+
+
+ 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;
+ }