[18220] | 1 | <?php |
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| 2 | /** |
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| 3 | * Licensed to the Apache Software Foundation (ASF) under one or more |
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| 4 | * contributor license agreements. See the NOTICE file distributed with |
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| 5 | * this work for additional information regarding copyright ownership. |
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| 6 | * The ASF licenses this file to You under the Apache License, Version 2.0 |
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| 7 | * (the "License"); you may not use this file except in compliance with |
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| 8 | * the License. You may obtain a copy of the License at |
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| 9 | * |
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| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 11 | * |
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| 12 | * Unless required by applicable law or agreed to in writing, software |
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| 13 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 15 | * See the License for the specific language governing permissions and |
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| 16 | * limitations under the License. |
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| 17 | * |
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| 18 | * |
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| 19 | * @package log4php |
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| 20 | * @subpackage helpers |
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| 21 | */ |
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| 22 | |
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| 23 | /** |
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| 24 | * @ignore |
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| 25 | */ |
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| 26 | if (!defined('LOG4PHP_DIR')) define('LOG4PHP_DIR', dirname(__FILE__) . '/..'); |
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| 27 | |
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| 28 | if (!defined('LOG4PHP_LINE_SEP')) { |
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| 29 | if (substr(php_uname(), 0, 7) == "Windows") { |
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| 30 | /** |
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| 31 | * @ignore |
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| 32 | */ |
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| 33 | define('LOG4PHP_LINE_SEP', "\r\n"); |
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| 34 | } else { |
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| 35 | /** |
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| 36 | * @ignore |
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| 37 | */ |
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| 38 | define('LOG4PHP_LINE_SEP', "\n"); |
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| 39 | } |
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| 40 | } |
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| 41 | |
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| 42 | /** |
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| 43 | */ |
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| 44 | require_once(LOG4PHP_DIR . '/helpers/LoggerFormattingInfo.php'); |
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| 45 | require_once(LOG4PHP_DIR . '/helpers/LoggerPatternConverter.php'); |
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| 46 | require_once(LOG4PHP_DIR . '/LoggerLog.php'); |
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| 47 | |
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| 48 | define('LOG4PHP_LOGGER_PATTERN_PARSER_ESCAPE_CHAR', '%'); |
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| 49 | |
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| 50 | define('LOG4PHP_LOGGER_PATTERN_PARSER_LITERAL_STATE', 0); |
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| 51 | define('LOG4PHP_LOGGER_PATTERN_PARSER_CONVERTER_STATE', 1); |
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| 52 | define('LOG4PHP_LOGGER_PATTERN_PARSER_MINUS_STATE', 2); |
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| 53 | define('LOG4PHP_LOGGER_PATTERN_PARSER_DOT_STATE', 3); |
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| 54 | define('LOG4PHP_LOGGER_PATTERN_PARSER_MIN_STATE', 4); |
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| 55 | define('LOG4PHP_LOGGER_PATTERN_PARSER_MAX_STATE', 5); |
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| 56 | |
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| 57 | define('LOG4PHP_LOGGER_PATTERN_PARSER_FULL_LOCATION_CONVERTER', 1000); |
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| 58 | define('LOG4PHP_LOGGER_PATTERN_PARSER_METHOD_LOCATION_CONVERTER', 1001); |
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| 59 | define('LOG4PHP_LOGGER_PATTERN_PARSER_CLASS_LOCATION_CONVERTER', 1002); |
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| 60 | define('LOG4PHP_LOGGER_PATTERN_PARSER_FILE_LOCATION_CONVERTER', 1003); |
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| 61 | define('LOG4PHP_LOGGER_PATTERN_PARSER_LINE_LOCATION_CONVERTER', 1004); |
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| 62 | |
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| 63 | define('LOG4PHP_LOGGER_PATTERN_PARSER_RELATIVE_TIME_CONVERTER', 2000); |
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| 64 | define('LOG4PHP_LOGGER_PATTERN_PARSER_THREAD_CONVERTER', 2001); |
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| 65 | define('LOG4PHP_LOGGER_PATTERN_PARSER_LEVEL_CONVERTER', 2002); |
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| 66 | define('LOG4PHP_LOGGER_PATTERN_PARSER_NDC_CONVERTER', 2003); |
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| 67 | define('LOG4PHP_LOGGER_PATTERN_PARSER_MESSAGE_CONVERTER', 2004); |
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| 68 | |
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| 69 | define('LOG4PHP_LOGGER_PATTERN_PARSER_DATE_FORMAT_ISO8601', 'Y-m-d H:i:s,u'); |
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| 70 | define('LOG4PHP_LOGGER_PATTERN_PARSER_DATE_FORMAT_ABSOLUTE', 'H:i:s'); |
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| 71 | define('LOG4PHP_LOGGER_PATTERN_PARSER_DATE_FORMAT_DATE', 'd M Y H:i:s,u'); |
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| 72 | |
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| 73 | /** |
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| 74 | * Most of the work of the {@link LoggerPatternLayout} class |
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| 75 | * is delegated to the {@link LoggerPatternParser} class. |
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| 76 | * |
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| 77 | * <p>It is this class that parses conversion patterns and creates |
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| 78 | * a chained list of {@link LoggerPatternConverter} converters.</p> |
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| 79 | * |
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| 80 | * @author Marco Vassura |
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| 81 | * @version $Revision: 635069 $ |
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| 82 | * @package log4php |
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| 83 | * @subpackage helpers |
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| 84 | * |
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| 85 | * @since 0.3 |
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| 86 | */ |
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| 87 | class LoggerPatternParser { |
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| 88 | |
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| 89 | var $state; |
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| 90 | var $currentLiteral; |
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| 91 | var $patternLength; |
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| 92 | var $i; |
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| 93 | |
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| 94 | /** |
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| 95 | * @var LoggerPatternConverter |
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| 96 | */ |
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| 97 | var $head = null; |
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| 98 | |
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| 99 | /** |
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| 100 | * @var LoggerPatternConverter |
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| 101 | */ |
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| 102 | var $tail = null; |
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| 103 | |
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| 104 | /** |
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| 105 | * @var LoggerFormattingInfo |
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| 106 | */ |
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| 107 | var $formattingInfo; |
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| 108 | |
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| 109 | /** |
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| 110 | * @var string pattern to parse |
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| 111 | */ |
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| 112 | var $pattern; |
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| 113 | |
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| 114 | /** |
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| 115 | * Constructor |
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| 116 | * |
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| 117 | * @param string $pattern |
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| 118 | */ |
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| 119 | function LoggerPatternParser($pattern) |
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| 120 | { |
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| 121 | LoggerLog::debug("LoggerPatternParser::LoggerPatternParser() pattern='$pattern'"); |
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| 122 | |
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| 123 | $this->pattern = $pattern; |
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| 124 | $this->patternLength = strlen($pattern); |
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| 125 | $this->formattingInfo = new LoggerFormattingInfo(); |
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| 126 | $this->state = LOG4PHP_LOGGER_PATTERN_PARSER_LITERAL_STATE; |
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| 127 | } |
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| 128 | |
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| 129 | /** |
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| 130 | * @param LoggerPatternConverter $pc |
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| 131 | */ |
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| 132 | function addToList($pc) |
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| 133 | { |
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| 134 | // LoggerLog::debug("LoggerPatternParser::addToList()"); |
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| 135 | |
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| 136 | if($this->head == null) { |
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| 137 | $this->head = $pc; |
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| 138 | $this->tail =& $this->head; |
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| 139 | } else { |
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| 140 | $this->tail->next = $pc; |
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| 141 | $this->tail =& $this->tail->next; |
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| 142 | } |
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| 143 | } |
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| 144 | |
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| 145 | /** |
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| 146 | * @return string |
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| 147 | */ |
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| 148 | function extractOption() |
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| 149 | { |
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| 150 | if(($this->i < $this->patternLength) and ($this->pattern{$this->i} == '{')) { |
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| 151 | $end = strpos($this->pattern, '}' , $this->i); |
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| 152 | if ($end !== false) { |
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| 153 | $r = substr($this->pattern, ($this->i + 1), ($end - $this->i - 1)); |
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| 154 | $this->i= $end + 1; |
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| 155 | return $r; |
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| 156 | } |
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| 157 | } |
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| 158 | return null; |
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| 159 | } |
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| 160 | |
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| 161 | /** |
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| 162 | * The option is expected to be in decimal and positive. In case of |
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| 163 | * error, zero is returned. |
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| 164 | */ |
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| 165 | function extractPrecisionOption() |
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| 166 | { |
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| 167 | $opt = $this->extractOption(); |
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| 168 | $r = 0; |
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| 169 | if ($opt !== null) { |
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| 170 | if (is_numeric($opt)) { |
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| 171 | $r = (int)$opt; |
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| 172 | if($r <= 0) { |
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| 173 | LoggerLog::warn("Precision option ({$opt}) isn't a positive integer."); |
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| 174 | $r = 0; |
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| 175 | } |
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| 176 | } else { |
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| 177 | LoggerLog::warn("Category option \"{$opt}\" not a decimal integer."); |
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| 178 | } |
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| 179 | } |
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| 180 | return $r; |
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| 181 | } |
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| 182 | |
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| 183 | function parse() |
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| 184 | { |
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| 185 | LoggerLog::debug("LoggerPatternParser::parse()"); |
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| 186 | |
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| 187 | $c = ''; |
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| 188 | $this->i = 0; |
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| 189 | $this->currentLiteral = ''; |
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| 190 | while ($this->i < $this->patternLength) { |
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| 191 | $c = $this->pattern{$this->i++}; |
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| 192 | // LoggerLog::debug("LoggerPatternParser::parse() char is now '$c' and currentLiteral is '{$this->currentLiteral}'"); |
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| 193 | switch($this->state) { |
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| 194 | case LOG4PHP_LOGGER_PATTERN_PARSER_LITERAL_STATE: |
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| 195 | // LoggerLog::debug("LoggerPatternParser::parse() state is 'LOG4PHP_LOGGER_PATTERN_PARSER_LITERAL_STATE'"); |
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| 196 | // In literal state, the last char is always a literal. |
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| 197 | if($this->i == $this->patternLength) { |
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| 198 | $this->currentLiteral .= $c; |
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| 199 | continue; |
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| 200 | } |
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| 201 | if($c == LOG4PHP_LOGGER_PATTERN_PARSER_ESCAPE_CHAR) { |
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| 202 | // LoggerLog::debug("LoggerPatternParser::parse() char is an escape char"); |
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| 203 | // peek at the next char. |
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| 204 | switch($this->pattern{$this->i}) { |
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| 205 | case LOG4PHP_LOGGER_PATTERN_PARSER_ESCAPE_CHAR: |
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| 206 | // LoggerLog::debug("LoggerPatternParser::parse() next char is an escape char"); |
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| 207 | $this->currentLiteral .= $c; |
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| 208 | $this->i++; // move pointer |
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| 209 | break; |
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| 210 | case 'n': |
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| 211 | // LoggerLog::debug("LoggerPatternParser::parse() next char is 'n'"); |
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| 212 | $this->currentLiteral .= LOG4PHP_LINE_SEP; |
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| 213 | $this->i++; // move pointer |
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| 214 | break; |
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| 215 | default: |
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| 216 | if(strlen($this->currentLiteral) != 0) { |
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| 217 | $this->addToList(new LoggerLiteralPatternConverter($this->currentLiteral)); |
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| 218 | LoggerLog::debug("LoggerPatternParser::parse() Parsed LITERAL converter: \"{$this->currentLiteral}\"."); |
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| 219 | } |
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| 220 | $this->currentLiteral = $c; |
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| 221 | $this->state = LOG4PHP_LOGGER_PATTERN_PARSER_CONVERTER_STATE; |
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| 222 | $this->formattingInfo->reset(); |
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| 223 | } |
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| 224 | } else { |
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| 225 | $this->currentLiteral .= $c; |
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| 226 | } |
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| 227 | break; |
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| 228 | case LOG4PHP_LOGGER_PATTERN_PARSER_CONVERTER_STATE: |
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| 229 | // LoggerLog::debug("LoggerPatternParser::parse() state is 'LOG4PHP_LOGGER_PATTERN_PARSER_CONVERTER_STATE'"); |
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| 230 | $this->currentLiteral .= $c; |
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| 231 | switch($c) { |
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| 232 | case '-': |
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| 233 | $this->formattingInfo->leftAlign = true; |
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| 234 | break; |
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| 235 | case '.': |
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| 236 | $this->state = LOG4PHP_LOGGER_PATTERN_PARSER_DOT_STATE; |
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| 237 | break; |
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| 238 | default: |
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| 239 | if(ord($c) >= ord('0') and ord($c) <= ord('9')) { |
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| 240 | $this->formattingInfo->min = ord($c) - ord('0'); |
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| 241 | $this->state = LOG4PHP_LOGGER_PATTERN_PARSER_MIN_STATE; |
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| 242 | } else { |
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| 243 | $this->finalizeConverter($c); |
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| 244 | } |
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| 245 | } // switch |
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| 246 | break; |
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| 247 | case LOG4PHP_LOGGER_PATTERN_PARSER_MIN_STATE: |
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| 248 | // LoggerLog::debug("LoggerPatternParser::parse() state is 'LOG4PHP_LOGGER_PATTERN_PARSER_MIN_STATE'"); |
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| 249 | $this->currentLiteral .= $c; |
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| 250 | if(ord($c) >= ord('0') and ord($c) <= ord('9')) { |
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| 251 | $this->formattingInfo->min = ($this->formattingInfo->min * 10) + (ord($c) - ord('0')); |
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| 252 | } elseif ($c == '.') { |
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| 253 | $this->state = LOG4PHP_LOGGER_PATTERN_PARSER_DOT_STATE; |
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| 254 | } else { |
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| 255 | $this->finalizeConverter($c); |
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| 256 | } |
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| 257 | break; |
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| 258 | case LOG4PHP_LOGGER_PATTERN_PARSER_DOT_STATE: |
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| 259 | // LoggerLog::debug("LoggerPatternParser::parse() state is 'LOG4PHP_LOGGER_PATTERN_PARSER_DOT_STATE'"); |
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| 260 | $this->currentLiteral .= $c; |
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| 261 | if(ord($c) >= ord('0') and ord($c) <= ord('9')) { |
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| 262 | $this->formattingInfo->max = ord($c) - ord('0'); |
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| 263 | $this->state = LOG4PHP_LOGGER_PATTERN_PARSER_MAX_STATE; |
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| 264 | } else { |
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| 265 | LoggerLog::warn("LoggerPatternParser::parse() Error occured in position {$this->i}. Was expecting digit, instead got char \"{$c}\"."); |
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| 266 | $this->state = LOG4PHP_LOGGER_PATTERN_PARSER_LITERAL_STATE; |
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| 267 | } |
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| 268 | break; |
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| 269 | case LOG4PHP_LOGGER_PATTERN_PARSER_MAX_STATE: |
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| 270 | // LoggerLog::debug("LoggerPatternParser::parse() state is 'LOG4PHP_LOGGER_PATTERN_PARSER_MAX_STATE'"); |
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| 271 | $this->currentLiteral .= $c; |
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| 272 | if(ord($c) >= ord('0') and ord($c) <= ord('9')) { |
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| 273 | $this->formattingInfo->max = ($this->formattingInfo->max * 10) + (ord($c) - ord('0')); |
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| 274 | } else { |
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| 275 | $this->finalizeConverter($c); |
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| 276 | $this->state = LOG4PHP_LOGGER_PATTERN_PARSER_LITERAL_STATE; |
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| 277 | } |
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| 278 | break; |
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| 279 | } // switch |
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| 280 | } // while |
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| 281 | if(strlen($this->currentLiteral) != 0) { |
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| 282 | $this->addToList(new LoggerLiteralPatternConverter($this->currentLiteral)); |
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| 283 | // LoggerLog::debug("LoggerPatternParser::parse() Parsed LITERAL converter: \"{$this->currentLiteral}\"."); |
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| 284 | } |
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| 285 | return $this->head; |
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| 286 | } |
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| 287 | |
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| 288 | function finalizeConverter($c) |
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| 289 | { |
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| 290 | LoggerLog::debug("LoggerPatternParser::finalizeConverter() with char '$c'"); |
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| 291 | |
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| 292 | $pc = null; |
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| 293 | switch($c) { |
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| 294 | case 'c': |
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| 295 | $pc = new LoggerCategoryPatternConverter($this->formattingInfo, $this->extractPrecisionOption()); |
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| 296 | LoggerLog::debug("LoggerPatternParser::finalizeConverter() CATEGORY converter."); |
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| 297 | $this->currentLiteral = ''; |
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| 298 | break; |
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| 299 | case 'C': |
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| 300 | $pc = new LoggerClassNamePatternConverter($this->formattingInfo, $this->extractPrecisionOption()); |
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| 301 | LoggerLog::debug("LoggerPatternParser::finalizeConverter() CLASSNAME converter."); |
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| 302 | $this->currentLiteral = ''; |
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| 303 | break; |
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| 304 | case 'd': |
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| 305 | $dateFormatStr = LOG4PHP_LOGGER_PATTERN_PARSER_DATE_FORMAT_ISO8601; // ISO8601_DATE_FORMAT; |
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| 306 | $dOpt = $this->extractOption(); |
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| 307 | |
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| 308 | if($dOpt !== null) |
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| 309 | $dateFormatStr = $dOpt; |
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| 310 | |
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| 311 | if ($dateFormatStr == 'ISO8601') { |
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| 312 | $df = LOG4PHP_LOGGER_PATTERN_PARSER_DATE_FORMAT_ISO8601; |
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| 313 | } elseif($dateFormatStr == 'ABSOLUTE') { |
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| 314 | $df = LOG4PHP_LOGGER_PATTERN_PARSER_DATE_FORMAT_ABSOLUTE; |
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| 315 | } elseif($dateFormatStr == 'DATE') { |
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| 316 | $df = LOG4PHP_LOGGER_PATTERN_PARSER_DATE_FORMAT_DATE; |
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| 317 | } else { |
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| 318 | $df = $dateFormatStr; |
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| 319 | if ($df == null) { |
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| 320 | $df = LOG4PHP_LOGGER_PATTERN_PARSER_DATE_FORMAT_ISO8601; |
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| 321 | } |
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| 322 | } |
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| 323 | $pc = new LoggerDatePatternConverter($this->formattingInfo, $df); |
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| 324 | $this->currentLiteral = ''; |
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| 325 | break; |
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| 326 | case 'F': |
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| 327 | $pc = new LoggerLocationPatternConverter($this->formattingInfo, LOG4PHP_LOGGER_PATTERN_PARSER_FILE_LOCATION_CONVERTER); |
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| 328 | LoggerLog::debug("LoggerPatternParser::finalizeConverter() File name converter."); |
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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 | $this->currentLiteral = ''; |
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| 335 | break; |
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| 336 | case 'L': |
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| 337 | $pc = new LoggerLocationPatternConverter($this->formattingInfo, LOG4PHP_LOGGER_PATTERN_PARSER_LINE_LOCATION_CONVERTER); |
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| 338 | LoggerLog::debug("LoggerPatternParser::finalizeConverter() LINE NUMBER converter."); |
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| 339 | $this->currentLiteral = ''; |
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| 340 | break; |
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| 341 | case 'm': |
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| 342 | $pc = new LoggerBasicPatternConverter($this->formattingInfo, LOG4PHP_LOGGER_PATTERN_PARSER_MESSAGE_CONVERTER); |
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| 343 | LoggerLog::debug("LoggerPatternParser::finalizeConverter() MESSAGE converter."); |
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| 344 | $this->currentLiteral = ''; |
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| 345 | break; |
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| 346 | case 'M': |
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| 347 | $pc = new LoggerLocationPatternConverter($this->formattingInfo, LOG4PHP_LOGGER_PATTERN_PARSER_METHOD_LOCATION_CONVERTER); |
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| 348 | $this->currentLiteral = ''; |
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| 349 | break; |
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| 350 | case 'p': |
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| 351 | $pc = new LoggerBasicPatternConverter($this->formattingInfo, LOG4PHP_LOGGER_PATTERN_PARSER_LEVEL_CONVERTER); |
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| 352 | $this->currentLiteral = ''; |
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| 353 | break; |
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| 354 | case 'r': |
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| 355 | $pc = new LoggerBasicPatternConverter($this->formattingInfo, LOG4PHP_LOGGER_PATTERN_PARSER_RELATIVE_TIME_CONVERTER); |
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| 356 | LoggerLog::debug("LoggerPatternParser::finalizeConverter() RELATIVE TIME converter."); |
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| 357 | $this->currentLiteral = ''; |
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| 358 | break; |
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| 359 | case 't': |
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| 360 | $pc = new LoggerBasicPatternConverter($this->formattingInfo, LOG4PHP_LOGGER_PATTERN_PARSER_THREAD_CONVERTER); |
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| 361 | LoggerLog::debug("LoggerPatternParser::finalizeConverter() THREAD converter."); |
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| 362 | $this->currentLiteral = ''; |
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| 363 | break; |
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| 364 | case 'u': |
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| 365 | if($this->i < $this->patternLength) { |
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| 366 | $cNext = $this->pattern{$this->i}; |
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| 367 | if(ord($cNext) >= ord('0') and ord($cNext) <= ord('9')) { |
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| 368 | $pc = new LoggerUserFieldPatternConverter($this->formattingInfo, (string)(ord($cNext) - ord('0'))); |
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| 369 | LoggerLog::debug("LoggerPatternParser::finalizeConverter() USER converter [{$cNext}]."); |
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| 370 | $this->currentLiteral = ''; |
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| 371 | $this->i++; |
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| 372 | } else { |
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| 373 | LoggerLog::warn("LoggerPatternParser::finalizeConverter() Unexpected char '{$cNext}' at position {$this->i}."); |
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| 374 | } |
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| 375 | } |
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| 376 | break; |
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| 377 | case 'x': |
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| 378 | $pc = new LoggerBasicPatternConverter($this->formattingInfo, LOG4PHP_LOGGER_PATTERN_PARSER_NDC_CONVERTER); |
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| 379 | LoggerLog::debug("LoggerPatternParser::finalizeConverter() NDC converter."); |
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| 380 | $this->currentLiteral = ''; |
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| 381 | break; |
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| 382 | |
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| 383 | case 'X': |
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| 384 | $xOpt = $this->extractOption(); |
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| 385 | $pc = new LoggerMDCPatternConverter($this->formattingInfo, $xOpt); |
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| 386 | LoggerLog::debug("LoggerPatternParser::finalizeConverter() MDC converter."); |
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| 387 | $this->currentLiteral = ''; |
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| 388 | break; |
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| 389 | default: |
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| 390 | LoggerLog::warn("LoggerPatternParser::finalizeConverter() Unexpected char [$c] at position {$this->i} in conversion pattern."); |
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| 391 | $pc = new LoggerLiteralPatternConverter($this->currentLiteral); |
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| 392 | $this->currentLiteral = ''; |
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| 393 | } |
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| 394 | $this->addConverter($pc); |
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| 395 | } |
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| 396 | |
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| 397 | function addConverter($pc) |
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| 398 | { |
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| 399 | $this->currentLiteral = ''; |
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| 400 | // Add the pattern converter to the list. |
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| 401 | $this->addToList($pc); |
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| 402 | // Next pattern is assumed to be a literal. |
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| 403 | $this->state = LOG4PHP_LOGGER_PATTERN_PARSER_LITERAL_STATE; |
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| 404 | // Reset formatting info |
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| 405 | $this->formattingInfo->reset(); |
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| 406 | } |
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| 407 | } |
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| 408 | |
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