summaryrefslogtreecommitdiff
path: root/_dbus_bindings/signature.c
diff options
context:
space:
mode:
authorSimon McVittie <simon.mcvittie@collabora.co.uk>2006-12-11 20:30:19 +0000
committerSimon McVittie <simon.mcvittie@collabora.co.uk>2006-12-11 20:30:19 +0000
commit8ab339978d34b8c14dcf53aa6fbf228efb9130c6 (patch)
tree516e847b0c249f0235d9a8a89b977dd0fc23795b /_dbus_bindings/signature.c
parent14df12b437c1d8e0ce79aa90c99d58c820a94048 (diff)
Separate out remaining types (abstract, bytes, containers, int, float, signature, string) into separate translation units
Diffstat (limited to '_dbus_bindings/signature.c')
-rw-r--r--_dbus_bindings/signature.c245
1 files changed, 245 insertions, 0 deletions
diff --git a/_dbus_bindings/signature.c b/_dbus_bindings/signature.c
new file mode 100644
index 0000000..432e81d
--- /dev/null
+++ b/_dbus_bindings/signature.c
@@ -0,0 +1,245 @@
+/* Implementation of Signature type for D-Bus bindings.
+ *
+ * Copyright (C) 2006 Collabora Ltd.
+ *
+ * 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
+ * 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 <Python.h>
+#include <structmember.h>
+
+#include <stdint.h>
+
+#include "dbus_bindings-internal.h"
+#include "types-internal.h"
+
+PyDoc_STRVAR(Signature_tp_doc,
+"A string subclass whose values are restricted to valid D-Bus\n"
+"signatures. When iterated over, instead of individual characters it\n"
+"produces Signature instances representing single complete types.\n"
+"\n"
+":Constructor:\n"
+" Signature(value: str or unicode[, variant_level: int]) -> Signature\n"
+"\n"
+" value must be a valid D-Bus signature (zero or more single complete\n"
+" types)\n"
+"\n"
+" variant_level must be non-negative; the default is 0.\n"
+"\n"
+":IVariables:\n"
+" `variant_level` : int\n"
+" Indicates how many nested Variant containers this object\n"
+" is contained in: if a message's wire format has a variant containing a\n"
+" variant containing a signature, this is represented in Python by a\n"
+" Signature with variant_level==2.\n"
+);
+
+typedef struct {
+ PyObject_HEAD
+ PyObject *string;
+ DBusSignatureIter iter;
+} SignatureIter;
+
+static void
+SignatureIter_tp_dealloc (SignatureIter *self)
+{
+ Py_XDECREF(self->string);
+ self->string = NULL;
+ PyObject_Del(self);
+}
+
+static PyObject *
+SignatureIter_tp_iternext (SignatureIter *self)
+{
+ char *sig;
+ PyObject *obj;
+
+ /* Stop immediately if finished or not correctly initialized */
+ if (!self->string) return NULL;
+
+ sig = dbus_signature_iter_get_signature(&(self->iter));
+ if (!sig) return PyErr_NoMemory();
+ obj = PyObject_CallFunction((PyObject *)&DBusPySignature_Type, "s", sig);
+ dbus_free(sig);
+ if (!obj) return NULL;
+
+ if (!dbus_signature_iter_next(&(self->iter))) {
+ /* mark object as having been finished with */
+ Py_DECREF(self->string);
+ self->string = NULL;
+ }
+
+ return obj;
+}
+
+static PyObject *
+SignatureIter_tp_iter(PyObject *self)
+{
+ Py_INCREF(self);
+ return self;
+}
+
+static PyTypeObject SignatureIterType = {
+ PyObject_HEAD_INIT(DEFERRED_ADDRESS(&PyType_Type))
+ 0,
+ "_dbus_bindings._SignatureIter",
+ sizeof(SignatureIter),
+ 0,
+ (destructor)SignatureIter_tp_dealloc, /* tp_dealloc */
+ 0, /* tp_print */
+ 0, /* tp_getattr */
+ 0, /* tp_setattr */
+ 0, /* tp_compare */
+ 0, /* tp_repr */
+ 0, /* tp_as_number */
+ 0, /* tp_as_sequence */
+ 0, /* tp_as_mapping */
+ 0, /* tp_hash */
+ 0, /* tp_call */
+ 0, /* tp_str */
+ 0, /* tp_getattro */
+ 0, /* tp_setattro */
+ 0, /* tp_as_buffer */
+ Py_TPFLAGS_DEFAULT, /* tp_flags */
+ 0, /* tp_doc */
+ 0, /* tp_traverse */
+ 0, /* tp_clear */
+ 0, /* tp_richcompare */
+ 0, /* tp_weaklistoffset */
+ SignatureIter_tp_iter, /* tp_iter */
+ (iternextfunc)SignatureIter_tp_iternext, /* tp_iternext */
+ 0, /* tp_methods */
+ 0, /* tp_members */
+ 0, /* tp_getset */
+ 0, /* tp_base */
+ 0, /* tp_dict */
+ 0, /* tp_descr_get */
+ 0, /* tp_descr_set */
+ 0, /* tp_dictoffset */
+ 0, /* tp_init */
+ 0, /* tp_alloc */
+ /* deliberately not callable! Use iter(Signature) instead */
+ 0, /* tp_new */
+ 0, /* tp_free */
+};
+
+static PyObject *
+Signature_tp_iter (PyObject *self)
+{
+ SignatureIter *iter = PyObject_New(SignatureIter, &SignatureIterType);
+ if (!iter) return NULL;
+
+ if (PyString_AS_STRING (self)[0]) {
+ Py_INCREF(self);
+ iter->string = self;
+ dbus_signature_iter_init(&(iter->iter), PyString_AS_STRING(self));
+ }
+ else {
+ /* this is a null string, make a null iterator */
+ iter->string = NULL;
+ }
+ return (PyObject *)iter;
+}
+
+static PyObject *
+Signature_tp_new (PyTypeObject *cls, PyObject *args, PyObject *kwargs)
+{
+ const char *str = NULL;
+ PyObject *ignored;
+ static char *argnames[] = {"object_path", "variant_level", NULL};
+
+ if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s|O:__new__", argnames,
+ &str, &ignored)) return NULL;
+ if (!dbus_signature_validate(str, NULL)) {
+ PyErr_SetString(PyExc_ValueError, "Corrupt type signature");
+ return NULL;
+ }
+ return (DBusPyStrBase_Type.tp_new)(cls, args, kwargs);
+}
+
+PyTypeObject DBusPySignature_Type = {
+ PyObject_HEAD_INIT(DEFERRED_ADDRESS(&PyType_Type))
+ 0,
+ "dbus.Signature",
+ 0,
+ 0,
+ 0, /* tp_dealloc */
+ 0, /* tp_print */
+ 0, /* tp_getattr */
+ 0, /* tp_setattr */
+ 0, /* tp_compare */
+ 0, /* tp_repr */
+ 0, /* tp_as_number */
+ 0, /* tp_as_sequence */
+ 0, /* tp_as_mapping */
+ 0, /* tp_hash */
+ 0, /* tp_call */
+ 0, /* tp_str */
+ 0, /* tp_getattro */
+ 0, /* tp_setattro */
+ 0, /* tp_as_buffer */
+ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
+ Signature_tp_doc, /* tp_doc */
+ 0, /* tp_traverse */
+ 0, /* tp_clear */
+ 0, /* tp_richcompare */
+ 0, /* tp_weaklistoffset */
+ Signature_tp_iter, /* tp_iter */
+ 0, /* tp_iternext */
+ 0, /* tp_methods */
+ 0, /* tp_members */
+ 0, /* tp_getset */
+ DEFERRED_ADDRESS(&DBusPythonStringType), /* tp_base */
+ 0, /* tp_dict */
+ 0, /* tp_descr_get */
+ 0, /* tp_descr_set */
+ 0, /* tp_dictoffset */
+ 0, /* tp_init */
+ 0, /* tp_alloc */
+ Signature_tp_new, /* tp_new */
+ 0, /* tp_free */
+};
+
+dbus_bool_t
+dbus_py_init_signature(void)
+{
+ if (PyType_Ready(&SignatureIterType) < 0) return 0;
+
+ DBusPySignature_Type.tp_base = &DBusPyStrBase_Type;
+ if (PyType_Ready(&DBusPySignature_Type) < 0) return 0;
+ DBusPySignature_Type.tp_print = NULL;
+
+ return 1;
+}
+
+dbus_bool_t
+dbus_py_insert_signature(PyObject *this_module)
+{
+ Py_INCREF(&DBusPySignature_Type);
+ if (PyModule_AddObject(this_module, "Signature",
+ (PyObject *)&DBusPySignature_Type) < 0) return 0;
+ Py_INCREF(&SignatureIterType);
+ if (PyModule_AddObject(this_module, "_SignatureIter",
+ (PyObject *)&SignatureIterType) < 0) return 0;
+
+ return 1;
+}
+
+/* vim:set ft=c cino< sw=4 sts=4 et: */