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GH-92123: Store _elementtree state in type contexts #101190

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Merged
erlend-aasland merged 2 commits into from
Jan 23, 2023
Merged

GH-92123: Store _elementtree state in type contexts #101190

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dd92ea2
Store state in TreeBuilderObject context
erlend-aasland Jan 20, 2023
4f0f2ff
Store state in XMLParserObject context
erlend-aasland Jan 20, 2023
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Store state in XMLParserObject context
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@erlend-aasland
erlend-aasland committed Jan 22, 2023
commit 4f0f2ffd649270a3fbfd71f85345994e9bd41d36
30 changes: 16 additions & 14 deletions Modules/_elementtree.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2367,7 +2367,7 @@ _elementtree_TreeBuilder___init___impl(TreeBuilderObject *self,
}

if (pi_factory == Py_None) {
elementtreestate *st = ET_STATE_GLOBAL;
elementtreestate *st = self->state;
pi_factory = st->pi_factory;
}
if (pi_factory) {
Expand Down Expand Up @@ -2998,6 +2998,7 @@ typedef struct {

PyObject *handle_close;

elementtreestate *state;
} XMLParserObject;

/* helpers */
Expand Down Expand Up @@ -3143,7 +3144,7 @@ expat_default_handler(XMLParserObject* self, const XML_Char* data_in,
value = PyDict_GetItemWithError(self->entity, key);

if (value) {
elementtreestate *st = ET_STATE_GLOBAL;
elementtreestate *st = self->state;
if (TreeBuilder_CheckExact(st, self->target))
res = treebuilder_handle_data(
(TreeBuilderObject*) self->target, value
Expand Down Expand Up @@ -3216,7 +3217,7 @@ expat_start_handler(XMLParserObject* self, const XML_Char* tag_in,
attrib = NULL;
}

elementtreestate *st = ET_STATE_GLOBAL;
elementtreestate *st = self->state;
if (TreeBuilder_CheckExact(st, self->target)) {
/* shortcut */
res = treebuilder_handle_start((TreeBuilderObject*) self->target,
Expand Down Expand Up @@ -3255,7 +3256,7 @@ expat_data_handler(XMLParserObject* self, const XML_Char* data_in,
if (!data)
return; /* parser will look for errors */

elementtreestate *st = ET_STATE_GLOBAL;
elementtreestate *st = self->state;
if (TreeBuilder_CheckExact(st, self->target))
/* shortcut */
res = treebuilder_handle_data((TreeBuilderObject*) self->target, data);
Expand All @@ -3278,7 +3279,7 @@ expat_end_handler(XMLParserObject* self, const XML_Char* tag_in)
if (PyErr_Occurred())
return;

elementtreestate *st = ET_STATE_GLOBAL;
elementtreestate *st = self->state;
if (TreeBuilder_CheckExact(st, self->target))
/* shortcut */
/* the standard tree builder doesn't look at the end tag */
Expand Down Expand Up @@ -3313,7 +3314,7 @@ expat_start_ns_handler(XMLParserObject* self, const XML_Char* prefix_in,
if (!prefix_in)
prefix_in = "";

elementtreestate *st = ET_STATE_GLOBAL;
elementtreestate *st = self->state;
if (TreeBuilder_CheckExact(st, self->target)) {
/* shortcut - TreeBuilder does not actually implement .start_ns() */
TreeBuilderObject *target = (TreeBuilderObject*) self->target;
Expand Down Expand Up @@ -3364,7 +3365,7 @@ expat_end_ns_handler(XMLParserObject* self, const XML_Char* prefix_in)
if (!prefix_in)
prefix_in = "";

elementtreestate *st = ET_STATE_GLOBAL;
elementtreestate *st = self->state;
if (TreeBuilder_CheckExact(st, self->target)) {
/* shortcut - TreeBuilder does not actually implement .end_ns() */
TreeBuilderObject *target = (TreeBuilderObject*) self->target;
Expand Down Expand Up @@ -3393,7 +3394,7 @@ expat_comment_handler(XMLParserObject* self, const XML_Char* comment_in)
if (PyErr_Occurred())
return;

elementtreestate *st = ET_STATE_GLOBAL;
elementtreestate *st = self->state;
if (TreeBuilder_CheckExact(st, self->target)) {
/* shortcut */
TreeBuilderObject *target = (TreeBuilderObject*) self->target;
Expand Down Expand Up @@ -3454,7 +3455,7 @@ expat_start_doctype_handler(XMLParserObject *self,
pubid_obj = Py_NewRef(Py_None);
}

elementtreestate *st = ET_STATE_GLOBAL;
elementtreestate *st = self->state;
/* If the target has a handler for doctype, call it. */
if (self->handle_doctype) {
res = PyObject_CallFunctionObjArgs(self->handle_doctype,
Expand Down Expand Up @@ -3487,7 +3488,7 @@ expat_pi_handler(XMLParserObject* self, const XML_Char* target_in,
if (PyErr_Occurred())
return;

elementtreestate *st = ET_STATE_GLOBAL;
elementtreestate *st = self->state;
if (TreeBuilder_CheckExact(st, self->target)) {
/* shortcut */
TreeBuilderObject *target = (TreeBuilderObject*) self->target;
Expand Down Expand Up @@ -3540,6 +3541,7 @@ xmlparser_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
self->handle_start = self->handle_data = self->handle_end = NULL;
self->handle_comment = self->handle_pi = self->handle_close = NULL;
self->handle_doctype = NULL;
self->state = ET_STATE_GLOBAL;
}
return (PyObject *)self;
}
Expand Down Expand Up @@ -3596,7 +3598,7 @@ _elementtree_XMLParser___init___impl(XMLParserObject *self, PyObject *target,
if (target != Py_None) {
Py_INCREF(target);
} else {
elementtreestate *st = ET_STATE_GLOBAL;
elementtreestate *st = self->state;
target = treebuilder_new(st->TreeBuilder_Type, NULL, NULL);
if (!target) {
Py_CLEAR(self->entity);
Expand Down Expand Up @@ -3798,7 +3800,7 @@ _elementtree_XMLParser_close_impl(XMLParserObject *self)
if (!res)
return NULL;

elementtreestate *st = ET_STATE_GLOBAL;
elementtreestate *st = self->state;
if (TreeBuilder_CheckExact(st, self->target)) {
Py_DECREF(res);
return treebuilder_done((TreeBuilderObject*) self->target);
Expand Down Expand Up @@ -3938,7 +3940,7 @@ _elementtree_XMLParser__parse_whole(XMLParserObject *self, PyObject *file)

res = expat_parse(self, "", 0, 1);

elementtreestate *st = ET_STATE_GLOBAL;
elementtreestate *st = self->state;
if (res && TreeBuilder_CheckExact(st, self->target)) {
Py_DECREF(res);
return treebuilder_done((TreeBuilderObject*) self->target);
Expand Down Expand Up @@ -3970,7 +3972,7 @@ _elementtree_XMLParser__setevents_impl(XMLParserObject *self,
if (!_check_xmlparser(self)) {
return NULL;
}
elementtreestate *st = ET_STATE_GLOBAL;
elementtreestate *st = self->state;
if (!TreeBuilder_CheckExact(st, self->target)) {
PyErr_SetString(
PyExc_TypeError,
Expand Down