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| Редакция | Автор | № строки | Строка |
|---|---|---|---|
| 304 | alex-w | 1 | <?php |
| 2 | |||
| 3 | /** |
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| 4 | * Smarty Internal Plugin TemplateBase |
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| 5 | * |
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| 6 | * This file contains the basic classes and methodes for template and variable creation |
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| 7 | * |
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| 8 | * @package Smarty |
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| 9 | * @subpackage Templates |
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| 10 | * @author Uwe Tews |
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| 11 | */ |
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| 12 | |||
| 13 | /** |
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| 14 | * Base class with template and variable methodes |
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| 15 | */ |
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| 16 | class Smarty_Internal_TemplateBase { |
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| 17 | // class used for templates |
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| 18 | public $template_class = 'Smarty_Internal_Template'; |
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| 19 | |||
| 20 | /** |
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| 21 | * assigns a Smarty variable |
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| 22 | * |
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| 23 | * @param array $ |string $tpl_var the template variable name(s) |
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| 24 | * @param mixed $value the value to assign |
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| 25 | * @param boolean $nocache if true any output of this variable will be not cached |
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| 26 | * @param boolean $scope the scope the variable will have (local,parent or root) |
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| 27 | */ |
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| 28 | public function assign($tpl_var, $value = null, $nocache = false, $scope = SMARTY_LOCAL_SCOPE) |
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| 29 | { |
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| 30 | if (is_array($tpl_var)) { |
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| 31 | foreach ($tpl_var as $_key => $_val) { |
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| 32 | if ($_key != '') { |
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| 33 | $this->check_tplvar($_key); |
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| 34 | $this->tpl_vars[$_key] = new Smarty_variable($_val, $nocache, $scope); |
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| 35 | } |
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| 36 | } |
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| 37 | } else { |
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| 38 | if ($tpl_var != '') { |
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| 39 | $this->check_tplvar($tpl_var); |
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| 40 | $this->tpl_vars[$tpl_var] = new Smarty_variable($value, $nocache, $scope); |
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| 41 | } |
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| 42 | } |
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| 43 | } |
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| 44 | /** |
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| 45 | * assigns a global Smarty variable |
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| 46 | * |
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| 47 | * @param string $varname the global variable name |
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| 48 | * @param mixed $value the value to assign |
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| 49 | * @param boolean $nocache if true any output of this variable will be not cached |
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| 50 | */ |
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| 51 | public function assign_global($varname, $value = null, $nocache = false) |
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| 52 | { |
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| 53 | if ($varname != '') { |
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| 54 | $this->check_tplvar($varname); |
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| 55 | $this->smarty->global_tpl_vars[$varname] = new Smarty_variable($value, $nocache); |
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| 56 | } |
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| 57 | } |
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| 58 | /** |
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| 59 | * assigns values to template variables by reference |
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| 60 | * wrapper to assign |
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| 61 | */ |
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| 62 | public function assign_by_ref($tpl_var, &$value, $nocache = false, $scope = SMARTY_LOCAL_SCOPE) |
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| 63 | { |
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| 64 | $this->assign($tpl_var, $value, $nocache, $scope); |
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| 65 | } |
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| 66 | /** |
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| 67 | * appends values to template variables |
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| 68 | * |
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| 69 | * @param array $ |string $tpl_var the template variable name(s) |
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| 70 | * @param mixed $value the value to append |
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| 71 | * @param boolean $merge flag if array elements shall be merged |
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| 72 | * @param boolean $nocache if true any output of this variable will be not cached |
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| 73 | * @param boolean $scope the scope the variable will have (local,parent or root) |
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| 74 | */ |
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| 75 | public function append($tpl_var, $value = null, $merge = false, $nocache = false, $scope = SMARTY_LOCAL_SCOPE) |
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| 76 | { |
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| 77 | if (is_array($tpl_var)) { |
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| 78 | // $tpl_var is an array, ignore $value |
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| 79 | foreach ($tpl_var as $_key => $_val) { |
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| 80 | if ($_key != '') { |
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| 81 | if (!isset($this->tpl_vars[$_key])) { |
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| 82 | $this->check_tplvar($_key); |
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| 83 | $tpl_var_inst = $this->getVariable($_key, null, true, false); |
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| 84 | if ($tpl_var_inst instanceof Undefined_Smarty_Variable) { |
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| 85 | $this->tpl_vars[$_key] = new Smarty_variable(null, $nocache, $scope); |
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| 86 | } else { |
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| 87 | $this->tpl_vars[$_key] = clone $tpl_var_inst; |
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| 88 | if ($scope != SMARTY_LOCAL_SCOPE) { |
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| 89 | $this->tpl_vars[$_key]->scope = $scope; |
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| 90 | } |
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| 91 | } |
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| 92 | } |
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| 93 | if (!(is_array($this->tpl_vars[$_key]->value) || $this->tpl_vars[$_key]->value instanceof ArrayAccess)) { |
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| 94 | settype($this->tpl_vars[$_key]->value, 'array'); |
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| 95 | } |
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| 96 | if ($merge && is_array($_val)) { |
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| 97 | foreach($_val as $_mkey => $_mval) { |
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| 98 | $this->tpl_vars[$_key]->value[$_mkey] = $_mval; |
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| 99 | } |
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| 100 | } else { |
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| 101 | $this->tpl_vars[$_key]->value[] = $_val; |
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| 102 | } |
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| 103 | } |
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| 104 | } |
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| 105 | } else { |
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| 106 | if ($tpl_var != '' && isset($value)) { |
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| 107 | if (!isset($this->tpl_vars[$tpl_var])) { |
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| 108 | $this->check_tplvar($tpl_var); |
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| 109 | $tpl_var_inst = $this->getVariable($tpl_var, null, true, false); |
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| 110 | if ($tpl_var_inst instanceof Undefined_Smarty_Variable) { |
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| 111 | $this->tpl_vars[$tpl_var] = new Smarty_variable(null, $nocache, $scope); |
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| 112 | } else { |
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| 113 | $this->tpl_vars[$tpl_var] = clone $tpl_var_inst; |
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| 114 | if ($scope != SMARTY_LOCAL_SCOPE) { |
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| 115 | $this->tpl_vars[$tpl_var]->scope = $scope; |
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| 116 | } |
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| 117 | } |
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| 118 | } |
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| 119 | if (!(is_array($this->tpl_vars[$tpl_var]->value) || $this->tpl_vars[$tpl_var]->value instanceof ArrayAccess)) { |
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| 120 | settype($this->tpl_vars[$tpl_var]->value, 'array'); |
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| 121 | } |
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| 122 | if ($merge && is_array($value)) { |
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| 123 | foreach($value as $_mkey => $_mval) { |
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| 124 | $this->tpl_vars[$tpl_var]->value[$_mkey] = $_mval; |
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| 125 | } |
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| 126 | } else { |
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| 127 | $this->tpl_vars[$tpl_var]->value[] = $value; |
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| 128 | } |
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| 129 | } |
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| 130 | } |
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| 131 | } |
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| 132 | |||
| 133 | /** |
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| 134 | * appends values to template variables by reference |
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| 135 | * |
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| 136 | * wrapper to append |
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| 137 | */ |
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| 138 | public function append_by_ref($tpl_var, $value = null, $merge = false, $nocache = false, $scope = SMARTY_LOCAL_SCOPE) |
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| 139 | { |
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| 140 | $this->append($tpl_var, $value, $merge, $nocache, $scope); |
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| 141 | } |
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| 142 | |||
| 143 | /** |
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| 144 | * check if template variable name is reserved. |
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| 145 | * |
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| 146 | * @param string $tpl_var the template variable |
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| 147 | */ |
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| 148 | private function check_tplvar($tpl_var) |
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| 149 | { |
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| 150 | if (in_array($tpl_var, array('this', 'smarty'))) { |
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| 151 | throw new Exception("Cannot assign value to reserved var '{$tpl_var}'"); |
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| 152 | } |
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| 153 | } |
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| 154 | |||
| 155 | /** |
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| 156 | * clear the given assigned template variable. |
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| 157 | * |
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| 158 | * @param string $ |array $tpl_var the template variable(s) to clear |
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| 159 | */ |
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| 160 | public function clear_assign($tpl_var) |
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| 161 | { |
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| 162 | if (is_array($tpl_var)) { |
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| 163 | foreach ($tpl_var as $curr_var) { |
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| 164 | unset($this->tpl_vars[$curr_var]); |
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| 165 | } |
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| 166 | } else { |
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| 167 | unset($this->tpl_vars[$tpl_var]); |
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| 168 | } |
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| 169 | } |
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| 170 | |||
| 171 | /** |
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| 172 | * clear all the assigned template variables. |
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| 173 | */ |
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| 174 | public function clear_all_assign() |
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| 175 | { |
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| 176 | $this->tpl_vars = array(); |
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| 177 | } |
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| 178 | |||
| 179 | /** |
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| 180 | * gets the object of a Smarty variable |
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| 181 | * |
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| 182 | * @param string $variable the name of the Smarty variable |
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| 183 | * @param object $_ptr optional pointer to data object |
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| 184 | * @param boolean $search_parents search also in parent data |
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| 185 | * @return object the object of the variable |
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| 186 | */ |
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| 187 | public function getVariable($variable, $_ptr = null, $search_parents = true, $error_enable = true) |
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| 188 | { |
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| 189 | if ($_ptr === null) { |
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| 190 | $_ptr = $this; |
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| 191 | } while ($_ptr !== null) { |
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| 192 | if (isset($_ptr->tpl_vars[$variable])) { |
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| 193 | // found it, return it |
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| 194 | return $_ptr->tpl_vars[$variable]; |
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| 195 | } |
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| 196 | // not found, try at parent |
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| 197 | if ($search_parents) { |
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| 198 | $_ptr = $_ptr->parent; |
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| 199 | } else { |
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| 200 | $_ptr = null; |
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| 201 | } |
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| 202 | } |
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| 203 | if (isset($this->smarty->global_tpl_vars[$variable])) { |
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| 204 | // found it, return it |
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| 205 | return $this->smarty->global_tpl_vars[$variable]; |
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| 206 | } |
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| 207 | if (Smarty::$error_unassigned && $error_enable) { |
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| 208 | throw new Exception('Undefined Smarty variable "' . $variable . '"'); |
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| 209 | } else { |
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| 210 | return new Undefined_Smarty_Variable; |
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| 211 | } |
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| 212 | } |
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| 213 | /** |
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| 214 | * gets a config variable |
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| 215 | * |
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| 216 | * @param string $variable the name of the config variable |
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| 217 | * @return mixed the value of the config variable |
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| 218 | */ |
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| 219 | public function getConfigVariable($variable) |
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| 220 | { |
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| 221 | $_ptr = $this; |
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| 222 | while ($_ptr !== null) { |
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| 223 | if (isset($_ptr->config_vars[$variable])) { |
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| 224 | // found it, return it |
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| 225 | return $_ptr->config_vars[$variable]; |
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| 226 | } |
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| 227 | // not found, try at parent |
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| 228 | $_ptr = $_ptr->parent; |
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| 229 | } |
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| 230 | if (Smarty::$error_unassigned) { |
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| 231 | throw new Exception('Undefined config variable "' . $variable . '"'); |
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| 232 | } else { |
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| 233 | return ''; |
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| 234 | } |
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| 235 | } |
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| 236 | /** |
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| 237 | * gets a stream variable |
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| 238 | * |
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| 239 | * @param string $variable the stream of the variable |
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| 240 | * @return mixed the value of the stream variable |
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| 241 | */ |
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| 242 | public function getStreamVariable($variable) |
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| 243 | { |
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| 244 | $_result = ''; |
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| 245 | if ($fp = fopen($variable, 'r+')) { |
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| 246 | while (!feof($fp)) { |
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| 247 | $_result .= fgets($fp); |
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| 248 | } |
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| 249 | fclose($fp); |
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| 250 | return $_result; |
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| 251 | } |
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| 252 | |||
| 253 | if (Smarty::$error_unassigned) { |
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| 254 | throw new Exception('Undefined stream variable "' . $variable . '"'); |
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| 255 | } else { |
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| 256 | return ''; |
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| 257 | } |
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| 258 | } |
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| 259 | |||
| 260 | /** |
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| 261 | * creates a template object |
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| 262 | * |
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| 263 | * @param string $template the resource handle of the template file |
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| 264 | * @param object $parent next higher level of Smarty variables |
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| 265 | * @param mixed $cache_id cache id to be used with this template |
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| 266 | * @param mixed $compile_id compile id to be used with this template |
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| 267 | * @returns object template object |
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| 268 | */ |
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| 269 | public function createTemplate($template, $cache_id = null, $compile_id = null, $parent = null) |
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| 270 | { |
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| 271 | if (is_object($cache_id) || is_array($cache_id)) { |
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| 272 | $parent = $cache_id; |
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| 273 | $cache_id = null; |
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| 274 | } |
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| 275 | if (is_array($parent)) { |
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| 276 | $data = $parent; |
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| 277 | $parent = null; |
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| 278 | } else { |
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| 279 | $data = null; |
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| 280 | } |
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| 281 | if (!is_object($template)) { |
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| 282 | // we got a template resource |
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| 283 | $_templateId = $this->buildTemplateId ($template, $cache_id, $compile_id); |
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| 284 | // already in template cache? |
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| 285 | if (isset($this->smarty->template_objects[$_templateId])) { |
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| 286 | // return cached template object |
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| 287 | $tpl = $this->smarty->template_objects[$_templateId]; |
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| 288 | } else { |
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| 289 | // create and cache new template object |
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| 290 | $tpl = new $this->template_class($template, $this->smarty, $parent, $cache_id, $compile_id); |
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| 291 | } |
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| 292 | } else { |
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| 293 | // just return a copy of template class |
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| 294 | $tpl = $template; |
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| 295 | } |
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| 296 | // fill data if present |
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| 297 | if (is_array($data)) { |
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| 298 | // set up variable values |
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| 299 | foreach ($data as $_key => $_val) { |
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| 300 | $tpl->tpl_vars[$_key] = new Smarty_variable($_val); |
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| 301 | } |
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| 302 | } |
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| 303 | return $tpl; |
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| 304 | } |
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| 305 | |||
| 306 | /** |
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| 307 | * generates a template id |
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| 308 | * |
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| 309 | * @param string $_resource the resource handle of the template file |
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| 310 | * @param mixed $_cache_id cache id to be used with this template |
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| 311 | * @param mixed $_compile_id compile id to be used with this template |
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| 312 | * @returns string a unique template id |
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| 313 | */ |
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| 314 | function buildTemplateId ($_resource, $_cache_id, $_compile_id) |
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| 315 | { |
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| 316 | // return md5($_resource . md5($_cache_id) . md5($_compile_id)); |
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| 317 | return crc32($_resource . $_cache_id . $_compile_id); |
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| 318 | } |
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| 319 | |||
| 320 | /** |
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| 321 | * return current time |
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| 322 | * |
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| 323 | * @returns double current time |
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| 324 | */ |
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| 325 | function _get_time() |
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| 326 | { |
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| 327 | $_mtime = microtime(); |
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| 328 | $_mtime = explode(" ", $_mtime); |
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| 329 | return (double)($_mtime[1]) + (double)($_mtime[0]); |
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| 330 | } |
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| 331 | } |
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| 332 | |||
| 333 | /** |
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| 334 | * class for the Smarty data object |
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| 335 | * |
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| 336 | * The Smarty data object will hold Smarty variables in the current scope |
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| 337 | * |
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| 338 | * @param object $parent tpl_vars next higher level of Smarty variables |
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| 339 | */ |
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| 340 | class Smarty_Data extends Smarty_Internal_TemplateBase { |
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| 341 | // array of variable objects |
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| 342 | public $tpl_vars = array(); |
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| 343 | // back pointer to parent object |
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| 344 | public $parent = null; |
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| 345 | // config vars |
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| 346 | public $config_vars = array(); |
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| 347 | /** |
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| 348 | * create Smarty data object |
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| 349 | */ |
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| 350 | public function __construct ($_parent = null) |
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| 351 | { |
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| 352 | if (is_object($_parent)) { |
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| 353 | // when object set up back pointer |
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| 354 | $this->parent = $_parent; |
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| 355 | } elseif (is_array($_parent)) { |
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| 356 | // set up variable values |
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| 357 | foreach ($_parent as $_key => $_val) { |
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| 358 | $this->tpl_vars[$_key] = new Smarty_variable($_val); |
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| 359 | } |
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| 360 | } else { |
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| 361 | throw new Exception("Wrong type for template variables"); |
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| 362 | } |
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| 363 | } |
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| 364 | } |
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| 365 | /** |
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| 366 | * class for the Smarty variable object |
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| 367 | * |
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| 368 | * This class defines the Smarty variable object |
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| 369 | */ |
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| 370 | class Smarty_Variable { |
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| 371 | // template variable |
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| 372 | public $value; |
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| 373 | public $nocache; |
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| 374 | public $scope; |
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| 375 | /** |
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| 376 | * create Smarty variable object |
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| 377 | * |
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| 378 | * @param mixed $value the value to assign |
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| 379 | * @param boolean $nocache if true any output of this variable will be not cached |
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| 380 | * @param boolean $scope the scope the variable will have (local,parent or root) |
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| 381 | */ |
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| 382 | public function __construct ($value = null, $nocache = false, $scope = SMARTY_LOCAL_SCOPE) |
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| 383 | { |
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| 384 | $this->value = $value; |
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| 385 | $this->nocache = $nocache; |
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| 386 | $this->scope = $scope; |
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| 387 | } |
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| 388 | } |
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| 389 | |||
| 390 | /** |
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| 391 | * class for undefined variable object |
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| 392 | * |
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| 393 | * This class defines an object for undefined variable handling |
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| 394 | */ |
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| 395 | class Undefined_Smarty_Variable { |
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| 396 | // return always false |
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| 397 | public function __get ($name) |
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| 398 | { |
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| 399 | if ($name == 'nocache') { |
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| 400 | return false; |
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| 401 | } else { |
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| 402 | return null; |
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| 403 | } |
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| 404 | } |
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| 405 | } |
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| 406 | |||
| 407 | ?> |