88 lines
1.9 KiB
Ruby
88 lines
1.9 KiB
Ruby
module Compass
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class Logger
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DEFAULT_ACTIONS = [:directory, :exists, :remove, :create, :overwrite, :compile, :error, :identical]
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COLORS = { :clear => 0, :red => 31, :green => 32, :yellow => 33 }
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ACTION_COLORS = {
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:error => :red,
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:compile => :green,
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:overwrite => :yellow,
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:create => :green,
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:remove => :yellow,
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:exists => :green,
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:directory => :green,
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:identical => :green
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}
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attr_accessor :actions, :options
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def initialize(*actions)
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self.options = actions.last.is_a?(Hash) ? actions.pop : {}
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@actions = DEFAULT_ACTIONS.dup
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@actions += actions
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end
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# Record an action that has occurred
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def record(action, *arguments)
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msg = ""
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msg << color(ACTION_COLORS[action]) if Compass.configuration.color_output
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msg << "#{action_padding(action)}#{action} #{arguments.join(' ')}"
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msg << color(:clear) if Compass.configuration.color_output
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log msg
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end
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def red
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return yield unless Compass.configuration.color_output
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$stderr.write(color(:red))
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$stdout.write(color(:red))
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yield
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ensure
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$stderr.write(color(:clear))
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$stdout.write(color(:clear))
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end
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def color(c)
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if c && COLORS.has_key?(c.to_sym)
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"\e[#{COLORS[c.to_sym]}m"
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else
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""
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end
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end
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def emit(msg)
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print msg
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end
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# Emit a log message
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def log(msg)
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puts msg
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end
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# add padding to the left of an action that was performed.
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def action_padding(action)
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' ' * [(max_action_length - action.to_s.length), 0].max
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end
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# the maximum length of all the actions known to the logger.
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def max_action_length
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@max_action_length ||= actions.inject(0){|memo, a| [memo, a.to_s.length].max}
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end
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end
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class NullLogger
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def record(*args)
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end
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def log(msg)
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end
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def red
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yield
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end
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end
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end
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