RubyMotion REPL documentation helper.

README.md

Lets you check Cocoa Touch documentation from the RubyMotion REPL.

License: MIT, 2015 Jamon Holmgren

repl_ri.rb

class ReplRi
  attr_reader :class_name

  COLORS = {
    red:          "\e[0;31m",
    green:        "\e[0;32m",
    yellow:       "\e[0;33m",
    blue:         "\e[0;34m",
    light_blue:   "\e[1;34m",
    purple:       "\e[0;35m",
    light_purple: "\e[1;35m",
    cyan:         "\e[0;36m",
    off:          "\e[0m",
  }

  def initialize(class_name)
    @class_name = class_name
  end

  def help
    ri_docs = `HOME=/tmp /Library/RubyMotion/lib/yard/bin/yri --db /Library/RubyMotion/doc/yardoc #{class_name.inspect}`
    colorized(ri_docs)
  end

  private

  def colorized(ri_docs)
    ri_doc_array = ri_docs.split("\n")
    status = :start
    ri_doc_array.map do |ri_line|
      if ri_line.include?("Class:")
        status = :intro
        class_title ri_line
      elsif ri_line.start_with? "--------------"
        nil
      elsif ri_line == ""
        nil
      elsif ["Class methods:", "Instance methods:", "Direct Known Subclasses:"].include? ri_line
        status = :methods
        section_title ri_line
      elsif status == :intro
        intro_text ri_line
      elsif status == :methods
        method_text ri_line
      else
        ri_line
      end
    end.compact.join("\n")
  end

  def class_title(ri_line)
    "#{COLORS[:light_blue]}#{ri_line.split("Class:").last.strip}#{COLORS[:off]}"
  end

  def section_title(ri_line)
    "#{COLORS[:light_purple]}#{ri_line}#{COLORS[:off]}"
  end

  def intro_text(ri_line)
    "#{COLORS[:blue]}#{ri_line}#{COLORS[:off]}"
  end

  def method_text(ri_line)
    "#{COLORS[:purple]}#{ri_line}#{COLORS[:off]}"
  end
end

module Kernel
  def ri(class_name)
    puts ReplRi.new(class_name).help
    nil
  end
end