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/* GObject introspection: Struct 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 <glib.h>
#include <girepository.h>
#include "girepository-private.h"
#include "gitypelib-internal.h"
#include "girffi.h"
gint
g_struct_info_get_n_fields (GIStructInfo *info)
{
GIRealInfo *rinfo = (GIRealInfo *)info;
StructBlob *blob = (StructBlob *)&rinfo->typelib->data[rinfo->offset];
return blob->n_fields;
}
static gint32
g_struct_get_field_offset (GIStructInfo *info,
gint n)
{
GIRealInfo *rinfo = (GIRealInfo *)info;
Header *header = (Header *)rinfo->typelib->data;
guint32 offset = rinfo->offset + header->struct_blob_size;
gint i;
FieldBlob *field_blob;
for (i = 0; i < n; i++)
{
field_blob = (FieldBlob *)&rinfo->typelib->data[offset];
offset += header->field_blob_size;
if (field_blob->has_embedded_type)
offset += header->callback_blob_size;
}
return offset;
}
GIFieldInfo *
g_struct_info_get_field (GIStructInfo *info,
gint n)
{
GIRealInfo *rinfo = (GIRealInfo *)info;
return (GIFieldInfo *) g_info_new (GI_INFO_TYPE_FIELD, (GIBaseInfo*)info, rinfo->typelib,
g_struct_get_field_offset (info, n));
}
gint
g_struct_info_get_n_methods (GIStructInfo *info)
{
GIRealInfo *rinfo = (GIRealInfo *)info;
StructBlob *blob = (StructBlob *)&rinfo->typelib->data[rinfo->offset];
return blob->n_methods;
}
GIFunctionInfo *
g_struct_info_get_method (GIStructInfo *info,
gint n)
{
GIRealInfo *rinfo = (GIRealInfo *)info;
StructBlob *blob = (StructBlob *)&rinfo->typelib->data[rinfo->offset];
Header *header = (Header *)rinfo->typelib->data;
gint offset;
offset = g_struct_get_field_offset (info, blob->n_fields) + n * header->function_blob_size;
return (GIFunctionInfo *) g_info_new (GI_INFO_TYPE_FUNCTION, (GIBaseInfo*)info,
rinfo->typelib, offset);
}
GIFunctionInfo *
g_struct_info_find_method (GIStructInfo *info,
const gchar *name)
{
gint offset;
GIRealInfo *rinfo = (GIRealInfo *)info;
Header *header = (Header *)rinfo->typelib->data;
StructBlob *blob = (StructBlob *)&rinfo->typelib->data[rinfo->offset];
offset = rinfo->offset + header->struct_blob_size
+ blob->n_fields * header->field_blob_size;
return _g_base_info_find_method ((GIBaseInfo*)info, offset, blob->n_methods, name);
}
gsize
g_struct_info_get_size (GIStructInfo *info)
{
GIRealInfo *rinfo = (GIRealInfo *)info;
StructBlob *blob = (StructBlob *)&rinfo->typelib->data[rinfo->offset];
return blob->size;
}
gsize
g_struct_info_get_alignment (GIStructInfo *info)
{
GIRealInfo *rinfo = (GIRealInfo *)info;
StructBlob *blob = (StructBlob *)&rinfo->typelib->data[rinfo->offset];
return blob->alignment;
}
gboolean
g_struct_info_is_foreign (GIStructInfo *info)
{
GIRealInfo *rinfo = (GIRealInfo *)info;
StructBlob *blob = (StructBlob *)&rinfo->typelib->data[rinfo->offset];
return blob->foreign;
}
/**
* g_struct_info_is_gtype_struct:
* @info: a #GIStructInfo
*
* Return true if this structure represents the "class structure" for some
* #GObject or #GInterface. This function is mainly useful to hide this kind of structure
* from generated public APIs.
*
* Returns: %TRUE if this is a class struct, %FALSE otherwise
*/
gboolean
g_struct_info_is_gtype_struct (GIStructInfo *info)
{
GIRealInfo *rinfo = (GIRealInfo *)info;
StructBlob *blob = (StructBlob *)&rinfo->typelib->data[rinfo->offset];
return blob->is_gtype_struct;
}
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