Module: ExtJS::XTheme::Command

Defined in:
lib/extjs-xtheme/command.rb,
lib/extjs-xtheme/commands/base.rb,
lib/extjs-xtheme/commands/help.rb,
lib/extjs-xtheme/commands/theme.rb,
lib/extjs-xtheme/commands/conifg.rb,
lib/extjs-xtheme/commands/effects.rb

Defined Under Namespace

Classes: Base, CommandFailed, Config, ConfigNotFound, Effects, Help, InvalidCommand, InvalidConfig, Theme

Class Method Summary collapse

Class Method Details

.error(msg) ⇒ Object 



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# File 'lib/extjs-xtheme/command.rb', line 51

def error(msg)
  STDERR.puts(msg)
  exit 1
end

.load_config ⇒ Object 



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# File 'lib/extjs-xtheme/command.rb', line 76

def load_config
  File.exists?('.xthemeconfig') ? YAML::load(File.open('.xthemeconfig')) : nil
end

.parse(command) ⇒ Object 



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# File 'lib/extjs-xtheme/command.rb', line 56

def parse(command)
  parts = command.split(':')
  case parts.size
    when 1
      begin
        return eval("ExtJS::XTheme::Command::#{command.capitalize}"), :index
      rescue NameError, NoMethodError
        return ExtJS::XTheme::Command::Theme, command
      end
    when 2
      begin
        return ExtJS::XTheme::Command.const_get(parts[0].capitalize), parts[1]
      rescue NameError
        raise InvalidCommand
      end
    else
      raise InvalidCommand
  end
end

.run(command, args, retries = 0) ⇒ Object 



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# File 'lib/extjs-xtheme/command.rb', line 13

def run(command, args, retries=0)
  begin
    run_internal(command, args.dup)
  rescue InvalidCommand
    error "Unknown command. Run 'xtheme help' for usage information."
  rescue CommandFailed => e
    error e.message
  rescue InvalidConfig => e
    error e.message
  rescue ConfigNotFound => e
    error e.message
  rescue Interrupt => e
    error "\n[canceled]"
  end
end

.run_internal(command, args, heroku = nil) ⇒ Object

Raises:



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# File 'lib/extjs-xtheme/command.rb', line 29

def run_internal(command, args, heroku=nil)
  config = load_config
  
  klass, method = parse(command)
  
  unless method == "init"
    unless config 
      raise ConfigNotFound.new("Could not locate config file .xthemeconfig.\nAre you in your application root?  Have you run xtheme init?")
      end
    unless config && File.exists?(config[:ext_dir])
        raise InvalidConfig.new("Could not locate ext_dir #{config[:ext_dir]}.\nAre you in your application root?")
      end
      unless config && File.exists?(config[:theme_dir])
        raise InvalidConig.new("Could not locate theme_dir #{config[:theme_dir]}.\nAre you in your application root?")
    end
  end
  
  runner = klass.new(args, config)
  raise InvalidCommand unless runner.respond_to?(method)
  runner.send(method)
end