Total Complexity | 112 |
Total Lines | 590 |
Duplicated Lines | 0 % |
Changes | 10 | ||
Bugs | 1 | Features | 2 |
Complex classes like Preloader often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Preloader, and based on these observations, apply Extract Interface, too.
1 | <?php |
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13 | class Preloader { |
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14 | private $vendorDir; |
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15 | private static $libraries = [ |
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16 | 'application' => './../app/', |
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17 | 'ubiquity' => 'phpmv/ubiquity/src/Ubiquity/', |
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18 | 'ubiquity-dev' => 'phpmv/ubiquity-dev/src/Ubiquity/', |
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19 | 'ubiquity-webtools' => 'phpmv/ubiquity-webtools/src/Ubiquity/', |
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20 | 'ubiquity-mailer' => 'phpmv/ubiquity-mailer/src/Ubiquity/', |
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21 | 'ubiquity-swoole' => 'phpmv/ubiquity-swoole/src/Ubiquity/', |
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22 | 'ubiquity-workerman' => 'phpmv/ubiquity-workerman/src/Ubiquity/', |
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23 | 'ubiquity-tarantool' => 'phpmv/ubiquity-tarantool/src/Ubiquity/', |
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24 | 'ubiquity-mysqli' => 'phpmv/ubiquity-mysqli/src/Ubiquity/', |
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25 | 'phpmv-ui' => 'phpmv/php-mv-ui/Ajax/' ]; |
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26 | private $excludeds = [ ]; |
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27 | private static $count = 0; |
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28 | private $classes = [ ]; |
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29 | private $loader; |
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30 | |||
31 | /** |
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32 | * Creates a new loader instance for this application. |
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33 | * |
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34 | * @param string $appRoot The app root |
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35 | */ |
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36 | public function __construct($appRoot) { |
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37 | $this->vendorDir = $appRoot . './../vendor/'; |
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38 | $this->loader = require $this->vendorDir . 'autoload.php'; |
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39 | } |
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40 | |||
41 | /** |
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42 | * Adds paths to be scanned during preloading. |
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43 | * |
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44 | * @param string ...$paths |
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45 | * @return Preloader |
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46 | */ |
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47 | public function paths(string ...$paths): Preloader { |
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48 | foreach ( $paths as $path ) { |
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49 | $this->addDir ( $path ); |
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50 | } |
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51 | return $this; |
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52 | } |
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53 | |||
54 | /** |
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55 | * Adds namespaces to exclude from preloading. |
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56 | * |
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57 | * @param string ...$names |
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58 | * @return Preloader |
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59 | */ |
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60 | public function exclude(string ...$names): Preloader { |
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61 | $this->excludeds = \array_merge ( $this->excludeds, $names ); |
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62 | return $this; |
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63 | } |
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64 | |||
65 | /** |
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66 | * Adds a class to preload. |
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67 | * |
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68 | * @param string $class |
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69 | * @return bool |
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70 | */ |
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71 | public function addClass(string $class): bool { |
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72 | if (! $this->isExcluded ( $class )) { |
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73 | if (! isset ( $this->classes [$class] )) { |
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74 | $path = $this->getPathFromClass ( $class ); |
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75 | if (isset ( $path )) { |
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76 | $this->classes [$class] = $path; |
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77 | return true; |
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78 | } |
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79 | } |
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80 | } |
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81 | return false; |
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82 | } |
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83 | |||
84 | /** |
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85 | * Adds an array of classes to preload. |
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86 | * |
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87 | * @param array $classes |
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88 | */ |
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89 | public function addClasses(array $classes) { |
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90 | foreach ( $classes as $class ) { |
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91 | $this->addClass ( $class ); |
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92 | } |
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93 | } |
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94 | |||
95 | /** |
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96 | * Preload all added classes. |
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97 | */ |
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98 | public function load() { |
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99 | foreach ( $this->classes as $class => $file ) { |
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100 | if (! $this->isExcluded ( $class )) { |
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101 | $this->loadClass ( $class, $file ); |
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102 | } |
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103 | } |
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104 | } |
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105 | |||
106 | /** |
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107 | * Returns a generated associative array of classes to preload (key: class, value: file). |
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108 | * |
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109 | * @return array |
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110 | */ |
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111 | public function generateClassesFiles(): array { |
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112 | $ret = [ ]; |
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113 | foreach ( $this->classes as $class => $file ) { |
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114 | if (! $this->isExcluded ( $class )) { |
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115 | $ret [$class] = \realpath ( $file ); |
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116 | } |
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117 | } |
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118 | return $ret; |
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119 | } |
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120 | |||
121 | /** |
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122 | * Generate a file containing the associative array of classes to preload (classes-files=>[key: class, value: file}). |
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123 | * |
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124 | * @param string $filename |
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125 | * @param ?bool $preserve |
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126 | * @return int |
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127 | */ |
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128 | public function generateToFile(string $filename, ?bool $preserve = true): int { |
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129 | $array = [ ]; |
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130 | if ($preserve && \file_exists ( $filename )) { |
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131 | $array = include $filename; |
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132 | } |
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133 | $array ['classes-files'] = $this->generateClassesFiles (); |
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134 | $content = "<?php\nreturn " . $this->asPhpArray ( $array, 'array', 1, true ) . ";"; |
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135 | return \file_put_contents ( $filename, $content ); |
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136 | } |
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137 | |||
138 | /** |
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139 | * Adds a directory to be scanned during preloading. |
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140 | * |
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141 | * @param string $dirname |
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142 | * @return \Ubiquity\cache\Preloader |
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143 | */ |
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144 | public function addDir(string $dirname): Preloader { |
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145 | $files = $this->glob_recursive ( $dirname . DIRECTORY_SEPARATOR . '*.php' ); |
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146 | foreach ( $files as $file ) { |
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147 | $class = $this->getClassFullNameFromFile ( $file ); |
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148 | if (isset ( $class )) { |
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149 | $this->addClassFile ( $class, $file ); |
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150 | } |
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151 | } |
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152 | return $this; |
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153 | } |
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154 | |||
155 | /** |
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156 | * Adds a part of an existing library to be preloaded. |
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157 | * The available libraries can be obtained with the getLibraries method. |
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158 | * |
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159 | * @param string $library |
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160 | * @param ?string $part |
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161 | * @return bool |
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162 | */ |
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163 | public function addLibraryPart(string $library, ?string $part = ''): bool { |
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164 | if (isset ( self::$libraries [$library] )) { |
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165 | $dir = $this->vendorDir . self::$libraries [$library] . $part; |
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166 | if (\file_exists ( $dir )) { |
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167 | $this->addDir ( $dir ); |
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168 | return true; |
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169 | } |
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170 | } |
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171 | return false; |
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172 | } |
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173 | |||
174 | /** |
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175 | * Adds Ubiquity framework controller and routing classes preload. |
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176 | * |
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177 | * @return \Ubiquity\cache\Preloader |
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178 | */ |
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179 | public function addUbiquityControllers() { |
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180 | $this->addLibraryPart ( 'ubiquity', 'controllers' ); |
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181 | $this->addClass ( 'Ubiquity\\events\\EventManager' ); |
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182 | $this->addClass ( 'Ubiquity\\log\\Logger' ); |
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183 | $this->exclude ( 'Ubiquity\\controllers\\crud', 'Ubiquity\\controllers\\rest', 'Ubiquity\\controllers\\seo', 'Ubiquity\\controllers\\auth' ); |
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184 | return $this; |
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185 | } |
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186 | |||
187 | /** |
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188 | * Adds Ubiquity framework cache system classes to preload. |
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189 | * |
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190 | * @return \Ubiquity\cache\Preloader |
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191 | */ |
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192 | public function addUbiquityCache() { |
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193 | $this->addClass ( 'Ubiquity\\cache\\CacheManager' ); |
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194 | $this->addClass ( 'Ubiquity\\cache\\system\\ArrayCache' ); |
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195 | return $this; |
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196 | } |
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197 | |||
198 | /** |
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199 | * Adds Ubiquity framework PDO classes to preload. |
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200 | * |
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201 | * @return \Ubiquity\cache\Preloader |
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202 | */ |
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203 | public function addUbiquityPdo() { |
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204 | $this->addClass ( 'Ubiquity\\db\\Database' ); |
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205 | $this->addClass ( 'Ubiquity\\cache\\database\\DbCache' ); |
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206 | $this->addClass ( 'Ubiquity\\db\\SqlUtils' ); |
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207 | $this->addLibraryPart ( 'ubiquity', 'db/providers' ); |
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208 | return $this; |
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209 | } |
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210 | |||
211 | /** |
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212 | * Adds Ubiquity framework ORM classes to preload. |
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213 | * |
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214 | * @return \Ubiquity\cache\Preloader |
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215 | */ |
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216 | public function addUbiquityORM() { |
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217 | $this->addLibraryPart ( 'ubiquity', 'orm' ); |
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218 | $this->addClass ( 'Ubiquity\\events\\DAOEvents' ); |
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219 | return $this; |
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220 | } |
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221 | |||
222 | /** |
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223 | * Adds Ubiquity framework Http classes to preload. |
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224 | * |
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225 | * @return \Ubiquity\cache\Preloader |
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226 | */ |
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227 | public function addUbiquityHttpUtils() { |
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228 | $this->addClass ( 'Ubiquity\\utils\\http\\URequest' ); |
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229 | $this->addClass ( 'Ubiquity\\utils\\http\\UResponse' ); |
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230 | $this->addClass ( 'Ubiquity\\utils\\http\\foundation\\PhpHttp' ); |
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231 | return $this; |
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232 | } |
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233 | |||
234 | /** |
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235 | * Adds Ubiquity framework MicroTemplateEngine classes to preload. |
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236 | * |
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237 | * @return \Ubiquity\cache\Preloader |
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238 | */ |
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239 | public function addUbiquityViews() { |
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240 | $this->addClass ( 'Ubiquity\\views\\View' ); |
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241 | $this->addClass ( 'Ubiquity\\views\\engine\\micro\\MicroTemplateEngine' ); |
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242 | return $this; |
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243 | } |
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244 | |||
245 | /** |
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246 | * Adds Ubiquity framework Translations classes to preload. |
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247 | * |
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248 | * @return \Ubiquity\cache\Preloader |
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249 | */ |
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250 | public function addUbiquityTranslations() { |
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251 | $this->addLibraryPart ( 'ubiquity', 'translation' ); |
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252 | return $this; |
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253 | } |
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254 | |||
255 | /** |
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256 | * Adds Ubiquity-workerman classes to preload. |
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257 | * |
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258 | * @return \Ubiquity\cache\Preloader |
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259 | */ |
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260 | public function addUbiquityWorkerman() { |
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261 | $this->addLibraryPart ( 'ubiquity-workerman' ); |
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262 | return $this; |
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263 | } |
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264 | |||
265 | /** |
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266 | * Adds classes from an application part (app folder) to preload. |
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267 | * |
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268 | * @param string $part |
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269 | * @return boolean |
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270 | */ |
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271 | public function addApplicationPart(?string $part = '') { |
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272 | return $this->addLibraryPart ( 'application', $part ); |
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273 | } |
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274 | |||
275 | /** |
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276 | * |
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277 | * @param string $dir |
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278 | * @return boolean |
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279 | */ |
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280 | public function addApplicationModels($dir = 'models') { |
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281 | return $this->addLibraryPart ( 'application', $dir ); |
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282 | } |
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283 | |||
284 | /** |
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285 | * |
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286 | * @param string $dir |
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287 | * @return boolean |
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288 | */ |
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289 | public function addApplicationCache($dir = 'cache') { |
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290 | return $this->addLibraryPart ( 'application', $dir ); |
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291 | } |
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292 | |||
293 | /** |
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294 | * |
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295 | * @param string $dir |
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296 | * @return boolean |
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297 | */ |
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298 | public function addApplicationControllers($dir = 'controllers') { |
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299 | $this->addLibraryPart ( 'application', $dir ); |
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300 | $this->exclude ( $dir . '\\MaintenanceController', $dir . '\\Admin' ); |
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301 | return $this; |
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302 | } |
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303 | |||
304 | /** |
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305 | * Add Ubiquity hot classes for preloading |
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306 | * |
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307 | * @param boolean $hasDatabase |
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308 | */ |
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309 | public function addUbiquityBasics($hasDatabase = true) { |
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310 | $this->addUbiquityCache (); |
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311 | $this->addUbiquityControllers (); |
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312 | $this->addUbiquityHttpUtils (); |
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313 | if ($hasDatabase) { |
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314 | $this->addUbiquityPdo (); |
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315 | $this->addUbiquityORM (); |
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316 | } |
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317 | } |
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318 | |||
319 | /** |
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320 | * Adds Twig templating system classes to preload. |
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321 | * |
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322 | * @return \Ubiquity\cache\Preloader |
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323 | */ |
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324 | public function addUbiquityTwig() { |
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325 | $this->addClasses ( [ 'Ubiquity\\views\\engine\\Twig','Twig\\Cache\\FilesystemCache','Twig\\Extension\\CoreExtension','Twig\\Extension\\EscaperExtension','Twig\\Extension\\OptimizerExtension','Twig\\Extension\\StagingExtension','Twig\\ExtensionSet','Twig\\Template','Twig\\TemplateWrapper' ] ); |
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326 | return $this; |
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327 | } |
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328 | |||
329 | /** |
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330 | * Defines classes to be preloaded in a file returning an associative array keys : (classes-files, excludeds, paths, classes, libraries-parts, callback). |
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331 | * |
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332 | * @param string $appRoot |
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333 | * @param string $filename |
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334 | * @return bool |
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335 | */ |
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336 | public static function fromFile(string $appRoot, string $filename): bool { |
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337 | if (\file_exists ( $filename )) { |
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338 | $array = include $filename; |
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339 | return self::fromArray ( $appRoot, $array ); |
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340 | } |
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341 | return false; |
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342 | } |
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343 | |||
344 | /** |
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345 | * Defines classes to be preloaded with an associative array keys : (classes-files, excludeds, paths, classes, libraries-parts, callback). |
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346 | * |
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347 | * @param string $appRoot |
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348 | * @param array $array |
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349 | * @return bool |
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350 | */ |
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351 | public static function fromArray(string $appRoot, array $array): bool { |
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352 | $pre = new self ( $appRoot ); |
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353 | self::$count = 0; |
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354 | if (isset ( $array ['classes-files'] )) { |
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355 | $pre->classes = $array ['classes-files']; |
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356 | } |
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357 | if (isset ( $array ['excludeds'] )) { |
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358 | $pre->excludeds = $array ['excludeds']; |
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359 | } |
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360 | if (isset ( $array ['paths'] )) { |
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361 | foreach ( $array ['paths'] as $path ) { |
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362 | $pre->addDir ( $path ); |
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363 | } |
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364 | } |
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365 | if (isset ( $array ['classes'] )) { |
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366 | foreach ( $array ['classes'] as $class ) { |
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367 | $pre->addClass ( $class ); |
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368 | } |
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369 | } |
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370 | if (isset ( $array ['libraries-parts'] )) { |
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371 | foreach ( $array ['libraries-parts'] as $library => $parts ) { |
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372 | foreach ( $parts as $part ) { |
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373 | $pre->addLibraryPart ( $library, $part ); |
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374 | } |
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375 | } |
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376 | } |
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377 | if (isset ( $array ['callback'] )) { |
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378 | if (\is_callable ( $array ['callback'] )) { |
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379 | $call = $array ['callback']; |
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380 | $call ( $pre ); |
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381 | } |
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382 | } |
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383 | $pre->load (); |
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384 | return self::$count > 0; |
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385 | } |
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386 | |||
387 | /** |
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388 | * Generates a preload classes-files array from cached files |
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389 | * |
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390 | * @param boolean $resetExisting |
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391 | */ |
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392 | public function generateClassesFromRunning($resetExisting = true) { |
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393 | $cache = \opcache_get_status ( true ); |
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394 | if ($resetExisting) { |
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395 | $this->classes = [ ]; |
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396 | } |
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397 | foreach ( $cache ['scripts'] as $script ) { |
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398 | $path = $script ['full_path']; |
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399 | $class = $this->getClassFullNameFromFile ( $path ); |
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400 | if (isset ( $class )) { |
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401 | $this->addClassFile ( $class, $path ); |
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402 | } |
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403 | } |
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404 | } |
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405 | |||
406 | /** |
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407 | * Returns an array of available libraries to be preloaded |
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408 | * |
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409 | * @return array |
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410 | */ |
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411 | public static function getLibraries() { |
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412 | return \array_keys ( self::$libraries ); |
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413 | } |
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414 | |||
415 | private function addClassFile($class, $file) { |
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416 | if (! isset ( $this->classes [$class] )) { |
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417 | $this->classes [$class] = $file; |
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418 | } |
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419 | } |
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420 | |||
421 | private function loadClass($class, $file = null) { |
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430 | } |
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431 | } |
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432 | |||
433 | private function getPathFromClass(string $class): ?string { |
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434 | $classPath = $this->loader->findFile ( $class ); |
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439 | } |
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440 | |||
441 | private function loadFile(string $file): void { |
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442 | require_once ($file); |
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443 | self::$count ++; |
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444 | } |
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445 | |||
446 | private function isExcluded(string $name): bool { |
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447 | foreach ( $this->excludeds as $excluded ) { |
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448 | if (\strpos ( $name, $excluded ) === 0) { |
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449 | return true; |
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450 | } |
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451 | } |
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452 | return false; |
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453 | } |
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454 | |||
455 | private function glob_recursive($pattern, $flags = 0) { |
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456 | $files = \glob ( $pattern, $flags ); |
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457 | foreach ( \glob ( \dirname ( $pattern ) . '/*', GLOB_ONLYDIR | GLOB_NOSORT ) as $dir ) { |
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458 | $files = \array_merge ( $files, $this->glob_recursive ( $dir . '/' . \basename ( $pattern ), $flags ) ); |
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1 ignored issue
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459 | } |
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460 | return $files; |
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461 | } |
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462 | |||
463 | private function getClassFullNameFromFile($filePathName, $backSlash = false) { |
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464 | $phpCode = \file_get_contents ( $filePathName ); |
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465 | $class = $this->getClassNameFromPhpCode ( $phpCode ); |
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466 | if (isset ( $class )) { |
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467 | $ns = $this->getClassNamespaceFromPhpCode ( $phpCode ); |
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468 | if ($backSlash && $ns != null) { |
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1 ignored issue
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469 | $ns = "\\" . $ns; |
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470 | } |
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471 | return $ns . '\\' . $class; |
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472 | } |
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473 | return null; |
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474 | } |
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475 | |||
476 | private function getClassNamespaceFromPhpCode($phpCode) { |
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477 | $tokens = \token_get_all ( $phpCode ); |
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478 | $count = \count ( $tokens ); |
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479 | $i = 0; |
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480 | $namespace = ''; |
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481 | $namespace_ok = false; |
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482 | while ( $i < $count ) { |
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483 | $token = $tokens [$i]; |
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484 | if (\is_array ( $token ) && $token [0] === T_NAMESPACE) { |
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485 | // Found namespace declaration |
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486 | while ( ++ $i < $count ) { |
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487 | if ($tokens [$i] === ';') { |
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488 | $namespace_ok = true; |
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489 | $namespace = \trim ( $namespace ); |
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490 | break; |
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491 | } |
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492 | $namespace .= \is_array ( $tokens [$i] ) ? $tokens [$i] [1] : $tokens [$i]; |
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493 | } |
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494 | break; |
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495 | } |
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496 | $i ++; |
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497 | } |
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498 | if (! $namespace_ok) { |
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499 | return null; |
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500 | } |
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501 | return $namespace; |
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502 | } |
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503 | |||
504 | private function getClassNameFromPhpCode($phpCode) { |
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505 | $classes = array (); |
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506 | $tokens = \token_get_all ( $phpCode ); |
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507 | $count = count ( $tokens ); |
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508 | for($i = 2; $i < $count; $i ++) { |
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509 | $elm = $tokens [$i - 2] [0]; |
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510 | if ($elm == T_CLASS && $tokens [$i - 1] [0] == T_WHITESPACE && $tokens [$i] [0] == T_STRING) { |
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511 | $class_name = $tokens [$i] [1]; |
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512 | $classes [] = $class_name; |
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513 | } |
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514 | } |
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515 | if (isset ( $classes [0] )) |
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516 | return $classes [0]; |
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517 | return null; |
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518 | } |
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519 | |||
520 | private function asPhpArray($array, $prefix = "", $depth = 1, $format = false) { |
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521 | $exts = array (); |
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522 | $extsStr = ""; |
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523 | $tab = ""; |
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524 | $nl = ""; |
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525 | if ($format) { |
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526 | $tab = \str_repeat ( "\t", $depth ); |
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527 | $nl = PHP_EOL; |
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528 | } |
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529 | foreach ( $array as $k => $v ) { |
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530 | if (\is_string ( $k )) { |
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531 | $exts [] = "\"" . $this->doubleBackSlashes ( $k ) . "\"=>" . $this->parseValue ( $v, 'array', $depth + 1, $format ); |
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532 | } else { |
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533 | $exts [] = $this->parseValue ( $v, $prefix, $depth + 1, $format ); |
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534 | } |
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535 | } |
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536 | if (\sizeof ( $exts ) > 0 || $prefix !== "") { |
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537 | $extsStr = "(" . \implode ( "," . $nl . $tab, $exts ) . ")"; |
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538 | if (\sizeof ( $exts ) > 0) { |
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539 | $extsStr = "(" . $nl . $tab . \implode ( "," . $nl . $tab, $exts ) . $nl . $tab . ")"; |
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540 | } |
||
541 | } |
||
542 | return $prefix . $extsStr; |
||
543 | } |
||
544 | |||
545 | private function parseValue($v, $prefix = "", $depth = 1, $format = false) { |
||
546 | if (\is_array ( $v )) { |
||
547 | $result = $this->asPhpArray ( $v, $prefix, $depth + 1, $format ); |
||
548 | } elseif ($v instanceof \Closure) { |
||
549 | $result = $this->closure_dump ( $v ); |
||
550 | } else { |
||
551 | $result = $this->doubleBackSlashes ( $v ); |
||
552 | $result = "\"" . \str_replace ( [ '$','"' ], [ '\$','\"' ], $result ) . "\""; |
||
553 | } |
||
554 | return $result; |
||
555 | } |
||
556 | |||
557 | private function closure_dump(\Closure $c) { |
||
558 | $str = 'function ('; |
||
559 | $r = new \ReflectionFunction ( $c ); |
||
560 | $params = array (); |
||
561 | foreach ( $r->getParameters () as $p ) { |
||
562 | $s = ''; |
||
563 | if ($p->isArray ()) { |
||
564 | $s .= 'array '; |
||
565 | } else if ($p->getClass ()) { |
||
566 | $s .= $p->getClass ()->name . ' '; |
||
567 | } |
||
568 | if ($p->isPassedByReference ()) { |
||
569 | $s .= '&'; |
||
570 | } |
||
571 | $s .= '$' . $p->name; |
||
572 | if ($p->isOptional ()) { |
||
573 | $s .= ' = ' . \var_export ( $p->getDefaultValue (), TRUE ); |
||
574 | } |
||
575 | $params [] = $s; |
||
576 | } |
||
577 | $str .= \implode ( ', ', $params ); |
||
578 | $str .= ')'; |
||
579 | $lines = file ( $r->getFileName () ); |
||
580 | $sLine = $r->getStartLine (); |
||
581 | $eLine = $r->getEndLine (); |
||
582 | if ($eLine === $sLine) { |
||
583 | $match = \strstr ( $lines [$sLine - 1], "function" ); |
||
584 | $str .= \strstr ( \strstr ( $match, "{" ), "}", true ) . "}"; |
||
585 | } else { |
||
586 | $str .= \strrchr ( $lines [$sLine - 1], "{" ); |
||
587 | for($l = $sLine; $l < $eLine - 1; $l ++) { |
||
588 | $str .= $lines [$l]; |
||
589 | } |
||
590 | $str .= \strstr ( $lines [$eLine - 1], "}", true ) . "}"; |
||
591 | } |
||
592 | $vars = $r->getStaticVariables (); |
||
593 | foreach ( $vars as $k => $v ) { |
||
594 | $str = \str_replace ( '$' . $k, \var_export ( $v, true ), $str ); |
||
595 | } |
||
596 | return $str; |
||
597 | } |
||
598 | |||
599 | private function doubleBackSlashes($value) { |
||
603 | } |
||
604 | } |
||
605 | |||
606 |