File: include/core/WAThrowable.lib

<?php

/*
    WAThrowable.lib, DomCore, the WebAbility(r) Core System
    Contains the basic class to throw any error or exception
    (c) 2008-2012 Philippe Thomassigny

    This file is part of DomCore

    DomCore 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 3 of the License, or
    (at your option) any later version.

    DomCore 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.

    You should have received a copy of the GNU General Public License
    along with DomCore.  If not, see <http://www.gnu.org/licenses/>.
*/

/* @UML_Box
|------------------------------------------------------------------|
| WAThrowable: Error and exception base class.                     |
|------------------------------------------------------------------|
| - $trace: string                                                 |
| + $message: string                                               |
|------------------------------------------------------------------|
| + new Throwable($message: string)                                |
| + __toString(): string                                           |
|------------------------------------------------------------------|
@End_UML_Box */


class WAThrowable extends Exception
{
  private $trace = null;
  public $message = null;

  function __construct($message = null)
  {
    $this->message = $message;
    $this->trace = debug_backtrace();
  }

  public function __toString()
  {
    if (WADebug::getHTMLAPI())
    {
      $error = <<<EOF
<table border="1"><tr><td bgcolor="#fdd"><b>ERROR: </b></td><td bgcolor="#fdd">$this->message</td></tr>
<tr><td><b>THROWN: </b></td><td>$this->file (<b>$this->line</b>)</td></tr>
<tr><td valign="top"><b>TRACE: </b></td><td valign="top">
EOF;
      foreach($this->trace as $k => $t)
      {
        if ($k) // we dont write 1rst errror since it is where we threw the object
          $error .= (isset($t['file'])?$t['file']:'No file').' (<b>'.(isset($t['line'])?$t['line']:'No line').'</b>) :: calling <font color="blue">'.(isset($t['class'])?$t['class']:'').(isset($t['type'])?$t['type']:'').(isset($t['function'])?$t['function']:'No function').'</font><br />'.PHP_EOL;
      }
      $error .= '</td></tr>'.PHP_EOL.'</table>';
      return $error;
    }
    $error = "ERROR: $this->message".PHP_EOL."THROWN: $this->file ($this->line)".PHP_EOL."TRACE:".PHP_EOL;
    foreach($this->trace as $k => $t)
    {
      if ($k) // we dont write 1rst errror since it is where we threw the object
        $error .= (isset($t['file'])?$t['file']:'No file').' ('.(isset($t['line'])?$t['line']:'No line').') :: calling '.(isset($t['class'])?$t['class']:'').(isset($t['type'])?$t['type']:'').(isset($t['function'])?$t['function']:'No function').PHP_EOL;
    }
    return $error;
  }
}

?>