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Added a callback event when the scan is complete. #6

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Added a callback event when the scan is complete. #6

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22 changes: 16 additions & 6 deletions src/hyperscanmodule.c
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Original file line number Diff line number Diff line change
Expand Up @@ -254,12 +254,13 @@ static PyObject* Database_scan(Database *self, PyObject *args, PyObject *kwds) {
unsigned int flags = 0;
PyObject *ocallback = Py_None,
*oscratch = Py_None,
*octx = Py_None;
*octx = Py_None,
*finishcallback = Py_None;
static char *kwlist[] = {"data", "match_event_handler", "flags", "context",
"scratch", NULL};
if (!PyArg_ParseTupleAndKeywords(args, kwds, "s#|OIOO", kwlist,
"scratch", "finish_event_handler", NULL};
if (!PyArg_ParseTupleAndKeywords(args, kwds, "s#|OIOOO", kwlist,
&data, &length, &ocallback, &flags,
&octx, &oscratch))
&octx, &oscratch, &finishcallback))
return NULL;
py_scan_callback_ctx cctx = {ocallback, octx};
Py_BEGIN_ALLOW_THREADS
Expand All @@ -273,6 +274,14 @@ static PyObject* Database_scan(Database *self, PyObject *args, PyObject *kwds) {
ocallback == Py_None ? NULL : match_handler,
ocallback == Py_None ? NULL : (void*)&cctx
);
if (err == HS_SUCCESS) {
if (finishcallback != Py_None) {
PyGILState_STATE gstate;
gstate = PyGILState_Ensure();
PyObject_CallFunctionObjArgs(finishcallback, NULL);
PyGILState_Release(gstate);
}
}
HANDLE_HYPERSCAN_ERR(err, NULL);
Py_END_ALLOW_THREADS
Py_RETURN_NONE;
Expand Down Expand Up @@ -329,7 +338,7 @@ static PyMethodDef Database_methods[] = {
" Returns:\n"
" int: The size of the database in bytes.\n\n"},
{"scan", (PyCFunction)Database_scan, METH_VARARGS|METH_KEYWORDS,
"scan(data, match_event_handler, flags=0, context=None, scratch=None)\n\n"
"scan(data, match_event_handler, flags=0, context=None, scratch=None, finish_event_handler=None)\n\n"
" Scans a block of text.\n\n"
" Args:\n"
" data (:obj:`str`): The block of text to scan.\n"
Expand All @@ -339,7 +348,8 @@ static PyMethodDef Database_methods[] = {
" flags (:obj:`int`): Currently unused.\n"
" context (:obj:`object`): A context object passed as the last arg\n"
" to **match_event_handler**.\n"
" scratch (:class:`~.Scratch`): A scratch object.\n\n"},
" scratch (:class:`~.Scratch`): A scratch object.\n"
" finish_event_handler (callable): Called when scan is finished\n\n"},
{"stream", (PyCFunction)Database_stream, METH_VARARGS|METH_KEYWORDS,
"stream(flags=0, match_event_handler=None, context=None)\n\n"
" Returns a new stream context manager.\n\n"
Expand Down