glib/girepository/gitypes.h

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2012-02-03 19:42:56 +01:00
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
* GObject introspection: types
*
* Copyright (C) 2005 Matthias Clasen
* Copyright (C) 2008,2009 Red Hat, Inc.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#pragma once
#if !defined (__GIREPOSITORY_H_INSIDE__) && !defined (GI_COMPILATION)
#error "Only <girepository.h> can be included directly."
#endif
#include <stdint.h>
#include <glib.h>
#include <glib-object.h>
#include "gi-visibility.h"
G_BEGIN_DECLS
/* Documented in gibaseinfo.c */
typedef struct _GIBaseInfo GIBaseInfo;
typedef struct _GIBaseInfoClass GIBaseInfoClass;
typedef struct
{
/*< private >*/
GTypeInstance parent_instance;
int dummy0;
void *dummy1[3];
uint32_t dummy2[2];
void *dummy3[6];
} GIBaseInfoStack;
/* Documented in gicallableinfo.c */
typedef struct _GICallableInfo GICallableInfo;
GI_AVAILABLE_IN_ALL GType gi_callable_info_get_type (void);
/* Documented in gifunctioninfo.c */
typedef struct _GIFunctionInfo GIFunctionInfo;
GI_AVAILABLE_IN_ALL GType gi_function_info_get_type (void);
/* Documented in gicallbackinfo.c */
typedef struct _GICallbackInfo GICallbackInfo;
GI_AVAILABLE_IN_ALL GType gi_callback_info_get_type (void);
/* Documented in giregisteredtypeinfo.c */
typedef struct _GIRegisteredTypeInfo GIRegisteredTypeInfo;
GI_AVAILABLE_IN_ALL GType gi_registered_type_info_get_type (void);
/* Documented in gistructinfo.c */
typedef struct _GIStructInfo GIStructInfo;
GI_AVAILABLE_IN_ALL GType gi_struct_info_get_type (void);
/* Documented in giunioninfo.c */
typedef struct _GIUnionInfo GIUnionInfo;
GI_AVAILABLE_IN_ALL GType gi_union_info_get_type (void);
/* Documented in gienuminfo.c */
typedef struct _GIEnumInfo GIEnumInfo;
GI_AVAILABLE_IN_ALL GType gi_enum_info_get_type (void);
/* Documented in giflagsinfo.c */
typedef struct _GIFlagsInfo GIFlagsInfo;
GI_AVAILABLE_IN_ALL GType gi_flags_info_get_type (void);
/* Documented in giobjectinfo.c */
typedef struct _GIObjectInfo GIObjectInfo;
GI_AVAILABLE_IN_ALL GType gi_object_info_get_type (void);
/* Documented in giinterfaceinfo.c */
typedef struct _GIInterfaceInfo GIInterfaceInfo;
GI_AVAILABLE_IN_ALL GType gi_interface_info_get_type (void);
/* Documented in giconstantinfo.c */
typedef struct _GIConstantInfo GIConstantInfo;
GI_AVAILABLE_IN_ALL GType gi_constant_info_get_type (void);
/* Documented in givalueinfo.c */
typedef struct _GIValueInfo GIValueInfo;
GI_AVAILABLE_IN_ALL GType gi_value_info_get_type (void);
/* Documented in gisignalinfo.c */
typedef struct _GISignalInfo GISignalInfo;
GI_AVAILABLE_IN_ALL GType gi_signal_info_get_type (void);
/* Documented in givfuncinfo.c */
typedef struct _GIVFuncInfo GIVFuncInfo;
GI_AVAILABLE_IN_ALL GType gi_vfunc_info_get_type (void);
/* Documented in gipropertyinfo.c */
typedef struct _GIPropertyInfo GIPropertyInfo;
GI_AVAILABLE_IN_ALL GType gi_property_info_get_type (void);
/* Documented in gifieldinfo.c */
typedef struct _GIFieldInfo GIFieldInfo;
GI_AVAILABLE_IN_ALL GType gi_field_info_get_type (void);
/* Documented in giarginfo.c */
typedef struct
{
/*< private >*/
GIBaseInfoStack parent;
void *padding[6];
} GIArgInfo;
GI_AVAILABLE_IN_ALL GType gi_arg_info_get_type (void);
/* Documented in gitypeinfo.c */
typedef struct
{
/*< private >*/
GIBaseInfoStack parent;
void *padding[6];
} GITypeInfo;
GI_AVAILABLE_IN_ALL GType gi_type_info_get_type (void);
/* Documented in giunresolvedinfo.c */
typedef struct _GIUnresolvedInfo GIUnresolvedInfo;
GI_AVAILABLE_IN_ALL GType gi_unresolved_info_get_type (void);
union _GIArgument
{
gboolean v_boolean;
int8_t v_int8;
uint8_t v_uint8;
int16_t v_int16;
uint16_t v_uint16;
int32_t v_int32;
uint32_t v_uint32;
int64_t v_int64;
uint64_t v_uint64;
float v_float;
double v_double;
short v_short;
unsigned short v_ushort;
int v_int;
unsigned int v_uint;
long v_long;
unsigned long v_ulong;
gssize v_ssize;
size_t v_size;
char *v_string;
void *v_pointer;
};
/**
* GIArgument:
* @v_boolean: boolean value
* @v_int8: 8-bit signed integer value
* @v_uint8: 8-bit unsigned integer value
* @v_int16: 16-bit signed integer value
* @v_uint16: 16-bit unsigned integer value
* @v_int32: 32-bit signed integer value
* @v_uint32: 32-bit unsigned integer value
* @v_int64: 64-bit signed integer value
* @v_uint64: 64-bit unsigned integer value
* @v_float: single float value
* @v_double: double float value
* @v_short: signed short integer value
* @v_ushort: unsigned short integer value
* @v_int: signed integer value
* @v_uint: unsigned integer value
* @v_long: signed long integer value
* @v_ulong: unsigned long integer value
* @v_ssize: sized `size_t` value
* @v_size: unsigned `size_t` value
* @v_string: nul-terminated string value
* @v_pointer: arbitrary pointer value
*
* Stores an argument of varying type.
*
* Since: 2.80
*/
typedef union _GIArgument GIArgument;
/**
* GITransfer:
* @GI_TRANSFER_NOTHING: Transfer nothing from the callee (function or the type
* instance the property belongs to) to the caller. The callee retains the
* ownership of the transfer and the caller doesnt need to do anything to
* free up the resources of this transfer.
* @GI_TRANSFER_CONTAINER: Transfer the container (list, array, hash table) from
* the callee to the caller. The callee retains the ownership of the
* individual items in the container and the caller has to free up the
* container resources ([func@GLib.List.free],
* [func@GLib.HashTable.destroy], etc) of this transfer.
* @GI_TRANSFER_EVERYTHING: Transfer everything, e.g. the container and its
* contents from the callee to the caller. This is the case when the callee
* creates a copy of all the data it returns. The caller is responsible for
* cleaning up the container and item resources of this transfer.
*
* `GITransfer` specifies whos responsible for freeing the resources after an
* ownership transfer is complete.
*
* The transfer is the exchange of data between two parts, from the callee to
* the caller.
*
* The callee is either a function/method/signal or an object/interface where a
* property is defined. The caller is the side accessing a property or calling a
* function.
*
* In the case of a containing type such as a list, an array or a hash table the
* container itself is specified differently from the items within the
* container. Each container is freed differently, check the documentation for
* the types themselves for information on how to free them.
*
* Since: 2.80
*/
typedef enum {
GI_TRANSFER_NOTHING,
GI_TRANSFER_CONTAINER,
GI_TRANSFER_EVERYTHING
} GITransfer;
/**
* GIDirection:
* @GI_DIRECTION_IN: in argument.
* @GI_DIRECTION_OUT: out argument.
* @GI_DIRECTION_INOUT: in and out argument.
*
* The direction of a [class@GIRepository.ArgInfo].
*
* Since: 2.80
*/
typedef enum {
GI_DIRECTION_IN,
GI_DIRECTION_OUT,
GI_DIRECTION_INOUT
} GIDirection;
/**
* GIScopeType:
* @GI_SCOPE_TYPE_INVALID: The argument is not of callback type.
* @GI_SCOPE_TYPE_CALL: The callback and associated `user_data` is only
* used during the call to this function.
* @GI_SCOPE_TYPE_ASYNC: The callback and associated `user_data` is
* only used until the callback is invoked, and the callback.
* is invoked always exactly once.
* @GI_SCOPE_TYPE_NOTIFIED: The callback and associated
* `user_data` is used until the caller is notified via the
* [type@GLib.DestroyNotify].
* @GI_SCOPE_TYPE_FOREVER: The callback and associated `user_data` is
* used until the process terminates
*
* Scope type of a [class@GIRepository.ArgInfo] representing callback,
* determines how the callback is invoked and is used to decided when the invoke
* structs can be freed.
*
* Since: 2.80
*/
typedef enum {
GI_SCOPE_TYPE_INVALID,
GI_SCOPE_TYPE_CALL,
GI_SCOPE_TYPE_ASYNC,
GI_SCOPE_TYPE_NOTIFIED,
GI_SCOPE_TYPE_FOREVER
} GIScopeType;
/**
* GITypeTag:
* @GI_TYPE_TAG_VOID: void
* @GI_TYPE_TAG_BOOLEAN: boolean
* @GI_TYPE_TAG_INT8: 8-bit signed integer
* @GI_TYPE_TAG_UINT8: 8-bit unsigned integer
* @GI_TYPE_TAG_INT16: 16-bit signed integer
* @GI_TYPE_TAG_UINT16: 16-bit unsigned integer
* @GI_TYPE_TAG_INT32: 32-bit signed integer
* @GI_TYPE_TAG_UINT32: 32-bit unsigned integer
* @GI_TYPE_TAG_INT64: 64-bit signed integer
* @GI_TYPE_TAG_UINT64: 64-bit unsigned integer
* @GI_TYPE_TAG_FLOAT: float
* @GI_TYPE_TAG_DOUBLE: double floating point
* @GI_TYPE_TAG_GTYPE: a [type@GObject.Type]
* @GI_TYPE_TAG_UTF8: a UTF-8 encoded string
* @GI_TYPE_TAG_FILENAME: a filename, encoded in the same encoding
* as the native filesystem is using.
* @GI_TYPE_TAG_ARRAY: an array
* @GI_TYPE_TAG_INTERFACE: an extended interface object
* @GI_TYPE_TAG_GLIST: a [type@GLib.List]
* @GI_TYPE_TAG_GSLIST: a [type@GLib.SList]
* @GI_TYPE_TAG_GHASH: a [type@GLib.HashTable]
* @GI_TYPE_TAG_ERROR: a [type@GLib.Error]
* @GI_TYPE_TAG_UNICHAR: Unicode character
*
* The type tag of a [class@GIRepository.TypeInfo].
*
* Since: 2.80
*/
typedef enum {
/* Basic types */
GI_TYPE_TAG_VOID = 0,
GI_TYPE_TAG_BOOLEAN = 1,
GI_TYPE_TAG_INT8 = 2, /* Start of GI_TYPE_TAG_IS_NUMERIC types */
GI_TYPE_TAG_UINT8 = 3,
GI_TYPE_TAG_INT16 = 4,
GI_TYPE_TAG_UINT16 = 5,
GI_TYPE_TAG_INT32 = 6,
GI_TYPE_TAG_UINT32 = 7,
GI_TYPE_TAG_INT64 = 8,
GI_TYPE_TAG_UINT64 = 9,
GI_TYPE_TAG_FLOAT = 10,
GI_TYPE_TAG_DOUBLE = 11, /* End of numeric types */
GI_TYPE_TAG_GTYPE = 12,
GI_TYPE_TAG_UTF8 = 13,
GI_TYPE_TAG_FILENAME = 14,
/* Non-basic types; compare with GI_TYPE_TAG_IS_BASIC */
GI_TYPE_TAG_ARRAY = 15, /* container (see GI_TYPE_TAG_IS_CONTAINER) */
GI_TYPE_TAG_INTERFACE = 16,
GI_TYPE_TAG_GLIST = 17, /* container */
GI_TYPE_TAG_GSLIST = 18, /* container */
GI_TYPE_TAG_GHASH = 19, /* container */
GI_TYPE_TAG_ERROR = 20,
/* Another basic type */
GI_TYPE_TAG_UNICHAR = 21
/* Note - there is currently only room for 32 tags */
} GITypeTag;
/**
* GI_TYPE_TAG_N_TYPES:
*
* Number of entries in [enum@GIRepository.TypeTag].
*
* Since: 2.80
*/
#define GI_TYPE_TAG_N_TYPES (GI_TYPE_TAG_UNICHAR+1)
/**
* GIArrayType:
* @GI_ARRAY_TYPE_C: a C array, `char[]` for instance
* @GI_ARRAY_TYPE_ARRAY: a [type@GLib.Array] array
* @GI_ARRAY_TYPE_PTR_ARRAY: a [type@GLib.PtrArray] array
* @GI_ARRAY_TYPE_BYTE_ARRAY: a [type@GLib.ByteArray] array
*
* The type of array in a [class@GIRepository.TypeInfo].
*
* Since: 2.80
*/
typedef enum {
GI_ARRAY_TYPE_C,
GI_ARRAY_TYPE_ARRAY,
GI_ARRAY_TYPE_PTR_ARRAY,
GI_ARRAY_TYPE_BYTE_ARRAY
} GIArrayType;
/**
* GIFieldInfoFlags:
* @GI_FIELD_IS_READABLE: field is readable.
* @GI_FIELD_IS_WRITABLE: field is writable.
*
* Flags for a [class@GIRepository.FieldInfo].
*
* Since: 2.80
*/
typedef enum
{
GI_FIELD_IS_READABLE = 1 << 0,
GI_FIELD_IS_WRITABLE = 1 << 1
} GIFieldInfoFlags;
/**
* GIVFuncInfoFlags:
* @GI_VFUNC_MUST_CHAIN_UP: chains up to the parent type
* @GI_VFUNC_MUST_OVERRIDE: overrides
* @GI_VFUNC_MUST_NOT_OVERRIDE: does not override
*
* Flags of a [class@GIRepository.VFuncInfo] struct.
*
* Since: 2.80
*/
typedef enum
{
GI_VFUNC_MUST_CHAIN_UP = 1 << 0,
GI_VFUNC_MUST_OVERRIDE = 1 << 1,
GI_VFUNC_MUST_NOT_OVERRIDE = 1 << 2,
} GIVFuncInfoFlags;
/**
* GIFunctionInfoFlags:
* @GI_FUNCTION_IS_METHOD: is a method.
* @GI_FUNCTION_IS_CONSTRUCTOR: is a constructor.
* @GI_FUNCTION_IS_GETTER: is a getter of a [class@GIRepository.PropertyInfo].
* @GI_FUNCTION_IS_SETTER: is a setter of a [class@GIRepository.PropertyInfo].
* @GI_FUNCTION_WRAPS_VFUNC: represents a virtual function.
*
* Flags for a [class@GIRepository.FunctionInfo] struct.
*
* Since: 2.80
*/
typedef enum
{
GI_FUNCTION_IS_METHOD = 1 << 0,
GI_FUNCTION_IS_CONSTRUCTOR = 1 << 1,
GI_FUNCTION_IS_GETTER = 1 << 2,
GI_FUNCTION_IS_SETTER = 1 << 3,
GI_FUNCTION_WRAPS_VFUNC = 1 << 4,
GI_FUNCTION_IS_ASYNC = 1 << 5,
} GIFunctionInfoFlags;
G_END_DECLS