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<?php |
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namespace FileEye\MimeMap; |
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use FileEye\MimeMap\Map\AbstractMap; |
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/** |
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* Compiles the MIME type to file extension map. |
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*/ |
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class MapUpdater |
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{ |
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/** |
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* The AbstractMap object to update. |
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* |
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* @var AbstractMap |
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*/ |
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protected $map; |
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/** |
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* Returns the default file with override commands to be executed. |
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* |
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* The YAML file provides an array of calls to MapHandler methods to be |
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* executed sequentially. Each entry indicates the method to be invoked and |
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* the arguments to be passed in. |
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* |
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* @return string |
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*/ |
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public static function getDefaultMapBuildFile() |
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{ |
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return __DIR__ . '/../resources/default_map_build.yml'; |
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} |
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/** |
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* Constructor. |
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* |
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* @param AbstractMap $map |
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* The map. |
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*/ |
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public function __construct(AbstractMap $map) |
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{ |
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$this->map = $map; |
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} |
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/** |
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* Loads a new type-to-extension map reading from a file in Apache format. |
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* |
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* @param string $source_file |
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* The source file. The file must conform to the format in the Apache |
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* source code repository file where MIME types and file extensions are |
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* associated. |
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* |
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* @return string[] |
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* An array of error messages. |
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*/ |
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public function loadMapFromApacheFile($source_file) |
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{ |
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$errors = []; |
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$lines = file($source_file); |
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foreach ($lines as $line) { |
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if ($line{0} == '#') { |
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continue; |
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} |
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$line = preg_replace("#\\s+#", ' ', trim($line)); |
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$parts = explode(' ', $line); |
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$type = array_shift($parts); |
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foreach ($parts as $extension) { |
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$this->map->addTypeExtensionMapping($type, $extension); |
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} |
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} |
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$this->map->sort(); |
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return $errors; |
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} |
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/** |
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* Loads a new type-to-extension map reading from a Freedesktop.org file. |
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* |
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* @param string $source_file |
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* The source file. The file must conform to the format in the |
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* Freedesktop.org database. |
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* |
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* @return string[] |
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* An array of error messages. |
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*/ |
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public function loadMapFromFreedesktopFile($source_file) |
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{ |
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$errors = []; |
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$xml = simplexml_load_string(file_get_contents($source_file)); |
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$aliases = []; |
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foreach ($xml as $node) { |
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$exts = []; |
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foreach ($node->glob as $glob) { |
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$pattern = (string) $glob['pattern']; |
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if ('*' != $pattern[0] || '.' != $pattern[1]) { |
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continue; |
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} |
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$exts[] = substr($pattern, 2); |
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} |
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if (empty($exts)) { |
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continue; |
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} |
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$type = (string) $node['type']; |
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// Add description. |
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if (isset($node->comment)) { |
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$this->map->addTypeDescription($type, (string) $node->comment[0]); |
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} |
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if (isset($node->acronym)) { |
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$acronym = (string) $node->acronym; |
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if (isset($node->{'expanded-acronym'})) { |
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$acronym .= ': ' . (string) $node->{'expanded-acronym'}; |
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} |
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$this->map->addTypeDescription($type, $acronym); |
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} |
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// Add extensions. |
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foreach ($exts as $ext) { |
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$this->map->addTypeExtensionMapping($type, $ext); |
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} |
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// All aliases are accumulated and processed at the end of the |
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// cycle to allow proper consistency checking on the completely |
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// developed list of types. |
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foreach ($node->alias as $alias) { |
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$aliases[$type][] = (string) $alias['type']; |
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} |
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} |
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// Add all the aliases, provide logging of errors. |
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foreach ($aliases as $type => $a) { |
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foreach ($a as $alias) { |
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try { |
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$this->map->addTypeAlias($type, $alias); |
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} catch (MappingException $e) { |
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$errors[] = $e->getMessage(); |
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} |
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} |
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} |
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$this->map->sort(); |
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return $errors; |
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} |
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/** |
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* Applies to the map an array of overrides. |
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* |
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* @param array $overrides |
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* The overrides to be applied. |
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* |
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* @return string[] |
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* An array of error messages. |
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*/ |
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public function applyOverrides(array $overrides) |
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{ |
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$errors = []; |
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foreach ($overrides as $command) { |
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try { |
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call_user_func_array([$this->map, $command[0]], $command[1]); |
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} catch (MappingException $e) { |
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$errors[] = $e->getMessage(); |
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} |
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} |
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$this->map->sort(); |
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return $errors; |
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} |
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/** |
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173
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* Updates the map at a destination PHP file. |
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* |
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* @return $this |
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*/ |
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1 |
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public function writeMapToPhpClassFile($file) |
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{ |
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1 |
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$content = preg_replace( |
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'#protected static \$map = (.+?);#s', |
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"protected static \$map = " . var_export($this->map->getMapArray(), true) . ";", |
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file_get_contents($file) |
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); |
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file_put_contents($file, $content); |
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return $this; |
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} |
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} |
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FileEye /
MimeMap
