Class: Rubtools::Runner

Inherits:
Object
  • Object
show all
Defined in:
lib/rubtools.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args) ⇒ Runner

Initialize the rubtool

  • Find all recipes

  • Parse options



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# File 'lib/rubtools.rb', line 18

def initialize(args)
  @args = args
  @options = Hash.new
  @tools = Hash.new
  @matches = Array.new

  rubtools_config_path = File.join(Dir.home, '.rubtools.yml')
  config_hash = YAML::load_file(rubtools_config_path) if File.exists? rubtools_config_path
  @config = RecursiveOpenStruct.new config_hash, recurse_over_arrays: true if config_hash

  if @config
    tool_libs = []
    if @config.recipes && @config.recipes.any?
      for recipes_folder in @config.recipes
        if File.exists?(recipes_folder) && File.directory?(recipes_folder)
          tool_libs << Dir.glob(File.join(recipes_folder, '**', '*.rb'))
        end
      end
    end

    # Require recipes from paths in the config file
    require_all tool_libs.flatten
  end

  @option_parser = OptionParser.new do |opts|
    opts.banner = "Usage: rt constant:method [options]"

    opts.separator ""
    opts.separator "Common options:"

    opts.on_tail("-L", "--list", "List available commands") do |l|
      @options[:list] = l
    end

    opts.on_tail("-h", "--help", "Show help") do
      Logger.verbose opts
      exit
    end

    opts.on("-v", "--[no-]verbose", "Run verbosely") do |v|
      @options[:verbose] = v
    end

    opts.on_tail("--version", "Show rubTools version") do
      Logger.verbose Rubtools::VERSION
      exit
    end
  end

  begin
    @option_parser.parse!(args)
  rescue OptionParser::InvalidOption
    Logger.verbose @option_parser
    exit
  end
end

Instance Attribute Details

#args ⇒ Object

Returns the value of attribute args.



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# File 'lib/rubtools.rb', line 12

def args
  @args
end

#config ⇒ Object

Returns the value of attribute config.



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# File 'lib/rubtools.rb', line 12

def config
  @config
end

#option_parser ⇒ Object

Returns the value of attribute option_parser.



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# File 'lib/rubtools.rb', line 12

def option_parser
  @option_parser
end

#options ⇒ Object

Returns the value of attribute options.



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# File 'lib/rubtools.rb', line 12

def options
  @options
end

#tools ⇒ Object

Returns the value of attribute tools.



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# File 'lib/rubtools.rb', line 12

def tools
  @tools
end

Instance Method Details

#run! ⇒ Object

Run!

  • Find the best constant method passed in parameter

  • Execute the method



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# File 'lib/rubtools.rb', line 79

def run!
  # Searching in tools libraries the method to call
  for constant in Rubtools::Tools.constants
    @tools[constant.downcase] = Array.new

    const = Rubtools::Tools.const_get(constant)
    unless const.are_methods_hidden?
      for method in const.available_methods
        method_hash = Hash.new
        method_hash[method] = Array.new

        for param in Rubtools::Tools.const_get(constant).instance_method(method).parameters
          method_hash[method] << param.last
        end

        @tools[constant.downcase] << method_hash
      end
    end
  end

  if @options[:list]
    Logger.verbose "Available commands: \n\n"
    for constant in @tools.keys
      for method_hash in @tools[constant]
        params = method_hash.first.last.any? ? "(#{method_hash.first.last.join(", ")})" : nil
        Logger.success "#{constant}:#{method_hash.keys.first}#{params}"
      end

      if @tools[constant].any? && @tools.keys.last != constant
        Logger.verbose "\n"
      end
    end
    exit
  end

  begin
    raise ArgumentError, "missing arguments" unless @args.any?
  rescue ArgumentError => e
    Logger.verbose e.message
    Logger.verbose @option_parser
    exit
  end

  req_const_method = @args.shift.downcase
  values = req_const_method.split(/\W/)
  constant = values.flatten.first.capitalize
  method = values.flatten.last
    
  begin
    Logger.verbose "Calling #{constant}::#{method}..."
    object = Rubtools::Tools.const_get(constant).new @config, @options

    if @args.any?
      object.method(method).call @args
    else
      object.method(method).call
    end
  rescue Interrupt
    Logger.verbose "Interrupted"
  rescue NameError => e
    Logger.error e.message
  rescue ArgumentError => e
    Logger.error "#{e.class} => #{e.message}"
    for backtrace in e.backtrace
      Logger.error backtrace
    end
  end
end