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