LSlog: add TRACE log level

doc/conf/LSlog.docbook

@@ -60,6 +60,7 @@ de l'application.</para>
     journal de l'application. Les niveaux de journalisation gérés par
     l'application sont (dans l'ordre du plus petit au plus grand) :</simpara>
     <itemizedlist>
+      <listitem><simpara>TRACE</simpara></listitem>
       <listitem><simpara>DEBUG</simpara></listitem>
       <listitem><simpara>INFO</simpara></listitem>
       <listitem><simpara>WARNING</simpara></listitem>

src/conf/config.inc.php

@@ -250,7 +250,7 @@ $GLOBALS['LSlog']['loggers'] = array (
   ),
   */
 );
-$GLOBALS['LSlog']['level'] = 'INFO';  // DEBUG, INFO, WARNING, ERROR, FATAL
+$GLOBALS['LSlog']['level'] = 'INFO';  // TRACE, DEBUG, INFO, WARNING, ERROR, FATAL
 $GLOBALS['LSlog']['enable'] = true;
 
 define('NB_LSOBJECT_LIST',30);

src/includes/class/class.LSlog.php

@@ -46,11 +46,12 @@ class LSlog {
 
 	// Levels
 	private static $levels=array(
-		'DEBUG' => 0,
-		'INFO' => 1,
-		'WARNING' => 2,
-		'ERROR' => 3,
-		'FATAL' => 4,
+		'TRACE' => 0,
+		'DEBUG' => 1,
+		'INFO' => 2,
+		'WARNING' => 3,
+		'ERROR' => 4,
+		'FATAL' => 5,
 	);
 
 	// Current existing loggers
@@ -176,7 +177,7 @@ class LSlog {
 		self :: $level = $level;
 
 		// Set PHP error/exception handlers
-		if (self :: $level == 'DEBUG')
+		if (in_array(self :: $level, array('DEBUG', 'TRACE')))
 			set_error_handler(array('LSlog', 'php_error'), E_ALL & ~E_STRICT);
 		else
 			set_error_handler(array('LSlog', 'php_error'), E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED);
@@ -403,6 +404,17 @@ class LSlog {
 	 * Public logging methods
 	 */
 
+	/**
+	 * Log a message with level TRACE
+	 *
+	 * @param[in] $message The message to log
+	 *
+	 * @retval void
+	 **/
+	public static function trace($message) {
+		self :: logging('TRACE', $message);
+	}
+
 	/**
 	 * Log a message with level DEBUG
 	 *

src/includes/class/class.LSlog_console.php

@@ -55,7 +55,7 @@ class LSlog_console extends LSlog_handler {
 	 **/
 	public function logging($level, $message, $logger=null) {
 		return fwrite(
-			(in_array($level, array('INFO', 'DEBUG'))?$this -> stdout:$this -> stderr),
+			(in_array($level, array('INFO', 'DEBUG', 'TRACE'))?$this -> stdout:$this -> stderr),
 			$this -> format($level, $message, $logger)."\n"
 		);
 	}

src/includes/class/class.LSlog_logger.php

@@ -123,6 +123,17 @@ class LSlog_logger {
 	 * Public logging methods
 	 */
 
+	/**
+	 * Log a message with level DEBUG
+	 *
+	 * @param[in] $message The message to log
+	 *
+	 * @retval void
+	 **/
+	public function trace($message) {
+		$this -> logging('TRACE', $message);
+	}
+
 	/**
 	 * Log a message with level DEBUG
 	 *

src/includes/class/class.LSlog_staticLoggerClass.php

@@ -52,6 +52,17 @@ class LSlog_staticLoggerClass {
     LSlog :: get_logger(get_called_class()) -> exception($exception, $prefix, $fatal);
   }
 
+  /**
+   * Log a message with level TRACE
+   *
+   * @param[in] $message The message to log
+   *
+   * @retval void
+   **/
+  protected static function log_trace($message) {
+    self :: log('TRACE', $message);
+  }
+
   /**
    * Log a message with level DEBUG
    *

src/includes/class/class.LSlog_syslog.php

@@ -40,6 +40,7 @@ class LSlog_syslog extends LSlog_handler {
 		'NOTICE' =>	LOG_NOTICE, 	// normal, but significant, condition
 		'INFO' => 	LOG_INFO, 	// informational message
 		'DEBUG' =>	LOG_DEBUG, 	// debug-level message
+		'TRACE' =>	LOG_DEBUG, 	// also debug-level message
 	);
 
 	// Default syslog priority (used if level is not provided or invalid)

src/includes/class/class.LSsession.php

@@ -240,6 +240,17 @@ class LSsession {
     }
   }
 
+  /**
+   * Log a message with level TRACE
+   *
+   * @param[in] $message The message to log
+   *
+   * @retval void
+   **/
+  protected static function log_trace($message) {
+    self :: log('TRACE', $message);
+  }
+
   /**
    * Log a message with level DEBUG
    *