comparison mercurial/manifest.c @ 24295:2b7ab29627fd

lazymanifest: add iterkeys() method

So we don't have to iteratate over (path, node, flags) tuples only to
throw away the node and flags.

24294:3d485727e45e

	0,                               /* tp_weaklistoffset */
	PyObject_SelfIter,               /* tp_iter: __iter__() method */
	lmiter_iternext,                 /* tp_iternext: next() method */
};

static lazymanifest *lazymanifest_copy(lazymanifest *self);

static PyObject *lazymanifest_getiter(lazymanifest *self)
{
	lmIter *i = NULL;

	if (!t) {
		PyErr_NoMemory();
		return NULL;
	}
	i = PyObject_New(lmIter, &lazymanifestIterator);
	if (i) {
		i->m = t;
		i->pos = -1;
	} else {
		Py_DECREF(t);

	Py_XDECREF(emptyTup);
	return NULL;
}

static PyMethodDef lazymanifest_methods[] = {
	{"copy", (PyCFunction)lazymanifest_copy, METH_NOARGS,
	 "Make a copy of this lazymanifest."},
	{"filtercopy", (PyCFunction)lazymanifest_filtercopy, METH_O,
	 "Make a copy of this manifest filtered by matchfn."},
	{"diff", (PyCFunction)lazymanifest_diff, METH_VARARGS,

24295:2b7ab29627fd

	0,                               /* tp_weaklistoffset */
	PyObject_SelfIter,               /* tp_iter: __iter__() method */
	lmiter_iternext,                 /* tp_iternext: next() method */
};

static PyObject *lmiter_iterkeysnext(PyObject *o)
{
	size_t pl;
	line *l = lmiter_nextline((lmIter *)o);
	if (!l) {
		return NULL;
	}
	pl = pathlen(l);
	return PyString_FromStringAndSize(l->start, pl);
}

static PyTypeObject lazymanifestKeysIterator = {
	PyObject_HEAD_INIT(NULL)
	0,                               /*ob_size */
	"parsers.lazymanifest.keysiterator", /*tp_name */
	sizeof(lmIter),                  /*tp_basicsize */
	0,                               /*tp_itemsize */
	lmiter_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 */
	/* tp_flags: Py_TPFLAGS_HAVE_ITER tells python to
	   use tp_iter and tp_iternext fields. */
	Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_ITER,
	"Keys iterator for a lazymanifest.",  /* tp_doc */
	0,                               /* tp_traverse */
	0,                               /* tp_clear */
	0,                               /* tp_richcompare */
	0,                               /* tp_weaklistoffset */
	PyObject_SelfIter,               /* tp_iter: __iter__() method */
	lmiter_iterkeysnext,             /* tp_iternext: next() method */
};

static lazymanifest *lazymanifest_copy(lazymanifest *self);

static PyObject *lazymanifest_getiter(lazymanifest *self)
{
	lmIter *i = NULL;

	if (!t) {
		PyErr_NoMemory();
		return NULL;
	}
	i = PyObject_New(lmIter, &lazymanifestIterator);
	if (i) {
		i->m = t;
		i->pos = -1;
	} else {
		Py_DECREF(t);
		PyErr_NoMemory();
	}
	return (PyObject *)i;
}

static PyObject *lazymanifest_getkeysiter(lazymanifest *self)
{
	lmIter *i = NULL;
	lazymanifest *t = lazymanifest_copy(self);
	if (!t) {
		PyErr_NoMemory();
		return NULL;
	}
	i = PyObject_New(lmIter, &lazymanifestKeysIterator);
	if (i) {
		i->m = t;
		i->pos = -1;
	} else {
		Py_DECREF(t);

	Py_XDECREF(emptyTup);
	return NULL;
}

static PyMethodDef lazymanifest_methods[] = {
	{"iterkeys", (PyCFunction)lazymanifest_getkeysiter, METH_NOARGS,
	 "Iterate over file names in this lazymanifest."},
	{"copy", (PyCFunction)lazymanifest_copy, METH_NOARGS,
	 "Make a copy of this lazymanifest."},
	{"filtercopy", (PyCFunction)lazymanifest_filtercopy, METH_O,
	 "Make a copy of this manifest filtered by matchfn."},
	{"diff", (PyCFunction)lazymanifest_diff, METH_VARARGS,