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BinData::Registry

This registry contains a register of name -> class mappings.

Numerics (integers and floating point numbers) have an endian property as part of their name (e.g. int32be, float_le). The lookup can either be on the full name, or on the shortened name plus endian (e.g. “int32”, :big)

Names are stored in under_score_style, not camelCase.

Public Class Methods

new() click to toggle source
# File lib/bindata/registry.rb, line 14
def initialize
  @registry = {}
end

Public Instance Methods

lookup(name, endian = nil) click to toggle source
# File lib/bindata/registry.rb, line 31
def lookup(name, endian = nil)
  key = normalize_name(name, endian)
  @registry[key] || raise(UnRegisteredTypeError, name.to_s)
end
normalize_name(name, endian = nil) click to toggle source
# File lib/bindata/registry.rb, line 36
def normalize_name(name, endian = nil)
  name = underscore_name(name)
  return name if is_registered?(name)

  name = name_with_endian(name, endian)
  return name if is_registered?(name)

  name
end
register(name, class_to_register) click to toggle source
# File lib/bindata/registry.rb, line 18
def register(name, class_to_register)
  return if class_to_register.nil?

  formatted_name = underscore_name(name)
  warn_if_name_is_already_registered(formatted_name, class_to_register)

  @registry[formatted_name] = class_to_register
end
underscore_name(name) click to toggle source

Convert CamelCase name to underscore style.

# File lib/bindata/registry.rb, line 47
def underscore_name(name)
  name.to_s.sub(/.*::/, "").
            gsub(/([A-Z]+)([A-Z][a-z])/,'\1_\2').
            gsub(/([a-z\d])([A-Z])/,'\1_\2').
            tr("-", "_").
            downcase
end
unregister(name) click to toggle source
# File lib/bindata/registry.rb, line 27
def unregister(name)
  @registry.delete(underscore_name(name))
end

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