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<?php |
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/* |
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* This file is part of the webmozart/glob package. |
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* |
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* (c) Bernhard Schussek <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Webmozart\Glob\Iterator; |
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use ArrayIterator; |
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use EmptyIterator; |
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use InvalidArgumentException; |
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use IteratorIterator; |
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use RecursiveIteratorIterator; |
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use Webmozart\Glob\Glob; |
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/** |
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* Returns filesystem paths matching a glob. |
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* |
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* @since 1.0 |
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* |
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* @author Bernhard Schussek <[email protected]> |
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* |
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* @see Glob |
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*/ |
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class GlobIterator extends IteratorIterator |
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{ |
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/** |
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* Creates a new iterator. |
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* |
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* @param string $glob The glob pattern. |
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* @param int $flags A bitwise combination of the flag constants in |
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* {@link Glob}. |
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*/ |
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public function __construct($glob, $flags = 0) |
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{ |
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$basePath = Glob::getBasePath($glob); |
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if (!Glob::isDynamic($glob) && file_exists($glob)) { |
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// If the glob is a file path, return that path |
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$innerIterator = new ArrayIterator(array($glob)); |
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} elseif (is_dir($basePath)) { |
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// Use the system's much more efficient glob() function where we can |
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if ( |
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// glob() does not support /**/ |
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false === strpos($glob, '/**/') && |
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// glob() does not support stream wrappers |
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false === strpos($glob, '://') && |
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// glob() does not support [^...] on Windows |
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('\\' !== DIRECTORY_SEPARATOR || false === strpos($glob, '[^')) |
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) { |
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if (false === $results = glob($glob, GLOB_BRACE)) { |
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$innerIterator = new EmptyIterator(); |
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} else { |
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$innerIterator = new ArrayIterator($results); |
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} |
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} else { |
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try { |
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// Otherwise scan the glob's base directory for matches |
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$innerIterator = new GlobFilterIterator( |
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$glob, |
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new RecursiveIteratorIterator( |
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new RecursiveDirectoryIterator( |
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$basePath, |
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RecursiveDirectoryIterator::CURRENT_AS_PATHNAME |
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| RecursiveDirectoryIterator::SKIP_DOTS |
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), |
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RecursiveIteratorIterator::SELF_FIRST |
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), |
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GlobFilterIterator::FILTER_VALUE, |
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$flags |
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); |
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} catch (InvalidArgumentException $e) { |
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if (0 === strpos($e->getMessage(), 'Invalid glob: missing ]') |
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|| 0 === strpos($e->getMessage(), 'Invalid glob: missing }')) { |
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// Remain compatible with glob() which simply returns |
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// nothing in this case |
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$innerIterator = new EmptyIterator(); |
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} else { |
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throw $e; |
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} |
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} |
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} |
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} else { |
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// If the glob's base directory does not exist, return nothing |
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$innerIterator = new EmptyIterator(); |
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} |
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parent::__construct($innerIterator); |
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} |
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} |
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webmozart /
glob
