Class: BinData::Registry

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/bindata/registry.rb

Overview

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

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Registry

Returns a new instance of Registry.



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# File 'lib/bindata/registry.rb', line 8

def initialize
  @registry = {}
end

Instance Method Details

#lookup(name) ⇒ Object

Returns the class matching a previously registered name.



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# File 'lib/bindata/registry.rb', line 33

def lookup(name)
  @registry[name.to_s]
end

#register(name, klass) ⇒ Object

Registers the mapping of name to klass. name is converted from camelCase to underscore style. Returns the converted name



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# File 'lib/bindata/registry.rb', line 15

def register(name, klass)
  # convert camelCase name to underscore style
  underscore_name = name.to_s.sub(/.*::/, "").
                         gsub(/([A-Z]+)([A-Z][a-z])/,'\1_\2').
                         gsub(/([a-z\d])([A-Z])/,'\1_\2').
                         tr("-", "_").
                         downcase

  # warn if replacing an existing class
  if $VERBOSE and (existing = @registry[underscore_name])
    warn "warning: replacing registered class #{existing} with #{klass}"
  end

  @registry[underscore_name] = klass
  underscore_name.dup
end