smarty_internal_compile_break.php (2241B)
1 <?php 2 /** 3 * Smarty Internal Plugin Compile Break 4 * Compiles the {break} tag 5 * 6 * @package Smarty 7 * @subpackage Compiler 8 * @author Uwe Tews 9 */ 10 11 /** 12 * Smarty Internal Plugin Compile Break Class 13 * 14 * @package Smarty 15 * @subpackage Compiler 16 */ 17 class Smarty_Internal_Compile_Break 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 * Attribute definition: Overwrites base class. 28 * 29 * @var array 30 * @see Smarty_Internal_CompileBase 31 */ 32 public $shorttag_order = array('levels'); 33 34 /** 35 * Compiles code for the {break} tag 36 * 37 * @param array $args array with attributes from parser 38 * @param object $compiler compiler object 39 * @param array $parameter array with compilation parameter 40 * 41 * @return string compiled code 42 */ 43 public function compile($args, $compiler, $parameter) 44 { 45 static $_is_loopy = array('for' => true, 'foreach' => true, 'while' => true, 'section' => true); 46 // check and get attributes 47 $_attr = $this->getAttributes($compiler, $args); 48 49 if ($_attr['nocache'] === true) { 50 $compiler->trigger_template_error('nocache option not allowed', $compiler->lex->taglineno); 51 } 52 53 if (isset($_attr['levels'])) { 54 if (!is_numeric($_attr['levels'])) { 55 $compiler->trigger_template_error('level attribute must be a numeric constant', $compiler->lex->taglineno); 56 } 57 $_levels = $_attr['levels']; 58 } else { 59 $_levels = 1; 60 } 61 $level_count = $_levels; 62 $stack_count = count($compiler->_tag_stack) - 1; 63 while ($level_count > 0 && $stack_count >= 0) { 64 if (isset($_is_loopy[$compiler->_tag_stack[$stack_count][0]])) { 65 $level_count --; 66 } 67 $stack_count --; 68 } 69 if ($level_count != 0) { 70 $compiler->trigger_template_error("cannot break {$_levels} level(s)", $compiler->lex->taglineno); 71 } 72 73 return "<?php break {$_levels};?>"; 74 } 75 }