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Редакция | Автор | № строки | Строка |
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304 | alex-w | 1 | <?php |
2 | /** |
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3 | * Smarty Internal Plugin Config |
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4 | * |
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5 | * Main class for config variables |
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6 | * |
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7 | * @ignore |
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8 | * @package Smarty |
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9 | * @subpackage Config |
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10 | * @author Uwe Tews |
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11 | */ |
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12 | class Smarty_Internal_Config { |
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13 | static $config_objects = array(); |
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14 | |||
15 | public function __construct($config_resource, $smarty) |
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16 | { |
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17 | $this->smarty = $smarty; |
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18 | $this->config_resource = $config_resource; |
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19 | $this->config_resource_type = null; |
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20 | $this->config_resource_name = null; |
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21 | $this->config_filepath = null; |
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22 | $this->config_timestamp = null; |
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23 | $this->config_source = null; |
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24 | $this->compiled_config = null; |
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25 | $this->compiled_filepath = null; |
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26 | $this->compiled_timestamp = null; |
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27 | $this->mustCompile = null; |
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28 | $this->compiler_object = null; |
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29 | // parse config resource name |
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30 | if (!$this->parseConfigResourceName ($config_resource)) { |
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31 | throw new Exception ("Unable to parse config resource '{$config_resource}'"); |
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32 | } |
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33 | } |
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34 | |||
35 | public function getConfigFilepath () |
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36 | { |
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37 | return $this->config_filepath === null ? |
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38 | $this->config_filepath = $this->buildConfigFilepath() : |
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39 | $this->config_filepath; |
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40 | } |
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41 | |||
42 | public function getTimestamp () |
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43 | { |
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44 | return $this->config_timestamp === null ? |
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45 | $this->config_timestamp = filemtime($this->getConfigFilepath()) : |
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46 | $this->config_timestamp; |
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47 | } |
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48 | |||
49 | private function parseConfigResourceName($config_resource) |
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50 | { |
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51 | if (empty($config_resource)) |
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52 | return false; |
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53 | if (strpos($config_resource, ':') === false) { |
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54 | // no resource given, use default |
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55 | $this->config_resource_type = $this->smarty->default_config_type; |
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56 | $this->config_resource_name = $config_resource; |
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57 | } else { |
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58 | // get type and name from path |
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59 | list($this->config_resource_type, $this->config_resource_name) = explode(':', $config_resource, 2); |
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60 | if (strlen($this->config_resource_type) == 1) { |
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61 | // 1 char is not resource type, but part of filepath |
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62 | $this->config_resource_type = $this->smarty->default_config_type; |
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63 | $this->config_resource_name = $config_resource; |
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64 | } else { |
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65 | $this->config_resource_type = strtolower($this->config_resource_type); |
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66 | } |
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67 | } |
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68 | return true; |
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69 | } |
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70 | |||
71 | /* |
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72 | * get system filepath to config |
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73 | */ |
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74 | public function buildConfigFilepath () |
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75 | { |
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76 | foreach((array)$this->smarty->config_dir as $_config_dir) { |
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77 | if (strpos('/\\', substr($_config_dir, -1)) === false) { |
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78 | $_config_dir .= DS; |
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79 | } |
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80 | |||
81 | $_filepath = $_config_dir . $this->config_resource_name; |
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82 | if (file_exists($_filepath)) |
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83 | return $_filepath; |
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84 | } |
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85 | // no tpl file found |
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86 | throw new Exception("Unable to load config file \"{$this->config_resource_name}\""); |
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87 | return false; |
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88 | } |
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89 | /** |
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90 | * Read config file source |
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91 | * |
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92 | * @return string content of source file |
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93 | */ |
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94 | /** |
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95 | * Returns the template source code |
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96 | * |
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97 | * The template source is being read by the actual resource handler |
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98 | * |
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99 | * @return string the template source |
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100 | */ |
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101 | public function getConfigSource () |
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102 | { |
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103 | if ($this->config_source === null) { |
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104 | if ($this->readConfigSource($this) === false) { |
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105 | throw new Exception("Unable to load config file \"{$this->config_resource_name}\""); |
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106 | } |
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107 | } |
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108 | return $this->config_source; |
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109 | } |
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110 | public function readConfigSource() |
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111 | { |
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112 | // read source file |
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113 | if (file_exists($this->getConfigFilepath())) { |
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114 | $this->config_source = file_get_contents($this->getConfigFilepath()); |
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115 | return true; |
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116 | } else { |
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117 | return false; |
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118 | } |
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119 | } |
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120 | |||
121 | /** |
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122 | * Returns the compiled filepath |
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123 | * |
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124 | * @return string the compiled filepath |
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125 | */ |
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126 | public function getCompiledFilepath () |
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127 | { |
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128 | return $this->compiled_filepath === null ? |
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129 | ($this->compiled_filepath = $this->buildCompiledFilepath()) : |
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130 | $this->compiled_filepath; |
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131 | } |
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132 | public function buildCompiledFilepath() |
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133 | { |
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134 | $_filepath = (string)abs(crc32($this->config_resource_name)); |
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135 | // if use_sub_dirs, break file into directories |
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136 | if ($this->smarty->use_sub_dirs) { |
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137 | $_filepath = substr($_filepath, 0, 3) . DS |
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138 | . substr($_filepath, 0, 2) . DS |
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139 | . substr($_filepath, 0, 1) . DS |
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140 | . $_filepath; |
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141 | } |
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142 | $_compile_dir = $this->smarty->compile_dir; |
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143 | if (substr($_compile_dir, -1) != DS) { |
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144 | $_compile_dir .= DS; |
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145 | } |
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146 | return $_compile_dir . $_filepath . '.' . basename($this->config_resource_name) . '.config' . $this->smarty->php_ext; |
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147 | } |
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148 | /** |
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149 | * Returns the timpestamp of the compiled file |
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150 | * |
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151 | * @return integer the file timestamp |
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152 | */ |
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153 | public function getCompiledTimestamp () |
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154 | { |
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155 | return $this->compiled_timestamp === null ? |
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156 | ($this->compiled_timestamp = (file_exists($this->getCompiledFilepath())) ? filemtime($this->getCompiledFilepath()) : false) : |
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157 | $this->compiled_timestamp; |
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158 | } |
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159 | /** |
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160 | * Returns if the current config file must be compiled |
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161 | * |
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162 | * It does compare the timestamps of config source and the compiled config and checks the force compile configuration |
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163 | * |
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164 | * @return boolean true if the file must be compiled |
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165 | */ |
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166 | public function mustCompile () |
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167 | { |
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168 | return $this->mustCompile === null ? |
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169 | $this->mustCompile = ($this->smarty->force_compile || $this->getCompiledTimestamp () !== $this->getTimestamp ()): |
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170 | $this->mustCompile; |
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171 | } |
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172 | /** |
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173 | * Returns the compiled config file |
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174 | * |
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175 | * It checks if the config file must be compiled or just read the compiled version |
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176 | * |
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177 | * @return string the compiled config file |
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178 | */ |
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179 | public function getCompiledConfig () |
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180 | { |
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181 | if ($this->compiled_config === null) { |
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182 | // see if template needs compiling. |
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183 | if ($this->mustCompile()) { |
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184 | $this->compileConfigSource(); |
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185 | } else { |
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186 | $this->compiled_config = file_get_contents($this->getCompiledFilepath()); |
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187 | } |
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188 | } |
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189 | return $this->compiled_config; |
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190 | } |
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191 | |||
192 | /** |
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193 | * Compiles the config files |
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194 | */ |
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195 | public function compileConfigSource () |
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196 | { |
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197 | // compile template |
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198 | if (!is_object($this->compiler_object)) { |
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199 | // load compiler |
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200 | $this->smarty->loadPlugin('Smarty_Internal_Config_File_Compiler'); |
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201 | $this->compiler_object = new Smarty_Internal_Config_File_Compiler($this->smarty); |
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202 | } |
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203 | if (!is_object($this->smarty->write_file_object)) { |
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204 | $this->smarty->loadPlugin("Smarty_Internal_Write_File"); |
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205 | $this->smarty->write_file_object = new Smarty_Internal_Write_File; |
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206 | } |
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207 | // call compiler |
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208 | if ($this->compiler_object->compileSource($this)) { |
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209 | // compiling succeded |
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210 | // write compiled template |
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211 | $this->smarty->write_file_object->writeFile($this->getCompiledFilepath(), $this->getCompiledConfig()); |
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212 | // make template and compiled file timestamp match |
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213 | touch($this->getCompiledFilepath(), $this->getTimestamp()); |
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214 | } else { |
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215 | // error compiling template |
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216 | throw new Exception("Error compiling template {$this->getConfigFilepath ()}"); |
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217 | return false; |
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218 | } |
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219 | } |
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220 | |||
221 | /* |
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222 | * load config variables |
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223 | * |
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224 | * @param mixed $sections array of section names, single section or null |
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225 | * @param object $scope global,parent or local |
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226 | */ |
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227 | public function loadConfigVars ($sections = null, $scope) |
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228 | { |
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229 | $config_data = unserialize($this->getCompiledConfig()); |
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230 | // var_dump($config_data); |
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231 | // copy global config vars |
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232 | foreach ($config_data['vars'] as $variable => $value) { |
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233 | $scope->config_vars[$variable] = $value; |
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234 | } |
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235 | // scan sections |
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236 | foreach ($config_data['sections'] as $this_section => $dummy) { |
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237 | if ($sections == null || in_array($this_section, (array)$sections)) { |
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238 | foreach ($config_data['sections'][$this_section]['vars'] as $variable => $value) { |
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239 | $scope->config_vars[$variable] = $value; |
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240 | } |
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241 | } |
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242 | } |
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243 | } |
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244 | } |
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245 | |||
246 | ?> |