Class: BinData::MultiFieldArgExtractor
- Inherits:
-
Object
- Object
- BinData::MultiFieldArgExtractor
- Defined in:
- lib/bindata/dsl.rb
Overview
Extracts args for Records and Buffers.
Foo.new(:bar => “baz) is ambiguous as to whether :bar is a value or parameter.
BaseArgExtractor always assumes :bar is parameter. This extractor correctly identifies it as value or parameter.
Class Method Summary collapse
- .extract(the_class, the_args) ⇒ Object
- .field_names_in_parameters?(the_class, parameters) ⇒ Boolean
- .parameters_is_value?(the_class, value, parameters) ⇒ Boolean
Class Method Details
.extract(the_class, the_args) ⇒ Object
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# File 'lib/bindata/dsl.rb', line 10 def extract(the_class, the_args) value, parameters, parent = BaseArgExtractor.extract(the_class, the_args) if parameters_is_value?(the_class, value, parameters) value = parameters parameters = {} end [value, parameters, parent] end |
.field_names_in_parameters?(the_class, parameters) ⇒ Boolean
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# File 'lib/bindata/dsl.rb', line 29 def field_names_in_parameters?(the_class, parameters) field_names = the_class.fields.field_names param_keys = parameters.keys (field_names & param_keys).length > 0 end |
.parameters_is_value?(the_class, value, parameters) ⇒ Boolean
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# File 'lib/bindata/dsl.rb', line 21 def parameters_is_value?(the_class, value, parameters) if value.nil? and parameters.length > 0 field_names_in_parameters?(the_class, parameters) else false end end |