Class: Magellan::Cli::ReferenceGenerator

Inherits:
Object
  • Object
show all
Defined in:
lib/magellan/cli/reference_generator.rb

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ ReferenceGenerator 



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# File 'lib/magellan/cli/reference_generator.rb', line 9

def initialize(options = {})
  @dest = options[:dest] || "doc"
  @subdir = options[:subdir] || "."
  @io = $stdout
end

Instance Method Details

#change_global_var_temporarily(*tuples, &block) ⇒ Object 



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# File 'lib/magellan/cli/reference_generator.rb', line 33

def change_global_var_temporarily(*tuples, &block)
  if tuples.empty?
    block.call if block
  else
    gvar_name, value = *tuples.shift
    backup = eval(gvar_name)
    begin
      eval("#{gvar_name} = value")
      change_global_var_temporarily(*tuples, &block)
    ensure
      eval("#{gvar_name} = backup")
    end
  end
end

#process(klass, filename, name = nil) ⇒ Object 



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# File 'lib/magellan/cli/reference_generator.rb', line 48

def process(klass, filename, name = nil)
  if cmd = klass.all_commands["help"]
    cmd.description = I18n.t(:help, scope: [:base, :cmd])
  end

  rel_path = File.join(@subdir, filename)
  path = File.expand_path(rel_path, @dest)
  FileUtils.mkdir_p(File.dirname(path))
  instance = klass.new
  open(path, "w") do |f|
    f.puts "---"
    f.puts "layout: index"
    version = Magellan::Cli::VERSION.split(/\./)[0,2].join(".")
    f.puts "title: " << [name, "magellan-cli-#{version} (#{I18n.locale})", "Reference"].compact.join(" | ")
    lang_links = I18n.available_locales.map do |locale|
      (locale == I18n.locale) ? locale.to_s :
        begin
          path = rel_path.sub(/\/#{I18n.locale}\//, "/#{locale}/").sub(/\.md\z/, ".html")
          %!<a href="/#{path}">#{locale}</a>!
        end
    end
    f.puts %!breadcrumb: <a href="/">Top</a> / <a href="/reference">Reference</a> / <a href="/reference/magellan-cli/#{I18n.locale}">magellan-cli-#{version}</a> / #{name} #{lang_links.join(' ')}!
    f.puts "sidemenu: sidemenu/reference/magellan-cli/sidemenu-#{I18n.locale}"
    f.puts "---"
    f.puts

    f.puts "## "<< I18n.t(:commands, scope: :reference)
    f.puts
    klass.sorted_commands.each do |cmd|
      rel_path =
        Magellan::Cli::Resources::MAPPING.values.include?(cmd.name) ? "./resources/#{cmd.name}.html" :
          Magellan::Cli::Messaging::MAPPING.values.include?(cmd.name) ? "./messaging/#{cmd.name}.html" :
            cmd.name == "cloudsql_instance" ? "./#{cmd.name}.html" :
            "##{cmd.name}"
      f.puts "- [%s](%s)" % [Thor.send(:banner, cmd, false, false), rel_path]
    end
    f.puts

    f.puts "## " << I18n.t(:global_options, scope: :reference)
    f.puts
    change_global_var_temporarily(["$stdout", f], ["$stderr", f]) do
      f.puts "```text"
      klass.send(:print_options, @shell, klass.class_options.values)
      f.puts "```"
      f.puts
    end
    f.puts

    f.puts "## " << I18n.t(:details, scope: :reference)
    klass.sorted_commands.each do |cmd|
      next if Magellan::Cli::Resources::MAPPING.values.include?(cmd.name)
      next if Magellan::Cli::Messaging::MAPPING.values.include?(cmd.name)
      next if cmd.name == "cloudsql_instance"
      f.puts "### <a name=\"#{cmd.name}\"></a>#{cmd.name}"
      f.puts
      f.puts "```text"
      f.puts Thor.send(:banner, cmd)
      f.puts "```"
      f.puts
      unless cmd.options.empty?
        change_global_var_temporarily(["$stdout", f], ["$stderr", f]) do
          f.puts "```text"
            klass.send(:print_options, @shell, cmd.options.values)
          f.puts "```"
          f.puts
        end
      end
      if cmd.long_description
        f.puts cmd.long_description
      else
        f.puts cmd.description
      end
      f.puts
    end

  end
end

#run ⇒ Object 



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# File 'lib/magellan/cli/reference_generator.rb', line 15

def run
  @shell = Thor::Shell::Basic.new
  change_global_var_temporarily(["$PROGRAM_NAME", "magellan-cli"]) do
    k = Magellan::Cli::Command
    process(k, "index.md")
    Magellan::Cli::Resources::MAPPING.each do |class_name, name|
      klass = Magellan::Cli::Resources.const_get(class_name)
      process(klass, "resources/#{name}.md", name)
    end
    name = "cloudsql_instance"
    process(Magellan::Cli::CloudsqlInstance, "#{name}.md", name)
    Magellan::Cli::Messaging::MAPPING.each do |class_name, name|
      klass = Magellan::Cli::Messaging.const_get(class_name)
      process(klass, "messaging/#{name}.md", name)
    end
  end
end