Class: Leg::Commands::BaseCommand

Inherits:
Object
  • Object
show all
Defined in:
lib/leg/commands/base_command.rb

Direct Known Subclasses

Amend, Build, Commit, Diff, Help, Init, Reset, Resolve, Save, Status, Step

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args, config) ⇒ BaseCommand

Returns a new instance of BaseCommand.



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# File 'lib/leg/commands/base_command.rb', line 6

def initialize(args, config)
  @args = args
  @config = config
  @git = Leg::Representations::Git.new(@config)
  @litdiff = Leg::Representations::Litdiff.new(@config)
  parseopts!
end

Instance Attribute Details

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/leg/commands/base_command.rb', line 4

def config
  @config
end

#opts ⇒ Object (readonly)

Returns the value of attribute opts.



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# File 'lib/leg/commands/base_command.rb', line 4

def opts
  @opts
end

Class Method Details

.inherited(subclass) ⇒ Object 



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# File 'lib/leg/commands/base_command.rb', line 19

def self.inherited(subclass)
  Leg::Commands::LIST << subclass
end

.name ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/leg/commands/base_command.rb', line 14

def self.name; raise NotImplementedError; end

.summary ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/leg/commands/base_command.rb', line 15

def self.summary; raise NotImplementedError; end

Instance Method Details

#git_to_litdiff! ⇒ Object 



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# File 'lib/leg/commands/base_command.rb', line 68

def git_to_litdiff!
  tutorial = @git.load! do |step_num|
    output "\r\e[K[repo/ -> Tutorial] Step #{step_num}"
  end
  output "\n"

  num_steps = tutorial.num_steps
  @litdiff.save!(tutorial) do |step_num|
    output "\r\e[K[Tutorial -> doc/] Step #{step_num}/#{num_steps}"
  end
  output "\n"

  @config.synced!
end

#litdiff_to_git! ⇒ Object 



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# File 'lib/leg/commands/base_command.rb', line 83

def litdiff_to_git!
  tutorial = @litdiff.load! do |step_num|
    output "\r\e[K[doc/ -> Tutorial] Step #{step_num}"
  end
  output "\n"

  num_steps = tutorial.num_steps
  @git.save!(tutorial) do |step_num|
    output "\r\e[K[Tutorial -> repo/] Step #{step_num}/#{num_steps}"
  end
  output "\n"

  @config.synced!
end

#needs!(*whats) ⇒ Object 



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# File 'lib/leg/commands/base_command.rb', line 45

def needs!(*whats)
  whats.each do |what|
    case what
    when :config
      if @config.nil?
        puts "Error: You are not in a leg working directory."
        exit 1
      end
    when :repo
      if @litdiff.modified? and @git.modified?
        puts "Error: doc/ and .leg/repo have diverged!"
        exit 1
      elsif @litdiff.modified? or !@git.exists?
        litdiff_to_git!
      end
    end
  end
end

#output(text) ⇒ Object 



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# File 'lib/leg/commands/base_command.rb', line 64

def output(text)
  print text unless @opts[:quiet]
end

#parseopts! ⇒ Object 



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# File 'lib/leg/commands/base_command.rb', line 23

def parseopts!
  parser = OptionParser.new do |o|
    o.banner = "Usage: leg #{self.class.name} #{self.class.usage}"
    self.class.summary.split("\n").each do |line|
      o.separator "    #{line}"
    end
    o.separator ""
    o.separator "Options:"
    setopts!(o)
    o.on_tail("-h", "--help", "Show this message") do
      puts o
      exit
    end
  end
  @opts = {}
  parser.parse!(@args)
rescue OptionParser::InvalidOption, OptionParser::InvalidArgument => e
  puts "#{e.message}"
  puts
  parser.parse("--help")
end

#run ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/leg/commands/base_command.rb', line 17

def run; raise NotImplementedError; end

#setopts!(o) ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/leg/commands/base_command.rb', line 16

def setopts!(o); raise NotImplementedError; end