Eli Bendersky | bf05df2 | 2013-04-20 05:44:01 -0700 | [diff] [blame] | 1 | /*-------------------------------------------------------------------- |
| 2 | * Licensed to PSF under a Contributor Agreement. |
| 3 | * See http://www.python.org/psf/license for licensing details. |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 4 | * |
Eli Bendersky | bf05df2 | 2013-04-20 05:44:01 -0700 | [diff] [blame] | 5 | * _elementtree - C accelerator for xml.etree.ElementTree |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 6 | * Copyright (c) 1999-2009 by Secret Labs AB. All rights reserved. |
| 7 | * Copyright (c) 1999-2009 by Fredrik Lundh. |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 8 | * |
| 9 | * info@pythonware.com |
| 10 | * http://www.pythonware.com |
Eli Bendersky | bf05df2 | 2013-04-20 05:44:01 -0700 | [diff] [blame] | 11 | *-------------------------------------------------------------------- |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 12 | */ |
| 13 | |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 14 | #define PY_SSIZE_T_CLEAN |
| 15 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 16 | #include "Python.h" |
Eli Bendersky | ebf37a2 | 2012-04-03 22:02:37 +0300 | [diff] [blame] | 17 | #include "structmember.h" |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 18 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 19 | /* -------------------------------------------------------------------- */ |
| 20 | /* configuration */ |
| 21 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 22 | /* An element can hold this many children without extra memory |
| 23 | allocations. */ |
| 24 | #define STATIC_CHILDREN 4 |
| 25 | |
| 26 | /* For best performance, chose a value so that 80-90% of all nodes |
| 27 | have no more than the given number of children. Set this to zero |
| 28 | to minimize the size of the element structure itself (this only |
| 29 | helps if you have lots of leaf nodes with attributes). */ |
| 30 | |
| 31 | /* Also note that pymalloc always allocates blocks in multiples of |
Florent Xicluna | a72a98f | 2012-02-13 11:03:30 +0100 | [diff] [blame] | 32 | eight bytes. For the current C version of ElementTree, this means |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 33 | that the number of children should be an even number, at least on |
| 34 | 32-bit platforms. */ |
| 35 | |
| 36 | /* -------------------------------------------------------------------- */ |
| 37 | |
| 38 | #if 0 |
| 39 | static int memory = 0; |
| 40 | #define ALLOC(size, comment)\ |
| 41 | do { memory += size; printf("%8d - %s\n", memory, comment); } while (0) |
| 42 | #define RELEASE(size, comment)\ |
| 43 | do { memory -= size; printf("%8d - %s\n", memory, comment); } while (0) |
| 44 | #else |
| 45 | #define ALLOC(size, comment) |
| 46 | #define RELEASE(size, comment) |
| 47 | #endif |
| 48 | |
| 49 | /* compiler tweaks */ |
| 50 | #if defined(_MSC_VER) |
| 51 | #define LOCAL(type) static __inline type __fastcall |
| 52 | #else |
| 53 | #define LOCAL(type) static type |
| 54 | #endif |
| 55 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 56 | /* macros used to store 'join' flags in string object pointers. note |
| 57 | that all use of text and tail as object pointers must be wrapped in |
| 58 | JOIN_OBJ. see comments in the ElementObject definition for more |
| 59 | info. */ |
Benjamin Peterson | ca47063 | 2016-09-06 13:47:26 -0700 | [diff] [blame] | 60 | #define JOIN_GET(p) ((uintptr_t) (p) & 1) |
| 61 | #define JOIN_SET(p, flag) ((void*) ((uintptr_t) (JOIN_OBJ(p)) | (flag))) |
| 62 | #define JOIN_OBJ(p) ((PyObject*) ((uintptr_t) (p) & ~(uintptr_t)1)) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 63 | |
Oren Milman | 39ecb9c | 2017-10-10 23:26:24 +0300 | [diff] [blame] | 64 | /* Py_SETREF for a PyObject* that uses a join flag. */ |
| 65 | Py_LOCAL_INLINE(void) |
| 66 | _set_joined_ptr(PyObject **p, PyObject *new_joined_ptr) |
| 67 | { |
| 68 | PyObject *tmp = JOIN_OBJ(*p); |
| 69 | *p = new_joined_ptr; |
| 70 | Py_DECREF(tmp); |
| 71 | } |
| 72 | |
Eli Bendersky | dd3661e | 2013-09-13 06:24:25 -0700 | [diff] [blame] | 73 | /* Py_CLEAR for a PyObject* that uses a join flag. Pass the pointer by |
| 74 | * reference since this function sets it to NULL. |
| 75 | */ |
doko@ubuntu.com | 0648bf7 | 2013-09-18 12:12:28 +0200 | [diff] [blame] | 76 | static void _clear_joined_ptr(PyObject **p) |
Eli Bendersky | dd3661e | 2013-09-13 06:24:25 -0700 | [diff] [blame] | 77 | { |
| 78 | if (*p) { |
Oren Milman | 39ecb9c | 2017-10-10 23:26:24 +0300 | [diff] [blame] | 79 | _set_joined_ptr(p, NULL); |
Eli Bendersky | dd3661e | 2013-09-13 06:24:25 -0700 | [diff] [blame] | 80 | } |
| 81 | } |
| 82 | |
Ronald Oussoren | 138d080 | 2013-07-19 11:11:25 +0200 | [diff] [blame] | 83 | /* Types defined by this extension */ |
| 84 | static PyTypeObject Element_Type; |
| 85 | static PyTypeObject ElementIter_Type; |
| 86 | static PyTypeObject TreeBuilder_Type; |
| 87 | static PyTypeObject XMLParser_Type; |
| 88 | |
| 89 | |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 90 | /* Per-module state; PEP 3121 */ |
| 91 | typedef struct { |
| 92 | PyObject *parseerror_obj; |
| 93 | PyObject *deepcopy_obj; |
| 94 | PyObject *elementpath_obj; |
| 95 | } elementtreestate; |
| 96 | |
| 97 | static struct PyModuleDef elementtreemodule; |
| 98 | |
| 99 | /* Given a module object (assumed to be _elementtree), get its per-module |
| 100 | * state. |
| 101 | */ |
| 102 | #define ET_STATE(mod) ((elementtreestate *) PyModule_GetState(mod)) |
| 103 | |
| 104 | /* Find the module instance imported in the currently running sub-interpreter |
| 105 | * and get its state. |
| 106 | */ |
| 107 | #define ET_STATE_GLOBAL \ |
| 108 | ((elementtreestate *) PyModule_GetState(PyState_FindModule(&elementtreemodule))) |
| 109 | |
| 110 | static int |
| 111 | elementtree_clear(PyObject *m) |
| 112 | { |
| 113 | elementtreestate *st = ET_STATE(m); |
| 114 | Py_CLEAR(st->parseerror_obj); |
| 115 | Py_CLEAR(st->deepcopy_obj); |
| 116 | Py_CLEAR(st->elementpath_obj); |
| 117 | return 0; |
| 118 | } |
| 119 | |
| 120 | static int |
| 121 | elementtree_traverse(PyObject *m, visitproc visit, void *arg) |
| 122 | { |
| 123 | elementtreestate *st = ET_STATE(m); |
| 124 | Py_VISIT(st->parseerror_obj); |
| 125 | Py_VISIT(st->deepcopy_obj); |
| 126 | Py_VISIT(st->elementpath_obj); |
| 127 | return 0; |
| 128 | } |
| 129 | |
| 130 | static void |
| 131 | elementtree_free(void *m) |
| 132 | { |
| 133 | elementtree_clear((PyObject *)m); |
| 134 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 135 | |
| 136 | /* helpers */ |
| 137 | |
| 138 | LOCAL(PyObject*) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 139 | list_join(PyObject* list) |
| 140 | { |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 141 | /* join list elements */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 142 | PyObject* joiner; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 143 | PyObject* result; |
| 144 | |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 145 | joiner = PyUnicode_FromStringAndSize("", 0); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 146 | if (!joiner) |
| 147 | return NULL; |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 148 | result = PyUnicode_Join(joiner, list); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 149 | Py_DECREF(joiner); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 150 | return result; |
| 151 | } |
| 152 | |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 153 | /* Is the given object an empty dictionary? |
| 154 | */ |
| 155 | static int |
| 156 | is_empty_dict(PyObject *obj) |
| 157 | { |
Serhiy Storchaka | 5ab81d7 | 2016-12-16 16:18:57 +0200 | [diff] [blame] | 158 | return PyDict_CheckExact(obj) && PyDict_GET_SIZE(obj) == 0; |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 159 | } |
| 160 | |
| 161 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 162 | /* -------------------------------------------------------------------- */ |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 163 | /* the Element type */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 164 | |
| 165 | typedef struct { |
| 166 | |
| 167 | /* attributes (a dictionary object), or None if no attributes */ |
| 168 | PyObject* attrib; |
| 169 | |
| 170 | /* child elements */ |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 171 | Py_ssize_t length; /* actual number of items */ |
| 172 | Py_ssize_t allocated; /* allocated items */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 173 | |
| 174 | /* this either points to _children or to a malloced buffer */ |
| 175 | PyObject* *children; |
| 176 | |
| 177 | PyObject* _children[STATIC_CHILDREN]; |
Victor Stinner | bfc7bf0 | 2011-03-21 13:23:42 +0100 | [diff] [blame] | 178 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 179 | } ElementObjectExtra; |
| 180 | |
| 181 | typedef struct { |
| 182 | PyObject_HEAD |
| 183 | |
| 184 | /* element tag (a string). */ |
| 185 | PyObject* tag; |
| 186 | |
| 187 | /* text before first child. note that this is a tagged pointer; |
| 188 | use JOIN_OBJ to get the object pointer. the join flag is used |
| 189 | to distinguish lists created by the tree builder from lists |
| 190 | assigned to the attribute by application code; the former |
| 191 | should be joined before being returned to the user, the latter |
| 192 | should be left intact. */ |
| 193 | PyObject* text; |
| 194 | |
| 195 | /* text after this element, in parent. note that this is a tagged |
| 196 | pointer; use JOIN_OBJ to get the object pointer. */ |
| 197 | PyObject* tail; |
| 198 | |
| 199 | ElementObjectExtra* extra; |
| 200 | |
Eli Bendersky | ebf37a2 | 2012-04-03 22:02:37 +0300 | [diff] [blame] | 201 | PyObject *weakreflist; /* For tp_weaklistoffset */ |
| 202 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 203 | } ElementObject; |
| 204 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 205 | |
Christian Heimes | 90aa764 | 2007-12-19 02:45:37 +0000 | [diff] [blame] | 206 | #define Element_CheckExact(op) (Py_TYPE(op) == &Element_Type) |
Serhiy Storchaka | b11c566 | 2018-10-14 10:32:19 +0300 | [diff] [blame] | 207 | #define Element_Check(op) PyObject_TypeCheck(op, &Element_Type) |
| 208 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 209 | |
| 210 | /* -------------------------------------------------------------------- */ |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 211 | /* Element constructors and destructor */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 212 | |
| 213 | LOCAL(int) |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 214 | create_extra(ElementObject* self, PyObject* attrib) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 215 | { |
| 216 | self->extra = PyObject_Malloc(sizeof(ElementObjectExtra)); |
Victor Stinner | 81aac73 | 2013-07-12 02:03:34 +0200 | [diff] [blame] | 217 | if (!self->extra) { |
| 218 | PyErr_NoMemory(); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 219 | return -1; |
Victor Stinner | 81aac73 | 2013-07-12 02:03:34 +0200 | [diff] [blame] | 220 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 221 | |
| 222 | if (!attrib) |
| 223 | attrib = Py_None; |
| 224 | |
| 225 | Py_INCREF(attrib); |
| 226 | self->extra->attrib = attrib; |
| 227 | |
| 228 | self->extra->length = 0; |
| 229 | self->extra->allocated = STATIC_CHILDREN; |
| 230 | self->extra->children = self->extra->_children; |
| 231 | |
| 232 | return 0; |
| 233 | } |
| 234 | |
| 235 | LOCAL(void) |
Serhiy Storchaka | 6f906b3 | 2018-10-18 09:49:54 +0300 | [diff] [blame] | 236 | dealloc_extra(ElementObjectExtra *extra) |
| 237 | { |
| 238 | Py_ssize_t i; |
| 239 | |
| 240 | if (!extra) |
| 241 | return; |
| 242 | |
| 243 | Py_DECREF(extra->attrib); |
| 244 | |
| 245 | for (i = 0; i < extra->length; i++) |
| 246 | Py_DECREF(extra->children[i]); |
| 247 | |
| 248 | if (extra->children != extra->_children) |
| 249 | PyObject_Free(extra->children); |
| 250 | |
| 251 | PyObject_Free(extra); |
| 252 | } |
| 253 | |
| 254 | LOCAL(void) |
| 255 | clear_extra(ElementObject* self) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 256 | { |
Eli Bendersky | 08b8529 | 2012-04-04 15:55:07 +0300 | [diff] [blame] | 257 | ElementObjectExtra *myextra; |
Eli Bendersky | 08b8529 | 2012-04-04 15:55:07 +0300 | [diff] [blame] | 258 | |
Eli Bendersky | ebf37a2 | 2012-04-03 22:02:37 +0300 | [diff] [blame] | 259 | if (!self->extra) |
| 260 | return; |
| 261 | |
| 262 | /* Avoid DECREFs calling into this code again (cycles, etc.) |
| 263 | */ |
Eli Bendersky | 08b8529 | 2012-04-04 15:55:07 +0300 | [diff] [blame] | 264 | myextra = self->extra; |
Eli Bendersky | ebf37a2 | 2012-04-03 22:02:37 +0300 | [diff] [blame] | 265 | self->extra = NULL; |
| 266 | |
Serhiy Storchaka | 6f906b3 | 2018-10-18 09:49:54 +0300 | [diff] [blame] | 267 | dealloc_extra(myextra); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 268 | } |
| 269 | |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 270 | /* Convenience internal function to create new Element objects with the given |
| 271 | * tag and attributes. |
| 272 | */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 273 | LOCAL(PyObject*) |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 274 | create_new_element(PyObject* tag, PyObject* attrib) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 275 | { |
| 276 | ElementObject* self; |
| 277 | |
Eli Bendersky | 0192ba3 | 2012-03-30 16:38:33 +0300 | [diff] [blame] | 278 | self = PyObject_GC_New(ElementObject, &Element_Type); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 279 | if (self == NULL) |
| 280 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 281 | self->extra = NULL; |
| 282 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 283 | Py_INCREF(tag); |
| 284 | self->tag = tag; |
| 285 | |
| 286 | Py_INCREF(Py_None); |
| 287 | self->text = Py_None; |
| 288 | |
| 289 | Py_INCREF(Py_None); |
| 290 | self->tail = Py_None; |
| 291 | |
Eli Bendersky | ebf37a2 | 2012-04-03 22:02:37 +0300 | [diff] [blame] | 292 | self->weakreflist = NULL; |
| 293 | |
Victor Stinner | d917dcb | 2013-07-12 02:05:17 +0200 | [diff] [blame] | 294 | ALLOC(sizeof(ElementObject), "create element"); |
| 295 | PyObject_GC_Track(self); |
| 296 | |
Victor Stinner | 71c8b7e | 2013-07-11 23:08:39 +0200 | [diff] [blame] | 297 | if (attrib != Py_None && !is_empty_dict(attrib)) { |
| 298 | if (create_extra(self, attrib) < 0) { |
Victor Stinner | d917dcb | 2013-07-12 02:05:17 +0200 | [diff] [blame] | 299 | Py_DECREF(self); |
Victor Stinner | 71c8b7e | 2013-07-11 23:08:39 +0200 | [diff] [blame] | 300 | return NULL; |
| 301 | } |
| 302 | } |
| 303 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 304 | return (PyObject*) self; |
| 305 | } |
| 306 | |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 307 | static PyObject * |
| 308 | element_new(PyTypeObject *type, PyObject *args, PyObject *kwds) |
| 309 | { |
| 310 | ElementObject *e = (ElementObject *)type->tp_alloc(type, 0); |
| 311 | if (e != NULL) { |
| 312 | Py_INCREF(Py_None); |
| 313 | e->tag = Py_None; |
| 314 | |
| 315 | Py_INCREF(Py_None); |
| 316 | e->text = Py_None; |
| 317 | |
| 318 | Py_INCREF(Py_None); |
| 319 | e->tail = Py_None; |
| 320 | |
| 321 | e->extra = NULL; |
Eli Bendersky | ebf37a2 | 2012-04-03 22:02:37 +0300 | [diff] [blame] | 322 | e->weakreflist = NULL; |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 323 | } |
| 324 | return (PyObject *)e; |
| 325 | } |
| 326 | |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 327 | /* Helper function for extracting the attrib dictionary from a keywords dict. |
| 328 | * This is required by some constructors/functions in this module that can |
Eli Bendersky | 4583990 | 2013-01-13 05:14:47 -0800 | [diff] [blame] | 329 | * either accept attrib as a keyword argument or all attributes splashed |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 330 | * directly into *kwds. |
Eli Bendersky | d4cb4b7 | 2013-04-22 05:25:25 -0700 | [diff] [blame] | 331 | * |
| 332 | * Return a dictionary with the content of kwds merged into the content of |
| 333 | * attrib. If there is no attrib keyword, return a copy of kwds. |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 334 | */ |
| 335 | static PyObject* |
| 336 | get_attrib_from_keywords(PyObject *kwds) |
| 337 | { |
Eli Bendersky | 45f3d2f | 2013-04-24 05:34:07 -0700 | [diff] [blame] | 338 | PyObject *attrib_str = PyUnicode_FromString("attrib"); |
Zackery Spytz | 9f3ed3e | 2018-10-23 13:28:06 -0600 | [diff] [blame] | 339 | if (attrib_str == NULL) { |
| 340 | return NULL; |
| 341 | } |
Eli Bendersky | 45f3d2f | 2013-04-24 05:34:07 -0700 | [diff] [blame] | 342 | PyObject *attrib = PyDict_GetItem(kwds, attrib_str); |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 343 | |
| 344 | if (attrib) { |
| 345 | /* If attrib was found in kwds, copy its value and remove it from |
| 346 | * kwds |
| 347 | */ |
| 348 | if (!PyDict_Check(attrib)) { |
Eli Bendersky | 45f3d2f | 2013-04-24 05:34:07 -0700 | [diff] [blame] | 349 | Py_DECREF(attrib_str); |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 350 | PyErr_Format(PyExc_TypeError, "attrib must be dict, not %.100s", |
| 351 | Py_TYPE(attrib)->tp_name); |
| 352 | return NULL; |
| 353 | } |
| 354 | attrib = PyDict_Copy(attrib); |
Serhiy Storchaka | 8905fcc | 2018-12-11 08:38:03 +0200 | [diff] [blame] | 355 | if (attrib && PyDict_DelItem(kwds, attrib_str) < 0) { |
| 356 | Py_DECREF(attrib); |
| 357 | attrib = NULL; |
| 358 | } |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 359 | } else { |
| 360 | attrib = PyDict_New(); |
| 361 | } |
Eli Bendersky | 45f3d2f | 2013-04-24 05:34:07 -0700 | [diff] [blame] | 362 | |
| 363 | Py_DECREF(attrib_str); |
| 364 | |
Zackery Spytz | 9f3ed3e | 2018-10-23 13:28:06 -0600 | [diff] [blame] | 365 | if (attrib != NULL && PyDict_Update(attrib, kwds) < 0) { |
| 366 | Py_DECREF(attrib); |
| 367 | return NULL; |
| 368 | } |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 369 | return attrib; |
| 370 | } |
| 371 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 372 | /*[clinic input] |
| 373 | module _elementtree |
| 374 | class _elementtree.Element "ElementObject *" "&Element_Type" |
| 375 | class _elementtree.TreeBuilder "TreeBuilderObject *" "&TreeBuilder_Type" |
| 376 | class _elementtree.XMLParser "XMLParserObject *" "&XMLParser_Type" |
| 377 | [clinic start generated code]*/ |
| 378 | /*[clinic end generated code: output=da39a3ee5e6b4b0d input=159aa50a54061c22]*/ |
| 379 | |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 380 | static int |
| 381 | element_init(PyObject *self, PyObject *args, PyObject *kwds) |
| 382 | { |
| 383 | PyObject *tag; |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 384 | PyObject *attrib = NULL; |
| 385 | ElementObject *self_elem; |
| 386 | |
| 387 | if (!PyArg_ParseTuple(args, "O|O!:Element", &tag, &PyDict_Type, &attrib)) |
| 388 | return -1; |
| 389 | |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 390 | if (attrib) { |
| 391 | /* attrib passed as positional arg */ |
| 392 | attrib = PyDict_Copy(attrib); |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 393 | if (!attrib) |
| 394 | return -1; |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 395 | if (kwds) { |
| 396 | if (PyDict_Update(attrib, kwds) < 0) { |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 397 | Py_DECREF(attrib); |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 398 | return -1; |
| 399 | } |
| 400 | } |
| 401 | } else if (kwds) { |
| 402 | /* have keywords args */ |
| 403 | attrib = get_attrib_from_keywords(kwds); |
| 404 | if (!attrib) |
| 405 | return -1; |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 406 | } |
| 407 | |
| 408 | self_elem = (ElementObject *)self; |
| 409 | |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 410 | if (attrib != NULL && !is_empty_dict(attrib)) { |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 411 | if (create_extra(self_elem, attrib) < 0) { |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 412 | Py_DECREF(attrib); |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 413 | return -1; |
| 414 | } |
| 415 | } |
| 416 | |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 417 | /* We own a reference to attrib here and it's no longer needed. */ |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 418 | Py_XDECREF(attrib); |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 419 | |
| 420 | /* Replace the objects already pointed to by tag, text and tail. */ |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 421 | Py_INCREF(tag); |
Serhiy Storchaka | ec39756 | 2016-04-06 09:50:03 +0300 | [diff] [blame] | 422 | Py_XSETREF(self_elem->tag, tag); |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 423 | |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 424 | Py_INCREF(Py_None); |
Oren Milman | 39ecb9c | 2017-10-10 23:26:24 +0300 | [diff] [blame] | 425 | _set_joined_ptr(&self_elem->text, Py_None); |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 426 | |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 427 | Py_INCREF(Py_None); |
Oren Milman | 39ecb9c | 2017-10-10 23:26:24 +0300 | [diff] [blame] | 428 | _set_joined_ptr(&self_elem->tail, Py_None); |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 429 | |
| 430 | return 0; |
| 431 | } |
| 432 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 433 | LOCAL(int) |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 434 | element_resize(ElementObject* self, Py_ssize_t extra) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 435 | { |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 436 | Py_ssize_t size; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 437 | PyObject* *children; |
| 438 | |
Serhiy Storchaka | 6f906b3 | 2018-10-18 09:49:54 +0300 | [diff] [blame] | 439 | assert(extra >= 0); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 440 | /* make sure self->children can hold the given number of extra |
| 441 | elements. set an exception and return -1 if allocation failed */ |
| 442 | |
Victor Stinner | 5f0af23 | 2013-07-11 23:01:36 +0200 | [diff] [blame] | 443 | if (!self->extra) { |
| 444 | if (create_extra(self, NULL) < 0) |
| 445 | return -1; |
| 446 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 447 | |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 448 | size = self->extra->length + extra; /* never overflows */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 449 | |
| 450 | if (size > self->extra->allocated) { |
| 451 | /* use Python 2.4's list growth strategy */ |
| 452 | size = (size >> 3) + (size < 9 ? 3 : 6) + size; |
Christian Heimes | 679db4a | 2008-01-18 09:56:22 +0000 | [diff] [blame] | 453 | /* Coverity CID #182 size_error: Allocating 1 bytes to pointer "children" |
Victor Stinner | bfc7bf0 | 2011-03-21 13:23:42 +0100 | [diff] [blame] | 454 | * which needs at least 4 bytes. |
| 455 | * Although it's a false alarm always assume at least one child to |
Christian Heimes | 679db4a | 2008-01-18 09:56:22 +0000 | [diff] [blame] | 456 | * be safe. |
| 457 | */ |
| 458 | size = size ? size : 1; |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 459 | if ((size_t)size > PY_SSIZE_T_MAX/sizeof(PyObject*)) |
| 460 | goto nomemory; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 461 | if (self->extra->children != self->extra->_children) { |
Christian Heimes | 679db4a | 2008-01-18 09:56:22 +0000 | [diff] [blame] | 462 | /* Coverity CID #182 size_error: Allocating 1 bytes to pointer |
Victor Stinner | bfc7bf0 | 2011-03-21 13:23:42 +0100 | [diff] [blame] | 463 | * "children", which needs at least 4 bytes. Although it's a |
Christian Heimes | 679db4a | 2008-01-18 09:56:22 +0000 | [diff] [blame] | 464 | * false alarm always assume at least one child to be safe. |
| 465 | */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 466 | children = PyObject_Realloc(self->extra->children, |
| 467 | size * sizeof(PyObject*)); |
| 468 | if (!children) |
| 469 | goto nomemory; |
| 470 | } else { |
| 471 | children = PyObject_Malloc(size * sizeof(PyObject*)); |
| 472 | if (!children) |
| 473 | goto nomemory; |
| 474 | /* copy existing children from static area to malloc buffer */ |
| 475 | memcpy(children, self->extra->children, |
| 476 | self->extra->length * sizeof(PyObject*)); |
| 477 | } |
| 478 | self->extra->children = children; |
| 479 | self->extra->allocated = size; |
| 480 | } |
| 481 | |
| 482 | return 0; |
| 483 | |
| 484 | nomemory: |
| 485 | PyErr_NoMemory(); |
| 486 | return -1; |
| 487 | } |
| 488 | |
Serhiy Storchaka | f081fd8 | 2018-10-19 12:12:57 +0300 | [diff] [blame] | 489 | LOCAL(void) |
| 490 | raise_type_error(PyObject *element) |
| 491 | { |
| 492 | PyErr_Format(PyExc_TypeError, |
| 493 | "expected an Element, not \"%.200s\"", |
| 494 | Py_TYPE(element)->tp_name); |
| 495 | } |
| 496 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 497 | LOCAL(int) |
| 498 | element_add_subelement(ElementObject* self, PyObject* element) |
| 499 | { |
| 500 | /* add a child element to a parent */ |
| 501 | |
Serhiy Storchaka | f081fd8 | 2018-10-19 12:12:57 +0300 | [diff] [blame] | 502 | if (!Element_Check(element)) { |
| 503 | raise_type_error(element); |
| 504 | return -1; |
| 505 | } |
| 506 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 507 | if (element_resize(self, 1) < 0) |
| 508 | return -1; |
| 509 | |
| 510 | Py_INCREF(element); |
| 511 | self->extra->children[self->extra->length] = element; |
| 512 | |
| 513 | self->extra->length++; |
| 514 | |
| 515 | return 0; |
| 516 | } |
| 517 | |
| 518 | LOCAL(PyObject*) |
| 519 | element_get_attrib(ElementObject* self) |
| 520 | { |
| 521 | /* return borrowed reference to attrib dictionary */ |
| 522 | /* note: this function assumes that the extra section exists */ |
| 523 | |
| 524 | PyObject* res = self->extra->attrib; |
| 525 | |
| 526 | if (res == Py_None) { |
| 527 | /* create missing dictionary */ |
| 528 | res = PyDict_New(); |
| 529 | if (!res) |
| 530 | return NULL; |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 531 | Py_DECREF(Py_None); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 532 | self->extra->attrib = res; |
| 533 | } |
| 534 | |
| 535 | return res; |
| 536 | } |
| 537 | |
| 538 | LOCAL(PyObject*) |
| 539 | element_get_text(ElementObject* self) |
| 540 | { |
| 541 | /* return borrowed reference to text attribute */ |
| 542 | |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 543 | PyObject *res = self->text; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 544 | |
| 545 | if (JOIN_GET(res)) { |
| 546 | res = JOIN_OBJ(res); |
| 547 | if (PyList_CheckExact(res)) { |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 548 | PyObject *tmp = list_join(res); |
| 549 | if (!tmp) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 550 | return NULL; |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 551 | self->text = tmp; |
| 552 | Py_DECREF(res); |
| 553 | res = tmp; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 554 | } |
| 555 | } |
| 556 | |
| 557 | return res; |
| 558 | } |
| 559 | |
| 560 | LOCAL(PyObject*) |
| 561 | element_get_tail(ElementObject* self) |
| 562 | { |
| 563 | /* return borrowed reference to text attribute */ |
| 564 | |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 565 | PyObject *res = self->tail; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 566 | |
| 567 | if (JOIN_GET(res)) { |
| 568 | res = JOIN_OBJ(res); |
| 569 | if (PyList_CheckExact(res)) { |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 570 | PyObject *tmp = list_join(res); |
| 571 | if (!tmp) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 572 | return NULL; |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 573 | self->tail = tmp; |
| 574 | Py_DECREF(res); |
| 575 | res = tmp; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 576 | } |
| 577 | } |
| 578 | |
| 579 | return res; |
| 580 | } |
| 581 | |
| 582 | static PyObject* |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 583 | subelement(PyObject *self, PyObject *args, PyObject *kwds) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 584 | { |
| 585 | PyObject* elem; |
| 586 | |
| 587 | ElementObject* parent; |
| 588 | PyObject* tag; |
| 589 | PyObject* attrib = NULL; |
| 590 | if (!PyArg_ParseTuple(args, "O!O|O!:SubElement", |
| 591 | &Element_Type, &parent, &tag, |
Eli Bendersky | 163d7f0 | 2013-11-24 06:55:04 -0800 | [diff] [blame] | 592 | &PyDict_Type, &attrib)) { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 593 | return NULL; |
Eli Bendersky | 163d7f0 | 2013-11-24 06:55:04 -0800 | [diff] [blame] | 594 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 595 | |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 596 | if (attrib) { |
| 597 | /* attrib passed as positional arg */ |
| 598 | attrib = PyDict_Copy(attrib); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 599 | if (!attrib) |
| 600 | return NULL; |
Zackery Spytz | 9f3ed3e | 2018-10-23 13:28:06 -0600 | [diff] [blame] | 601 | if (kwds != NULL && PyDict_Update(attrib, kwds) < 0) { |
| 602 | Py_DECREF(attrib); |
| 603 | return NULL; |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 604 | } |
| 605 | } else if (kwds) { |
| 606 | /* have keyword args */ |
| 607 | attrib = get_attrib_from_keywords(kwds); |
| 608 | if (!attrib) |
| 609 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 610 | } else { |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 611 | /* no attrib arg, no kwds, so no attribute */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 612 | Py_INCREF(Py_None); |
| 613 | attrib = Py_None; |
| 614 | } |
| 615 | |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 616 | elem = create_new_element(tag, attrib); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 617 | Py_DECREF(attrib); |
Victor Stinner | 71c8b7e | 2013-07-11 23:08:39 +0200 | [diff] [blame] | 618 | if (elem == NULL) |
| 619 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 620 | |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 621 | if (element_add_subelement(parent, elem) < 0) { |
| 622 | Py_DECREF(elem); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 623 | return NULL; |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 624 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 625 | |
| 626 | return elem; |
| 627 | } |
| 628 | |
Eli Bendersky | 0192ba3 | 2012-03-30 16:38:33 +0300 | [diff] [blame] | 629 | static int |
| 630 | element_gc_traverse(ElementObject *self, visitproc visit, void *arg) |
| 631 | { |
| 632 | Py_VISIT(self->tag); |
| 633 | Py_VISIT(JOIN_OBJ(self->text)); |
| 634 | Py_VISIT(JOIN_OBJ(self->tail)); |
| 635 | |
| 636 | if (self->extra) { |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 637 | Py_ssize_t i; |
Eli Bendersky | 0192ba3 | 2012-03-30 16:38:33 +0300 | [diff] [blame] | 638 | Py_VISIT(self->extra->attrib); |
| 639 | |
| 640 | for (i = 0; i < self->extra->length; ++i) |
| 641 | Py_VISIT(self->extra->children[i]); |
| 642 | } |
| 643 | return 0; |
| 644 | } |
| 645 | |
| 646 | static int |
| 647 | element_gc_clear(ElementObject *self) |
| 648 | { |
Eli Bendersky | 0192ba3 | 2012-03-30 16:38:33 +0300 | [diff] [blame] | 649 | Py_CLEAR(self->tag); |
Eli Bendersky | dd3661e | 2013-09-13 06:24:25 -0700 | [diff] [blame] | 650 | _clear_joined_ptr(&self->text); |
| 651 | _clear_joined_ptr(&self->tail); |
Eli Bendersky | 0192ba3 | 2012-03-30 16:38:33 +0300 | [diff] [blame] | 652 | |
| 653 | /* After dropping all references from extra, it's no longer valid anyway, |
Eli Bendersky | ebf37a2 | 2012-04-03 22:02:37 +0300 | [diff] [blame] | 654 | * so fully deallocate it. |
Eli Bendersky | 0192ba3 | 2012-03-30 16:38:33 +0300 | [diff] [blame] | 655 | */ |
Serhiy Storchaka | 6f906b3 | 2018-10-18 09:49:54 +0300 | [diff] [blame] | 656 | clear_extra(self); |
Eli Bendersky | 0192ba3 | 2012-03-30 16:38:33 +0300 | [diff] [blame] | 657 | return 0; |
| 658 | } |
| 659 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 660 | static void |
| 661 | element_dealloc(ElementObject* self) |
| 662 | { |
INADA Naoki | a6296d3 | 2017-08-24 14:55:17 +0900 | [diff] [blame] | 663 | /* bpo-31095: UnTrack is needed before calling any callbacks */ |
Eli Bendersky | 0192ba3 | 2012-03-30 16:38:33 +0300 | [diff] [blame] | 664 | PyObject_GC_UnTrack(self); |
Serhiy Storchaka | 18f018c | 2016-12-21 12:32:56 +0200 | [diff] [blame] | 665 | Py_TRASHCAN_SAFE_BEGIN(self) |
Eli Bendersky | ebf37a2 | 2012-04-03 22:02:37 +0300 | [diff] [blame] | 666 | |
| 667 | if (self->weakreflist != NULL) |
| 668 | PyObject_ClearWeakRefs((PyObject *) self); |
| 669 | |
Eli Bendersky | 0192ba3 | 2012-03-30 16:38:33 +0300 | [diff] [blame] | 670 | /* element_gc_clear clears all references and deallocates extra |
| 671 | */ |
| 672 | element_gc_clear(self); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 673 | |
| 674 | RELEASE(sizeof(ElementObject), "destroy element"); |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 675 | Py_TYPE(self)->tp_free((PyObject *)self); |
Serhiy Storchaka | 18f018c | 2016-12-21 12:32:56 +0200 | [diff] [blame] | 676 | Py_TRASHCAN_SAFE_END(self) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 677 | } |
| 678 | |
| 679 | /* -------------------------------------------------------------------- */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 680 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 681 | /*[clinic input] |
| 682 | _elementtree.Element.append |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 683 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 684 | subelement: object(subclass_of='&Element_Type') |
| 685 | / |
| 686 | |
| 687 | [clinic start generated code]*/ |
| 688 | |
| 689 | static PyObject * |
| 690 | _elementtree_Element_append_impl(ElementObject *self, PyObject *subelement) |
| 691 | /*[clinic end generated code: output=54a884b7cf2295f4 input=3ed648beb5bfa22a]*/ |
| 692 | { |
| 693 | if (element_add_subelement(self, subelement) < 0) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 694 | return NULL; |
| 695 | |
| 696 | Py_RETURN_NONE; |
| 697 | } |
| 698 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 699 | /*[clinic input] |
| 700 | _elementtree.Element.clear |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 701 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 702 | [clinic start generated code]*/ |
| 703 | |
| 704 | static PyObject * |
| 705 | _elementtree_Element_clear_impl(ElementObject *self) |
| 706 | /*[clinic end generated code: output=8bcd7a51f94cfff6 input=3c719ff94bf45dd6]*/ |
| 707 | { |
Serhiy Storchaka | 6f906b3 | 2018-10-18 09:49:54 +0300 | [diff] [blame] | 708 | clear_extra(self); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 709 | |
| 710 | Py_INCREF(Py_None); |
Oren Milman | 39ecb9c | 2017-10-10 23:26:24 +0300 | [diff] [blame] | 711 | _set_joined_ptr(&self->text, Py_None); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 712 | |
| 713 | Py_INCREF(Py_None); |
Oren Milman | 39ecb9c | 2017-10-10 23:26:24 +0300 | [diff] [blame] | 714 | _set_joined_ptr(&self->tail, Py_None); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 715 | |
| 716 | Py_RETURN_NONE; |
| 717 | } |
| 718 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 719 | /*[clinic input] |
| 720 | _elementtree.Element.__copy__ |
| 721 | |
| 722 | [clinic start generated code]*/ |
| 723 | |
| 724 | static PyObject * |
| 725 | _elementtree_Element___copy___impl(ElementObject *self) |
| 726 | /*[clinic end generated code: output=2c701ebff7247781 input=ad87aaebe95675bf]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 727 | { |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 728 | Py_ssize_t i; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 729 | ElementObject* element; |
| 730 | |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 731 | element = (ElementObject*) create_new_element( |
Eli Bendersky | 163d7f0 | 2013-11-24 06:55:04 -0800 | [diff] [blame] | 732 | self->tag, (self->extra) ? self->extra->attrib : Py_None); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 733 | if (!element) |
| 734 | return NULL; |
| 735 | |
Oren Milman | 39ecb9c | 2017-10-10 23:26:24 +0300 | [diff] [blame] | 736 | Py_INCREF(JOIN_OBJ(self->text)); |
| 737 | _set_joined_ptr(&element->text, self->text); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 738 | |
Oren Milman | 39ecb9c | 2017-10-10 23:26:24 +0300 | [diff] [blame] | 739 | Py_INCREF(JOIN_OBJ(self->tail)); |
| 740 | _set_joined_ptr(&element->tail, self->tail); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 741 | |
Serhiy Storchaka | 6f906b3 | 2018-10-18 09:49:54 +0300 | [diff] [blame] | 742 | assert(!element->extra || !element->extra->length); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 743 | if (self->extra) { |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 744 | if (element_resize(element, self->extra->length) < 0) { |
| 745 | Py_DECREF(element); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 746 | return NULL; |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 747 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 748 | |
| 749 | for (i = 0; i < self->extra->length; i++) { |
| 750 | Py_INCREF(self->extra->children[i]); |
| 751 | element->extra->children[i] = self->extra->children[i]; |
| 752 | } |
| 753 | |
Serhiy Storchaka | 6f906b3 | 2018-10-18 09:49:54 +0300 | [diff] [blame] | 754 | assert(!element->extra->length); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 755 | element->extra->length = self->extra->length; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 756 | } |
| 757 | |
| 758 | return (PyObject*) element; |
| 759 | } |
| 760 | |
Serhiy Storchaka | 060ed71 | 2015-12-21 12:57:27 +0200 | [diff] [blame] | 761 | /* Helper for a deep copy. */ |
| 762 | LOCAL(PyObject *) deepcopy(PyObject *, PyObject *); |
| 763 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 764 | /*[clinic input] |
| 765 | _elementtree.Element.__deepcopy__ |
| 766 | |
Oren Milman | d056818 | 2017-09-12 17:39:15 +0300 | [diff] [blame] | 767 | memo: object(subclass_of="&PyDict_Type") |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 768 | / |
| 769 | |
| 770 | [clinic start generated code]*/ |
| 771 | |
| 772 | static PyObject * |
Oren Milman | d056818 | 2017-09-12 17:39:15 +0300 | [diff] [blame] | 773 | _elementtree_Element___deepcopy___impl(ElementObject *self, PyObject *memo) |
| 774 | /*[clinic end generated code: output=eefc3df50465b642 input=a2d40348c0aade10]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 775 | { |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 776 | Py_ssize_t i; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 777 | ElementObject* element; |
| 778 | PyObject* tag; |
| 779 | PyObject* attrib; |
| 780 | PyObject* text; |
| 781 | PyObject* tail; |
| 782 | PyObject* id; |
| 783 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 784 | tag = deepcopy(self->tag, memo); |
| 785 | if (!tag) |
| 786 | return NULL; |
| 787 | |
| 788 | if (self->extra) { |
| 789 | attrib = deepcopy(self->extra->attrib, memo); |
| 790 | if (!attrib) { |
| 791 | Py_DECREF(tag); |
| 792 | return NULL; |
| 793 | } |
| 794 | } else { |
| 795 | Py_INCREF(Py_None); |
| 796 | attrib = Py_None; |
| 797 | } |
| 798 | |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 799 | element = (ElementObject*) create_new_element(tag, attrib); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 800 | |
| 801 | Py_DECREF(tag); |
| 802 | Py_DECREF(attrib); |
| 803 | |
| 804 | if (!element) |
| 805 | return NULL; |
Victor Stinner | bfc7bf0 | 2011-03-21 13:23:42 +0100 | [diff] [blame] | 806 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 807 | text = deepcopy(JOIN_OBJ(self->text), memo); |
| 808 | if (!text) |
| 809 | goto error; |
Oren Milman | 39ecb9c | 2017-10-10 23:26:24 +0300 | [diff] [blame] | 810 | _set_joined_ptr(&element->text, JOIN_SET(text, JOIN_GET(self->text))); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 811 | |
| 812 | tail = deepcopy(JOIN_OBJ(self->tail), memo); |
| 813 | if (!tail) |
| 814 | goto error; |
Oren Milman | 39ecb9c | 2017-10-10 23:26:24 +0300 | [diff] [blame] | 815 | _set_joined_ptr(&element->tail, JOIN_SET(tail, JOIN_GET(self->tail))); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 816 | |
Serhiy Storchaka | 6f906b3 | 2018-10-18 09:49:54 +0300 | [diff] [blame] | 817 | assert(!element->extra || !element->extra->length); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 818 | if (self->extra) { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 819 | if (element_resize(element, self->extra->length) < 0) |
| 820 | goto error; |
| 821 | |
| 822 | for (i = 0; i < self->extra->length; i++) { |
| 823 | PyObject* child = deepcopy(self->extra->children[i], memo); |
Serhiy Storchaka | f081fd8 | 2018-10-19 12:12:57 +0300 | [diff] [blame] | 824 | if (!child || !Element_Check(child)) { |
| 825 | if (child) { |
| 826 | raise_type_error(child); |
| 827 | Py_DECREF(child); |
| 828 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 829 | element->extra->length = i; |
| 830 | goto error; |
| 831 | } |
| 832 | element->extra->children[i] = child; |
| 833 | } |
| 834 | |
Serhiy Storchaka | 6f906b3 | 2018-10-18 09:49:54 +0300 | [diff] [blame] | 835 | assert(!element->extra->length); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 836 | element->extra->length = self->extra->length; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 837 | } |
| 838 | |
| 839 | /* add object to memo dictionary (so deepcopy won't visit it again) */ |
Benjamin Peterson | ca47063 | 2016-09-06 13:47:26 -0700 | [diff] [blame] | 840 | id = PyLong_FromSsize_t((uintptr_t) self); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 841 | if (!id) |
| 842 | goto error; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 843 | |
| 844 | i = PyDict_SetItem(memo, id, (PyObject*) element); |
| 845 | |
| 846 | Py_DECREF(id); |
| 847 | |
| 848 | if (i < 0) |
| 849 | goto error; |
| 850 | |
| 851 | return (PyObject*) element; |
| 852 | |
| 853 | error: |
| 854 | Py_DECREF(element); |
| 855 | return NULL; |
| 856 | } |
| 857 | |
Serhiy Storchaka | 060ed71 | 2015-12-21 12:57:27 +0200 | [diff] [blame] | 858 | LOCAL(PyObject *) |
| 859 | deepcopy(PyObject *object, PyObject *memo) |
| 860 | { |
| 861 | /* do a deep copy of the given object */ |
Serhiy Storchaka | 060ed71 | 2015-12-21 12:57:27 +0200 | [diff] [blame] | 862 | elementtreestate *st; |
Victor Stinner | 7fbac45 | 2016-08-20 01:34:44 +0200 | [diff] [blame] | 863 | PyObject *stack[2]; |
Serhiy Storchaka | 060ed71 | 2015-12-21 12:57:27 +0200 | [diff] [blame] | 864 | |
| 865 | /* Fast paths */ |
| 866 | if (object == Py_None || PyUnicode_CheckExact(object)) { |
| 867 | Py_INCREF(object); |
| 868 | return object; |
| 869 | } |
| 870 | |
| 871 | if (Py_REFCNT(object) == 1) { |
| 872 | if (PyDict_CheckExact(object)) { |
| 873 | PyObject *key, *value; |
| 874 | Py_ssize_t pos = 0; |
| 875 | int simple = 1; |
| 876 | while (PyDict_Next(object, &pos, &key, &value)) { |
| 877 | if (!PyUnicode_CheckExact(key) || !PyUnicode_CheckExact(value)) { |
| 878 | simple = 0; |
| 879 | break; |
| 880 | } |
| 881 | } |
| 882 | if (simple) |
| 883 | return PyDict_Copy(object); |
| 884 | /* Fall through to general case */ |
| 885 | } |
| 886 | else if (Element_CheckExact(object)) { |
Oren Milman | d056818 | 2017-09-12 17:39:15 +0300 | [diff] [blame] | 887 | return _elementtree_Element___deepcopy___impl( |
| 888 | (ElementObject *)object, memo); |
Serhiy Storchaka | 060ed71 | 2015-12-21 12:57:27 +0200 | [diff] [blame] | 889 | } |
| 890 | } |
| 891 | |
| 892 | /* General case */ |
| 893 | st = ET_STATE_GLOBAL; |
| 894 | if (!st->deepcopy_obj) { |
| 895 | PyErr_SetString(PyExc_RuntimeError, |
| 896 | "deepcopy helper not found"); |
| 897 | return NULL; |
| 898 | } |
| 899 | |
Victor Stinner | 7fbac45 | 2016-08-20 01:34:44 +0200 | [diff] [blame] | 900 | stack[0] = object; |
| 901 | stack[1] = memo; |
Victor Stinner | 559bb6a | 2016-08-22 22:48:54 +0200 | [diff] [blame] | 902 | return _PyObject_FastCall(st->deepcopy_obj, stack, 2); |
Serhiy Storchaka | 060ed71 | 2015-12-21 12:57:27 +0200 | [diff] [blame] | 903 | } |
| 904 | |
| 905 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 906 | /*[clinic input] |
| 907 | _elementtree.Element.__sizeof__ -> Py_ssize_t |
| 908 | |
| 909 | [clinic start generated code]*/ |
| 910 | |
| 911 | static Py_ssize_t |
| 912 | _elementtree_Element___sizeof___impl(ElementObject *self) |
| 913 | /*[clinic end generated code: output=bf73867721008000 input=70f4b323d55a17c1]*/ |
Martin v. Löwis | bce1666 | 2012-06-17 10:41:22 +0200 | [diff] [blame] | 914 | { |
Serhiy Storchaka | 5c4064e | 2015-12-19 20:05:25 +0200 | [diff] [blame] | 915 | Py_ssize_t result = _PyObject_SIZE(Py_TYPE(self)); |
Martin v. Löwis | bce1666 | 2012-06-17 10:41:22 +0200 | [diff] [blame] | 916 | if (self->extra) { |
| 917 | result += sizeof(ElementObjectExtra); |
| 918 | if (self->extra->children != self->extra->_children) |
| 919 | result += sizeof(PyObject*) * self->extra->allocated; |
| 920 | } |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 921 | return result; |
Martin v. Löwis | bce1666 | 2012-06-17 10:41:22 +0200 | [diff] [blame] | 922 | } |
| 923 | |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 924 | /* dict keys for getstate/setstate. */ |
| 925 | #define PICKLED_TAG "tag" |
| 926 | #define PICKLED_CHILDREN "_children" |
| 927 | #define PICKLED_ATTRIB "attrib" |
| 928 | #define PICKLED_TAIL "tail" |
| 929 | #define PICKLED_TEXT "text" |
| 930 | |
| 931 | /* __getstate__ returns a fabricated instance dict as in the pure-Python |
| 932 | * Element implementation, for interoperability/interchangeability. This |
| 933 | * makes the pure-Python implementation details an API, but (a) there aren't |
| 934 | * any unnecessary structures there; and (b) it buys compatibility with 3.2 |
| 935 | * pickles. See issue #16076. |
| 936 | */ |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 937 | /*[clinic input] |
| 938 | _elementtree.Element.__getstate__ |
| 939 | |
| 940 | [clinic start generated code]*/ |
| 941 | |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 942 | static PyObject * |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 943 | _elementtree_Element___getstate___impl(ElementObject *self) |
| 944 | /*[clinic end generated code: output=37279aeeb6bb5b04 input=f0d16d7ec2f7adc1]*/ |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 945 | { |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 946 | Py_ssize_t i, noattrib; |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 947 | PyObject *instancedict = NULL, *children; |
| 948 | |
| 949 | /* Build a list of children. */ |
| 950 | children = PyList_New(self->extra ? self->extra->length : 0); |
| 951 | if (!children) |
| 952 | return NULL; |
| 953 | for (i = 0; i < PyList_GET_SIZE(children); i++) { |
| 954 | PyObject *child = self->extra->children[i]; |
| 955 | Py_INCREF(child); |
| 956 | PyList_SET_ITEM(children, i, child); |
| 957 | } |
| 958 | |
| 959 | /* Construct the state object. */ |
| 960 | noattrib = (self->extra == NULL || self->extra->attrib == Py_None); |
| 961 | if (noattrib) |
| 962 | instancedict = Py_BuildValue("{sOsOs{}sOsO}", |
| 963 | PICKLED_TAG, self->tag, |
| 964 | PICKLED_CHILDREN, children, |
| 965 | PICKLED_ATTRIB, |
Eli Bendersky | dd3661e | 2013-09-13 06:24:25 -0700 | [diff] [blame] | 966 | PICKLED_TEXT, JOIN_OBJ(self->text), |
| 967 | PICKLED_TAIL, JOIN_OBJ(self->tail)); |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 968 | else |
| 969 | instancedict = Py_BuildValue("{sOsOsOsOsO}", |
| 970 | PICKLED_TAG, self->tag, |
| 971 | PICKLED_CHILDREN, children, |
| 972 | PICKLED_ATTRIB, self->extra->attrib, |
Eli Bendersky | dd3661e | 2013-09-13 06:24:25 -0700 | [diff] [blame] | 973 | PICKLED_TEXT, JOIN_OBJ(self->text), |
| 974 | PICKLED_TAIL, JOIN_OBJ(self->tail)); |
Eli Bendersky | b8f6dc8 | 2013-01-12 05:20:16 -0800 | [diff] [blame] | 975 | if (instancedict) { |
| 976 | Py_DECREF(children); |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 977 | return instancedict; |
Eli Bendersky | b8f6dc8 | 2013-01-12 05:20:16 -0800 | [diff] [blame] | 978 | } |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 979 | else { |
| 980 | for (i = 0; i < PyList_GET_SIZE(children); i++) |
| 981 | Py_DECREF(PyList_GET_ITEM(children, i)); |
| 982 | Py_DECREF(children); |
| 983 | |
| 984 | return NULL; |
| 985 | } |
| 986 | } |
| 987 | |
| 988 | static PyObject * |
| 989 | element_setstate_from_attributes(ElementObject *self, |
| 990 | PyObject *tag, |
| 991 | PyObject *attrib, |
| 992 | PyObject *text, |
| 993 | PyObject *tail, |
| 994 | PyObject *children) |
| 995 | { |
| 996 | Py_ssize_t i, nchildren; |
Serhiy Storchaka | 6f906b3 | 2018-10-18 09:49:54 +0300 | [diff] [blame] | 997 | ElementObjectExtra *oldextra = NULL; |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 998 | |
| 999 | if (!tag) { |
| 1000 | PyErr_SetString(PyExc_TypeError, "tag may not be NULL"); |
| 1001 | return NULL; |
| 1002 | } |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1003 | |
Serhiy Storchaka | 191321d | 2015-12-27 15:41:34 +0200 | [diff] [blame] | 1004 | Py_INCREF(tag); |
Serhiy Storchaka | 4884271 | 2016-04-06 09:45:48 +0300 | [diff] [blame] | 1005 | Py_XSETREF(self->tag, tag); |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1006 | |
Oren Milman | 39ecb9c | 2017-10-10 23:26:24 +0300 | [diff] [blame] | 1007 | text = text ? JOIN_SET(text, PyList_CheckExact(text)) : Py_None; |
| 1008 | Py_INCREF(JOIN_OBJ(text)); |
| 1009 | _set_joined_ptr(&self->text, text); |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1010 | |
Oren Milman | 39ecb9c | 2017-10-10 23:26:24 +0300 | [diff] [blame] | 1011 | tail = tail ? JOIN_SET(tail, PyList_CheckExact(tail)) : Py_None; |
| 1012 | Py_INCREF(JOIN_OBJ(tail)); |
| 1013 | _set_joined_ptr(&self->tail, tail); |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1014 | |
| 1015 | /* Handle ATTRIB and CHILDREN. */ |
Serhiy Storchaka | 6f906b3 | 2018-10-18 09:49:54 +0300 | [diff] [blame] | 1016 | if (!children && !attrib) { |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1017 | Py_RETURN_NONE; |
Serhiy Storchaka | 6f906b3 | 2018-10-18 09:49:54 +0300 | [diff] [blame] | 1018 | } |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1019 | |
| 1020 | /* Compute 'nchildren'. */ |
| 1021 | if (children) { |
| 1022 | if (!PyList_Check(children)) { |
| 1023 | PyErr_SetString(PyExc_TypeError, "'_children' is not a list"); |
| 1024 | return NULL; |
| 1025 | } |
Serhiy Storchaka | 6f906b3 | 2018-10-18 09:49:54 +0300 | [diff] [blame] | 1026 | nchildren = PyList_GET_SIZE(children); |
| 1027 | |
| 1028 | /* (Re-)allocate 'extra'. |
| 1029 | Avoid DECREFs calling into this code again (cycles, etc.) |
| 1030 | */ |
| 1031 | oldextra = self->extra; |
| 1032 | self->extra = NULL; |
| 1033 | if (element_resize(self, nchildren)) { |
| 1034 | assert(!self->extra || !self->extra->length); |
| 1035 | clear_extra(self); |
| 1036 | self->extra = oldextra; |
| 1037 | return NULL; |
| 1038 | } |
| 1039 | assert(self->extra); |
| 1040 | assert(self->extra->allocated >= nchildren); |
| 1041 | if (oldextra) { |
| 1042 | assert(self->extra->attrib == Py_None); |
| 1043 | self->extra->attrib = oldextra->attrib; |
| 1044 | oldextra->attrib = Py_None; |
| 1045 | } |
| 1046 | |
| 1047 | /* Copy children */ |
| 1048 | for (i = 0; i < nchildren; i++) { |
Serhiy Storchaka | f081fd8 | 2018-10-19 12:12:57 +0300 | [diff] [blame] | 1049 | PyObject *child = PyList_GET_ITEM(children, i); |
| 1050 | if (!Element_Check(child)) { |
| 1051 | raise_type_error(child); |
| 1052 | self->extra->length = i; |
| 1053 | dealloc_extra(oldextra); |
| 1054 | return NULL; |
| 1055 | } |
| 1056 | Py_INCREF(child); |
| 1057 | self->extra->children[i] = child; |
Serhiy Storchaka | 6f906b3 | 2018-10-18 09:49:54 +0300 | [diff] [blame] | 1058 | } |
| 1059 | |
| 1060 | assert(!self->extra->length); |
| 1061 | self->extra->length = nchildren; |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1062 | } |
| 1063 | else { |
Serhiy Storchaka | 6f906b3 | 2018-10-18 09:49:54 +0300 | [diff] [blame] | 1064 | if (element_resize(self, 0)) { |
| 1065 | return NULL; |
| 1066 | } |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1067 | } |
| 1068 | |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1069 | /* Stash attrib. */ |
| 1070 | if (attrib) { |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1071 | Py_INCREF(attrib); |
Serhiy Storchaka | 4884271 | 2016-04-06 09:45:48 +0300 | [diff] [blame] | 1072 | Py_XSETREF(self->extra->attrib, attrib); |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1073 | } |
Serhiy Storchaka | 6f906b3 | 2018-10-18 09:49:54 +0300 | [diff] [blame] | 1074 | dealloc_extra(oldextra); |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1075 | |
| 1076 | Py_RETURN_NONE; |
| 1077 | } |
| 1078 | |
| 1079 | /* __setstate__ for Element instance from the Python implementation. |
| 1080 | * 'state' should be the instance dict. |
| 1081 | */ |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1082 | |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1083 | static PyObject * |
| 1084 | element_setstate_from_Python(ElementObject *self, PyObject *state) |
| 1085 | { |
| 1086 | static char *kwlist[] = {PICKLED_TAG, PICKLED_ATTRIB, PICKLED_TEXT, |
| 1087 | PICKLED_TAIL, PICKLED_CHILDREN, 0}; |
| 1088 | PyObject *args; |
| 1089 | PyObject *tag, *attrib, *text, *tail, *children; |
Eli Bendersky | 799e3ed | 2013-01-12 05:42:38 -0800 | [diff] [blame] | 1090 | PyObject *retval; |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1091 | |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1092 | tag = attrib = text = tail = children = NULL; |
| 1093 | args = PyTuple_New(0); |
Eli Bendersky | 799e3ed | 2013-01-12 05:42:38 -0800 | [diff] [blame] | 1094 | if (!args) |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1095 | return NULL; |
Eli Bendersky | 799e3ed | 2013-01-12 05:42:38 -0800 | [diff] [blame] | 1096 | |
| 1097 | if (PyArg_ParseTupleAndKeywords(args, state, "|$OOOOO", kwlist, &tag, |
| 1098 | &attrib, &text, &tail, &children)) |
| 1099 | retval = element_setstate_from_attributes(self, tag, attrib, text, |
| 1100 | tail, children); |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1101 | else |
Eli Bendersky | 799e3ed | 2013-01-12 05:42:38 -0800 | [diff] [blame] | 1102 | retval = NULL; |
| 1103 | |
| 1104 | Py_DECREF(args); |
| 1105 | return retval; |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1106 | } |
| 1107 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1108 | /*[clinic input] |
| 1109 | _elementtree.Element.__setstate__ |
| 1110 | |
| 1111 | state: object |
| 1112 | / |
| 1113 | |
| 1114 | [clinic start generated code]*/ |
| 1115 | |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1116 | static PyObject * |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1117 | _elementtree_Element___setstate__(ElementObject *self, PyObject *state) |
| 1118 | /*[clinic end generated code: output=ea28bf3491b1f75e input=aaf80abea7c1e3b9]*/ |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1119 | { |
| 1120 | if (!PyDict_CheckExact(state)) { |
| 1121 | PyErr_Format(PyExc_TypeError, |
| 1122 | "Don't know how to unpickle \"%.200R\" as an Element", |
| 1123 | state); |
| 1124 | return NULL; |
| 1125 | } |
| 1126 | else |
| 1127 | return element_setstate_from_Python(self, state); |
| 1128 | } |
| 1129 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1130 | LOCAL(int) |
| 1131 | checkpath(PyObject* tag) |
| 1132 | { |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 1133 | Py_ssize_t i; |
| 1134 | int check = 1; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1135 | |
| 1136 | /* check if a tag contains an xpath character */ |
| 1137 | |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1138 | #define PATHCHAR(ch) \ |
| 1139 | (ch == '/' || ch == '*' || ch == '[' || ch == '@' || ch == '.') |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1140 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1141 | if (PyUnicode_Check(tag)) { |
Martin v. Löwis | d63a3b8 | 2011-09-28 07:41:54 +0200 | [diff] [blame] | 1142 | const Py_ssize_t len = PyUnicode_GET_LENGTH(tag); |
| 1143 | void *data = PyUnicode_DATA(tag); |
| 1144 | unsigned int kind = PyUnicode_KIND(tag); |
| 1145 | for (i = 0; i < len; i++) { |
| 1146 | Py_UCS4 ch = PyUnicode_READ(kind, data, i); |
| 1147 | if (ch == '{') |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1148 | check = 0; |
Martin v. Löwis | d63a3b8 | 2011-09-28 07:41:54 +0200 | [diff] [blame] | 1149 | else if (ch == '}') |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1150 | check = 1; |
Martin v. Löwis | d63a3b8 | 2011-09-28 07:41:54 +0200 | [diff] [blame] | 1151 | else if (check && PATHCHAR(ch)) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1152 | return 1; |
| 1153 | } |
| 1154 | return 0; |
| 1155 | } |
Christian Heimes | 72b710a | 2008-05-26 13:28:38 +0000 | [diff] [blame] | 1156 | if (PyBytes_Check(tag)) { |
| 1157 | char *p = PyBytes_AS_STRING(tag); |
| 1158 | for (i = 0; i < PyBytes_GET_SIZE(tag); i++) { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1159 | if (p[i] == '{') |
| 1160 | check = 0; |
| 1161 | else if (p[i] == '}') |
| 1162 | check = 1; |
| 1163 | else if (check && PATHCHAR(p[i])) |
| 1164 | return 1; |
| 1165 | } |
| 1166 | return 0; |
| 1167 | } |
| 1168 | |
| 1169 | return 1; /* unknown type; might be path expression */ |
| 1170 | } |
| 1171 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1172 | /*[clinic input] |
| 1173 | _elementtree.Element.extend |
| 1174 | |
| 1175 | elements: object |
| 1176 | / |
| 1177 | |
| 1178 | [clinic start generated code]*/ |
| 1179 | |
| 1180 | static PyObject * |
| 1181 | _elementtree_Element_extend(ElementObject *self, PyObject *elements) |
| 1182 | /*[clinic end generated code: output=f6e67fc2ff529191 input=807bc4f31c69f7c0]*/ |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1183 | { |
| 1184 | PyObject* seq; |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1185 | Py_ssize_t i; |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1186 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1187 | seq = PySequence_Fast(elements, ""); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1188 | if (!seq) { |
| 1189 | PyErr_Format( |
| 1190 | PyExc_TypeError, |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1191 | "expected sequence, not \"%.200s\"", Py_TYPE(elements)->tp_name |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1192 | ); |
| 1193 | return NULL; |
| 1194 | } |
| 1195 | |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1196 | for (i = 0; i < PySequence_Fast_GET_SIZE(seq); i++) { |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1197 | PyObject* element = PySequence_Fast_GET_ITEM(seq, i); |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1198 | Py_INCREF(element); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1199 | if (element_add_subelement(self, element) < 0) { |
| 1200 | Py_DECREF(seq); |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1201 | Py_DECREF(element); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1202 | return NULL; |
| 1203 | } |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1204 | Py_DECREF(element); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1205 | } |
| 1206 | |
| 1207 | Py_DECREF(seq); |
| 1208 | |
| 1209 | Py_RETURN_NONE; |
| 1210 | } |
| 1211 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1212 | /*[clinic input] |
| 1213 | _elementtree.Element.find |
| 1214 | |
| 1215 | path: object |
| 1216 | namespaces: object = None |
| 1217 | |
| 1218 | [clinic start generated code]*/ |
| 1219 | |
| 1220 | static PyObject * |
| 1221 | _elementtree_Element_find_impl(ElementObject *self, PyObject *path, |
| 1222 | PyObject *namespaces) |
| 1223 | /*[clinic end generated code: output=41b43f0f0becafae input=359b6985f6489d2e]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1224 | { |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 1225 | Py_ssize_t i; |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 1226 | elementtreestate *st = ET_STATE_GLOBAL; |
Martin v. Löwis | afe55bb | 2011-10-09 10:38:36 +0200 | [diff] [blame] | 1227 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1228 | if (checkpath(path) || namespaces != Py_None) { |
Martin v. Löwis | bd928fe | 2011-10-14 10:20:37 +0200 | [diff] [blame] | 1229 | _Py_IDENTIFIER(find); |
Victor Stinner | f561634 | 2016-12-09 15:26:00 +0100 | [diff] [blame] | 1230 | return _PyObject_CallMethodIdObjArgs( |
| 1231 | st->elementpath_obj, &PyId_find, self, path, namespaces, NULL |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1232 | ); |
Martin v. Löwis | afe55bb | 2011-10-09 10:38:36 +0200 | [diff] [blame] | 1233 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1234 | |
| 1235 | if (!self->extra) |
| 1236 | Py_RETURN_NONE; |
Victor Stinner | bfc7bf0 | 2011-03-21 13:23:42 +0100 | [diff] [blame] | 1237 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1238 | for (i = 0; i < self->extra->length; i++) { |
| 1239 | PyObject* item = self->extra->children[i]; |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1240 | int rc; |
Serhiy Storchaka | f081fd8 | 2018-10-19 12:12:57 +0300 | [diff] [blame] | 1241 | assert(Element_Check(item)); |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1242 | Py_INCREF(item); |
Serhiy Storchaka | a2c145c | 2015-05-18 18:33:31 +0300 | [diff] [blame] | 1243 | rc = PyObject_RichCompareBool(((ElementObject*)item)->tag, path, Py_EQ); |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1244 | if (rc > 0) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1245 | return item; |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1246 | Py_DECREF(item); |
| 1247 | if (rc < 0) |
| 1248 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1249 | } |
| 1250 | |
| 1251 | Py_RETURN_NONE; |
| 1252 | } |
| 1253 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1254 | /*[clinic input] |
| 1255 | _elementtree.Element.findtext |
| 1256 | |
| 1257 | path: object |
| 1258 | default: object = None |
| 1259 | namespaces: object = None |
| 1260 | |
| 1261 | [clinic start generated code]*/ |
| 1262 | |
| 1263 | static PyObject * |
| 1264 | _elementtree_Element_findtext_impl(ElementObject *self, PyObject *path, |
| 1265 | PyObject *default_value, |
| 1266 | PyObject *namespaces) |
| 1267 | /*[clinic end generated code: output=83b3ba4535d308d2 input=b53a85aa5aa2a916]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1268 | { |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 1269 | Py_ssize_t i; |
Martin v. Löwis | bd928fe | 2011-10-14 10:20:37 +0200 | [diff] [blame] | 1270 | _Py_IDENTIFIER(findtext); |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 1271 | elementtreestate *st = ET_STATE_GLOBAL; |
Martin v. Löwis | afe55bb | 2011-10-09 10:38:36 +0200 | [diff] [blame] | 1272 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1273 | if (checkpath(path) || namespaces != Py_None) |
Victor Stinner | f561634 | 2016-12-09 15:26:00 +0100 | [diff] [blame] | 1274 | return _PyObject_CallMethodIdObjArgs( |
| 1275 | st->elementpath_obj, &PyId_findtext, |
| 1276 | self, path, default_value, namespaces, NULL |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1277 | ); |
| 1278 | |
| 1279 | if (!self->extra) { |
| 1280 | Py_INCREF(default_value); |
| 1281 | return default_value; |
| 1282 | } |
| 1283 | |
| 1284 | for (i = 0; i < self->extra->length; i++) { |
Serhiy Storchaka | b11c566 | 2018-10-14 10:32:19 +0300 | [diff] [blame] | 1285 | PyObject *item = self->extra->children[i]; |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1286 | int rc; |
Serhiy Storchaka | f081fd8 | 2018-10-19 12:12:57 +0300 | [diff] [blame] | 1287 | assert(Element_Check(item)); |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1288 | Py_INCREF(item); |
Serhiy Storchaka | b11c566 | 2018-10-14 10:32:19 +0300 | [diff] [blame] | 1289 | rc = PyObject_RichCompareBool(((ElementObject*)item)->tag, path, Py_EQ); |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1290 | if (rc > 0) { |
Serhiy Storchaka | b11c566 | 2018-10-14 10:32:19 +0300 | [diff] [blame] | 1291 | PyObject* text = element_get_text((ElementObject*)item); |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1292 | if (text == Py_None) { |
| 1293 | Py_DECREF(item); |
Eli Bendersky | 25771b3 | 2013-01-13 05:26:07 -0800 | [diff] [blame] | 1294 | return PyUnicode_New(0, 0); |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1295 | } |
Thomas Wouters | 00ee7ba | 2006-08-21 19:07:27 +0000 | [diff] [blame] | 1296 | Py_XINCREF(text); |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1297 | Py_DECREF(item); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1298 | return text; |
| 1299 | } |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1300 | Py_DECREF(item); |
| 1301 | if (rc < 0) |
| 1302 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1303 | } |
| 1304 | |
| 1305 | Py_INCREF(default_value); |
| 1306 | return default_value; |
| 1307 | } |
| 1308 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1309 | /*[clinic input] |
| 1310 | _elementtree.Element.findall |
| 1311 | |
| 1312 | path: object |
| 1313 | namespaces: object = None |
| 1314 | |
| 1315 | [clinic start generated code]*/ |
| 1316 | |
| 1317 | static PyObject * |
| 1318 | _elementtree_Element_findall_impl(ElementObject *self, PyObject *path, |
| 1319 | PyObject *namespaces) |
| 1320 | /*[clinic end generated code: output=1a0bd9f5541b711d input=4d9e6505a638550c]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1321 | { |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 1322 | Py_ssize_t i; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1323 | PyObject* out; |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 1324 | elementtreestate *st = ET_STATE_GLOBAL; |
Martin v. Löwis | afe55bb | 2011-10-09 10:38:36 +0200 | [diff] [blame] | 1325 | |
Serhiy Storchaka | b11c566 | 2018-10-14 10:32:19 +0300 | [diff] [blame] | 1326 | if (checkpath(path) || namespaces != Py_None) { |
Martin v. Löwis | bd928fe | 2011-10-14 10:20:37 +0200 | [diff] [blame] | 1327 | _Py_IDENTIFIER(findall); |
Victor Stinner | f561634 | 2016-12-09 15:26:00 +0100 | [diff] [blame] | 1328 | return _PyObject_CallMethodIdObjArgs( |
Serhiy Storchaka | b11c566 | 2018-10-14 10:32:19 +0300 | [diff] [blame] | 1329 | st->elementpath_obj, &PyId_findall, self, path, namespaces, NULL |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1330 | ); |
Martin v. Löwis | afe55bb | 2011-10-09 10:38:36 +0200 | [diff] [blame] | 1331 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1332 | |
| 1333 | out = PyList_New(0); |
| 1334 | if (!out) |
| 1335 | return NULL; |
| 1336 | |
| 1337 | if (!self->extra) |
| 1338 | return out; |
| 1339 | |
| 1340 | for (i = 0; i < self->extra->length; i++) { |
| 1341 | PyObject* item = self->extra->children[i]; |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1342 | int rc; |
Serhiy Storchaka | f081fd8 | 2018-10-19 12:12:57 +0300 | [diff] [blame] | 1343 | assert(Element_Check(item)); |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1344 | Py_INCREF(item); |
Serhiy Storchaka | b11c566 | 2018-10-14 10:32:19 +0300 | [diff] [blame] | 1345 | rc = PyObject_RichCompareBool(((ElementObject*)item)->tag, path, Py_EQ); |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1346 | if (rc != 0 && (rc < 0 || PyList_Append(out, item) < 0)) { |
| 1347 | Py_DECREF(item); |
| 1348 | Py_DECREF(out); |
| 1349 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1350 | } |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1351 | Py_DECREF(item); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1352 | } |
| 1353 | |
| 1354 | return out; |
| 1355 | } |
| 1356 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1357 | /*[clinic input] |
| 1358 | _elementtree.Element.iterfind |
Martin v. Löwis | afe55bb | 2011-10-09 10:38:36 +0200 | [diff] [blame] | 1359 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1360 | path: object |
| 1361 | namespaces: object = None |
| 1362 | |
| 1363 | [clinic start generated code]*/ |
| 1364 | |
| 1365 | static PyObject * |
| 1366 | _elementtree_Element_iterfind_impl(ElementObject *self, PyObject *path, |
| 1367 | PyObject *namespaces) |
| 1368 | /*[clinic end generated code: output=ecdd56d63b19d40f input=abb974e350fb65c7]*/ |
| 1369 | { |
| 1370 | PyObject* tag = path; |
| 1371 | _Py_IDENTIFIER(iterfind); |
| 1372 | elementtreestate *st = ET_STATE_GLOBAL; |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1373 | |
Victor Stinner | f561634 | 2016-12-09 15:26:00 +0100 | [diff] [blame] | 1374 | return _PyObject_CallMethodIdObjArgs( |
| 1375 | st->elementpath_obj, &PyId_iterfind, self, tag, namespaces, NULL); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1376 | } |
| 1377 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1378 | /*[clinic input] |
| 1379 | _elementtree.Element.get |
| 1380 | |
| 1381 | key: object |
| 1382 | default: object = None |
| 1383 | |
| 1384 | [clinic start generated code]*/ |
| 1385 | |
| 1386 | static PyObject * |
| 1387 | _elementtree_Element_get_impl(ElementObject *self, PyObject *key, |
| 1388 | PyObject *default_value) |
| 1389 | /*[clinic end generated code: output=523c614142595d75 input=ee153bbf8cdb246e]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1390 | { |
| 1391 | PyObject* value; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1392 | |
| 1393 | if (!self->extra || self->extra->attrib == Py_None) |
| 1394 | value = default_value; |
| 1395 | else { |
| 1396 | value = PyDict_GetItem(self->extra->attrib, key); |
| 1397 | if (!value) |
| 1398 | value = default_value; |
| 1399 | } |
| 1400 | |
| 1401 | Py_INCREF(value); |
| 1402 | return value; |
| 1403 | } |
| 1404 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1405 | /*[clinic input] |
| 1406 | _elementtree.Element.getchildren |
| 1407 | |
| 1408 | [clinic start generated code]*/ |
| 1409 | |
| 1410 | static PyObject * |
| 1411 | _elementtree_Element_getchildren_impl(ElementObject *self) |
| 1412 | /*[clinic end generated code: output=e50ffe118637b14f input=0f754dfded150d5f]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1413 | { |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 1414 | Py_ssize_t i; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1415 | PyObject* list; |
| 1416 | |
Serhiy Storchaka | 762ec97 | 2017-03-30 18:12:06 +0300 | [diff] [blame] | 1417 | if (PyErr_WarnEx(PyExc_DeprecationWarning, |
| 1418 | "This method will be removed in future versions. " |
| 1419 | "Use 'list(elem)' or iteration over elem instead.", |
| 1420 | 1) < 0) { |
| 1421 | return NULL; |
| 1422 | } |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1423 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1424 | if (!self->extra) |
| 1425 | return PyList_New(0); |
| 1426 | |
| 1427 | list = PyList_New(self->extra->length); |
| 1428 | if (!list) |
| 1429 | return NULL; |
| 1430 | |
| 1431 | for (i = 0; i < self->extra->length; i++) { |
| 1432 | PyObject* item = self->extra->children[i]; |
| 1433 | Py_INCREF(item); |
| 1434 | PyList_SET_ITEM(list, i, item); |
| 1435 | } |
| 1436 | |
| 1437 | return list; |
| 1438 | } |
| 1439 | |
Victor Stinner | bfc7bf0 | 2011-03-21 13:23:42 +0100 | [diff] [blame] | 1440 | |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 1441 | static PyObject * |
| 1442 | create_elementiter(ElementObject *self, PyObject *tag, int gettext); |
| 1443 | |
| 1444 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1445 | /*[clinic input] |
| 1446 | _elementtree.Element.iter |
| 1447 | |
| 1448 | tag: object = None |
| 1449 | |
| 1450 | [clinic start generated code]*/ |
| 1451 | |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 1452 | static PyObject * |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1453 | _elementtree_Element_iter_impl(ElementObject *self, PyObject *tag) |
| 1454 | /*[clinic end generated code: output=3f49f9a862941cc5 input=774d5b12e573aedd]*/ |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 1455 | { |
Serhiy Storchaka | d6a69d8 | 2015-12-09 11:27:07 +0200 | [diff] [blame] | 1456 | if (PyUnicode_Check(tag)) { |
| 1457 | if (PyUnicode_READY(tag) < 0) |
| 1458 | return NULL; |
| 1459 | if (PyUnicode_GET_LENGTH(tag) == 1 && PyUnicode_READ_CHAR(tag, 0) == '*') |
| 1460 | tag = Py_None; |
| 1461 | } |
| 1462 | else if (PyBytes_Check(tag)) { |
| 1463 | if (PyBytes_GET_SIZE(tag) == 1 && *PyBytes_AS_STRING(tag) == '*') |
| 1464 | tag = Py_None; |
| 1465 | } |
| 1466 | |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 1467 | return create_elementiter(self, tag, 0); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1468 | } |
| 1469 | |
| 1470 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1471 | /*[clinic input] |
Serhiy Storchaka | 762ec97 | 2017-03-30 18:12:06 +0300 | [diff] [blame] | 1472 | _elementtree.Element.getiterator |
| 1473 | |
| 1474 | tag: object = None |
| 1475 | |
| 1476 | [clinic start generated code]*/ |
| 1477 | |
| 1478 | static PyObject * |
| 1479 | _elementtree_Element_getiterator_impl(ElementObject *self, PyObject *tag) |
| 1480 | /*[clinic end generated code: output=cb69ff4a3742dfa1 input=500da1a03f7b9e28]*/ |
| 1481 | { |
Serhiy Storchaka | 02ec92f | 2018-07-24 12:03:34 +0300 | [diff] [blame] | 1482 | if (PyErr_WarnEx(PyExc_DeprecationWarning, |
Serhiy Storchaka | 762ec97 | 2017-03-30 18:12:06 +0300 | [diff] [blame] | 1483 | "This method will be removed in future versions. " |
| 1484 | "Use 'tree.iter()' or 'list(tree.iter())' instead.", |
| 1485 | 1) < 0) { |
| 1486 | return NULL; |
| 1487 | } |
| 1488 | return _elementtree_Element_iter_impl(self, tag); |
| 1489 | } |
| 1490 | |
| 1491 | |
| 1492 | /*[clinic input] |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1493 | _elementtree.Element.itertext |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1494 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1495 | [clinic start generated code]*/ |
| 1496 | |
| 1497 | static PyObject * |
| 1498 | _elementtree_Element_itertext_impl(ElementObject *self) |
| 1499 | /*[clinic end generated code: output=5fa34b2fbcb65df6 input=af8f0e42cb239c89]*/ |
| 1500 | { |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 1501 | return create_elementiter(self, Py_None, 1); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1502 | } |
| 1503 | |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 1504 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1505 | static PyObject* |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 1506 | element_getitem(PyObject* self_, Py_ssize_t index) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1507 | { |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 1508 | ElementObject* self = (ElementObject*) self_; |
| 1509 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1510 | if (!self->extra || index < 0 || index >= self->extra->length) { |
| 1511 | PyErr_SetString( |
| 1512 | PyExc_IndexError, |
| 1513 | "child index out of range" |
| 1514 | ); |
| 1515 | return NULL; |
| 1516 | } |
| 1517 | |
| 1518 | Py_INCREF(self->extra->children[index]); |
| 1519 | return self->extra->children[index]; |
| 1520 | } |
| 1521 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1522 | /*[clinic input] |
| 1523 | _elementtree.Element.insert |
| 1524 | |
| 1525 | index: Py_ssize_t |
| 1526 | subelement: object(subclass_of='&Element_Type') |
| 1527 | / |
| 1528 | |
| 1529 | [clinic start generated code]*/ |
| 1530 | |
| 1531 | static PyObject * |
| 1532 | _elementtree_Element_insert_impl(ElementObject *self, Py_ssize_t index, |
| 1533 | PyObject *subelement) |
| 1534 | /*[clinic end generated code: output=990adfef4d424c0b input=cd6fbfcdab52d7a8]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1535 | { |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1536 | Py_ssize_t i; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1537 | |
Victor Stinner | 5f0af23 | 2013-07-11 23:01:36 +0200 | [diff] [blame] | 1538 | if (!self->extra) { |
| 1539 | if (create_extra(self, NULL) < 0) |
| 1540 | return NULL; |
| 1541 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1542 | |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1543 | if (index < 0) { |
| 1544 | index += self->extra->length; |
| 1545 | if (index < 0) |
| 1546 | index = 0; |
| 1547 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1548 | if (index > self->extra->length) |
| 1549 | index = self->extra->length; |
| 1550 | |
| 1551 | if (element_resize(self, 1) < 0) |
| 1552 | return NULL; |
| 1553 | |
| 1554 | for (i = self->extra->length; i > index; i--) |
| 1555 | self->extra->children[i] = self->extra->children[i-1]; |
| 1556 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1557 | Py_INCREF(subelement); |
| 1558 | self->extra->children[index] = subelement; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1559 | |
| 1560 | self->extra->length++; |
| 1561 | |
| 1562 | Py_RETURN_NONE; |
| 1563 | } |
| 1564 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1565 | /*[clinic input] |
| 1566 | _elementtree.Element.items |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1567 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1568 | [clinic start generated code]*/ |
| 1569 | |
| 1570 | static PyObject * |
| 1571 | _elementtree_Element_items_impl(ElementObject *self) |
| 1572 | /*[clinic end generated code: output=6db2c778ce3f5a4d input=adbe09aaea474447]*/ |
| 1573 | { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1574 | if (!self->extra || self->extra->attrib == Py_None) |
| 1575 | return PyList_New(0); |
| 1576 | |
| 1577 | return PyDict_Items(self->extra->attrib); |
| 1578 | } |
| 1579 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1580 | /*[clinic input] |
| 1581 | _elementtree.Element.keys |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1582 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1583 | [clinic start generated code]*/ |
| 1584 | |
| 1585 | static PyObject * |
| 1586 | _elementtree_Element_keys_impl(ElementObject *self) |
| 1587 | /*[clinic end generated code: output=bc5bfabbf20eeb3c input=f02caf5b496b5b0b]*/ |
| 1588 | { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1589 | if (!self->extra || self->extra->attrib == Py_None) |
| 1590 | return PyList_New(0); |
| 1591 | |
| 1592 | return PyDict_Keys(self->extra->attrib); |
| 1593 | } |
| 1594 | |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 1595 | static Py_ssize_t |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1596 | element_length(ElementObject* self) |
| 1597 | { |
| 1598 | if (!self->extra) |
| 1599 | return 0; |
| 1600 | |
| 1601 | return self->extra->length; |
| 1602 | } |
| 1603 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1604 | /*[clinic input] |
| 1605 | _elementtree.Element.makeelement |
| 1606 | |
| 1607 | tag: object |
| 1608 | attrib: object |
| 1609 | / |
| 1610 | |
| 1611 | [clinic start generated code]*/ |
| 1612 | |
| 1613 | static PyObject * |
| 1614 | _elementtree_Element_makeelement_impl(ElementObject *self, PyObject *tag, |
| 1615 | PyObject *attrib) |
| 1616 | /*[clinic end generated code: output=4109832d5bb789ef input=9480d1d2e3e68235]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1617 | { |
| 1618 | PyObject* elem; |
| 1619 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1620 | attrib = PyDict_Copy(attrib); |
| 1621 | if (!attrib) |
| 1622 | return NULL; |
| 1623 | |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 1624 | elem = create_new_element(tag, attrib); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1625 | |
| 1626 | Py_DECREF(attrib); |
| 1627 | |
| 1628 | return elem; |
| 1629 | } |
| 1630 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1631 | /*[clinic input] |
| 1632 | _elementtree.Element.remove |
| 1633 | |
| 1634 | subelement: object(subclass_of='&Element_Type') |
| 1635 | / |
| 1636 | |
| 1637 | [clinic start generated code]*/ |
| 1638 | |
| 1639 | static PyObject * |
| 1640 | _elementtree_Element_remove_impl(ElementObject *self, PyObject *subelement) |
| 1641 | /*[clinic end generated code: output=38fe6c07d6d87d1f input=d52fc28ededc0bd8]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1642 | { |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 1643 | Py_ssize_t i; |
Serhiy Storchaka | a2c145c | 2015-05-18 18:33:31 +0300 | [diff] [blame] | 1644 | int rc; |
| 1645 | PyObject *found; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1646 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1647 | if (!self->extra) { |
| 1648 | /* element has no children, so raise exception */ |
| 1649 | PyErr_SetString( |
| 1650 | PyExc_ValueError, |
| 1651 | "list.remove(x): x not in list" |
| 1652 | ); |
| 1653 | return NULL; |
| 1654 | } |
| 1655 | |
| 1656 | for (i = 0; i < self->extra->length; i++) { |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1657 | if (self->extra->children[i] == subelement) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1658 | break; |
Serhiy Storchaka | a2c145c | 2015-05-18 18:33:31 +0300 | [diff] [blame] | 1659 | rc = PyObject_RichCompareBool(self->extra->children[i], subelement, Py_EQ); |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1660 | if (rc > 0) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1661 | break; |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1662 | if (rc < 0) |
| 1663 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1664 | } |
| 1665 | |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1666 | if (i >= self->extra->length) { |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1667 | /* subelement is not in children, so raise exception */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1668 | PyErr_SetString( |
| 1669 | PyExc_ValueError, |
| 1670 | "list.remove(x): x not in list" |
| 1671 | ); |
| 1672 | return NULL; |
| 1673 | } |
| 1674 | |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1675 | found = self->extra->children[i]; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1676 | |
| 1677 | self->extra->length--; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1678 | for (; i < self->extra->length; i++) |
| 1679 | self->extra->children[i] = self->extra->children[i+1]; |
| 1680 | |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1681 | Py_DECREF(found); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1682 | Py_RETURN_NONE; |
| 1683 | } |
| 1684 | |
| 1685 | static PyObject* |
| 1686 | element_repr(ElementObject* self) |
| 1687 | { |
Serhiy Storchaka | 9062c26 | 2016-06-12 09:43:55 +0300 | [diff] [blame] | 1688 | int status; |
| 1689 | |
| 1690 | if (self->tag == NULL) |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 1691 | return PyUnicode_FromFormat("<Element at %p>", self); |
Serhiy Storchaka | 9062c26 | 2016-06-12 09:43:55 +0300 | [diff] [blame] | 1692 | |
| 1693 | status = Py_ReprEnter((PyObject *)self); |
| 1694 | if (status == 0) { |
| 1695 | PyObject *res; |
| 1696 | res = PyUnicode_FromFormat("<Element %R at %p>", self->tag, self); |
| 1697 | Py_ReprLeave((PyObject *)self); |
| 1698 | return res; |
| 1699 | } |
| 1700 | if (status > 0) |
| 1701 | PyErr_Format(PyExc_RuntimeError, |
| 1702 | "reentrant call inside %s.__repr__", |
| 1703 | Py_TYPE(self)->tp_name); |
| 1704 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1705 | } |
| 1706 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1707 | /*[clinic input] |
| 1708 | _elementtree.Element.set |
| 1709 | |
| 1710 | key: object |
| 1711 | value: object |
| 1712 | / |
| 1713 | |
| 1714 | [clinic start generated code]*/ |
| 1715 | |
| 1716 | static PyObject * |
| 1717 | _elementtree_Element_set_impl(ElementObject *self, PyObject *key, |
| 1718 | PyObject *value) |
| 1719 | /*[clinic end generated code: output=fb938806be3c5656 input=1efe90f7d82b3fe9]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1720 | { |
| 1721 | PyObject* attrib; |
| 1722 | |
Victor Stinner | 5f0af23 | 2013-07-11 23:01:36 +0200 | [diff] [blame] | 1723 | if (!self->extra) { |
| 1724 | if (create_extra(self, NULL) < 0) |
| 1725 | return NULL; |
| 1726 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1727 | |
| 1728 | attrib = element_get_attrib(self); |
| 1729 | if (!attrib) |
| 1730 | return NULL; |
| 1731 | |
| 1732 | if (PyDict_SetItem(attrib, key, value) < 0) |
| 1733 | return NULL; |
| 1734 | |
| 1735 | Py_RETURN_NONE; |
| 1736 | } |
| 1737 | |
| 1738 | static int |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 1739 | element_setitem(PyObject* self_, Py_ssize_t index, PyObject* item) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1740 | { |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 1741 | ElementObject* self = (ElementObject*) self_; |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 1742 | Py_ssize_t i; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1743 | PyObject* old; |
| 1744 | |
| 1745 | if (!self->extra || index < 0 || index >= self->extra->length) { |
| 1746 | PyErr_SetString( |
| 1747 | PyExc_IndexError, |
| 1748 | "child assignment index out of range"); |
| 1749 | return -1; |
| 1750 | } |
| 1751 | |
| 1752 | old = self->extra->children[index]; |
| 1753 | |
| 1754 | if (item) { |
Serhiy Storchaka | f081fd8 | 2018-10-19 12:12:57 +0300 | [diff] [blame] | 1755 | if (!Element_Check(item)) { |
| 1756 | raise_type_error(item); |
| 1757 | return -1; |
| 1758 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1759 | Py_INCREF(item); |
| 1760 | self->extra->children[index] = item; |
| 1761 | } else { |
| 1762 | self->extra->length--; |
| 1763 | for (i = index; i < self->extra->length; i++) |
| 1764 | self->extra->children[i] = self->extra->children[i+1]; |
| 1765 | } |
| 1766 | |
| 1767 | Py_DECREF(old); |
| 1768 | |
| 1769 | return 0; |
| 1770 | } |
| 1771 | |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1772 | static PyObject* |
| 1773 | element_subscr(PyObject* self_, PyObject* item) |
| 1774 | { |
| 1775 | ElementObject* self = (ElementObject*) self_; |
| 1776 | |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1777 | if (PyIndex_Check(item)) { |
| 1778 | Py_ssize_t i = PyNumber_AsSsize_t(item, PyExc_IndexError); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1779 | |
| 1780 | if (i == -1 && PyErr_Occurred()) { |
| 1781 | return NULL; |
| 1782 | } |
| 1783 | if (i < 0 && self->extra) |
| 1784 | i += self->extra->length; |
| 1785 | return element_getitem(self_, i); |
| 1786 | } |
| 1787 | else if (PySlice_Check(item)) { |
| 1788 | Py_ssize_t start, stop, step, slicelen, cur, i; |
| 1789 | PyObject* list; |
| 1790 | |
| 1791 | if (!self->extra) |
| 1792 | return PyList_New(0); |
| 1793 | |
Serhiy Storchaka | b879fe8 | 2017-04-08 09:53:51 +0300 | [diff] [blame] | 1794 | if (PySlice_Unpack(item, &start, &stop, &step) < 0) { |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1795 | return NULL; |
| 1796 | } |
Serhiy Storchaka | b879fe8 | 2017-04-08 09:53:51 +0300 | [diff] [blame] | 1797 | slicelen = PySlice_AdjustIndices(self->extra->length, &start, &stop, |
| 1798 | step); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1799 | |
| 1800 | if (slicelen <= 0) |
| 1801 | return PyList_New(0); |
| 1802 | else { |
| 1803 | list = PyList_New(slicelen); |
| 1804 | if (!list) |
| 1805 | return NULL; |
| 1806 | |
| 1807 | for (cur = start, i = 0; i < slicelen; |
| 1808 | cur += step, i++) { |
| 1809 | PyObject* item = self->extra->children[cur]; |
| 1810 | Py_INCREF(item); |
| 1811 | PyList_SET_ITEM(list, i, item); |
| 1812 | } |
| 1813 | |
| 1814 | return list; |
| 1815 | } |
| 1816 | } |
| 1817 | else { |
| 1818 | PyErr_SetString(PyExc_TypeError, |
| 1819 | "element indices must be integers"); |
| 1820 | return NULL; |
| 1821 | } |
| 1822 | } |
| 1823 | |
| 1824 | static int |
| 1825 | element_ass_subscr(PyObject* self_, PyObject* item, PyObject* value) |
| 1826 | { |
| 1827 | ElementObject* self = (ElementObject*) self_; |
| 1828 | |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1829 | if (PyIndex_Check(item)) { |
| 1830 | Py_ssize_t i = PyNumber_AsSsize_t(item, PyExc_IndexError); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1831 | |
| 1832 | if (i == -1 && PyErr_Occurred()) { |
| 1833 | return -1; |
| 1834 | } |
| 1835 | if (i < 0 && self->extra) |
| 1836 | i += self->extra->length; |
| 1837 | return element_setitem(self_, i, value); |
| 1838 | } |
| 1839 | else if (PySlice_Check(item)) { |
| 1840 | Py_ssize_t start, stop, step, slicelen, newlen, cur, i; |
| 1841 | |
| 1842 | PyObject* recycle = NULL; |
Serhiy Storchaka | 04d759b | 2015-11-22 12:18:38 +0200 | [diff] [blame] | 1843 | PyObject* seq; |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1844 | |
Victor Stinner | 5f0af23 | 2013-07-11 23:01:36 +0200 | [diff] [blame] | 1845 | if (!self->extra) { |
| 1846 | if (create_extra(self, NULL) < 0) |
| 1847 | return -1; |
| 1848 | } |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1849 | |
Serhiy Storchaka | b879fe8 | 2017-04-08 09:53:51 +0300 | [diff] [blame] | 1850 | if (PySlice_Unpack(item, &start, &stop, &step) < 0) { |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1851 | return -1; |
| 1852 | } |
Serhiy Storchaka | b879fe8 | 2017-04-08 09:53:51 +0300 | [diff] [blame] | 1853 | slicelen = PySlice_AdjustIndices(self->extra->length, &start, &stop, |
| 1854 | step); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1855 | |
Eli Bendersky | 865756a | 2012-03-09 13:38:15 +0200 | [diff] [blame] | 1856 | if (value == NULL) { |
| 1857 | /* Delete slice */ |
| 1858 | size_t cur; |
| 1859 | Py_ssize_t i; |
| 1860 | |
| 1861 | if (slicelen <= 0) |
| 1862 | return 0; |
| 1863 | |
| 1864 | /* Since we're deleting, the direction of the range doesn't matter, |
| 1865 | * so for simplicity make it always ascending. |
| 1866 | */ |
| 1867 | if (step < 0) { |
| 1868 | stop = start + 1; |
| 1869 | start = stop + step * (slicelen - 1) - 1; |
| 1870 | step = -step; |
| 1871 | } |
| 1872 | |
Benjamin Peterson | 2f8bfef | 2016-09-07 09:26:18 -0700 | [diff] [blame] | 1873 | assert((size_t)slicelen <= SIZE_MAX / sizeof(PyObject *)); |
Eli Bendersky | 865756a | 2012-03-09 13:38:15 +0200 | [diff] [blame] | 1874 | |
| 1875 | /* recycle is a list that will contain all the children |
| 1876 | * scheduled for removal. |
| 1877 | */ |
| 1878 | if (!(recycle = PyList_New(slicelen))) { |
Eli Bendersky | 865756a | 2012-03-09 13:38:15 +0200 | [diff] [blame] | 1879 | return -1; |
| 1880 | } |
| 1881 | |
| 1882 | /* This loop walks over all the children that have to be deleted, |
| 1883 | * with cur pointing at them. num_moved is the amount of children |
| 1884 | * until the next deleted child that have to be "shifted down" to |
| 1885 | * occupy the deleted's places. |
| 1886 | * Note that in the ith iteration, shifting is done i+i places down |
| 1887 | * because i children were already removed. |
| 1888 | */ |
| 1889 | for (cur = start, i = 0; cur < (size_t)stop; cur += step, ++i) { |
| 1890 | /* Compute how many children have to be moved, clipping at the |
| 1891 | * list end. |
| 1892 | */ |
| 1893 | Py_ssize_t num_moved = step - 1; |
| 1894 | if (cur + step >= (size_t)self->extra->length) { |
| 1895 | num_moved = self->extra->length - cur - 1; |
| 1896 | } |
| 1897 | |
| 1898 | PyList_SET_ITEM(recycle, i, self->extra->children[cur]); |
| 1899 | |
| 1900 | memmove( |
| 1901 | self->extra->children + cur - i, |
| 1902 | self->extra->children + cur + 1, |
| 1903 | num_moved * sizeof(PyObject *)); |
| 1904 | } |
| 1905 | |
| 1906 | /* Leftover "tail" after the last removed child */ |
| 1907 | cur = start + (size_t)slicelen * step; |
| 1908 | if (cur < (size_t)self->extra->length) { |
| 1909 | memmove( |
| 1910 | self->extra->children + cur - slicelen, |
| 1911 | self->extra->children + cur, |
| 1912 | (self->extra->length - cur) * sizeof(PyObject *)); |
| 1913 | } |
| 1914 | |
| 1915 | self->extra->length -= slicelen; |
| 1916 | |
| 1917 | /* Discard the recycle list with all the deleted sub-elements */ |
Zackery Spytz | 9f3ed3e | 2018-10-23 13:28:06 -0600 | [diff] [blame] | 1918 | Py_DECREF(recycle); |
Eli Bendersky | 865756a | 2012-03-09 13:38:15 +0200 | [diff] [blame] | 1919 | return 0; |
| 1920 | } |
Serhiy Storchaka | 04d759b | 2015-11-22 12:18:38 +0200 | [diff] [blame] | 1921 | |
| 1922 | /* A new slice is actually being assigned */ |
| 1923 | seq = PySequence_Fast(value, ""); |
| 1924 | if (!seq) { |
| 1925 | PyErr_Format( |
| 1926 | PyExc_TypeError, |
| 1927 | "expected sequence, not \"%.200s\"", Py_TYPE(value)->tp_name |
| 1928 | ); |
| 1929 | return -1; |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1930 | } |
Serhiy Storchaka | bf623ae | 2017-04-19 20:03:52 +0300 | [diff] [blame] | 1931 | newlen = PySequence_Fast_GET_SIZE(seq); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1932 | |
| 1933 | if (step != 1 && newlen != slicelen) |
| 1934 | { |
Serhiy Storchaka | 04d759b | 2015-11-22 12:18:38 +0200 | [diff] [blame] | 1935 | Py_DECREF(seq); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1936 | PyErr_Format(PyExc_ValueError, |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1937 | "attempt to assign sequence of size %zd " |
| 1938 | "to extended slice of size %zd", |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1939 | newlen, slicelen |
| 1940 | ); |
| 1941 | return -1; |
| 1942 | } |
| 1943 | |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1944 | /* Resize before creating the recycle bin, to prevent refleaks. */ |
| 1945 | if (newlen > slicelen) { |
| 1946 | if (element_resize(self, newlen - slicelen) < 0) { |
Serhiy Storchaka | 04d759b | 2015-11-22 12:18:38 +0200 | [diff] [blame] | 1947 | Py_DECREF(seq); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1948 | return -1; |
| 1949 | } |
| 1950 | } |
| 1951 | |
Serhiy Storchaka | f081fd8 | 2018-10-19 12:12:57 +0300 | [diff] [blame] | 1952 | for (i = 0; i < newlen; i++) { |
| 1953 | PyObject *element = PySequence_Fast_GET_ITEM(seq, i); |
| 1954 | if (!Element_Check(element)) { |
| 1955 | raise_type_error(element); |
| 1956 | Py_DECREF(seq); |
| 1957 | return -1; |
| 1958 | } |
| 1959 | } |
| 1960 | |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1961 | if (slicelen > 0) { |
| 1962 | /* to avoid recursive calls to this method (via decref), move |
| 1963 | old items to the recycle bin here, and get rid of them when |
| 1964 | we're done modifying the element */ |
| 1965 | recycle = PyList_New(slicelen); |
| 1966 | if (!recycle) { |
Serhiy Storchaka | 04d759b | 2015-11-22 12:18:38 +0200 | [diff] [blame] | 1967 | Py_DECREF(seq); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1968 | return -1; |
| 1969 | } |
| 1970 | for (cur = start, i = 0; i < slicelen; |
| 1971 | cur += step, i++) |
| 1972 | PyList_SET_ITEM(recycle, i, self->extra->children[cur]); |
| 1973 | } |
| 1974 | |
| 1975 | if (newlen < slicelen) { |
| 1976 | /* delete slice */ |
| 1977 | for (i = stop; i < self->extra->length; i++) |
| 1978 | self->extra->children[i + newlen - slicelen] = self->extra->children[i]; |
| 1979 | } else if (newlen > slicelen) { |
| 1980 | /* insert slice */ |
| 1981 | for (i = self->extra->length-1; i >= stop; i--) |
| 1982 | self->extra->children[i + newlen - slicelen] = self->extra->children[i]; |
| 1983 | } |
| 1984 | |
| 1985 | /* replace the slice */ |
| 1986 | for (cur = start, i = 0; i < newlen; |
| 1987 | cur += step, i++) { |
| 1988 | PyObject* element = PySequence_Fast_GET_ITEM(seq, i); |
| 1989 | Py_INCREF(element); |
| 1990 | self->extra->children[cur] = element; |
| 1991 | } |
| 1992 | |
| 1993 | self->extra->length += newlen - slicelen; |
| 1994 | |
Serhiy Storchaka | 04d759b | 2015-11-22 12:18:38 +0200 | [diff] [blame] | 1995 | Py_DECREF(seq); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1996 | |
| 1997 | /* discard the recycle bin, and everything in it */ |
| 1998 | Py_XDECREF(recycle); |
| 1999 | |
| 2000 | return 0; |
| 2001 | } |
| 2002 | else { |
| 2003 | PyErr_SetString(PyExc_TypeError, |
| 2004 | "element indices must be integers"); |
| 2005 | return -1; |
| 2006 | } |
| 2007 | } |
| 2008 | |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2009 | static PyObject* |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 2010 | element_tag_getter(ElementObject *self, void *closure) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2011 | { |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 2012 | PyObject *res = self->tag; |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2013 | Py_INCREF(res); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2014 | return res; |
| 2015 | } |
| 2016 | |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 2017 | static PyObject* |
| 2018 | element_text_getter(ElementObject *self, void *closure) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2019 | { |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 2020 | PyObject *res = element_get_text(self); |
| 2021 | Py_XINCREF(res); |
| 2022 | return res; |
| 2023 | } |
Serhiy Storchaka | b6aa537 | 2015-11-23 08:42:25 +0200 | [diff] [blame] | 2024 | |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 2025 | static PyObject* |
| 2026 | element_tail_getter(ElementObject *self, void *closure) |
| 2027 | { |
| 2028 | PyObject *res = element_get_tail(self); |
| 2029 | Py_XINCREF(res); |
| 2030 | return res; |
| 2031 | } |
| 2032 | |
| 2033 | static PyObject* |
| 2034 | element_attrib_getter(ElementObject *self, void *closure) |
| 2035 | { |
| 2036 | PyObject *res; |
| 2037 | if (!self->extra) { |
| 2038 | if (create_extra(self, NULL) < 0) |
| 2039 | return NULL; |
Serhiy Storchaka | b6aa537 | 2015-11-23 08:42:25 +0200 | [diff] [blame] | 2040 | } |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 2041 | res = element_get_attrib(self); |
| 2042 | Py_XINCREF(res); |
| 2043 | return res; |
| 2044 | } |
Victor Stinner | 4d46343 | 2013-07-11 23:05:03 +0200 | [diff] [blame] | 2045 | |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 2046 | /* macro for setter validation */ |
| 2047 | #define _VALIDATE_ATTR_VALUE(V) \ |
| 2048 | if ((V) == NULL) { \ |
| 2049 | PyErr_SetString( \ |
| 2050 | PyExc_AttributeError, \ |
| 2051 | "can't delete element attribute"); \ |
| 2052 | return -1; \ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2053 | } |
| 2054 | |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 2055 | static int |
| 2056 | element_tag_setter(ElementObject *self, PyObject *value, void *closure) |
| 2057 | { |
| 2058 | _VALIDATE_ATTR_VALUE(value); |
| 2059 | Py_INCREF(value); |
Serhiy Storchaka | f01e408 | 2016-04-10 18:12:01 +0300 | [diff] [blame] | 2060 | Py_SETREF(self->tag, value); |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 2061 | return 0; |
| 2062 | } |
| 2063 | |
| 2064 | static int |
| 2065 | element_text_setter(ElementObject *self, PyObject *value, void *closure) |
| 2066 | { |
| 2067 | _VALIDATE_ATTR_VALUE(value); |
| 2068 | Py_INCREF(value); |
Oren Milman | 39ecb9c | 2017-10-10 23:26:24 +0300 | [diff] [blame] | 2069 | _set_joined_ptr(&self->text, value); |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 2070 | return 0; |
| 2071 | } |
| 2072 | |
| 2073 | static int |
| 2074 | element_tail_setter(ElementObject *self, PyObject *value, void *closure) |
| 2075 | { |
| 2076 | _VALIDATE_ATTR_VALUE(value); |
| 2077 | Py_INCREF(value); |
Oren Milman | 39ecb9c | 2017-10-10 23:26:24 +0300 | [diff] [blame] | 2078 | _set_joined_ptr(&self->tail, value); |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 2079 | return 0; |
| 2080 | } |
| 2081 | |
| 2082 | static int |
| 2083 | element_attrib_setter(ElementObject *self, PyObject *value, void *closure) |
| 2084 | { |
| 2085 | _VALIDATE_ATTR_VALUE(value); |
| 2086 | if (!self->extra) { |
| 2087 | if (create_extra(self, NULL) < 0) |
| 2088 | return -1; |
| 2089 | } |
| 2090 | Py_INCREF(value); |
Serhiy Storchaka | f01e408 | 2016-04-10 18:12:01 +0300 | [diff] [blame] | 2091 | Py_SETREF(self->extra->attrib, value); |
Eli Bendersky | ef9683b | 2013-05-18 07:52:34 -0700 | [diff] [blame] | 2092 | return 0; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2093 | } |
| 2094 | |
| 2095 | static PySequenceMethods element_as_sequence = { |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 2096 | (lenfunc) element_length, |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2097 | 0, /* sq_concat */ |
| 2098 | 0, /* sq_repeat */ |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 2099 | element_getitem, |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2100 | 0, |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 2101 | element_setitem, |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2102 | 0, |
| 2103 | }; |
| 2104 | |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2105 | /******************************* Element iterator ****************************/ |
| 2106 | |
| 2107 | /* ElementIterObject represents the iteration state over an XML element in |
| 2108 | * pre-order traversal. To keep track of which sub-element should be returned |
| 2109 | * next, a stack of parents is maintained. This is a standard stack-based |
| 2110 | * iterative pre-order traversal of a tree. |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2111 | * The stack is managed using a continuous array. |
| 2112 | * Each stack item contains the saved parent to which we should return after |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2113 | * the current one is exhausted, and the next child to examine in that parent. |
| 2114 | */ |
| 2115 | typedef struct ParentLocator_t { |
| 2116 | ElementObject *parent; |
| 2117 | Py_ssize_t child_index; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2118 | } ParentLocator; |
| 2119 | |
| 2120 | typedef struct { |
| 2121 | PyObject_HEAD |
| 2122 | ParentLocator *parent_stack; |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2123 | Py_ssize_t parent_stack_used; |
| 2124 | Py_ssize_t parent_stack_size; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2125 | ElementObject *root_element; |
| 2126 | PyObject *sought_tag; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2127 | int gettext; |
| 2128 | } ElementIterObject; |
| 2129 | |
| 2130 | |
| 2131 | static void |
| 2132 | elementiter_dealloc(ElementIterObject *it) |
| 2133 | { |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2134 | Py_ssize_t i = it->parent_stack_used; |
| 2135 | it->parent_stack_used = 0; |
INADA Naoki | a6296d3 | 2017-08-24 14:55:17 +0900 | [diff] [blame] | 2136 | /* bpo-31095: UnTrack is needed before calling any callbacks */ |
| 2137 | PyObject_GC_UnTrack(it); |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2138 | while (i--) |
| 2139 | Py_XDECREF(it->parent_stack[i].parent); |
| 2140 | PyMem_Free(it->parent_stack); |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2141 | |
| 2142 | Py_XDECREF(it->sought_tag); |
| 2143 | Py_XDECREF(it->root_element); |
| 2144 | |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2145 | PyObject_GC_Del(it); |
| 2146 | } |
| 2147 | |
| 2148 | static int |
| 2149 | elementiter_traverse(ElementIterObject *it, visitproc visit, void *arg) |
| 2150 | { |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2151 | Py_ssize_t i = it->parent_stack_used; |
| 2152 | while (i--) |
| 2153 | Py_VISIT(it->parent_stack[i].parent); |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2154 | |
| 2155 | Py_VISIT(it->root_element); |
| 2156 | Py_VISIT(it->sought_tag); |
| 2157 | return 0; |
| 2158 | } |
| 2159 | |
| 2160 | /* Helper function for elementiter_next. Add a new parent to the parent stack. |
| 2161 | */ |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2162 | static int |
| 2163 | parent_stack_push_new(ElementIterObject *it, ElementObject *parent) |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2164 | { |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2165 | ParentLocator *item; |
| 2166 | |
| 2167 | if (it->parent_stack_used >= it->parent_stack_size) { |
| 2168 | Py_ssize_t new_size = it->parent_stack_size * 2; /* never overflow */ |
| 2169 | ParentLocator *parent_stack = it->parent_stack; |
| 2170 | PyMem_Resize(parent_stack, ParentLocator, new_size); |
| 2171 | if (parent_stack == NULL) |
| 2172 | return -1; |
| 2173 | it->parent_stack = parent_stack; |
| 2174 | it->parent_stack_size = new_size; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2175 | } |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2176 | item = it->parent_stack + it->parent_stack_used++; |
| 2177 | Py_INCREF(parent); |
| 2178 | item->parent = parent; |
| 2179 | item->child_index = 0; |
| 2180 | return 0; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2181 | } |
| 2182 | |
| 2183 | static PyObject * |
| 2184 | elementiter_next(ElementIterObject *it) |
| 2185 | { |
| 2186 | /* Sub-element iterator. |
Eli Bendersky | 4583990 | 2013-01-13 05:14:47 -0800 | [diff] [blame] | 2187 | * |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2188 | * A short note on gettext: this function serves both the iter() and |
| 2189 | * itertext() methods to avoid code duplication. However, there are a few |
| 2190 | * small differences in the way these iterations work. Namely: |
| 2191 | * - itertext() only yields text from nodes that have it, and continues |
| 2192 | * iterating when a node doesn't have text (so it doesn't return any |
| 2193 | * node like iter()) |
| 2194 | * - itertext() also has to handle tail, after finishing with all the |
| 2195 | * children of a node. |
| 2196 | */ |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 2197 | int rc; |
Serhiy Storchaka | 66c08d9 | 2015-12-21 11:09:48 +0200 | [diff] [blame] | 2198 | ElementObject *elem; |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2199 | PyObject *text; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2200 | |
| 2201 | while (1) { |
| 2202 | /* Handle the case reached in the beginning and end of iteration, where |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2203 | * the parent stack is empty. If root_element is NULL and we're here, the |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2204 | * iterator is exhausted. |
| 2205 | */ |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2206 | if (!it->parent_stack_used) { |
| 2207 | if (!it->root_element) { |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2208 | PyErr_SetNone(PyExc_StopIteration); |
| 2209 | return NULL; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2210 | } |
| 2211 | |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2212 | elem = it->root_element; /* steals a reference */ |
| 2213 | it->root_element = NULL; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2214 | } |
| 2215 | else { |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2216 | /* See if there are children left to traverse in the current parent. If |
| 2217 | * yes, visit the next child. If not, pop the stack and try again. |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2218 | */ |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2219 | ParentLocator *item = &it->parent_stack[it->parent_stack_used - 1]; |
| 2220 | Py_ssize_t child_index = item->child_index; |
| 2221 | ElementObjectExtra *extra; |
| 2222 | elem = item->parent; |
| 2223 | extra = elem->extra; |
| 2224 | if (!extra || child_index >= extra->length) { |
| 2225 | it->parent_stack_used--; |
| 2226 | /* Note that extra condition on it->parent_stack_used here; |
| 2227 | * this is because itertext() is supposed to only return *inner* |
| 2228 | * text, not text following the element it began iteration with. |
| 2229 | */ |
| 2230 | if (it->gettext && it->parent_stack_used) { |
| 2231 | text = element_get_tail(elem); |
| 2232 | goto gettext; |
| 2233 | } |
| 2234 | Py_DECREF(elem); |
| 2235 | continue; |
Serhiy Storchaka | 66c08d9 | 2015-12-21 11:09:48 +0200 | [diff] [blame] | 2236 | } |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2237 | |
Serhiy Storchaka | f081fd8 | 2018-10-19 12:12:57 +0300 | [diff] [blame] | 2238 | assert(Element_Check(extra->children[child_index])); |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2239 | elem = (ElementObject *)extra->children[child_index]; |
| 2240 | item->child_index++; |
| 2241 | Py_INCREF(elem); |
| 2242 | } |
| 2243 | |
| 2244 | if (parent_stack_push_new(it, elem) < 0) { |
| 2245 | Py_DECREF(elem); |
| 2246 | PyErr_NoMemory(); |
| 2247 | return NULL; |
| 2248 | } |
| 2249 | if (it->gettext) { |
| 2250 | text = element_get_text(elem); |
| 2251 | goto gettext; |
| 2252 | } |
| 2253 | |
| 2254 | if (it->sought_tag == Py_None) |
| 2255 | return (PyObject *)elem; |
| 2256 | |
| 2257 | rc = PyObject_RichCompareBool(elem->tag, it->sought_tag, Py_EQ); |
| 2258 | if (rc > 0) |
| 2259 | return (PyObject *)elem; |
| 2260 | |
| 2261 | Py_DECREF(elem); |
| 2262 | if (rc < 0) |
| 2263 | return NULL; |
| 2264 | continue; |
| 2265 | |
| 2266 | gettext: |
| 2267 | if (!text) { |
| 2268 | Py_DECREF(elem); |
| 2269 | return NULL; |
| 2270 | } |
| 2271 | if (text == Py_None) { |
| 2272 | Py_DECREF(elem); |
| 2273 | } |
| 2274 | else { |
| 2275 | Py_INCREF(text); |
| 2276 | Py_DECREF(elem); |
| 2277 | rc = PyObject_IsTrue(text); |
| 2278 | if (rc > 0) |
| 2279 | return text; |
| 2280 | Py_DECREF(text); |
| 2281 | if (rc < 0) |
| 2282 | return NULL; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2283 | } |
| 2284 | } |
| 2285 | |
| 2286 | return NULL; |
| 2287 | } |
| 2288 | |
| 2289 | |
| 2290 | static PyTypeObject ElementIter_Type = { |
| 2291 | PyVarObject_HEAD_INIT(NULL, 0) |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 2292 | /* Using the module's name since the pure-Python implementation does not |
| 2293 | have such a type. */ |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2294 | "_elementtree._element_iterator", /* tp_name */ |
| 2295 | sizeof(ElementIterObject), /* tp_basicsize */ |
| 2296 | 0, /* tp_itemsize */ |
| 2297 | /* methods */ |
| 2298 | (destructor)elementiter_dealloc, /* tp_dealloc */ |
| 2299 | 0, /* tp_print */ |
| 2300 | 0, /* tp_getattr */ |
| 2301 | 0, /* tp_setattr */ |
| 2302 | 0, /* tp_reserved */ |
| 2303 | 0, /* tp_repr */ |
| 2304 | 0, /* tp_as_number */ |
| 2305 | 0, /* tp_as_sequence */ |
| 2306 | 0, /* tp_as_mapping */ |
| 2307 | 0, /* tp_hash */ |
| 2308 | 0, /* tp_call */ |
| 2309 | 0, /* tp_str */ |
| 2310 | 0, /* tp_getattro */ |
| 2311 | 0, /* tp_setattro */ |
| 2312 | 0, /* tp_as_buffer */ |
| 2313 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /* tp_flags */ |
| 2314 | 0, /* tp_doc */ |
| 2315 | (traverseproc)elementiter_traverse, /* tp_traverse */ |
| 2316 | 0, /* tp_clear */ |
| 2317 | 0, /* tp_richcompare */ |
| 2318 | 0, /* tp_weaklistoffset */ |
| 2319 | PyObject_SelfIter, /* tp_iter */ |
| 2320 | (iternextfunc)elementiter_next, /* tp_iternext */ |
| 2321 | 0, /* tp_methods */ |
| 2322 | 0, /* tp_members */ |
| 2323 | 0, /* tp_getset */ |
| 2324 | 0, /* tp_base */ |
| 2325 | 0, /* tp_dict */ |
| 2326 | 0, /* tp_descr_get */ |
| 2327 | 0, /* tp_descr_set */ |
| 2328 | 0, /* tp_dictoffset */ |
| 2329 | 0, /* tp_init */ |
| 2330 | 0, /* tp_alloc */ |
| 2331 | 0, /* tp_new */ |
| 2332 | }; |
| 2333 | |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2334 | #define INIT_PARENT_STACK_SIZE 8 |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2335 | |
| 2336 | static PyObject * |
| 2337 | create_elementiter(ElementObject *self, PyObject *tag, int gettext) |
| 2338 | { |
| 2339 | ElementIterObject *it; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2340 | |
| 2341 | it = PyObject_GC_New(ElementIterObject, &ElementIter_Type); |
| 2342 | if (!it) |
| 2343 | return NULL; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2344 | |
Victor Stinner | 4d46343 | 2013-07-11 23:05:03 +0200 | [diff] [blame] | 2345 | Py_INCREF(tag); |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2346 | it->sought_tag = tag; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2347 | it->gettext = gettext; |
Victor Stinner | 4d46343 | 2013-07-11 23:05:03 +0200 | [diff] [blame] | 2348 | Py_INCREF(self); |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2349 | it->root_element = self; |
| 2350 | |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2351 | PyObject_GC_Track(it); |
Victor Stinner | d917dcb | 2013-07-12 02:05:17 +0200 | [diff] [blame] | 2352 | |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2353 | it->parent_stack = PyMem_New(ParentLocator, INIT_PARENT_STACK_SIZE); |
Victor Stinner | d917dcb | 2013-07-12 02:05:17 +0200 | [diff] [blame] | 2354 | if (it->parent_stack == NULL) { |
| 2355 | Py_DECREF(it); |
| 2356 | PyErr_NoMemory(); |
| 2357 | return NULL; |
| 2358 | } |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2359 | it->parent_stack_used = 0; |
| 2360 | it->parent_stack_size = INIT_PARENT_STACK_SIZE; |
Victor Stinner | d917dcb | 2013-07-12 02:05:17 +0200 | [diff] [blame] | 2361 | |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2362 | return (PyObject *)it; |
| 2363 | } |
| 2364 | |
| 2365 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2366 | /* ==================================================================== */ |
| 2367 | /* the tree builder type */ |
| 2368 | |
| 2369 | typedef struct { |
| 2370 | PyObject_HEAD |
| 2371 | |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2372 | PyObject *root; /* root node (first created node) */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2373 | |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2374 | PyObject *this; /* current node */ |
| 2375 | PyObject *last; /* most recently created node */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2376 | |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2377 | PyObject *data; /* data collector (string or list), or NULL */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2378 | |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2379 | PyObject *stack; /* element stack */ |
| 2380 | Py_ssize_t index; /* current stack size (0 means empty) */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2381 | |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2382 | PyObject *element_factory; |
| 2383 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2384 | /* element tracing */ |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 2385 | PyObject *events_append; /* the append method of the list of events, or NULL */ |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2386 | PyObject *start_event_obj; /* event objects (NULL to ignore) */ |
| 2387 | PyObject *end_event_obj; |
| 2388 | PyObject *start_ns_event_obj; |
| 2389 | PyObject *end_ns_event_obj; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2390 | } TreeBuilderObject; |
| 2391 | |
Christian Heimes | 90aa764 | 2007-12-19 02:45:37 +0000 | [diff] [blame] | 2392 | #define TreeBuilder_CheckExact(op) (Py_TYPE(op) == &TreeBuilder_Type) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2393 | |
| 2394 | /* -------------------------------------------------------------------- */ |
| 2395 | /* constructor and destructor */ |
| 2396 | |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2397 | static PyObject * |
| 2398 | treebuilder_new(PyTypeObject *type, PyObject *args, PyObject *kwds) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2399 | { |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2400 | TreeBuilderObject *t = (TreeBuilderObject *)type->tp_alloc(type, 0); |
| 2401 | if (t != NULL) { |
| 2402 | t->root = NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2403 | |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2404 | Py_INCREF(Py_None); |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2405 | t->this = Py_None; |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2406 | Py_INCREF(Py_None); |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2407 | t->last = Py_None; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2408 | |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2409 | t->data = NULL; |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2410 | t->element_factory = NULL; |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2411 | t->stack = PyList_New(20); |
| 2412 | if (!t->stack) { |
| 2413 | Py_DECREF(t->this); |
| 2414 | Py_DECREF(t->last); |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 2415 | Py_DECREF((PyObject *) t); |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2416 | return NULL; |
| 2417 | } |
| 2418 | t->index = 0; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2419 | |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 2420 | t->events_append = NULL; |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2421 | t->start_event_obj = t->end_event_obj = NULL; |
| 2422 | t->start_ns_event_obj = t->end_ns_event_obj = NULL; |
| 2423 | } |
| 2424 | return (PyObject *)t; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2425 | } |
| 2426 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 2427 | /*[clinic input] |
| 2428 | _elementtree.TreeBuilder.__init__ |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2429 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 2430 | element_factory: object = NULL |
| 2431 | |
| 2432 | [clinic start generated code]*/ |
| 2433 | |
| 2434 | static int |
| 2435 | _elementtree_TreeBuilder___init___impl(TreeBuilderObject *self, |
| 2436 | PyObject *element_factory) |
| 2437 | /*[clinic end generated code: output=91cfa7558970ee96 input=1b424eeefc35249c]*/ |
| 2438 | { |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2439 | if (element_factory) { |
| 2440 | Py_INCREF(element_factory); |
Serhiy Storchaka | ec39756 | 2016-04-06 09:50:03 +0300 | [diff] [blame] | 2441 | Py_XSETREF(self->element_factory, element_factory); |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2442 | } |
| 2443 | |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2444 | return 0; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2445 | } |
| 2446 | |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2447 | static int |
| 2448 | treebuilder_gc_traverse(TreeBuilderObject *self, visitproc visit, void *arg) |
| 2449 | { |
Serhiy Storchaka | d2a75c6 | 2018-12-18 22:29:14 +0200 | [diff] [blame^] | 2450 | Py_VISIT(self->end_ns_event_obj); |
| 2451 | Py_VISIT(self->start_ns_event_obj); |
| 2452 | Py_VISIT(self->end_event_obj); |
| 2453 | Py_VISIT(self->start_event_obj); |
| 2454 | Py_VISIT(self->events_append); |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2455 | Py_VISIT(self->root); |
| 2456 | Py_VISIT(self->this); |
| 2457 | Py_VISIT(self->last); |
| 2458 | Py_VISIT(self->data); |
| 2459 | Py_VISIT(self->stack); |
| 2460 | Py_VISIT(self->element_factory); |
| 2461 | return 0; |
| 2462 | } |
| 2463 | |
| 2464 | static int |
| 2465 | treebuilder_gc_clear(TreeBuilderObject *self) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2466 | { |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 2467 | Py_CLEAR(self->end_ns_event_obj); |
| 2468 | Py_CLEAR(self->start_ns_event_obj); |
| 2469 | Py_CLEAR(self->end_event_obj); |
| 2470 | Py_CLEAR(self->start_event_obj); |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 2471 | Py_CLEAR(self->events_append); |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 2472 | Py_CLEAR(self->stack); |
| 2473 | Py_CLEAR(self->data); |
| 2474 | Py_CLEAR(self->last); |
| 2475 | Py_CLEAR(self->this); |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2476 | Py_CLEAR(self->element_factory); |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 2477 | Py_CLEAR(self->root); |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2478 | return 0; |
| 2479 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2480 | |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2481 | static void |
| 2482 | treebuilder_dealloc(TreeBuilderObject *self) |
| 2483 | { |
| 2484 | PyObject_GC_UnTrack(self); |
| 2485 | treebuilder_gc_clear(self); |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2486 | Py_TYPE(self)->tp_free((PyObject *)self); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2487 | } |
| 2488 | |
| 2489 | /* -------------------------------------------------------------------- */ |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2490 | /* helpers for handling of arbitrary element-like objects */ |
| 2491 | |
| 2492 | static int |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 2493 | treebuilder_set_element_text_or_tail(PyObject *element, PyObject **data, |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2494 | PyObject **dest, _Py_Identifier *name) |
| 2495 | { |
| 2496 | if (Element_CheckExact(element)) { |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 2497 | PyObject *tmp = JOIN_OBJ(*dest); |
| 2498 | *dest = JOIN_SET(*data, PyList_CheckExact(*data)); |
| 2499 | *data = NULL; |
| 2500 | Py_DECREF(tmp); |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2501 | return 0; |
| 2502 | } |
| 2503 | else { |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 2504 | PyObject *joined = list_join(*data); |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2505 | int r; |
| 2506 | if (joined == NULL) |
| 2507 | return -1; |
| 2508 | r = _PyObject_SetAttrId(element, name, joined); |
| 2509 | Py_DECREF(joined); |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 2510 | if (r < 0) |
| 2511 | return -1; |
| 2512 | Py_CLEAR(*data); |
| 2513 | return 0; |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2514 | } |
| 2515 | } |
| 2516 | |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 2517 | LOCAL(int) |
| 2518 | treebuilder_flush_data(TreeBuilderObject* self) |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2519 | { |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 2520 | PyObject *element = self->last; |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2521 | |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 2522 | if (!self->data) { |
| 2523 | return 0; |
| 2524 | } |
| 2525 | |
| 2526 | if (self->this == element) { |
| 2527 | _Py_IDENTIFIER(text); |
| 2528 | return treebuilder_set_element_text_or_tail( |
| 2529 | element, &self->data, |
| 2530 | &((ElementObject *) element)->text, &PyId_text); |
| 2531 | } |
| 2532 | else { |
| 2533 | _Py_IDENTIFIER(tail); |
| 2534 | return treebuilder_set_element_text_or_tail( |
| 2535 | element, &self->data, |
| 2536 | &((ElementObject *) element)->tail, &PyId_tail); |
| 2537 | } |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2538 | } |
| 2539 | |
| 2540 | static int |
| 2541 | treebuilder_add_subelement(PyObject *element, PyObject *child) |
| 2542 | { |
| 2543 | _Py_IDENTIFIER(append); |
| 2544 | if (Element_CheckExact(element)) { |
| 2545 | ElementObject *elem = (ElementObject *) element; |
| 2546 | return element_add_subelement(elem, child); |
| 2547 | } |
| 2548 | else { |
| 2549 | PyObject *res; |
Victor Stinner | f561634 | 2016-12-09 15:26:00 +0100 | [diff] [blame] | 2550 | res = _PyObject_CallMethodIdObjArgs(element, &PyId_append, child, NULL); |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2551 | if (res == NULL) |
| 2552 | return -1; |
| 2553 | Py_DECREF(res); |
| 2554 | return 0; |
| 2555 | } |
| 2556 | } |
| 2557 | |
Serhiy Storchaka | 7efaf95 | 2015-12-06 23:51:44 +0200 | [diff] [blame] | 2558 | LOCAL(int) |
| 2559 | treebuilder_append_event(TreeBuilderObject *self, PyObject *action, |
| 2560 | PyObject *node) |
| 2561 | { |
| 2562 | if (action != NULL) { |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 2563 | PyObject *res; |
| 2564 | PyObject *event = PyTuple_Pack(2, action, node); |
| 2565 | if (event == NULL) |
| 2566 | return -1; |
Victor Stinner | de4ae3d | 2016-12-04 22:59:09 +0100 | [diff] [blame] | 2567 | res = PyObject_CallFunctionObjArgs(self->events_append, event, NULL); |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 2568 | Py_DECREF(event); |
Serhiy Storchaka | 7efaf95 | 2015-12-06 23:51:44 +0200 | [diff] [blame] | 2569 | if (res == NULL) |
| 2570 | return -1; |
Serhiy Storchaka | 7efaf95 | 2015-12-06 23:51:44 +0200 | [diff] [blame] | 2571 | Py_DECREF(res); |
| 2572 | } |
| 2573 | return 0; |
| 2574 | } |
| 2575 | |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2576 | /* -------------------------------------------------------------------- */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2577 | /* handlers */ |
| 2578 | |
| 2579 | LOCAL(PyObject*) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2580 | treebuilder_handle_start(TreeBuilderObject* self, PyObject* tag, |
| 2581 | PyObject* attrib) |
| 2582 | { |
| 2583 | PyObject* node; |
| 2584 | PyObject* this; |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 2585 | elementtreestate *st = ET_STATE_GLOBAL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2586 | |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 2587 | if (treebuilder_flush_data(self) < 0) { |
| 2588 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2589 | } |
| 2590 | |
Serhiy Storchaka | 36ff997 | 2015-12-10 09:51:53 +0200 | [diff] [blame] | 2591 | if (!self->element_factory || self->element_factory == Py_None) { |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2592 | node = create_new_element(tag, attrib); |
Serhiy Storchaka | 36ff997 | 2015-12-10 09:51:53 +0200 | [diff] [blame] | 2593 | } else if (attrib == Py_None) { |
| 2594 | attrib = PyDict_New(); |
| 2595 | if (!attrib) |
| 2596 | return NULL; |
Victor Stinner | 5abaa2b | 2016-12-09 16:22:32 +0100 | [diff] [blame] | 2597 | node = PyObject_CallFunctionObjArgs(self->element_factory, |
| 2598 | tag, attrib, NULL); |
Serhiy Storchaka | 36ff997 | 2015-12-10 09:51:53 +0200 | [diff] [blame] | 2599 | Py_DECREF(attrib); |
| 2600 | } |
| 2601 | else { |
Victor Stinner | 5abaa2b | 2016-12-09 16:22:32 +0100 | [diff] [blame] | 2602 | node = PyObject_CallFunctionObjArgs(self->element_factory, |
| 2603 | tag, attrib, NULL); |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2604 | } |
| 2605 | if (!node) { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2606 | return NULL; |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2607 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2608 | |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2609 | this = self->this; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2610 | |
| 2611 | if (this != Py_None) { |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2612 | if (treebuilder_add_subelement(this, node) < 0) |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 2613 | goto error; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2614 | } else { |
| 2615 | if (self->root) { |
| 2616 | PyErr_SetString( |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 2617 | st->parseerror_obj, |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2618 | "multiple elements on top level" |
| 2619 | ); |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 2620 | goto error; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2621 | } |
| 2622 | Py_INCREF(node); |
| 2623 | self->root = node; |
| 2624 | } |
| 2625 | |
| 2626 | if (self->index < PyList_GET_SIZE(self->stack)) { |
| 2627 | if (PyList_SetItem(self->stack, self->index, this) < 0) |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 2628 | goto error; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2629 | Py_INCREF(this); |
| 2630 | } else { |
| 2631 | if (PyList_Append(self->stack, this) < 0) |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 2632 | goto error; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2633 | } |
| 2634 | self->index++; |
| 2635 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2636 | Py_INCREF(node); |
Serhiy Storchaka | 57a01d3 | 2016-04-10 18:05:40 +0300 | [diff] [blame] | 2637 | Py_SETREF(self->this, node); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2638 | Py_INCREF(node); |
Serhiy Storchaka | 57a01d3 | 2016-04-10 18:05:40 +0300 | [diff] [blame] | 2639 | Py_SETREF(self->last, node); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2640 | |
Serhiy Storchaka | 7efaf95 | 2015-12-06 23:51:44 +0200 | [diff] [blame] | 2641 | if (treebuilder_append_event(self, self->start_event_obj, node) < 0) |
| 2642 | goto error; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2643 | |
| 2644 | return node; |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 2645 | |
| 2646 | error: |
| 2647 | Py_DECREF(node); |
| 2648 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2649 | } |
| 2650 | |
| 2651 | LOCAL(PyObject*) |
| 2652 | treebuilder_handle_data(TreeBuilderObject* self, PyObject* data) |
| 2653 | { |
| 2654 | if (!self->data) { |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2655 | if (self->last == Py_None) { |
Thomas Wouters | 00ee7ba | 2006-08-21 19:07:27 +0000 | [diff] [blame] | 2656 | /* ignore calls to data before the first call to start */ |
| 2657 | Py_RETURN_NONE; |
| 2658 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2659 | /* store the first item as is */ |
| 2660 | Py_INCREF(data); self->data = data; |
| 2661 | } else { |
| 2662 | /* more than one item; use a list to collect items */ |
Christian Heimes | 72b710a | 2008-05-26 13:28:38 +0000 | [diff] [blame] | 2663 | if (PyBytes_CheckExact(self->data) && Py_REFCNT(self->data) == 1 && |
| 2664 | PyBytes_CheckExact(data) && PyBytes_GET_SIZE(data) == 1) { |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 2665 | /* XXX this code path unused in Python 3? */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2666 | /* expat often generates single character data sections; handle |
| 2667 | the most common case by resizing the existing string... */ |
Christian Heimes | 72b710a | 2008-05-26 13:28:38 +0000 | [diff] [blame] | 2668 | Py_ssize_t size = PyBytes_GET_SIZE(self->data); |
| 2669 | if (_PyBytes_Resize(&self->data, size + 1) < 0) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2670 | return NULL; |
Christian Heimes | 72b710a | 2008-05-26 13:28:38 +0000 | [diff] [blame] | 2671 | PyBytes_AS_STRING(self->data)[size] = PyBytes_AS_STRING(data)[0]; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2672 | } else if (PyList_CheckExact(self->data)) { |
| 2673 | if (PyList_Append(self->data, data) < 0) |
| 2674 | return NULL; |
| 2675 | } else { |
| 2676 | PyObject* list = PyList_New(2); |
| 2677 | if (!list) |
| 2678 | return NULL; |
| 2679 | PyList_SET_ITEM(list, 0, self->data); |
| 2680 | Py_INCREF(data); PyList_SET_ITEM(list, 1, data); |
| 2681 | self->data = list; |
| 2682 | } |
| 2683 | } |
| 2684 | |
| 2685 | Py_RETURN_NONE; |
| 2686 | } |
| 2687 | |
| 2688 | LOCAL(PyObject*) |
| 2689 | treebuilder_handle_end(TreeBuilderObject* self, PyObject* tag) |
| 2690 | { |
| 2691 | PyObject* item; |
| 2692 | |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 2693 | if (treebuilder_flush_data(self) < 0) { |
| 2694 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2695 | } |
| 2696 | |
| 2697 | if (self->index == 0) { |
| 2698 | PyErr_SetString( |
| 2699 | PyExc_IndexError, |
| 2700 | "pop from empty stack" |
| 2701 | ); |
| 2702 | return NULL; |
| 2703 | } |
| 2704 | |
Serhiy Storchaka | 191321d | 2015-12-27 15:41:34 +0200 | [diff] [blame] | 2705 | item = self->last; |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2706 | self->last = self->this; |
Serhiy Storchaka | 191321d | 2015-12-27 15:41:34 +0200 | [diff] [blame] | 2707 | self->index--; |
| 2708 | self->this = PyList_GET_ITEM(self->stack, self->index); |
| 2709 | Py_INCREF(self->this); |
| 2710 | Py_DECREF(item); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2711 | |
Serhiy Storchaka | 7efaf95 | 2015-12-06 23:51:44 +0200 | [diff] [blame] | 2712 | if (treebuilder_append_event(self, self->end_event_obj, self->last) < 0) |
| 2713 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2714 | |
| 2715 | Py_INCREF(self->last); |
| 2716 | return (PyObject*) self->last; |
| 2717 | } |
| 2718 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2719 | /* -------------------------------------------------------------------- */ |
| 2720 | /* methods (in alphabetical order) */ |
| 2721 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 2722 | /*[clinic input] |
| 2723 | _elementtree.TreeBuilder.data |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2724 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 2725 | data: object |
| 2726 | / |
| 2727 | |
| 2728 | [clinic start generated code]*/ |
| 2729 | |
| 2730 | static PyObject * |
| 2731 | _elementtree_TreeBuilder_data(TreeBuilderObject *self, PyObject *data) |
| 2732 | /*[clinic end generated code: output=69144c7100795bb2 input=a0540c532b284d29]*/ |
| 2733 | { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2734 | return treebuilder_handle_data(self, data); |
| 2735 | } |
| 2736 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 2737 | /*[clinic input] |
| 2738 | _elementtree.TreeBuilder.end |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2739 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 2740 | tag: object |
| 2741 | / |
| 2742 | |
| 2743 | [clinic start generated code]*/ |
| 2744 | |
| 2745 | static PyObject * |
| 2746 | _elementtree_TreeBuilder_end(TreeBuilderObject *self, PyObject *tag) |
| 2747 | /*[clinic end generated code: output=9a98727cc691cd9d input=22dc3674236f5745]*/ |
| 2748 | { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2749 | return treebuilder_handle_end(self, tag); |
| 2750 | } |
| 2751 | |
| 2752 | LOCAL(PyObject*) |
| 2753 | treebuilder_done(TreeBuilderObject* self) |
| 2754 | { |
| 2755 | PyObject* res; |
| 2756 | |
| 2757 | /* FIXME: check stack size? */ |
| 2758 | |
| 2759 | if (self->root) |
| 2760 | res = self->root; |
| 2761 | else |
| 2762 | res = Py_None; |
| 2763 | |
| 2764 | Py_INCREF(res); |
| 2765 | return res; |
| 2766 | } |
| 2767 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 2768 | /*[clinic input] |
| 2769 | _elementtree.TreeBuilder.close |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2770 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 2771 | [clinic start generated code]*/ |
| 2772 | |
| 2773 | static PyObject * |
| 2774 | _elementtree_TreeBuilder_close_impl(TreeBuilderObject *self) |
| 2775 | /*[clinic end generated code: output=b441fee3202f61ee input=f7c9c65dc718de14]*/ |
| 2776 | { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2777 | return treebuilder_done(self); |
| 2778 | } |
| 2779 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 2780 | /*[clinic input] |
| 2781 | _elementtree.TreeBuilder.start |
| 2782 | |
| 2783 | tag: object |
| 2784 | attrs: object = None |
| 2785 | / |
| 2786 | |
| 2787 | [clinic start generated code]*/ |
| 2788 | |
| 2789 | static PyObject * |
| 2790 | _elementtree_TreeBuilder_start_impl(TreeBuilderObject *self, PyObject *tag, |
| 2791 | PyObject *attrs) |
| 2792 | /*[clinic end generated code: output=e7e9dc2861349411 input=95fc1758dd042c65]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2793 | { |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 2794 | return treebuilder_handle_start(self, tag, attrs); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2795 | } |
| 2796 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2797 | /* ==================================================================== */ |
| 2798 | /* the expat interface */ |
| 2799 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2800 | #include "expat.h" |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2801 | #include "pyexpat.h" |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 2802 | |
| 2803 | /* The PyExpat_CAPI structure is an immutable dispatch table, so it can be |
| 2804 | * cached globally without being in per-module state. |
| 2805 | */ |
Eli Bendersky | 20d4174 | 2012-06-01 09:48:37 +0300 | [diff] [blame] | 2806 | static struct PyExpat_CAPI *expat_capi; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2807 | #define EXPAT(func) (expat_capi->func) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2808 | |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 2809 | static XML_Memory_Handling_Suite ExpatMemoryHandler = { |
| 2810 | PyObject_Malloc, PyObject_Realloc, PyObject_Free}; |
| 2811 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2812 | typedef struct { |
| 2813 | PyObject_HEAD |
| 2814 | |
| 2815 | XML_Parser parser; |
| 2816 | |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 2817 | PyObject *target; |
| 2818 | PyObject *entity; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2819 | |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 2820 | PyObject *names; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2821 | |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 2822 | PyObject *handle_start; |
| 2823 | PyObject *handle_data; |
| 2824 | PyObject *handle_end; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2825 | |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 2826 | PyObject *handle_comment; |
| 2827 | PyObject *handle_pi; |
| 2828 | PyObject *handle_doctype; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2829 | |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 2830 | PyObject *handle_close; |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2831 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2832 | } XMLParserObject; |
| 2833 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2834 | /* helpers */ |
| 2835 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2836 | LOCAL(PyObject*) |
| 2837 | makeuniversal(XMLParserObject* self, const char* string) |
| 2838 | { |
| 2839 | /* convert a UTF-8 tag/attribute name from the expat parser |
| 2840 | to a universal name string */ |
| 2841 | |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 2842 | Py_ssize_t size = (Py_ssize_t) strlen(string); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2843 | PyObject* key; |
| 2844 | PyObject* value; |
| 2845 | |
| 2846 | /* look the 'raw' name up in the names dictionary */ |
Christian Heimes | 72b710a | 2008-05-26 13:28:38 +0000 | [diff] [blame] | 2847 | key = PyBytes_FromStringAndSize(string, size); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2848 | if (!key) |
| 2849 | return NULL; |
| 2850 | |
| 2851 | value = PyDict_GetItem(self->names, key); |
| 2852 | |
| 2853 | if (value) { |
| 2854 | Py_INCREF(value); |
| 2855 | } else { |
| 2856 | /* new name. convert to universal name, and decode as |
| 2857 | necessary */ |
| 2858 | |
| 2859 | PyObject* tag; |
| 2860 | char* p; |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 2861 | Py_ssize_t i; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2862 | |
| 2863 | /* look for namespace separator */ |
| 2864 | for (i = 0; i < size; i++) |
| 2865 | if (string[i] == '}') |
| 2866 | break; |
| 2867 | if (i != size) { |
| 2868 | /* convert to universal name */ |
Christian Heimes | 72b710a | 2008-05-26 13:28:38 +0000 | [diff] [blame] | 2869 | tag = PyBytes_FromStringAndSize(NULL, size+1); |
Victor Stinner | 71c8b7e | 2013-07-11 23:08:39 +0200 | [diff] [blame] | 2870 | if (tag == NULL) { |
| 2871 | Py_DECREF(key); |
| 2872 | return NULL; |
| 2873 | } |
Christian Heimes | 72b710a | 2008-05-26 13:28:38 +0000 | [diff] [blame] | 2874 | p = PyBytes_AS_STRING(tag); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2875 | p[0] = '{'; |
| 2876 | memcpy(p+1, string, size); |
| 2877 | size++; |
| 2878 | } else { |
| 2879 | /* plain name; use key as tag */ |
| 2880 | Py_INCREF(key); |
| 2881 | tag = key; |
| 2882 | } |
Victor Stinner | bfc7bf0 | 2011-03-21 13:23:42 +0100 | [diff] [blame] | 2883 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2884 | /* decode universal name */ |
Christian Heimes | 72b710a | 2008-05-26 13:28:38 +0000 | [diff] [blame] | 2885 | p = PyBytes_AS_STRING(tag); |
Neal Norwitz | 0269b91 | 2007-08-08 06:56:02 +0000 | [diff] [blame] | 2886 | value = PyUnicode_DecodeUTF8(p, size, "strict"); |
| 2887 | Py_DECREF(tag); |
| 2888 | if (!value) { |
| 2889 | Py_DECREF(key); |
| 2890 | return NULL; |
| 2891 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2892 | |
| 2893 | /* add to names dictionary */ |
| 2894 | if (PyDict_SetItem(self->names, key, value) < 0) { |
| 2895 | Py_DECREF(key); |
| 2896 | Py_DECREF(value); |
| 2897 | return NULL; |
| 2898 | } |
| 2899 | } |
| 2900 | |
| 2901 | Py_DECREF(key); |
| 2902 | return value; |
| 2903 | } |
| 2904 | |
Eli Bendersky | 5b77d81 | 2012-03-16 08:20:05 +0200 | [diff] [blame] | 2905 | /* Set the ParseError exception with the given parameters. |
| 2906 | * If message is not NULL, it's used as the error string. Otherwise, the |
| 2907 | * message string is the default for the given error_code. |
| 2908 | */ |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2909 | static void |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 2910 | expat_set_error(enum XML_Error error_code, Py_ssize_t line, Py_ssize_t column, |
| 2911 | const char *message) |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2912 | { |
Eli Bendersky | 5b77d81 | 2012-03-16 08:20:05 +0200 | [diff] [blame] | 2913 | PyObject *errmsg, *error, *position, *code; |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 2914 | elementtreestate *st = ET_STATE_GLOBAL; |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2915 | |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 2916 | errmsg = PyUnicode_FromFormat("%s: line %zd, column %zd", |
Eli Bendersky | 5b77d81 | 2012-03-16 08:20:05 +0200 | [diff] [blame] | 2917 | message ? message : EXPAT(ErrorString)(error_code), |
| 2918 | line, column); |
Victor Stinner | 499dfcf | 2011-03-21 13:26:24 +0100 | [diff] [blame] | 2919 | if (errmsg == NULL) |
| 2920 | return; |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2921 | |
Victor Stinner | 7bfb42d | 2016-12-05 17:04:32 +0100 | [diff] [blame] | 2922 | error = PyObject_CallFunctionObjArgs(st->parseerror_obj, errmsg, NULL); |
Victor Stinner | 499dfcf | 2011-03-21 13:26:24 +0100 | [diff] [blame] | 2923 | Py_DECREF(errmsg); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2924 | if (!error) |
| 2925 | return; |
| 2926 | |
Eli Bendersky | 5b77d81 | 2012-03-16 08:20:05 +0200 | [diff] [blame] | 2927 | /* Add code and position attributes */ |
| 2928 | code = PyLong_FromLong((long)error_code); |
| 2929 | if (!code) { |
| 2930 | Py_DECREF(error); |
| 2931 | return; |
| 2932 | } |
| 2933 | if (PyObject_SetAttrString(error, "code", code) == -1) { |
| 2934 | Py_DECREF(error); |
| 2935 | Py_DECREF(code); |
| 2936 | return; |
| 2937 | } |
| 2938 | Py_DECREF(code); |
| 2939 | |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 2940 | position = Py_BuildValue("(nn)", line, column); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2941 | if (!position) { |
| 2942 | Py_DECREF(error); |
| 2943 | return; |
| 2944 | } |
| 2945 | if (PyObject_SetAttrString(error, "position", position) == -1) { |
| 2946 | Py_DECREF(error); |
| 2947 | Py_DECREF(position); |
| 2948 | return; |
| 2949 | } |
| 2950 | Py_DECREF(position); |
| 2951 | |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 2952 | PyErr_SetObject(st->parseerror_obj, error); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2953 | Py_DECREF(error); |
| 2954 | } |
| 2955 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2956 | /* -------------------------------------------------------------------- */ |
| 2957 | /* handlers */ |
| 2958 | |
| 2959 | static void |
| 2960 | expat_default_handler(XMLParserObject* self, const XML_Char* data_in, |
| 2961 | int data_len) |
| 2962 | { |
| 2963 | PyObject* key; |
| 2964 | PyObject* value; |
| 2965 | PyObject* res; |
| 2966 | |
| 2967 | if (data_len < 2 || data_in[0] != '&') |
| 2968 | return; |
| 2969 | |
Victor Stinner | 3fd8cbd | 2013-07-18 22:46:14 +0200 | [diff] [blame] | 2970 | if (PyErr_Occurred()) |
| 2971 | return; |
| 2972 | |
Neal Norwitz | 0269b91 | 2007-08-08 06:56:02 +0000 | [diff] [blame] | 2973 | key = PyUnicode_DecodeUTF8(data_in + 1, data_len - 2, "strict"); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2974 | if (!key) |
| 2975 | return; |
| 2976 | |
| 2977 | value = PyDict_GetItem(self->entity, key); |
| 2978 | |
| 2979 | if (value) { |
| 2980 | if (TreeBuilder_CheckExact(self->target)) |
| 2981 | res = treebuilder_handle_data( |
| 2982 | (TreeBuilderObject*) self->target, value |
| 2983 | ); |
| 2984 | else if (self->handle_data) |
Victor Stinner | 7bfb42d | 2016-12-05 17:04:32 +0100 | [diff] [blame] | 2985 | res = PyObject_CallFunctionObjArgs(self->handle_data, value, NULL); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2986 | else |
| 2987 | res = NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2988 | Py_XDECREF(res); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2989 | } else if (!PyErr_Occurred()) { |
| 2990 | /* Report the first error, not the last */ |
Alexander Belopolsky | e239d23 | 2010-12-08 23:31:48 +0000 | [diff] [blame] | 2991 | char message[128] = "undefined entity "; |
| 2992 | strncat(message, data_in, data_len < 100?data_len:100); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2993 | expat_set_error( |
Eli Bendersky | 5b77d81 | 2012-03-16 08:20:05 +0200 | [diff] [blame] | 2994 | XML_ERROR_UNDEFINED_ENTITY, |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2995 | EXPAT(GetErrorLineNumber)(self->parser), |
Eli Bendersky | 5b77d81 | 2012-03-16 08:20:05 +0200 | [diff] [blame] | 2996 | EXPAT(GetErrorColumnNumber)(self->parser), |
| 2997 | message |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2998 | ); |
| 2999 | } |
| 3000 | |
| 3001 | Py_DECREF(key); |
| 3002 | } |
| 3003 | |
| 3004 | static void |
| 3005 | expat_start_handler(XMLParserObject* self, const XML_Char* tag_in, |
| 3006 | const XML_Char **attrib_in) |
| 3007 | { |
| 3008 | PyObject* res; |
| 3009 | PyObject* tag; |
| 3010 | PyObject* attrib; |
| 3011 | int ok; |
| 3012 | |
Victor Stinner | 3fd8cbd | 2013-07-18 22:46:14 +0200 | [diff] [blame] | 3013 | if (PyErr_Occurred()) |
| 3014 | return; |
| 3015 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3016 | /* tag name */ |
| 3017 | tag = makeuniversal(self, tag_in); |
| 3018 | if (!tag) |
| 3019 | return; /* parser will look for errors */ |
| 3020 | |
| 3021 | /* attributes */ |
| 3022 | if (attrib_in[0]) { |
| 3023 | attrib = PyDict_New(); |
Serhiy Storchaka | a29eb08 | 2015-12-09 19:44:30 +0200 | [diff] [blame] | 3024 | if (!attrib) { |
| 3025 | Py_DECREF(tag); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3026 | return; |
Serhiy Storchaka | a29eb08 | 2015-12-09 19:44:30 +0200 | [diff] [blame] | 3027 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3028 | while (attrib_in[0] && attrib_in[1]) { |
| 3029 | PyObject* key = makeuniversal(self, attrib_in[0]); |
Neal Norwitz | 0269b91 | 2007-08-08 06:56:02 +0000 | [diff] [blame] | 3030 | PyObject* value = PyUnicode_DecodeUTF8(attrib_in[1], strlen(attrib_in[1]), "strict"); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3031 | if (!key || !value) { |
| 3032 | Py_XDECREF(value); |
| 3033 | Py_XDECREF(key); |
| 3034 | Py_DECREF(attrib); |
Serhiy Storchaka | a29eb08 | 2015-12-09 19:44:30 +0200 | [diff] [blame] | 3035 | Py_DECREF(tag); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3036 | return; |
| 3037 | } |
| 3038 | ok = PyDict_SetItem(attrib, key, value); |
| 3039 | Py_DECREF(value); |
| 3040 | Py_DECREF(key); |
| 3041 | if (ok < 0) { |
| 3042 | Py_DECREF(attrib); |
Serhiy Storchaka | a29eb08 | 2015-12-09 19:44:30 +0200 | [diff] [blame] | 3043 | Py_DECREF(tag); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3044 | return; |
| 3045 | } |
| 3046 | attrib_in += 2; |
| 3047 | } |
| 3048 | } else { |
Serhiy Storchaka | 36ff997 | 2015-12-10 09:51:53 +0200 | [diff] [blame] | 3049 | Py_INCREF(Py_None); |
| 3050 | attrib = Py_None; |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 3051 | } |
| 3052 | |
| 3053 | if (TreeBuilder_CheckExact(self->target)) { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3054 | /* shortcut */ |
| 3055 | res = treebuilder_handle_start((TreeBuilderObject*) self->target, |
| 3056 | tag, attrib); |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 3057 | } |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 3058 | else if (self->handle_start) { |
Serhiy Storchaka | 36ff997 | 2015-12-10 09:51:53 +0200 | [diff] [blame] | 3059 | if (attrib == Py_None) { |
| 3060 | Py_DECREF(attrib); |
| 3061 | attrib = PyDict_New(); |
| 3062 | if (!attrib) { |
| 3063 | Py_DECREF(tag); |
| 3064 | return; |
| 3065 | } |
| 3066 | } |
Victor Stinner | 5abaa2b | 2016-12-09 16:22:32 +0100 | [diff] [blame] | 3067 | res = PyObject_CallFunctionObjArgs(self->handle_start, |
| 3068 | tag, attrib, NULL); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 3069 | } else |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3070 | res = NULL; |
| 3071 | |
| 3072 | Py_DECREF(tag); |
| 3073 | Py_DECREF(attrib); |
| 3074 | |
| 3075 | Py_XDECREF(res); |
| 3076 | } |
| 3077 | |
| 3078 | static void |
| 3079 | expat_data_handler(XMLParserObject* self, const XML_Char* data_in, |
| 3080 | int data_len) |
| 3081 | { |
| 3082 | PyObject* data; |
| 3083 | PyObject* res; |
| 3084 | |
Victor Stinner | 3fd8cbd | 2013-07-18 22:46:14 +0200 | [diff] [blame] | 3085 | if (PyErr_Occurred()) |
| 3086 | return; |
| 3087 | |
Neal Norwitz | 0269b91 | 2007-08-08 06:56:02 +0000 | [diff] [blame] | 3088 | data = PyUnicode_DecodeUTF8(data_in, data_len, "strict"); |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 3089 | if (!data) |
| 3090 | return; /* parser will look for errors */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3091 | |
| 3092 | if (TreeBuilder_CheckExact(self->target)) |
| 3093 | /* shortcut */ |
| 3094 | res = treebuilder_handle_data((TreeBuilderObject*) self->target, data); |
| 3095 | else if (self->handle_data) |
Victor Stinner | 7bfb42d | 2016-12-05 17:04:32 +0100 | [diff] [blame] | 3096 | res = PyObject_CallFunctionObjArgs(self->handle_data, data, NULL); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3097 | else |
| 3098 | res = NULL; |
| 3099 | |
| 3100 | Py_DECREF(data); |
| 3101 | |
| 3102 | Py_XDECREF(res); |
| 3103 | } |
| 3104 | |
| 3105 | static void |
| 3106 | expat_end_handler(XMLParserObject* self, const XML_Char* tag_in) |
| 3107 | { |
| 3108 | PyObject* tag; |
| 3109 | PyObject* res = NULL; |
| 3110 | |
Victor Stinner | 3fd8cbd | 2013-07-18 22:46:14 +0200 | [diff] [blame] | 3111 | if (PyErr_Occurred()) |
| 3112 | return; |
| 3113 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3114 | if (TreeBuilder_CheckExact(self->target)) |
| 3115 | /* shortcut */ |
| 3116 | /* the standard tree builder doesn't look at the end tag */ |
| 3117 | res = treebuilder_handle_end( |
| 3118 | (TreeBuilderObject*) self->target, Py_None |
| 3119 | ); |
| 3120 | else if (self->handle_end) { |
| 3121 | tag = makeuniversal(self, tag_in); |
| 3122 | if (tag) { |
Victor Stinner | 7bfb42d | 2016-12-05 17:04:32 +0100 | [diff] [blame] | 3123 | res = PyObject_CallFunctionObjArgs(self->handle_end, tag, NULL); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3124 | Py_DECREF(tag); |
| 3125 | } |
| 3126 | } |
| 3127 | |
| 3128 | Py_XDECREF(res); |
| 3129 | } |
| 3130 | |
| 3131 | static void |
| 3132 | expat_start_ns_handler(XMLParserObject* self, const XML_Char* prefix, |
| 3133 | const XML_Char *uri) |
| 3134 | { |
Serhiy Storchaka | 7efaf95 | 2015-12-06 23:51:44 +0200 | [diff] [blame] | 3135 | TreeBuilderObject *target = (TreeBuilderObject*) self->target; |
| 3136 | PyObject *parcel; |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 3137 | |
Victor Stinner | 3fd8cbd | 2013-07-18 22:46:14 +0200 | [diff] [blame] | 3138 | if (PyErr_Occurred()) |
| 3139 | return; |
| 3140 | |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 3141 | if (!target->events_append || !target->start_ns_event_obj) |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 3142 | return; |
| 3143 | |
Serhiy Storchaka | 7efaf95 | 2015-12-06 23:51:44 +0200 | [diff] [blame] | 3144 | if (!uri) |
| 3145 | uri = ""; |
| 3146 | if (!prefix) |
| 3147 | prefix = ""; |
| 3148 | |
| 3149 | parcel = Py_BuildValue("ss", prefix, uri); |
| 3150 | if (!parcel) |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 3151 | return; |
Serhiy Storchaka | 7efaf95 | 2015-12-06 23:51:44 +0200 | [diff] [blame] | 3152 | treebuilder_append_event(target, target->start_ns_event_obj, parcel); |
| 3153 | Py_DECREF(parcel); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3154 | } |
| 3155 | |
| 3156 | static void |
| 3157 | expat_end_ns_handler(XMLParserObject* self, const XML_Char* prefix_in) |
| 3158 | { |
Serhiy Storchaka | 7efaf95 | 2015-12-06 23:51:44 +0200 | [diff] [blame] | 3159 | TreeBuilderObject *target = (TreeBuilderObject*) self->target; |
| 3160 | |
Victor Stinner | 3fd8cbd | 2013-07-18 22:46:14 +0200 | [diff] [blame] | 3161 | if (PyErr_Occurred()) |
| 3162 | return; |
| 3163 | |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 3164 | if (!target->events_append) |
Serhiy Storchaka | 7efaf95 | 2015-12-06 23:51:44 +0200 | [diff] [blame] | 3165 | return; |
| 3166 | |
| 3167 | treebuilder_append_event(target, target->end_ns_event_obj, Py_None); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3168 | } |
| 3169 | |
| 3170 | static void |
| 3171 | expat_comment_handler(XMLParserObject* self, const XML_Char* comment_in) |
| 3172 | { |
| 3173 | PyObject* comment; |
| 3174 | PyObject* res; |
| 3175 | |
Victor Stinner | 3fd8cbd | 2013-07-18 22:46:14 +0200 | [diff] [blame] | 3176 | if (PyErr_Occurred()) |
| 3177 | return; |
| 3178 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3179 | if (self->handle_comment) { |
Neal Norwitz | 0269b91 | 2007-08-08 06:56:02 +0000 | [diff] [blame] | 3180 | comment = PyUnicode_DecodeUTF8(comment_in, strlen(comment_in), "strict"); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3181 | if (comment) { |
Victor Stinner | 7bfb42d | 2016-12-05 17:04:32 +0100 | [diff] [blame] | 3182 | res = PyObject_CallFunctionObjArgs(self->handle_comment, |
| 3183 | comment, NULL); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3184 | Py_XDECREF(res); |
| 3185 | Py_DECREF(comment); |
| 3186 | } |
| 3187 | } |
| 3188 | } |
| 3189 | |
Eli Bendersky | 4583990 | 2013-01-13 05:14:47 -0800 | [diff] [blame] | 3190 | static void |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 3191 | expat_start_doctype_handler(XMLParserObject *self, |
| 3192 | const XML_Char *doctype_name, |
| 3193 | const XML_Char *sysid, |
| 3194 | const XML_Char *pubid, |
| 3195 | int has_internal_subset) |
| 3196 | { |
Serhiy Storchaka | 02ec92f | 2018-07-24 12:03:34 +0300 | [diff] [blame] | 3197 | _Py_IDENTIFIER(doctype); |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 3198 | PyObject *doctype_name_obj, *sysid_obj, *pubid_obj; |
Serhiy Storchaka | 02ec92f | 2018-07-24 12:03:34 +0300 | [diff] [blame] | 3199 | PyObject *res; |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 3200 | |
Victor Stinner | 3fd8cbd | 2013-07-18 22:46:14 +0200 | [diff] [blame] | 3201 | if (PyErr_Occurred()) |
| 3202 | return; |
| 3203 | |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 3204 | doctype_name_obj = makeuniversal(self, doctype_name); |
| 3205 | if (!doctype_name_obj) |
| 3206 | return; |
| 3207 | |
| 3208 | if (sysid) { |
| 3209 | sysid_obj = makeuniversal(self, sysid); |
| 3210 | if (!sysid_obj) { |
| 3211 | Py_DECREF(doctype_name_obj); |
| 3212 | return; |
| 3213 | } |
| 3214 | } else { |
| 3215 | Py_INCREF(Py_None); |
| 3216 | sysid_obj = Py_None; |
| 3217 | } |
| 3218 | |
| 3219 | if (pubid) { |
| 3220 | pubid_obj = makeuniversal(self, pubid); |
| 3221 | if (!pubid_obj) { |
| 3222 | Py_DECREF(doctype_name_obj); |
| 3223 | Py_DECREF(sysid_obj); |
| 3224 | return; |
| 3225 | } |
| 3226 | } else { |
| 3227 | Py_INCREF(Py_None); |
| 3228 | pubid_obj = Py_None; |
| 3229 | } |
| 3230 | |
| 3231 | /* If the target has a handler for doctype, call it. */ |
| 3232 | if (self->handle_doctype) { |
Victor Stinner | 5abaa2b | 2016-12-09 16:22:32 +0100 | [diff] [blame] | 3233 | res = PyObject_CallFunctionObjArgs(self->handle_doctype, |
| 3234 | doctype_name_obj, pubid_obj, |
| 3235 | sysid_obj, NULL); |
Serhiy Storchaka | 02ec92f | 2018-07-24 12:03:34 +0300 | [diff] [blame] | 3236 | Py_XDECREF(res); |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 3237 | } |
Serhiy Storchaka | 02ec92f | 2018-07-24 12:03:34 +0300 | [diff] [blame] | 3238 | else if (_PyObject_LookupAttrId((PyObject *)self, &PyId_doctype, &res) > 0) { |
| 3239 | (void)PyErr_WarnEx(PyExc_RuntimeWarning, |
| 3240 | "The doctype() method of XMLParser is ignored. " |
| 3241 | "Define doctype() method on the TreeBuilder target.", |
| 3242 | 1); |
Serhiy Storchaka | ee98e7b | 2018-07-25 14:52:45 +0300 | [diff] [blame] | 3243 | Py_DECREF(res); |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 3244 | } |
| 3245 | |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 3246 | Py_DECREF(doctype_name_obj); |
| 3247 | Py_DECREF(pubid_obj); |
| 3248 | Py_DECREF(sysid_obj); |
| 3249 | } |
| 3250 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3251 | static void |
| 3252 | expat_pi_handler(XMLParserObject* self, const XML_Char* target_in, |
| 3253 | const XML_Char* data_in) |
| 3254 | { |
| 3255 | PyObject* target; |
| 3256 | PyObject* data; |
| 3257 | PyObject* res; |
| 3258 | |
Victor Stinner | 3fd8cbd | 2013-07-18 22:46:14 +0200 | [diff] [blame] | 3259 | if (PyErr_Occurred()) |
| 3260 | return; |
| 3261 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3262 | if (self->handle_pi) { |
Neal Norwitz | 0269b91 | 2007-08-08 06:56:02 +0000 | [diff] [blame] | 3263 | target = PyUnicode_DecodeUTF8(target_in, strlen(target_in), "strict"); |
| 3264 | data = PyUnicode_DecodeUTF8(data_in, strlen(data_in), "strict"); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3265 | if (target && data) { |
Victor Stinner | 5abaa2b | 2016-12-09 16:22:32 +0100 | [diff] [blame] | 3266 | res = PyObject_CallFunctionObjArgs(self->handle_pi, |
| 3267 | target, data, NULL); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3268 | Py_XDECREF(res); |
| 3269 | Py_DECREF(data); |
| 3270 | Py_DECREF(target); |
| 3271 | } else { |
| 3272 | Py_XDECREF(data); |
| 3273 | Py_XDECREF(target); |
| 3274 | } |
| 3275 | } |
| 3276 | } |
| 3277 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3278 | /* -------------------------------------------------------------------- */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3279 | |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3280 | static PyObject * |
| 3281 | xmlparser_new(PyTypeObject *type, PyObject *args, PyObject *kwds) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3282 | { |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3283 | XMLParserObject *self = (XMLParserObject *)type->tp_alloc(type, 0); |
| 3284 | if (self) { |
| 3285 | self->parser = NULL; |
| 3286 | self->target = self->entity = self->names = NULL; |
| 3287 | self->handle_start = self->handle_data = self->handle_end = NULL; |
| 3288 | self->handle_comment = self->handle_pi = self->handle_close = NULL; |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 3289 | self->handle_doctype = NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3290 | } |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3291 | return (PyObject *)self; |
| 3292 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3293 | |
scoder | c8d8e15 | 2017-09-14 22:00:03 +0200 | [diff] [blame] | 3294 | static int |
| 3295 | ignore_attribute_error(PyObject *value) |
| 3296 | { |
| 3297 | if (value == NULL) { |
| 3298 | if (!PyErr_ExceptionMatches(PyExc_AttributeError)) { |
| 3299 | return -1; |
| 3300 | } |
| 3301 | PyErr_Clear(); |
| 3302 | } |
| 3303 | return 0; |
| 3304 | } |
| 3305 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3306 | /*[clinic input] |
| 3307 | _elementtree.XMLParser.__init__ |
| 3308 | |
Serhiy Storchaka | 02ec92f | 2018-07-24 12:03:34 +0300 | [diff] [blame] | 3309 | * |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3310 | target: object = NULL |
Larry Hastings | dbfdc38 | 2015-05-04 06:59:46 -0700 | [diff] [blame] | 3311 | encoding: str(accept={str, NoneType}) = NULL |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3312 | |
| 3313 | [clinic start generated code]*/ |
| 3314 | |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3315 | static int |
Serhiy Storchaka | 02ec92f | 2018-07-24 12:03:34 +0300 | [diff] [blame] | 3316 | _elementtree_XMLParser___init___impl(XMLParserObject *self, PyObject *target, |
| 3317 | const char *encoding) |
| 3318 | /*[clinic end generated code: output=3ae45ec6cdf344e4 input=96288fcba916cfce]*/ |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3319 | { |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3320 | self->entity = PyDict_New(); |
| 3321 | if (!self->entity) |
| 3322 | return -1; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3323 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3324 | self->names = PyDict_New(); |
| 3325 | if (!self->names) { |
| 3326 | Py_CLEAR(self->entity); |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3327 | return -1; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3328 | } |
Victor Stinner | bfc7bf0 | 2011-03-21 13:23:42 +0100 | [diff] [blame] | 3329 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3330 | self->parser = EXPAT(ParserCreate_MM)(encoding, &ExpatMemoryHandler, "}"); |
| 3331 | if (!self->parser) { |
| 3332 | Py_CLEAR(self->entity); |
| 3333 | Py_CLEAR(self->names); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3334 | PyErr_NoMemory(); |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3335 | return -1; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3336 | } |
Christian Heimes | cb5778f | 2018-09-18 14:38:58 +0200 | [diff] [blame] | 3337 | /* expat < 2.1.0 has no XML_SetHashSalt() */ |
| 3338 | if (EXPAT(SetHashSalt) != NULL) { |
| 3339 | EXPAT(SetHashSalt)(self->parser, |
| 3340 | (unsigned long)_Py_HashSecret.expat.hashsalt); |
| 3341 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3342 | |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3343 | if (target) { |
| 3344 | Py_INCREF(target); |
| 3345 | } else { |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 3346 | target = treebuilder_new(&TreeBuilder_Type, NULL, NULL); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3347 | if (!target) { |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3348 | Py_CLEAR(self->entity); |
| 3349 | Py_CLEAR(self->names); |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3350 | return -1; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3351 | } |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3352 | } |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3353 | self->target = target; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3354 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3355 | self->handle_start = PyObject_GetAttrString(target, "start"); |
scoder | c8d8e15 | 2017-09-14 22:00:03 +0200 | [diff] [blame] | 3356 | if (ignore_attribute_error(self->handle_start)) { |
| 3357 | return -1; |
| 3358 | } |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3359 | self->handle_data = PyObject_GetAttrString(target, "data"); |
scoder | c8d8e15 | 2017-09-14 22:00:03 +0200 | [diff] [blame] | 3360 | if (ignore_attribute_error(self->handle_data)) { |
| 3361 | return -1; |
| 3362 | } |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3363 | self->handle_end = PyObject_GetAttrString(target, "end"); |
scoder | c8d8e15 | 2017-09-14 22:00:03 +0200 | [diff] [blame] | 3364 | if (ignore_attribute_error(self->handle_end)) { |
| 3365 | return -1; |
| 3366 | } |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3367 | self->handle_comment = PyObject_GetAttrString(target, "comment"); |
scoder | c8d8e15 | 2017-09-14 22:00:03 +0200 | [diff] [blame] | 3368 | if (ignore_attribute_error(self->handle_comment)) { |
| 3369 | return -1; |
| 3370 | } |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3371 | self->handle_pi = PyObject_GetAttrString(target, "pi"); |
scoder | c8d8e15 | 2017-09-14 22:00:03 +0200 | [diff] [blame] | 3372 | if (ignore_attribute_error(self->handle_pi)) { |
| 3373 | return -1; |
| 3374 | } |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3375 | self->handle_close = PyObject_GetAttrString(target, "close"); |
scoder | c8d8e15 | 2017-09-14 22:00:03 +0200 | [diff] [blame] | 3376 | if (ignore_attribute_error(self->handle_close)) { |
| 3377 | return -1; |
| 3378 | } |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3379 | self->handle_doctype = PyObject_GetAttrString(target, "doctype"); |
scoder | c8d8e15 | 2017-09-14 22:00:03 +0200 | [diff] [blame] | 3380 | if (ignore_attribute_error(self->handle_doctype)) { |
| 3381 | return -1; |
| 3382 | } |
Eli Bendersky | 4583990 | 2013-01-13 05:14:47 -0800 | [diff] [blame] | 3383 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3384 | /* configure parser */ |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3385 | EXPAT(SetUserData)(self->parser, self); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3386 | EXPAT(SetElementHandler)( |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3387 | self->parser, |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3388 | (XML_StartElementHandler) expat_start_handler, |
| 3389 | (XML_EndElementHandler) expat_end_handler |
| 3390 | ); |
| 3391 | EXPAT(SetDefaultHandlerExpand)( |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3392 | self->parser, |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3393 | (XML_DefaultHandler) expat_default_handler |
| 3394 | ); |
| 3395 | EXPAT(SetCharacterDataHandler)( |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3396 | self->parser, |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3397 | (XML_CharacterDataHandler) expat_data_handler |
| 3398 | ); |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3399 | if (self->handle_comment) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3400 | EXPAT(SetCommentHandler)( |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3401 | self->parser, |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3402 | (XML_CommentHandler) expat_comment_handler |
| 3403 | ); |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3404 | if (self->handle_pi) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3405 | EXPAT(SetProcessingInstructionHandler)( |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3406 | self->parser, |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3407 | (XML_ProcessingInstructionHandler) expat_pi_handler |
| 3408 | ); |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 3409 | EXPAT(SetStartDoctypeDeclHandler)( |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3410 | self->parser, |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 3411 | (XML_StartDoctypeDeclHandler) expat_start_doctype_handler |
| 3412 | ); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3413 | EXPAT(SetUnknownEncodingHandler)( |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3414 | self->parser, |
Eli Bendersky | 6dc32b3 | 2013-05-25 05:25:48 -0700 | [diff] [blame] | 3415 | EXPAT(DefaultUnknownEncodingHandler), NULL |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3416 | ); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3417 | |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3418 | return 0; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3419 | } |
| 3420 | |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3421 | static int |
| 3422 | xmlparser_gc_traverse(XMLParserObject *self, visitproc visit, void *arg) |
| 3423 | { |
| 3424 | Py_VISIT(self->handle_close); |
| 3425 | Py_VISIT(self->handle_pi); |
| 3426 | Py_VISIT(self->handle_comment); |
| 3427 | Py_VISIT(self->handle_end); |
| 3428 | Py_VISIT(self->handle_data); |
| 3429 | Py_VISIT(self->handle_start); |
| 3430 | |
| 3431 | Py_VISIT(self->target); |
| 3432 | Py_VISIT(self->entity); |
| 3433 | Py_VISIT(self->names); |
| 3434 | |
| 3435 | return 0; |
| 3436 | } |
| 3437 | |
| 3438 | static int |
| 3439 | xmlparser_gc_clear(XMLParserObject *self) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3440 | { |
Victor Stinner | e727d41 | 2017-09-18 05:29:37 -0700 | [diff] [blame] | 3441 | if (self->parser != NULL) { |
| 3442 | XML_Parser parser = self->parser; |
| 3443 | self->parser = NULL; |
| 3444 | EXPAT(ParserFree)(parser); |
| 3445 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3446 | |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 3447 | Py_CLEAR(self->handle_close); |
| 3448 | Py_CLEAR(self->handle_pi); |
| 3449 | Py_CLEAR(self->handle_comment); |
| 3450 | Py_CLEAR(self->handle_end); |
| 3451 | Py_CLEAR(self->handle_data); |
| 3452 | Py_CLEAR(self->handle_start); |
| 3453 | Py_CLEAR(self->handle_doctype); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3454 | |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 3455 | Py_CLEAR(self->target); |
| 3456 | Py_CLEAR(self->entity); |
| 3457 | Py_CLEAR(self->names); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3458 | |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3459 | return 0; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3460 | } |
| 3461 | |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3462 | static void |
| 3463 | xmlparser_dealloc(XMLParserObject* self) |
| 3464 | { |
| 3465 | PyObject_GC_UnTrack(self); |
| 3466 | xmlparser_gc_clear(self); |
| 3467 | Py_TYPE(self)->tp_free((PyObject *)self); |
| 3468 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3469 | |
| 3470 | LOCAL(PyObject*) |
Serhiy Storchaka | 66d53fa | 2013-05-22 17:07:51 +0300 | [diff] [blame] | 3471 | expat_parse(XMLParserObject* self, const char* data, int data_len, int final) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3472 | { |
| 3473 | int ok; |
| 3474 | |
Victor Stinner | 3fd8cbd | 2013-07-18 22:46:14 +0200 | [diff] [blame] | 3475 | assert(!PyErr_Occurred()); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3476 | ok = EXPAT(Parse)(self->parser, data, data_len, final); |
| 3477 | |
| 3478 | if (PyErr_Occurred()) |
| 3479 | return NULL; |
| 3480 | |
| 3481 | if (!ok) { |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 3482 | expat_set_error( |
Eli Bendersky | 5b77d81 | 2012-03-16 08:20:05 +0200 | [diff] [blame] | 3483 | EXPAT(GetErrorCode)(self->parser), |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3484 | EXPAT(GetErrorLineNumber)(self->parser), |
Eli Bendersky | 5b77d81 | 2012-03-16 08:20:05 +0200 | [diff] [blame] | 3485 | EXPAT(GetErrorColumnNumber)(self->parser), |
| 3486 | NULL |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3487 | ); |
| 3488 | return NULL; |
| 3489 | } |
| 3490 | |
| 3491 | Py_RETURN_NONE; |
| 3492 | } |
| 3493 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3494 | /*[clinic input] |
| 3495 | _elementtree.XMLParser.close |
| 3496 | |
| 3497 | [clinic start generated code]*/ |
| 3498 | |
| 3499 | static PyObject * |
| 3500 | _elementtree_XMLParser_close_impl(XMLParserObject *self) |
| 3501 | /*[clinic end generated code: output=d68d375dd23bc7fb input=ca7909ca78c3abfe]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3502 | { |
| 3503 | /* end feeding data to parser */ |
| 3504 | |
| 3505 | PyObject* res; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3506 | res = expat_parse(self, "", 0, 1); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 3507 | if (!res) |
| 3508 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3509 | |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 3510 | if (TreeBuilder_CheckExact(self->target)) { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3511 | Py_DECREF(res); |
| 3512 | return treebuilder_done((TreeBuilderObject*) self->target); |
Eli Bendersky | 6eb50b1 | 2013-08-24 15:17:08 -0700 | [diff] [blame] | 3513 | } |
| 3514 | else if (self->handle_close) { |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 3515 | Py_DECREF(res); |
Victor Stinner | 3466bde | 2016-09-05 18:16:01 -0700 | [diff] [blame] | 3516 | return _PyObject_CallNoArg(self->handle_close); |
Eli Bendersky | 6eb50b1 | 2013-08-24 15:17:08 -0700 | [diff] [blame] | 3517 | } |
| 3518 | else { |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 3519 | return res; |
Eli Bendersky | 6eb50b1 | 2013-08-24 15:17:08 -0700 | [diff] [blame] | 3520 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3521 | } |
| 3522 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3523 | /*[clinic input] |
| 3524 | _elementtree.XMLParser.feed |
| 3525 | |
| 3526 | data: object |
| 3527 | / |
| 3528 | |
| 3529 | [clinic start generated code]*/ |
| 3530 | |
| 3531 | static PyObject * |
| 3532 | _elementtree_XMLParser_feed(XMLParserObject *self, PyObject *data) |
| 3533 | /*[clinic end generated code: output=e42b6a78eec7446d input=fe231b6b8de3ce1f]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3534 | { |
| 3535 | /* feed data to parser */ |
| 3536 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3537 | if (PyUnicode_Check(data)) { |
Serhiy Storchaka | 66d53fa | 2013-05-22 17:07:51 +0300 | [diff] [blame] | 3538 | Py_ssize_t data_len; |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3539 | const char *data_ptr = PyUnicode_AsUTF8AndSize(data, &data_len); |
| 3540 | if (data_ptr == NULL) |
Serhiy Storchaka | 66d53fa | 2013-05-22 17:07:51 +0300 | [diff] [blame] | 3541 | return NULL; |
| 3542 | if (data_len > INT_MAX) { |
| 3543 | PyErr_SetString(PyExc_OverflowError, "size does not fit in an int"); |
| 3544 | return NULL; |
| 3545 | } |
| 3546 | /* Explicitly set UTF-8 encoding. Return code ignored. */ |
| 3547 | (void)EXPAT(SetEncoding)(self->parser, "utf-8"); |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3548 | return expat_parse(self, data_ptr, (int)data_len, 0); |
Serhiy Storchaka | 66d53fa | 2013-05-22 17:07:51 +0300 | [diff] [blame] | 3549 | } |
| 3550 | else { |
| 3551 | Py_buffer view; |
| 3552 | PyObject *res; |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3553 | if (PyObject_GetBuffer(data, &view, PyBUF_SIMPLE) < 0) |
Serhiy Storchaka | 66d53fa | 2013-05-22 17:07:51 +0300 | [diff] [blame] | 3554 | return NULL; |
| 3555 | if (view.len > INT_MAX) { |
| 3556 | PyBuffer_Release(&view); |
| 3557 | PyErr_SetString(PyExc_OverflowError, "size does not fit in an int"); |
| 3558 | return NULL; |
| 3559 | } |
| 3560 | res = expat_parse(self, view.buf, (int)view.len, 0); |
| 3561 | PyBuffer_Release(&view); |
| 3562 | return res; |
| 3563 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3564 | } |
| 3565 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3566 | /*[clinic input] |
| 3567 | _elementtree.XMLParser._parse_whole |
| 3568 | |
| 3569 | file: object |
| 3570 | / |
| 3571 | |
| 3572 | [clinic start generated code]*/ |
| 3573 | |
| 3574 | static PyObject * |
| 3575 | _elementtree_XMLParser__parse_whole(XMLParserObject *self, PyObject *file) |
| 3576 | /*[clinic end generated code: output=f797197bb818dda3 input=19ecc893b6f3e752]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3577 | { |
Eli Bendersky | a369923 | 2013-05-19 18:47:23 -0700 | [diff] [blame] | 3578 | /* (internal) parse the whole input, until end of stream */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3579 | PyObject* reader; |
| 3580 | PyObject* buffer; |
Eli Bendersky | f996e77 | 2012-03-16 05:53:30 +0200 | [diff] [blame] | 3581 | PyObject* temp; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3582 | PyObject* res; |
| 3583 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3584 | reader = PyObject_GetAttrString(file, "read"); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3585 | if (!reader) |
| 3586 | return NULL; |
Victor Stinner | bfc7bf0 | 2011-03-21 13:23:42 +0100 | [diff] [blame] | 3587 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3588 | /* read from open file object */ |
| 3589 | for (;;) { |
| 3590 | |
| 3591 | buffer = PyObject_CallFunction(reader, "i", 64*1024); |
| 3592 | |
| 3593 | if (!buffer) { |
| 3594 | /* read failed (e.g. due to KeyboardInterrupt) */ |
| 3595 | Py_DECREF(reader); |
| 3596 | return NULL; |
| 3597 | } |
| 3598 | |
Eli Bendersky | f996e77 | 2012-03-16 05:53:30 +0200 | [diff] [blame] | 3599 | if (PyUnicode_CheckExact(buffer)) { |
| 3600 | /* A unicode object is encoded into bytes using UTF-8 */ |
Victor Stinner | 59799a8 | 2013-11-13 14:17:30 +0100 | [diff] [blame] | 3601 | if (PyUnicode_GET_LENGTH(buffer) == 0) { |
Eli Bendersky | f996e77 | 2012-03-16 05:53:30 +0200 | [diff] [blame] | 3602 | Py_DECREF(buffer); |
| 3603 | break; |
| 3604 | } |
| 3605 | temp = PyUnicode_AsEncodedString(buffer, "utf-8", "surrogatepass"); |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 3606 | Py_DECREF(buffer); |
Eli Bendersky | f996e77 | 2012-03-16 05:53:30 +0200 | [diff] [blame] | 3607 | if (!temp) { |
| 3608 | /* Propagate exception from PyUnicode_AsEncodedString */ |
Eli Bendersky | f996e77 | 2012-03-16 05:53:30 +0200 | [diff] [blame] | 3609 | Py_DECREF(reader); |
| 3610 | return NULL; |
| 3611 | } |
Eli Bendersky | f996e77 | 2012-03-16 05:53:30 +0200 | [diff] [blame] | 3612 | buffer = temp; |
| 3613 | } |
| 3614 | else if (!PyBytes_CheckExact(buffer) || PyBytes_GET_SIZE(buffer) == 0) { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3615 | Py_DECREF(buffer); |
| 3616 | break; |
| 3617 | } |
| 3618 | |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 3619 | if (PyBytes_GET_SIZE(buffer) > INT_MAX) { |
| 3620 | Py_DECREF(buffer); |
| 3621 | Py_DECREF(reader); |
| 3622 | PyErr_SetString(PyExc_OverflowError, "size does not fit in an int"); |
| 3623 | return NULL; |
| 3624 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3625 | res = expat_parse( |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 3626 | self, PyBytes_AS_STRING(buffer), (int)PyBytes_GET_SIZE(buffer), 0 |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3627 | ); |
| 3628 | |
| 3629 | Py_DECREF(buffer); |
| 3630 | |
| 3631 | if (!res) { |
| 3632 | Py_DECREF(reader); |
| 3633 | return NULL; |
| 3634 | } |
| 3635 | Py_DECREF(res); |
| 3636 | |
| 3637 | } |
| 3638 | |
| 3639 | Py_DECREF(reader); |
| 3640 | |
| 3641 | res = expat_parse(self, "", 0, 1); |
| 3642 | |
| 3643 | if (res && TreeBuilder_CheckExact(self->target)) { |
| 3644 | Py_DECREF(res); |
| 3645 | return treebuilder_done((TreeBuilderObject*) self->target); |
| 3646 | } |
| 3647 | |
| 3648 | return res; |
| 3649 | } |
| 3650 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3651 | /*[clinic input] |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3652 | _elementtree.XMLParser._setevents |
| 3653 | |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 3654 | events_queue: object |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3655 | events_to_report: object = None |
| 3656 | / |
| 3657 | |
| 3658 | [clinic start generated code]*/ |
| 3659 | |
| 3660 | static PyObject * |
| 3661 | _elementtree_XMLParser__setevents_impl(XMLParserObject *self, |
| 3662 | PyObject *events_queue, |
| 3663 | PyObject *events_to_report) |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 3664 | /*[clinic end generated code: output=1440092922b13ed1 input=abf90830a1c3b0fc]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3665 | { |
| 3666 | /* activate element event reporting */ |
Serhiy Storchaka | bc4ded95 | 2015-12-24 11:51:57 +0200 | [diff] [blame] | 3667 | Py_ssize_t i; |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3668 | TreeBuilderObject *target; |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 3669 | PyObject *events_append, *events_seq; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3670 | |
| 3671 | if (!TreeBuilder_CheckExact(self->target)) { |
| 3672 | PyErr_SetString( |
| 3673 | PyExc_TypeError, |
Florent Xicluna | a72a98f | 2012-02-13 11:03:30 +0100 | [diff] [blame] | 3674 | "event handling only supported for ElementTree.TreeBuilder " |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3675 | "targets" |
| 3676 | ); |
| 3677 | return NULL; |
| 3678 | } |
| 3679 | |
| 3680 | target = (TreeBuilderObject*) self->target; |
| 3681 | |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 3682 | events_append = PyObject_GetAttrString(events_queue, "append"); |
| 3683 | if (events_append == NULL) |
| 3684 | return NULL; |
Serhiy Storchaka | ec39756 | 2016-04-06 09:50:03 +0300 | [diff] [blame] | 3685 | Py_XSETREF(target->events_append, events_append); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3686 | |
| 3687 | /* clear out existing events */ |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 3688 | Py_CLEAR(target->start_event_obj); |
| 3689 | Py_CLEAR(target->end_event_obj); |
| 3690 | Py_CLEAR(target->start_ns_event_obj); |
| 3691 | Py_CLEAR(target->end_ns_event_obj); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3692 | |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3693 | if (events_to_report == Py_None) { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3694 | /* default is "end" only */ |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 3695 | target->end_event_obj = PyUnicode_FromString("end"); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3696 | Py_RETURN_NONE; |
| 3697 | } |
| 3698 | |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3699 | if (!(events_seq = PySequence_Fast(events_to_report, |
| 3700 | "events must be a sequence"))) { |
| 3701 | return NULL; |
| 3702 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3703 | |
Serhiy Storchaka | bf623ae | 2017-04-19 20:03:52 +0300 | [diff] [blame] | 3704 | for (i = 0; i < PySequence_Fast_GET_SIZE(events_seq); ++i) { |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3705 | PyObject *event_name_obj = PySequence_Fast_GET_ITEM(events_seq, i); |
Serhiy Storchaka | 85b0f5b | 2016-11-20 10:16:47 +0200 | [diff] [blame] | 3706 | const char *event_name = NULL; |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3707 | if (PyUnicode_Check(event_name_obj)) { |
Serhiy Storchaka | bc4ded95 | 2015-12-24 11:51:57 +0200 | [diff] [blame] | 3708 | event_name = PyUnicode_AsUTF8(event_name_obj); |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3709 | } else if (PyBytes_Check(event_name_obj)) { |
| 3710 | event_name = PyBytes_AS_STRING(event_name_obj); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 3711 | } |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3712 | if (event_name == NULL) { |
| 3713 | Py_DECREF(events_seq); |
| 3714 | PyErr_Format(PyExc_ValueError, "invalid events sequence"); |
| 3715 | return NULL; |
Serhiy Storchaka | bc4ded95 | 2015-12-24 11:51:57 +0200 | [diff] [blame] | 3716 | } |
| 3717 | |
| 3718 | Py_INCREF(event_name_obj); |
| 3719 | if (strcmp(event_name, "start") == 0) { |
Serhiy Storchaka | 4884271 | 2016-04-06 09:45:48 +0300 | [diff] [blame] | 3720 | Py_XSETREF(target->start_event_obj, event_name_obj); |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3721 | } else if (strcmp(event_name, "end") == 0) { |
Serhiy Storchaka | 4884271 | 2016-04-06 09:45:48 +0300 | [diff] [blame] | 3722 | Py_XSETREF(target->end_event_obj, event_name_obj); |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3723 | } else if (strcmp(event_name, "start-ns") == 0) { |
Serhiy Storchaka | 4884271 | 2016-04-06 09:45:48 +0300 | [diff] [blame] | 3724 | Py_XSETREF(target->start_ns_event_obj, event_name_obj); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3725 | EXPAT(SetNamespaceDeclHandler)( |
| 3726 | self->parser, |
| 3727 | (XML_StartNamespaceDeclHandler) expat_start_ns_handler, |
| 3728 | (XML_EndNamespaceDeclHandler) expat_end_ns_handler |
| 3729 | ); |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3730 | } else if (strcmp(event_name, "end-ns") == 0) { |
Serhiy Storchaka | 4884271 | 2016-04-06 09:45:48 +0300 | [diff] [blame] | 3731 | Py_XSETREF(target->end_ns_event_obj, event_name_obj); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3732 | EXPAT(SetNamespaceDeclHandler)( |
| 3733 | self->parser, |
| 3734 | (XML_StartNamespaceDeclHandler) expat_start_ns_handler, |
| 3735 | (XML_EndNamespaceDeclHandler) expat_end_ns_handler |
| 3736 | ); |
| 3737 | } else { |
Serhiy Storchaka | bc4ded95 | 2015-12-24 11:51:57 +0200 | [diff] [blame] | 3738 | Py_DECREF(event_name_obj); |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3739 | Py_DECREF(events_seq); |
| 3740 | PyErr_Format(PyExc_ValueError, "unknown event '%s'", event_name); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3741 | return NULL; |
| 3742 | } |
| 3743 | } |
| 3744 | |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3745 | Py_DECREF(events_seq); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3746 | Py_RETURN_NONE; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3747 | } |
| 3748 | |
Serhiy Storchaka | b2953fa | 2018-10-04 10:41:27 +0300 | [diff] [blame] | 3749 | static PyMemberDef xmlparser_members[] = { |
| 3750 | {"entity", T_OBJECT, offsetof(XMLParserObject, entity), READONLY, NULL}, |
| 3751 | {"target", T_OBJECT, offsetof(XMLParserObject, target), READONLY, NULL}, |
| 3752 | {NULL} |
| 3753 | }; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3754 | |
Serhiy Storchaka | b2953fa | 2018-10-04 10:41:27 +0300 | [diff] [blame] | 3755 | static PyObject* |
| 3756 | xmlparser_version_getter(XMLParserObject *self, void *closure) |
| 3757 | { |
| 3758 | return PyUnicode_FromFormat( |
| 3759 | "Expat %d.%d.%d", XML_MAJOR_VERSION, |
| 3760 | XML_MINOR_VERSION, XML_MICRO_VERSION); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3761 | } |
| 3762 | |
Serhiy Storchaka | b2953fa | 2018-10-04 10:41:27 +0300 | [diff] [blame] | 3763 | static PyGetSetDef xmlparser_getsetlist[] = { |
| 3764 | {"version", (getter)xmlparser_version_getter, NULL, NULL}, |
| 3765 | {NULL}, |
| 3766 | }; |
| 3767 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3768 | #include "clinic/_elementtree.c.h" |
| 3769 | |
| 3770 | static PyMethodDef element_methods[] = { |
| 3771 | |
| 3772 | _ELEMENTTREE_ELEMENT_CLEAR_METHODDEF |
| 3773 | |
| 3774 | _ELEMENTTREE_ELEMENT_GET_METHODDEF |
| 3775 | _ELEMENTTREE_ELEMENT_SET_METHODDEF |
| 3776 | |
| 3777 | _ELEMENTTREE_ELEMENT_FIND_METHODDEF |
| 3778 | _ELEMENTTREE_ELEMENT_FINDTEXT_METHODDEF |
| 3779 | _ELEMENTTREE_ELEMENT_FINDALL_METHODDEF |
| 3780 | |
| 3781 | _ELEMENTTREE_ELEMENT_APPEND_METHODDEF |
| 3782 | _ELEMENTTREE_ELEMENT_EXTEND_METHODDEF |
| 3783 | _ELEMENTTREE_ELEMENT_INSERT_METHODDEF |
| 3784 | _ELEMENTTREE_ELEMENT_REMOVE_METHODDEF |
| 3785 | |
| 3786 | _ELEMENTTREE_ELEMENT_ITER_METHODDEF |
| 3787 | _ELEMENTTREE_ELEMENT_ITERTEXT_METHODDEF |
| 3788 | _ELEMENTTREE_ELEMENT_ITERFIND_METHODDEF |
| 3789 | |
Serhiy Storchaka | 762ec97 | 2017-03-30 18:12:06 +0300 | [diff] [blame] | 3790 | _ELEMENTTREE_ELEMENT_GETITERATOR_METHODDEF |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3791 | _ELEMENTTREE_ELEMENT_GETCHILDREN_METHODDEF |
| 3792 | |
| 3793 | _ELEMENTTREE_ELEMENT_ITEMS_METHODDEF |
| 3794 | _ELEMENTTREE_ELEMENT_KEYS_METHODDEF |
| 3795 | |
| 3796 | _ELEMENTTREE_ELEMENT_MAKEELEMENT_METHODDEF |
| 3797 | |
| 3798 | _ELEMENTTREE_ELEMENT___COPY___METHODDEF |
| 3799 | _ELEMENTTREE_ELEMENT___DEEPCOPY___METHODDEF |
| 3800 | _ELEMENTTREE_ELEMENT___SIZEOF___METHODDEF |
| 3801 | _ELEMENTTREE_ELEMENT___GETSTATE___METHODDEF |
| 3802 | _ELEMENTTREE_ELEMENT___SETSTATE___METHODDEF |
| 3803 | |
| 3804 | {NULL, NULL} |
| 3805 | }; |
| 3806 | |
| 3807 | static PyMappingMethods element_as_mapping = { |
| 3808 | (lenfunc) element_length, |
| 3809 | (binaryfunc) element_subscr, |
| 3810 | (objobjargproc) element_ass_subscr, |
| 3811 | }; |
| 3812 | |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 3813 | static PyGetSetDef element_getsetlist[] = { |
| 3814 | {"tag", |
| 3815 | (getter)element_tag_getter, |
| 3816 | (setter)element_tag_setter, |
| 3817 | "A string identifying what kind of data this element represents"}, |
| 3818 | {"text", |
| 3819 | (getter)element_text_getter, |
| 3820 | (setter)element_text_setter, |
| 3821 | "A string of text directly after the start tag, or None"}, |
| 3822 | {"tail", |
| 3823 | (getter)element_tail_getter, |
| 3824 | (setter)element_tail_setter, |
| 3825 | "A string of text directly after the end tag, or None"}, |
| 3826 | {"attrib", |
| 3827 | (getter)element_attrib_getter, |
| 3828 | (setter)element_attrib_setter, |
| 3829 | "A dictionary containing the element's attributes"}, |
| 3830 | {NULL}, |
| 3831 | }; |
| 3832 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3833 | static PyTypeObject Element_Type = { |
| 3834 | PyVarObject_HEAD_INIT(NULL, 0) |
| 3835 | "xml.etree.ElementTree.Element", sizeof(ElementObject), 0, |
| 3836 | /* methods */ |
| 3837 | (destructor)element_dealloc, /* tp_dealloc */ |
| 3838 | 0, /* tp_print */ |
| 3839 | 0, /* tp_getattr */ |
| 3840 | 0, /* tp_setattr */ |
| 3841 | 0, /* tp_reserved */ |
| 3842 | (reprfunc)element_repr, /* tp_repr */ |
| 3843 | 0, /* tp_as_number */ |
| 3844 | &element_as_sequence, /* tp_as_sequence */ |
| 3845 | &element_as_mapping, /* tp_as_mapping */ |
| 3846 | 0, /* tp_hash */ |
| 3847 | 0, /* tp_call */ |
| 3848 | 0, /* tp_str */ |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 3849 | PyObject_GenericGetAttr, /* tp_getattro */ |
| 3850 | 0, /* tp_setattro */ |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3851 | 0, /* tp_as_buffer */ |
| 3852 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC, |
| 3853 | /* tp_flags */ |
| 3854 | 0, /* tp_doc */ |
| 3855 | (traverseproc)element_gc_traverse, /* tp_traverse */ |
| 3856 | (inquiry)element_gc_clear, /* tp_clear */ |
| 3857 | 0, /* tp_richcompare */ |
| 3858 | offsetof(ElementObject, weakreflist), /* tp_weaklistoffset */ |
| 3859 | 0, /* tp_iter */ |
| 3860 | 0, /* tp_iternext */ |
| 3861 | element_methods, /* tp_methods */ |
| 3862 | 0, /* tp_members */ |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 3863 | element_getsetlist, /* tp_getset */ |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3864 | 0, /* tp_base */ |
| 3865 | 0, /* tp_dict */ |
| 3866 | 0, /* tp_descr_get */ |
| 3867 | 0, /* tp_descr_set */ |
| 3868 | 0, /* tp_dictoffset */ |
| 3869 | (initproc)element_init, /* tp_init */ |
| 3870 | PyType_GenericAlloc, /* tp_alloc */ |
| 3871 | element_new, /* tp_new */ |
| 3872 | 0, /* tp_free */ |
| 3873 | }; |
| 3874 | |
| 3875 | static PyMethodDef treebuilder_methods[] = { |
| 3876 | _ELEMENTTREE_TREEBUILDER_DATA_METHODDEF |
| 3877 | _ELEMENTTREE_TREEBUILDER_START_METHODDEF |
| 3878 | _ELEMENTTREE_TREEBUILDER_END_METHODDEF |
| 3879 | _ELEMENTTREE_TREEBUILDER_CLOSE_METHODDEF |
| 3880 | {NULL, NULL} |
| 3881 | }; |
| 3882 | |
| 3883 | static PyTypeObject TreeBuilder_Type = { |
| 3884 | PyVarObject_HEAD_INIT(NULL, 0) |
| 3885 | "xml.etree.ElementTree.TreeBuilder", sizeof(TreeBuilderObject), 0, |
| 3886 | /* methods */ |
| 3887 | (destructor)treebuilder_dealloc, /* tp_dealloc */ |
| 3888 | 0, /* tp_print */ |
| 3889 | 0, /* tp_getattr */ |
| 3890 | 0, /* tp_setattr */ |
| 3891 | 0, /* tp_reserved */ |
| 3892 | 0, /* tp_repr */ |
| 3893 | 0, /* tp_as_number */ |
| 3894 | 0, /* tp_as_sequence */ |
| 3895 | 0, /* tp_as_mapping */ |
| 3896 | 0, /* tp_hash */ |
| 3897 | 0, /* tp_call */ |
| 3898 | 0, /* tp_str */ |
| 3899 | 0, /* tp_getattro */ |
| 3900 | 0, /* tp_setattro */ |
| 3901 | 0, /* tp_as_buffer */ |
| 3902 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC, |
| 3903 | /* tp_flags */ |
| 3904 | 0, /* tp_doc */ |
| 3905 | (traverseproc)treebuilder_gc_traverse, /* tp_traverse */ |
| 3906 | (inquiry)treebuilder_gc_clear, /* tp_clear */ |
| 3907 | 0, /* tp_richcompare */ |
| 3908 | 0, /* tp_weaklistoffset */ |
| 3909 | 0, /* tp_iter */ |
| 3910 | 0, /* tp_iternext */ |
| 3911 | treebuilder_methods, /* tp_methods */ |
| 3912 | 0, /* tp_members */ |
| 3913 | 0, /* tp_getset */ |
| 3914 | 0, /* tp_base */ |
| 3915 | 0, /* tp_dict */ |
| 3916 | 0, /* tp_descr_get */ |
| 3917 | 0, /* tp_descr_set */ |
| 3918 | 0, /* tp_dictoffset */ |
| 3919 | _elementtree_TreeBuilder___init__, /* tp_init */ |
| 3920 | PyType_GenericAlloc, /* tp_alloc */ |
| 3921 | treebuilder_new, /* tp_new */ |
| 3922 | 0, /* tp_free */ |
| 3923 | }; |
| 3924 | |
| 3925 | static PyMethodDef xmlparser_methods[] = { |
| 3926 | _ELEMENTTREE_XMLPARSER_FEED_METHODDEF |
| 3927 | _ELEMENTTREE_XMLPARSER_CLOSE_METHODDEF |
| 3928 | _ELEMENTTREE_XMLPARSER__PARSE_WHOLE_METHODDEF |
| 3929 | _ELEMENTTREE_XMLPARSER__SETEVENTS_METHODDEF |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3930 | {NULL, NULL} |
| 3931 | }; |
| 3932 | |
Neal Norwitz | 227b533 | 2006-03-22 09:28:35 +0000 | [diff] [blame] | 3933 | static PyTypeObject XMLParser_Type = { |
Martin v. Löwis | 9f2e346 | 2007-07-21 17:22:18 +0000 | [diff] [blame] | 3934 | PyVarObject_HEAD_INIT(NULL, 0) |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 3935 | "xml.etree.ElementTree.XMLParser", sizeof(XMLParserObject), 0, |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3936 | /* methods */ |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3937 | (destructor)xmlparser_dealloc, /* tp_dealloc */ |
| 3938 | 0, /* tp_print */ |
| 3939 | 0, /* tp_getattr */ |
| 3940 | 0, /* tp_setattr */ |
| 3941 | 0, /* tp_reserved */ |
| 3942 | 0, /* tp_repr */ |
| 3943 | 0, /* tp_as_number */ |
| 3944 | 0, /* tp_as_sequence */ |
| 3945 | 0, /* tp_as_mapping */ |
| 3946 | 0, /* tp_hash */ |
| 3947 | 0, /* tp_call */ |
| 3948 | 0, /* tp_str */ |
Serhiy Storchaka | b2953fa | 2018-10-04 10:41:27 +0300 | [diff] [blame] | 3949 | 0, /* tp_getattro */ |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3950 | 0, /* tp_setattro */ |
| 3951 | 0, /* tp_as_buffer */ |
| 3952 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC, |
| 3953 | /* tp_flags */ |
| 3954 | 0, /* tp_doc */ |
| 3955 | (traverseproc)xmlparser_gc_traverse, /* tp_traverse */ |
| 3956 | (inquiry)xmlparser_gc_clear, /* tp_clear */ |
| 3957 | 0, /* tp_richcompare */ |
| 3958 | 0, /* tp_weaklistoffset */ |
| 3959 | 0, /* tp_iter */ |
| 3960 | 0, /* tp_iternext */ |
| 3961 | xmlparser_methods, /* tp_methods */ |
Serhiy Storchaka | b2953fa | 2018-10-04 10:41:27 +0300 | [diff] [blame] | 3962 | xmlparser_members, /* tp_members */ |
| 3963 | xmlparser_getsetlist, /* tp_getset */ |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3964 | 0, /* tp_base */ |
| 3965 | 0, /* tp_dict */ |
| 3966 | 0, /* tp_descr_get */ |
| 3967 | 0, /* tp_descr_set */ |
| 3968 | 0, /* tp_dictoffset */ |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3969 | _elementtree_XMLParser___init__, /* tp_init */ |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3970 | PyType_GenericAlloc, /* tp_alloc */ |
| 3971 | xmlparser_new, /* tp_new */ |
| 3972 | 0, /* tp_free */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3973 | }; |
| 3974 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3975 | /* ==================================================================== */ |
| 3976 | /* python module interface */ |
| 3977 | |
| 3978 | static PyMethodDef _functions[] = { |
Serhiy Storchaka | 62be742 | 2018-11-27 13:27:31 +0200 | [diff] [blame] | 3979 | {"SubElement", (PyCFunction)(void(*)(void)) subelement, METH_VARARGS | METH_KEYWORDS}, |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3980 | {NULL, NULL} |
| 3981 | }; |
| 3982 | |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 3983 | |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 3984 | static struct PyModuleDef elementtreemodule = { |
| 3985 | PyModuleDef_HEAD_INIT, |
| 3986 | "_elementtree", |
| 3987 | NULL, |
| 3988 | sizeof(elementtreestate), |
| 3989 | _functions, |
| 3990 | NULL, |
| 3991 | elementtree_traverse, |
| 3992 | elementtree_clear, |
| 3993 | elementtree_free |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 3994 | }; |
| 3995 | |
Neal Norwitz | f6657e6 | 2006-12-28 04:47:50 +0000 | [diff] [blame] | 3996 | PyMODINIT_FUNC |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 3997 | PyInit__elementtree(void) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3998 | { |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 3999 | PyObject *m, *temp; |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 4000 | elementtreestate *st; |
| 4001 | |
| 4002 | m = PyState_FindModule(&elementtreemodule); |
| 4003 | if (m) { |
| 4004 | Py_INCREF(m); |
| 4005 | return m; |
| 4006 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 4007 | |
Amaury Forgeot d'Arc | ba4105c | 2008-07-02 21:41:01 +0000 | [diff] [blame] | 4008 | /* Initialize object types */ |
Ronald Oussoren | 138d080 | 2013-07-19 11:11:25 +0200 | [diff] [blame] | 4009 | if (PyType_Ready(&ElementIter_Type) < 0) |
| 4010 | return NULL; |
Amaury Forgeot d'Arc | ba4105c | 2008-07-02 21:41:01 +0000 | [diff] [blame] | 4011 | if (PyType_Ready(&TreeBuilder_Type) < 0) |
Alexander Belopolsky | f0f4514 | 2010-08-11 17:31:17 +0000 | [diff] [blame] | 4012 | return NULL; |
Amaury Forgeot d'Arc | ba4105c | 2008-07-02 21:41:01 +0000 | [diff] [blame] | 4013 | if (PyType_Ready(&Element_Type) < 0) |
Alexander Belopolsky | f0f4514 | 2010-08-11 17:31:17 +0000 | [diff] [blame] | 4014 | return NULL; |
Amaury Forgeot d'Arc | ba4105c | 2008-07-02 21:41:01 +0000 | [diff] [blame] | 4015 | if (PyType_Ready(&XMLParser_Type) < 0) |
Alexander Belopolsky | f0f4514 | 2010-08-11 17:31:17 +0000 | [diff] [blame] | 4016 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 4017 | |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 4018 | m = PyModule_Create(&elementtreemodule); |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 4019 | if (!m) |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 4020 | return NULL; |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 4021 | st = ET_STATE(m); |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 4022 | |
Eli Bendersky | 828efde | 2012-04-05 05:40:58 +0300 | [diff] [blame] | 4023 | if (!(temp = PyImport_ImportModule("copy"))) |
| 4024 | return NULL; |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 4025 | st->deepcopy_obj = PyObject_GetAttrString(temp, "deepcopy"); |
Eli Bendersky | 828efde | 2012-04-05 05:40:58 +0300 | [diff] [blame] | 4026 | Py_XDECREF(temp); |
| 4027 | |
Victor Stinner | b136f11 | 2017-07-10 22:28:02 +0200 | [diff] [blame] | 4028 | if (st->deepcopy_obj == NULL) { |
| 4029 | return NULL; |
| 4030 | } |
| 4031 | |
| 4032 | assert(!PyErr_Occurred()); |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 4033 | if (!(st->elementpath_obj = PyImport_ImportModule("xml.etree.ElementPath"))) |
Eli Bendersky | 828efde | 2012-04-05 05:40:58 +0300 | [diff] [blame] | 4034 | return NULL; |
| 4035 | |
Eli Bendersky | 20d4174 | 2012-06-01 09:48:37 +0300 | [diff] [blame] | 4036 | /* link against pyexpat */ |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 4037 | expat_capi = PyCapsule_Import(PyExpat_CAPSULE_NAME, 0); |
| 4038 | if (expat_capi) { |
| 4039 | /* check that it's usable */ |
| 4040 | if (strcmp(expat_capi->magic, PyExpat_CAPI_MAGIC) != 0 || |
Victor Stinner | 706768c | 2014-08-16 01:03:39 +0200 | [diff] [blame] | 4041 | (size_t)expat_capi->size < sizeof(struct PyExpat_CAPI) || |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 4042 | expat_capi->MAJOR_VERSION != XML_MAJOR_VERSION || |
| 4043 | expat_capi->MINOR_VERSION != XML_MINOR_VERSION || |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 4044 | expat_capi->MICRO_VERSION != XML_MICRO_VERSION) { |
Eli Bendersky | ef391ac | 2012-07-21 20:28:46 +0300 | [diff] [blame] | 4045 | PyErr_SetString(PyExc_ImportError, |
| 4046 | "pyexpat version is incompatible"); |
| 4047 | return NULL; |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 4048 | } |
Eli Bendersky | ef391ac | 2012-07-21 20:28:46 +0300 | [diff] [blame] | 4049 | } else { |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 4050 | return NULL; |
Eli Bendersky | ef391ac | 2012-07-21 20:28:46 +0300 | [diff] [blame] | 4051 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 4052 | |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 4053 | st->parseerror_obj = PyErr_NewException( |
Florent Xicluna | a72a98f | 2012-02-13 11:03:30 +0100 | [diff] [blame] | 4054 | "xml.etree.ElementTree.ParseError", PyExc_SyntaxError, NULL |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 4055 | ); |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 4056 | Py_INCREF(st->parseerror_obj); |
| 4057 | PyModule_AddObject(m, "ParseError", st->parseerror_obj); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 4058 | |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 4059 | Py_INCREF((PyObject *)&Element_Type); |
| 4060 | PyModule_AddObject(m, "Element", (PyObject *)&Element_Type); |
| 4061 | |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 4062 | Py_INCREF((PyObject *)&TreeBuilder_Type); |
| 4063 | PyModule_AddObject(m, "TreeBuilder", (PyObject *)&TreeBuilder_Type); |
| 4064 | |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 4065 | Py_INCREF((PyObject *)&XMLParser_Type); |
| 4066 | PyModule_AddObject(m, "XMLParser", (PyObject *)&XMLParser_Type); |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 4067 | |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 4068 | return m; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 4069 | } |