vzlogger/backend/lib/View/Json/Json.php
2010-07-20 21:27:53 +02:00

126 lines
No EOL
3.1 KiB
PHP

<?php
/*
* Copyright (c) 2010 by Justin Otherguy <justin@justinotherguy.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (either version 2 or
* version 3) as published by the Free Software Foundation.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* For more information on the GPL, please go to:
* http://www.gnu.org/copyleft/gpl.html
*/
namespace Volkszaehler\View\Json;
use Volkszaehler\Util;
abstract class Json extends \Volkszaehler\View\View {
protected $json = array();
/*
* constructor
*/
public function __construct(\Volkszaehler\View\Http\Request $request, \Volkszaehler\View\Http\Response $response) {
parent::__construct($request, $response);
$this->json['source'] = 'volkszaehler.org';
$this->json['version'] = \Volkszaehler\VERSION;
$this->response->setHeader('Content-type', 'application/json');
}
public function render() {
$json = json_encode($this->json);
if (Util\Debug::isActivated()) {
$json = self::format($json);
}
echo $json;
parent::render();
}
protected static function format($json) {
$formatted = '';
$indentLevel = 0;
$inString = false;
$len = strlen($json);
for($c = 0; $c < $len; $c++) {
$char = $json[$c];
switch($char) {
case '{':
case '[':
$formatted .= $char;
if (!$inString && (ord($json[$c+1]) != ord($char)+2)) {
$indentLevel++;
$formatted .= "\n" . str_repeat("\t", $indentLevel);
}
break;
case '}':
case ']':
if (!$inString && (ord($json[$c-1]) != ord($char)-2)) {
$indentLevel--;
$formatted .= "\n" . str_repeat("\t", $indentLevel);
}
$formatted .= $char;
break;
case ',':
$formatted .= $char;
if (!$inString) {
$formatted .= "\n" . str_repeat("\t", $indentLevel);
}
break;
case ':':
$formatted .= $char;
if (!$inString) {
$formatted .= ' ';
}
break;
case '"':
if ($c > 0 && $json[$c-1] != '\\') {
$inString = !$inString;
}
default:
$formatted .= $char;
break;
}
}
return $formatted;
}
public function addDebug(Util\Debug $debug) {
$this->json['debug'] = array(
'time' => $debug->getExecutionTime(),
'messages' => $debug->getMessages(),
'database' => array(
'driver' => Util\Configuration::read('db.driver'),
'queries' => $debug->getQueries()
)
);
}
public function addException(\Exception $exception) {
$this->json['exception'] = array(
'type' => get_class($exception),
'message' => $exception->getMessage(),
'code' => $exception->getCode(),
'file' => $exception->getFile(),
'line' => $exception->getLine(),
'trace' => $exception->getTrace()
);
}
}
?>