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<?php |
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/** |
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* Copyright Mediact. All rights reserved. |
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* https://www.Mediact.nl |
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*/ |
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namespace Mediact\FileMapping; |
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use ArrayIterator; |
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use Iterator; |
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use SplFileObject; |
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class UnixFileMappingReader implements FileMappingReaderInterface |
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{ |
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/** @var array */ |
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private $mappingFilePaths; |
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/** @var string */ |
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private $sourceDirectory; |
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/** @var string */ |
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private $targetDirectory; |
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/** @var Iterator|FileMappingInterface[] */ |
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private $mappings; |
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/** |
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* Constructor. |
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* |
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* @param string $sourceDirectory |
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* @param string $targetDirectory |
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* @param string[] ...$mappingFilePaths |
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*/ |
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public function __construct( |
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string $sourceDirectory, |
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string $targetDirectory, |
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string ...$mappingFilePaths |
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) { |
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$this->sourceDirectory = $sourceDirectory; |
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$this->targetDirectory = $targetDirectory; |
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$this->mappingFilePaths = $mappingFilePaths; |
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} |
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/** |
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* Get the mappings. |
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* |
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* @return Iterator |
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*/ |
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private function getMappings(): Iterator |
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{ |
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if ($this->mappings === null) { |
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$filePaths = []; |
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foreach ($this->mappingFilePaths as $mappingFilePath) { |
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$newFilePaths = iterator_to_array(new SplFileObject($mappingFilePath, 'r')); |
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$filePaths = array_merge($filePaths, $newFilePaths); |
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} |
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$this->mappings = new ArrayIterator( |
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array_map( |
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function (string $mapping) : FileMappingInterface { |
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return new UnixFileMapping( |
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$this->sourceDirectory, |
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$this->targetDirectory, |
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trim($mapping) |
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); |
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}, |
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// Filter out empty lines. |
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array_filter( |
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$filePaths |
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) |
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) |
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); |
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} |
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return $this->mappings; |
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} |
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/** |
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* Move forward to next element. |
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* |
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* @return void |
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*/ |
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public function next() |
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{ |
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$this->getMappings()->next(); |
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} |
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/** |
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* Return the key of the current element. |
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* |
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* @return int |
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*/ |
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public function key(): int |
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{ |
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return $this->getMappings()->key(); |
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} |
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/** |
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* Checks if current position is valid. |
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* |
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* @return bool |
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*/ |
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public function valid(): bool |
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{ |
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return $this->getMappings()->valid(); |
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} |
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/** |
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* Rewind the Iterator to the first element. |
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* |
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* @return void |
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*/ |
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public function rewind() |
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{ |
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$this->getMappings()->rewind(); |
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} |
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/** |
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* Get the current file mapping. |
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* |
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* @return FileMappingInterface |
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*/ |
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public function current(): FileMappingInterface |
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{ |
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return $this->getMappings()->current(); |
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} |
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} |
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mediact /
file-mapping
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