1 <?php |
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2 |
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3 /** |
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4 * Smarty Resource Data Object |
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5 * Meta Data Container for Template Files |
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6 * |
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7 * @package Smarty |
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8 * @subpackage TemplateResources |
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9 * @author Rodney Rehm |
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10 * @property integer $timestamp Source Timestamp |
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11 * @property boolean $exists Source Existence |
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12 * @property boolean $template Extended Template reference |
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13 * @property string $content Source Content |
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14 */ |
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15 class Smarty_Template_Source { |
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16 /** |
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17 * Name of the Class to compile this resource's contents with |
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18 * |
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19 * @var string |
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20 */ |
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21 public $compiler_class = null; |
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22 |
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23 /** |
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24 * Name of the Class to tokenize this resource's contents with |
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25 * |
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26 * @var string |
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27 */ |
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28 public $template_lexer_class = null; |
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29 |
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30 /** |
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31 * Name of the Class to parse this resource's contents with |
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32 * |
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33 * @var string |
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34 */ |
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35 public $template_parser_class = null; |
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36 |
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37 /** |
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38 * Unique Template ID |
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39 * |
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40 * @var string |
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41 */ |
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42 public $uid = null; |
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43 |
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44 /** |
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45 * Template Resource (Smarty_Internal_Template::$template_resource) |
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46 * |
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47 * @var string |
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48 */ |
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49 public $resource = null; |
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50 |
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51 /** |
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52 * Resource Type |
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53 * |
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54 * @var string |
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55 */ |
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56 public $type = null; |
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57 |
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58 /** |
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59 * Resource Name |
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60 * |
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61 * @var string |
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62 */ |
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63 public $name = null; |
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64 |
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65 /** |
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66 * Unique Resource Name |
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67 * |
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68 * @var string |
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69 */ |
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70 public $unique_resource = null; |
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71 |
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72 /** |
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73 * Source Filepath |
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74 * |
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75 * @var string |
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76 */ |
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77 public $filepath = null; |
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78 /** |
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79 * Source File Base name |
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80 * |
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81 * @var string |
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82 */ |
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83 public $basename = null; |
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84 |
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85 /** |
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86 * The Components an extended template is made of |
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87 * |
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88 * @var array |
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89 */ |
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90 public $components = null; |
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91 |
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92 /** |
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93 * Resource Handler |
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94 * |
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95 * @var Smarty_Resource |
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96 */ |
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97 public $handler = null; |
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98 |
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99 /** |
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100 * Smarty instance |
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101 * |
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102 * @var Smarty |
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103 */ |
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104 public $smarty = null; |
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105 /** |
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106 * Resource is source |
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107 * |
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108 * @var bool |
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109 */ |
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110 public $isConfig = false; |
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111 /** |
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112 * Source is bypassing compiler |
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113 * |
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114 * @var boolean |
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115 */ |
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116 public $uncompiled = false; |
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117 |
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118 /** |
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119 * Source must be recompiled on every occasion |
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120 * |
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121 * @var boolean |
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122 */ |
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123 public $recompiled = false; |
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124 /** |
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125 * cache for Smarty_Template_Compiled instances |
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126 * |
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127 * @var array |
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128 */ |
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129 public $compileds = array(); |
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130 |
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131 /** |
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132 * create Source Object container |
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133 * |
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134 * @param Smarty_Resource $handler Resource Handler this source object communicates with |
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135 * @param Smarty $smarty Smarty instance this source object belongs to |
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136 * @param string $resource full template_resource |
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137 * @param string $type type of resource |
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138 * @param string $name resource name |
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139 * |
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140 * @internal param string $unique_resource unique resource name |
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141 */ |
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142 public function __construct(Smarty_Resource $handler, Smarty $smarty, $resource, $type, $name) { |
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143 $this->handler = $handler; // Note: prone to circular references |
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144 |
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145 $this->recompiled = $handler->recompiled; |
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146 $this->uncompiled = $handler->uncompiled; |
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147 $this->compiler_class = $handler->compiler_class; |
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148 $this->template_lexer_class = $handler->template_lexer_class; |
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149 $this->template_parser_class = $handler->template_parser_class; |
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150 |
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151 $this->smarty = $smarty; |
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152 $this->resource = $resource; |
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153 $this->type = $type; |
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154 $this->name = $name; |
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155 } |
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156 |
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157 /** |
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158 * initialize Source Object for given resource |
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159 * Either [$_template] or [$smarty, $template_resource] must be specified |
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160 * |
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161 * @param Smarty_Internal_Template $_template template object |
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162 * @param Smarty $smarty smarty object |
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163 * @param string $template_resource resource identifier |
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164 * |
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165 * @return Smarty_Template_Source Source Object |
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166 * @throws SmartyException |
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167 */ |
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168 public static function load(Smarty_Internal_Template $_template = null, Smarty $smarty = null, $template_resource = null) { |
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169 if ($_template) { |
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170 $smarty = $_template->smarty; |
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171 $template_resource = $_template->template_resource; |
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172 } |
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173 if (empty($template_resource)) { |
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174 throw new SmartyException('Missing template name'); |
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175 } |
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176 // parse resource_name, load resource handler, identify unique resource name |
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177 list($name, $type) = Smarty_Resource::parseResourceName($template_resource, $smarty->default_resource_type); |
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178 $resource = Smarty_Resource::load($smarty, $type); |
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179 // if resource is not recompiling and resource name is not dotted we can check the source cache |
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180 if ($smarty->resource_caching && !$resource->recompiled && !(isset($name[1]) && $name[0] == '.' && ($name[1] == '.' || $name[1] == '/'))) { |
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181 $unique_resource = $resource->buildUniqueResourceName($smarty, $name); |
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182 if (isset($smarty->source_objects[$unique_resource])) { |
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183 return $smarty->source_objects[$unique_resource]; |
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184 } |
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185 } else { |
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186 $unique_resource = null; |
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187 } |
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188 // create new source object |
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189 $source = new Smarty_Template_Source($resource, $smarty, $template_resource, $type, $name); |
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190 $resource->populate($source, $_template); |
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191 if ((!isset($source->exists) || !$source->exists) && isset($_template->smarty->default_template_handler_func)) { |
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192 Smarty_Internal_Extension_DefaultTemplateHandler::_getDefault($_template, $source, $resObj); |
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193 } |
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194 // on recompiling resources we are done |
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195 if ($smarty->resource_caching && !$resource->recompiled) { |
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196 // may by we have already $unique_resource |
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197 $is_relative = false; |
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198 if (!isset($unique_resource)) { |
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199 $is_relative = isset($name[1]) && $name[0] == '.' && ($name[1] == '.' || $name[1] == '/') && |
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200 ($type == 'file' || (isset($_template->parent->source) && $_template->parent->source->type == 'extends')); |
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201 $unique_resource = $resource->buildUniqueResourceName($smarty, $is_relative ? $source->filepath . $name : $name); |
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202 } |
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203 $source->unique_resource = $unique_resource; |
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204 // save in runtime cache if not relative |
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205 if (!$is_relative) { |
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206 $smarty->source_objects[$unique_resource] = $source; |
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207 } |
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208 } |
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209 return $source; |
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210 } |
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211 |
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212 /** |
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213 * render the uncompiled source |
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214 * |
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215 * @param Smarty_Internal_Template $_template template object |
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216 */ |
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217 public function renderUncompiled(Smarty_Internal_Template $_template) { |
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218 $level = ob_get_level(); |
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219 ob_start(); |
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220 try { |
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221 $this->handler->renderUncompiled($_template->source, $_template); |
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222 return ob_get_clean(); |
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223 } catch (Exception $e) { |
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224 while (ob_get_level() > $level) { |
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225 ob_end_clean(); |
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226 } |
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227 throw $e; |
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228 } |
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229 } |
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230 |
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231 /** |
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232 * <<magic>> Generic Setter. |
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233 * |
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234 * @param string $property_name valid: timestamp, exists, content, template |
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235 * @param mixed $value new value (is not checked) |
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236 * |
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237 * @throws SmartyException if $property_name is not valid |
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238 */ |
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239 public function __set($property_name, $value) { |
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240 switch ($property_name) { |
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241 // regular attributes |
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242 case 'timestamp': |
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243 case 'exists': |
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244 case 'content': |
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245 // required for extends: only |
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246 case 'template': |
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247 $this->$property_name = $value; |
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248 break; |
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249 |
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250 default: |
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251 throw new SmartyException("source property '$property_name' does not exist."); |
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252 } |
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253 } |
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254 |
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255 /** |
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256 * <<magic>> Generic getter. |
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257 * |
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258 * @param string $property_name valid: timestamp, exists, content |
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259 * |
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260 * @return mixed |
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261 * @throws SmartyException if $property_name is not valid |
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262 */ |
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263 public function __get($property_name) { |
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264 switch ($property_name) { |
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265 case 'timestamp': |
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266 case 'exists': |
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267 $this->handler->populateTimestamp($this); |
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268 |
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269 return $this->$property_name; |
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270 |
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271 case 'content': |
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272 return $this->content = $this->handler->getContent($this); |
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273 |
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274 default: |
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275 throw new SmartyException("source property '$property_name' does not exist."); |
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276 } |
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277 } |
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278 } |
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