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DUT2Curling/lib/ruby-gtk2-2.0.2/gio2/ext/gio2/rbgioasyncinitable.c

247 lines
8.2 KiB
C

/* -*- c-file-style: "ruby"; indent-tabs-mode: nil -*- */
/*
* Copyright (C) 2011 Ruby-GNOME2 Project Team
* Copyright (C) 2008-2009 Ruby-GNOME2 Project Team
*
* 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 Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#include "rbgio2private.h"
#define RG_TARGET_NAMESPACE mAsyncInitable
#define _SELF(value) RVAL2GASYNCINITABLE(value)
static VALUE
rg_init_async(int argc, VALUE *argv, VALUE self)
{
VALUE rbio_priority, rbcancellable, block;
int io_priority;
GCancellable *cancellable;
rb_scan_args(argc, argv, "02&", &rbio_priority, &rbcancellable, &block);
io_priority = RVAL2IOPRIORITYDEFAULT(rbio_priority);
cancellable = RVAL2GCANCELLABLE(rbcancellable);
SAVE_BLOCK(block);
g_async_initable_init_async(_SELF(self),
io_priority,
cancellable,
rbgio_async_ready_callback,
(gpointer)block);
return self;
}
static VALUE
rg_init_finish(VALUE self, VALUE result)
{
GError *error = NULL;
if (!g_async_initable_init_finish(_SELF(self),
RVAL2GASYNCRESULT(result),
&error))
rbgio_raise_error(error);
return self;
}
/* NOTE: We don't implement g_async_initable_new_async. */
/* NOTE: We don't implement g_async_initable_new_valist_async. */
struct rbgio_gasyncinitable_new_async_data {
GObjectClass *gclass;
int io_priority;
GCancellable *cancellable;
VALUE block;
VALUE rbparameters;
guint index;
guint n_parameters;
GParameter *parameters;
};
static VALUE
rbgio_gasyncinitiable_new_async_parameters_initialize(VALUE key_value,
struct rbgio_gasyncinitable_new_async_data *data)
{
VALUE key, value;
GParamSpec *spec;
if (data->index >= data->n_parameters)
rb_raise(rb_eArgError,
"too many parameters (%d >= %d)",
data->index, data->n_parameters);
key = rb_ary_entry(key_value, 0);
value = rb_ary_entry(key_value, 1);
data->parameters[data->index].name = SYMBOL_P(key) ?
rb_id2name(SYM2ID(key)) :
StringValuePtr(key);
spec = g_object_class_find_property(data->gclass,
data->parameters[data->index].name);
if (spec == NULL)
rb_raise(rb_eArgError,
"%s: no such property",
data->parameters[data->index].name);
g_value_init(&(data->parameters[data->index].value),
G_PARAM_SPEC_VALUE_TYPE(spec));
rbgobj_rvalue_to_gvalue(value, &(data->parameters[data->index].value));
data->index++;
return Qnil;
}
static VALUE
rbgio_gasyncinitable_new_async_body(struct rbgio_gasyncinitable_new_async_data *data)
{
rb_iterate(rb_each,
data->rbparameters,
rbgio_gasyncinitiable_new_async_parameters_initialize,
(VALUE)data);
SAVE_BLOCK(data->block);
g_async_initable_newv_async(G_TYPE_FROM_CLASS(data->gclass),
data->n_parameters,
data->parameters,
data->io_priority,
data->cancellable,
rbgio_async_ready_callback,
(gpointer)data->block);
return Qnil;
}
static VALUE
rbgio_gasyncinitable_new_async_ensure(struct rbgio_gasyncinitable_new_async_data *data)
{
guint i;
g_type_class_unref(data->gclass);
for (i = 0; i < data->n_parameters; i++)
if (G_IS_VALUE(&data->parameters[i].value))
g_value_unset(&data->parameters[i].value);
g_free(data->parameters);
return Qnil;
}
void
rbgio_gasyncinitable_new_async(GType type,
VALUE parameters,
VALUE io_priority,
VALUE cancellable,
VALUE block)
{
static ID s_id_length;
struct rbgio_gasyncinitable_new_async_data data;
if (s_id_length == 0)
s_id_length = rb_intern("length");
if (!g_type_is_a(type, G_TYPE_OBJECT))
rb_raise(rb_eArgError,
"%s is not a descendant of GObject",
g_type_name(type));
if (NIL_P(parameters)) {
SAVE_BLOCK(block);
g_async_initable_newv_async(type,
0,
NULL,
RVAL2IOPRIORITYDEFAULT(io_priority),
RVAL2GCANCELLABLE(cancellable),
rbgio_async_ready_callback,
(gpointer)block);
return;
} else {
parameters = rb_convert_type(parameters,
T_HASH,
"Hash",
"to_hash");
}
data.gclass = G_OBJECT_CLASS(g_type_class_ref(type));
data.io_priority = RVAL2IOPRIORITYDEFAULT(io_priority);
data.cancellable = RVAL2GCANCELLABLE(cancellable);
data.block = block;
data.rbparameters = parameters;
data.index = 0;
data.n_parameters = RVAL2GUINT(rb_funcall(parameters, s_id_length, 0));
data.parameters = g_new(GParameter, data.n_parameters);
rb_ensure(rbgio_gasyncinitable_new_async_body, (VALUE)&data,
rbgio_gasyncinitable_new_async_ensure, (VALUE)&data);
return;
}
static VALUE
rg_initialize(int argc, VALUE *argv, VALUE self)
{
const RGObjClassInfo* info;
VALUE io_priority, cancellable, parameters, block;
rb_scan_args(argc, argv, "03&", &io_priority, &cancellable, &parameters, &block);
info = CLASS2CINFO(self);
if (info->klass != self)
rb_raise(rb_eTypeError,
"%s: class not registered with GLib",
rb_class2name(self));
rbgio_gasyncinitable_new_async(info->gtype,
parameters,
io_priority,
cancellable,
block);
return self;
}
static VALUE
rg_initialize_finish(VALUE self, VALUE result)
{
GError *error = NULL;
GObject *object;
VALUE rbobject;
object = g_async_initable_new_finish(_SELF(self),
RVAL2GASYNCRESULT(result),
&error);
if (object == NULL)
rbgio_raise_error(error);
rbobject = GOBJ2RVAL(object);
g_object_unref(object);
return rbobject;
}
void
Init_gasyncinitable(VALUE mGio)
{
VALUE RG_TARGET_NAMESPACE = G_DEF_INTERFACE(G_TYPE_ASYNC_INITABLE, "AsyncInitable", mGio);
RG_DEF_METHOD(init_async, -1);
RG_DEF_METHOD(init_finish, 1);
RG_DEF_METHOD(initialize, -1);
RG_DEF_METHOD(initialize_finish, 1);
}