Module: Bio::Log::CLI

Defined in:
lib/bio/log/loggercli.rb

Class Method Summary collapse

Class Method Details

.configure(logname = nil) ⇒ Object


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# File 'lib/bio/log/loggercli.rb', line 75

def CLI::configure logname = nil
  include Bio::Log

  type = LoggerPlusGlobal.instance.outputter_type
  trace = LoggerPlusGlobal.instance.trace
  trace ||= {}
  default = {}
  default = trace[:default] if trace[:default]
  trace[logname] ||= {} if logname
  trace.each do | name, opts |
    # p [name, opts]
    next if name == :default
    logger_type = type
    logger_type = default[:outputter_name] if default[:outputter_name]
    logger_type = opts[:outputter_name] if opts[:outputter_name]
    logger = LoggerPlus[name]
    raise "Unknown logger <#{name}>" if logger == nil
    logger.outputters = 
      case logger_type
        when 'stderr', :stderr then logger.outputters = Outputter.stderr
        when nil, 'stdout', :stdout then logger.outputters = Outputter.stdout
        else 
          # p [name, logger_type]
          FileOutputter.new(name, logger_type[:file])
      end
    set_levels(logger, default) if default
    set_levels(logger, opts)
    filter = default[:filter]
    filter = opts[:filter] if opts[:filter]
    if filter
      # p filter
      filter2 = "logger.filter { |level,sub_level,msg| #{filter} }" 
      # p filter2
      eval(filter2)
    end
  end
end

.logger(name) ⇒ Object

Parse and store global logger type


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# File 'lib/bio/log/loggercli.rb', line 16

def CLI::logger name
  LoggerPlusGlobal.instance.outputter_type = case name
    when 'stderr' then :stderr
    when 'stdout' then :stdout
    else 
      {:file => { :filename => name }}
  end
end

.trace(s) ⇒ Object

Parse and store trace options


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# File 'lib/bio/log/loggercli.rb', line 26

def CLI::trace s
  level = nil
  sub_level = nil
  filter = nil

  opts = {}
  # ---- split fields
  a = s.split(':')
  if a.last =~ /^=(\d+)$/
    # ---- set exact filter
    filter = "sub_level==#{$1}"
    a.pop
  elsif a.last =~ /^=/
    # ---- set filter
    filter = $'
    a.pop
  elsif a.last =~ /^\d+$/
    # ---- the last field is the sub level
    sub_level = a.pop.to_i
    # ---- The fore-last field is the level
    level = a.pop.downcase
  else
    level = a.pop.downcase
  end
  # ---- If there is another field it contains logger name(s)
  #      otherwise it is a global
  outputter = 
    if a.size == 2 
      a.shift
    end
  if a.size == 0
    a = [:default]  # global
  else
    a = a[0].split(',') # one or more logger name(s)
  end
  # ---- update every logger
  a.each do | type |
    opts[type] = {}
    opts[type][:level] = level if level
    opts[type][:sub_level] = sub_level if sub_level
    opts[type][:filter] = filter if filter
    opts[type][:outputter_name] = outputter if outputter
    # p [type,opts[type]]
  end
  # ---- Set the globals
  LoggerPlusGlobal.instance.trace ||= {}
  LoggerPlusGlobal.instance.trace = LoggerPlusGlobal.instance.trace.merge(opts)
end