Module: GirFFI::Builder

Extended by:
BuilderHelper
Defined in:
lib/gir_ffi/builder.rb

Overview

Builds modules and classes based on information found in the introspection repository. Call its build_module and build_class methods to create the modules and classes used in your program.

Class Method Summary collapse

Methods included from BuilderHelper

get_or_define_class, get_or_define_module, optionally_define_constant

Class Method Details

.attach_ffi_function(lib, info) ⇒ Object

TODO: Move elsewhere, perhaps to FunctionBuilder.



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# File 'lib/gir_ffi/builder.rb', line 53

def self.attach_ffi_function(lib, info)
  sym = info.symbol
  return if lib.method_defined? sym

  lib.attach_function sym, info.argument_ffi_types, info.return_ffi_type
end

.build_by_gtype(gtype) ⇒ Object 



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# File 'lib/gir_ffi/builder.rb', line 20

def self.build_by_gtype(gtype)
  info = GObjectIntrospection::IRepository.default.find_by_gtype gtype
  info ||= begin
             fund = GObject.type_fundamental gtype
             if fund == GObject::TYPE_BOXED
               UnintrospectableBoxedInfo.new gtype
             elsif fund == GObject::TYPE_OBJECT ||
                   fund >= GObject::TYPE_RESERVED_USER_FIRST
               UnintrospectableTypeInfo.new gtype
             else
               raise "Unable to handle type #{GObject.type_name gtype}"
             end
           end

  build_class info
end

.build_class(info) ⇒ Object 



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# File 'lib/gir_ffi/builder.rb', line 16

def self.build_class(info)
  Builders::TypeBuilder.build(info)
end

.build_module(namespace, version = nil) ⇒ Object 



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

def self.build_module(namespace, version = nil)
  module_name = namespace.sub(/\A./, &:upcase)
  if const_defined? module_name
    modul = const_get module_name
    unless modul.const_defined? :GIR_FFI_BUILDER
      raise "The module #{module_name} was already defined elsewhere"
    end

    return modul
  end
  Builders::ModuleBuilder.new(module_name,
                              namespace: namespace,
                              version: version).generate
end