--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/wp-includes/pomo/streams.php	Wed Feb 03 15:37:20 2010 +0000
@@ -0,0 +1,209 @@
+<?php
+/**
+ * Classes, which help reading streams of data from files.
+ * Based on the classes from Danilo Segan <danilo@kvota.net>
+ *
+ * @version $Id: streams.php 293 2009-11-12 15:43:50Z nbachiyski $
+ * @package pomo
+ * @subpackage streams
+ */
+
+if ( !class_exists( 'POMO_Reader' ) ):
+class POMO_Reader {
+	
+	var $endian = 'little';
+	var $_post = '';
+	
+	function POMO_Reader() {
+		$this->is_overloaded = ((ini_get("mbstring.func_overload") & 2) != 0) && function_exists('mb_substr');
+		$this->_pos = 0;
+	}
+	
+	/**
+	 * 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, $bytes);
+		return array_shift($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, $bytes);
+	}
+	
+	
+	function substr($string, $start, $length) {
+		if ($this->is_overloaded) {
+			return mb_substr($string, $start, $length, 'ascii');
+		} else {
+			return substr($string, $start, $length);
+		}
+	}
+	
+	function strlen($string) {
+		if ($this->is_overloaded) {
+			return mb_strlen($string, 'ascii');
+		} else {
+			return strlen($string);
+		}
+	}
+	
+	function str_split($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 );
+		}
+	}
+	
+		
+	function pos() {
+		return $this->_pos;
+	}
+
+	function is_resource() {
+		return true;
+	}
+	
+	function close() {
+		return true;
+	}
+}
+endif;
+
+if ( !class_exists( 'POMO_FileReader' ) ):
+class POMO_FileReader extends POMO_Reader {
+	function POMO_FileReader($filename) {
+		parent::POMO_Reader();
+		$this->_f = fopen($filename, 'r');
+	}
+	
+	function read($bytes) {
+		return fread($this->_f, $bytes);
+	}
+	
+	function seekto($pos) {
+		if ( -1 == fseek($this->_f, $pos, SEEK_SET)) {
+			return false;
+		}
+		$this->_pos = $pos;
+		return true;
+	}
+	
+	function is_resource() {
+		return is_resource($this->_f);
+	}
+	
+	function feof() {
+		return feof($this->_f);
+	}
+	
+	function close() {
+		return fclose($this->_f);
+	}
+	
+	function read_all() {
+		$all = '';
+		while ( !$this->feof() )
+			$all .= $this->read(4096);
+		return $all;
+	}
+}
+endif;
+
+if ( !class_exists( 'POMO_StringReader' ) ):
+/**
+ * Provides file-like methods for manipulating a string instead
+ * of a physical file.
+ */
+class POMO_StringReader extends POMO_Reader {
+	
+	var $_str = '';
+	
+	function POMO_StringReader($str = '') {
+		parent::POMO_Reader();
+		$this->_str = $str;
+		$this->_pos = 0;
+	}
+
+
+	function read($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);
+		return $data;
+	}
+
+	function seekto($pos) {
+		$this->_pos = $pos;
+		if ($this->strlen($this->_str) < $this->_pos) $this->_pos = $this->strlen($this->_str);
+		return $this->_pos;
+	}
+
+	function length() {
+		return $this->strlen($this->_str);
+	}
+
+	function read_all() {
+		return $this->substr($this->_str, $this->_pos, $this->strlen($this->_str));
+	}
+	
+}
+endif;
+
+if ( !class_exists( 'POMO_CachedFileReader' ) ):
+/**
+ * Reads the contents of the file in the beginning.
+ */
+class POMO_CachedFileReader extends POMO_StringReader {
+	function POMO_CachedFileReader($filename) {
+		parent::POMO_StringReader();
+		$this->_str = file_get_contents($filename);
+		if (false === $this->_str)
+			return false;
+		$this->_pos = 0;
+	}
+}
+endif;
+
+if ( !class_exists( 'POMO_CachedIntFileReader' ) ):
+/**
+ * Reads the contents of the file in the beginning.
+ */
+class POMO_CachedIntFileReader extends POMO_CachedFileReader {
+	function POMO_CachedIntFileReader($filename) {
+		parent::POMO_CachedFileReader($filename);
+	}
+}
+endif;
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