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authorJohan Dahlin <johan@gnome.org>2010-06-06 19:52:12 -0300
committerJohan Dahlin <johan@gnome.org>2010-06-06 19:54:53 -0300
commitfa25cf7d285507bfa9e5c4ca05caa3748bfa2018 (patch)
treec64fac9dbe1f9b341ced7cfa967939b81c305eab /girepository/givfuncinfo.c
parent553097d46144cef1b2e3a1315581c38d16fb73f4 (diff)
downloadgobject-introspection-fa25cf7d285507bfa9e5c4ca05caa3748bfa2018.tar.gz
[girepository] Move the rest out of ginfo.ch
Diffstat (limited to 'girepository/givfuncinfo.c')
-rw-r--r--girepository/givfuncinfo.c131
1 files changed, 131 insertions, 0 deletions
diff --git a/girepository/givfuncinfo.c b/girepository/givfuncinfo.c
new file mode 100644
index 00000000..e0bb6874
--- /dev/null
+++ b/girepository/givfuncinfo.c
@@ -0,0 +1,131 @@
+/* GObject introspection: Virtual Function 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 <string.h>
+
+#include <glib.h>
+
+#include <girepository.h>
+#include "girepository-private.h"
+#include "gitypelib-internal.h"
+#include "girffi.h"
+
+GIVFuncInfo *
+_g_base_info_find_vfunc (GIRealInfo *rinfo,
+ guint32 offset,
+ gint n_vfuncs,
+ const gchar *name)
+{
+ /* FIXME hash */
+ Header *header = (Header *)rinfo->typelib->data;
+ gint i;
+
+ for (i = 0; i < n_vfuncs; i++)
+ {
+ VFuncBlob *fblob = (VFuncBlob *)&rinfo->typelib->data[offset];
+ const gchar *fname = (const gchar *)&rinfo->typelib->data[fblob->name];
+
+ if (strcmp (name, fname) == 0)
+ return (GIVFuncInfo *) g_info_new (GI_INFO_TYPE_VFUNC, (GIBaseInfo*) rinfo,
+ rinfo->typelib, offset);
+
+ offset += header->vfunc_blob_size;
+ }
+
+ return NULL;
+}
+
+GIVFuncInfoFlags
+g_vfunc_info_get_flags (GIVFuncInfo *info)
+{
+ GIVFuncInfoFlags flags;
+
+ GIRealInfo *rinfo = (GIRealInfo *)info;
+ VFuncBlob *blob = (VFuncBlob *)&rinfo->typelib->data[rinfo->offset];
+
+ flags = 0;
+
+ if (blob->must_chain_up)
+ flags = flags | GI_VFUNC_MUST_CHAIN_UP;
+
+ if (blob->must_be_implemented)
+ flags = flags | GI_VFUNC_MUST_OVERRIDE;
+
+ if (blob->must_not_be_implemented)
+ flags = flags | GI_VFUNC_MUST_NOT_OVERRIDE;
+
+ return flags;
+}
+
+gint
+g_vfunc_info_get_offset (GIVFuncInfo *info)
+{
+ GIRealInfo *rinfo = (GIRealInfo *)info;
+ VFuncBlob *blob = (VFuncBlob *)&rinfo->typelib->data[rinfo->offset];
+
+ return blob->struct_offset;
+}
+
+GISignalInfo *
+g_vfunc_info_get_signal (GIVFuncInfo *info)
+{
+ GIRealInfo *rinfo = (GIRealInfo *)info;
+ VFuncBlob *blob = (VFuncBlob *)&rinfo->typelib->data[rinfo->offset];
+
+ if (blob->class_closure)
+ return g_interface_info_get_signal ((GIInterfaceInfo *)rinfo->container, blob->signal);
+
+ return NULL;
+}
+
+/**
+ * g_vfunc_info_get_invoker:
+ * @info: a #GIVFuncInfo
+ *
+ * If this virtual function has an associated invoker method, this
+ * method will return it. An invoker method is a C entry point.
+ *
+ * Not all virtuals will have invokers.
+ *
+ * Returns: (transfer full): the #GIVFuncInfo or %NULL. Free it with
+ * g_base_info_unref() when done.
+ */
+GIFunctionInfo *
+g_vfunc_info_get_invoker (GIVFuncInfo *info)
+{
+ GIRealInfo *rinfo = (GIRealInfo *)info;
+ VFuncBlob *blob = (VFuncBlob *)&rinfo->typelib->data[rinfo->offset];
+ GIBaseInfo *container = rinfo->container;
+ GIInfoType parent_type;
+
+ /* 1023 = 0x3ff is the maximum of the 10 bits for invoker index */
+ if (blob->invoker == 1023)
+ return NULL;
+
+ parent_type = g_base_info_get_type (container);
+ if (parent_type == GI_INFO_TYPE_OBJECT)
+ return g_object_info_get_method ((GIObjectInfo*)container, blob->invoker);
+ else if (parent_type == GI_INFO_TYPE_INTERFACE)
+ return g_interface_info_get_method ((GIInterfaceInfo*)container, blob->invoker);
+ else
+ g_assert_not_reached ();
+}
+