source: branches/comu-ver2/data/module/log4php/php4/log4php/helpers/LoggerTransform.php @ 18220

Revision 18220, 3.2 KB checked in by yokkuns, 11 years ago (diff)

#149 ロガークラス作成

Line 
1<?php
2/**
3 * log4php is a PHP port of the log4j java logging package.
4 *
5 * <p>This framework is based on log4j (see {@link http://jakarta.apache.org/log4j log4j} for details).</p>
6 * <p>Design, strategies and part of the methods documentation are developed by log4j team
7 * (Ceki Gülcü as log4j project founder and
8 * {@link http://jakarta.apache.org/log4j/docs/contributors.html contributors}).</p>
9 *
10 * <p>PHP port, extensions and modifications by VxR. All rights reserved.<br>
11 * For more information, please see {@link http://www.vxr.it/log4php/}.</p>
12 *
13 * <p>This software is published under the terms of the LGPL License
14 * a copy of which has been included with this distribution in the LICENSE file.</p>
15 *
16 * @package log4php
17 * @subpackage helpers
18 */
19
20/**
21 * @ignore
22 */
23if (!defined('LOG4PHP_DIR')) define('LOG4PHP_DIR', dirname(__FILE__) . '/..');
24 
25define('LOG4PHP_LOGGER_TRANSFORM_CDATA_START',          '<![CDATA[');
26define('LOG4PHP_LOGGER_TRANSFORM_CDATA_END',            ']]>');
27define('LOG4PHP_LOGGER_TRANSFORM_CDATA_PSEUDO_END',     ']]&gt;');
28define('LOG4PHP_LOGGER_TRANSFORM_CDATA_EMBEDDED_END',   
29    LOG4PHP_LOGGER_TRANSFORM_CDATA_END .
30    LOG4PHP_LOGGER_TRANSFORM_CDATA_PSEUDO_END .
31    LOG4PHP_LOGGER_TRANSFORM_CDATA_START
32);
33
34/**
35 * Utility class for transforming strings.
36 *
37 * @log4j-class org.apache.log4j.helpers.Transform
38 *
39 * @author VxR <vxr@vxr.it>
40 * @package log4php
41 * @subpackage helpers
42 * @since 0.7
43 */
44class LoggerTransform {
45
46    /**
47    * This method takes a string which may contain HTML tags (ie,
48    * &lt;b&gt;, &lt;table&gt;, etc) and replaces any '&lt;' and '&gt;'
49    * characters with respective predefined entity references.
50    *
51    * @param string $input The text to be converted.
52    * @return string The input string with the characters '&lt;' and '&gt;' replaced with
53    *                &amp;lt; and &amp;gt; respectively.
54    * @static 
55    */
56    function escapeTags($input)
57    {
58        //Check if the string is null or zero length -- if so, return
59        //what was sent in.
60
61        if(empty($input))
62            return $input;
63
64        //Use a StringBuffer in lieu of String concatenation -- it is
65        //much more efficient this way.
66
67        return htmlspecialchars($input, ENT_NOQUOTES);
68    }
69
70    /**
71    * Ensures that embeded CDEnd strings (]]&gt;) are handled properly
72    * within message, NDC and throwable tag text.
73    *
74    * @param string $buf    String holding the XML data to this point.  The
75    *                       initial CDStart (<![CDATA[) and final CDEnd (]]>)
76    *                       of the CDATA section are the responsibility of
77    *                       the calling method.
78    * @param string &str    The String that is inserted into an existing
79    *                       CDATA Section within buf.
80    * @static 
81    */
82    function appendEscapingCDATA(&$buf, $str)
83    {
84        if(empty($str))
85            return;
86   
87        $rStr = str_replace(
88            LOG4PHP_LOGGER_TRANSFORM_CDATA_END,
89            LOG4PHP_LOGGER_TRANSFORM_CDATA_EMBEDDED_END,
90            $str
91        );
92        $buf .= $rStr;
93    }
94}
95?>
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