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<?php
/**
* Smarty Internal Plugin Compile Assign
* Compiles the {assign} tag
*
* @package Smarty
* @subpackage Compiler
* @author Uwe Tews
*/
/**
* Smarty Internal Plugin Compile Assign Class
*
* @package Smarty
* @subpackage Compiler
*/
class Smarty_Internal_Compile_Assign extends Smarty_Internal_CompileBase
{
/**
* Valid scope names
*
* @var array
*/
public $valid_scopes = array('local' => true, 'parent' => true, 'root' => true, 'global' => true,
'tpl_root' => true);
/**
* Compiles code for the {assign} tag
*
* @param array $args array with attributes from parser
* @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object
* @param array $parameter array with compilation parameter
*
* @return string compiled code
* @throws \SmartyCompilerException
*/
public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter)
{
// the following must be assigned at runtime because it will be overwritten in Smarty_Internal_Compile_Append
$this->required_attributes = array('var', 'value');
$this->shorttag_order = array('var', 'value');
$this->optional_attributes = array('scope', 'bubble_up');
$_nocache = 'null';
// check and get attributes
$_attr = $this->getAttributes($compiler, $args);
// nocache ?
if ($compiler->tag_nocache || $compiler->nocache) {
$_nocache = 'true';
// create nocache var to make it know for further compiling
if (isset($compiler->template->tpl_vars[ trim($_attr[ 'var' ], "'") ])) {
$compiler->template->tpl_vars[ trim($_attr[ 'var' ], "'") ]->nocache = true;
} else {
$compiler->template->tpl_vars[ trim($_attr[ 'var' ], "'") ] = new Smarty_Variable(null, true);
}
}
// scope setup
$_scope = Smarty::SCOPE_LOCAL;
if (isset($_attr[ 'scope' ])) {
$_attr[ 'scope' ] = trim($_attr[ 'scope' ], "'\"");
if (!isset($this->valid_scopes[ $_attr[ 'scope' ] ])) {
$compiler->trigger_template_error("illegal value '{$_attr['scope']}' for \"scope\" attribute", null,
true);
}
if ($_attr[ 'scope' ] != 'local') {
if ($_attr[ 'scope' ] == 'parent') {
$_scope = Smarty::SCOPE_PARENT;
} elseif ($_attr[ 'scope' ] == 'root') {
$_scope = Smarty::SCOPE_ROOT;
} elseif ($_attr[ 'scope' ] == 'global') {
$_scope = Smarty::SCOPE_GLOBAL;
} elseif ($_attr[ 'scope' ] == 'tpl_root') {
$_scope = Smarty::SCOPE_TPL_ROOT;
}
$_scope += (isset($_attr[ 'bubble_up' ]) && $_attr[ 'bubble_up' ] == 'false') ? 0 :
Smarty::SCOPE_BUBBLE_UP;
}
}
if (isset($parameter[ 'smarty_internal_index' ])) {
$output = "<?php \$_smarty_tpl->_createLocalArrayVariable({$_attr['var']}, {$_nocache});\n";
$output .= "\$_smarty_tpl->tpl_vars[{$_attr['var']}]->value{$parameter['smarty_internal_index']} = {$_attr['value']};\n";
if ($_scope != Smarty::SCOPE_LOCAL) {
$output .= "\$_smarty_tpl->ext->_updateScope->updateScope(\$_smarty_tpl, {$_attr['var']}, {$_scope});\n";
} else {
$output .= "if (\$_smarty_tpl->scope & Smarty::SCOPE_BUBBLE_UP) {\n";
$output .= "\$_smarty_tpl->ext->_updateScope->updateScope(\$_smarty_tpl, {$_attr['var']});\n}\n";
}
$output .= '?>';
} else {
if ($compiler->template->smarty instanceof SmartyBC) {
$_smartyBC = 'true';
} else {
$_smartyBC = 'false';
}
$output =
"<?php \$_smarty_tpl->_assignInScope({$_attr['var']}, {$_attr['value']}, {$_nocache}, {$_scope}, {$_smartyBC});\n?>";
}
return $output;
}
}
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