Class: Foobara::BuiltinTypes::Float::Casters::String

Inherits:
Value::Caster show all
Defined in:
foobara-0.0.110/projects/builtin_types/src/float/casters/string.rb

Constant Summary collapse

FLOAT_REGEX =
/^-?\d+(\.\d+)?([eE]-?\d+)?$/

Instance Attribute Summary

Attributes inherited from Value::Processor

#created_in_namespace, #declaration_data, #parent_declaration_data

Instance Method Summary collapse

Methods inherited from Value::Caster

create, foobara_manifest, requires_declaration_data?, subclass, #transform

Methods inherited from Value::Transformer

create, error_classes, foobara_manifest, #process_value, subclass, #transform

Methods inherited from Value::Processor

#always_applicable?, #attribute_name, #build_error, default_declaration_data, #dup_processor, error_class, error_classes, #error_context, #error_message, #error_path, foobara_manifest, #foobara_manifest, #initialize, #inspect, instance, #method_missing, #name, new_with_agnostic_args, #possible_errors, #priority, #process_outcome, #process_outcome!, #process_value, #process_value!, processor_name, requires_declaration_data?, requires_parent_declaration_data?, #respond_to_missing?, #runner, symbol

Methods included from IsManifestable

#foobara_domain, #foobara_manifest, #foobara_organization, #scoped_clear_caches

Methods included from Concern

foobara_class_methods_module_for, foobara_concern?, included

Constructor Details

This class inherits a constructor from Foobara::Value::Processor

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Foobara::Value::Processor

Instance Method Details

#applicable?(value) ⇒ Boolean

Returns:



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# File 'foobara-0.0.110/projects/builtin_types/src/float/casters/string.rb', line 8

def applicable?(value)
  value.is_a?(::String) && value =~ FLOAT_REGEX
end

#applies_messageObject



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# File 'foobara-0.0.110/projects/builtin_types/src/float/casters/string.rb', line 12

def applies_message
  "be a string of digits with one decimal point optionally amongst " \
    "them and optionally with a minus sign in front and optionally an exponent denoted with e"
end

#cast(string) ⇒ Object



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# File 'foobara-0.0.110/projects/builtin_types/src/float/casters/string.rb', line 17

def cast(string)
  string.to_f
end