<?php
/**
 *  
 * @author  Benjamin Gillissen <hide@address.com>
 * 
 *	**************************************************************

	Copyright (C) 2009  Benjamin Gillissen
	
	This program is free software; you can redistribute it and/or
	modify it under the terms of the GNU General Public License
	as published by the Free Software Foundation; either version 2
	of the License, or (at your option) any later version.
	
	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details at:
	http://www.gnu.org/copyleft/gpl.html

 *	**************************************************************
 */

class error {
	
	private $msg, $lvl, $context, $backtrace, $file, $line;
	
	public function __construct($msg, $lvl, $context){
		$this->msg = $msg;
		$this->lvl = $lvl;
		$this->context = $context;
		$this->build_backtrace();
		$this->file = $this->detectfile();
		$this->line = $this->detectline();
	}
	
	public function __destruct(){
		//echo "error destruction...\n";
		unset($this->msg, $this->lvl, $this->context,$this->file,$this->line,$this->backtrace, $this);
	}
	
	public function __toString(){ return "[ERR2STR]".$this->file.":".$this->line."=>".$this->msg; }
	
	
	
	public function getmsg(){ return $this->msg; }
	
	public function getlvl(){ return $this->lvl; }
	
	public function getcontext(){ return $this->context; }
	
	public function getline(){ return $this->line; }
	
	public function getfile(){ return $this->file; }
	
	public function getbacktrace(){	return $this->backtrace; }

	private function detectfile(){ 
		if ( isset($this->backtrace[2]['file']) ){
			return basename($this->backtrace[2]['file']);
		} else {
			return 'n-a';
		}
	}
	
	private function detectline(){
		if ( isset($this->backtrace[2]['line']) ){
			return $this->backtrace[2]['line'];
		} else {
			return 'n-a';
		}
	}
	
	private function build_backtrace(){ 
		$backtrace = debug_backtrace();
		foreach( $backtrace as $k => $entry ){
			if ( !isset($entry['file']) ){
				$bt[$k]['file']	= 'PHPBuilt-in';
				$bt[$k]['line']	= 'n/a';
			} else {
				$bt[$k]['file']	= $entry['file'];
				$bt[$k]['line']	= $entry['line'];
			}
			$bt[$k]['function'] = '';
			if ( isset($entry['function']) ){ $bt[$k]['function'] = $entry['function']; }
			if ( ! isset($entry['class']) ){
				$bt[$k]['class'] = '';
				$bt[$k]['type'] = '';
			} else {
				$bt[$k]['class'] = $entry['class'];
				$bt[$k]['type']	 = $entry['type'];
			}
			if ( ! isset($entry['args']) ){
				$entry['args'] = Array();
			} elseif ( ! is_array($entry['args']) ){
				$entry['args'] = Array();
			}
			$bt[$k]['args'] = Array();
			foreach($entry['args'] as $a => $arg){
				$b=$arg;
				if ( is_object($arg) ){ $b = 'Object('.get_class($arg).')'; }
				if ( is_array($arg) ) { $b = 'Array';}
				if ( strlen($b) >= 255 ){ $b = 'String('.strlen($arg).')'; } //=substr($b, 0, 27).'...'; }
				$bt[$k]['args'][$a] = $b; 
			}
		}
		unset($backtrace);
		$this->backtrace = $bt;
	}
	
	public function setline($line){	$this->line = $line; }
	
	public function setfile($file){	$this->file = $file; }
}