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dbus/glib/dbus-binding-tool-glib.c
Colin Walters 778579ec21 2005-06-20 Colin Walters <walters@verbum.org> 
* dbus/dbus-glib.h:
	* glib/dbus-gproxy.c: Rename dbus_g_proxy_invoke to
	dbus_g_proxy_call.

	* glib/dbus-binding-tool-glib.c:
	* doc/dbus-tutorial.xml:
	* test/glib/test-dbus-glib.c: Update for rename.
2005-06-21 00:30:20 +00:00

1395 lines
37 KiB
C
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/* -*- mode: C; c-file-style: "gnu" -*- */
/* dbus-binding-tool-glib.c: Output C glue
*
* Copyright (C) 2003, 2004, 2005 Red Hat, Inc.
* Copyright (C) 2005 Nokia
*
* Licensed under the Academic Free License version 2.1
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <config.h>
#include "dbus-gidl.h"
#include "dbus-gparser.h"
#include "dbus-gutils.h"
#include "dbus-gvalue.h"
#include "dbus-gvalue-utils.h"
#include "dbus-glib-tool.h"
#include "dbus-binding-tool-glib.h"
#include <glib/gi18n.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#define MARSHAL_PREFIX "dbus_glib_marshal_"
typedef struct
{
gboolean ignore_unsupported;
const char* prefix;
GIOChannel *channel;
GError **error;
GHashTable *generated;
GString *blob;
GString *signal_blob;
GString *property_blob;
guint count;
} DBusBindingToolCData;
static gboolean gather_marshallers (BaseInfo *base, DBusBindingToolCData *data, GError **error);
static gboolean generate_glue (BaseInfo *base, DBusBindingToolCData *data, GError **error);
static gboolean generate_client_glue (BaseInfo *base, DBusBindingToolCData *data, GError **error);
static const char *
dbus_g_type_get_marshal_name (GType gtype)
{
switch (G_TYPE_FUNDAMENTAL (gtype))
{
case G_TYPE_BOOLEAN:
return "BOOLEAN";
case G_TYPE_UCHAR:
return "UCHAR";
case G_TYPE_INT:
return "INT";
case G_TYPE_UINT:
return "UINT";
case G_TYPE_INT64:
return "INT64";
case G_TYPE_UINT64:
return "UINT64";
case G_TYPE_DOUBLE:
return "DOUBLE";
case G_TYPE_STRING:
return "STRING";
case G_TYPE_POINTER:
return "POINTER";
case G_TYPE_BOXED:
return "BOXED";
case G_TYPE_OBJECT:
return "OBJECT";
default:
return NULL;
}
}
/* This entire function is kind of...ugh. */
static const char *
dbus_g_type_get_c_name (GType gtype)
{
if (dbus_g_type_is_collection (gtype))
return "GArray";
if (dbus_g_type_is_map (gtype))
return "GHashTable";
if (g_type_is_a (gtype, G_TYPE_STRING))
return "char *";
/* This one is even more hacky...we get an extra *
* because G_TYPE_STRV is a G_TYPE_BOXED
*/
if (g_type_is_a (gtype, G_TYPE_STRV))
return "char *";
return g_type_name (gtype);
}
static char *
compute_marshaller (MethodInfo *method, GError **error)
{
GSList *elt;
GString *ret;
gboolean first;
/* All methods required to return boolean for now;
* will be conditional on method info later */
ret = g_string_new ("BOOLEAN:");
first = TRUE;
/* Append input arguments */
for (elt = method_info_get_args (method); elt; elt = elt->next)
{
ArgInfo *arg = elt->data;
if (arg_info_get_direction (arg) == ARG_IN)
{
const char *marshal_name;
GType gtype;
gtype = dbus_gtype_from_signature (arg_info_get_type (arg), FALSE);
if (gtype == G_TYPE_INVALID)
{
g_set_error (error,
DBUS_BINDING_TOOL_ERROR,
DBUS_BINDING_TOOL_ERROR_UNSUPPORTED_CONVERSION,
_("Unsupported conversion from D-BUS type %s to glib-genmarshal type"),
arg_info_get_type (arg));
g_string_free (ret, TRUE);
return NULL;
}
marshal_name = dbus_g_type_get_marshal_name (gtype);
g_assert (marshal_name);
if (!first)
g_string_append (ret, ",");
else
first = FALSE;
g_string_append (ret, marshal_name);
}
}
if (method_info_get_annotation (method, DBUS_GLIB_ANNOTATION_ASYNC) != NULL)
{
if (!first)
g_string_append (ret, ",");
g_string_append (ret, "POINTER");
first = FALSE;
}
else
{
/* Append pointer for each out arg storage */
for (elt = method_info_get_args (method); elt; elt = elt->next)
{
ArgInfo *arg = elt->data;
if (arg_info_get_direction (arg) == ARG_OUT)
{
if (!first)
g_string_append (ret, ",");
else
first = FALSE;
g_string_append (ret, "POINTER");
}
}
/* Final GError parameter */
if (!first)
g_string_append (ret, ",");
g_string_append (ret, "POINTER");
}
return g_string_free (ret, FALSE);
}
static char *
compute_marshaller_name (MethodInfo *method, const char *prefix, GError **error)
{
GSList *elt;
GString *ret;
/* All methods required to return boolean for now;
* will be conditional on method info later */
ret = g_string_new (MARSHAL_PREFIX);
g_string_append (ret, prefix);
g_string_append (ret, "_BOOLEAN_");
/* Append input arguments */
for (elt = method_info_get_args (method); elt; elt = elt->next)
{
ArgInfo *arg = elt->data;
if (arg_info_get_direction (arg) == ARG_IN)
{
const char *marshal_name;
const char *type;
GType gtype;
type = arg_info_get_type (arg);
gtype = dbus_gtype_from_signature (type, FALSE);
if (gtype == G_TYPE_INVALID)
{
g_set_error (error,
DBUS_BINDING_TOOL_ERROR,
DBUS_BINDING_TOOL_ERROR_UNSUPPORTED_CONVERSION,
_("Unsupported conversion from D-BUS type %s to glib type"),
type);
g_string_free (ret, TRUE);
return NULL;
}
marshal_name = dbus_g_type_get_marshal_name (gtype);
g_assert (marshal_name != NULL);
g_string_append (ret, "_");
g_string_append (ret, marshal_name);
}
}
if (method_info_get_annotation (method, DBUS_GLIB_ANNOTATION_ASYNC) != NULL)
{
g_string_append (ret, "_POINTER");
}
else
{
/* Append pointer for each out arg storage */
for (elt = method_info_get_args (method); elt; elt = elt->next)
{
ArgInfo *arg = elt->data;
if (arg_info_get_direction (arg) == ARG_OUT)
{
g_string_append (ret, "_POINTER");
}
}
/* Final GError parameter */
g_string_append (ret, "_POINTER");
}
return g_string_free (ret, FALSE);
}
static gboolean
gather_marshallers_list (GSList *list, DBusBindingToolCData *data, GError **error)
{
GSList *tmp;
tmp = list;
while (tmp != NULL)
{
if (!gather_marshallers (tmp->data, data, error))
return FALSE;
tmp = tmp->next;
}
return TRUE;
}
static gboolean
gather_marshallers (BaseInfo *base, DBusBindingToolCData *data, GError **error)
{
if (base_info_get_type (base) == INFO_TYPE_NODE)
{
if (!gather_marshallers_list (node_info_get_nodes ((NodeInfo *) base),
data, error))
return FALSE;
if (!gather_marshallers_list (node_info_get_interfaces ((NodeInfo *) base),
data, error))
return FALSE;
}
else
{
InterfaceInfo *interface;
GSList *methods;
GSList *tmp;
const char *interface_c_name;
interface = (InterfaceInfo *) base;
interface_c_name = interface_info_get_annotation (interface, DBUS_GLIB_ANNOTATION_C_SYMBOL);
if (interface_c_name == NULL)
{
if (!data->prefix)
return TRUE;
}
methods = interface_info_get_methods (interface);
/* Generate the necessary marshallers for the methods. */
for (tmp = methods; tmp != NULL; tmp = g_slist_next (tmp))
{
MethodInfo *method;
char *marshaller_name;
method = (MethodInfo *) tmp->data;
marshaller_name = compute_marshaller (method, error);
if (!marshaller_name)
return FALSE;
if (g_hash_table_lookup (data->generated, marshaller_name))
{
g_free (marshaller_name);
continue;
}
g_hash_table_insert (data->generated, marshaller_name, NULL);
}
}
return TRUE;
}
static gboolean
generate_glue_list (GSList *list, DBusBindingToolCData *data, GError **error)
{
GSList *tmp;
tmp = list;
while (tmp != NULL)
{
if (!generate_glue (tmp->data, data, error))
return FALSE;
tmp = tmp->next;
}
return TRUE;
}
#define WRITE_OR_LOSE(x) do { gsize bytes_written; if (!g_io_channel_write_chars (channel, x, -1, &bytes_written, error)) goto io_lose; } while (0)
static gboolean
write_printf_to_iochannel (const char *fmt, GIOChannel *channel, GError **error, ...)
{
char *str;
va_list args;
GIOStatus status;
gsize written;
gboolean ret;
va_start (args, error);
str = g_strdup_vprintf (fmt, args);
if ((status = g_io_channel_write_chars (channel, str, -1, &written, error)) == G_IO_STATUS_NORMAL)
ret = TRUE;
else
ret = FALSE;
g_free (str);
va_end (args);
return ret;
}
static gboolean
write_quoted_string (GIOChannel *channel, GString *string, GError **error)
{
guint i;
WRITE_OR_LOSE ("\"");
for (i = 0; i < string->len; i++)
{
if (string->str[i] != '\0')
{
if (!g_io_channel_write_chars (channel, string->str + i, 1, NULL, error))
return FALSE;
}
else
{
if (!g_io_channel_write_chars (channel, "\\0", -1, NULL, error))
return FALSE;
}
}
WRITE_OR_LOSE ("\\0\"");
return TRUE;
io_lose:
return FALSE;
}
static gboolean
generate_glue (BaseInfo *base, DBusBindingToolCData *data, GError **error)
{
if (base_info_get_type (base) == INFO_TYPE_NODE)
{
GString *object_introspection_data_blob;
GIOChannel *channel;
channel = data->channel;
object_introspection_data_blob = g_string_new_len ("", 0);
data->blob = object_introspection_data_blob;
data->count = 0;
data->signal_blob = g_string_new_len ("", 0);
data->property_blob = g_string_new_len ("", 0);
if (!write_printf_to_iochannel ("static const DBusGMethodInfo dbus_glib_%s_methods[] = {\n", channel, error, data->prefix))
goto io_lose;
if (!generate_glue_list (node_info_get_nodes ((NodeInfo *) base),
data, error))
return FALSE;
if (!generate_glue_list (node_info_get_interfaces ((NodeInfo *) base),
data, error))
return FALSE;
WRITE_OR_LOSE ("};\n\n");
/* Information about the object. */
if (!write_printf_to_iochannel ("const DBusGObjectInfo dbus_glib_%s_object_info = {\n",
channel, error, data->prefix))
goto io_lose;
WRITE_OR_LOSE (" 0,\n");
if (!write_printf_to_iochannel (" dbus_glib_%s_methods,\n", channel, error, data->prefix))
goto io_lose;
if (!write_printf_to_iochannel (" %d,\n", channel, error, data->count))
goto io_lose;
if (!write_quoted_string (channel, object_introspection_data_blob, error))
goto io_lose;
WRITE_OR_LOSE (",\n");
if (!write_quoted_string (channel, data->signal_blob, error))
goto io_lose;
WRITE_OR_LOSE (",\n");
if (!write_quoted_string (channel, data->property_blob, error))
goto io_lose;
WRITE_OR_LOSE ("\n};\n\n");
g_string_free (object_introspection_data_blob, TRUE);
g_string_free (data->signal_blob, TRUE);
g_string_free (data->property_blob, TRUE);
}
else
{
GIOChannel *channel;
InterfaceInfo *interface;
GSList *methods;
GSList *signals;
GSList *properties;
GSList *tmp;
const char *interface_c_name;
GString *object_introspection_data_blob;
channel = data->channel;
object_introspection_data_blob = data->blob;
interface = (InterfaceInfo *) base;
interface_c_name = interface_info_get_annotation (interface, DBUS_GLIB_ANNOTATION_C_SYMBOL);
if (interface_c_name == NULL)
{
if (data->prefix == NULL)
return TRUE;
interface_c_name = data->prefix;
}
methods = interface_info_get_methods (interface);
/* Table of marshalled methods. */
for (tmp = methods; tmp != NULL; tmp = g_slist_next (tmp))
{
MethodInfo *method;
char *marshaller_name;
char *method_c_name;
gboolean async = FALSE;
GSList *args;
method = (MethodInfo *) tmp->data;
method_c_name = g_strdup (method_info_get_annotation (method, DBUS_GLIB_ANNOTATION_C_SYMBOL));
if (method_c_name == NULL)
{
char *method_name_uscored;
method_name_uscored = _dbus_gutils_wincaps_to_uscore (method_info_get_name (method));
method_c_name = g_strdup_printf ("%s_%s",
interface_c_name,
method_name_uscored);
g_free (method_name_uscored);
}
if (!write_printf_to_iochannel (" { (GCallback) %s, ", channel, error,
method_c_name))
goto io_lose;
marshaller_name = compute_marshaller_name (method, data->prefix, error);
if (!marshaller_name)
goto io_lose;
if (!write_printf_to_iochannel ("%s, %d },\n", channel, error,
marshaller_name,
object_introspection_data_blob->len))
{
g_free (marshaller_name);
goto io_lose;
}
if (method_info_get_annotation (method, DBUS_GLIB_ANNOTATION_ASYNC) != NULL)
async = TRUE;
/* Object method data blob format:
* <iface>\0<name>\0(<argname>\0<argdirection>\0<argtype>\0)*\0
*/
g_string_append (object_introspection_data_blob, interface_info_get_name (interface));
g_string_append_c (object_introspection_data_blob, '\0');
g_string_append (object_introspection_data_blob, method_info_get_name (method));
g_string_append_c (object_introspection_data_blob, '\0');
g_string_append_c (object_introspection_data_blob, async ? 'A' : 'S');
g_string_append_c (object_introspection_data_blob, '\0');
for (args = method_info_get_args (method); args; args = args->next)
{
ArgInfo *arg;
char direction;
arg = args->data;
g_string_append (object_introspection_data_blob, arg_info_get_name (arg));
g_string_append_c (object_introspection_data_blob, '\0');
switch (arg_info_get_direction (arg))
{
case ARG_IN:
direction = 'I';
break;
case ARG_OUT:
direction = 'O';
break;
case ARG_INVALID:
default:
g_assert_not_reached ();
direction = 0; /* silence gcc */
break;
}
g_string_append_c (object_introspection_data_blob, direction);
g_string_append_c (object_introspection_data_blob, '\0');
g_string_append (object_introspection_data_blob, arg_info_get_type (arg));
g_string_append_c (object_introspection_data_blob, '\0');
}
g_string_append_c (object_introspection_data_blob, '\0');
data->count++;
}
signals = interface_info_get_signals (interface);
for (tmp = signals; tmp != NULL; tmp = g_slist_next (tmp))
{
SignalInfo *sig;
sig = tmp->data;
g_string_append (data->signal_blob, interface_info_get_name (interface));
g_string_append_c (data->signal_blob, '\0');
g_string_append (data->signal_blob, signal_info_get_name (sig));
g_string_append_c (data->signal_blob, '\0');
}
properties = interface_info_get_properties (interface);
for (tmp = properties; tmp != NULL; tmp = g_slist_next (tmp))
{
PropertyInfo *prop;
prop = tmp->data;
g_string_append (data->property_blob, interface_info_get_name (interface));
g_string_append_c (data->property_blob, '\0');
g_string_append (data->property_blob, property_info_get_name (prop));
g_string_append_c (data->property_blob, '\0');
}
}
return TRUE;
io_lose:
return FALSE;
}
static void
write_marshaller (gpointer key, gpointer value, gpointer user_data)
{
DBusBindingToolCData *data;
const char *marshaller;
gsize bytes_written;
data = user_data;
marshaller = key;
if (data->error && *data->error)
return;
if (g_io_channel_write_chars (data->channel, marshaller, -1, &bytes_written, data->error) == G_IO_STATUS_NORMAL)
g_io_channel_write_chars (data->channel, "\n", -1, &bytes_written, data->error);
}
gboolean
dbus_binding_tool_output_glib_server (BaseInfo *info, GIOChannel *channel, const char *prefix, GError **error)
{
gboolean ret;
GPtrArray *argv;
gint child_stdout;
GIOChannel *genmarshal_stdout;
GPid child_pid;
DBusBindingToolCData data;
char *tempfile_name;
gint tempfile_fd;
GIOStatus iostatus;
char buf[4096];
gsize bytes_read, bytes_written;
memset (&data, 0, sizeof (data));
dbus_g_value_types_init ();
data.prefix = prefix;
data.generated = g_hash_table_new_full (g_str_hash, g_str_equal, (GDestroyNotify) g_free, NULL);
data.error = error;
genmarshal_stdout = NULL;
tempfile_name = NULL;
if (!gather_marshallers (info, &data, error))
goto io_lose;
tempfile_fd = g_file_open_tmp ("dbus-binding-tool-c-marshallers.XXXXXX",
&tempfile_name, error);
if (tempfile_fd < 0)
goto io_lose;
data.channel = g_io_channel_unix_new (tempfile_fd);
if (!g_io_channel_set_encoding (data.channel, NULL, error))
goto io_lose;
g_hash_table_foreach (data.generated, write_marshaller, &data);
if (error && *error != NULL)
{
ret = FALSE;
g_io_channel_close (data.channel);
g_io_channel_unref (data.channel);
goto io_lose;
}
g_io_channel_close (data.channel);
g_io_channel_unref (data.channel);
/* Now spawn glib-genmarshal to insert all our required marshallers */
argv = g_ptr_array_new ();
g_ptr_array_add (argv, "glib-genmarshal");
g_ptr_array_add (argv, "--header");
g_ptr_array_add (argv, "--body");
g_ptr_array_add (argv, g_strdup_printf ("--prefix=%s%s", MARSHAL_PREFIX, prefix));
g_ptr_array_add (argv, tempfile_name);
g_ptr_array_add (argv, NULL);
if (!g_spawn_async_with_pipes (NULL, (char**)argv->pdata, NULL,
G_SPAWN_SEARCH_PATH,
NULL, NULL,
&child_pid,
NULL,
&child_stdout, NULL, error))
{
g_ptr_array_free (argv, TRUE);
goto io_lose;
}
g_ptr_array_free (argv, TRUE);
genmarshal_stdout = g_io_channel_unix_new (child_stdout);
if (!g_io_channel_set_encoding (genmarshal_stdout, NULL, error))
goto io_lose;
WRITE_OR_LOSE ("/* Generated by dbus-binding-tool; do not edit! */\n\n");
while ((iostatus = g_io_channel_read_chars (genmarshal_stdout, buf, sizeof (buf),
&bytes_read, error)) == G_IO_STATUS_NORMAL)
if (g_io_channel_write_chars (channel, buf, bytes_read, &bytes_written, error) != G_IO_STATUS_NORMAL)
goto io_lose;
if (iostatus != G_IO_STATUS_EOF)
goto io_lose;
g_io_channel_close (genmarshal_stdout);
WRITE_OR_LOSE ("#include <dbus/dbus-glib.h>\n");
data.channel = channel;
g_io_channel_ref (data.channel);
if (!generate_glue (info, &data, error))
goto io_lose;
ret = TRUE;
cleanup:
if (tempfile_name)
unlink (tempfile_name);
g_free (tempfile_name);
if (genmarshal_stdout)
g_io_channel_unref (genmarshal_stdout);
if (data.channel)
g_io_channel_unref (data.channel);
g_hash_table_destroy (data.generated);
return ret;
io_lose:
ret = FALSE;
goto cleanup;
}
static char *
iface_to_c_prefix (const char *iface)
{
char **components;
char **component;
GString *ret;
gboolean first;
components = g_strsplit (iface, ".", 0);
first = TRUE;
ret = g_string_new ("");
for (component = components; *component; component++)
{
if (!first)
g_string_append_c (ret, '_');
else
first = FALSE;
g_string_append (ret, *component);
}
g_strfreev (components);
return g_string_free (ret, FALSE);
}
static char *
compute_client_method_name (const char *iface_prefix, MethodInfo *method)
{
GString *ret;
char *method_name_uscored;
ret = g_string_new (iface_prefix);
method_name_uscored = _dbus_gutils_wincaps_to_uscore (method_info_get_name (method));
g_string_append_c (ret, '_');
g_string_append (ret, method_name_uscored);
g_free (method_name_uscored);
return g_string_free (ret, FALSE);
}
static gboolean
write_formal_parameters (InterfaceInfo *iface, MethodInfo *method, GIOChannel *channel, GError **error)
{
GSList *args;
for (args = method_info_get_args (method); args; args = args->next)
{
ArgInfo *arg;
const char *type_str;
const char *type_suffix;
GType gtype;
int direction;
arg = args->data;
WRITE_OR_LOSE (", ");
direction = arg_info_get_direction (arg);
gtype = dbus_gtype_from_signature (arg_info_get_type (arg), TRUE);
if (gtype == G_TYPE_INVALID)
{
g_set_error (error,
DBUS_BINDING_TOOL_ERROR,
DBUS_BINDING_TOOL_ERROR_UNSUPPORTED_CONVERSION,
_("Unsupported conversion from D-BUS type signature \"%s\" to glib C type in method \"%s\" of interface \"%s\""),
arg_info_get_type (arg),
method_info_get_name (method),
interface_info_get_name (iface));
return FALSE;
}
type_str = dbus_g_type_get_c_name (gtype);
g_assert (type_str);
/* Variants are special...*/
if (gtype == G_TYPE_VALUE)
{
if (direction == ARG_IN)
type_suffix = "*";
else
type_suffix = "";
}
else if ((g_type_is_a (gtype, G_TYPE_BOXED)
|| g_type_is_a (gtype, G_TYPE_OBJECT)
|| g_type_is_a (gtype, G_TYPE_POINTER)))
type_suffix = "*";
else
type_suffix = "";
switch (direction)
{
case ARG_IN:
if (!write_printf_to_iochannel ("const %s%s IN_%s", channel, error,
type_str,
type_suffix,
arg_info_get_name (arg)))
goto io_lose;
break;
case ARG_OUT:
if (!write_printf_to_iochannel ("%s%s* OUT_%s", channel, error,
type_str,
type_suffix,
arg_info_get_name (arg)))
goto io_lose;
break;
case ARG_INVALID:
break;
}
}
return TRUE;
io_lose:
return FALSE;
}
#define MAP_FUNDAMENTAL(NAME) \
case G_TYPE_ ## NAME: \
return g_strdup ("G_TYPE_" #NAME);
#define MAP_KNOWN(NAME) \
if (gtype == NAME) \
return g_strdup (#NAME)
static char *
dbus_g_type_get_lookup_function (GType gtype)
{
char *type_lookup;
switch (gtype)
{
MAP_FUNDAMENTAL(CHAR);
MAP_FUNDAMENTAL(UCHAR);
MAP_FUNDAMENTAL(BOOLEAN);
MAP_FUNDAMENTAL(LONG);
MAP_FUNDAMENTAL(ULONG);
MAP_FUNDAMENTAL(INT);
MAP_FUNDAMENTAL(UINT);
MAP_FUNDAMENTAL(INT64);
MAP_FUNDAMENTAL(UINT64);
MAP_FUNDAMENTAL(FLOAT);
MAP_FUNDAMENTAL(DOUBLE);
MAP_FUNDAMENTAL(STRING);
}
if (dbus_g_type_is_collection (gtype))
{
GType elt_gtype;
char *sublookup;
elt_gtype = dbus_g_type_get_collection_specialization (gtype);
sublookup = dbus_g_type_get_lookup_function (elt_gtype);
g_assert (sublookup);
type_lookup = g_strdup_printf ("dbus_g_type_get_collection (\"GArray\", %s)",
sublookup);
g_free (sublookup);
return type_lookup;
}
else if (dbus_g_type_is_map (gtype))
{
GType key_gtype;
char *key_lookup;
GType value_gtype;
char *value_lookup;
key_gtype = dbus_g_type_get_map_key_specialization (gtype);
value_gtype = dbus_g_type_get_map_value_specialization (gtype);
key_lookup = dbus_g_type_get_lookup_function (key_gtype);
g_assert (key_lookup);
value_lookup = dbus_g_type_get_lookup_function (value_gtype);
g_assert (value_lookup);
type_lookup = g_strdup_printf ("dbus_g_type_get_map (\"GHashTable\", %s, %s)",
key_lookup, value_lookup);
g_free (key_lookup);
g_free (value_lookup);
return type_lookup;
}
MAP_KNOWN(G_TYPE_VALUE);
MAP_KNOWN(G_TYPE_STRV);
MAP_KNOWN(DBUS_TYPE_G_PROXY);
MAP_KNOWN(DBUS_TYPE_G_PROXY_ARRAY);
return NULL;
}
#undef MAP_FUNDAMENTAL
#undef MAP_KNOWN
static gboolean
write_args_for_direction (InterfaceInfo *iface, MethodInfo *method, GIOChannel *channel, int direction, GError **error)
{
GSList *args;
for (args = method_info_get_args (method); args; args = args->next)
{
ArgInfo *arg;
GType gtype;
char *type_lookup;
arg = args->data;
if (direction != arg_info_get_direction (arg))
continue;
gtype = dbus_gtype_from_signature (arg_info_get_type (arg), TRUE);
g_assert (gtype != G_TYPE_INVALID);
type_lookup = dbus_g_type_get_lookup_function (gtype);
g_assert (type_lookup != NULL);
switch (direction)
{
case ARG_IN:
if (!write_printf_to_iochannel ("%s, IN_%s, ", channel, error,
type_lookup,
arg_info_get_name (arg)))
goto io_lose;
break;
case ARG_OUT:
if (!write_printf_to_iochannel ("%s, OUT_%s, ", channel, error,
type_lookup,
arg_info_get_name (arg)))
goto io_lose;
break;
case ARG_INVALID:
break;
}
g_free (type_lookup);
}
return TRUE;
io_lose:
return FALSE;
}
static gboolean
check_supported_parameters (MethodInfo *method)
{
GSList *args;
for (args = method_info_get_args (method); args; args = args->next)
{
ArgInfo *arg;
GType gtype;
arg = args->data;
gtype = dbus_gtype_from_signature (arg_info_get_type (arg), TRUE);
if (gtype == G_TYPE_INVALID)
return FALSE;
}
return TRUE;
}
static gboolean
write_untyped_out_args (InterfaceInfo *iface, MethodInfo *method, GIOChannel *channel, GError **error)
{
GSList *args;
for (args = method_info_get_args (method); args; args = args->next)
{
ArgInfo *arg;
arg = args->data;
if (arg_info_get_direction (arg) != ARG_OUT)
continue;
if (!write_printf_to_iochannel ("OUT_%s, ", channel, error,
arg_info_get_name (arg)))
goto io_lose;
}
return TRUE;
io_lose:
return FALSE;
}
static gboolean
write_formal_declarations_for_direction (InterfaceInfo *iface, MethodInfo *method, GIOChannel *channel, const int direction, GError **error)
{
GSList *args;
for (args = method_info_get_args (method); args; args = args->next)
{
ArgInfo *arg;
GType gtype;
const char *type_str, *type_suffix;
int dir;
arg = args->data;
dir = arg_info_get_direction (arg);
gtype = dbus_gtype_from_signature (arg_info_get_type (arg), TRUE);
type_str = dbus_g_type_get_c_name (gtype);
if (!type_str)
{
g_set_error (error,
DBUS_BINDING_TOOL_ERROR,
DBUS_BINDING_TOOL_ERROR_UNSUPPORTED_CONVERSION,
_("Unsupported conversion from D-BUS type signature \"%s\" to glib C type in method \"%s\" of interface \"%s\""),
arg_info_get_type (arg),
method_info_get_name (method),
interface_info_get_name (iface));
return FALSE;
}
/* Variants are special...*/
if (gtype == G_TYPE_VALUE)
{
if (direction == ARG_IN)
type_suffix = "*";
else
type_suffix = "";
}
else if ((g_type_is_a (gtype, G_TYPE_BOXED)
|| g_type_is_a (gtype, G_TYPE_OBJECT)
|| g_type_is_a (gtype, G_TYPE_POINTER)))
type_suffix = "*";
else
type_suffix = "";
if (direction != dir)
continue;
switch (dir)
{
case ARG_IN:
if (!write_printf_to_iochannel (" %s%s IN_%s;\n", channel, error,
type_str, type_suffix,
arg_info_get_name (arg)))
goto io_lose;
break;
case ARG_OUT:
if (!write_printf_to_iochannel (" %s%s OUT_%s;\n", channel, error,
type_str, type_suffix,
arg_info_get_name (arg)))
goto io_lose;
break;
case ARG_INVALID:
break;
}
}
return TRUE;
io_lose:
return FALSE;
}
static gboolean
write_formal_parameters_for_direction (InterfaceInfo *iface, MethodInfo *method, int dir, GIOChannel *channel, GError **error)
{
GSList *args;
for (args = method_info_get_args (method); args; args = args->next)
{
ArgInfo *arg;
const char *type_str;
const char *type_suffix;
GType gtype;
int direction;
arg = args->data;
direction = arg_info_get_direction (arg);
if (dir != direction) continue;
WRITE_OR_LOSE (", ");
gtype = dbus_gtype_from_signature (arg_info_get_type (arg), TRUE);
type_str = dbus_g_type_get_c_name (gtype);
/* Variants are special...*/
if (gtype == G_TYPE_VALUE)
{
if (direction == ARG_IN)
type_suffix = "*";
else
type_suffix = "";
}
else if ((g_type_is_a (gtype, G_TYPE_BOXED)
|| g_type_is_a (gtype, G_TYPE_OBJECT)
|| g_type_is_a (gtype, G_TYPE_POINTER)))
type_suffix = "*";
else
type_suffix = "";
if (!type_str)
{
g_set_error (error,
DBUS_BINDING_TOOL_ERROR,
DBUS_BINDING_TOOL_ERROR_UNSUPPORTED_CONVERSION,
_("Unsupported conversion from D-BUS type signature \"%s\" to glib C type in method \"%s\" of interface \"%s\""),
arg_info_get_type (arg),
method_info_get_name (method),
interface_info_get_name (iface));
return FALSE;
}
switch (direction)
{
case ARG_IN:
if (!write_printf_to_iochannel ("const %s%s IN_%s", channel, error,
type_str,
type_suffix,
arg_info_get_name (arg)))
goto io_lose;
break;
case ARG_OUT:
if (!write_printf_to_iochannel ("%s%s* OUT_%s", channel, error,
type_str,
type_suffix,
arg_info_get_name (arg)))
goto io_lose;
break;
case ARG_INVALID:
break;
}
}
return TRUE;
io_lose:
return FALSE;
}
static gboolean
write_typed_args_for_direction (InterfaceInfo *iface, MethodInfo *method, GIOChannel *channel, const int direction, GError **error)
{
GSList *args;
for (args = method_info_get_args (method); args; args = args->next)
{
ArgInfo *arg;
int dir;
GType gtype;
const char *type_lookup;
arg = args->data;
dir = arg_info_get_direction (arg);
if (dir != direction)
continue;
gtype = dbus_gtype_from_signature (arg_info_get_type (arg), TRUE);
type_lookup = dbus_g_type_get_lookup_function (gtype);
if (!write_printf_to_iochannel ("%s, &%s_%s, ", channel, error, type_lookup, direction == ARG_IN ? "IN" : "OUT", arg_info_get_name (arg)))
goto io_lose;
}
return TRUE;
io_lose:
return FALSE;
}
static gboolean
write_async_method_client (GIOChannel *channel, InterfaceInfo *interface, MethodInfo *method, GError **error)
{
char *method_name, *iface_prefix;
iface_prefix = iface_to_c_prefix (interface_info_get_name (interface));
method_name = compute_client_method_name (iface_prefix, method);
/* Write the typedef for the client callback */
if (!write_printf_to_iochannel ("typedef void (*%s_reply) (", channel, error, method_name))
goto io_lose;
{
GSList *args;
for (args = method_info_get_args (method); args; args = args->next)
{
ArgInfo *arg;
const char *type_suffix, *type_str;
GType gtype;
arg = args->data;
if (arg_info_get_direction (arg) != ARG_OUT)
continue;
gtype = dbus_gtype_from_signature (arg_info_get_type (arg), TRUE);
if (gtype != G_TYPE_VALUE && (g_type_is_a (gtype, G_TYPE_BOXED)
|| g_type_is_a (gtype, G_TYPE_OBJECT)
|| g_type_is_a (gtype, G_TYPE_POINTER)))
type_suffix = "*";
else
type_suffix = "";
type_str = dbus_g_type_get_c_name (dbus_gtype_from_signature (arg_info_get_type (arg), TRUE));
if (!write_printf_to_iochannel ("%s %sOUT_%s, ", channel, error, type_str, type_suffix, arg_info_get_name (arg)))
goto io_lose;
}
}
WRITE_OR_LOSE ("GError *error, gpointer userdata);\n\n");
/* Write the callback when the call returns */
WRITE_OR_LOSE ("static void\n");
if (!write_printf_to_iochannel ("%s_async_callback (DBusGPendingCall *pending, DBusGAsyncData *data)\n", channel, error, method_name))
goto io_lose;
WRITE_OR_LOSE ("{\n");
WRITE_OR_LOSE (" GError *error = NULL;\n");
if (!write_formal_declarations_for_direction (interface, method, channel, ARG_OUT, error))
goto io_lose;
WRITE_OR_LOSE (" dbus_g_proxy_end_call (data->proxy, pending, &error, ");
if (!write_typed_args_for_direction (interface, method, channel, ARG_OUT, error))
goto io_lose;
WRITE_OR_LOSE("G_TYPE_INVALID);\n");
if (!write_printf_to_iochannel (" (*(%s_reply)data->cb) (", channel, error, method_name))
goto io_lose;
if (!write_untyped_out_args (interface, method, channel, error))
goto io_lose;
WRITE_OR_LOSE ("error, data->userdata);\n");
WRITE_OR_LOSE (" return;\n}\n\n");
/* Write the main wrapper function */
WRITE_OR_LOSE ("static\n#ifdef G_HAVE_INLINE\ninline\n#endif\ngboolean\n");
if (!write_printf_to_iochannel ("%s_async (DBusGProxy *proxy", channel, error,
method_name))
goto io_lose;
if (!write_formal_parameters_for_direction (interface, method, ARG_IN, channel, error))
goto io_lose;
if (!write_printf_to_iochannel (", %s_reply callback, gpointer userdata)\n\n", channel, error, method_name))
goto io_lose;
WRITE_OR_LOSE ("{\n");
WRITE_OR_LOSE (" DBusGPendingCall *pending;\n DBusGAsyncData *stuff;\n stuff = g_new (DBusGAsyncData, 1);\n stuff->proxy = proxy;\n stuff->cb = callback;\n stuff->userdata = userdata;\n");
if (!write_printf_to_iochannel (" pending = dbus_g_proxy_begin_call (proxy, \"%s\", ", channel, error, method_info_get_name (method)))
goto io_lose;
if (!write_args_for_direction (interface, method, channel, ARG_IN, error))
goto io_lose;
WRITE_OR_LOSE ("G_TYPE_INVALID);\n");
if (!write_printf_to_iochannel (" dbus_g_pending_call_set_notify(pending, (DBusGPendingCallNotify)%s_async_callback, stuff, g_free);\n", channel, error, method_name))
goto io_lose;
WRITE_OR_LOSE (" return TRUE;\n}\n\n");
g_free (method_name);
return TRUE;
io_lose:
return FALSE;
}
static gboolean
generate_client_glue_list (GSList *list, DBusBindingToolCData *data, GError **error)
{
GSList *tmp;
tmp = list;
while (tmp != NULL)
{
if (!generate_client_glue (tmp->data, data, error))
return FALSE;
tmp = tmp->next;
}
return TRUE;
}
static gboolean
generate_client_glue (BaseInfo *base, DBusBindingToolCData *data, GError **error)
{
if (base_info_get_type (base) == INFO_TYPE_NODE)
{
if (!generate_client_glue_list (node_info_get_nodes ((NodeInfo *) base),
data, error))
return FALSE;
if (!generate_client_glue_list (node_info_get_interfaces ((NodeInfo *) base),
data, error))
return FALSE;
}
else
{
GIOChannel *channel;
InterfaceInfo *interface;
GSList *methods;
GSList *tmp;
int count;
char *iface_prefix;
channel = data->channel;
interface = (InterfaceInfo *) base;
methods = interface_info_get_methods (interface);
count = 0;
iface_prefix = iface_to_c_prefix (interface_info_get_name (interface));
if (!write_printf_to_iochannel ("#ifndef DBUS_GLIB_CLIENT_WRAPPERS_%s\n"
"#define DBUS_GLIB_CLIENT_WRAPPERS_%s\n\n",
channel, error,
iface_prefix, iface_prefix))
{
g_free (iface_prefix);
goto io_lose;
}
for (tmp = methods; tmp != NULL; tmp = g_slist_next (tmp))
{
MethodInfo *method;
char *method_name;
method = (MethodInfo *) tmp->data;
if (data->ignore_unsupported && !check_supported_parameters (method))
{
g_warning ("Ignoring unsupported signature in method \"%s\" of interface \"%s\"\n",
method_info_get_name (method),
interface_info_get_name (interface));
continue;
}
method_name = compute_client_method_name (iface_prefix, method);
WRITE_OR_LOSE ("static\n#ifdef G_HAVE_INLINE\ninline\n#endif\ngboolean\n");
if (!write_printf_to_iochannel ("%s (DBusGProxy *proxy", channel, error,
method_name))
goto io_lose;
g_free (method_name);
if (!write_formal_parameters (interface, method, channel, error))
goto io_lose;
WRITE_OR_LOSE (", GError **error)\n\n");
WRITE_OR_LOSE ("{\n");
if (!write_printf_to_iochannel (" return dbus_g_proxy_call (proxy, \"%s\", ", channel, error,
method_info_get_name (method)))
goto io_lose;
WRITE_OR_LOSE ("error, ");
if (!write_args_for_direction (interface, method, channel, ARG_IN, error))
goto io_lose;
WRITE_OR_LOSE ("G_TYPE_INVALID, ");
if (!write_args_for_direction (interface, method, channel, ARG_OUT, error))
goto io_lose;
WRITE_OR_LOSE ("G_TYPE_INVALID);\n}\n\n");
write_async_method_client (channel, interface, method, error);
}
if (!write_printf_to_iochannel ("#endif /* defined DBUS_GLIB_CLIENT_WRAPPERS_%s */\n\n", channel, error, iface_prefix))
{
g_free (iface_prefix);
goto io_lose;
}
}
return TRUE;
io_lose:
return FALSE;
}
gboolean
dbus_binding_tool_output_glib_client (BaseInfo *info, GIOChannel *channel, gboolean ignore_unsupported, GError **error)
{
DBusBindingToolCData data;
gboolean ret;
dbus_g_value_types_init ();
memset (&data, 0, sizeof (data));
data.channel = channel;
data.ignore_unsupported = ignore_unsupported;
WRITE_OR_LOSE ("/* Generated by dbus-binding-tool; do not edit! */\n\n");
WRITE_OR_LOSE ("#include <glib/gtypes.h>\n");
WRITE_OR_LOSE ("#include <glib/gerror.h>\n");
WRITE_OR_LOSE ("#include <dbus/dbus-glib.h>\n\n");
WRITE_OR_LOSE ("G_BEGIN_DECLS\n\n");
ret = generate_client_glue (info, &data, error);
if (!ret)
goto io_lose;
WRITE_OR_LOSE ("G_END_DECLS\n");
return ret;
io_lose:
return FALSE;
}
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