POMO_StringReader

Provides file-like methods for manipulating a string instead of a physical file.


Description Description


Source Source

File: wp-includes/pomo/streams.php

	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 ) );
		}

	}


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