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11e8075e51
Otherwise there’s no obvious suitable return value to return when the union is *not* discriminated. This is an API break, but libgirepository has not been in a stable release yet, so that’s fine. Signed-off-by: Philip Withnall <pwithnall@gnome.org> Helps: #3155
106 lines
3.5 KiB
C
106 lines
3.5 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
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* GObject introspection: Union
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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_UNION_INFO (gi_union_info_get_type ())
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/**
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* GI_UNION_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.UnionInfo] or derived pointer into a
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* `(GIUnionInfo*)` 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_UNION_INFO(info) (G_TYPE_CHECK_INSTANCE_CAST ((info), GI_TYPE_UNION_INFO, GIUnionInfo))
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/**
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* GI_IS_UNION_INFO:
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* @info: an info structure
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*
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* Checks if @info is a [struct@GIRepository.UnionInfo] (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_UNION_INFO(info) (G_TYPE_CHECK_INSTANCE_TYPE ((info), GI_TYPE_UNION_INFO))
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GI_AVAILABLE_IN_ALL
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unsigned int gi_union_info_get_n_fields (GIUnionInfo *info);
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GI_AVAILABLE_IN_ALL
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GIFieldInfo * gi_union_info_get_field (GIUnionInfo *info,
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unsigned int n);
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GI_AVAILABLE_IN_ALL
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unsigned int gi_union_info_get_n_methods (GIUnionInfo *info);
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GI_AVAILABLE_IN_ALL
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GIFunctionInfo * gi_union_info_get_method (GIUnionInfo *info,
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unsigned int n);
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GI_AVAILABLE_IN_ALL
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gboolean gi_union_info_is_discriminated (GIUnionInfo *info);
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GI_AVAILABLE_IN_ALL
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gboolean gi_union_info_get_discriminator_offset (GIUnionInfo *info,
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size_t *out_offset);
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GI_AVAILABLE_IN_ALL
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GITypeInfo * gi_union_info_get_discriminator_type (GIUnionInfo *info);
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GI_AVAILABLE_IN_ALL
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GIConstantInfo * gi_union_info_get_discriminator (GIUnionInfo *info,
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size_t n);
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GI_AVAILABLE_IN_ALL
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GIFunctionInfo * gi_union_info_find_method (GIUnionInfo *info,
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const char *name);
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GI_AVAILABLE_IN_ALL
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size_t gi_union_info_get_size (GIUnionInfo *info);
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GI_AVAILABLE_IN_ALL
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size_t gi_union_info_get_alignment (GIUnionInfo *info);
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GI_AVAILABLE_IN_ALL
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const char * gi_union_info_get_copy_function_name (GIUnionInfo *info);
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GI_AVAILABLE_IN_ALL
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const char * gi_union_info_get_free_function_name (GIUnionInfo *info);
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G_END_DECLS
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