* 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 $
+ * @version $Id: streams.php 1157 2015-11-20 04:30:11Z dd32 $
* @package pomo
* @subpackage streams
*/
-if ( !class_exists( 'POMO_Reader' ) ):
+if ( ! class_exists( 'POMO_Reader', false ) ):
class POMO_Reader {
-
+
var $endian = 'little';
var $_post = '';
-
- function POMO_Reader() {
+
+ /**
+ * 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.
*
return false;
$endian_letter = ('big' == $this->endian)? 'N' : 'V';
$int = unpack($endian_letter, $bytes);
- return array_shift($int);
+ return reset( $int );
}
/**
$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, $length, 'ascii');
return substr($string, $start, $length);
}
}
-
+
+ /**
+ * @param string $string
+ * @return int
+ */
function strlen($string) {
if ($this->is_overloaded) {
return mb_strlen($string, 'ascii');
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);
return str_split( $string, $chunk_size );
}
}
-
-
+
+ /**
+ * @return int
+ */
function pos() {
return $this->_pos;
}
+ /**
+ * @return true
+ */
function is_resource() {
return true;
}
-
+
+ /**
+ * @return true
+ */
function close() {
return true;
}
}
endif;
-if ( !class_exists( 'POMO_FileReader' ) ):
+if ( ! class_exists( 'POMO_FileReader', false ) ):
class POMO_FileReader extends POMO_Reader {
- function POMO_FileReader($filename) {
+
+ /**
+ * @param string $filename
+ */
+ function __construct( $filename ) {
parent::POMO_Reader();
- $this->_f = fopen($filename, 'r');
+ $this->_f = fopen($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() )
}
endif;
-if ( !class_exists( 'POMO_StringReader' ) ):
+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 $_str = '';
-
- function POMO_StringReader($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;
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' ) ):
+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( $filename );
+ }
}
endif;
-if ( !class_exists( 'POMO_CachedIntFileReader' ) ):
+if ( ! class_exists( 'POMO_CachedIntFileReader', false ) ):
/**
* Reads the contents of the file in the beginning.
*/
class POMO_CachedIntFileReader extends POMO_CachedFileReader {
- function POMO_CachedIntFileReader($filename) {
+ /**
+ * PHP5 constructor.
+ */
+ public function __construct( $filename ) {
parent::POMO_CachedFileReader($filename);
}
+
+ /**
+ * PHP4 constructor.
+ */
+ function POMO_CachedIntFileReader( $filename ) {
+ self::__construct( $filename );
+ }
}
-endif;
\ No newline at end of file
+endif;
+
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