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author | Johan Dahlin <johan@gnome.org> | 2010-06-06 19:52:12 -0300 |
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committer | Johan Dahlin <johan@gnome.org> | 2010-06-06 19:54:53 -0300 |
commit | fa25cf7d285507bfa9e5c4ca05caa3748bfa2018 (patch) | |
tree | c64fac9dbe1f9b341ced7cfa967939b81c305eab /girepository/givfuncinfo.c | |
parent | 553097d46144cef1b2e3a1315581c38d16fb73f4 (diff) | |
download | gobject-introspection-fa25cf7d285507bfa9e5c4ca05caa3748bfa2018.tar.gz |
[girepository] Move the rest out of ginfo.ch
Diffstat (limited to 'girepository/givfuncinfo.c')
-rw-r--r-- | girepository/givfuncinfo.c | 131 |
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 (); +} + |