Module: GirFFI::FlagsBase

Includes:
FFI::DataConverter, RegisteredTypeBase
Defined in:
lib/gir_ffi/flags_base.rb

Overview

Base module for flags.

Instance Method Summary collapse

Methods included from RegisteredTypeBase

#gtype

Methods included from TypeBase

#gir_ffi_builder, #gir_info

Instance Method Details

#[](arg) ⇒ Object 



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# File 'lib/gir_ffi/flags_base.rb', line 25

def [](arg)
  self::BitMask[arg]
end

#copy_value_to_pointer(value, pointer) ⇒ Object 



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# File 'lib/gir_ffi/flags_base.rb', line 37

def copy_value_to_pointer(value, pointer)
  pointer.put_int32 0, to_native(value, nil)
end

#from(arg) ⇒ Object 



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# File 'lib/gir_ffi/flags_base.rb', line 33

def from(arg)
  self[arg]
end

#from_native(*args) ⇒ Object 



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# File 'lib/gir_ffi/flags_base.rb', line 21

def from_native(*args)
  self::BitMask.from_native(*args).select { |_k, v| v }
end

#get_value_from_pointer(pointer, offset) ⇒ Object 



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# File 'lib/gir_ffi/flags_base.rb', line 41

def get_value_from_pointer(pointer, offset)
  from_native pointer.get_int32(offset), nil
end

#native_type ⇒ Object 



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# File 'lib/gir_ffi/flags_base.rb', line 9

def native_type
  self::BitMask.native_type
end

#setup_and_call(method, arguments, &block) ⇒ Object 



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# File 'lib/gir_ffi/flags_base.rb', line 45

def setup_and_call(method, arguments, &block)
  result = setup_method method.to_s

  unless result
    raise "Unable to set up method #{method} in #{self}"
  end

  send method, *arguments, &block
end

#setup_method(name) ⇒ Object 



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# File 'lib/gir_ffi/flags_base.rb', line 59

def setup_method(name)
  gir_ffi_builder.setup_method name
end

#to_ffi_type ⇒ Object 



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# File 'lib/gir_ffi/flags_base.rb', line 55

def to_ffi_type
  self
end

#to_native(value, context) ⇒ Object 



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# File 'lib/gir_ffi/flags_base.rb', line 13

def to_native(value, context)
  case value
  when Symbol
    value = { value => true }
  end
  self::BitMask.to_native(value, context)
end

#wrap(arg) ⇒ Object 



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# File 'lib/gir_ffi/flags_base.rb', line 29

def wrap(arg)
  self[arg]
end