<?php
/* $Id$ */
namespace Mammut\IO;

use Mammut\Exception\IllegalStateException;
(defined('MAMMUT') && (basename(__FILE__) != basename($_SERVER['PHP_SELF']))) or die('ACCESS DENIED');

/**
 * CSV file io class
 *
 * Note: Could work with stream wrappers, but is unsupported!
 *
 * @author Stefan Daurer <s.daurer@q-spot.org>
 * @package Mammut\IO
 */
class CSVFile extends Textfile {
	const _VERSION_ = '0.5.0.2';

	protected $delimiter = ',';
	protected $enclosure = '"';
	
	/**
	 * Create a new CSV file object
	 *
	 * @param string $path
	 *        	the path of the object
	 */
	public function __construct($path, $delimiter = ',' , $enclosure = '"', $ro = false) {
		parent::__construct($path, $ro);
		$this->delimiter = $delimiter;
		$this->enclosure = $enclosure;
	}
	
	public function readCSV() {
		if (!$this->isOpen())
			throw new IllegalStateException("file not opened");
		if ($this->isEOF())
			return false;

		$this->skipBOM();
		
		// TODO: support other delimiter and enclosure
		// array fgetcsv ( resource $handle [, int $length = 0 [, string $delimiter = ',' [, string $enclosure = '"' [, string $escape = '\\' ]]]] )
		$data = fgetcsv($this->fp, 0, $this->delimiter, $this->enclosure);
		return $data;
	}
	
	public function writeCSV(array $data) {
		fputcsv($this->fp, $data, $this->delimiter, $this->enclosure);
	}
	
}