#!/usr/bin/python
# glib-client-gen.py: "I Can't Believe It's Not dbus-binding-tool"
#
# Generate GLib client wrappers from the Telepathy specification.
# The master copy of this program is in the telepathy-glib repository -
# please make any changes there.
#
# Copyright (C) 2006-2008 Collabora Ltd.
#
# 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 2.1 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import sys
import os.path
import xml.dom.minidom
from getopt import gnu_getopt
from libglibcodegen import Signature, type_to_gtype, cmp_by_name, \
camelcase_to_lower, get_docstring, xml_escape
NS_TP = "http://telepathy.freedesktop.org/wiki/DbusSpec#extensions-v0"
class Generator(object):
def __init__(self, dom, prefix, basename, opts):
self.dom = dom
self.__header = []
self.__body = []
self.prefix_lc = prefix.lower()
self.prefix_uc = prefix.upper()
self.prefix_mc = prefix.replace('_', '')
self.basename = basename
self.group = opts.get('--group', None)
self.iface_quark_prefix = opts.get('--iface-quark-prefix', None)
self.proxy_cls = opts.get('--subclass', 'TpProxy') + ' *'
self.proxy_arg = opts.get('--subclass', 'void') + ' *'
self.proxy_assert = opts.get('--subclass-assert', 'TP_IS_PROXY')
self.proxy_doc = ('A #%s or subclass'
% opts.get('--subclass', 'TpProxy'))
if self.proxy_arg == 'void *':
self.proxy_arg = 'gpointer '
def h(self, s):
self.__header.append(s)
def b(self, s):
self.__body.append(s)
def get_iface_quark(self):
assert self.iface_dbus is not None
assert self.iface_uc is not None
if self.iface_quark_prefix is None:
return 'g_quark_from_static_string (\"%s\")' % self.iface_dbus
else:
return '%s_%s' % (self.iface_quark_prefix, self.iface_uc)
def do_signal(self, iface, signal):
iface_lc = iface.lower()
member = signal.getAttribute('name')
member_lc = camelcase_to_lower(member)
member_uc = member_lc.upper()
arg_count = 0
args = []
out_args = []
for arg in signal.getElementsByTagName('arg'):
name = arg.getAttribute('name')
type = arg.getAttribute('type')
tp_type = arg.getAttribute('tp:type')
if not name:
name = 'arg%u' % arg_count
arg_count += 1
else:
name = 'arg_%s' % name
info = type_to_gtype(type)
args.append((name, info, tp_type, arg))
callback_name = ('%s_%s_signal_callback_%s'
% (self.prefix_lc, iface_lc, member_lc))
collect_name = ('_%s_%s_collect_args_of_%s'
% (self.prefix_lc, iface_lc, member_lc))
invoke_name = ('_%s_%s_invoke_callback_for_%s'
% (self.prefix_lc, iface_lc, member_lc))
# Example:
#
# typedef void (*tp_cli_connection_signal_callback_new_channel)
# (TpConnection *proxy, const gchar *arg_object_path,
# const gchar *arg_channel_type, guint arg_handle_type,
# guint arg_handle, gboolean arg_suppress_handler,
# gpointer user_data, GObject *weak_object);
self.b('/**')
self.b(' * %s:' % callback_name)
self.b(' * @proxy: The proxy on which %s_%s_connect_to_%s ()'
% (self.prefix_lc, iface_lc, member_lc))
self.b(' * was called')
for arg in args:
name, info, tp_type, elt = arg
ctype, gtype, marshaller, pointer = info
self.b(' * @%s: %s' % (name,
xml_escape(get_docstring(elt) or '(Undocumented)')))
self.b(' * @user_data: User-supplied data')
self.b(' * @weak_object: User-supplied weakly referenced object')
self.b(' *')
self.b(' * Represents the signature of a callback for the signal %s.'
% member)
self.b(' */')
self.h('typedef void (*%s) (%sproxy,'
% (callback_name, self.proxy_cls))
for arg in args:
name, info, tp_type, elt = arg
ctype, gtype, marshaller, pointer = info
const = pointer and 'const ' or ''
self.h(' %s%s%s,' % (const, ctype, name))
self.h(' gpointer user_data, GObject *weak_object);')
if args:
self.b('static void')
self.b('%s (DBusGProxy *proxy,' % collect_name)
for arg in args:
name, info, tp_type, elt = arg
ctype, gtype, marshaller, pointer = info
const = pointer and 'const ' or ''
self.b(' %s%s%s,' % (const, ctype, name))
self.b(' TpProxySignalConnection *sc)')
self.b('{')
self.b(' GValueArray *args = g_value_array_new (%d);' % len(args))
self.b(' GValue blank = { 0 };')
self.b(' guint i;')
self.b('')
self.b(' g_value_init (&blank, G_TYPE_INT);')
self.b('')
self.b(' for (i = 0; i < %d; i++)' % len(args))
self.b(' g_value_array_append (args, &blank);')
self.b('')
for i, arg in enumerate(args):
name, info, tp_type, elt = arg
ctype, gtype, marshaller, pointer = info
self.b(' g_value_unset (args->values + %d);' % i)
self.b(' g_value_init (args->values + %d, %s);' % (i, gtype))
if gtype == 'G_TYPE_STRING':
self.b(' g_value_set_string (args->values + %d, %s);'
% (i, name))
elif marshaller == 'BOXED':
self.b(' g_value_set_boxed (args->values + %d, %s);'
% (i, name))
elif gtype == 'G_TYPE_UCHAR':
self.b(' g_value_set_uchar (args->values + %d, %s);'
% (i, name))
elif gtype == 'G_TYPE_BOOLEAN':
self.b(' g_value_set_boolean (args->values + %d, %s);'
% (i, name))
elif gtype == 'G_TYPE_INT':
self.b(' g_value_set_int (args->values + %d, %s);'
% (i, name))
elif gtype == 'G_TYPE_UINT':
self.b(' g_value_set_uint (args->values + %d, %s);'
% (i, name))
elif gtype == 'G_TYPE_INT64':
self.b(' g_value_set_int (args->values + %d, %s);'
% (i, name))
elif gtype == 'G_TYPE_UINT64':
self.b(' g_value_set_uint (args->values + %d, %s);'
% (i, name))
elif gtype == 'G_TYPE_DOUBLE':
self.b(' g_value_set_double (args->values + %d, %s);'
% (i, name))
else:
assert False, ("Don't know how to put %s in a GValue"
% gtype)
self.b('')
self.b(' tp_proxy_signal_connection_v0_take_results (sc, args);')
self.b('}')
self.b('static void')
self.b('%s (TpProxy *tpproxy,' % invoke_name)
self.b(' GError *error,')
self.b(' GValueArray *args,')
self.b(' GCallback generic_callback,')
self.b(' gpointer user_data,')
self.b(' GObject *weak_object)')
self.b('{')
self.b(' %s callback =' % callback_name)
self.b(' (%s) generic_callback;' % callback_name)
self.b('')
self.b(' if (callback != NULL)')
self.b(' callback (g_object_ref (tpproxy),')
# FIXME: factor out into a function
for i, arg in enumerate(args):
name, info, tp_type, elt = arg
ctype, gtype, marshaller, pointer = info
if marshaller == 'BOXED':
self.b(' g_value_get_boxed (args->values + %d),' % i)
elif gtype == 'G_TYPE_STRING':
self.b(' g_value_get_string (args->values + %d),' % i)
elif gtype == 'G_TYPE_UCHAR':
self.b(' g_value_get_uchar (args->values + %d),' % i)
elif gtype == 'G_TYPE_BOOLEAN':
self.b(' g_value_get_boolean (args->values + %d),' % i)
elif gtype == 'G_TYPE_UINT':
self.b(' g_value_get_uint (args->values + %d),' % i)
elif gtype == 'G_TYPE_INT':
self.b(' g_value_get_int (args->values + %d),' % i)
elif gtype == 'G_TYPE_UINT64':
self.b(' g_value_get_uint64 (args->values + %d),' % i)
elif gtype == 'G_TYPE_INT64':
self.b(' g_value_get_int64 (args->values + %d),' % i)
elif gtype == 'G_TYPE_DOUBLE':
self.b(' g_value_get_double (args->values + %d),' % i)
else:
assert False, "Don't know how to get %s from a GValue" % gtype
self.b(' user_data,')
self.b(' weak_object);')
self.b('')
if len(args) > 0:
self.b(' g_value_array_free (args);')
else:
self.b(' if (args != NULL)')
self.b(' g_value_array_free (args);')
self.b('')
self.b(' g_object_unref (tpproxy);')
self.b('}')
# Example:
#
# TpProxySignalConnection *
# tp_cli_connection_connect_to_new_channel
# (TpConnection *proxy,
# tp_cli_connection_signal_callback_new_channel callback,
# gpointer user_data,
# GDestroyNotify destroy);
#
# destroy is invoked when the signal becomes disconnected. This
# is either because the signal has been disconnected explicitly
# by the user, because the TpProxy has become invalid and
# emitted the 'invalidated' signal, or because the weakly referenced
# object has gone away.
self.b('/**')
self.b(' * %s_%s_connect_to_%s:'
% (self.prefix_lc, iface_lc, member_lc))
self.b(' * @proxy: %s' % self.proxy_doc)
self.b(' * @callback: Callback to be called when the signal is')
self.b(' * received')
self.b(' * @user_data: User-supplied data for the callback')
self.b(' * @destroy: Destructor for the user-supplied data, which')
self.b(' * will be called when this signal is disconnected, or')
self.b(' * before this function returns %NULL')
self.b(' * @weak_object: A #GObject which will be weakly referenced; ')
self.b(' * if it is destroyed, this callback will automatically be')
self.b(' * disconnected')
self.b(' * @error: If not %NULL, used to raise an error if %NULL is')
self.b(' * returned')
self.b(' *')
self.b(' * Connect a handler to the signal %s.' % member)
self.b(' *')
self.b(' * %s' % xml_escape(get_docstring(signal) or '(Undocumented)'))
self.b(' *')
self.b(' * Returns: a #TpProxySignalConnection containing all of the')
self.b(' * above, which can be used to disconnect the signal; or')
self.b(' * %NULL if the proxy does not have the desired interface')
self.b(' * or has become invalid.')
self.b(' */')
self.h('TpProxySignalConnection *%s_%s_connect_to_%s (%sproxy,'
% (self.prefix_lc, iface_lc, member_lc, self.proxy_arg))
self.h(' %s callback,' % callback_name)
self.h(' gpointer user_data,')
self.h(' GDestroyNotify destroy,')
self.h(' GObject *weak_object,')
self.h(' GError **error);')
self.b('TpProxySignalConnection *')
self.b('%s_%s_connect_to_%s (%sproxy,'
% (self.prefix_lc, iface_lc, member_lc, self.proxy_arg))
self.b(' %s callback,' % callback_name)
self.b(' gpointer user_data,')
self.b(' GDestroyNotify destroy,')
self.b(' GObject *weak_object,')
self.b(' GError **error)')
self.b('{')
self.b(' GType expected_types[%d] = {' % (len(args) + 1))
for arg in args:
name, info, tp_type, elt = arg
ctype, gtype, marshaller, pointer = info
self.b(' %s,' % gtype)
self.b(' G_TYPE_INVALID };')
self.b('')
self.b(' g_return_val_if_fail (%s (proxy), NULL);'
% self.proxy_assert)
self.b(' g_return_val_if_fail (callback != NULL, NULL);')
self.b('')
self.b(' return tp_proxy_signal_connection_v0_new ((TpProxy *) proxy,')
self.b(' %s, \"%s\",' % (self.get_iface_quark(), member))
self.b(' expected_types,')
if args:
self.b(' G_CALLBACK (%s),' % collect_name)
else:
self.b(' NULL, /* no args => no collector function */')
self.b(' %s,' % invoke_name)
self.b(' G_CALLBACK (callback), user_data, destroy,')
self.b(' weak_object, error);')
self.b('}')
self.b('')
self.h('')
def do_method(self, iface, method):
iface_lc = iface.lower()
member = method.getAttribute('name')
member_lc = camelcase_to_lower(member)
member_uc = member_lc.upper()
in_count = 0
ret_count = 0
in_args = []
out_args = []
for arg in method.getElementsByTagName('arg'):
name = arg.getAttribute('name')
direction = arg.getAttribute('direction')
type = arg.getAttribute('type')
tp_type = arg.getAttribute('tp:type')
if direction != 'out':
if not name:
name = 'in%u' % in_count
in_count += 1
else:
name = 'in_%s' % name
else:
if not name:
name = 'out%u' % ret_count
ret_count += 1
else:
name = 'out_%s' % name
info = type_to_gtype(type)
if direction != 'out':
in_args.append((name, info, tp_type, arg))
else:
out_args.append((name, info, tp_type, arg))
# Async reply callback type
# Example:
# void (*tp_cli_properties_interface_callback_for_get_properties)
# (TpProxy *proxy,
# const GPtrArray *out0,
# const GError *error,
# gpointer user_data,
# GObject *weak_object);
self.b('/**')
self.b(' * %s_%s_callback_for_%s:'
% (self.prefix_lc, iface_lc, member_lc))
self.b(' * @proxy: the proxy on which the call was made')
for arg in out_args:
name, info, tp_type, elt = arg
ctype, gtype, marshaller, pointer = info
self.b(' * @%s: Used to return an \'out\' argument if @error is '
'%%NULL: %s'
% (name, xml_escape(get_docstring(elt) or '(Undocumented)')))
self.b(' * @error: %NULL on success, or an error on failure')
self.b(' * @user_data: user-supplied data')
self.b(' * @weak_object: user-supplied object')
self.b(' *')
self.b(' * Signature of the callback called when a %s method call'
% member)
self.b(' * succeeds or fails.')
self.b(' */')
callback_name = '%s_%s_callback_for_%s' % (self.prefix_lc, iface_lc,
member_lc)
self.h('typedef void (*%s) (%sproxy,'
% (callback_name, self.proxy_cls))
for arg in out_args:
name, info, tp_type, elt = arg
ctype, gtype, marshaller, pointer = info
const = pointer and 'const ' or ''
self.h(' %s%s%s,' % (const, ctype, name))
self.h(' const GError *error, gpointer user_data,')
self.h(' GObject *weak_object);')
self.h('')
# Async callback implementation
invoke_callback = '_%s_%s_invoke_callback_%s' % (self.prefix_lc,
iface_lc,
member_lc)
collect_callback = '_%s_%s_collect_callback_%s' % (self.prefix_lc,
iface_lc,
member_lc)
# The callback called by dbus-glib; this ends the call and collects
# the results into a GValueArray.
self.b('static void')
self.b('%s (DBusGProxy *proxy,' % collect_callback)
self.b(' DBusGProxyCall *call,')
self.b(' gpointer user_data)')
self.b('{')
self.b(' GError *error = NULL;')
if len(out_args) > 0:
self.b(' GValueArray *args;')
self.b(' GValue blank = { 0 };')
self.b(' guint i;')
for arg in out_args:
name, info, tp_type, elt = arg
ctype, gtype, marshaller, pointer = info
# "We handle variants specially; the caller is expected to
# have already allocated storage for them". Thanks,
# dbus-glib...
if gtype == 'G_TYPE_VALUE':
self.b(' GValue *%s = g_new0 (GValue, 1);' % name)
else:
self.b(' %s%s;' % (ctype, name))
self.b('')
self.b(' dbus_g_proxy_end_call (proxy, call, &error,')
for arg in out_args:
name, info, tp_type, elt = arg
ctype, gtype, marshaller, pointer = info
if gtype == 'G_TYPE_VALUE':
self.b(' %s, %s,' % (gtype, name))
else:
self.b(' %s, &%s,' % (gtype, name))
self.b(' G_TYPE_INVALID);')
if len(out_args) == 0:
self.b(' tp_proxy_pending_call_v0_take_results (user_data, error,'
'NULL);')
else:
self.b('')
self.b(' if (error != NULL)')
self.b(' {')
self.b(' tp_proxy_pending_call_v0_take_results (user_data, error,')
self.b(' NULL);')
for arg in out_args:
name, info, tp_type, elt = arg
ctype, gtype, marshaller, pointer = info
if gtype == 'G_TYPE_VALUE':
self.b(' g_free (%s);' % name)
self.b(' return;')
self.b(' }')
self.b('')
self.b(' args = g_value_array_new (%d);' % len(out_args))
self.b(' g_value_init (&blank, G_TYPE_INT);')
self.b('')
self.b(' for (i = 0; i < %d; i++)' % len(out_args))
self.b(' g_value_array_append (args, &blank);')
for i, arg in enumerate(out_args):
name, info, tp_type, elt = arg
ctype, gtype, marshaller, pointer = info
self.b('')
self.b(' g_value_unset (args->values + %d);' % i)
self.b(' g_value_init (args->values + %d, %s);' % (i, gtype))
if gtype == 'G_TYPE_STRING':
self.b(' g_value_take_string (args->values + %d, %s);'
% (i, name))
elif marshaller == 'BOXED':
self.b(' g_value_take_boxed (args->values + %d, %s);'
% (i, name))
elif gtype == 'G_TYPE_UCHAR':
self.b(' g_value_set_uchar (args->values + %d, %s);'
% (i, name))
elif gtype == 'G_TYPE_BOOLEAN':
self.b(' g_value_set_boolean (args->values + %d, %s);'
% (i, name))
elif gtype == 'G_TYPE_INT':
self.b(' g_value_set_int (args->values + %d, %s);'
% (i, name))
elif gtype == 'G_TYPE_UINT':
self.b(' g_value_set_uint (args->values + %d, %s);'
% (i, name))
elif gtype == 'G_TYPE_INT64':
self.b(' g_value_set_int (args->values + %d, %s);'
% (i, name))
elif gtype == 'G_TYPE_UINT64':
self.b(' g_value_set_uint (args->values + %d, %s);'
% (i, name))
elif gtype == 'G_TYPE_DOUBLE':
self.b(' g_value_set_double (args->values + %d, %s);'
% (i, name))
else:
assert False, ("Don't know how to put %s in a GValue"
% gtype)
self.b(' tp_proxy_pending_call_v0_take_results (user_data, '
'NULL, args);')
self.b('}')
self.b('static void')
self.b('%s (TpProxy *self,' % invoke_callback)
self.b(' GError *error,')
self.b(' GValueArray *args,')
self.b(' GCallback generic_callback,')
self.b(' gpointer user_data,')
self.b(' GObject *weak_object)')
self.b('{')
self.b(' %s callback = (%s) generic_callback;'
% (callback_name, callback_name))
self.b('')
self.b(' if (error != NULL)')
self.b(' {')
self.b(' callback ((%s) self,' % self.proxy_cls)
for arg in out_args:
name, info, tp_type, elt = arg
ctype, gtype, marshaller, pointer = info
if marshaller == 'BOXED' or pointer:
self.b(' NULL,')
elif gtype == 'G_TYPE_DOUBLE':
self.b(' 0.0,')
else:
self.b(' 0,')
self.b(' error, user_data, weak_object);')
self.b(' g_error_free (error);')
self.b(' return;')
self.b(' }')
self.b(' callback ((%s) self,' % self.proxy_cls)
# FIXME: factor out into a function
for i, arg in enumerate(out_args):
name, info, tp_type, elt = arg
ctype, gtype, marshaller, pointer = info
if marshaller == 'BOXED':
self.b(' g_value_get_boxed (args->values + %d),' % i)
elif gtype == 'G_TYPE_STRING':
self.b(' g_value_get_string (args->values + %d),' % i)
elif gtype == 'G_TYPE_UCHAR':
self.b(' g_value_get_uchar (args->values + %d),' % i)
elif gtype == 'G_TYPE_BOOLEAN':
self.b(' g_value_get_boolean (args->values + %d),' % i)
elif gtype == 'G_TYPE_UINT':
self.b(' g_value_get_uint (args->values + %d),' % i)
elif gtype == 'G_TYPE_INT':
self.b(' g_value_get_int (args->values + %d),' % i)
elif gtype == 'G_TYPE_UINT64':
self.b(' g_value_get_uint64 (args->values + %d),' % i)
elif gtype == 'G_TYPE_INT64':
self.b(' g_value_get_int64 (args->values + %d),' % i)
elif gtype == 'G_TYPE_DOUBLE':
self.b(' g_value_get_double (args->values + %d),' % i)
else:
assert False, "Don't know how to get %s from a GValue" % gtype
self.b(' error, user_data, weak_object);')
self.b('')
if len(out_args) > 0:
self.b(' g_value_array_free (args);')
else:
self.b(' if (args != NULL)')
self.b(' g_value_array_free (args);')
self.b('}')
self.b('')
# Async stub
# Example:
# TpProxyPendingCall *
# tp_cli_properties_interface_call_get_properties
# (gpointer proxy,
# gint timeout_ms,
# const GArray *in_properties,
# tp_cli_properties_interface_callback_for_get_properties callback,
# gpointer user_data,
# GDestroyNotify *destructor);
self.h('TpProxyPendingCall *%s_%s_call_%s (%sproxy,'
% (self.prefix_lc, iface_lc, member_lc, self.proxy_arg))
self.h(' gint timeout_ms,')
self.b('/**')
self.b(' * %s_%s_call_%s:'
% (self.prefix_lc, iface_lc, member_lc))
self.b(' * @proxy: the #TpProxy')
self.b(' * @timeout_ms: the timeout in milliseconds, or -1 to use the')
self.b(' * default')
for arg in in_args:
name, info, tp_type, elt = arg
ctype, gtype, marshaller, pointer = info
self.b(' * @%s: Used to pass an \'in\' argument: %s'
% (name, xml_escape(get_docstring(elt) or '(Undocumented)')))
self.b(' * @callback: called when the method call succeeds or fails')
self.b(' * @user_data: user-supplied data passed to the callback')
self.b(' * @destroy: called with the user_data as argument, after the')
self.b(' * call has succeeded, failed or been cancelled')
self.b(' * @weak_object: A #GObject which will be weakly referenced; ')
self.b(' * if it is destroyed, this callback will automatically be')
self.b(' * disconnected')
self.b(' *')
self.b(' * Start a %s method call.' % member)
self.b(' *')
self.b(' * %s' % xml_escape(get_docstring(method) or '(Undocumented)'))
self.b(' *')
self.b(' * Returns: a #TpProxyPendingCall representing the call in')
self.b(' * progress. It is borrowed from the object, and will become')
self.b(' * invalid when the callback is called, the call is')
self.b(' * cancelled or the #TpProxy becomes invalid.')
self.b(' */')
self.b('TpProxyPendingCall *\n%s_%s_call_%s (%sproxy,'
% (self.prefix_lc, iface_lc, member_lc, self.proxy_arg))
self.b(' gint timeout_ms,')
for arg in in_args:
name, info, tp_type, elt = arg
ctype, gtype, marshaller, pointer = info
const = pointer and 'const ' or ''
self.h(' %s%s%s,' % (const, ctype, name))
self.b(' %s%s%s,' % (const, ctype, name))
self.h(' %s callback,' % callback_name)
self.h(' gpointer user_data,')
self.h(' GDestroyNotify destroy,')
self.h(' GObject *weak_object);')
self.h('')
self.b(' %s callback,' % callback_name)
self.b(' gpointer user_data,')
self.b(' GDestroyNotify destroy,')
self.b(' GObject *weak_object)')
self.b('{')
self.b(' GError *error = NULL;')
self.b(' GQuark interface = %s;' % self.get_iface_quark())
self.b(' DBusGProxy *iface;')
self.b('')
self.b(' g_return_val_if_fail (%s (proxy), NULL);'
% self.proxy_assert)
self.b('')
self.b(' iface = tp_proxy_borrow_interface_by_id (')
self.b(' (TpProxy *) proxy,')
self.b(' interface, &error);')
self.b('')
self.b(' if (iface == NULL)')
self.b(' {')
self.b(' if (callback != NULL)')
self.b(' callback (proxy,')
for arg in out_args:
name, info, tp_type, elt = arg
ctype, gtype, marshaller, pointer = info
if pointer:
self.b(' NULL,')
else:
self.b(' 0,')
self.b(' error, user_data, weak_object);')
self.b(' return NULL;')
self.b(' }')
self.b('')
self.b(' if (callback == NULL)')
self.b(' {')
self.b(' dbus_g_proxy_call_no_reply (iface, "%s",' % member)
for arg in in_args:
name, info, tp_type, elt = arg
ctype, gtype, marshaller, pointer = info
const = pointer and 'const ' or ''
self.b(' %s, %s,' % (gtype, name))
self.b(' G_TYPE_INVALID);')
self.b(' return NULL;')
self.b(' }')
self.b(' else')
self.b(' {')
self.b(' TpProxyPendingCall *data;')
self.b('')
self.b(' data = tp_proxy_pending_call_v0_new ((TpProxy *) proxy,')
self.b(' interface, "%s", iface,' % member)
self.b(' %s,' % invoke_callback)
self.b(' G_CALLBACK (callback), user_data, destroy,')
self.b(' weak_object, FALSE);')
self.b(' tp_proxy_pending_call_v0_take_pending_call (data,')
self.b(' dbus_g_proxy_begin_call_with_timeout (iface,')
self.b(' "%s",' % member)
self.b(' %s,' % collect_callback)
self.b(' data,')
self.b(' tp_proxy_pending_call_v0_completed,')
self.b(' timeout_ms,')
for arg in in_args:
name, info, tp_type, elt = arg
ctype, gtype, marshaller, pointer = info
const = pointer and 'const ' or ''
self.b(' %s, %s,' % (gtype, name))
self.b(' G_TYPE_INVALID));')
self.b('')
self.b(' return data;')
self.b(' }')
self.b('}')
self.b('')
# Reentrant blocking calls
# Example:
# gboolean tp_cli_properties_interface_run_get_properties
# (gpointer proxy,
# gint timeout_ms,
# const GArray *in_properties,
# GPtrArray **out0,
# GError **error,
# GMainLoop **loop);
self.b('typedef struct {')
self.b(' GMainLoop *loop;')
self.b(' GError **error;')
for arg in out_args:
name, info, tp_type, elt = arg
ctype, gtype, marshaller, pointer = info
self.b(' %s*%s;' % (ctype, name))
self.b(' gboolean success:1;')
self.b(' gboolean completed:1;')
self.b('} _%s_%s_run_state_%s;'
% (self.prefix_lc, iface_lc, member_lc))
reentrant_invoke = '_%s_%s_finish_running_%s' % (self.prefix_lc,
iface_lc,
member_lc)
self.b('static void')
self.b('%s (TpProxy *self,' % reentrant_invoke)
self.b(' GError *error,')
self.b(' GValueArray *args,')
self.b(' GCallback unused,')
self.b(' gpointer user_data,')
self.b(' GObject *unused2)')
self.b('{')
self.b(' _%s_%s_run_state_%s *state = user_data;'
% (self.prefix_lc, iface_lc, member_lc))
self.b('')
self.b(' state->success = (error == NULL);')
self.b(' state->completed = TRUE;')
self.b(' g_main_loop_quit (state->loop);')
self.b('')
self.b(' if (error != NULL)')
self.b(' {')
self.b(' if (state->error != NULL)')
self.b(' *state->error = error;')
self.b(' else')
self.b(' g_error_free (error);')
self.b('')
self.b(' return;')
self.b(' }')
self.b('')
for i, arg in enumerate(out_args):
name, info, tp_type, elt = arg
ctype, gtype, marshaller, pointer = info
self.b(' if (state->%s != NULL)' % name)
if marshaller == 'BOXED':
self.b(' *state->%s = g_value_dup_boxed ('
'args->values + %d);' % (name, i))
elif marshaller == 'STRING':
self.b(' *state->%s = g_value_dup_string '
'(args->values + %d);' % (name, i))
elif marshaller in ('UCHAR', 'BOOLEAN', 'INT', 'UINT',
'INT64', 'UINT64', 'DOUBLE'):
self.b(' *state->%s = g_value_get_%s (args->values + %d);'
% (name, marshaller.lower(), i))
else:
assert False, "Don't know how to copy %s" % gtype
self.b('')
if len(out_args) > 0:
self.b(' g_value_array_free (args);')
else:
self.b(' if (args != NULL)')
self.b(' g_value_array_free (args);')
self.b('}')
self.b('')
self.h('gboolean %s_%s_run_%s (%sproxy,'
% (self.prefix_lc, iface_lc, member_lc, self.proxy_arg))
self.h(' gint timeout_ms,')
self.b('/**')
self.b(' * %s_%s_run_%s:' % (self.prefix_lc, iface_lc, member_lc))
self.b(' * @proxy: %s' % self.proxy_doc)
self.b(' * @timeout_ms: Timeout in milliseconds, or -1 for default')
for arg in in_args:
name, info, tp_type, elt = arg
ctype, gtype, marshaller, pointer = info
self.b(' * @%s: Used to pass an \'in\' argument: %s'
% (name, xml_escape(get_docstring(elt) or '(Undocumented)')))
for arg in out_args:
name, info, tp_type, elt = arg
ctype, gtype, marshaller, pointer = info
self.b(' * @%s: Used to return an \'out\' argument if %%TRUE is '
'returned: %s'
% (name, xml_escape(get_docstring(elt) or '(Undocumented)')))
self.b(' * @error: If not %NULL, used to return errors if %FALSE ')
self.b(' * is returned')
self.b(' * @loop: If not %NULL, set before re-entering ')
self.b(' * the main loop, to point to a #GMainLoop ')
self.b(' * which can be used to cancel this call with ')
self.b(' * g_main_loop_quit(), causing a return of ')
self.b(' * %FALSE with @error set to %TP_DBUS_ERROR_CANCELLED')
self.b(' *')
self.b(' * Call the method %s and run the main loop' % member)
self.b(' * until it returns. Before calling this method, you must')
self.b(' * add a reference to any borrowed objects you need to keep,')
self.b(' * and generally ensure that everything is in a consistent')
self.b(' * state.')
self.b(' *')
self.b(' * %s' % xml_escape(get_docstring(method) or '(Undocumented)'))
self.b(' *')
self.b(' * Returns: TRUE on success, FALSE and sets @error on error')
self.b(' */')
self.b('gboolean\n%s_%s_run_%s (%sproxy,'
% (self.prefix_lc, iface_lc, member_lc, self.proxy_arg))
self.b(' gint timeout_ms,')
for arg in in_args:
name, info, tp_type, elt = arg
ctype, gtype, marshaller, pointer = info
const = pointer and 'const ' or ''
self.h(' %s%s%s,' % (const, ctype, name))
self.b(' %s%s%s,' % (const, ctype, name))
for arg in out_args:
name, info, tp_type, elt = arg
ctype, gtype, marshaller, pointer = info
self.h(' %s*%s,' % (ctype, name))
self.b(' %s*%s,' % (ctype, name))
self.h(' GError **error,')
self.h(' GMainLoop **loop);')
self.h('')
self.b(' GError **error,')
self.b(' GMainLoop **loop)')
self.b('{')
self.b(' DBusGProxy *iface;')
self.b(' GQuark interface = %s;' % self.get_iface_quark())
self.b(' TpProxyPendingCall *pc;')
self.b(' _%s_%s_run_state_%s state = {'
% (self.prefix_lc, iface_lc, member_lc))
self.b(' NULL /* loop */, error,')
for arg in out_args:
name, info, tp_type, elt = arg
self.b(' %s,' % name)
self.b(' FALSE /* completed */, FALSE /* success */ };')
self.b('')
self.b(' g_return_val_if_fail (%s (proxy), FALSE);'
% self.proxy_assert)
self.b('')
self.b(' iface = tp_proxy_borrow_interface_by_id')
self.b(' ((TpProxy *) proxy, interface, error);')
self.b('')
self.b(' if (iface == NULL)')
self.b(' return FALSE;')
self.b('')
self.b(' state.loop = g_main_loop_new (NULL, FALSE);')
self.b('')
self.b(' pc = tp_proxy_pending_call_v0_new ((TpProxy *) proxy,')
self.b(' interface, "%s", iface,' % member)
self.b(' %s,' % reentrant_invoke)
self.b(' NULL, &state, NULL, NULL, TRUE);')
self.b('')
self.b(' if (loop != NULL)')
self.b(' *loop = state.loop;')
self.b('')
self.b(' tp_proxy_pending_call_v0_take_pending_call (pc,')
self.b(' dbus_g_proxy_begin_call_with_timeout (iface,')
self.b(' "%s",' % member)
self.b(' %s,' % collect_callback)
self.b(' pc,')
self.b(' tp_proxy_pending_call_v0_completed,')
self.b(' timeout_ms,')
for arg in in_args:
name, info, tp_type, elt = arg
ctype, gtype, marshaller, pointer = info
const = pointer and 'const ' or ''
self.b(' %s, %s,' % (gtype, name))
self.b(' G_TYPE_INVALID));')
self.b('')
self.b(' if (!state.completed)')
self.b(' g_main_loop_run (state.loop);')
self.b('')
self.b(' if (!state.completed)')
self.b(' tp_proxy_pending_call_cancel (pc);')
self.b('')
self.b(' if (loop != NULL)')
self.b(' *loop = NULL;')
self.b('')
self.b(' g_main_loop_unref (state.loop);')
self.b('')
self.b(' return state.success;')
self.b('}')
self.b('')
# leave a gap for the end of the method
self.b('')
self.h('')
def do_signal_add(self, signal):
marshaller_items = []
gtypes = []
for i in signal.getElementsByTagName('arg'):
name = i.getAttribute('name')
type = i.getAttribute('type')
info = type_to_gtype(type)
# type, GType, STRING, is a pointer
gtypes.append(info[1])
self.b(' dbus_g_proxy_add_signal (proxy, "%s",'
% signal.getAttribute('name'))
for gtype in gtypes:
self.b(' %s,' % gtype)
self.b(' G_TYPE_INVALID);')
def do_interface(self, node):
ifaces = node.getElementsByTagName('interface')
assert len(ifaces) == 1
iface = ifaces[0]
name = node.getAttribute('name').replace('/', '')
self.iface = name
self.iface_lc = name.lower()
self.iface_uc = name.upper()
self.iface_mc = name.replace('_', '')
self.iface_dbus = iface.getAttribute('name')
signals = node.getElementsByTagName('signal')
methods = node.getElementsByTagName('method')
self.b('static inline void')
self.b('%s_add_signals_for_%s (DBusGProxy *proxy)'
% (self.prefix_lc, name.lower()))
self.b('{')
for signal in signals:
self.do_signal_add(signal)
self.b('}')
self.b('')
self.b('')
for signal in signals:
self.do_signal(name, signal)
for method in methods:
self.do_method(name, method)
self.iface_dbus = None
def __call__(self):
self.h('G_BEGIN_DECLS')
self.h('')
self.b('/* We don\'t want gtkdoc scanning this file, it\'ll get')
self.b(' * confused by seeing function definitions, so mark it as: */')
self.b('/**/')
self.b('')
nodes = self.dom.getElementsByTagName('node')
nodes.sort(cmp_by_name)
for node in nodes:
self.do_interface(node)
if self.group is not None:
self.b('/*')
self.b(' * %s_%s_add_signals:' % (self.prefix_lc, self.group))
self.b(' * @self: the #TpProxy')
self.b(' * @quark: a quark whose string value is the interface')
self.b(' * name whose signals should be added')
self.b(' * @proxy: the D-Bus proxy to which to add the signals')
self.b(' * @unused: not used for anything')
self.b(' *')
self.b(' * Tell dbus-glib that @proxy has the signatures of all')
self.b(' * signals on the given interface, if it\'s one we')
self.b(' * support.')
self.b(' *')
self.b(' * This function should be used as a signal handler for')
self.b(' * #TpProxy::interface-added.')
self.b(' */')
self.b('static void')
self.b('%s_%s_add_signals (TpProxy *self,'
% (self.prefix_lc, self.group))
self.b(' guint quark,')
self.b(' DBusGProxy *proxy,')
self.b(' gpointer unused)')
self.b('{')
for node in nodes:
iface = node.getElementsByTagName('interface')[0]
self.iface_dbus = iface.getAttribute('name')
name = node.getAttribute('name').replace('/', '').lower()
self.iface_uc = name.upper()
self.b(' if (quark == %s)' % self.get_iface_quark())
self.b(' %s_add_signals_for_%s (proxy);'
% (self.prefix_lc, name))
self.b('}')
self.b('')
self.h('G_END_DECLS')
self.h('')
open(self.basename + '.h', 'w').write('\n'.join(self.__header))
open(self.basename + '-body.h', 'w').write('\n'.join(self.__body))
def types_to_gtypes(types):
return [type_to_gtype(t)[1] for t in types]
if __name__ == '__main__':
options, argv = gnu_getopt(sys.argv[1:], '',
['group=', 'subclass=', 'subclass-assert=',
'iface-quark-prefix='])
opts = {}
for option, value in options:
opts[option] = value
dom = xml.dom.minidom.parse(argv[0])
Generator(dom, argv[1], argv[2], opts)()