nebula\component\filesystem\ReadLineIterator::getIterator()

Complexity

Conditions	8
Paths	10

Size

Total Lines	24
Code Lines	19

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
    public function getIterator():Iterator
    {
        if (file_exists($this->path) && ($fp = fopen($this->path, 'rb')) !== false) {
            $offset = $this->offset ?: 0;
            while (!feof($fp)) {
                fseek($fp, $offset);
                $content = fread($fp, $this->bufferSize);
                $content.=(feof($fp))? "\n":'';
                $size = strpos($content, "\n");
                $offset += $size;
                if ($content[$size - 1] === "\r") {
                    $content = substr($content, 0, $size -1);
                } else {
                    $content = substr($content, 0, $size);
                }
                if (is_null($this->offset)) {
                    yield $content;
                } else {
                    yield $offset => $content;
                }
            }
            fclose($fp);
        } else {
            throw new \Exception(sprintf('readline iterator: file note exists %s', $this->path));
        }