3 namespace CoreFramework\Output\Debug;
5 // Import framework stuff
6 use CoreFramework\Debug\Debugger;
7 use CoreFramework\Output\Debug\BaseDebugOutput;
10 * A debug output class for PHP's error_log() command
12 * @author Roland Haeder <webmaster@shipsimu.org>
14 * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2017 Core Developer Team
15 * @license GNU GPL 3.0 or any newer version
16 * @link http://www.shipsimu.org
18 * This program is free software: you can redistribute it and/or modify
19 * it under the terms of the GNU General Public License as published by
20 * the Free Software Foundation, either version 3 of the License, or
21 * (at your option) any later version.
23 * This program is distributed in the hope that it will be useful,
24 * but WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26 * GNU General Public License for more details.
28 * You should have received a copy of the GNU General Public License
29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
31 class DebugErrorLogOutput extends BaseDebugOutput implements Debugger, OutputStreamer {
33 * Protected constructor
37 protected function __construct () {
38 // Call parent constructor
39 parent::__construct(__CLASS__);
43 * Creates an instance of this class
45 * @return $debugInstance The prepared debug instance
47 public static final function createDebugErrorLogOutput () {
49 $debugInstance = new DebugErrorLogOutput();
52 return $debugInstance;
56 * Outputs the given data without HTML tags, ignores $stripTags
58 * @param $output The HTML'ed output
59 * @param $stripTags Whether HTML tags shall be stripped out
62 public final function outputStream ($output, $stripTags = FALSE) {
63 // Split multiple lines into and array to put them out line-by-line
64 $errorLines = explode(chr(10), $output);
66 // "Walk" through all lines
67 foreach ($errorLines as $err) {
68 // Trim any spaces, \n, \r etc. out
71 // Log only none-empty lines
74 error_log(html_entity_decode(strip_tags($err)), 0);
82 * @param $outStream Stream to output
83 * @param $stripTags Whether HTML tags shall be stripped out
86 public final function output ($outStream = FALSE, $stripTags = FALSE) {
87 // Empty output will be silently ignored
88 if ($outStream !== FALSE) {
89 $this->outputStream($outStream);
94 * Streams the data and maybe does something to it
96 * @param $data The data (string mostly) to "stream"
97 * @return $data The data (string mostly) to "stream"
98 * @throws UnsupportedOperationException If this method is called
100 public function streamData ($data) {
101 self::createDebugInstance(__CLASS__)->debugOutput('Unhandled ' . strlen($data) . ' bytes in this stream.');
102 throw new UnsupportedOperationException(array($this, __FUNCTION__), self::EXCEPTION_UNSPPORTED_OPERATION);
106 * Determines for seek position
108 * @return $seekPosition Current seek position
109 * @throws UnsupportedOperationException If this method is called
111 public function determineSeekPosition () {
112 throw new UnsupportedOperationException(array($this, __FUNCTION__), self::EXCEPTION_UNSPPORTED_OPERATION);
116 * Seek to given offset (default) or other possibilities as fseek() gives.
118 * @param $offset Offset to seek to (or used as "base" for other seeks)
119 * @param $whence Added to offset (default: only use offset to seek to)
120 * @return $status Status of file seek: 0 = success, -1 = failed
121 * @throws UnsupportedOperationException If this method is called
123 public function seek ($offset, $whence = SEEK_SET) {
124 self::createDebugInstance(__CLASS__)->debugOutput('[' . __METHOD__ . ':' . __LINE__ . '] offset=' . $offset . ',whence=' . $whence);
125 throw new UnsupportedOperationException(array($this, __FUNCTION__), self::EXCEPTION_UNSPPORTED_OPERATION);
131 * @return $size Size (in bytes) of file
132 * @throws UnsupportedOperationException If this method is called
134 public function size () {
135 throw new UnsupportedOperationException(array($this, __FUNCTION__), self::EXCEPTION_UNSPPORTED_OPERATION);