95 lines
3.1 KiB
PHP
95 lines
3.1 KiB
PHP
<?php
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/**
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* log4php is a PHP port of the log4j java logging package.
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*
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* <p>This framework is based on log4j (see {@link http://jakarta.apache.org/log4j log4j} for details).</p>
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* <p>Design, strategies and part of the methods documentation are developed by log4j team
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* (Ceki Gülcü as log4j project founder and
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* {@link http://jakarta.apache.org/log4j/docs/contributors.html contributors}).</p>
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*
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* <p>PHP port, extensions and modifications by VxR. All rights reserved.<br>
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* For more information, please see {@link http://www.vxr.it/log4php/}.</p>
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*
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* <p>This software is published under the terms of the LGPL License
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* a copy of which has been included with this distribution in the LICENSE file.</p>
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*
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* @package log4php
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* @subpackage helpers
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*/
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/**
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* @ignore
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*/
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if (!defined('LOG4PHP_DIR')) define('LOG4PHP_DIR', dirname(__FILE__) . '/..');
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define('LOG4PHP_LOGGER_TRANSFORM_CDATA_START', '<![CDATA[');
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define('LOG4PHP_LOGGER_TRANSFORM_CDATA_END', ']]>');
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define('LOG4PHP_LOGGER_TRANSFORM_CDATA_PSEUDO_END', ']]>');
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define('LOG4PHP_LOGGER_TRANSFORM_CDATA_EMBEDDED_END',
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LOG4PHP_LOGGER_TRANSFORM_CDATA_END .
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LOG4PHP_LOGGER_TRANSFORM_CDATA_PSEUDO_END .
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LOG4PHP_LOGGER_TRANSFORM_CDATA_START
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);
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/**
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* Utility class for transforming strings.
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*
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* @log4j-class org.apache.log4j.helpers.Transform
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*
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* @author VxR <vxr@vxr.it>
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* @package log4php
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* @subpackage helpers
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* @since 0.7
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*/
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class LoggerTransform {
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/**
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* This method takes a string which may contain HTML tags (ie,
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* <b>, <table>, etc) and replaces any '<' and '>'
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* characters with respective predefined entity references.
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*
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* @param string $input The text to be converted.
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* @return string The input string with the characters '<' and '>' replaced with
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* &lt; and &gt; respectively.
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* @static
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*/
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function escapeTags($input)
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{
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//Check if the string is null or zero length -- if so, return
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//what was sent in.
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if(empty($input))
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return $input;
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//Use a StringBuffer in lieu of String concatenation -- it is
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//much more efficient this way.
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return htmlspecialchars($input, ENT_NOQUOTES);
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}
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/**
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* Ensures that embeded CDEnd strings (]]>) are handled properly
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* within message, NDC and throwable tag text.
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*
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* @param string $buf String holding the XML data to this point. The
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* initial CDStart (<![CDATA[) and final CDEnd (]]>)
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* of the CDATA section are the responsibility of
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* the calling method.
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* @param string &str The String that is inserted into an existing
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* CDATA Section within buf.
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* @static
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*/
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function appendEscapingCDATA(&$buf, $str)
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{
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if(empty($str))
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return;
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$rStr = str_replace(
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LOG4PHP_LOGGER_TRANSFORM_CDATA_END,
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LOG4PHP_LOGGER_TRANSFORM_CDATA_EMBEDDED_END,
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$str
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);
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$buf .= $rStr;
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}
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}
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?>
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