X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/98a4d31e52bd56c908617df281730bd4ba58d110..refs/tags/wordpress-4.4:/wp-includes/pomo/streams.php

diff --git a/wp-includes/pomo/streams.php b/wp-includes/pomo/streams.php
index 6710746e..5e37c9c4 100644
--- a/wp-includes/pomo/streams.php
+++ b/wp-includes/pomo/streams.php
@@ -3,135 +3,313 @@
  * Classes, which help reading streams of data from files.
  * Based on the classes from Danilo Segan <danilo@kvota.net>
  *
- * @version $Id: streams.php 138 2009-06-23 13:22:09Z nbachiyski $
+ * @version $Id: streams.php 1157 2015-11-20 04:30:11Z dd32 $
  * @package pomo
  * @subpackage streams
  */
 
+if ( ! class_exists( 'POMO_Reader', false ) ):
+class POMO_Reader {
 
-/**
- * Provides file-like methods for manipulating a string instead
- * of a physical file.
- */
-class POMO_StringReader {
-  var $_pos;
-  var $_str;
+	var $endian = 'little';
+	var $_post = '';
 
-	function POMO_StringReader($str = '') {
-		$this->_str = $str;
-		$this->_pos = 0;
+	/**
+	 * PHP5 constructor.
+	 */
+	function __construct() {
 		$this->is_overloaded = ((ini_get("mbstring.func_overload") & 2) != 0) && function_exists('mb_substr');
+		$this->_pos = 0;
+	}
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function POMO_Reader() {
+		self::__construct();
+	}
+
+	/**
+	 * Sets the endianness of the file.
+	 *
+	 * @param $endian string 'big' or 'little'
+	 */
+	function setEndian($endian) {
+		$this->endian = $endian;
+	}
+
+	/**
+	 * Reads a 32bit Integer from the Stream
+	 *
+	 * @return mixed The integer, corresponding to the next 32 bits from
+	 * 	the stream of false if there are not enough bytes or on error
+	 */
+	function readint32() {
+		$bytes = $this->read(4);
+		if (4 != $this->strlen($bytes))
+			return false;
+		$endian_letter = ('big' == $this->endian)? 'N' : 'V';
+		$int = unpack($endian_letter, $bytes);
+		return reset( $int );
+	}
+
+	/**
+	 * Reads an array of 32-bit Integers from the Stream
+	 *
+	 * @param integer count How many elements should be read
+	 * @return mixed Array of integers or false if there isn't
+	 * 	enough data or on error
+	 */
+	function readint32array($count) {
+		$bytes = $this->read(4 * $count);
+		if (4*$count != $this->strlen($bytes))
+			return false;
+		$endian_letter = ('big' == $this->endian)? 'N' : 'V';
+		return unpack($endian_letter.$count, $bytes);
 	}
 
-	function _substr($string, $start, $length) {
+	/**
+	 * @param string $string
+	 * @param int    $start
+	 * @param int    $length
+	 * @return string
+	 */
+	function substr($string, $start, $length) {
 		if ($this->is_overloaded) {
-			return mb_substr($string,$start,$length,'ascii');
+			return mb_substr($string, $start, $length, 'ascii');
 		} else {
-			return substr($string,$start,$length);
+			return substr($string, $start, $length);
 		}
 	}
-	
-	function _strlen($string) {
+
+	/**
+	 * @param string $string
+	 * @return int
+	 */
+	function strlen($string) {
 		if ($this->is_overloaded) {
-			return mb_strlen($string,'ascii');
+			return mb_strlen($string, 'ascii');
 		} else {
 			return strlen($string);
 		}
 	}
 
+	/**
+	 * @param string $string
+	 * @param int    $chunk_size
+	 * @return array
+	 */
+	function str_split($string, $chunk_size) {
+		if (!function_exists('str_split')) {
+			$length = $this->strlen($string);
+			$out = array();
+			for ($i = 0; $i < $length; $i += $chunk_size)
+				$out[] = $this->substr($string, $i, $chunk_size);
+			return $out;
+		} else {
+			return str_split( $string, $chunk_size );
+		}
+	}
+
+	/**
+	 * @return int
+	 */
+	function pos() {
+		return $this->_pos;
+	}
+
+	/**
+	 * @return true
+	 */
+	function is_resource() {
+		return true;
+	}
+
+	/**
+	 * @return true
+	 */
+	function close() {
+		return true;
+	}
+}
+endif;
+
+if ( ! class_exists( 'POMO_FileReader', false ) ):
+class POMO_FileReader extends POMO_Reader {
+
+	/**
+	 * @param string $filename
+	 */
+	function __construct( $filename ) {
+		parent::POMO_Reader();
+		$this->_f = fopen($filename, 'rb');
+	}
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function POMO_FileReader( $filename ) {
+		self::__construct( $filename );
+	}
+
+	/**
+	 * @param int $bytes
+	 */
 	function read($bytes) {
-		$data = $this->_substr($this->_str, $this->_pos, $bytes);
+		return fread($this->_f, $bytes);
+	}
+
+	/**
+	 * @param int $pos
+	 * @return boolean
+	 */
+	function seekto($pos) {
+		if ( -1 == fseek($this->_f, $pos, SEEK_SET)) {
+			return false;
+		}
+		$this->_pos = $pos;
+		return true;
+	}
+
+	/**
+	 * @return bool
+	 */
+	function is_resource() {
+		return is_resource($this->_f);
+	}
+
+	/**
+	 * @return bool
+	 */
+	function feof() {
+		return feof($this->_f);
+	}
+
+	/**
+	 * @return bool
+	 */
+	function close() {
+		return fclose($this->_f);
+	}
+
+	/**
+	 * @return string
+	 */
+	function read_all() {
+		$all = '';
+		while ( !$this->feof() )
+			$all .= $this->read(4096);
+		return $all;
+	}
+}
+endif;
+
+if ( ! class_exists( 'POMO_StringReader', false ) ):
+/**
+ * Provides file-like methods for manipulating a string instead
+ * of a physical file.
+ */
+class POMO_StringReader extends POMO_Reader {
+
+	var $_str = '';
+
+	/**
+	 * PHP5 constructor.
+	 */
+	function __construct( $str = '' ) {
+		parent::POMO_Reader();
+		$this->_str = $str;
+		$this->_pos = 0;
+	}
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function POMO_StringReader( $str = '' ) {
+		self::__construct( $str );
+	}
+
+	/**
+	 * @param string $bytes
+	 * @return string
+	 */
+	function read($bytes) {
+		$data = $this->substr($this->_str, $this->_pos, $bytes);
 		$this->_pos += $bytes;
-		if ($this->_strlen($this->_str) < $this->_pos) $this->_pos = $this->_strlen($this->_str);
+		if ($this->strlen($this->_str) < $this->_pos) $this->_pos = $this->strlen($this->_str);
 		return $data;
 	}
 
+	/**
+	 * @param int $pos
+	 * @return int
+	 */
 	function seekto($pos) {
 		$this->_pos = $pos;
-		if ($this->_strlen($this->_str) < $this->_pos) $this->_pos = $this->_strlen($this->_str);
+		if ($this->strlen($this->_str) < $this->_pos) $this->_pos = $this->strlen($this->_str);
 		return $this->_pos;
 	}
 
-	function pos() {
-		return $this->_pos;
+	/**
+	 * @return int
+	 */
+	function length() {
+		return $this->strlen($this->_str);
 	}
 
-	function length() {
-		return $this->_strlen($this->_str);
+	/**
+	 * @return string
+	 */
+	function read_all() {
+		return $this->substr($this->_str, $this->_pos, $this->strlen($this->_str));
 	}
 
 }
+endif;
 
+if ( ! class_exists( 'POMO_CachedFileReader', false ) ):
 /**
  * Reads the contents of the file in the beginning.
  */
 class POMO_CachedFileReader extends POMO_StringReader {
-	function POMO_CachedFileReader($filename) {
+	/**
+	 * PHP5 constructor.
+	 */
+	function __construct( $filename ) {
 		parent::POMO_StringReader();
 		$this->_str = file_get_contents($filename);
 		if (false === $this->_str)
 			return false;
 		$this->_pos = 0;
 	}
+
+	/**
+	 * PHP4 constructor.
+	 */
+	public function POMO_CachedFileReader( $filename ) {
+		self::__construct( $filename );
+	}
 }
+endif;
 
+if ( ! class_exists( 'POMO_CachedIntFileReader', false ) ):
 /**
- * Allows reading integers from a file.
+ * Reads the contents of the file in the beginning.
  */
 class POMO_CachedIntFileReader extends POMO_CachedFileReader {
-
-	var $endian = 'little';
-
 	/**
-	 * Opens a file and caches it.
-	 *
-	 * @param $filename string name of the file to be opened
-	 * @param $endian string endianness of the words in the file, allowed
-	 * 	values are 'little' or 'big'. Default value is 'little'
+	 * PHP5 constructor.
 	 */
-	function POMO_CachedIntFileReader($filename, $endian = 'little') {
-		$this->endian = $endian;
+	public function __construct( $filename ) {
 		parent::POMO_CachedFileReader($filename);
 	}
 
 	/**
-	 * Sets the endianness of the file.
-	 *
-	 * @param $endian string 'big' or 'little'
-	 */
-	function setEndian($endian) {
-		$this->endian = $endian;
-	}
-
-	/**
-	 * Reads a 32bit Integer from the Stream
-	 *
-	 * @return mixed The integer, corresponding to the next 32 bits from
-	 * 	the stream of false if there are not enough bytes or on error
+	 * PHP4 constructor.
 	 */
-	function readint32() {
-		$bytes = $this->read(4);
-		if (4 != $this->_strlen($bytes))
-			return false;
-		$endian_letter = ('big' == $this->endian)? 'N' : 'V';
-		$int = unpack($endian_letter, $bytes);
-		return array_shift($int);
-	}
-
-	/**
-	 * Reads an array of 32-bit Integers from the Stream
-	 *
-	 * @param integer count How many elements should be read
-	 * @return mixed Array of integers or false if there isn't
-	 * 	enough data or on error
-	 */
-	function readint32array($count) {
-		$bytes = $this->read(4 * $count);
-		if (4*$count != $this->_strlen($bytes))
-			return false;
-		$endian_letter = ('big' == $this->endian)? 'N' : 'V';
-		return unpack($endian_letter.$count, $bytes);
+	function POMO_CachedIntFileReader( $filename ) {
+		self::__construct( $filename );
 	}
 }
+endif;
 
-?>