Class: Megam::TextFormatter
- Inherits:
-
Object
- Object
- Megam::TextFormatter
- Defined in:
- lib/megam/core/text_formatter.rb
Instance Attribute Summary collapse
-
#data ⇒ Object
readonly
Returns the value of attribute data.
-
#ui ⇒ Object
readonly
Returns the value of attribute ui.
Instance Method Summary collapse
- #formatted_data ⇒ Object
-
#initialize(data, ui) ⇒ TextFormatter
constructor
A new instance of TextFormatter.
- #is_singleton(value) ⇒ Object
- #text_format(data) ⇒ Object
Constructor Details
#initialize(data, ui) ⇒ TextFormatter
Returns a new instance of TextFormatter.
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# File 'lib/megam/core/text_formatter.rb', line 7 def initialize(data, ui) @ui = ui @data = if data.respond_to?(:display_hash) data.display_hash elsif data.kind_of?(Array) data elsif data.respond_to?(:to_hash) data.to_hash else data end end |
Instance Attribute Details
#data ⇒ Object (readonly)
Returns the value of attribute data.
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# File 'lib/megam/core/text_formatter.rb', line 4 def data @data end |
#ui ⇒ Object (readonly)
Returns the value of attribute ui.
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# File 'lib/megam/core/text_formatter.rb', line 5 def ui @ui end |
Instance Method Details
#formatted_data ⇒ Object
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# File 'lib/megam/core/text_formatter.rb', line 20 def formatted_data @formatted_data ||= text_format(data) end |
#is_singleton(value) ⇒ Object
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# File 'lib/megam/core/text_formatter.rb', line 59 def is_singleton(value) !(value.kind_of?(Array) || value.respond_to?(:keys)) end |
#text_format(data) ⇒ Object
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# File 'lib/megam/core/text_formatter.rb', line 24 def text_format(data) buffer = '' if data.respond_to?(:keys) justify_width = data.keys.map {|k| k.to_s.size }.max.to_i + 1 data.sort.each do |key, value| # key: ['value'] should be printed as key: value if value.kind_of?(Array) && value.size == 1 && is_singleton(value[0]) value = value[0] end if is_singleton(value) # Strings are printed as key: value. justified_key = ui.color("#{key}:".ljust(justify_width), :cyan) buffer << "#{justified_key} #{value}\n" else # Arrays and hashes get indented on their own lines. buffer << ui.color("#{key}:\n", :cyan) lines = text_format(value).split("\n") lines.each { |line| buffer << " #{line}\n" } end end elsif data.kind_of?(Array) data.each_index do |index| item = data[index] buffer << text_format(data[index]) # Separate items with newlines if it's an array of hashes or an # array of arrays buffer << "\n" if !is_singleton(data[index]) && index != data.size-1 end else buffer << "#{data}\n" end buffer end |