Class: GObjectIntrospection::IRepository

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/ffi-gobject_introspection/i_repository.rb

Overview

The Gobject Introspection Repository. This class is the point of access to the introspection typelibs. This class wraps the GIRepository struct.

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ IRepository

Returns a new instance of IRepository.



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# File 'lib/ffi-gobject_introspection/i_repository.rb', line 14

def initialize
  @pointer = Lib.g_irepository_get_default
end

Class Method Details

.default ⇒ Object 



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# File 'lib/ffi-gobject_introspection/i_repository.rb', line 24

def self.default
  instance
end

.prepend_search_path(path) ⇒ Object 



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# File 'lib/ffi-gobject_introspection/i_repository.rb', line 28

def self.prepend_search_path(path)
  Lib.g_irepository_prepend_search_path path
end

.type_tag_to_string(type) ⇒ Object 



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# File 'lib/ffi-gobject_introspection/i_repository.rb', line 32

def self.type_tag_to_string(type)
  Lib.g_type_tag_to_string type
end

.wrap_ibaseinfo_pointer(ptr) ⇒ Object 



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# File 'lib/ffi-gobject_introspection/i_repository.rb', line 87

def self.wrap_ibaseinfo_pointer(ptr)
  return nil if ptr.null?

  type = Lib.g_base_info_get_type ptr
  klass = TYPEMAP[type]
  klass.wrap ptr
end

Instance Method Details

#dependencies(namespace) ⇒ Object 



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# File 'lib/ffi-gobject_introspection/i_repository.rb', line 73

def dependencies(namespace)
  strv_p = Lib.g_irepository_get_dependencies(self, namespace)
  strv = Strv.new strv_p
  strv.to_a
end

#find_by_gtype(gtype) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/ffi-gobject_introspection/i_repository.rb', line 66

def find_by_gtype(gtype)
  raise ArgumentError, "Type #{gtype} is not a valid type" if gtype == 0

  @gtype_cache ||= {}
  @gtype_cache[gtype] ||= wrap_info Lib.g_irepository_find_by_gtype(self, gtype)
end

#find_by_name(namespace, name) ⇒ Object 



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# File 'lib/ffi-gobject_introspection/i_repository.rb', line 60

def find_by_name(namespace, name)
  @name_cache ||= {}
  @name_cache[[namespace, name]] ||=
    wrap_info Lib.g_irepository_find_by_name(self, namespace, name)
end

#info(namespace, index) ⇒ Object 



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# File 'lib/ffi-gobject_introspection/i_repository.rb', line 49

def info(namespace, index)
  wrap_info Lib.g_irepository_get_info(self, namespace, index)
end

#infos(namespace) ⇒ Object

Utility method



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# File 'lib/ffi-gobject_introspection/i_repository.rb', line 54

def infos(namespace)
  (0..(n_infos(namespace) - 1)).map do |idx|
    info namespace, idx
  end
end

#n_infos(namespace) ⇒ Object 



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# File 'lib/ffi-gobject_introspection/i_repository.rb', line 45

def n_infos(namespace)
  Lib.g_irepository_get_n_infos self, namespace
end

#require(namespace, version = nil, flags = 0) ⇒ Object 



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# File 'lib/ffi-gobject_introspection/i_repository.rb', line 36

def require(namespace, version = nil, flags = 0)
  errpp = FFI::MemoryPointer.new(:pointer).write_pointer nil

  Lib.g_irepository_require self, namespace, version, flags, errpp

  errp = errpp.read_pointer
  raise GError.new(errp).message unless errp.null?
end

#shared_library(namespace) ⇒ Object 



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# File 'lib/ffi-gobject_introspection/i_repository.rb', line 79

def shared_library(namespace)
  Lib.g_irepository_get_shared_library self, namespace
end

#to_ptr ⇒ Object 



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# File 'lib/ffi-gobject_introspection/i_repository.rb', line 18

def to_ptr
  @pointer
end

#version(namespace) ⇒ Object 



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# File 'lib/ffi-gobject_introspection/i_repository.rb', line 83

def version(namespace)
  Lib.g_irepository_get_version self, namespace
end