Class: MiniMagick::Logger
- Inherits:
-
Object
- Object
- MiniMagick::Logger
- Defined in:
- lib/mini_magick/logger.rb
Overview
Responsible for logging commands to stdout (activated when ‘MiniMagick.debug` is set to `true`). Implements a simplified Logger interface.
Instance Attribute Summary collapse
-
#format ⇒ Object
Returns the value of attribute format.
Instance Method Summary collapse
- #benchmark(action) {|duration| ... } ⇒ Object
- #debug(command, &action) ⇒ Object
-
#initialize(io) ⇒ Logger
constructor
A new instance of Logger.
- #output(data) ⇒ Object
Constructor Details
#initialize(io) ⇒ Logger
Returns a new instance of Logger.
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# File 'lib/mini_magick/logger.rb', line 15 def initialize(io) @io = io @format = "[%<duration>.2fs] %<command>s" end |
Instance Attribute Details
#format ⇒ Object
Returns the value of attribute format.
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# File 'lib/mini_magick/logger.rb', line 13 def format @format end |
Instance Method Details
#benchmark(action) {|duration| ... } ⇒ Object
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# File 'lib/mini_magick/logger.rb', line 30 def benchmark(action) return_value = nil duration = Benchmark.realtime { return_value = action.call } yield duration return_value end |
#debug(command, &action) ⇒ Object
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# File 'lib/mini_magick/logger.rb', line 20 def debug(command, &action) benchmark(action) do |duration| output(duration: duration, command: command) if MiniMagick.debug end end |
#output(data) ⇒ Object
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# File 'lib/mini_magick/logger.rb', line 26 def output(data) printf @io, "#{format}\n", data end |