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1 <?php |
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2 /** |
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3 * Smarty Internal Plugin Compile Function |
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4 * |
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5 * Compiles the {function} {/function} tags |
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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 /** |
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13 * Smarty Internal Plugin Compile Function Class |
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14 * |
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15 * @package Smarty |
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16 * @subpackage Compiler |
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17 */ |
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18 class Smarty_Internal_Compile_Function extends Smarty_Internal_CompileBase { |
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19 |
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20 /** |
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21 * Attribute definition: Overwrites base class. |
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22 * |
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23 * @var array |
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24 * @see Smarty_Internal_CompileBase |
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25 */ |
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26 public $required_attributes = array('name'); |
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27 /** |
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28 * Attribute definition: Overwrites base class. |
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29 * |
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30 * @var array |
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31 * @see Smarty_Internal_CompileBase |
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32 */ |
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33 public $shorttag_order = array('name'); |
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34 /** |
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35 * Attribute definition: Overwrites base class. |
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36 * |
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37 * @var array |
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38 * @see Smarty_Internal_CompileBase |
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39 */ |
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40 public $optional_attributes = array('_any'); |
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41 |
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42 /** |
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43 * Compiles code for the {function} tag |
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44 * |
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45 * @param array $args array with attributes from parser |
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46 * @param object $compiler compiler object |
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47 * @param array $parameter array with compilation parameter |
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48 * @return boolean true |
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49 */ |
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50 public function compile($args, $compiler, $parameter) |
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51 { |
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52 // check and get attributes |
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53 $_attr = $this->getAttributes($compiler, $args); |
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54 |
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55 if ($_attr['nocache'] === true) { |
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56 $compiler->trigger_template_error('nocache option not allowed', $compiler->lex->taglineno); |
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57 } |
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58 unset($_attr['nocache']); |
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59 $save = array($_attr, $compiler->parser->current_buffer, |
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60 $compiler->template->has_nocache_code, $compiler->template->required_plugins); |
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61 $this->openTag($compiler, 'function', $save); |
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62 $_name = trim($_attr['name'], "'\""); |
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63 unset($_attr['name']); |
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64 // set flag that we are compiling a template function |
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65 $compiler->compiles_template_function = true; |
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66 $compiler->template->properties['function'][$_name]['parameter'] = array(); |
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67 $_smarty_tpl = $compiler->template; |
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68 foreach ($_attr as $_key => $_data) { |
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69 eval ('$tmp='.$_data.';'); |
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70 $compiler->template->properties['function'][$_name]['parameter'][$_key] = $tmp; |
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71 } |
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72 $compiler->smarty->template_functions[$_name]['parameter'] = $compiler->template->properties['function'][$_name]['parameter']; |
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73 if ($compiler->template->caching) { |
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74 $output = ''; |
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75 } else { |
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76 $output = "<?php if (!function_exists('smarty_template_function_{$_name}')) { |
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77 function smarty_template_function_{$_name}(\$_smarty_tpl,\$params) { |
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78 \$saved_tpl_vars = \$_smarty_tpl->tpl_vars; |
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79 foreach (\$_smarty_tpl->smarty->template_functions['{$_name}']['parameter'] as \$key => \$value) {\$_smarty_tpl->tpl_vars[\$key] = new Smarty_variable(\$value);}; |
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80 foreach (\$params as \$key => \$value) {\$_smarty_tpl->tpl_vars[\$key] = new Smarty_variable(\$value);}?>"; |
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81 } |
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82 // Init temporay context |
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83 $compiler->template->required_plugins = array('compiled' => array(), 'nocache' => array()); |
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84 $compiler->parser->current_buffer = new _smarty_template_buffer($compiler->parser); |
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85 $compiler->parser->current_buffer->append_subtree(new _smarty_tag($compiler->parser, $output)); |
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86 $compiler->template->has_nocache_code = false; |
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87 $compiler->has_code = false; |
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88 $compiler->template->properties['function'][$_name]['compiled'] = ''; |
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89 return true; |
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90 } |
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91 |
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92 } |
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93 |
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94 /** |
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95 * Smarty Internal Plugin Compile Functionclose Class |
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96 * |
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97 * @package Smarty |
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98 * @subpackage Compiler |
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99 */ |
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100 class Smarty_Internal_Compile_Functionclose extends Smarty_Internal_CompileBase { |
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101 |
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102 /** |
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103 * Compiles code for the {/function} tag |
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104 * |
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105 * @param array $args array with attributes from parser |
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106 * @param object $compiler compiler object |
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107 * @param array $parameter array with compilation parameter |
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108 * @return boolean true |
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109 */ |
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110 public function compile($args, $compiler, $parameter) |
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111 { |
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112 $_attr = $this->getAttributes($compiler, $args); |
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113 $saved_data = $this->closeTag($compiler, array('function')); |
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114 $_name = trim($saved_data[0]['name'], "'\""); |
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115 // build plugin include code |
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116 $plugins_string = ''; |
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117 if (!empty($compiler->template->required_plugins['compiled'])) { |
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118 $plugins_string = '<?php '; |
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119 foreach($compiler->template->required_plugins['compiled'] as $tmp) { |
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120 foreach($tmp as $data) { |
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121 $plugins_string .= "if (!is_callable('{$data['function']}')) include '{$data['file']}';\n"; |
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122 } |
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123 } |
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124 $plugins_string .= '?>'; |
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125 } |
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126 if (!empty($compiler->template->required_plugins['nocache'])) { |
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127 $plugins_string .= "<?php echo '/*%%SmartyNocache:{$compiler->template->properties['nocache_hash']}%%*/<?php "; |
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128 foreach($compiler->template->required_plugins['nocache'] as $tmp) { |
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129 foreach($tmp as $data) { |
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130 $plugins_string .= "if (!is_callable(\'{$data['function']}\')) include \'{$data['file']}\';\n"; |
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131 } |
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132 } |
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133 $plugins_string .= "?>/*/%%SmartyNocache:{$compiler->template->properties['nocache_hash']}%%*/';?>\n"; |
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134 } |
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135 // remove last line break from function definition |
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136 $last = count($compiler->parser->current_buffer->subtrees) - 1; |
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137 if ($compiler->parser->current_buffer->subtrees[$last] instanceof _smarty_linebreak) { |
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138 unset($compiler->parser->current_buffer->subtrees[$last]); |
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139 } |
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140 // if caching save template function for possible nocache call |
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141 if ($compiler->template->caching) { |
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142 $compiler->template->properties['function'][$_name]['compiled'] .= $plugins_string |
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143 . $compiler->parser->current_buffer->to_smarty_php(); |
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144 $compiler->template->properties['function'][$_name]['nocache_hash'] = $compiler->template->properties['nocache_hash']; |
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145 $compiler->template->properties['function'][$_name]['has_nocache_code'] = $compiler->template->has_nocache_code; |
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146 $compiler->template->properties['function'][$_name]['called_functions'] = $compiler->called_functions; |
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147 $compiler->called_functions = array(); |
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148 $compiler->smarty->template_functions[$_name] = $compiler->template->properties['function'][$_name]; |
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149 $compiler->has_code = false; |
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150 $output = true; |
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151 } else { |
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152 $output = $plugins_string . $compiler->parser->current_buffer->to_smarty_php() . "<?php \$_smarty_tpl->tpl_vars = \$saved_tpl_vars;}}?>\n"; |
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153 } |
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154 // reset flag that we are compiling a template function |
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155 $compiler->compiles_template_function = false; |
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156 // restore old compiler status |
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157 $compiler->parser->current_buffer = $saved_data[1]; |
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158 $compiler->template->has_nocache_code = $compiler->template->has_nocache_code | $saved_data[2]; |
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159 $compiler->template->required_plugins = $saved_data[3]; |
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160 return $output; |
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161 } |
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162 |
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163 } |
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164 |
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165 ?> |