Module: PrettyYaml

Extended by:
PrettyYaml
Included in:
PrettyYaml
Defined in:
lib/ppy.rb

Constant Summary collapse

INDENT = 
'  '

Instance Method Summary collapse

Instance Method Details

#empty_value(value) ⇒ Object

Formats an empty_value.



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# File 'lib/ppy.rb', line 51

def empty_value(value)
  case value
  when Array
    format_value('[ ]')
  when Hash
    format_value('{ }')
  else
    value
  end
end

#format_key(key) ⇒ Object

Formats a data key.



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# File 'lib/ppy.rb', line 63

def format_key(key)
  key.to_s.color(:yellow)
end

#format_value(value) ⇒ Object

Formats a data value.



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# File 'lib/ppy.rb', line 68

def format_value(value)
  case value
  when Numeric
    value.to_s.color(:cyan)
  when String
    value
  when TrueClass
    value.to_s.color(:green)
  when FalseClass
    value.to_s.color(:red)
  when NilClass
    'nil'.color(:blue)
  else
    value
  end
end

#indent_string(level = 0) ⇒ Object

Creates space indentation for a string, based on a level int.



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# File 'lib/ppy.rb', line 46

def indent_string(level = 0)
  INDENT * level
end

#print(data, level = 0) ⇒ Object

Prints the actual data.



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# File 'lib/ppy.rb', line 9

def print(data, level = 0)
  case data
  when Hash
    data.each do |key, value|
      if value.is_a? Enumerable
        string = "#{indent_string(level)}#{format_key(key)}:"

        if value.empty?
          puts string + ' ' + empty_value(value)
        else
          puts string
          print(value, level + 1)
        end
      else
        puts "#{indent_string(level)}#{format_key(key)}: #{format_value(value)}"
      end
    end
  when Array
    data.each do |value|
      if value.is_a? Enumerable
        string = format_key "#{indent_string(level)}-"
        if value.empty?
          puts string + ' ' + empty_value(value)
        else
          puts string
          print(value, level + 1)
        end
      else
        puts "#{indent_string(level)}#{format_key('-')} #{format_value(value)}"
      end
    end
  else
    puts "#{indent_string(level)}#{format_value(data)}"
  end
end