]> scripts.mit.edu Git - autoinstalls/wordpress.git/blobdiff - wp-includes/pomo/streams.php
WordPress 4.4
[autoinstalls/wordpress.git] / wp-includes / pomo / streams.php
index 3b0241af4c45ad78744ced59f2aa335a69a5096d..5e37c9c41203900323261fbd119c3a3418e6e27b 100644 (file)
@@ -3,80 +3,30 @@
  * Classes, which help reading streams of data from files.
  * Based on the classes from Danilo Segan <danilo@kvota.net>
  *
  * Classes, which help reading streams of data from files.
  * Based on the classes from Danilo Segan <danilo@kvota.net>
  *
- * @version $Id: streams.php 33 2009-02-16 09:33:39Z nbachiyski $
+ * @version $Id: streams.php 1157 2015-11-20 04:30:11Z dd32 $
  * @package pomo
  * @subpackage streams
  */
 
  * @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 $_str;
-
-  function POMO_StringReader($str = '') {
-    $this->_str = $str;
-    $this->_pos = 0;
-  }
-
-  function read($bytes) {
-    $data = substr($this->_str, $this->_pos, $bytes);
-    $this->_pos += $bytes;
-    if (strlen($this->_str)<$this->_pos)
-      $this->_pos = strlen($this->_str);
-
-    return $data;
-  }
-
-  function seekto($pos) {
-    $this->_pos = $pos;
-    if (strlen($this->_str)<$this->_pos)
-      $this->_pos = strlen($this->_str);
-    return $this->_pos;
-  }
-
-  function pos() {
-    return $this->_pos;
-  }
-
-  function length() {
-    return strlen($this->_str);
-  }
-
-}
+       var $endian = 'little';
+       var $_post = '';
 
 
-/**
- * Reads the contents of the file in the beginning.
- */
-class POMO_CachedFileReader extends POMO_StringReader {
-       function POMO_CachedFileReader($filename) {
-               $this->_str = file_get_contents($filename);
-               if (false === $this->_str)
-                       return false;
-               $this->pos = 0;
+       /**
+        * PHP5 constructor.
+        */
+       function __construct() {
+               $this->is_overloaded = ((ini_get("mbstring.func_overload") & 2) != 0) && function_exists('mb_substr');
+               $this->_pos = 0;
        }
        }
-}
-
-/**
- * Allows reading integers from a file.
- */
-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 $endian string endianness of the words in the file, allowed
-        *      values are 'little' or 'big'. Default value is 'little'
+        * PHP4 constructor.
         */
         */
-       function POMO_CachedIntFileReader($filename, $endian = 'little') {
-               $this->endian = $endian;
-               parent::POMO_CachedFileReader($filename);
+       public function POMO_Reader() {
+               self::__construct();
        }
 
        /**
        }
 
        /**
@@ -96,11 +46,11 @@ class POMO_CachedIntFileReader extends POMO_CachedFileReader {
         */
        function readint32() {
                $bytes = $this->read(4);
         */
        function readint32() {
                $bytes = $this->read(4);
-               if (4 != strlen($bytes))
+               if (4 != $this->strlen($bytes))
                        return false;
                $endian_letter = ('big' == $this->endian)? 'N' : 'V';
                $int = unpack($endian_letter, $bytes);
                        return false;
                $endian_letter = ('big' == $this->endian)? 'N' : 'V';
                $int = unpack($endian_letter, $bytes);
-               return array_shift($int);
+               return reset( $int );
        }
 
        /**
        }
 
        /**
@@ -112,11 +62,254 @@ class POMO_CachedIntFileReader extends POMO_CachedFileReader {
         */
        function readint32array($count) {
                $bytes = $this->read(4 * $count);
         */
        function readint32array($count) {
                $bytes = $this->read(4 * $count);
-               if (4*$count != strlen($bytes))
+               if (4*$count != $this->strlen($bytes))
                        return false;
                $endian_letter = ('big' == $this->endian)? 'N' : 'V';
                return unpack($endian_letter.$count, $bytes);
        }
                        return false;
                $endian_letter = ('big' == $this->endian)? 'N' : 'V';
                return unpack($endian_letter.$count, $bytes);
        }
+
+       /**
+        * @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, $length, 'ascii');
+               } else {
+                       return substr($string, $start, $length);
+               }
+       }
+
+       /**
+        * @param string $string
+        * @return int
+        */
+       function strlen($string) {
+               if ($this->is_overloaded) {
+                       return mb_strlen($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) {
+               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);
+               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);
+               return $this->_pos;
+       }
+
+       /**
+        * @return int
+        */
+       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 {
+       /**
+        * 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 ) ):
+/**
+ * Reads the contents of the file in the beginning.
+ */
+class POMO_CachedIntFileReader extends POMO_CachedFileReader {
+       /**
+        * PHP5 constructor.
+        */
+       public function __construct( $filename ) {
+               parent::POMO_CachedFileReader($filename);
+       }
+
+       /**
+        * PHP4 constructor.
+        */
+       function POMO_CachedIntFileReader( $filename ) {
+               self::__construct( $filename );
+       }
 }
 }
+endif;
 
 
-?>