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File Content: `AbstractFile.php`

<?php

/**
 * Zend Framework (http://framework.zend.com/)
 *
 * @link      http://github.com/zendframework/zf2 for the canonical source repository
 * @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
 * @license   http://framework.zend.com/license/new-bsd New BSD License
 * @package   Zend_Search
 */
namespace PleskCatalog\ZendSearch\Lucene\Storage\File;

use PleskCatalog\ZendSearch\Lucene;
use PleskCatalog\ZendSearch\Lucene\Storage\File;
/**
 * @category   Zend
 * @package    Zend_Search_Lucene
 * @subpackage Storage
 */
abstract class AbstractFile implements FileInterface
{
    /**
     * Reads a byte from the current position in the file
     * and advances the file pointer.
     *
     * @return integer
     */
    public function readByte()
    {
        return \ord($this->_fread(1));
    }
    /**
     * Writes a byte to the end of the file.
     *
     * @param integer $byte
     */
    public function writeByte($byte)
    {
        return $this->_fwrite(\chr($byte), 1);
    }
    /**
     * Read num bytes from the current position in the file
     * and advances the file pointer.
     *
     * @param integer $num
     * @return string
     */
    public function readBytes($num)
    {
        return $this->_fread($num);
    }
    /**
     * Writes num bytes of data (all, if $num===null) to the end
     * of the string.
     *
     * @param string $data
     * @param integer $num
     */
    public function writeBytes($data, $num = null)
    {
        $this->_fwrite($data, $num);
    }
    /**
     * Reads an integer from the current position in the file
     * and advances the file pointer.
     *
     * @return integer
     */
    public function readInt()
    {
        $str = $this->_fread(4);
        if ('' === $str) {
            return 0;
        }
        return \ord($str[0]) << 24 | \ord($str[1]) << 16 | \ord($str[2]) << 8 | \ord($str[3]);
    }
    /**
     * Writes an integer to the end of file.
     *
     * @param integer $value
     */
    public function writeInt($value)
    {
        \settype($value, 'integer');
        $this->_fwrite(\chr($value >> 24 & 0xff) . \chr($value >> 16 & 0xff) . \chr($value >> 8 & 0xff) . \chr($value & 0xff), 4);
    }
    /**
     * Returns a long integer from the current position in the file
     * and advances the file pointer.
     *
     * @return integer|float
     */
    public function readLong()
    {
        /**
         * Check, that we work in 64-bit mode.
         * fseek() uses long for offset. Thus, largest index segment file size in 32bit mode is 2Gb
         */
        if (\PHP_INT_SIZE > 4) {
            $str = $this->_fread(8);
            return \ord($str[0]) << 56 | \ord($str[1]) << 48 | \ord($str[2]) << 40 | \ord($str[3]) << 32 | \ord($str[4]) << 24 | \ord($str[5]) << 16 | \ord($str[6]) << 8 | \ord($str[7]);
        } else {
            return $this->_readLong32Bit();
        }
    }
    /**
     * Writes long integer to the end of file
     *
     * @param integer $value
     */
    public function writeLong($value)
    {
        /**
         * Check, that we work in 64-bit mode.
         * fseek() and ftell() use long for offset. Thus, largest index segment file size in 32bit mode is 2Gb
         */
        if (\PHP_INT_SIZE > 4) {
            \settype($value, 'integer');
            $this->_fwrite(\chr($value >> 56 & 0xff) . \chr($value >> 48 & 0xff) . \chr($value >> 40 & 0xff) . \chr($value >> 32 & 0xff) . \chr($value >> 24 & 0xff) . \chr($value >> 16 & 0xff) . \chr($value >> 8 & 0xff) . \chr($value & 0xff), 8);
        } else {
            $this->_writeLong32Bit($value);
        }
    }
    /**
     * Returns a long integer from the current position in the file,
     * advances the file pointer and return it as float (for 32-bit platforms).
     *
     * @throws \ZendSearch\Lucene\Exception\RuntimeException
     * @return integer|float
     */
    protected function _readLong32Bit()
    {
        $wordHigh = $this->readInt();
        $wordLow = $this->readInt();
        if ($wordHigh & (int) 0x80000000) {
            // It's a negative value since the highest bit is set
            if ($wordHigh == (int) 0xffffffff && $wordLow & (int) 0x80000000) {
                return $wordLow;
            } else {
                throw new Lucene\Exception\RuntimeException('Long integers lower than -2147483648 (0x80000000) are not supported on 32-bit platforms.');
            }
        }
        if ($wordLow < 0) {
            // Value is large than 0x7FFF FFFF. Represent low word as float.
            $wordLow &= 0x7fffffff;
            $wordLow += (float) 0x80000000;
        }
        if ($wordHigh == 0) {
            // Return value as integer if possible
            return $wordLow;
        }
        return $wordHigh * (float) 0x100000000 + $wordLow;
    }
    /**
     * Writes long integer to the end of file (32-bit platforms implementation)
     *
     * @param integer|float $value
     * @throws \ZendSearch\Lucene\Exception\RuntimeException
     */
    protected function _writeLong32Bit($value)
    {
        if ($value < (int) 0x80000000) {
            throw new Lucene\Exception\RuntimeException('Long integers lower than -2147483648 (0x80000000) are not supported on 32-bit platforms.');
        }
        if ($value < 0) {
            $wordHigh = (int) 0xffffffff;
            $wordLow = (int) $value;
        } else {
            $wordHigh = (int) ($value / (float) 0x100000000);
            $wordLow = $value - $wordHigh * (float) 0x100000000;
            if ($wordLow > 0x7fffffff) {
                // Highest bit of low word is set. Translate it to the corresponding negative integer value
                $wordLow -= 0x80000000;
                $wordLow |= 0x80000000;
            }
        }
        $this->writeInt($wordHigh);
        $this->writeInt($wordLow);
    }
    /**
     * Returns a variable-length integer from the current
     * position in the file and advances the file pointer.
     *
     * @return integer
     */
    public function readVInt()
    {
        $nextByte = \ord($this->_fread(1));
        $val = $nextByte & 0x7f;
        for ($shift = 7; ($nextByte & 0x80) != 0; $shift += 7) {
            $nextByte = \ord($this->_fread(1));
            $val |= ($nextByte & 0x7f) << $shift;
        }
        return $val;
    }
    /**
     * Writes a variable-length integer to the end of file.
     *
     * @param integer $value
     */
    public function writeVInt($value)
    {
        \settype($value, 'integer');
        while ($value > 0x7f) {
            $this->_fwrite(\chr($value & 0x7f | 0x80));
            $value >>= 7;
        }
        $this->_fwrite(\chr($value));
    }
    /**
     * Reads a string from the current position in the file
     * and advances the file pointer.
     *
     * @return string
     */
    public function readString()
    {
        $strlen = $this->readVInt();
        if ($strlen == 0) {
            return '';
        } else {
            /**
             * This implementation supports only Basic Multilingual Plane
             * (BMP) characters (from 0x0000 to 0xFFFF) and doesn't support
             * "supplementary characters" (characters whose code points are
             * greater than 0xFFFF)
             * Java 2 represents these characters as a pair of char (16-bit)
             * values, the first from the high-surrogates range (0xD800-0xDBFF),
             * the second from the low-surrogates range (0xDC00-0xDFFF). Then
             * they are encoded as usual UTF-8 characters in six bytes.
             * Standard UTF-8 representation uses four bytes for supplementary
             * characters.
             */
            $str_val = $this->_fread($strlen);
            for ($count = 0; $count < $strlen; $count++) {
                if ((\ord($str_val[$count]) & 0xc0) == 0xc0) {
                    $addBytes = 1;
                    if (\ord($str_val[$count]) & 0x20) {
                        $addBytes++;
                        // Never used. Java2 doesn't encode strings in four bytes
                        if (\ord($str_val[$count]) & 0x10) {
                            $addBytes++;
                        }
                    }
                    $str_val .= $this->_fread($addBytes);
                    $strlen += $addBytes;
                    // Check for null character. Java2 encodes null character
                    // in two bytes.
                    if (\ord($str_val[$count]) == 0xc0 && \ord($str_val[$count + 1]) == 0x80) {
                        $str_val[$count] = 0;
                        $str_val = \substr($str_val, 0, $count + 1) . \substr($str_val, $count + 2);
                    }
                    $count += $addBytes;
                }
            }
            return $str_val;
        }
    }
    /**
     * Writes a string to the end of file.
     *
     * @param string $str
     * @throws \ZendSearch\Lucene\Exception\InvalidArgumentException
     */
    public function writeString($str)
    {
        /**
         * This implementation supports only Basic Multilingual Plane
         * (BMP) characters (from 0x0000 to 0xFFFF) and doesn't support
         * "supplementary characters" (characters whose code points are
         * greater than 0xFFFF)
         * Java 2 represents these characters as a pair of char (16-bit)
         * values, the first from the high-surrogates range (0xD800-0xDBFF),
         * the second from the low-surrogates range (0xDC00-0xDFFF). Then
         * they are encoded as usual UTF-8 characters in six bytes.
         * Standard UTF-8 representation uses four bytes for supplementary
         * characters.
         */
        // convert input to a string before iterating string characters
        \settype($str, 'string');
        $chars = $strlen = \strlen($str);
        $containNullChars = \false;
        for ($count = 0; $count < $strlen; $count++) {
            /**
             * String is already in Java 2 representation.
             * We should only calculate actual string length and replace
             * \x00 by \xC0\x80
             */
            if ((\ord($str[$count]) & 0xc0) == 0xc0) {
                $addBytes = 1;
                if (\ord($str[$count]) & 0x20) {
                    $addBytes++;
                    // Never used. Java2 doesn't encode strings in four bytes
                    // and we dont't support non-BMP characters
                    if (\ord($str[$count]) & 0x10) {
                        $addBytes++;
                    }
                }
                $chars -= $addBytes;
                if (\ord($str[$count]) == 0) {
                    $containNullChars = \true;
                }
                $count += $addBytes;
            }
        }
        if ($chars < 0) {
            throw new Lucene\Exception\InvalidArgumentException('Invalid UTF-8 string');
        }
        $this->writeVInt($chars);
        if ($containNullChars) {
            $this->_fwrite(\str_replace($str, "\x00", "\xc0\x80"));
        } else {
            $this->_fwrite($str);
        }
    }
    /**
     * Reads binary data from the current position in the file
     * and advances the file pointer.
     *
     * @return string
     */
    public function readBinary()
    {
        return $this->_fread($this->readVInt());
    }
}
Name	Size	Permission
AbstractFile.php	11357 bytes	0644
FileInterface.php	4071 bytes	0644
Filesystem.php	5202 bytes	0644
Memory.php	16261 bytes	0644
File Content: AbstractFile.php

File Content: `AbstractFile.php`
