Class: Fiddle::CStruct

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Instance Chain: self, Enumerable
Inherits:	Object
Defined in:	ext/fiddle/lib/fiddle/struct.rb

Overview

A base class for objects representing a C structure

Class Method Summary

.entity_class

accessor to CStructEntity

Class Method Details

.entity_class

accessor to CStructEntity

[ GitHub ]

# File 'ext/fiddle/lib/fiddle/struct.rb', line 12


def CStruct.entity_class
  CStructEntity
end

Instance Method Details

#each

[ GitHub ]

# File 'ext/fiddle/lib/fiddle/struct.rb', line 16


def each
  return enum_for(__function__) unless block_given?

  self.class.members.each do |name,|
    yield(self[name])
  end
end

#each_pair

[ GitHub ]

# File 'ext/fiddle/lib/fiddle/struct.rb', line 24


def each_pair
  return enum_for(__function__) unless block_given?

  self.class.members.each do |name,|
    yield(name, self[name])
  end
end

#replace(another)

[ GitHub ]

# File 'ext/fiddle/lib/fiddle/struct.rb', line 40


def replace(another)
  if another.nil?
    self.class.members.each do |name,|
      self[name] = nil
    end
  elsif another.respond_to?(:each_pair)
    another.each_pair do |name, value|
      self[name] = value
    end
  else
    another.each do |name, value|
      self[name] = value
    end
  end
  self
end

#to_h

[ GitHub ]

# File 'ext/fiddle/lib/fiddle/struct.rb', line 32


def to_h
  hash = {}
  each_pair do |name, value|
    hash[name] = unstruct(value)
  end
  hash
end

#unstruct(value) (private)

[ GitHub ]

# File 'ext/fiddle/lib/fiddle/struct.rb', line 58


def unstruct(value)
  case value
  when CStruct
    value.to_h
  when Array
    value.collect do |v|
      unstruct(v)
    end
  else
    value
  end
end