subpackage Compiler
*/
class Smarty_Internal_Compile_Extends extends Smarty_Internal_CompileBase
{
/**
* Attribute definition: Overwrites base class.
*
* @var array
* @see Smarty_Internal_CompileBase
*/
public $required_attributes = array('file');
/**
* Attribute definition: Overwrites base class.
*
* @var array
* @see Smarty_Internal_CompileBase
*/
public $shorttag_order = array('file');
/**
* Compiles code for the {extends} tag
*
* @param array $args array with attributes from parser
* @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object
*
* @return string compiled code
* @throws \SmartyCompilerException
* @throws \SmartyException
*/
public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler)
{
// check and get attributes
$_attr = $this->getAttributes($compiler, $args);
if ($_attr['nocache'] === true) {
$compiler->trigger_template_error('nocache option not allowed', null, true);
}
if (strpos($_attr['file'], '$_tmp') !== false) {
$compiler->trigger_template_error('illegal value for file attribute', null, true);
}
$name = $_attr['file'];
if ($compiler->has_variable_string || !((substr_count($name, '"') == 2 || substr_count($name, "'") == 2)) ||
substr_count($name, '(') != 0 || substr_count($name, '$_smarty_tpl->') != 0
) {
/** @var Smarty_Internal_Template $_smarty_tpl
* used in evaluated code
*/
$_smarty_tpl = $compiler->template;
eval("\$tpl_name = @{$name};");
} else {
$tpl_name = trim($name, '\'"');
}
// create source object
$_source = Smarty_Template_Source::load(null, $compiler->smarty, $tpl_name);
// check for recursion
$uid = $_source->uid;
if (isset($compiler->extends_uid[$uid])) {
$compiler->trigger_template_error("illegal recursive call of \"{$_source->filepath}\"", $compiler->parser->lex->line -
1);
}
$compiler->extends_uid[$uid] = true;
if (empty($_source->components)) {
array_unshift($compiler->sources, $_source);
} else {
foreach ($_source->components as $source) {
array_unshift($compiler->sources, $source);
$uid = $source->uid;
if (isset($compiler->extends_uid[$uid])) {
$compiler->trigger_template_error("illegal recursive call of \"{$source->filepath}\"", $compiler->parser->lex->line -
1);
}
$compiler->extends_uid[$uid] = true;
}
}
$compiler->inheritance_child = true;
$compiler->parser->lex->yypushstate(Smarty_Internal_Templatelexer::CHILDBODY);
return '';
}
}
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