Class: Thor::Shell::Basic

Inherits:
Object
  • Object
show all
Defined in:
lib/everyday_thor_util/thor-print-fix.rb

Instance Method Summary collapse

Instance Method Details

#dynamic_width ⇒ Object 



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# File 'lib/everyday_thor_util/thor-print-fix.rb', line 22

def dynamic_width
  IO.console.winsize[1]
end

#print_wrapped(message, options = {}) ⇒ Object 



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# File 'lib/everyday_thor_util/thor-print-fix.rb', line 5

def print_wrapped(message, options = {})
  indent = options[:indent] || 0
  width = terminal_width - indent
  paras = message.split("\n\n")
  min_space_length = paras.map{|para| para.gsub(/^(\s*)\S.*$/, '\1').length }.min

  paras.map! do |unwrapped|
    unwrapped.gsub(/(^|\005)([ ]+)/) { "#{$1}#{"\0" * ($2.length - min_space_length)}" }.strip.tr("\n", " ").squeeze(" ").gsub(/.{1,#{width}}(?:\s|\Z)/) { ($& + 5.chr).gsub(/\n\005/, "\n").gsub(/\005/, "\n").gsub(/\0/, ' ') }
  end

  paras.each do |para|
    para.split("\n").each do |line|
      stdout.puts line.insert(0, " " * indent)
    end
    stdout.puts unless para == paras.last
  end
end