Class: CyberarmEngine::Console::Command

Inherits:
Object
  • Object
show all
Defined in:
lib/cyberarm_engine/console/command.rb,
lib/cyberarm_engine/console/subcommand.rb

Direct Known Subclasses

HelpCommand

Defined Under Namespace

Classes: SubCommand

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Command

Returns a new instance of Command.



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# File 'lib/cyberarm_engine/console/command.rb', line 61

def initialize
  @store = {}
  @subcommands = []

  setup
end

Class Method Details

.find(command) ⇒ Object 



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# File 'lib/cyberarm_engine/console/command.rb', line 53

def self.find(command)
  @commands.detect { |cmd| cmd.command == command.to_sym }
end

.inherited(subclass) ⇒ Object 



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# File 'lib/cyberarm_engine/console/command.rb', line 24

def self.inherited(subclass)
  @list ||= []
  @commands ||= []
  @list << subclass
end

.list_commands ⇒ Object 



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# File 'lib/cyberarm_engine/console/command.rb', line 57

def self.list_commands
  @commands
end

.setup ⇒ Object 



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# File 'lib/cyberarm_engine/console/command.rb', line 30

def self.setup
  @list ||= []
  @commands = []
  @list.each do |subclass|
    cmd = subclass.new
    if @commands.detect { |c| c.command == cmd.command }
      raise "Command '#{cmd.command}' from '#{cmd.class}' already exists!"
    end

    @commands << cmd
  end
end

.use(command, arguments, console) ⇒ Object 



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# File 'lib/cyberarm_engine/console/command.rb', line 43

def self.use(command, arguments, console)
  found_command = @commands.detect { |cmd| cmd.command == command.to_sym }

  if found_command
    found_command.handle(arguments, console)
  else
    console.stdin("Command #{Style.error(command)} not found.")
  end
end

Instance Method Details

#autocomplete(console) ⇒ Object 



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# File 'lib/cyberarm_engine/console/command.rb', line 99

def autocomplete(console)
  split = console.text_input.text.split(" ")

  if @subcommands.size.positive?
    if !console.text_input.text.end_with?(" ") && split.size == 2
      list = console.abbrev_search(@subcommands.map { |cmd| cmd.command.to_s }, split.last)

      if list.size == 1
        console.text_input.text = "#{split.first} #{list.first} "
      else
        return unless list.size.positive?

        console.stdin(list.map { |cmd| Console::Style.highlight(cmd) }.join(", ").to_s)
      end

    # List available options on subcommand
    elsif (console.text_input.text.end_with?(" ") && split.size == 2) || !console.text_input.text.end_with?(" ") && split.size == 3
      subcommand = @subcommands.detect { |cmd| cmd.command.to_s == (split[1]) }

      if subcommand
        if split.size == 2
          console.stdin("Available options: #{subcommand.values.map { |value| Console::Style.highlight(value) }.join(',')}")
        else
          list = console.abbrev_search(subcommand.values, split.last)
          if list.size == 1
            console.text_input.text = "#{split.first} #{split[1]} #{list.first} "
          elsif list.size.positive?
            console.stdin("Available options: #{list.map { |value| Console::Style.highlight(value) }.join(',')}")
          end
        end
      end

    # List available subcommands if command was entered and has only a space after it
    elsif console.text_input.text.end_with?(" ") && split.size == 1
      console.stdin("Available subcommands: #{@subcommands.map { |cmd| Console::Style.highlight(cmd.command) }.join(', ')}")
    end
  end
end

#command ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/cyberarm_engine/console/command.rb', line 91

def command
  raise NotImplementedError
end

#get(key) ⇒ Object 



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# File 'lib/cyberarm_engine/console/command.rb', line 79

def get(key)
  @store[key]
end

#group ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/cyberarm_engine/console/command.rb', line 87

def group
  raise NotImplementedError
end

#handle(arguments, console) ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/cyberarm_engine/console/command.rb', line 95

def handle(arguments, console)
  raise NotImplementedError
end

#handle_subcommand(arguments, console) ⇒ Object 



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# File 'lib/cyberarm_engine/console/command.rb', line 138

def handle_subcommand(arguments, console)
  if arguments.size.zero?
    console.stdin(usage)
    return
  end
  subcommand = arguments.delete_at(0)

  found_command = @subcommands.detect { |cmd| cmd.command == subcommand.to_sym }
  if found_command
    found_command.handle(arguments, console)
  else
    console.stdin("Unknown subcommand #{Style.error(subcommand)} for #{Style.highlight(command)}")
  end
end

#set(key, value) ⇒ Object 



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# File 'lib/cyberarm_engine/console/command.rb', line 83

def set(key, value)
  @store[key] = value
end

#setup ⇒ Object 



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# File 'lib/cyberarm_engine/console/command.rb', line 68

def setup
end

#subcommand(command, type) ⇒ Object 



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# File 'lib/cyberarm_engine/console/command.rb', line 71

def subcommand(command, type)
  if @subcommands.detect { |subcmd| subcmd.command == command.to_sym }
    raise "Subcommand '#{command}' for '#{self.command}' already exists!"
  end

  @subcommands << SubCommand.new(self, command, type)
end

#usage ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/cyberarm_engine/console/command.rb', line 153

def usage
  raise NotImplementedError
end