Class: GirFFI::Boolean

Inherits:

Object

• Object
• GirFFI::Boolean

Extended by:

FFI::DataConverter

Defined in:

lib/gir_ffi/boolean.rb

Overview

Class representing a boolean (natively, an int).

Constant Summary

FROM_NATIVE =

{ 0 => false, 1 => true }.freeze

TO_NATIVE =

FROM_NATIVE.invert

Class Method Summary

• .copy_value_to_pointer(value, pointer, offset = 0) ⇒ Object
• .from_native(value, _context) ⇒ Object
• .get_value_from_pointer(pointer, offset) ⇒ Object
• .size ⇒ Object
• .to_native(value, _context) ⇒ Object

Class Method Details

.copy_value_to_pointer(value, pointer, offset = 0) ⇒ Object

# File 'lib/gir_ffi/boolean.rb', line 26

def self.copy_value_to_pointer(value, pointer, offset = 0)
  pointer.put_int offset, to_native(value, nil)
end

.from_native(value, _context) ⇒ Object

# File 'lib/gir_ffi/boolean.rb', line 14

def self.from_native(value, _context)
  FROM_NATIVE.fetch(value)
end

.get_value_from_pointer(pointer, offset) ⇒ Object

# File 'lib/gir_ffi/boolean.rb', line 30

def self.get_value_from_pointer(pointer, offset)
  from_native pointer.get_int(offset), nil
end

.size ⇒ Object

# File 'lib/gir_ffi/boolean.rb', line 22

def self.size
  FFI.type_size FFI::Type::INT
end

.to_native(value, _context) ⇒ Object

# File 'lib/gir_ffi/boolean.rb', line 18

def self.to_native(value, _context)
  TO_NATIVE.fetch(value ? true : false)
end