root/websites/planet.php.gr.jp/trunk/lib/Ethna/class/Ethna_LogWriter.php @ 12921

<?php
// vim: foldmethod=marker
/**
 *    Ethna_LogWriter.php
 *
 *    @author        Masaki Fujimoto <fujimoto@php.net>
 *    @license    http://www.opensource.org/licenses/bsd-license.php The BSD License
 *    @package    Ethna
 *    @version    $Id: Ethna_LogWriter.php 49 2006-06-20 09:44:20Z ha1t $
 */

// {{{ Ethna_LogWriter
/**
 *    ï¿½í¥°ï¿½ï¿½Ï´ï¿½ï¿½ï¿½é¥¹
 *
 *    @author        Masaki Fujimoto <fujimoto@php.net>
 *    @access        public
 *    @package    Ethna
 */
class Ethna_LogWriter
{
    /**#@+
     *    @access    private
     */

    /**    @var    string    ï¿½í¥°ï¿½ï¿½ï¿½ï¿½ï¿½Ç¥ï¿½ï¿½ï¿½Æ¥ï¿½Ê¸ï¿½ï¿½/
    var    $ident;

    /**    @var    int        ï¿½í¥°ï¿½Õ¥ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ */
    var    $facility;

    /**    @var    int        ï¿½í¥°ï¿½ï¿½ï¿½×¥ï¿½ï¿½ï¿½ */
    var    $option;

    /**    @var    string    ï¿½í¥°ï¿½Õ¥ï¿½ï¿½ï¿½ï¿½ï¿½/
    var    $file;

    /**    @var    bool    �Хå��ȥ졼������������ɤ��� */
    var    $have_backtrace;

    /**    @var    array    ï¿½í¥°ï¿½ï¿½ï¿½ï¿½ï¿½Æ¡ï¿½ï¿½Ö¥ï¿½/
    var    $level_name_table = array(
        LOG_EMERG    => 'EMERG',
        LOG_ALERT    => 'ALERT',
        LOG_CRIT    => 'CRIT',
        LOG_ERR        => 'ERR',
        LOG_WARNING    => 'WARNING',
        LOG_NOTICE    => 'NOTICE',
        LOG_INFO    => 'INFO',
        LOG_DEBUG    => 'DEBUG',
    );

    /**#@-*/

    /**
     *    Ethna_LogWriter���饹�Υ��󥹥ȥ饯��
     *
     *    @access    public
     *    @param    string    $log_ident        ï¿½í¥°ï¿½ï¿½ï¿½ï¿½ï¿½Ç¥ï¿½ï¿½ï¿½Æ¥ï¿½Ê¸ï¿½ï¿½×¥í¥»ï¿½ï¿½Ì¾ï¿½)
     *    @param    int        $log_facility    ï¿½í¥°ï¿½Õ¥ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½
     *    @param    string    $log_file        ï¿½í¥°ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½(LOG_FILE���ץ�������ꤵ����������
     *    @param    int        $log_option        ï¿½í¥°ï¿½ï¿½ï¿½×¥ï¿½ï¿½ï¿½(LOG_FILE,LOG_FUNCTION...)
     */
    function Ethna_LogWriter($log_ident, $log_facility, $log_file, $log_option)
    {
        $this->ident = $log_ident;
        $this->facility = $log_facility;
        $this->option = $log_option;
        $this->file = $log_file;
        $this->have_backtrace = function_exists('debug_backtrace');
    }

    /**
     *    ï¿½í¥°ï¿½ï¿½Ï¤ò³«»Ï¤ï¿½ï¿½ï¿½ *
     *    @access    public
     */
    function begin()
    {
    }

    /**
     *    ï¿½í¥°ï¿½ï¿½Ï¤ï¿½ï¿½ï¿½ *
     *    @access    public
     *    @param    int        $level        ï¿½í¥°ï¿½ï¿½ï¿½ï¿½OG_DEBUG, LOG_NOTICE...)
     *    @param    string    $message    ï¿½í¥°ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½(+��     */
    function log($level, $message)
    {
    }

    /**
     *    ï¿½í¥°ï¿½ï¿½Ï¤ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ *
     *    @access    public
     */
    function end()
    {
    }

    /**
     *    ï¿½í¥°ï¿½ï¿½ï¿½ï¿½ï¿½Ç¥ï¿½ï¿½ï¿½Æ¥ï¿½Ê¸ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ *
     *    @access    public
     *    @return    string    ï¿½í¥°ï¿½ï¿½ï¿½ï¿½ï¿½Ç¥ï¿½ï¿½ï¿½Æ¥ï¿½Ê¸ï¿½ï¿½ */
    function getIdent()
    {
        return $this->ident;
    }

    /**
     *    ï¿½í¥°ï¿½ï¿½ï¿½ï¿½É½ï¿½ï¿½Ê¸ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ *
     *    @access    private
     *    @param    int        $level    ï¿½í¥°ï¿½ï¿½ï¿½ï¿½OG_DEBUG,LOG_NOTICE...)
     *    @return    string    ï¿½í¥°ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½Ê¸ï¿½ï¿½OG_DEBUG��"DEBUG")
     */
    function _getLogLevelName($level)
    {
        if (isset($this->level_name_table[$level]) == false) {
            return null;
        }
        return $this->level_name_table[$level];
    }

    /**
     *    ï¿½í¥°ï¿½ï¿½Ï²Õ½ï¿½ï¿½ï¿½ï¿½Ø¿ï¿½ï¿½Õ¥ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½)������ *
     *    @access    private
     *    @return    array    ï¿½í¥°ï¿½ï¿½Ï²Õ½ï¿½ï¿½ï¿½Â     */
    function _getBacktrace()
    {
        $skip_method_list = array(
            array('ethna', 'raise.*'),
            array(null, 'raiseerror'),
            array(null, 'handleerror'),
            array('ethna_logger', null),
            array('ethna_logwriter*', null),
            array('ethna_error', null),
            array('ethna_apperror', null),
            array('ethna_actionerror', null),
            array('ethna_backend', 'log'),
            array(null, 'ethna_error_handler'),
            array(null, 'trigger_error'),
        );

        if ($this->have_backtrace == false) {
            return null;
        }

        $bt = debug_backtrace();
        $i = 0;
        while ($i < count($bt)) {
            if (isset($bt[$i]['class']) == false) {
                $bt[$i]['class'] = null;
            }
            $skip = false;

            // �᥽�åɥ����å׽�
            foreach ($skip_method_list as $method) {
                $class = $function = true;
                if ($method[0] != null) {
                    $class = preg_match("/$method[0]/i", $bt[$i]['class']);
                }
                if ($method[1] != null) {
                    $function = preg_match("/$method[1]/i", $bt[$i]['function']);
                }
                if ($class && $function) {
                    $skip = true;
                    break;
                }
            }

            if ($skip) {
                $i++;
            } else {
                break;
            }
        }

        $c =& Ethna_Controller::getInstance();
        $basedir = $c->getBasedir();

        $function = sprintf("%s.%s", isset($bt[$i]['class']) ? $bt[$i]['class'] : 'global', $bt[$i]['function']);

        $file = $bt[$i]['file'];
        if (strncmp($file, $basedir, strlen($basedir)) == 0) {
            $file = substr($file, strlen($basedir));
        }
        if (strncmp($file, ETHNA_BASE, strlen(ETHNA_BASE)) == 0) {
            $file = preg_replace('#^/+#', '', substr($file, strlen(ETHNA_BASE)));
        }
        $line = $bt[$i]['line'];
        return array('function' => $function, 'pos' => sprintf('%s:%s', $file, $line));
    }
}
// }}}
?>