diff options
Diffstat (limited to 'girepository/ginfo.c')
| -rw-r--r-- | girepository/ginfo.c | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/girepository/ginfo.c b/girepository/ginfo.c index fcc5f09..d522a56 100644 --- a/girepository/ginfo.c +++ b/girepository/ginfo.c @@ -1527,6 +1527,63 @@ g_object_info_get_vfunc (GIObjectInfo *info, base->typelib, offset); } +static GIVFuncInfo * +find_vfunc (GIBaseInfo *base, + guint32 offset, + gint n_vfuncs, + const gchar *name) +{ + /* FIXME hash */ + Header *header = (Header *)base->typelib->data; + gint i; + + for (i = 0; i < n_vfuncs; i++) + { + VFuncBlob *fblob = (VFuncBlob *)&base->typelib->data[offset]; + const gchar *fname = (const gchar *)&base->typelib->data[fblob->name]; + + if (strcmp (name, fname) == 0) + return (GIVFuncInfo *) g_info_new (GI_INFO_TYPE_VFUNC, base, + base->typelib, offset); + + offset += header->vfunc_blob_size; + } + + return NULL; +} + +/** + * g_object_info_find_vfunc: + * @info: An #GIObjectInfo + * @name: The name of a virtual function to find. + * + * Locate a virtual function slot with name @name. Note that the namespace + * for virtuals is distinct from that of methods; there may or may not be + * a concrete method associated for a virtual. If there is one, it may + * be retrieved using #g_vfunc_info_get_invoker. See the documentation for + * that function for more information on invoking virtuals. + * + * Return value: (transfer full): A #GIVFuncInfo, or %NULL if none with name @name. + */ +GIVFuncInfo * +g_object_info_find_vfunc (GIObjectInfo *info, + const gchar *name) +{ + gint offset; + GIBaseInfo *base = (GIBaseInfo *)info; + Header *header = (Header *)base->typelib->data; + ObjectBlob *blob = (ObjectBlob *)&base->typelib->data[base->offset]; + + offset = base->offset + header->object_blob_size + + (blob->n_interfaces + blob->n_interfaces % 2) * 2 + + blob->n_fields * header->field_blob_size + + blob->n_properties * header->property_blob_size + + blob->n_methods * header->function_blob_size + + blob->n_signals * header->signal_blob_size; + + return find_vfunc (base, offset, blob->n_vfuncs, name); +} + gint g_object_info_get_n_constants (GIObjectInfo *info) { @@ -1728,6 +1785,34 @@ g_interface_info_get_vfunc (GIInterfaceInfo *info, base->typelib, offset); } +/** + * g_interface_info_find_vfunc: + * @info: An #GIObjectInfo + * @name: The name of a virtual function to find. + * + * Locate a virtual function slot with name @name. See the documentation + * for #g_object_info_find_vfunc for more information on virtuals. + * + * Return value: (transfer full): A #GIVFuncInfo, or %NULL if none with name @name. + */ +GIVFuncInfo * +g_interface_info_find_vfunc (GIInterfaceInfo *info, + const gchar *name) +{ + gint offset; + GIBaseInfo *base = (GIBaseInfo *)info; + Header *header = (Header *)base->typelib->data; + InterfaceBlob *blob = (InterfaceBlob *)&base->typelib->data[base->offset]; + + offset = base->offset + header->interface_blob_size + + (blob->n_prerequisites + blob->n_prerequisites % 2) * 2 + + blob->n_properties * header->property_blob_size + + blob->n_methods * header->function_blob_size + + blob->n_signals * header->signal_blob_size; + + return find_vfunc (base, offset, blob->n_vfuncs, name); +} + gint g_interface_info_get_n_constants (GIInterfaceInfo *info) { @@ -1913,6 +1998,37 @@ g_vfunc_info_get_signal (GIVFuncInfo *info) 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. + * + * Return value: (transfer full): An invoker function, or %NULL if none known + */ +GIFunctionInfo * +g_vfunc_info_get_invoker (GIVFuncInfo *info) +{ + GIBaseInfo *base = (GIBaseInfo *)info; + VFuncBlob *blob = (VFuncBlob *)&base->typelib->data[base->offset]; + GIBaseInfo *container = base->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 (); +} /* GIConstantInfo functions */ GITypeInfo * |