<?php
/**
* Smarty Internal Plugin Compile Break
* Compiles the {break} tag
*
* @package Smarty
* @subpackage Compiler
* @author Uwe Tews
*/
/**
* Smarty Internal Plugin Compile Break Class
*
* @package Smarty
* @subpackage Compiler
*/
class Smarty_Internal_Compile_Break extends Smarty_Internal_CompileBase
{
/**
* Attribute definition: Overwrites base class.
*
* @var array
* @see Smarty_Internal_CompileBase
*/
public $optional_attributes = array('levels');
/**
* Attribute definition: Overwrites base class.
*
* @var array
* @see Smarty_Internal_CompileBase
*/
public $shorttag_order = array('levels');
/**
* Compiles code for the {break} tag
*
* @param array $args array with attributes from parser
* @param object $compiler compiler object
* @param array $parameter array with compilation parameter
*
* @return string compiled code
*/
public function compile($args, $compiler, $parameter)
{
static $_is_loopy = array('for' => true, 'foreach' => true, 'while' => true, 'section' => true);
// check and get attributes
$_attr = $this->getAttributes($compiler, $args);
if ($_attr['nocache'] === true) {
$compiler->trigger_template_error('nocache option not allowed', $compiler->lex->taglineno);
}
if (isset($_attr['levels'])) {
if (!is_numeric($_attr['levels'])) {
$compiler->trigger_template_error('level attribute must be a numeric constant', $compiler->lex->taglineno);
}
$_levels = $_attr['levels'];
} else {
$_levels = 1;
}
$level_count = $_levels;
$stack_count = count($compiler->_tag_stack) - 1;
while ($level_count > 0 && $stack_count >= 0) {
if (isset($_is_loopy[$compiler->_tag_stack[$stack_count][0]])) {
$level_count --;
}
$stack_count --;
}
if ($level_count != 0) {
$compiler->trigger_template_error("cannot break {$_levels} level(s)", $compiler->lex->taglineno);
}
return "<?php break {$_levels}?>";
}
}
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