Class: Megam::Text

Inherits:
Object
  • Object
show all
Defined in:
lib/megam/core/text.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(stdout, stderr, stdin, config) ⇒ Text 



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# File 'lib/megam/core/text.rb', line 10

def initialize(stdout, stderr, stdin, config)
    @stdout, @stderr, @stdin, @config = stdout, stderr, stdin, config
end

Instance Attribute Details

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/megam/core/text.rb', line 8

def config
  @config
end

#stderr ⇒ Object (readonly)

Returns the value of attribute stderr.



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# File 'lib/megam/core/text.rb', line 6

def stderr
  @stderr
end

#stdin ⇒ Object (readonly)

Returns the value of attribute stdin.



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# File 'lib/megam/core/text.rb', line 7

def stdin
  @stdin
end

#stdout ⇒ Object (readonly)

Returns the value of attribute stdout.



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# File 'lib/megam/core/text.rb', line 5

def stdout
  @stdout
end

Instance Method Details

#color(string, *colors) ⇒ Object 



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# File 'lib/megam/core/text.rb', line 64

def color(string, *colors)
    if color?
        highline.color(string, *colors)
    else
        string
    end
end

#color? ⇒ Boolean

Should colored output be used ?. When output is not to a terminal, colored output is never used



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# File 'lib/megam/core/text.rb', line 74

def color?
    stdout.tty?
end

#err(message) ⇒ Object

Prints a msg to stderr. Used for warn, error, and fatal.



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# File 'lib/megam/core/text.rb', line 45

def err(message)
    stderr.puts message
end

#error(message) ⇒ Object

Print an error message



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# File 'lib/megam/core/text.rb', line 55

def error(message)
    err("#{color('ERROR:', :red, :bold)} #{message}")
end

#fatal(message) ⇒ Object

Print a message describing a fatal error.



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# File 'lib/megam/core/text.rb', line 60

def fatal(message)
    err("#{color('FATAL:', :red, :bold)} #{message}")
end

#highline ⇒ Object 



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# File 'lib/megam/core/text.rb', line 14

def highline
    @highline ||= begin
        require 'highline'
        HighLine.new
    end
end

#info(message) ⇒ Object

Prints a message to stdout. Aliased as info for compatibility with the logger API.



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# File 'lib/megam/core/text.rb', line 40

def info(message)
    stdout.puts("#{color('INFO:', :green, :bold)} #{message}")
end

#list(*args) ⇒ Object 



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# File 'lib/megam/core/text.rb', line 78

def list(*args)
    highline.list(*args)
end

#msg(message) ⇒ Object 



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# File 'lib/megam/core/text.rb', line 33

def msg(message)
    stdout.puts message
end

#pretty_print(data) ⇒ Object 



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# File 'lib/megam/core/text.rb', line 82

def pretty_print(data)
    stdout.puts data
end

#summarize(data) ⇒ Object

Summarize the data. Defaults to text format output, which may not be very summary-like



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# File 'lib/megam/core/text.rb', line 23

def summarize(data)
    text_format(data)
end

#text_format(data) ⇒ Object

Converts the data to a String in the text format. Uses Chef::Knife::Core::TextFormatter



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# File 'lib/megam/core/text.rb', line 29

def text_format(data)
    Megam::TextFormatter.new(data, self).formatted_data
end

#warn(message) ⇒ Object

Print a warning message



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# File 'lib/megam/core/text.rb', line 50

def warn(message)
    err("#{color('WARNING:', :yellow, :bold)} #{message}")
end