/packages/Output/Smarty/Core/sysplugins/smarty_internal_compile_continue.php

 1<?php
 2/**
 3 * Smarty Internal Plugin Compile Continue
 4 * Compiles the {continue} tag
 5 *
 6 * @package    Smarty
 7 * @subpackage Compiler
 8 * @author     Uwe Tews
 9 */
10
11/**
12 * Smarty Internal Plugin Compile Continue Class
13 *
14 * @package    Smarty
15 * @subpackage Compiler
16 */
17class Smarty_Internal_Compile_Continue extends Smarty_Internal_CompileBase
18{
19    /**
20     * Attribute definition: Overwrites base class.
21     *
22     * @var array
23     * @see Smarty_Internal_CompileBase
24     */
25    public $optional_attributes = array('levels');
26
27    /**
28     * Attribute definition: Overwrites base class.
29     *
30     * @var array
31     * @see Smarty_Internal_CompileBase
32     */
33    public $shorttag_order = array('levels');
34
35    /**
36     * Compiles code for the {continue} tag
37     *
38     * @param  array                                $args      array with attributes from parser
39     * @param \Smarty_Internal_TemplateCompilerBase $compiler  compiler object
40     * @param  array                                $parameter array with compilation parameter
41     *
42     * @return string compiled code
43     * @throws \SmartyCompilerException
44     */
45    public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter)
46    {
47        static $_is_loopy = array('for' => true, 'foreach' => true, 'while' => true, 'section' => true);
48        // check and get attributes
49        $_attr = $this->getAttributes($compiler, $args);
50
51        if ($_attr[ 'nocache' ] === true) {
52            $compiler->trigger_template_error('nocache option not allowed', null, true);
53        }
54
55        if (isset($_attr[ 'levels' ])) {
56            if (!is_numeric($_attr[ 'levels' ])) {
57                $compiler->trigger_template_error('level attribute must be a numeric constant', null, true);
58            }
59            $_levels = $_attr[ 'levels' ];
60        } else {
61            $_levels = 1;
62        }
63        $level_count = $_levels;
64        $stack_count = count($compiler->_tag_stack) - 1;
65        while ($level_count > 0 && $stack_count >= 0) {
66            if (isset($_is_loopy[ $compiler->_tag_stack[ $stack_count ][ 0 ] ])) {
67                $level_count --;
68            }
69            $stack_count --;
70        }
71        if ($level_count != 0) {
72            $compiler->trigger_template_error("cannot continue {$_levels} level(s)", null, true);
73        }
74
75        return "<?php continue {$_levels};?>";
76    }
77}