/usr/share/php/Log/console.php is in php-log 1.12.3-1.
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/**
* $Header$
*
* @version $Revision: 224513 $
* @package Log
*/
/**
* The Log_console class is a concrete implementation of the Log::
* abstract class which writes message to the text console.
*
* @author Jon Parise <jon@php.net>
* @since Log 1.1
* @package Log
*
* @example console.php Using the console handler.
*/
class Log_console extends Log
{
/**
* Handle to the current output stream.
* @var resource
* @access private
*/
var $_stream = STDOUT;
/**
* Should the output be buffered or displayed immediately?
* @var string
* @access private
*/
var $_buffering = false;
/**
* String holding the buffered output.
* @var string
* @access private
*/
var $_buffer = '';
/**
* String containing the format of a log line.
* @var string
* @access private
*/
var $_lineFormat = '%1$s %2$s [%3$s] %4$s';
/**
* String containing the timestamp format. It will be passed directly to
* strftime(). Note that the timestamp string will generated using the
* current locale.
* @var string
* @access private
*/
var $_timeFormat = '%b %d %H:%M:%S';
/**
* Constructs a new Log_console object.
*
* @param string $name Ignored.
* @param string $ident The identity string.
* @param array $conf The configuration array.
* @param int $level Log messages up to and including this level.
* @access public
*/
function Log_console($name, $ident = '', $conf = array(),
$level = PEAR_LOG_DEBUG)
{
$this->_id = md5(microtime());
$this->_ident = $ident;
$this->_mask = Log::UPTO($level);
if (!empty($conf['stream'])) {
$this->_stream = $conf['stream'];
}
if (isset($conf['buffering'])) {
$this->_buffering = $conf['buffering'];
}
if (!empty($conf['lineFormat'])) {
$this->_lineFormat = str_replace(array_keys($this->_formatMap),
array_values($this->_formatMap),
$conf['lineFormat']);
}
if (!empty($conf['timeFormat'])) {
$this->_timeFormat = $conf['timeFormat'];
}
/*
* If output buffering has been requested, we need to register a
* shutdown function that will dump the buffer upon termination.
*/
if ($this->_buffering) {
register_shutdown_function(array(&$this, '_Log_console'));
}
}
/**
* Destructor
*/
function _Log_console()
{
$this->close();
}
/**
* Open the output stream.
*
* @access public
* @since Log 1.9.7
*/
function open()
{
$this->_opened = true;
return true;
}
/**
* Closes the output stream.
*
* This results in a call to flush().
*
* @access public
* @since Log 1.9.0
*/
function close()
{
$this->flush();
$this->_opened = false;
return true;
}
/**
* Flushes all pending ("buffered") data to the output stream.
*
* @access public
* @since Log 1.8.2
*/
function flush()
{
/*
* If output buffering is enabled, dump the contents of the buffer to
* the output stream.
*/
if ($this->_buffering && (strlen($this->_buffer) > 0)) {
fwrite($this->_stream, $this->_buffer);
$this->_buffer = '';
}
if (is_resource($this->_stream)) {
return fflush($this->_stream);
}
return false;
}
/**
* Writes $message to the text console. Also, passes the message
* along to any Log_observer instances that are observing this Log.
*
* @param mixed $message String or object containing the message to log.
* @param string $priority The priority of the message. Valid
* values are: PEAR_LOG_EMERG, PEAR_LOG_ALERT,
* PEAR_LOG_CRIT, PEAR_LOG_ERR, PEAR_LOG_WARNING,
* PEAR_LOG_NOTICE, PEAR_LOG_INFO, and PEAR_LOG_DEBUG.
* @return boolean True on success or false on failure.
* @access public
*/
function log($message, $priority = null)
{
/* If a priority hasn't been specified, use the default value. */
if ($priority === null) {
$priority = $this->_priority;
}
/* Abort early if the priority is above the maximum logging level. */
if (!$this->_isMasked($priority)) {
return false;
}
/* Extract the string representation of the message. */
$message = $this->_extractMessage($message);
/* Build the string containing the complete log line. */
$line = $this->_format($this->_lineFormat,
strftime($this->_timeFormat),
$priority, $message) . "\n";
/*
* If buffering is enabled, append this line to the output buffer.
* Otherwise, print the line to the output stream immediately.
*/
if ($this->_buffering) {
$this->_buffer .= $line;
} else {
fwrite($this->_stream, $line);
}
/* Notify observers about this log message. */
$this->_announce(array('priority' => $priority, 'message' => $message));
return true;
}
}
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