Class: Bookbinder::CommandValidator

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

Defined Under Namespace

Classes: Candidate

Instance Method Summary collapse

Constructor Details

#initialize(commands, usage_text) ⇒ CommandValidator

Returns a new instance of CommandValidator.



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# File 'lib/bookbinder/command_validator.rb', line 8

def initialize(commands, usage_text)
  @commands = commands
  @usage_text = usage_text
end

Instance Method Details

#validate(command_name) ⇒ Object 



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# File 'lib/bookbinder/command_validator.rb', line 13

def validate(command_name)
  candidate = Candidate.new(command_name, commands)
  if candidate.unrecognized?
    UserMessage.new(
      "Unrecognized #{candidate.command_type} '#{command_name}'\n#{usage_text}",
      EscalationType.error
    )
  elsif candidate.deprecated_match
    UserMessage.new(
      "Use of #{command_name} is deprecated. " +
      "The preferred usage is below: \nbookbinder #{candidate.deprecated_match.usage[0]}",
      EscalationType.warn
    )
  else
    UserMessage.new "Success", EscalationType.success
  end
end