@@ 7-156 (lines=150) @@ | ||
4 | /** |
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5 | * This class loads other classes based on given parameters. |
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6 | */ |
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7 | class Version_Loader { |
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8 | ||
9 | /** |
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10 | * The Version_Selector object. |
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11 | * |
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12 | * @var Version_Selector |
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13 | */ |
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14 | private $version_selector; |
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15 | ||
16 | /** |
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17 | * A map of available classes and their version and file path. |
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18 | * |
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19 | * @var array |
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20 | */ |
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21 | private $classmap; |
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22 | ||
23 | /** |
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24 | * A map of PSR-4 namespaces and their version and directory path. |
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25 | * |
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26 | * @var array |
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27 | */ |
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28 | private $psr4_map; |
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29 | ||
30 | /** |
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31 | * A map of all the files that we should load. |
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32 | * |
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33 | * @var array |
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34 | */ |
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35 | private $filemap; |
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36 | ||
37 | /** |
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38 | * The constructor. |
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39 | * |
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40 | * @param Version_Selector $version_selector The Version_Selector object. |
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41 | * @param array $classmap The verioned classmap to load using. |
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42 | * @param array $psr4_map The versioned PSR-4 map to load using. |
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43 | * @param array $filemap The versioned filemap to load. |
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44 | */ |
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45 | public function __construct( $version_selector, $classmap, $psr4_map, $filemap ) { |
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46 | $this->version_selector = $version_selector; |
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47 | $this->classmap = $classmap; |
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48 | $this->psr4_map = $psr4_map; |
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49 | $this->filemap = $filemap; |
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50 | } |
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51 | ||
52 | /** |
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53 | * Finds the file path for the given class. |
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54 | * |
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55 | * @param string $class_name The class to find. |
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56 | * |
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57 | * @return string|null $file_path The path to the file if found, null if no class was found. |
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58 | */ |
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59 | public function find_class_file( $class_name ) { |
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60 | $data = $this->select_newest_file( |
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61 | isset( $this->classmap[ $class_name ] ) ? $this->classmap[ $class_name ] : null, |
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62 | $this->find_psr4_file( $class_name ) |
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63 | ); |
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64 | if ( ! isset( $data ) ) { |
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65 | return null; |
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66 | } |
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67 | ||
68 | return $data['path']; |
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69 | } |
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70 | ||
71 | /** |
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72 | * Load all of the files in the filemap. |
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73 | */ |
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74 | public function load_filemap() { |
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75 | if ( empty( $this->filemap ) ) { |
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76 | return; |
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77 | } |
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78 | ||
79 | foreach ( $this->filemap as $file_identifier => $file_data ) { |
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80 | if ( empty( $GLOBALS['__composer_autoload_files'][ $file_identifier ] ) ) { |
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81 | require_once $file_data['path']; |
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82 | ||
83 | $GLOBALS['__composer_autoload_files'][ $file_identifier ] = true; |
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84 | } |
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85 | } |
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86 | } |
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87 | ||
88 | /** |
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89 | * Compares different class sources and returns the newest. |
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90 | * |
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91 | * @param array|null $classmap_data The classmap class data. |
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92 | * @param array|null $psr4_data The PSR-4 class data. |
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93 | * |
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94 | * @return array|null $data |
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95 | */ |
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96 | private function select_newest_file( $classmap_data, $psr4_data ) { |
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97 | if ( ! isset( $classmap_data ) ) { |
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98 | return $psr4_data; |
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99 | } elseif ( ! isset( $psr4_data ) ) { |
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100 | return $classmap_data; |
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101 | } |
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102 | ||
103 | if ( $this->version_selector->is_version_update_required( $classmap_data['version'], $psr4_data['version'] ) ) { |
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104 | return $psr4_data; |
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105 | } |
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106 | ||
107 | return $classmap_data; |
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108 | } |
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109 | ||
110 | /** |
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111 | * Finds the file for a given class in a PSR-4 namespace. |
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112 | * |
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113 | * @param string $class_name The class to find. |
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114 | * |
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115 | * @return array|null $data The version and path path to the file if found, null otherwise. |
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116 | */ |
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117 | private function find_psr4_file( $class_name ) { |
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118 | if ( ! isset( $this->psr4_map ) ) { |
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119 | return null; |
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120 | } |
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121 | ||
122 | // Don't bother with classes that have no namespace. |
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123 | $class_index = strrpos( $class_name, '\\' ); |
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124 | if ( ! $class_index ) { |
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125 | return null; |
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126 | } |
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127 | $class_for_path = str_replace( '\\', '/', $class_name ); |
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128 | ||
129 | // Search for the namespace by iteratively cutting off the last segment until |
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130 | // we find a match. This allows us to check the most-specific namespaces |
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131 | // first as well as minimize the amount of time spent looking. |
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132 | for ( |
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133 | $class_namespace = substr( $class_name, 0, $class_index ); |
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134 | ! empty( $class_namespace ); |
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135 | $class_namespace = substr( $class_namespace, 0, strrpos( $class_namespace, '\\' ) ) |
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136 | ) { |
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137 | $namespace = $class_namespace . '\\'; |
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138 | if ( ! isset( $this->psr4_map[ $namespace ] ) ) { |
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139 | continue; |
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140 | } |
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141 | $data = $this->psr4_map[ $namespace ]; |
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142 | ||
143 | foreach ( $data['path'] as $path ) { |
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144 | $path .= '/' . substr( $class_for_path, strlen( $namespace ) ) . '.php'; |
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145 | if ( file_exists( $path ) ) { |
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146 | return array( |
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147 | 'version' => $data['version'], |
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148 | 'path' => $path, |
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149 | ); |
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150 | } |
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151 | } |
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152 | } |
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153 | ||
154 | return null; |
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155 | } |
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156 | } |
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157 |
@@ 15-164 (lines=150) @@ | ||
12 | /** |
|
13 | * This class loads other classes based on given parameters. |
|
14 | */ |
|
15 | class Version_Loader { |
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16 | ||
17 | /** |
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18 | * The Version_Selector object. |
|
19 | * |
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20 | * @var Version_Selector |
|
21 | */ |
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22 | private $version_selector; |
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23 | ||
24 | /** |
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25 | * A map of available classes and their version and file path. |
|
26 | * |
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27 | * @var array |
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28 | */ |
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29 | private $classmap; |
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30 | ||
31 | /** |
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32 | * A map of PSR-4 namespaces and their version and directory path. |
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33 | * |
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34 | * @var array |
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35 | */ |
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36 | private $psr4_map; |
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37 | ||
38 | /** |
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39 | * A map of all the files that we should load. |
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40 | * |
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41 | * @var array |
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42 | */ |
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43 | private $filemap; |
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44 | ||
45 | /** |
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46 | * The constructor. |
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47 | * |
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48 | * @param Version_Selector $version_selector The Version_Selector object. |
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49 | * @param array $classmap The verioned classmap to load using. |
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50 | * @param array $psr4_map The versioned PSR-4 map to load using. |
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51 | * @param array $filemap The versioned filemap to load. |
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52 | */ |
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53 | public function __construct( $version_selector, $classmap, $psr4_map, $filemap ) { |
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54 | $this->version_selector = $version_selector; |
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55 | $this->classmap = $classmap; |
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56 | $this->psr4_map = $psr4_map; |
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57 | $this->filemap = $filemap; |
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58 | } |
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59 | ||
60 | /** |
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61 | * Finds the file path for the given class. |
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62 | * |
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63 | * @param string $class_name The class to find. |
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64 | * |
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65 | * @return string|null $file_path The path to the file if found, null if no class was found. |
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66 | */ |
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67 | public function find_class_file( $class_name ) { |
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68 | $data = $this->select_newest_file( |
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69 | isset( $this->classmap[ $class_name ] ) ? $this->classmap[ $class_name ] : null, |
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70 | $this->find_psr4_file( $class_name ) |
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71 | ); |
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72 | if ( ! isset( $data ) ) { |
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73 | return null; |
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74 | } |
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75 | ||
76 | return $data['path']; |
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77 | } |
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78 | ||
79 | /** |
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80 | * Load all of the files in the filemap. |
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81 | */ |
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82 | public function load_filemap() { |
|
83 | if ( empty( $this->filemap ) ) { |
|
84 | return; |
|
85 | } |
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86 | ||
87 | foreach ( $this->filemap as $file_identifier => $file_data ) { |
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88 | if ( empty( $GLOBALS['__composer_autoload_files'][ $file_identifier ] ) ) { |
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89 | require_once $file_data['path']; |
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90 | ||
91 | $GLOBALS['__composer_autoload_files'][ $file_identifier ] = true; |
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92 | } |
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93 | } |
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94 | } |
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95 | ||
96 | /** |
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97 | * Compares different class sources and returns the newest. |
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98 | * |
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99 | * @param array|null $classmap_data The classmap class data. |
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100 | * @param array|null $psr4_data The PSR-4 class data. |
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101 | * |
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102 | * @return array|null $data |
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103 | */ |
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104 | private function select_newest_file( $classmap_data, $psr4_data ) { |
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105 | if ( ! isset( $classmap_data ) ) { |
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106 | return $psr4_data; |
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107 | } elseif ( ! isset( $psr4_data ) ) { |
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108 | return $classmap_data; |
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109 | } |
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110 | ||
111 | if ( $this->version_selector->is_version_update_required( $classmap_data['version'], $psr4_data['version'] ) ) { |
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112 | return $psr4_data; |
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113 | } |
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114 | ||
115 | return $classmap_data; |
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116 | } |
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117 | ||
118 | /** |
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119 | * Finds the file for a given class in a PSR-4 namespace. |
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120 | * |
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121 | * @param string $class_name The class to find. |
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122 | * |
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123 | * @return array|null $data The version and path path to the file if found, null otherwise. |
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124 | */ |
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125 | private function find_psr4_file( $class_name ) { |
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126 | if ( ! isset( $this->psr4_map ) ) { |
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127 | return null; |
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128 | } |
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129 | ||
130 | // Don't bother with classes that have no namespace. |
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131 | $class_index = strrpos( $class_name, '\\' ); |
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132 | if ( ! $class_index ) { |
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133 | return null; |
|
134 | } |
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135 | $class_for_path = str_replace( '\\', '/', $class_name ); |
|
136 | ||
137 | // Search for the namespace by iteratively cutting off the last segment until |
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138 | // we find a match. This allows us to check the most-specific namespaces |
|
139 | // first as well as minimize the amount of time spent looking. |
|
140 | for ( |
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141 | $class_namespace = substr( $class_name, 0, $class_index ); |
|
142 | ! empty( $class_namespace ); |
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143 | $class_namespace = substr( $class_namespace, 0, strrpos( $class_namespace, '\\' ) ) |
|
144 | ) { |
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145 | $namespace = $class_namespace . '\\'; |
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146 | if ( ! isset( $this->psr4_map[ $namespace ] ) ) { |
|
147 | continue; |
|
148 | } |
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149 | $data = $this->psr4_map[ $namespace ]; |
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150 | ||
151 | foreach ( $data['path'] as $path ) { |
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152 | $path .= '/' . substr( $class_for_path, strlen( $namespace ) ) . '.php'; |
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153 | if ( file_exists( $path ) ) { |
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154 | return array( |
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155 | 'version' => $data['version'], |
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156 | 'path' => $path, |
|
157 | ); |
|
158 | } |
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159 | } |
|
160 | } |
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161 | ||
162 | return null; |
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163 | } |
|
164 | } |
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165 |