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