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57d64b111f
These follow GObject conventions, using `G_TYPE_CHECK_INSTANCE_CAST` to cast to the given type, and potentially performing some runtime checks of the type instance’s `GType` too. Signed-off-by: Philip Withnall <pwithnall@gnome.org> Fixes: #3216
149 lines
4.8 KiB
C
149 lines
4.8 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
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* GObject introspection: Type
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*
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* Copyright (C) 2005 Matthias Clasen
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* Copyright (C) 2008,2009 Red Hat, Inc.
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#pragma once
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#if !defined (__GIREPOSITORY_H_INSIDE__) && !defined (GI_COMPILATION)
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#error "Only <girepository.h> can be included directly."
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#endif
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#include <girepository/gitypes.h>
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G_BEGIN_DECLS
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#define GI_TYPE_TYPE_INFO (gi_type_info_get_type ())
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/**
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* GI_TYPE_INFO:
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* @info: Info object which is subject to casting.
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*
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* Casts a [type@GIRepository.TypeInfo] or derived pointer into a
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* `(GITypeInfo*)` pointer.
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*
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* Depending on the current debugging level, this function may invoke
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* certain runtime checks to identify invalid casts.
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*
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* Since: 2.80
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*/
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#define GI_TYPE_INFO(info) (G_TYPE_CHECK_INSTANCE_CAST ((info), GI_TYPE_TYPE_INFO, GITypeInfo))
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/**
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* GI_IS_TYPE_INFO:
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* @info: an info structure
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*
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* Checks if @info is a [alias@GIRepository.TypeInfo] (or a derived type).
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*
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* Since: 2.80
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*/
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#define GI_IS_TYPE_INFO(info) (G_TYPE_CHECK_INSTANCE_TYPE ((info), GI_TYPE_TYPE_INFO))
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/**
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* GI_TYPE_TAG_IS_BASIC:
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* @tag: a type tag
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*
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* Checks if @tag is a basic type.
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*
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* Since: 2.80
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*/
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#define GI_TYPE_TAG_IS_BASIC(tag) ((tag) < GI_TYPE_TAG_ARRAY || (tag) == GI_TYPE_TAG_UNICHAR)
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/**
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* GI_TYPE_TAG_IS_NUMERIC:
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* @tag: a type tag
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*
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* Checks if @tag is a numeric type. That is, integer or floating point.
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*
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* Since: 2.80
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*/
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#define GI_TYPE_TAG_IS_NUMERIC(tag) ((tag) >= GI_TYPE_TAG_INT8 && (tag) <= GI_TYPE_TAG_DOUBLE)
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/**
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* GI_TYPE_TAG_IS_CONTAINER:
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* @tag: a type tag
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*
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* Checks if @tag is a container type. That is, a type which may have a nonnull
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* return from [method@GIRepository.TypeInfo.get_param_type].
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*
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* Since: 2.80
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*/
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#define GI_TYPE_TAG_IS_CONTAINER(tag) ((tag) == GI_TYPE_TAG_ARRAY || \
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((tag) >= GI_TYPE_TAG_GLIST && (tag) <= GI_TYPE_TAG_GHASH))
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GI_AVAILABLE_IN_ALL
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const char * gi_type_tag_to_string (GITypeTag type);
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GI_AVAILABLE_IN_ALL
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const char * gi_info_type_to_string (GIInfoType type);
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GI_AVAILABLE_IN_ALL
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gboolean gi_type_info_is_pointer (GITypeInfo *info);
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GI_AVAILABLE_IN_ALL
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GITypeTag gi_type_info_get_tag (GITypeInfo *info);
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GI_AVAILABLE_IN_ALL
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GITypeInfo * gi_type_info_get_param_type (GITypeInfo *info,
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unsigned int n);
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GI_AVAILABLE_IN_ALL
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GIBaseInfo * gi_type_info_get_interface (GITypeInfo *info);
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GI_AVAILABLE_IN_ALL
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gboolean gi_type_info_get_array_length_index (GITypeInfo *info,
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unsigned int *out_length_index);
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GI_AVAILABLE_IN_ALL
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gboolean gi_type_info_get_array_fixed_size (GITypeInfo *info,
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size_t *out_size);
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GI_AVAILABLE_IN_ALL
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gboolean gi_type_info_is_zero_terminated (GITypeInfo *info);
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GI_AVAILABLE_IN_ALL
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GIArrayType gi_type_info_get_array_type (GITypeInfo *info);
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GI_AVAILABLE_IN_ALL
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GITypeTag gi_type_info_get_storage_type (GITypeInfo *info);
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GI_AVAILABLE_IN_ALL
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void gi_type_info_argument_from_hash_pointer (GITypeInfo *info,
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void *hash_pointer,
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GIArgument *arg);
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GI_AVAILABLE_IN_ALL
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void * gi_type_info_hash_pointer_from_argument (GITypeInfo *info,
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GIArgument *arg);
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GI_AVAILABLE_IN_ALL
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void gi_type_tag_argument_from_hash_pointer (GITypeTag storage_type,
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void *hash_pointer,
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GIArgument *arg);
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GI_AVAILABLE_IN_ALL
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void * gi_type_tag_hash_pointer_from_argument (GITypeTag storage_type,
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GIArgument *arg);
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G_END_DECLS
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