Class: TidyFFI::OptionsContainer

Inherits:
Object
  • Object
show all
Defined in:
lib/tidy_ffi/options_container.rb

Overview

:nodoc:

Defined Under Namespace

Classes: Proxy

Instance Method Summary collapse

Constructor Details

#initialize(ops = nil) ⇒ OptionsContainer

Returns a new instance of OptionsContainer.



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# File 'lib/tidy_ffi/options_container.rb', line 3

def initialize(ops = nil)
  if ops
    @options = ops.to_hash!
  else
    @options = {}
  end
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args) ⇒ Object 



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# File 'lib/tidy_ffi/options_container.rb', line 38

def method_missing(method, *args)
  if method.to_s =~ /=$/
    key, val = method.to_s.sub(/=$/, '').intern, args.first
    validate_option(key, val)
    @options[key] = val
  else
    @options[method]
  end
end

Instance Method Details

#==(obj) ⇒ Object 



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# File 'lib/tidy_ffi/options_container.rb', line 23

def ==(obj)
  if obj.is_a?(Hash)
    @options == obj
  elsif obj.is_a?(OptionsContainer)
    obj == @options
  else
    false
  end
end

#clear! ⇒ Object 



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# File 'lib/tidy_ffi/options_container.rb', line 33

def clear!
  @options = {}
  self
end

#merge_with_options(options) ⇒ Object 



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# File 'lib/tidy_ffi/options_container.rb', line 15

def merge_with_options(options)
  options.each do |key, val|
    key = key.intern unless Symbol === key
    validate_option(key, val)
    @options[key] = val
  end
end

#to_hash! ⇒ Object 



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# File 'lib/tidy_ffi/options_container.rb', line 11

def to_hash!
  @options.dup
end

#validate_option(key, value) ⇒ Object

It’s a kinda bad method: it uses TidyFFI::Interface.option_valid and TidyFFI::Tidy.validate_options? Also it do second lookup into default options



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# File 'lib/tidy_ffi/options_container.rb', line 50

def validate_option(key, value)
  return if !TidyFFI::Tidy.validate_options? || TidyFFI::Interface.option_valid?(key, value)

  if TidyFFI::Interface.default_options[key]
    raise TidyFFI::Tidy::InvalidOptionValue, "#{value} is not a valid value for key #{key}"
  else
    raise TidyFFI::Tidy::InvalidOptionName, "#{key} is an invalid option name"
  end
end