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