php-ml/src/Phpml/Dataset/FilesDataset.php

48 lines
1005 B
PHP

<?php
declare(strict_types=1);
namespace Phpml\Dataset;
use Phpml\Exception\DatasetException;
class FilesDataset extends ArrayDataset
{
/**
* @param string $rootPath
*
* @throws DatasetException
*/
public function __construct(string $rootPath)
{
if (!is_dir($rootPath)) {
throw DatasetException::missingFolder($rootPath);
}
$this->scanRootPath($rootPath);
}
/**
* @param string $rootPath
*/
private function scanRootPath(string $rootPath)
{
foreach (glob($rootPath.DIRECTORY_SEPARATOR.'*', GLOB_ONLYDIR) as $dir) {
$this->scanDir($dir);
}
}
/**
* @param string $dir
*/
private function scanDir(string $dir)
{
$target = basename($dir);
foreach (array_filter(glob($dir.DIRECTORY_SEPARATOR.'*'), 'is_file') as $file) {
$this->samples[] = [file_get_contents($file)];
$this->targets[] = $target;
}
}
}