Subversion-Projekte lars-tiefland.laravel_shop

<?php

/**

 * Hoa

 *

 *

 * @license

 *

 * New BSD License

 *

 * Copyright © 2007-2017, Hoa community. All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions are met:

 *     * Redistributions of source code must retain the above copyright

 *       notice, this list of conditions and the following disclaimer.

 *     * Redistributions in binary form must reproduce the above copyright

 *       notice, this list of conditions and the following disclaimer in the

 *       documentation and/or other materials provided with the distribution.

 *     * Neither the name of the Hoa nor the names of its contributors may be

 *       used to endorse or promote products derived from this software without

 *       specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE

 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

 * POSSIBILITY OF SUCH DAMAGE.

 */

namespace Psy\Readline\Hoa;

/**

 * Class \Hoa\File\Link\ReadWrite.

 *

 * File handler.

 */

class FileLinkReadWrite extends FileLink implements StreamIn, StreamOut

{

    /**

     * Open a file.

     */

    public function __construct(

        string $streamName,

        string $mode = parent::MODE_APPEND_READ_WRITE,

        string $context = null,

        bool $wait = false

    ) {

        parent::__construct($streamName, $mode, $context, $wait);

        return;

    }

    /**

     * Open the stream and return the associated resource.

     */

    protected function &_open(string $streamName, StreamContext $context = null)

    {

        static $createModes = [

            parent::MODE_READ_WRITE,

            parent::MODE_TRUNCATE_READ_WRITE,

            parent::MODE_APPEND_READ_WRITE,

            parent::MODE_CREATE_READ_WRITE,

        ];

        if (!\in_array($this->getMode(), $createModes)) {

            throw new FileException('Open mode are not supported; given %d. Only %s are supported.', 0, [$this->getMode(), \implode(', ', $createModes)]);

        }

        \preg_match('#^(\w+)://#', $streamName, $match);

        if (((isset($match[1]) && $match[1] === 'file') || !isset($match[1])) &&

            !\file_exists($streamName) &&

            parent::MODE_READ_WRITE === $this->getMode()) {

            throw new FileDoesNotExistException('File %s does not exist.', 1, $streamName);

        }

        $out = parent::_open($streamName, $context);

        return $out;

    }

    /**

     * Test for end-of-file.

     */

    public function eof(): bool

    {

        return \feof($this->getStream());

    }

    /**

     * Read n characters.

     */

    public function read(int $length)

    {

        if (0 > $length) {

            throw new FileException('Length must be greater than 0, given %d.', 2, $length);

        }

        return \fread($this->getStream(), $length);

    }

    /**

     * Alias of $this->read().

     */

    public function readString(int $length)

    {

        return $this->read($length);

    }

    /**

     * Read a character.

     */

    public function readCharacter()

    {

        return \fgetc($this->getStream());

    }

    /**

     * Read a boolean.

     */

    public function readBoolean()

    {

        return (bool) $this->read(1);

    }

    /**

     * Read an integer.

     */

    public function readInteger(int $length = 1)

    {

        return (int) $this->read($length);

    }

    /**

     * Read a float.

     */

    public function readFloat(int $length = 1)

    {

        return (float) $this->read($length);

    }

    /**

     * Read an array.

     * Alias of the $this->scanf() method.

     */

    public function readArray(string $format = null)

    {

        return $this->scanf($format);

    }

    /**

     * Read a line.

     */

    public function readLine()

    {

        return \fgets($this->getStream());

    }

    /**

     * Read all, i.e. read as much as possible.

     */

    public function readAll(int $offset = 0)

    {

        return \stream_get_contents($this->getStream(), -1, $offset);

    }

    /**

     * Parse input from a stream according to a format.

     */

    public function scanf(string $format): array

    {

        return \fscanf($this->getStream(), $format);

    }

    /**

     * Write n characters.

     */

    public function write(string $string, int $length)

    {

        if (0 > $length) {

            throw new FileException('Length must be greater than 0, given %d.', 3, $length);

        }

        return \fwrite($this->getStream(), $string, $length);

    }

    /**

     * Write a string.

     */

    public function writeString(string $string)

    {

        $string = (string) $string;

        return $this->write($string, \strlen($string));

    }

    /**

     * Write a character.

     */

    public function writeCharacter(string $char)

    {

        return $this->write((string) $char[0], 1);

    }

    /**

     * Write a boolean.

     */

    public function writeBoolean(bool $boolean)

    {

        return $this->write((string) (bool) $boolean, 1);

    }

    /**

     * Write an integer.

     */

    public function writeInteger(int $integer)

    {

        $integer = (string) (int) $integer;

        return $this->write($integer, \strlen($integer));

    }

    /**

     * Write a float.

     */

    public function writeFloat(float $float)

    {

        $float = (string) (float) $float;

        return $this->write($float, \strlen($float));

    }

    /**

     * Write an array.

     */

    public function writeArray(array $array)

    {

        $array = \var_export($array, true);

        return $this->write($array, \strlen($array));

    }

    /**

     * Write a line.

     */

    public function writeLine(string $line)

    {

        if (false === $n = \strpos($line, "\n")) {

            return $this->write($line."\n", \strlen($line) + 1);

        }

        ++$n;

        return $this->write(\substr($line, 0, $n), $n);

    }

    /**

     * Write all, i.e. as much as possible.

     */

    public function writeAll(string $string)

    {

        return $this->write($string, \strlen($string));

    }

    /**

     * Truncate a file to a given length.

     */

    public function truncate(int $size): bool

    {

        return \ftruncate($this->getStream(), $size);

    }

}