#
#--
#
# $Id: logging.rb 203 2005-02-21 18:42:04Z thomas $
#
# webgen: template based static website generator
# Copyright (C) 2004 Thomas Leitner
#
# This program is free software; you can redistribute it and/or modify it under the terms of the GNU
# General Public License as published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
# even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with this program; if not,
# write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
#++
#

require 'logger'

module Webgen

  class Logger < ::Logger

    def initialize( dev )
      super( dev )
      self.datetime_format = "%Y-%m-%d %H:%M:%S"
      self.level = Logger::ERROR
    end

    def set_log_dev( dev )
      @logdev = LogDevice.new( dev )
    end

    def format_message( severity, timestamp, msg, progname )
      "%s %5s -- %s: %s\n" % [timestamp, severity, progname, msg ]
    end

    def warn( progname = nil, &block )
      super
      self.debug { "Call stack for last warning: #{caller[3..-1].join("\n")}" }
    end

    def error( progname = nil, &block )
      super
      self.debug { "Call stack for last error: #{caller[3..-1].join("\n")}" }
    end

  end

end

class Object

  LOGGER = Webgen::Logger.new( STDERR )

  def logger
    LOGGER
  end

end

class Module

  def self.logger
    Object::LOGGER
  end

end