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<?php |
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namespace Consolidation\AnnotatedCommand; |
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use Symfony\Component\Finder\Finder; |
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/** |
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* Do discovery presuming that the namespace of the command will |
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* contain the last component of the path. This is the convention |
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* that should be used when searching for command files that are |
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* bundled with the modules of a framework. The convention used |
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* is that the namespace for a module in a framework should start with |
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* the framework name followed by the module name. |
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* |
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* For example, if base namespace is "Drupal", then a command file in |
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* modules/default_content/src/CliTools/ExampleCommands.cpp |
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* will be in the namespace Drupal\default_content\CliTools. |
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* |
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* For global locations, the middle component of the namespace is |
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* omitted. For example, if the base namespace is "Drupal", then |
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* a command file in __DRUPAL_ROOT__/CliTools/ExampleCommands.cpp |
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* will be in the namespace Drupal\CliTools. |
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* |
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* To discover namespaced commands in modules: |
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* |
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* $commandFiles = $discovery->discoverNamespaced($moduleList, '\Drupal'); |
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* |
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* To discover global commands: |
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* |
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* $commandFiles = $discovery->discover($drupalRoot, '\Drupal'); |
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* |
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* WARNING: |
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* |
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* This class is deprecated. Commandfile discovery is complicated, and does |
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* not work from within phar files. It is recommended to instead use a static |
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* list of command classes as shown in https://github.com/g1a/starter/blob/master/example |
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* |
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* For a better alternative when implementing a plugin mechanism, see |
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* https://robo.li/extending/#register-command-files-via-psr-4-autoloading |
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*/ |
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class CommandFileDiscovery |
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{ |
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/** @var string[] */ |
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protected $excludeList; |
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/** @var string[] */ |
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protected $searchLocations; |
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/** @var string */ |
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protected $searchPattern = '*Commands.php'; |
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/** @var boolean */ |
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protected $includeFilesAtBase = true; |
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/** @var integer */ |
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protected $searchDepth = 2; |
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/** @var bool */ |
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protected $followLinks = false; |
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/** @var string[] */ |
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protected $strippedNamespaces; |
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public function __construct() |
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{ |
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$this->excludeList = ['Exclude']; |
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$this->searchLocations = [ |
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'Command', |
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'CliTools', // TODO: Maybe remove |
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]; |
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} |
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/** |
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* Specify whether to search for files at the base directory |
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* ($directoryList parameter to discover and discoverNamespaced |
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* methods), or only in the directories listed in the search paths. |
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* |
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* @param boolean $includeFilesAtBase |
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*/ |
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public function setIncludeFilesAtBase($includeFilesAtBase) |
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{ |
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$this->includeFilesAtBase = $includeFilesAtBase; |
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return $this; |
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} |
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/** |
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* Set the list of excludes to add to the finder, replacing |
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* whatever was there before. |
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* |
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* @param array $excludeList The list of directory names to skip when |
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* searching for command files. |
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*/ |
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public function setExcludeList($excludeList) |
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{ |
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$this->excludeList = $excludeList; |
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return $this; |
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} |
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/** |
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* Add one more location to the exclude list. |
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* |
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* @param string $exclude One directory name to skip when searching |
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* for command files. |
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*/ |
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public function addExclude($exclude) |
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{ |
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$this->excludeList[] = $exclude; |
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return $this; |
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} |
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/** |
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* Set the search depth. By default, fills immediately in the |
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* base directory are searched, plus all of the search locations |
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* to this specified depth. If the search locations is set to |
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* an empty array, then the base directory is searched to this |
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* depth. |
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*/ |
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public function setSearchDepth($searchDepth) |
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{ |
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$this->searchDepth = $searchDepth; |
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return $this; |
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} |
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/** |
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* Specify that the discovery object should follow symlinks. By |
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* default, symlinks are not followed. |
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*/ |
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public function followLinks($followLinks = true) |
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{ |
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$this->followLinks = $followLinks; |
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return $this; |
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} |
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/** |
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* Set the list of search locations to examine in each directory where |
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* command files may be found. This replaces whatever was there before. |
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* |
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* @param array $searchLocations The list of locations to search for command files. |
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*/ |
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public function setSearchLocations($searchLocations) |
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{ |
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$this->searchLocations = $searchLocations; |
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return $this; |
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} |
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/** |
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* Set a particular namespace part to ignore. This is useful in plugin |
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* mechanisms where the plugin is placed by Composer. |
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* |
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* For example, Drush extensions are placed in `./drush/Commands`. |
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* If the Composer installer path is `"drush/Commands/contrib/{$name}": ["type:drupal-drush"]`, |
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* then Composer will place the command files in `drush/Commands/contrib`. |
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* The namespace should not be any different in this instance than if |
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* the extension were placed in `drush/Commands`, though, so Drush therefore |
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* calls `ignoreNamespacePart('contrib', 'Commands')`. This causes the |
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* `contrib` component to be removed from the namespace if it follows |
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* the namespace `Commands`. If the '$base' parameter is not specified, then |
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* the ignored portion of the namespace may appear anywhere in the path. |
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*/ |
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public function ignoreNamespacePart($ignore, $base = '') |
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{ |
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$replacementPart = '\\'; |
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if (!empty($base)) { |
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$replacementPart .= $base . '\\'; |
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} |
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$ignoredPart = $replacementPart . $ignore . '\\'; |
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$this->strippedNamespaces[$ignoredPart] = $replacementPart; |
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return $this; |
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} |
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/** |
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* Add one more location to the search location list. |
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* |
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* @param string $location One more relative path to search |
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* for command files. |
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*/ |
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public function addSearchLocation($location) |
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{ |
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$this->searchLocations[] = $location; |
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return $this; |
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} |
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/** |
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* Specify the pattern / regex used by the finder to search for |
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* command files. |
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*/ |
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public function setSearchPattern($searchPattern) |
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{ |
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$this->searchPattern = $searchPattern; |
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return $this; |
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} |
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/** |
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* Given a list of directories, e.g. Drupal modules like: |
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* |
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* core/modules/block |
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* core/modules/dblog |
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* modules/default_content |
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* |
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* Discover command files in any of these locations. |
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* |
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* @param string|string[] $directoryList Places to search for commands. |
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* |
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* @return array |
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*/ |
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public function discoverNamespaced($directoryList, $baseNamespace = '') |
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{ |
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return $this->discover($this->convertToNamespacedList((array)$directoryList), $baseNamespace); |
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} |
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/** |
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* Given a simple list containing paths to directories, where |
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* the last component of the path should appear in the namespace, |
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* after the base namespace, this function will return an |
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* associative array mapping the path's basename (e.g. the module |
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* name) to the directory path. |
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* |
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* Module names must be unique. |
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* |
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* @param string[] $directoryList A list of module locations |
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* |
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* @return array |
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*/ |
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public function convertToNamespacedList($directoryList) |
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{ |
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$namespacedArray = []; |
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foreach ((array)$directoryList as $directory) { |
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$namespacedArray[basename($directory)] = $directory; |
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} |
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return $namespacedArray; |
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} |
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/** |
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* Search for command files in the specified locations. This is the function that |
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* should be used for all locations that are NOT modules of a framework. |
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* |
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* @param string|string[] $directoryList Places to search for commands. |
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* @return array |
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*/ |
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public function discover($directoryList, $baseNamespace = '') |
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{ |
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$commandFiles = []; |
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foreach ((array)$directoryList as $key => $directory) { |
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$itemsNamespace = $this->joinNamespace([$baseNamespace, $key]); |
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$commandFiles = array_merge( |
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$commandFiles, |
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$this->discoverCommandFiles($directory, $itemsNamespace), |
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$this->discoverCommandFiles("$directory/src", $itemsNamespace) |
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); |
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} |
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return $this->fixNamespaces($commandFiles); |
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} |
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/** |
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* fixNamespaces will alter the namespaces in the commandFiles |
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* result to remove the Composer placement directory, if any. |
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*/ |
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protected function fixNamespaces($commandFiles) |
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{ |
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// Do nothing unless the client told us to remove some namespace components. |
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if (empty($this->strippedNamespaces)) { |
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return $commandFiles; |
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} |
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// Strip out any part of the namespace the client did not want. |
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// @see CommandFileDiscovery::ignoreNamespacePart |
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return array_map( |
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function ($fqcn) { |
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return str_replace( |
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array_keys($this->strippedNamespaces), |
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array_values($this->strippedNamespaces), |
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$fqcn |
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); |
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}, |
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$commandFiles |
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); |
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} |
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/** |
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* Search for command files in specific locations within a single directory. |
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* |
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* In each location, we will accept only a few places where command files |
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* can be found. This will reduce the need to search through many unrelated |
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* files. |
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* |
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* The default search locations include: |
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* |
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* . |
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* CliTools |
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* src/CliTools |
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* |
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* The pattern we will look for is any file whose name ends in 'Commands.php'. |
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* A list of paths to found files will be returned. |
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*/ |
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protected function discoverCommandFiles($directory, $baseNamespace) |
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{ |
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$commandFiles = []; |
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// In the search location itself, we will search for command files |
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// immediately inside the directory only. |
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if ($this->includeFilesAtBase) { |
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$commandFiles = $this->discoverCommandFilesInLocation( |
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$directory, |
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$this->getBaseDirectorySearchDepth(), |
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$baseNamespace |
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); |
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} |
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// In the other search locations, |
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foreach ($this->searchLocations as $location) { |
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$itemsNamespace = $this->joinNamespace([$baseNamespace, $location]); |
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$commandFiles = array_merge( |
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$commandFiles, |
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$this->discoverCommandFilesInLocation( |
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"$directory/$location", |
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$this->getSearchDepth(), |
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$itemsNamespace |
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) |
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); |
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} |
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return $commandFiles; |
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} |
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/** |
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* Return a Finder search depth appropriate for our selected search depth. |
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* |
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* @return string |
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*/ |
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protected function getSearchDepth() |
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{ |
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return $this->searchDepth <= 0 ? '== 0' : '<= ' . $this->searchDepth; |
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} |
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/** |
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* Return a Finder search depth for the base directory. If the |
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* searchLocations array has been populated, then we will only search |
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* for files immediately inside the base directory; no traversal into |
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* deeper directories will be done, as that would conflict with the |
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* specification provided by the search locations. If there is no |
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* search location, then we will search to whatever depth was specified |
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* by the client. |
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* |
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* @return string |
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*/ |
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protected function getBaseDirectorySearchDepth() |
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{ |
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if (!empty($this->searchLocations)) { |
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return '== 0'; |
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} |
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return $this->getSearchDepth(); |
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} |
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/** |
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* Search for command files in just one particular location. Returns |
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* an associative array mapping from the pathname of the file to the |
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* classname that it contains. The pathname may be ignored if the search |
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* location is included in the autoloader. |
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* |
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* @param string $directory The location to search |
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* @param string $depth How deep to search (e.g. '== 0' or '< 2') |
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* @param string $baseNamespace Namespace to prepend to each classname |
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* |
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* @return array |
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*/ |
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protected function discoverCommandFilesInLocation($directory, $depth, $baseNamespace) |
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{ |
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if (!is_dir($directory)) { |
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return []; |
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} |
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$finder = $this->createFinder($directory, $depth); |
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$commands = []; |
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foreach ($finder as $file) { |
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$relativePathName = $file->getRelativePathname(); |
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$relativeNamespaceAndClassname = str_replace( |
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['/', '-', '.php'], |
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['\\', '_', ''], |
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$relativePathName |
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); |
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$classname = $this->joinNamespace([$baseNamespace, $relativeNamespaceAndClassname]); |
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$commandFilePath = $this->joinPaths([$directory, $relativePathName]); |
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$commands[$commandFilePath] = $classname; |
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} |
377
|
|
|
|
378
|
|
|
return $commands; |
379
|
|
|
} |
380
|
|
|
|
381
|
|
|
/** |
382
|
|
|
* Create a Finder object for use in searching a particular directory |
383
|
|
|
* location. |
384
|
|
|
* |
385
|
|
|
* @param string $directory The location to search |
386
|
|
|
* @param string $depth The depth limitation |
387
|
|
|
* |
388
|
|
|
* @return Finder |
389
|
|
|
*/ |
390
|
|
|
protected function createFinder($directory, $depth) |
391
|
|
|
{ |
392
|
|
|
$finder = new Finder(); |
393
|
|
|
$finder->files() |
394
|
|
|
->name($this->searchPattern) |
395
|
|
|
->in($directory) |
396
|
|
|
->depth($depth); |
397
|
|
|
|
398
|
|
|
foreach ($this->excludeList as $item) { |
399
|
|
|
$finder->exclude($item); |
400
|
|
|
} |
401
|
|
|
|
402
|
|
|
if ($this->followLinks) { |
403
|
|
|
$finder->followLinks(); |
404
|
|
|
} |
405
|
|
|
|
406
|
|
|
return $finder; |
407
|
|
|
} |
408
|
|
|
|
409
|
|
|
/** |
410
|
|
|
* Combine the items of the provied array into a backslash-separated |
411
|
|
|
* namespace string. Empty and numeric items are omitted. |
412
|
|
|
* |
413
|
|
|
* @param array $namespaceParts List of components of a namespace |
414
|
|
|
* |
415
|
|
|
* @return string |
416
|
|
|
*/ |
417
|
|
|
protected function joinNamespace(array $namespaceParts) |
418
|
|
|
{ |
419
|
|
|
return $this->joinParts( |
420
|
|
|
'\\', |
421
|
|
|
$namespaceParts, |
422
|
|
|
function ($item) { |
423
|
|
|
return !is_numeric($item) && !empty($item); |
424
|
|
|
} |
425
|
|
|
); |
426
|
|
|
} |
427
|
|
|
|
428
|
|
|
/** |
429
|
|
|
* Combine the items of the provied array into a slash-separated |
430
|
|
|
* pathname. Empty items are omitted. |
431
|
|
|
* |
432
|
|
|
* @param array $pathParts List of components of a path |
433
|
|
|
* |
434
|
|
|
* @return string |
435
|
|
|
*/ |
436
|
|
|
protected function joinPaths(array $pathParts) |
437
|
|
|
{ |
438
|
|
|
$path = $this->joinParts( |
439
|
|
|
'/', |
440
|
|
|
$pathParts, |
441
|
|
|
function ($item) { |
442
|
|
|
return !empty($item); |
443
|
|
|
} |
444
|
|
|
); |
445
|
|
|
return str_replace(DIRECTORY_SEPARATOR, '/', $path); |
446
|
|
|
} |
447
|
|
|
|
448
|
|
|
/** |
449
|
|
|
* Simple wrapper around implode and array_filter. |
450
|
|
|
* |
451
|
|
|
* @param string $delimiter |
452
|
|
|
* @param array $parts |
453
|
|
|
* @param callable $filterFunction |
454
|
|
|
*/ |
455
|
|
|
protected function joinParts($delimiter, $parts, $filterFunction) |
456
|
|
|
{ |
457
|
|
|
$parts = array_map( |
458
|
|
|
function ($item) use ($delimiter) { |
459
|
|
|
return rtrim($item, $delimiter); |
460
|
|
|
}, |
461
|
|
|
$parts |
462
|
|
|
); |
463
|
|
|
return implode( |
464
|
|
|
$delimiter, |
465
|
|
|
array_filter($parts, $filterFunction) |
466
|
|
|
); |
467
|
|
|
} |
468
|
|
|
} |
469
|
|
|
|