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PHP Version:

7.4.33

User:

skby1167

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/home/skby1167/skbbindonesia/vendor/mikey179/vfsstream/src/main/php/org/bovigo/vfs/content

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✏️ Editing: SeekableFileContent.php

<?php
/**
 * This file is part of vfsStream.
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 *
 * @package  org\bovigo\vfs
 */
namespace org\bovigo\vfs\content;
/**
 * Default implementation for file contents based on simple strings.
 *
 * @since  1.3.0
 */
abstract class SeekableFileContent implements FileContent
{
    /**
     * current position within content
     *
     * @type  int
     */
    private $offset = 0;

/**
     * reads the given amount of bytes from content
     *
     * @param   int     $count
     * @return  string
     */
    public function read($count)
    {
        $data = $this->doRead($this->offset, $count);
        $this->offset += $count;
        return $data;
    }

/**
     * actual reading of given byte count starting at given offset
     *
     * @param  int  $offset
     * @param  int  $count
     */
    protected abstract function doRead($offset, $count);

/**
     * seeks to the given offset
     *
     * @param   int   $offset
     * @param   int   $whence
     * @return  bool
     */
    public function seek($offset, $whence)
    {
        $newOffset = $this->offset;
        switch ($whence) {
            case SEEK_CUR:
                $newOffset += $offset;
                break;

case SEEK_END:
                $newOffset = $this->size() + $offset;
                break;

case SEEK_SET:
                $newOffset = $offset;
                break;

default:
                return false;
        }

if ($newOffset<0) {
            return false;
        }
        $this->offset = $newOffset;
        return true;
    }

/**
     * checks whether pointer is at end of file
     *
     * @return  bool
     */
    public function eof()
    {
        return $this->size() <= $this->offset;
    }

/**
     * writes an amount of data
     *
     * @param   string  $data
     * @return  int amount of written bytes
     */
    public function write($data)
    {
        $dataLength    = strlen($data);
        $this->doWrite($data, $this->offset, $dataLength);
        $this->offset += $dataLength;
        return $dataLength;
    }

/**
     * actual writing of data with specified length at given offset
     *
     * @param   string  $data
     * @param   int     $offset
     * @param   int     $length
     */
    protected abstract function doWrite($data, $offset, $length);

/**
     * for backwards compatibility with vfsStreamFile::bytesRead()
     *
     * @return  int
     * @deprecated
     */
    public function bytesRead()
    {
        return $this->offset;
    }

/**
     * for backwards compatibility with vfsStreamFile::readUntilEnd()
     *
     * @return  string
     * @deprecated
     */
    public function readUntilEnd()
    {
        return substr($this->content(), $this->offset);
    }
}

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