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<?php |
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namespace FileEye\MimeMap\Command; |
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use SebastianBergmann\Comparator\ComparisonFailure; |
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use SebastianBergmann\Comparator\Factory; |
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use SebastianBergmann\Diff\Differ; |
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use SebastianBergmann\Diff\Output\UnifiedDiffOutputBuilder; |
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use Symfony\Component\Console\Command\Command; |
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use Symfony\Component\Console\Input\InputOption; |
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use Symfony\Component\Console\Input\InputInterface; |
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use Symfony\Component\Console\Output\OutputInterface; |
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use Symfony\Component\Yaml\Yaml; |
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use FileEye\MimeMap\Map\AbstractMap; |
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use FileEye\MimeMap\MapHandler; |
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use FileEye\MimeMap\MapUpdater; |
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/** |
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* A Symfony application command to update the MIME type to extension map. |
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*/ |
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class UpdateCommand extends Command |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function configure() |
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{ |
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$this |
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->setName('update') |
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->setDescription('Updates the MIME-type-to-extension map. Reads the source file specified by --source, applies any overrides specified in the file at --override, then writes the map to the PHP file where the PHP --class is defined.') |
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->addOption( |
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'source', |
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null, |
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InputOption::VALUE_REQUIRED, |
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'URL or filename of the source map', |
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MapUpdater::DEFAULT_SOURCE_FILE |
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) |
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->addOption( |
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'override', |
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null, |
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InputOption::VALUE_REQUIRED, |
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'URL or filename of the override commands to execute', |
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MapUpdater::getDefaultOverrideFile() |
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) |
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->addOption( |
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'class', |
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null, |
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InputOption::VALUE_REQUIRED, |
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'The Fully Qualified Class Name of the PHP class storing the map', |
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MapHandler::DEFAULT_MAP_CLASS |
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) |
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; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function execute(InputInterface $input, OutputInterface $output) |
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{ |
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MapHandler::setDefaultMapClass($input->getOption('class')); |
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$current_map = MapHandler::map(); |
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$updater = new MapUpdater(); |
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// Loads the map from the source file. |
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try { |
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$new_map = $updater->createMapFromSourceFile($input->getOption('source')); |
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} catch (\RuntimeException $e) { |
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$output->writeln('<error>' . $e->getMessage() . '</error>'); |
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exit(2); |
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} |
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// Applies the overrides. |
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try { |
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$content = file_get_contents($input->getOption('override')); |
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$updater->applyOverrides($new_map, Yaml::parse($content)); |
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} catch (\Exception $e) { |
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$output->writeln('<error>' . $e->getMessage() . '</error>'); |
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exit(2); |
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} |
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// Check if anything got changed. |
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$write = false; |
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try { |
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$this->compareMaps($current_map, $new_map, 'types'); |
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} catch (\RuntimeException $e) { |
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$output->writeln('<comment>Changes to MIME types mapping</comment>'); |
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$output->writeln($e->getMessage()); |
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$write = true; |
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} |
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try { |
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$this->compareMaps($current_map, $new_map, 'extensions'); |
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} catch (\RuntimeException $e) { |
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$output->writeln('<comment>Changes to extensions mapping</comment>'); |
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$output->writeln($e->getMessage()); |
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$write = true; |
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} |
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// If changed, save the new map to the PHP file. |
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if ($write) { |
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$updater->writeMapToPhpClassFile($new_map, $current_map->getFileName()); |
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$output->writeln('<comment>Code updated.</comment>'); |
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} else { |
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$output->writeln('<info>No changes to mapping.</info>'); |
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} |
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// Reset the new map's map array. |
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$new_map->reset(); |
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} |
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/** |
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* Compares two type-to-extension maps by section. |
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* |
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* @param AbstractMap $old_map |
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* The first map to compare. |
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* @param AbstractMap $new_map |
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* The second map to compare. |
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* @param string $section |
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* The first-level array key to compare: 'types' or 'extensions'. |
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* |
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* @throws \RuntimeException with diff details if the maps differ. |
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* |
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* @return bool |
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* True if the maps are equal. |
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*/ |
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protected function compareMaps(AbstractMap $old_map, AbstractMap $new_map, $section) |
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{ |
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$old_map->sort(); |
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$new_map->sort(); |
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$old = $old_map->getMapArray(); |
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$new = $new_map->getMapArray(); |
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$factory = new Factory; |
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$comparator = $factory->getComparatorFor($old[$section], $new[$section]); |
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try { |
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$comparator->assertEquals($old[$section], $new[$section]); |
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return true; |
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} catch (ComparisonFailure $failure) { |
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$old_string = var_export($old[$section], true); |
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$new_string = var_export($new[$section], true); |
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if (class_exists('\SebastianBergmann\Diff\Output\UnifiedDiffOutputBuilder')) { |
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$differ = new Differ(new UnifiedDiffOutputBuilder("--- Removed\n+++ Added\n")); |
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throw new \RuntimeException($differ->diff($old_string, $new_string)); |
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} else { |
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throw new \RuntimeException(' '); |
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} |
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} |
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} |
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} |
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FileEye /
MimeMap
