fab2s\YaEtl\Extractors\File\FileExtractorAbstract

Complexity

Total Complexity

7

Size/Duplication

Total Lines	52
Duplicated Lines	0 %

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	5	1
A	extract()	0	5	1
B	getNextNonEmptyLine()	0	18	5

<?php

/*
 * This file is part of YaEtl.
 *     (c) Fabrice de Stefanis / https://github.com/fab2s/YaEtl
 * This source file is licensed under the MIT license which you will
 * find in the LICENSE file or at https://opensource.org/licenses/MIT
 */

namespace fab2s\YaEtl\Extractors\File;

use fab2s\NodalFlow\NodalFlowException;
use fab2s\NodalFlow\YaEtlException;
use fab2s\YaEtl\Extractors\ExtractorAbstract;
use fab2s\YaEtl\Traits\FileHandlerTrait;

/**
 * Class FileExtractorAbstract
 */
abstract class FileExtractorAbstract extends ExtractorAbstract
{
    use FileHandlerTrait;

    /**
     * @param resource|string $input
     *
     * @throws YaEtlException
     * @throws NodalFlowException
     */
    public function __construct($input)
    {
        $this->initHandle($input, 'rb');

        parent::__construct();
    }

    /**
     * @param mixed $param
     *
     * @return bool
     */
    public function extract($param = null)
    {
        $this->getCarrier()->getFlowMap()->incrementNode($this->getId(), 'num_extract');

        return rewind($this->handle);
    }

    /**
     * @param bool $lookUpBom
     *
     * @return string|bool
     */
    protected function getNextNonEmptyLine($lookUpBom = false)
    {
        while (false !== ($line = fgets($this->handle))) {
            if ('' === ($line = trim($line))) {
                continue;
            }

            if ($lookUpBom) {
                $lookUpBom = false;
                if ('' === ($line = $this->readBom($line))) {
                    continue;
                }
            }

            return $line;
        }

        return false;
    }
}