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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
* GObject introspection: Property implementation
*
* Copyright (C) 2005 Matthias Clasen
* Copyright (C) 2008,2009 Red Hat, Inc.
*
* 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.
*/
#include "config.h"
#include <glib.h>
#include <girepository.h>
#include "girepository-private.h"
#include "gitypelib-internal.h"
/**
* SECTION:gipropertyinfo
* @title: GIPropertyInfo
* @short_description: Struct representing a property
*
* GIPropertyInfo represents a property. A property belongs to
* either a #GIObjectInfo or a #GIInterfaceInfo.
*
* <refsect1 id="gi-gipropertyinfo.struct-hierarchy" role="struct_hierarchy">
* <title role="struct_hierarchy.title">Struct hierarchy</title>
* <synopsis>
* <link linkend="GIBaseInfo">GIBaseInfo</link>
* +----GIPropertyInfo
* </synopsis>
* </refsect1>
*/
/**
* g_property_info_get_flags:
* @info: a #GIPropertyInfo
*
* Obtain the flags for this property info. See #GParamFlags for
* more information about possible flag values.
*
* Returns: the flags
*/
GParamFlags
g_property_info_get_flags (GIPropertyInfo *info)
{
GParamFlags flags;
GIRealInfo *rinfo = (GIRealInfo *)info;
PropertyBlob *blob;
g_return_val_if_fail (info != NULL, 0);
g_return_val_if_fail (GI_IS_PROPERTY_INFO (info), 0);
blob = (PropertyBlob *)&rinfo->typelib->data[rinfo->offset];
flags = 0;
if (blob->readable)
flags = flags | G_PARAM_READABLE;
if (blob->writable)
flags = flags | G_PARAM_WRITABLE;
if (blob->construct)
flags = flags | G_PARAM_CONSTRUCT;
if (blob->construct_only)
flags = flags | G_PARAM_CONSTRUCT_ONLY;
return flags;
}
/**
* g_property_info_get_type:
* @info: a #GIPropertyInfo
*
* Obtain the type information for the property @info.
*
* Returns: (transfer full): the #GITypeInfo, free it with
* g_base_info_unref() when done.
*/
GITypeInfo *
g_property_info_get_type (GIPropertyInfo *info)
{
GIRealInfo *rinfo = (GIRealInfo *)info;
g_return_val_if_fail (info != NULL, NULL);
g_return_val_if_fail (GI_IS_PROPERTY_INFO (info), NULL);
return _g_type_info_new ((GIBaseInfo*)info,
rinfo->typelib,
rinfo->offset + G_STRUCT_OFFSET (PropertyBlob, type));
}
/**
* g_property_info_get_ownership_transfer:
* @info: a #GIPropertyInfo
*
* Obtain the ownership transfer for this property. See #GITransfer for more
* information about transfer values.
*
* Returns: the transfer
*/
GITransfer
g_property_info_get_ownership_transfer (GIPropertyInfo *info)
{
GIRealInfo *rinfo = (GIRealInfo *)info;
PropertyBlob *blob;
g_return_val_if_fail (info != NULL, -1);
g_return_val_if_fail (GI_IS_PROPERTY_INFO (info), -1);
blob = (PropertyBlob *)&rinfo->typelib->data[rinfo->offset];
if (blob->transfer_ownership)
return GI_TRANSFER_EVERYTHING;
else if (blob->transfer_container_ownership)
return GI_TRANSFER_CONTAINER;
else
return GI_TRANSFER_NOTHING;
}
/**
* g_property_info_get_setter:
* @info: a #GIPropertyInfo
*
* Obtains the setter function associated with this #GIPropertyInfo.
*
* The setter is only available for %G_PARAM_WRITABLE properties that
* are also not %G_PARAM_CONSTRUCT_ONLY.
*
* Returns: (transfer full): the function info or %NULL if not set.
* Free it with g_base_info_unref() when done.
*/
GIFunctionInfo *
g_property_info_get_setter (GIPropertyInfo *info)
{
GIRealInfo *rinfo = (GIRealInfo *)info;
PropertyBlob *blob;
GIBaseInfo *container;
GIInfoType parent_type;
g_return_val_if_fail (info != NULL, NULL);
g_return_val_if_fail (GI_IS_PROPERTY_INFO (info), NULL);
blob = (PropertyBlob *)&rinfo->typelib->data[rinfo->offset];
if (!blob->writable || blob->construct_only)
return NULL;
if (blob->setter == 0x3ff)
return NULL;
container = rinfo->container;
parent_type = g_base_info_get_type (container);
if (parent_type == GI_INFO_TYPE_OBJECT)
return g_object_info_get_method ((GIObjectInfo *) container, blob->setter);
else if (parent_type == GI_INFO_TYPE_INTERFACE)
return g_interface_info_get_method ((GIInterfaceInfo *) container, blob->setter);
else
return NULL;
}
/**
* g_property_info_get_getter:
* @info: a #GIPropertyInfo
*
* Obtains the getter function associated with this #GIPropertyInfo.
*
* The setter is only available for %G_PARAM_READABLE properties.
*
* Returns: (transfer full): the function info or %NULL if not set.
* Free it with g_base_info_unref() when done.
*/
GIFunctionInfo *
g_property_info_get_getter (GIPropertyInfo *info)
{
GIRealInfo *rinfo = (GIRealInfo *)info;
PropertyBlob *blob;
GIBaseInfo *container;
GIInfoType parent_type;
g_return_val_if_fail (info != NULL, NULL);
g_return_val_if_fail (GI_IS_PROPERTY_INFO (info), NULL);
blob = (PropertyBlob *)&rinfo->typelib->data[rinfo->offset];
if (!blob->readable)
return NULL;
if (blob->getter == 0x3ff)
return NULL;
container = rinfo->container;
parent_type = g_base_info_get_type (container);
if (parent_type == GI_INFO_TYPE_OBJECT)
return g_object_info_get_method ((GIObjectInfo *) container, blob->getter);
else if (parent_type == GI_INFO_TYPE_INTERFACE)
return g_interface_info_get_method ((GIInterfaceInfo *) container, blob->getter);
else
return NULL;
}
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