mirror of https://gitee.com/openkylin/glib2.0.git
422 lines
13 KiB
C
422 lines
13 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
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* GObject introspection: types
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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 <stdint.h>
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#include <glib.h>
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#include <glib-object.h>
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#include "gi-visibility.h"
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G_BEGIN_DECLS
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/* Documented in gibaseinfo.c */
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typedef struct _GIBaseInfo GIBaseInfo;
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typedef struct _GIBaseInfoClass GIBaseInfoClass;
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typedef struct
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{
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/*< private >*/
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GTypeInstance parent_instance;
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int dummy0;
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void *dummy1[3];
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uint32_t dummy2[2];
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void *dummy3[6];
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} GIBaseInfoStack;
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/* Documented in gicallableinfo.c */
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typedef struct _GICallableInfo GICallableInfo;
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GI_AVAILABLE_IN_ALL GType gi_callable_info_get_type (void);
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/* Documented in gifunctioninfo.c */
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typedef struct _GIFunctionInfo GIFunctionInfo;
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GI_AVAILABLE_IN_ALL GType gi_function_info_get_type (void);
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/* Documented in gicallbackinfo.c */
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typedef struct _GICallbackInfo GICallbackInfo;
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GI_AVAILABLE_IN_ALL GType gi_callback_info_get_type (void);
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/* Documented in giregisteredtypeinfo.c */
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typedef struct _GIRegisteredTypeInfo GIRegisteredTypeInfo;
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GI_AVAILABLE_IN_ALL GType gi_registered_type_info_get_type (void);
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/* Documented in gistructinfo.c */
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typedef struct _GIStructInfo GIStructInfo;
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GI_AVAILABLE_IN_ALL GType gi_struct_info_get_type (void);
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/* Documented in giunioninfo.c */
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typedef struct _GIUnionInfo GIUnionInfo;
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GI_AVAILABLE_IN_ALL GType gi_union_info_get_type (void);
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/* Documented in gienuminfo.c */
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typedef struct _GIEnumInfo GIEnumInfo;
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GI_AVAILABLE_IN_ALL GType gi_enum_info_get_type (void);
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/* Documented in giflagsinfo.c */
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typedef struct _GIFlagsInfo GIFlagsInfo;
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GI_AVAILABLE_IN_ALL GType gi_flags_info_get_type (void);
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/* Documented in giobjectinfo.c */
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typedef struct _GIObjectInfo GIObjectInfo;
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GI_AVAILABLE_IN_ALL GType gi_object_info_get_type (void);
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/* Documented in giinterfaceinfo.c */
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typedef struct _GIInterfaceInfo GIInterfaceInfo;
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GI_AVAILABLE_IN_ALL GType gi_interface_info_get_type (void);
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/* Documented in giconstantinfo.c */
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typedef struct _GIConstantInfo GIConstantInfo;
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GI_AVAILABLE_IN_ALL GType gi_constant_info_get_type (void);
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/* Documented in givalueinfo.c */
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typedef struct _GIValueInfo GIValueInfo;
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GI_AVAILABLE_IN_ALL GType gi_value_info_get_type (void);
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/* Documented in gisignalinfo.c */
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typedef struct _GISignalInfo GISignalInfo;
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GI_AVAILABLE_IN_ALL GType gi_signal_info_get_type (void);
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/* Documented in givfuncinfo.c */
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typedef struct _GIVFuncInfo GIVFuncInfo;
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GI_AVAILABLE_IN_ALL GType gi_vfunc_info_get_type (void);
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/* Documented in gipropertyinfo.c */
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typedef struct _GIPropertyInfo GIPropertyInfo;
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GI_AVAILABLE_IN_ALL GType gi_property_info_get_type (void);
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/* Documented in gifieldinfo.c */
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typedef struct _GIFieldInfo GIFieldInfo;
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GI_AVAILABLE_IN_ALL GType gi_field_info_get_type (void);
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/* Documented in giarginfo.c */
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typedef struct
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{
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/*< private >*/
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GIBaseInfoStack parent;
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void *padding[6];
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} GIArgInfo;
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GI_AVAILABLE_IN_ALL GType gi_arg_info_get_type (void);
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/* Documented in gitypeinfo.c */
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typedef struct
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{
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/*< private >*/
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GIBaseInfoStack parent;
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void *padding[6];
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} GITypeInfo;
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GI_AVAILABLE_IN_ALL GType gi_type_info_get_type (void);
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/* Documented in giunresolvedinfo.c */
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typedef struct _GIUnresolvedInfo GIUnresolvedInfo;
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GI_AVAILABLE_IN_ALL GType gi_unresolved_info_get_type (void);
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union _GIArgument
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{
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gboolean v_boolean;
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int8_t v_int8;
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uint8_t v_uint8;
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int16_t v_int16;
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uint16_t v_uint16;
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int32_t v_int32;
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uint32_t v_uint32;
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int64_t v_int64;
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uint64_t v_uint64;
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float v_float;
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double v_double;
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short v_short;
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unsigned short v_ushort;
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int v_int;
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unsigned int v_uint;
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long v_long;
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unsigned long v_ulong;
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gssize v_ssize;
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size_t v_size;
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char *v_string;
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void *v_pointer;
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};
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/**
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* GIArgument:
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* @v_boolean: boolean value
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* @v_int8: 8-bit signed integer value
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* @v_uint8: 8-bit unsigned integer value
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* @v_int16: 16-bit signed integer value
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* @v_uint16: 16-bit unsigned integer value
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* @v_int32: 32-bit signed integer value
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* @v_uint32: 32-bit unsigned integer value
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* @v_int64: 64-bit signed integer value
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* @v_uint64: 64-bit unsigned integer value
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* @v_float: single float value
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* @v_double: double float value
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* @v_short: signed short integer value
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* @v_ushort: unsigned short integer value
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* @v_int: signed integer value
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* @v_uint: unsigned integer value
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* @v_long: signed long integer value
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* @v_ulong: unsigned long integer value
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* @v_ssize: sized `size_t` value
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* @v_size: unsigned `size_t` value
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* @v_string: nul-terminated string value
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* @v_pointer: arbitrary pointer value
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*
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* Stores an argument of varying type.
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*
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* Since: 2.80
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*/
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typedef union _GIArgument GIArgument;
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/**
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* GITransfer:
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* @GI_TRANSFER_NOTHING: Transfer nothing from the callee (function or the type
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* instance the property belongs to) to the caller. The callee retains the
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* ownership of the transfer and the caller doesn’t need to do anything to
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* free up the resources of this transfer.
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* @GI_TRANSFER_CONTAINER: Transfer the container (list, array, hash table) from
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* the callee to the caller. The callee retains the ownership of the
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* individual items in the container and the caller has to free up the
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* container resources ([func@GLib.List.free],
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* [func@GLib.HashTable.destroy], etc) of this transfer.
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* @GI_TRANSFER_EVERYTHING: Transfer everything, e.g. the container and its
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* contents from the callee to the caller. This is the case when the callee
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* creates a copy of all the data it returns. The caller is responsible for
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* cleaning up the container and item resources of this transfer.
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*
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* `GITransfer` specifies who’s responsible for freeing the resources after an
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* ownership transfer is complete.
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*
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* The transfer is the exchange of data between two parts, from the callee to
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* the caller.
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*
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* The callee is either a function/method/signal or an object/interface where a
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* property is defined. The caller is the side accessing a property or calling a
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* function.
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*
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* In the case of a containing type such as a list, an array or a hash table the
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* container itself is specified differently from the items within the
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* container. Each container is freed differently, check the documentation for
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* the types themselves for information on how to free them.
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*
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* Since: 2.80
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*/
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typedef enum {
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GI_TRANSFER_NOTHING,
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GI_TRANSFER_CONTAINER,
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GI_TRANSFER_EVERYTHING
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} GITransfer;
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/**
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* GIDirection:
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* @GI_DIRECTION_IN: ‘in’ argument.
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* @GI_DIRECTION_OUT: ‘out’ argument.
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* @GI_DIRECTION_INOUT: ‘in and out’ argument.
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*
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* The direction of a [class@GIRepository.ArgInfo].
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*
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* Since: 2.80
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*/
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typedef enum {
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GI_DIRECTION_IN,
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GI_DIRECTION_OUT,
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GI_DIRECTION_INOUT
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} GIDirection;
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/**
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* GIScopeType:
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* @GI_SCOPE_TYPE_INVALID: The argument is not of callback type.
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* @GI_SCOPE_TYPE_CALL: The callback and associated `user_data` is only
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* used during the call to this function.
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* @GI_SCOPE_TYPE_ASYNC: The callback and associated `user_data` is
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* only used until the callback is invoked, and the callback.
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* is invoked always exactly once.
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* @GI_SCOPE_TYPE_NOTIFIED: The callback and associated
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* `user_data` is used until the caller is notified via the
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* [type@GLib.DestroyNotify].
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* @GI_SCOPE_TYPE_FOREVER: The callback and associated `user_data` is
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* used until the process terminates
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*
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* Scope type of a [class@GIRepository.ArgInfo] representing callback,
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* determines how the callback is invoked and is used to decided when the invoke
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* structs can be freed.
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*
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* Since: 2.80
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*/
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typedef enum {
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GI_SCOPE_TYPE_INVALID,
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GI_SCOPE_TYPE_CALL,
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GI_SCOPE_TYPE_ASYNC,
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GI_SCOPE_TYPE_NOTIFIED,
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GI_SCOPE_TYPE_FOREVER
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} GIScopeType;
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/**
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* GITypeTag:
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* @GI_TYPE_TAG_VOID: void
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* @GI_TYPE_TAG_BOOLEAN: boolean
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* @GI_TYPE_TAG_INT8: 8-bit signed integer
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* @GI_TYPE_TAG_UINT8: 8-bit unsigned integer
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* @GI_TYPE_TAG_INT16: 16-bit signed integer
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* @GI_TYPE_TAG_UINT16: 16-bit unsigned integer
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* @GI_TYPE_TAG_INT32: 32-bit signed integer
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* @GI_TYPE_TAG_UINT32: 32-bit unsigned integer
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* @GI_TYPE_TAG_INT64: 64-bit signed integer
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* @GI_TYPE_TAG_UINT64: 64-bit unsigned integer
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* @GI_TYPE_TAG_FLOAT: float
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* @GI_TYPE_TAG_DOUBLE: double floating point
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* @GI_TYPE_TAG_GTYPE: a [type@GObject.Type]
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* @GI_TYPE_TAG_UTF8: a UTF-8 encoded string
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* @GI_TYPE_TAG_FILENAME: a filename, encoded in the same encoding
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* as the native filesystem is using.
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* @GI_TYPE_TAG_ARRAY: an array
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* @GI_TYPE_TAG_INTERFACE: an extended interface object
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* @GI_TYPE_TAG_GLIST: a [type@GLib.List]
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* @GI_TYPE_TAG_GSLIST: a [type@GLib.SList]
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* @GI_TYPE_TAG_GHASH: a [type@GLib.HashTable]
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* @GI_TYPE_TAG_ERROR: a [type@GLib.Error]
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* @GI_TYPE_TAG_UNICHAR: Unicode character
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*
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* The type tag of a [class@GIRepository.TypeInfo].
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*
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* Since: 2.80
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*/
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typedef enum {
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/* Basic types */
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GI_TYPE_TAG_VOID = 0,
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GI_TYPE_TAG_BOOLEAN = 1,
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GI_TYPE_TAG_INT8 = 2, /* Start of GI_TYPE_TAG_IS_NUMERIC types */
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GI_TYPE_TAG_UINT8 = 3,
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GI_TYPE_TAG_INT16 = 4,
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GI_TYPE_TAG_UINT16 = 5,
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GI_TYPE_TAG_INT32 = 6,
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GI_TYPE_TAG_UINT32 = 7,
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GI_TYPE_TAG_INT64 = 8,
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GI_TYPE_TAG_UINT64 = 9,
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GI_TYPE_TAG_FLOAT = 10,
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GI_TYPE_TAG_DOUBLE = 11, /* End of numeric types */
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GI_TYPE_TAG_GTYPE = 12,
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GI_TYPE_TAG_UTF8 = 13,
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GI_TYPE_TAG_FILENAME = 14,
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/* Non-basic types; compare with GI_TYPE_TAG_IS_BASIC */
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GI_TYPE_TAG_ARRAY = 15, /* container (see GI_TYPE_TAG_IS_CONTAINER) */
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GI_TYPE_TAG_INTERFACE = 16,
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GI_TYPE_TAG_GLIST = 17, /* container */
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GI_TYPE_TAG_GSLIST = 18, /* container */
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GI_TYPE_TAG_GHASH = 19, /* container */
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GI_TYPE_TAG_ERROR = 20,
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/* Another basic type */
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GI_TYPE_TAG_UNICHAR = 21
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/* Note - there is currently only room for 32 tags */
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} GITypeTag;
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/**
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* GI_TYPE_TAG_N_TYPES:
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*
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* Number of entries in [enum@GIRepository.TypeTag].
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*
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* Since: 2.80
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*/
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#define GI_TYPE_TAG_N_TYPES (GI_TYPE_TAG_UNICHAR+1)
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/**
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* GIArrayType:
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* @GI_ARRAY_TYPE_C: a C array, `char[]` for instance
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* @GI_ARRAY_TYPE_ARRAY: a [type@GLib.Array] array
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* @GI_ARRAY_TYPE_PTR_ARRAY: a [type@GLib.PtrArray] array
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* @GI_ARRAY_TYPE_BYTE_ARRAY: a [type@GLib.ByteArray] array
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*
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* The type of array in a [class@GIRepository.TypeInfo].
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*
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* Since: 2.80
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*/
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typedef enum {
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GI_ARRAY_TYPE_C,
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GI_ARRAY_TYPE_ARRAY,
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GI_ARRAY_TYPE_PTR_ARRAY,
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GI_ARRAY_TYPE_BYTE_ARRAY
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} GIArrayType;
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/**
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* GIFieldInfoFlags:
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* @GI_FIELD_IS_READABLE: field is readable.
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* @GI_FIELD_IS_WRITABLE: field is writable.
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*
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* Flags for a [class@GIRepository.FieldInfo].
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*
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* Since: 2.80
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*/
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typedef enum
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{
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GI_FIELD_IS_READABLE = 1 << 0,
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GI_FIELD_IS_WRITABLE = 1 << 1
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} GIFieldInfoFlags;
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/**
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* GIVFuncInfoFlags:
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* @GI_VFUNC_MUST_CHAIN_UP: chains up to the parent type
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* @GI_VFUNC_MUST_OVERRIDE: overrides
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* @GI_VFUNC_MUST_NOT_OVERRIDE: does not override
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*
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* Flags of a [class@GIRepository.VFuncInfo] struct.
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*
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* Since: 2.80
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*/
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typedef enum
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{
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GI_VFUNC_MUST_CHAIN_UP = 1 << 0,
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GI_VFUNC_MUST_OVERRIDE = 1 << 1,
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GI_VFUNC_MUST_NOT_OVERRIDE = 1 << 2,
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} GIVFuncInfoFlags;
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/**
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* GIFunctionInfoFlags:
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* @GI_FUNCTION_IS_METHOD: is a method.
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* @GI_FUNCTION_IS_CONSTRUCTOR: is a constructor.
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* @GI_FUNCTION_IS_GETTER: is a getter of a [class@GIRepository.PropertyInfo].
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* @GI_FUNCTION_IS_SETTER: is a setter of a [class@GIRepository.PropertyInfo].
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* @GI_FUNCTION_WRAPS_VFUNC: represents a virtual function.
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*
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* Flags for a [class@GIRepository.FunctionInfo] struct.
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*
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* Since: 2.80
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*/
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typedef enum
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{
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GI_FUNCTION_IS_METHOD = 1 << 0,
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GI_FUNCTION_IS_CONSTRUCTOR = 1 << 1,
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GI_FUNCTION_IS_GETTER = 1 << 2,
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GI_FUNCTION_IS_SETTER = 1 << 3,
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GI_FUNCTION_WRAPS_VFUNC = 1 << 4,
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} GIFunctionInfoFlags;
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G_END_DECLS
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