Module: Convection::DSL::Helpers

Extended by:
Forwardable
Includes:
IntrinsicFunctions
Included in:
Cloudfile, Template, Model::Mixin::Policy, Model::Mixin::Policy::Statement, Model::Template::Condition, Model::Template::Mapping, Model::Template::Output, Model::Template::Parameter, Model::Template::Resource, Model::Template::ResourceProperty
Defined in:
lib/convection/dsl/helpers.rb

Overview

Helper methods for creating templates

Class Method Summary collapse

Instance Method Summary collapse

Methods included from IntrinsicFunctions

#base64, #find_in_map, #fn_and, #fn_equals, #fn_if, #fn_not, #fn_or, #fn_ref, #get_att, #get_azs, #join, #select

Class Method Details

.included(mod) ⇒ Object 



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# File 'lib/convection/dsl/helpers.rb', line 37

def included(mod)
  mod.extend(DSL::ClassHelpers)
end

.method_name(cf_type) ⇒ Object 



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# File 'lib/convection/dsl/helpers.rb', line 41

def method_name(cf_type)
  nodes = cf_type.split('::')
  nodes.shift # Remove AWS::

  ## Cammel-case to snake-case
  nodes.map! do |n|
    n.split(/([A-Z0-9])(?![A-Z0-9])(?<!$)/)
     .reject(&:empty?)
     .reduce('') { |a, e| (e.length == 1 && !a.empty?) ? a + "_#{e}" : a + e }
     .downcase
  end

  nodes.join('_').downcase
end

Instance Method Details

#camel_case(str) ⇒ Object

Convert various casings to CamelCase



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# File 'lib/convection/dsl/helpers.rb', line 58

def camel_case(str)
  str.downcase.split(/[\.\-_]/).map(&:capitalize).join
end

#screaming_snake_case(str) ⇒ Object

Convert various casings to SCREAMING_SNAKE_CASE



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# File 'lib/convection/dsl/helpers.rb', line 68

def screaming_snake_case(str)
  str.upcase.split(/[\.\-_]/).join('_')
end

#snake_case(str) ⇒ Object

Convert various casings to snake_case



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# File 'lib/convection/dsl/helpers.rb', line 63

def snake_case(str)
  str.downcase.split(/[\.\-_]/).join('_')
end