Class: Escort::Setup::Dsl::Options

Inherits:
Object
  • Object
show all
Defined in:
lib/escort/setup/dsl/options.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(command_name = :global) ⇒ Options

Returns a new instance of Options


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# File 'lib/escort/setup/dsl/options.rb', line 13

def initialize(command_name = :global)
  @command_name = command_name
  @options = {}
  @dependencies = {}
  @conflicts = {}
  @validations = {}
end

Class Method Details

.options(command_name, instance, &block) ⇒ Object


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# File 'lib/escort/setup/dsl/options.rb', line 6

def options(command_name, instance, &block)
  block.call(instance) if block_given?
rescue => e
  raise Escort::ClientError.new("Problem with syntax of #{instance.instance_variable_get(:"@command_name")} options block", e)
end

Instance Method Details

#conflict(*opts) ⇒ Object


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# File 'lib/escort/setup/dsl/options.rb', line 42

def conflict(*opts)
  opts.each do |opt|
    conflicts_for_opt = opts.reject{|value| value == opt}
    @conflicts[opt] ||= []
    @conflicts[opt] += conflicts_for_opt
    @conflicts[opt].uniq!
  end
end

#dependency(option_name, opts = {}) ⇒ Object


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# File 'lib/escort/setup/dsl/options.rb', line 33

def dependency(option_name, opts = {})
  ensure_dependency_specification_syntax(opts)
  @dependencies[option_name] ||= []
  rules_as_array(opts).each do |rule|
    ensure_no_self_dependency(option_name, rule)
    @dependencies[option_name] << rule
  end
end

#opt(name, desc = "", opts = {}) ⇒ Object


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# File 'lib/escort/setup/dsl/options.rb', line 21

def opt(name, desc="", opts={})
  opts[:desc] ||= desc
  @options[name] ||= opts
  dependency(name, :on => opts[:depends_on]) if opts[:depends_on]
  conflict(*[name, opts[:conflicts_with]].flatten) if opts[:conflicts_with]
end

#validate(name, description, &block) ⇒ Object


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# File 'lib/escort/setup/dsl/options.rb', line 28

def validate(name, description, &block)
  @validations[name] ||= []
  @validations[name] << {:desc => description, :block => block}
end