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 | if (!defined('LOG4PHP_LINE_SEP')) {
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26 | if (substr(php_uname(), 0, 7) == "Windows") {
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27 | /**
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28 | * @ignore
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29 | */
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30 | define('LOG4PHP_LINE_SEP', "\r\n");
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31 | } else {
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32 | /**
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33 | * @ignore
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34 | */
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35 | define('LOG4PHP_LINE_SEP', "\n");
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36 | }
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37 | }
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38 |
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39 | /**
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40 | */
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41 | require_once(LOG4PHP_DIR . '/helpers/LoggerPatternConverter.php');
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42 | require_once(LOG4PHP_DIR . '/helpers/LoggerFormattingInfo.php');
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43 | require_once(LOG4PHP_DIR . '/LoggerLog.php');
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44 |
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45 | define('LOG4PHP_LOGGER_PATTERN_PARSER_ESCAPE_CHAR', '%');
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46 |
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47 | define('LOG4PHP_LOGGER_PATTERN_PARSER_LITERAL_STATE', 0);
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48 | define('LOG4PHP_LOGGER_PATTERN_PARSER_CONVERTER_STATE', 1);
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49 | define('LOG4PHP_LOGGER_PATTERN_PARSER_MINUS_STATE', 2);
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50 | define('LOG4PHP_LOGGER_PATTERN_PARSER_DOT_STATE', 3);
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51 | define('LOG4PHP_LOGGER_PATTERN_PARSER_MIN_STATE', 4);
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52 | define('LOG4PHP_LOGGER_PATTERN_PARSER_MAX_STATE', 5);
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53 |
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54 | define('LOG4PHP_LOGGER_PATTERN_PARSER_FULL_LOCATION_CONVERTER', 1000);
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55 | define('LOG4PHP_LOGGER_PATTERN_PARSER_METHOD_LOCATION_CONVERTER', 1001);
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56 | define('LOG4PHP_LOGGER_PATTERN_PARSER_CLASS_LOCATION_CONVERTER', 1002);
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57 | define('LOG4PHP_LOGGER_PATTERN_PARSER_FILE_LOCATION_CONVERTER', 1003);
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58 | define('LOG4PHP_LOGGER_PATTERN_PARSER_LINE_LOCATION_CONVERTER', 1004);
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59 |
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60 | define('LOG4PHP_LOGGER_PATTERN_PARSER_RELATIVE_TIME_CONVERTER', 2000);
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61 | define('LOG4PHP_LOGGER_PATTERN_PARSER_THREAD_CONVERTER', 2001);
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62 | define('LOG4PHP_LOGGER_PATTERN_PARSER_LEVEL_CONVERTER', 2002);
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63 | define('LOG4PHP_LOGGER_PATTERN_PARSER_NDC_CONVERTER', 2003);
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64 | define('LOG4PHP_LOGGER_PATTERN_PARSER_MESSAGE_CONVERTER', 2004);
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65 |
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66 | define('LOG4PHP_LOGGER_PATTERN_PARSER_DATE_FORMAT_ISO8601', 'Y-m-d H:i:s,u');
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67 | define('LOG4PHP_LOGGER_PATTERN_PARSER_DATE_FORMAT_ABSOLUTE', 'H:i:s');
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68 | define('LOG4PHP_LOGGER_PATTERN_PARSER_DATE_FORMAT_DATE', 'd M Y H:i:s,u');
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69 |
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70 | /**
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71 | * Most of the work of the {@link LoggerPatternLayout} class
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72 | * is delegated to the {@link LoggerPatternParser} class.
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73 | *
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74 | * <p>It is this class that parses conversion patterns and creates
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75 | * a chained list of {@link LoggerPatternConverter} converters.</p>
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76 | *
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77 | * @author VxR <vxr@vxr.it>
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78 | * @version $Revision: 1.9 $
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79 | * @package log4php
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80 | * @subpackage helpers
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81 | *
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82 | * @since 0.3
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83 | */
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84 | class LoggerPatternParser {
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85 |
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86 | var $state;
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87 | var $currentLiteral;
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88 | var $patternLength;
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89 | var $i;
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90 |
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91 | /**
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92 | * @var LoggerPatternConverter
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93 | */
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94 | var $head = null;
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95 |
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96 | /**
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97 | * @var LoggerPatternConverter
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98 | */
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99 | var $tail = null;
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100 |
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101 | /**
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102 | * @var LoggerFormattingInfo
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103 | */
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104 | var $formattingInfo;
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105 |
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106 | /**
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107 | * @var string pattern to parse
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108 | */
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109 | var $pattern;
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110 |
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111 | /**
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112 | * Constructor
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113 | *
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114 | * @param string $pattern
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115 | */
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116 | function LoggerPatternParser($pattern)
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117 | {
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118 | LoggerLog::debug("LoggerPatternParser::LoggerPatternParser() pattern='$pattern'");
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119 |
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120 | $this->pattern = $pattern;
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121 | $this->patternLength = strlen($pattern);
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122 | $this->formattingInfo = new LoggerFormattingInfo();
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123 | $this->state = LOG4PHP_LOGGER_PATTERN_PARSER_LITERAL_STATE;
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124 | }
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125 |
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126 | /**
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127 | * @param LoggerPatternConverter $pc
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128 | */
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129 | function addToList($pc)
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130 | {
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131 | // LoggerLog::debug("LoggerPatternParser::addToList()");
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132 |
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133 | if($this->head == null) {
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134 | $this->head = $pc;
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135 | $this->tail =& $this->head;
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136 | } else {
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137 | $this->tail->next = $pc;
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138 | $this->tail =& $this->tail->next;
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139 | }
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140 | }
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141 |
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142 | /**
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143 | * @return string
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144 | */
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145 | function extractOption()
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146 | {
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147 | if(($this->i < $this->patternLength) and ($this->pattern{$this->i} == '{')) {
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148 | $end = strpos($this->pattern, '}' , $this->i);
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149 | if ($end !== false) {
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150 | $r = substr($this->pattern, ($this->i + 1), ($end - $this->i - 1));
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151 | $this->i= $end + 1;
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152 | return $r;
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153 | }
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154 | }
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155 | return null;
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156 | }
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157 |
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158 | /**
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159 | * The option is expected to be in decimal and positive. In case of
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160 | * error, zero is returned.
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161 | */
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162 | function extractPrecisionOption()
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163 | {
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164 | $opt = $this->extractOption();
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165 | $r = 0;
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166 | if ($opt !== null) {
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167 | if (is_numeric($opt)) {
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168 | $r = (int)$opt;
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169 | if($r <= 0) {
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170 | LoggerLog::warn("Precision option ({$opt}) isn't a positive integer.");
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171 | $r = 0;
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172 | }
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173 | } else {
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174 | LoggerLog::warn("Category option \"{$opt}\" not a decimal integer.");
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175 | }
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176 | }
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177 | return $r;
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178 | }
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179 |
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180 | function parse()
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181 | {
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182 | LoggerLog::debug("LoggerPatternParser::parse()");
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183 |
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184 | $c = '';
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185 | $this->i = 0;
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186 | $this->currentLiteral = '';
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187 | while ($this->i < $this->patternLength) {
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188 | $c = $this->pattern{$this->i++};
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189 | // LoggerLog::debug("LoggerPatternParser::parse() char is now '$c' and currentLiteral is '{$this->currentLiteral}'");
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190 | switch($this->state) {
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191 | case LOG4PHP_LOGGER_PATTERN_PARSER_LITERAL_STATE:
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192 | // LoggerLog::debug("LoggerPatternParser::parse() state is 'LOG4PHP_LOGGER_PATTERN_PARSER_LITERAL_STATE'");
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193 | // In literal state, the last char is always a literal.
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194 | if($this->i == $this->patternLength) {
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195 | $this->currentLiteral .= $c;
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196 | continue;
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197 | }
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198 | if($c == LOG4PHP_LOGGER_PATTERN_PARSER_ESCAPE_CHAR) {
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199 | // LoggerLog::debug("LoggerPatternParser::parse() char is an escape char");
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200 | // peek at the next char.
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201 | switch($this->pattern{$this->i}) {
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202 | case LOG4PHP_LOGGER_PATTERN_PARSER_ESCAPE_CHAR:
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203 | // LoggerLog::debug("LoggerPatternParser::parse() next char is an escape char");
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204 | $this->currentLiteral .= $c;
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205 | $this->i++; // move pointer
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206 | break;
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207 | case 'n':
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208 | // LoggerLog::debug("LoggerPatternParser::parse() next char is 'n'");
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209 | $this->currentLiteral .= LOG4PHP_LINE_SEP;
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210 | $this->i++; // move pointer
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211 | break;
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212 | default:
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213 | if(strlen($this->currentLiteral) != 0) {
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214 | $this->addToList(new LoggerLiteralPatternConverter($this->currentLiteral));
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215 | LoggerLog::debug("LoggerPatternParser::parse() Parsed LITERAL converter: \"{$this->currentLiteral}\".");
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216 | }
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217 | $this->currentLiteral = $c;
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218 | $this->state = LOG4PHP_LOGGER_PATTERN_PARSER_CONVERTER_STATE;
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219 | $this->formattingInfo->reset();
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220 | }
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221 | } else {
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222 | $this->currentLiteral .= $c;
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223 | }
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224 | break;
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225 | case LOG4PHP_LOGGER_PATTERN_PARSER_CONVERTER_STATE:
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226 | // LoggerLog::debug("LoggerPatternParser::parse() state is 'LOG4PHP_LOGGER_PATTERN_PARSER_CONVERTER_STATE'");
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227 | $this->currentLiteral .= $c;
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228 | switch($c) {
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229 | case '-':
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230 | $this->formattingInfo->leftAlign = true;
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231 | break;
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232 | case '.':
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233 | $this->state = LOG4PHP_LOGGER_PATTERN_PARSER_DOT_STATE;
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234 | break;
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235 | default:
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236 | if(ord($c) >= ord('0') and ord($c) <= ord('9')) {
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237 | $this->formattingInfo->min = ord($c) - ord('0');
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238 | $this->state = LOG4PHP_LOGGER_PATTERN_PARSER_MIN_STATE;
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239 | } else {
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240 | $this->finalizeConverter($c);
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241 | }
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242 | } // switch
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243 | break;
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244 | case LOG4PHP_LOGGER_PATTERN_PARSER_MIN_STATE:
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245 | // LoggerLog::debug("LoggerPatternParser::parse() state is 'LOG4PHP_LOGGER_PATTERN_PARSER_MIN_STATE'");
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246 | $this->currentLiteral .= $c;
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247 | if(ord($c) >= ord('0') and ord($c) <= ord('9')) {
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248 | $this->formattingInfo->min = ($this->formattingInfo->min * 10) + (ord(c) - ord('0'));
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249 | } elseif ($c == '.') {
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250 | $this->state = LOG4PHP_LOGGER_PATTERN_PARSER_DOT_STATE;
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251 | } else {
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252 | $this->finalizeConverter($c);
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253 | }
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254 | break;
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255 | case LOG4PHP_LOGGER_PATTERN_PARSER_DOT_STATE:
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256 | // LoggerLog::debug("LoggerPatternParser::parse() state is 'LOG4PHP_LOGGER_PATTERN_PARSER_DOT_STATE'");
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257 | $this->currentLiteral .= $c;
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258 | if(ord($c) >= ord('0') and ord($c) <= ord('9')) {
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259 | $this->formattingInfo->max = ord($c) - ord('0');
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260 | $this->state = LOG4PHP_LOGGER_PATTERN_PARSER_MAX_STATE;
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261 | } else {
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262 | LoggerLog::warn("LoggerPatternParser::parse() Error occured in position {$this->i}. Was expecting digit, instead got char \"{$c}\".");
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263 | $this->state = LOG4PHP_LOGGER_PATTERN_PARSER_LITERAL_STATE;
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264 | }
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265 | break;
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266 | case LOG4PHP_LOGGER_PATTERN_PARSER_MAX_STATE:
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267 | // LoggerLog::debug("LoggerPatternParser::parse() state is 'LOG4PHP_LOGGER_PATTERN_PARSER_MAX_STATE'");
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268 | $this->currentLiteral .= $c;
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269 | if(ord($c) >= ord('0') and ord($c) <= ord('9')) {
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270 | $this->formattingInfo->max = ($this->formattingInfo->max * 10) + (ord($c) - ord('0'));
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271 | } else {
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272 | $this->finalizeConverter($c);
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273 | $this->state = LOG4PHP_LOGGER_PATTERN_PARSER_LITERAL_STATE;
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274 | }
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275 | break;
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276 | } // switch
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277 | } // while
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278 | if(strlen($this->currentLiteral) != 0) {
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279 | $this->addToList(new LoggerLiteralPatternConverter($this->currentLiteral));
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280 | // LoggerLog::debug("LoggerPatternParser::parse() Parsed LITERAL converter: \"{$this->currentLiteral}\".");
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281 | }
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282 | return $this->head;
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283 | }
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284 |
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285 | function finalizeConverter($c)
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286 | {
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287 | LoggerLog::debug("LoggerPatternParser::finalizeConverter() with char '$c'");
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288 |
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289 | $pc = null;
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290 | switch($c) {
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291 | case 'c':
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292 | $pc = new LoggerCategoryPatternConverter($this->formattingInfo, $this->extractPrecisionOption());
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293 | LoggerLog::debug("LoggerPatternParser::finalizeConverter() CATEGORY converter.");
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294 | // $this->formattingInfo->dump();
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295 | $this->currentLiteral = '';
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296 | break;
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297 | case 'C':
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298 | $pc = new LoggerClassNamePatternConverter($this->formattingInfo, $this->extractPrecisionOption());
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299 | LoggerLog::debug("LoggerPatternParser::finalizeConverter() CLASSNAME converter.");
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300 | //$this->formattingInfo->dump();
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301 | $this->currentLiteral = '';
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302 | break;
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303 | case 'd':
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304 | $dateFormatStr = LOG4PHP_LOGGER_PATTERN_PARSER_DATE_FORMAT_ISO8601; // ISO8601_DATE_FORMAT;
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305 | $dOpt = $this->extractOption();
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306 |
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307 | if($dOpt !== null)
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308 | $dateFormatStr = $dOpt;
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309 |
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310 | if ($dateFormatStr == 'ISO8601') {
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311 | $df = LOG4PHP_LOGGER_PATTERN_PARSER_DATE_FORMAT_ISO8601;
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312 | } elseif($dateFormatStr == 'ABSOLUTE') {
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313 | $df = LOG4PHP_LOGGER_PATTERN_PARSER_DATE_FORMAT_ABSOLUTE;
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314 | } elseif($dateFormatStr == 'DATE') {
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315 | $df = LOG4PHP_LOGGER_PATTERN_PARSER_DATE_FORMAT_DATE;
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316 | } else {
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317 | $df = $dateFormatStr;
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318 | if ($df == null) {
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319 | $df = LOG4PHP_LOGGER_PATTERN_PARSER_DATE_FORMAT_ISO8601;
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320 | }
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321 | }
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322 | $pc = new LoggerDatePatternConverter($this->formattingInfo, $df);
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323 | $this->currentLiteral = '';
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324 | break;
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325 | case 'F':
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326 | $pc = new LoggerLocationPatternConverter($this->formattingInfo, LOG4PHP_LOGGER_PATTERN_PARSER_FILE_LOCATION_CONVERTER);
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327 | LoggerLog::debug("LoggerPatternParser::finalizeConverter() File name converter.");
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328 | //formattingInfo.dump();
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329 | $this->currentLiteral = '';
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330 | break;
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331 | case 'l':
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332 | $pc = new LoggerLocationPatternConverter($this->formattingInfo, LOG4PHP_LOGGER_PATTERN_PARSER_FULL_LOCATION_CONVERTER);
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333 | LoggerLog::debug("LoggerPatternParser::finalizeConverter() Location converter.");
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334 | //formattingInfo.dump();
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335 | $this->currentLiteral = '';
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336 | break;
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337 | case 'L':
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338 | $pc = new LoggerLocationPatternConverter($this->formattingInfo, LOG4PHP_LOGGER_PATTERN_PARSER_LINE_LOCATION_CONVERTER);
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339 | LoggerLog::debug("LoggerPatternParser::finalizeConverter() LINE NUMBER converter.");
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340 | //formattingInfo.dump();
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341 | $this->currentLiteral = '';
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342 | break;
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343 | case 'm':
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344 | $pc = new LoggerBasicPatternConverter($this->formattingInfo, LOG4PHP_LOGGER_PATTERN_PARSER_MESSAGE_CONVERTER);
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345 | LoggerLog::debug("LoggerPatternParser::finalizeConverter() MESSAGE converter.");
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346 | //formattingInfo.dump();
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347 | $this->currentLiteral = '';
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348 | break;
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349 | case 'M':
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350 | $pc = new LoggerLocationPatternConverter($this->formattingInfo, LOG4PHP_LOGGER_PATTERN_PARSER_METHOD_LOCATION_CONVERTER);
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351 | //LogLog.debug("METHOD converter.");
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352 | //formattingInfo.dump();
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353 | $this->currentLiteral = '';
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354 | break;
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355 | case 'p':
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356 | $pc = new LoggerBasicPatternConverter($this->formattingInfo, LOG4PHP_LOGGER_PATTERN_PARSER_LEVEL_CONVERTER);
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357 | //LogLog.debug("LEVEL converter.");
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358 | //formattingInfo.dump();
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359 | $this->currentLiteral = '';
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360 | break;
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361 | case 'r':
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362 | $pc = new LoggerBasicPatternConverter($this->formattingInfo, LOG4PHP_LOGGER_PATTERN_PARSER_RELATIVE_TIME_CONVERTER);
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363 | LoggerLog::debug("LoggerPatternParser::finalizeConverter() RELATIVE TIME converter.");
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364 | //formattingInfo.dump();
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365 | $this->currentLiteral = '';
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366 | break;
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367 | case 't':
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368 | $pc = new LoggerBasicPatternConverter($this->formattingInfo, LOG4PHP_LOGGER_PATTERN_PARSER_THREAD_CONVERTER);
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369 | LoggerLog::debug("LoggerPatternParser::finalizeConverter() THREAD converter.");
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370 | //formattingInfo.dump();
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371 | $this->currentLiteral = '';
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372 | break;
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373 | case 'u':
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374 | if($this->i < $this->patternLength) {
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375 | $cNext = $this->pattern{$this->i};
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376 | if(ord($cNext) >= ord('0') and ord($cNext) <= ord('9')) {
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377 | $pc = new LoggerUserFieldPatternConverter($this->formattingInfo, (string)(ord($cNext) - ord('0')));
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378 | LoggerLog::debug("LoggerPatternParser::finalizeConverter() USER converter [{$cNext}].");
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379 | // formattingInfo.dump();
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380 | $this->currentLiteral = '';
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381 | $this->i++;
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382 | } else {
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383 | LoggerLog::warn("LoggerPatternParser::finalizeConverter() Unexpected char '{$cNext}' at position {$this->i}.");
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384 | }
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385 | }
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386 | break;
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387 | case 'x':
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388 | $pc = new LoggerBasicPatternConverter($this->formattingInfo, LOG4PHP_LOGGER_PATTERN_PARSER_NDC_CONVERTER);
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389 | LoggerLog::debug("LoggerPatternParser::finalizeConverter() NDC converter.");
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390 | $this->currentLiteral = '';
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391 | break;
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392 |
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393 | case 'X':
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394 | $xOpt = $this->extractOption();
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395 | $pc = new LoggerMDCPatternConverter($this->formattingInfo, $xOpt);
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396 | LoggerLog::debug("LoggerPatternParser::finalizeConverter() MDC converter.");
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397 | $this->currentLiteral = '';
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398 | break;
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399 | default:
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400 | LoggerLog::warn("LoggerPatternParser::finalizeConverter() Unexpected char [$c] at position {$this->i} in conversion pattern.");
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401 | $pc = new LoggerLiteralPatternConverter($this->currentLiteral);
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402 | $this->currentLiteral = '';
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403 | }
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404 | $this->addConverter($pc);
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405 | }
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406 |
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407 | function addConverter($pc)
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408 | {
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409 | $this->currentLiteral = '';
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410 | // Add the pattern converter to the list.
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411 | $this->addToList($pc);
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412 | // Next pattern is assumed to be a literal.
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413 | $this->state = LOG4PHP_LOGGER_PATTERN_PARSER_LITERAL_STATE;
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414 | // Reset formatting info
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415 | $this->formattingInfo->reset();
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416 | }
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417 | }
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418 |
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419 | ?> |
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