row.class.php

<?php

## PHP Version of osfameron's fixed width table parser
## http://github.com/osfameron/misc-opensource/tree/7317cbb59edb0ec9a5e023049d7c6b423d453d7f/parse-table

class row{
	
	private $_cols = array();
	private $_parsed = array();
	private $_params = array();
	

	private function __get($name){
		if (!isset($this->_parsed[$name])){
			throw new dataMissingException();
		}
		return $this->get($name);
	}

	public function setParam($type, $val){
		$this->_params[$type] = $val;
	}

	public function addCol($name, array $range, $type){
		if ($range[0] > $range[1]){ throw new invalidRangeException(); }
		
		// Make substr mirror other implementations
		$range[1] = $range[1] - $range[0];
		
		$this->_cols[$name] = array($range, $type) ;
	}
	
	public function parse($str){
		foreach ($this->_cols as $name => $details){
			$range = $details[0]; $type= $details[1];
			$val = substr($str, $range[0], $range[1]);
			
			if ($this->checkType($val) != $type){ throw new invalidTypeException(); }
			$this->_parsed[$name]['val'] = $val;
			$this->_parsed[$name]['type'] = $type;
		}
	}
	
	public function get($key){
		return $this->_parsed[$key]['val'];
	}
	
	public function type($key){
		return $this->_parsed[$key]['type'];
	}
	
	private function checkType($str){
		
		$d = date($this->_params['dateformat'], strtotime($str));
		if ($d == $str){ return "date"; }
		
		if (is_numeric($str)){ return "numeric"; } 
		if ( ($str == 'true') || ($str == 'false') ){ return "boolean"; }
		
		return "string";
		
	}
	
}

// Initialise the object
$r = new row();

// Set Date Format
$r->setParam("dateformat", "d-m-Y");

// Add column boundaries and types
$r->addCol('first', array(0,7), "string");
$r->addCol('last', array(8,12), "string");
$r->addCol('date', array(13,23), "date");

$r->parse("Michael Heap 18-03-2009");


// Lets's see what comes out
echo $r->first; # Michael
echo $r->get('first'); # Michael
echo $r->last; # Heap
echo $r->get('last'); # Heap
echo $r->get('date'); # 18-03-2009
echo $r->date .' | '.$r->type('date'); # 18-03-2009 | date

echo $r->nothere; # Fatal error: Class 'dataMissingException' not found (Exceptions Need Creating)

?>