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"); |
| 339 | PyObject *attrib = PyDict_GetItem(kwds, attrib_str); |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 340 | |
| 341 | if (attrib) { |
| 342 | /* If attrib was found in kwds, copy its value and remove it from |
| 343 | * kwds |
| 344 | */ |
| 345 | if (!PyDict_Check(attrib)) { |
Eli Bendersky | 45f3d2f | 2013-04-24 05:34:07 -0700 | [diff] [blame] | 346 | Py_DECREF(attrib_str); |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 347 | PyErr_Format(PyExc_TypeError, "attrib must be dict, not %.100s", |
| 348 | Py_TYPE(attrib)->tp_name); |
| 349 | return NULL; |
| 350 | } |
| 351 | attrib = PyDict_Copy(attrib); |
Eli Bendersky | 45f3d2f | 2013-04-24 05:34:07 -0700 | [diff] [blame] | 352 | PyDict_DelItem(kwds, attrib_str); |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 353 | } else { |
| 354 | attrib = PyDict_New(); |
| 355 | } |
Eli Bendersky | 45f3d2f | 2013-04-24 05:34:07 -0700 | [diff] [blame] | 356 | |
| 357 | Py_DECREF(attrib_str); |
| 358 | |
| 359 | /* attrib can be NULL if PyDict_New failed */ |
| 360 | if (attrib) |
Christian Heimes | 7ed4294 | 2013-07-20 15:12:09 +0200 | [diff] [blame] | 361 | if (PyDict_Update(attrib, kwds) < 0) |
| 362 | return NULL; |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 363 | return attrib; |
| 364 | } |
| 365 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 366 | /*[clinic input] |
| 367 | module _elementtree |
| 368 | class _elementtree.Element "ElementObject *" "&Element_Type" |
| 369 | class _elementtree.TreeBuilder "TreeBuilderObject *" "&TreeBuilder_Type" |
| 370 | class _elementtree.XMLParser "XMLParserObject *" "&XMLParser_Type" |
| 371 | [clinic start generated code]*/ |
| 372 | /*[clinic end generated code: output=da39a3ee5e6b4b0d input=159aa50a54061c22]*/ |
| 373 | |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 374 | static int |
| 375 | element_init(PyObject *self, PyObject *args, PyObject *kwds) |
| 376 | { |
| 377 | PyObject *tag; |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 378 | PyObject *attrib = NULL; |
| 379 | ElementObject *self_elem; |
| 380 | |
| 381 | if (!PyArg_ParseTuple(args, "O|O!:Element", &tag, &PyDict_Type, &attrib)) |
| 382 | return -1; |
| 383 | |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 384 | if (attrib) { |
| 385 | /* attrib passed as positional arg */ |
| 386 | attrib = PyDict_Copy(attrib); |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 387 | if (!attrib) |
| 388 | return -1; |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 389 | if (kwds) { |
| 390 | if (PyDict_Update(attrib, kwds) < 0) { |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 391 | Py_DECREF(attrib); |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 392 | return -1; |
| 393 | } |
| 394 | } |
| 395 | } else if (kwds) { |
| 396 | /* have keywords args */ |
| 397 | attrib = get_attrib_from_keywords(kwds); |
| 398 | if (!attrib) |
| 399 | return -1; |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 400 | } |
| 401 | |
| 402 | self_elem = (ElementObject *)self; |
| 403 | |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 404 | if (attrib != NULL && !is_empty_dict(attrib)) { |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 405 | if (create_extra(self_elem, attrib) < 0) { |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 406 | Py_DECREF(attrib); |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 407 | return -1; |
| 408 | } |
| 409 | } |
| 410 | |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 411 | /* 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] | 412 | Py_XDECREF(attrib); |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 413 | |
| 414 | /* Replace the objects already pointed to by tag, text and tail. */ |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 415 | Py_INCREF(tag); |
Serhiy Storchaka | ec39756 | 2016-04-06 09:50:03 +0300 | [diff] [blame] | 416 | Py_XSETREF(self_elem->tag, tag); |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 417 | |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 418 | Py_INCREF(Py_None); |
Oren Milman | 39ecb9c | 2017-10-10 23:26:24 +0300 | [diff] [blame] | 419 | _set_joined_ptr(&self_elem->text, Py_None); |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 420 | |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 421 | Py_INCREF(Py_None); |
Oren Milman | 39ecb9c | 2017-10-10 23:26:24 +0300 | [diff] [blame] | 422 | _set_joined_ptr(&self_elem->tail, Py_None); |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 423 | |
| 424 | return 0; |
| 425 | } |
| 426 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 427 | LOCAL(int) |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 428 | element_resize(ElementObject* self, Py_ssize_t extra) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 429 | { |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 430 | Py_ssize_t size; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 431 | PyObject* *children; |
| 432 | |
Serhiy Storchaka | 6f906b3 | 2018-10-18 09:49:54 +0300 | [diff] [blame^] | 433 | assert(extra >= 0); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 434 | /* make sure self->children can hold the given number of extra |
| 435 | elements. set an exception and return -1 if allocation failed */ |
| 436 | |
Victor Stinner | 5f0af23 | 2013-07-11 23:01:36 +0200 | [diff] [blame] | 437 | if (!self->extra) { |
| 438 | if (create_extra(self, NULL) < 0) |
| 439 | return -1; |
| 440 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 441 | |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 442 | size = self->extra->length + extra; /* never overflows */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 443 | |
| 444 | if (size > self->extra->allocated) { |
| 445 | /* use Python 2.4's list growth strategy */ |
| 446 | size = (size >> 3) + (size < 9 ? 3 : 6) + size; |
Christian Heimes | 679db4a | 2008-01-18 09:56:22 +0000 | [diff] [blame] | 447 | /* Coverity CID #182 size_error: Allocating 1 bytes to pointer "children" |
Victor Stinner | bfc7bf0 | 2011-03-21 13:23:42 +0100 | [diff] [blame] | 448 | * which needs at least 4 bytes. |
| 449 | * 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] | 450 | * be safe. |
| 451 | */ |
| 452 | size = size ? size : 1; |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 453 | if ((size_t)size > PY_SSIZE_T_MAX/sizeof(PyObject*)) |
| 454 | goto nomemory; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 455 | if (self->extra->children != self->extra->_children) { |
Christian Heimes | 679db4a | 2008-01-18 09:56:22 +0000 | [diff] [blame] | 456 | /* Coverity CID #182 size_error: Allocating 1 bytes to pointer |
Victor Stinner | bfc7bf0 | 2011-03-21 13:23:42 +0100 | [diff] [blame] | 457 | * "children", which needs at least 4 bytes. Although it's a |
Christian Heimes | 679db4a | 2008-01-18 09:56:22 +0000 | [diff] [blame] | 458 | * false alarm always assume at least one child to be safe. |
| 459 | */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 460 | children = PyObject_Realloc(self->extra->children, |
| 461 | size * sizeof(PyObject*)); |
| 462 | if (!children) |
| 463 | goto nomemory; |
| 464 | } else { |
| 465 | children = PyObject_Malloc(size * sizeof(PyObject*)); |
| 466 | if (!children) |
| 467 | goto nomemory; |
| 468 | /* copy existing children from static area to malloc buffer */ |
| 469 | memcpy(children, self->extra->children, |
| 470 | self->extra->length * sizeof(PyObject*)); |
| 471 | } |
| 472 | self->extra->children = children; |
| 473 | self->extra->allocated = size; |
| 474 | } |
| 475 | |
| 476 | return 0; |
| 477 | |
| 478 | nomemory: |
| 479 | PyErr_NoMemory(); |
| 480 | return -1; |
| 481 | } |
| 482 | |
| 483 | LOCAL(int) |
| 484 | element_add_subelement(ElementObject* self, PyObject* element) |
| 485 | { |
| 486 | /* add a child element to a parent */ |
| 487 | |
| 488 | if (element_resize(self, 1) < 0) |
| 489 | return -1; |
| 490 | |
| 491 | Py_INCREF(element); |
| 492 | self->extra->children[self->extra->length] = element; |
| 493 | |
| 494 | self->extra->length++; |
| 495 | |
| 496 | return 0; |
| 497 | } |
| 498 | |
| 499 | LOCAL(PyObject*) |
| 500 | element_get_attrib(ElementObject* self) |
| 501 | { |
| 502 | /* return borrowed reference to attrib dictionary */ |
| 503 | /* note: this function assumes that the extra section exists */ |
| 504 | |
| 505 | PyObject* res = self->extra->attrib; |
| 506 | |
| 507 | if (res == Py_None) { |
| 508 | /* create missing dictionary */ |
| 509 | res = PyDict_New(); |
| 510 | if (!res) |
| 511 | return NULL; |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 512 | Py_DECREF(Py_None); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 513 | self->extra->attrib = res; |
| 514 | } |
| 515 | |
| 516 | return res; |
| 517 | } |
| 518 | |
| 519 | LOCAL(PyObject*) |
| 520 | element_get_text(ElementObject* self) |
| 521 | { |
| 522 | /* return borrowed reference to text attribute */ |
| 523 | |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 524 | PyObject *res = self->text; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 525 | |
| 526 | if (JOIN_GET(res)) { |
| 527 | res = JOIN_OBJ(res); |
| 528 | if (PyList_CheckExact(res)) { |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 529 | PyObject *tmp = list_join(res); |
| 530 | if (!tmp) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 531 | return NULL; |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 532 | self->text = tmp; |
| 533 | Py_DECREF(res); |
| 534 | res = tmp; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 535 | } |
| 536 | } |
| 537 | |
| 538 | return res; |
| 539 | } |
| 540 | |
| 541 | LOCAL(PyObject*) |
| 542 | element_get_tail(ElementObject* self) |
| 543 | { |
| 544 | /* return borrowed reference to text attribute */ |
| 545 | |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 546 | PyObject *res = self->tail; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 547 | |
| 548 | if (JOIN_GET(res)) { |
| 549 | res = JOIN_OBJ(res); |
| 550 | if (PyList_CheckExact(res)) { |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 551 | PyObject *tmp = list_join(res); |
| 552 | if (!tmp) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 553 | return NULL; |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 554 | self->tail = tmp; |
| 555 | Py_DECREF(res); |
| 556 | res = tmp; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 557 | } |
| 558 | } |
| 559 | |
| 560 | return res; |
| 561 | } |
| 562 | |
| 563 | static PyObject* |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 564 | subelement(PyObject *self, PyObject *args, PyObject *kwds) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 565 | { |
| 566 | PyObject* elem; |
| 567 | |
| 568 | ElementObject* parent; |
| 569 | PyObject* tag; |
| 570 | PyObject* attrib = NULL; |
| 571 | if (!PyArg_ParseTuple(args, "O!O|O!:SubElement", |
| 572 | &Element_Type, &parent, &tag, |
Eli Bendersky | 163d7f0 | 2013-11-24 06:55:04 -0800 | [diff] [blame] | 573 | &PyDict_Type, &attrib)) { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 574 | return NULL; |
Eli Bendersky | 163d7f0 | 2013-11-24 06:55:04 -0800 | [diff] [blame] | 575 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 576 | |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 577 | if (attrib) { |
| 578 | /* attrib passed as positional arg */ |
| 579 | attrib = PyDict_Copy(attrib); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 580 | if (!attrib) |
| 581 | return NULL; |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 582 | if (kwds) { |
| 583 | if (PyDict_Update(attrib, kwds) < 0) { |
| 584 | return NULL; |
| 585 | } |
| 586 | } |
| 587 | } else if (kwds) { |
| 588 | /* have keyword args */ |
| 589 | attrib = get_attrib_from_keywords(kwds); |
| 590 | if (!attrib) |
| 591 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 592 | } else { |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 593 | /* no attrib arg, no kwds, so no attribute */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 594 | Py_INCREF(Py_None); |
| 595 | attrib = Py_None; |
| 596 | } |
| 597 | |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 598 | elem = create_new_element(tag, attrib); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 599 | Py_DECREF(attrib); |
Victor Stinner | 71c8b7e | 2013-07-11 23:08:39 +0200 | [diff] [blame] | 600 | if (elem == NULL) |
| 601 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 602 | |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 603 | if (element_add_subelement(parent, elem) < 0) { |
| 604 | Py_DECREF(elem); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 605 | return NULL; |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 606 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 607 | |
| 608 | return elem; |
| 609 | } |
| 610 | |
Eli Bendersky | 0192ba3 | 2012-03-30 16:38:33 +0300 | [diff] [blame] | 611 | static int |
| 612 | element_gc_traverse(ElementObject *self, visitproc visit, void *arg) |
| 613 | { |
| 614 | Py_VISIT(self->tag); |
| 615 | Py_VISIT(JOIN_OBJ(self->text)); |
| 616 | Py_VISIT(JOIN_OBJ(self->tail)); |
| 617 | |
| 618 | if (self->extra) { |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 619 | Py_ssize_t i; |
Eli Bendersky | 0192ba3 | 2012-03-30 16:38:33 +0300 | [diff] [blame] | 620 | Py_VISIT(self->extra->attrib); |
| 621 | |
| 622 | for (i = 0; i < self->extra->length; ++i) |
| 623 | Py_VISIT(self->extra->children[i]); |
| 624 | } |
| 625 | return 0; |
| 626 | } |
| 627 | |
| 628 | static int |
| 629 | element_gc_clear(ElementObject *self) |
| 630 | { |
Eli Bendersky | 0192ba3 | 2012-03-30 16:38:33 +0300 | [diff] [blame] | 631 | Py_CLEAR(self->tag); |
Eli Bendersky | dd3661e | 2013-09-13 06:24:25 -0700 | [diff] [blame] | 632 | _clear_joined_ptr(&self->text); |
| 633 | _clear_joined_ptr(&self->tail); |
Eli Bendersky | 0192ba3 | 2012-03-30 16:38:33 +0300 | [diff] [blame] | 634 | |
| 635 | /* After dropping all references from extra, it's no longer valid anyway, |
Eli Bendersky | ebf37a2 | 2012-04-03 22:02:37 +0300 | [diff] [blame] | 636 | * so fully deallocate it. |
Eli Bendersky | 0192ba3 | 2012-03-30 16:38:33 +0300 | [diff] [blame] | 637 | */ |
Serhiy Storchaka | 6f906b3 | 2018-10-18 09:49:54 +0300 | [diff] [blame^] | 638 | clear_extra(self); |
Eli Bendersky | 0192ba3 | 2012-03-30 16:38:33 +0300 | [diff] [blame] | 639 | return 0; |
| 640 | } |
| 641 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 642 | static void |
| 643 | element_dealloc(ElementObject* self) |
| 644 | { |
INADA Naoki | a6296d3 | 2017-08-24 14:55:17 +0900 | [diff] [blame] | 645 | /* bpo-31095: UnTrack is needed before calling any callbacks */ |
Eli Bendersky | 0192ba3 | 2012-03-30 16:38:33 +0300 | [diff] [blame] | 646 | PyObject_GC_UnTrack(self); |
Serhiy Storchaka | 18f018c | 2016-12-21 12:32:56 +0200 | [diff] [blame] | 647 | Py_TRASHCAN_SAFE_BEGIN(self) |
Eli Bendersky | ebf37a2 | 2012-04-03 22:02:37 +0300 | [diff] [blame] | 648 | |
| 649 | if (self->weakreflist != NULL) |
| 650 | PyObject_ClearWeakRefs((PyObject *) self); |
| 651 | |
Eli Bendersky | 0192ba3 | 2012-03-30 16:38:33 +0300 | [diff] [blame] | 652 | /* element_gc_clear clears all references and deallocates extra |
| 653 | */ |
| 654 | element_gc_clear(self); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 655 | |
| 656 | RELEASE(sizeof(ElementObject), "destroy element"); |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 657 | Py_TYPE(self)->tp_free((PyObject *)self); |
Serhiy Storchaka | 18f018c | 2016-12-21 12:32:56 +0200 | [diff] [blame] | 658 | Py_TRASHCAN_SAFE_END(self) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 659 | } |
| 660 | |
| 661 | /* -------------------------------------------------------------------- */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 662 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 663 | /*[clinic input] |
| 664 | _elementtree.Element.append |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 665 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 666 | subelement: object(subclass_of='&Element_Type') |
| 667 | / |
| 668 | |
| 669 | [clinic start generated code]*/ |
| 670 | |
| 671 | static PyObject * |
| 672 | _elementtree_Element_append_impl(ElementObject *self, PyObject *subelement) |
| 673 | /*[clinic end generated code: output=54a884b7cf2295f4 input=3ed648beb5bfa22a]*/ |
| 674 | { |
| 675 | if (element_add_subelement(self, subelement) < 0) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 676 | return NULL; |
| 677 | |
| 678 | Py_RETURN_NONE; |
| 679 | } |
| 680 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 681 | /*[clinic input] |
| 682 | _elementtree.Element.clear |
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 | [clinic start generated code]*/ |
| 685 | |
| 686 | static PyObject * |
| 687 | _elementtree_Element_clear_impl(ElementObject *self) |
| 688 | /*[clinic end generated code: output=8bcd7a51f94cfff6 input=3c719ff94bf45dd6]*/ |
| 689 | { |
Serhiy Storchaka | 6f906b3 | 2018-10-18 09:49:54 +0300 | [diff] [blame^] | 690 | clear_extra(self); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 691 | |
| 692 | Py_INCREF(Py_None); |
Oren Milman | 39ecb9c | 2017-10-10 23:26:24 +0300 | [diff] [blame] | 693 | _set_joined_ptr(&self->text, Py_None); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 694 | |
| 695 | Py_INCREF(Py_None); |
Oren Milman | 39ecb9c | 2017-10-10 23:26:24 +0300 | [diff] [blame] | 696 | _set_joined_ptr(&self->tail, Py_None); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 697 | |
| 698 | Py_RETURN_NONE; |
| 699 | } |
| 700 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 701 | /*[clinic input] |
| 702 | _elementtree.Element.__copy__ |
| 703 | |
| 704 | [clinic start generated code]*/ |
| 705 | |
| 706 | static PyObject * |
| 707 | _elementtree_Element___copy___impl(ElementObject *self) |
| 708 | /*[clinic end generated code: output=2c701ebff7247781 input=ad87aaebe95675bf]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 709 | { |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 710 | Py_ssize_t i; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 711 | ElementObject* element; |
| 712 | |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 713 | element = (ElementObject*) create_new_element( |
Eli Bendersky | 163d7f0 | 2013-11-24 06:55:04 -0800 | [diff] [blame] | 714 | self->tag, (self->extra) ? self->extra->attrib : Py_None); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 715 | if (!element) |
| 716 | return NULL; |
| 717 | |
Oren Milman | 39ecb9c | 2017-10-10 23:26:24 +0300 | [diff] [blame] | 718 | Py_INCREF(JOIN_OBJ(self->text)); |
| 719 | _set_joined_ptr(&element->text, self->text); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 720 | |
Oren Milman | 39ecb9c | 2017-10-10 23:26:24 +0300 | [diff] [blame] | 721 | Py_INCREF(JOIN_OBJ(self->tail)); |
| 722 | _set_joined_ptr(&element->tail, self->tail); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 723 | |
Serhiy Storchaka | 6f906b3 | 2018-10-18 09:49:54 +0300 | [diff] [blame^] | 724 | assert(!element->extra || !element->extra->length); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 725 | if (self->extra) { |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 726 | if (element_resize(element, self->extra->length) < 0) { |
| 727 | Py_DECREF(element); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 728 | return NULL; |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 729 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 730 | |
| 731 | for (i = 0; i < self->extra->length; i++) { |
| 732 | Py_INCREF(self->extra->children[i]); |
| 733 | element->extra->children[i] = self->extra->children[i]; |
| 734 | } |
| 735 | |
Serhiy Storchaka | 6f906b3 | 2018-10-18 09:49:54 +0300 | [diff] [blame^] | 736 | assert(!element->extra->length); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 737 | element->extra->length = self->extra->length; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 738 | } |
| 739 | |
| 740 | return (PyObject*) element; |
| 741 | } |
| 742 | |
Serhiy Storchaka | 060ed71 | 2015-12-21 12:57:27 +0200 | [diff] [blame] | 743 | /* Helper for a deep copy. */ |
| 744 | LOCAL(PyObject *) deepcopy(PyObject *, PyObject *); |
| 745 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 746 | /*[clinic input] |
| 747 | _elementtree.Element.__deepcopy__ |
| 748 | |
Oren Milman | d056818 | 2017-09-12 17:39:15 +0300 | [diff] [blame] | 749 | memo: object(subclass_of="&PyDict_Type") |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 750 | / |
| 751 | |
| 752 | [clinic start generated code]*/ |
| 753 | |
| 754 | static PyObject * |
Oren Milman | d056818 | 2017-09-12 17:39:15 +0300 | [diff] [blame] | 755 | _elementtree_Element___deepcopy___impl(ElementObject *self, PyObject *memo) |
| 756 | /*[clinic end generated code: output=eefc3df50465b642 input=a2d40348c0aade10]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 757 | { |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 758 | Py_ssize_t i; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 759 | ElementObject* element; |
| 760 | PyObject* tag; |
| 761 | PyObject* attrib; |
| 762 | PyObject* text; |
| 763 | PyObject* tail; |
| 764 | PyObject* id; |
| 765 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 766 | tag = deepcopy(self->tag, memo); |
| 767 | if (!tag) |
| 768 | return NULL; |
| 769 | |
| 770 | if (self->extra) { |
| 771 | attrib = deepcopy(self->extra->attrib, memo); |
| 772 | if (!attrib) { |
| 773 | Py_DECREF(tag); |
| 774 | return NULL; |
| 775 | } |
| 776 | } else { |
| 777 | Py_INCREF(Py_None); |
| 778 | attrib = Py_None; |
| 779 | } |
| 780 | |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 781 | element = (ElementObject*) create_new_element(tag, attrib); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 782 | |
| 783 | Py_DECREF(tag); |
| 784 | Py_DECREF(attrib); |
| 785 | |
| 786 | if (!element) |
| 787 | return NULL; |
Victor Stinner | bfc7bf0 | 2011-03-21 13:23:42 +0100 | [diff] [blame] | 788 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 789 | text = deepcopy(JOIN_OBJ(self->text), memo); |
| 790 | if (!text) |
| 791 | goto error; |
Oren Milman | 39ecb9c | 2017-10-10 23:26:24 +0300 | [diff] [blame] | 792 | _set_joined_ptr(&element->text, JOIN_SET(text, JOIN_GET(self->text))); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 793 | |
| 794 | tail = deepcopy(JOIN_OBJ(self->tail), memo); |
| 795 | if (!tail) |
| 796 | goto error; |
Oren Milman | 39ecb9c | 2017-10-10 23:26:24 +0300 | [diff] [blame] | 797 | _set_joined_ptr(&element->tail, JOIN_SET(tail, JOIN_GET(self->tail))); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 798 | |
Serhiy Storchaka | 6f906b3 | 2018-10-18 09:49:54 +0300 | [diff] [blame^] | 799 | assert(!element->extra || !element->extra->length); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 800 | if (self->extra) { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 801 | if (element_resize(element, self->extra->length) < 0) |
| 802 | goto error; |
| 803 | |
| 804 | for (i = 0; i < self->extra->length; i++) { |
| 805 | PyObject* child = deepcopy(self->extra->children[i], memo); |
| 806 | if (!child) { |
| 807 | element->extra->length = i; |
| 808 | goto error; |
| 809 | } |
| 810 | element->extra->children[i] = child; |
| 811 | } |
| 812 | |
Serhiy Storchaka | 6f906b3 | 2018-10-18 09:49:54 +0300 | [diff] [blame^] | 813 | assert(!element->extra->length); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 814 | element->extra->length = self->extra->length; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 815 | } |
| 816 | |
| 817 | /* add object to memo dictionary (so deepcopy won't visit it again) */ |
Benjamin Peterson | ca47063 | 2016-09-06 13:47:26 -0700 | [diff] [blame] | 818 | id = PyLong_FromSsize_t((uintptr_t) self); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 819 | if (!id) |
| 820 | goto error; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 821 | |
| 822 | i = PyDict_SetItem(memo, id, (PyObject*) element); |
| 823 | |
| 824 | Py_DECREF(id); |
| 825 | |
| 826 | if (i < 0) |
| 827 | goto error; |
| 828 | |
| 829 | return (PyObject*) element; |
| 830 | |
| 831 | error: |
| 832 | Py_DECREF(element); |
| 833 | return NULL; |
| 834 | } |
| 835 | |
Serhiy Storchaka | 060ed71 | 2015-12-21 12:57:27 +0200 | [diff] [blame] | 836 | LOCAL(PyObject *) |
| 837 | deepcopy(PyObject *object, PyObject *memo) |
| 838 | { |
| 839 | /* do a deep copy of the given object */ |
Serhiy Storchaka | 060ed71 | 2015-12-21 12:57:27 +0200 | [diff] [blame] | 840 | elementtreestate *st; |
Victor Stinner | 7fbac45 | 2016-08-20 01:34:44 +0200 | [diff] [blame] | 841 | PyObject *stack[2]; |
Serhiy Storchaka | 060ed71 | 2015-12-21 12:57:27 +0200 | [diff] [blame] | 842 | |
| 843 | /* Fast paths */ |
| 844 | if (object == Py_None || PyUnicode_CheckExact(object)) { |
| 845 | Py_INCREF(object); |
| 846 | return object; |
| 847 | } |
| 848 | |
| 849 | if (Py_REFCNT(object) == 1) { |
| 850 | if (PyDict_CheckExact(object)) { |
| 851 | PyObject *key, *value; |
| 852 | Py_ssize_t pos = 0; |
| 853 | int simple = 1; |
| 854 | while (PyDict_Next(object, &pos, &key, &value)) { |
| 855 | if (!PyUnicode_CheckExact(key) || !PyUnicode_CheckExact(value)) { |
| 856 | simple = 0; |
| 857 | break; |
| 858 | } |
| 859 | } |
| 860 | if (simple) |
| 861 | return PyDict_Copy(object); |
| 862 | /* Fall through to general case */ |
| 863 | } |
| 864 | else if (Element_CheckExact(object)) { |
Oren Milman | d056818 | 2017-09-12 17:39:15 +0300 | [diff] [blame] | 865 | return _elementtree_Element___deepcopy___impl( |
| 866 | (ElementObject *)object, memo); |
Serhiy Storchaka | 060ed71 | 2015-12-21 12:57:27 +0200 | [diff] [blame] | 867 | } |
| 868 | } |
| 869 | |
| 870 | /* General case */ |
| 871 | st = ET_STATE_GLOBAL; |
| 872 | if (!st->deepcopy_obj) { |
| 873 | PyErr_SetString(PyExc_RuntimeError, |
| 874 | "deepcopy helper not found"); |
| 875 | return NULL; |
| 876 | } |
| 877 | |
Victor Stinner | 7fbac45 | 2016-08-20 01:34:44 +0200 | [diff] [blame] | 878 | stack[0] = object; |
| 879 | stack[1] = memo; |
Victor Stinner | 559bb6a | 2016-08-22 22:48:54 +0200 | [diff] [blame] | 880 | return _PyObject_FastCall(st->deepcopy_obj, stack, 2); |
Serhiy Storchaka | 060ed71 | 2015-12-21 12:57:27 +0200 | [diff] [blame] | 881 | } |
| 882 | |
| 883 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 884 | /*[clinic input] |
| 885 | _elementtree.Element.__sizeof__ -> Py_ssize_t |
| 886 | |
| 887 | [clinic start generated code]*/ |
| 888 | |
| 889 | static Py_ssize_t |
| 890 | _elementtree_Element___sizeof___impl(ElementObject *self) |
| 891 | /*[clinic end generated code: output=bf73867721008000 input=70f4b323d55a17c1]*/ |
Martin v. Löwis | bce1666 | 2012-06-17 10:41:22 +0200 | [diff] [blame] | 892 | { |
Serhiy Storchaka | 5c4064e | 2015-12-19 20:05:25 +0200 | [diff] [blame] | 893 | Py_ssize_t result = _PyObject_SIZE(Py_TYPE(self)); |
Martin v. Löwis | bce1666 | 2012-06-17 10:41:22 +0200 | [diff] [blame] | 894 | if (self->extra) { |
| 895 | result += sizeof(ElementObjectExtra); |
| 896 | if (self->extra->children != self->extra->_children) |
| 897 | result += sizeof(PyObject*) * self->extra->allocated; |
| 898 | } |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 899 | return result; |
Martin v. Löwis | bce1666 | 2012-06-17 10:41:22 +0200 | [diff] [blame] | 900 | } |
| 901 | |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 902 | /* dict keys for getstate/setstate. */ |
| 903 | #define PICKLED_TAG "tag" |
| 904 | #define PICKLED_CHILDREN "_children" |
| 905 | #define PICKLED_ATTRIB "attrib" |
| 906 | #define PICKLED_TAIL "tail" |
| 907 | #define PICKLED_TEXT "text" |
| 908 | |
| 909 | /* __getstate__ returns a fabricated instance dict as in the pure-Python |
| 910 | * Element implementation, for interoperability/interchangeability. This |
| 911 | * makes the pure-Python implementation details an API, but (a) there aren't |
| 912 | * any unnecessary structures there; and (b) it buys compatibility with 3.2 |
| 913 | * pickles. See issue #16076. |
| 914 | */ |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 915 | /*[clinic input] |
| 916 | _elementtree.Element.__getstate__ |
| 917 | |
| 918 | [clinic start generated code]*/ |
| 919 | |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 920 | static PyObject * |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 921 | _elementtree_Element___getstate___impl(ElementObject *self) |
| 922 | /*[clinic end generated code: output=37279aeeb6bb5b04 input=f0d16d7ec2f7adc1]*/ |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 923 | { |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 924 | Py_ssize_t i, noattrib; |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 925 | PyObject *instancedict = NULL, *children; |
| 926 | |
| 927 | /* Build a list of children. */ |
| 928 | children = PyList_New(self->extra ? self->extra->length : 0); |
| 929 | if (!children) |
| 930 | return NULL; |
| 931 | for (i = 0; i < PyList_GET_SIZE(children); i++) { |
| 932 | PyObject *child = self->extra->children[i]; |
| 933 | Py_INCREF(child); |
| 934 | PyList_SET_ITEM(children, i, child); |
| 935 | } |
| 936 | |
| 937 | /* Construct the state object. */ |
| 938 | noattrib = (self->extra == NULL || self->extra->attrib == Py_None); |
| 939 | if (noattrib) |
| 940 | instancedict = Py_BuildValue("{sOsOs{}sOsO}", |
| 941 | PICKLED_TAG, self->tag, |
| 942 | PICKLED_CHILDREN, children, |
| 943 | PICKLED_ATTRIB, |
Eli Bendersky | dd3661e | 2013-09-13 06:24:25 -0700 | [diff] [blame] | 944 | PICKLED_TEXT, JOIN_OBJ(self->text), |
| 945 | PICKLED_TAIL, JOIN_OBJ(self->tail)); |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 946 | else |
| 947 | instancedict = Py_BuildValue("{sOsOsOsOsO}", |
| 948 | PICKLED_TAG, self->tag, |
| 949 | PICKLED_CHILDREN, children, |
| 950 | PICKLED_ATTRIB, self->extra->attrib, |
Eli Bendersky | dd3661e | 2013-09-13 06:24:25 -0700 | [diff] [blame] | 951 | PICKLED_TEXT, JOIN_OBJ(self->text), |
| 952 | PICKLED_TAIL, JOIN_OBJ(self->tail)); |
Eli Bendersky | b8f6dc8 | 2013-01-12 05:20:16 -0800 | [diff] [blame] | 953 | if (instancedict) { |
| 954 | Py_DECREF(children); |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 955 | return instancedict; |
Eli Bendersky | b8f6dc8 | 2013-01-12 05:20:16 -0800 | [diff] [blame] | 956 | } |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 957 | else { |
| 958 | for (i = 0; i < PyList_GET_SIZE(children); i++) |
| 959 | Py_DECREF(PyList_GET_ITEM(children, i)); |
| 960 | Py_DECREF(children); |
| 961 | |
| 962 | return NULL; |
| 963 | } |
| 964 | } |
| 965 | |
| 966 | static PyObject * |
| 967 | element_setstate_from_attributes(ElementObject *self, |
| 968 | PyObject *tag, |
| 969 | PyObject *attrib, |
| 970 | PyObject *text, |
| 971 | PyObject *tail, |
| 972 | PyObject *children) |
| 973 | { |
| 974 | Py_ssize_t i, nchildren; |
Serhiy Storchaka | 6f906b3 | 2018-10-18 09:49:54 +0300 | [diff] [blame^] | 975 | ElementObjectExtra *oldextra = NULL; |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 976 | |
| 977 | if (!tag) { |
| 978 | PyErr_SetString(PyExc_TypeError, "tag may not be NULL"); |
| 979 | return NULL; |
| 980 | } |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 981 | |
Serhiy Storchaka | 191321d | 2015-12-27 15:41:34 +0200 | [diff] [blame] | 982 | Py_INCREF(tag); |
Serhiy Storchaka | 4884271 | 2016-04-06 09:45:48 +0300 | [diff] [blame] | 983 | Py_XSETREF(self->tag, tag); |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 984 | |
Oren Milman | 39ecb9c | 2017-10-10 23:26:24 +0300 | [diff] [blame] | 985 | text = text ? JOIN_SET(text, PyList_CheckExact(text)) : Py_None; |
| 986 | Py_INCREF(JOIN_OBJ(text)); |
| 987 | _set_joined_ptr(&self->text, text); |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 988 | |
Oren Milman | 39ecb9c | 2017-10-10 23:26:24 +0300 | [diff] [blame] | 989 | tail = tail ? JOIN_SET(tail, PyList_CheckExact(tail)) : Py_None; |
| 990 | Py_INCREF(JOIN_OBJ(tail)); |
| 991 | _set_joined_ptr(&self->tail, tail); |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 992 | |
| 993 | /* Handle ATTRIB and CHILDREN. */ |
Serhiy Storchaka | 6f906b3 | 2018-10-18 09:49:54 +0300 | [diff] [blame^] | 994 | if (!children && !attrib) { |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 995 | Py_RETURN_NONE; |
Serhiy Storchaka | 6f906b3 | 2018-10-18 09:49:54 +0300 | [diff] [blame^] | 996 | } |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 997 | |
| 998 | /* Compute 'nchildren'. */ |
| 999 | if (children) { |
| 1000 | if (!PyList_Check(children)) { |
| 1001 | PyErr_SetString(PyExc_TypeError, "'_children' is not a list"); |
| 1002 | return NULL; |
| 1003 | } |
Serhiy Storchaka | 6f906b3 | 2018-10-18 09:49:54 +0300 | [diff] [blame^] | 1004 | nchildren = PyList_GET_SIZE(children); |
| 1005 | |
| 1006 | /* (Re-)allocate 'extra'. |
| 1007 | Avoid DECREFs calling into this code again (cycles, etc.) |
| 1008 | */ |
| 1009 | oldextra = self->extra; |
| 1010 | self->extra = NULL; |
| 1011 | if (element_resize(self, nchildren)) { |
| 1012 | assert(!self->extra || !self->extra->length); |
| 1013 | clear_extra(self); |
| 1014 | self->extra = oldextra; |
| 1015 | return NULL; |
| 1016 | } |
| 1017 | assert(self->extra); |
| 1018 | assert(self->extra->allocated >= nchildren); |
| 1019 | if (oldextra) { |
| 1020 | assert(self->extra->attrib == Py_None); |
| 1021 | self->extra->attrib = oldextra->attrib; |
| 1022 | oldextra->attrib = Py_None; |
| 1023 | } |
| 1024 | |
| 1025 | /* Copy children */ |
| 1026 | for (i = 0; i < nchildren; i++) { |
| 1027 | self->extra->children[i] = PyList_GET_ITEM(children, i); |
| 1028 | Py_INCREF(self->extra->children[i]); |
| 1029 | } |
| 1030 | |
| 1031 | assert(!self->extra->length); |
| 1032 | self->extra->length = nchildren; |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1033 | } |
| 1034 | else { |
Serhiy Storchaka | 6f906b3 | 2018-10-18 09:49:54 +0300 | [diff] [blame^] | 1035 | if (element_resize(self, 0)) { |
| 1036 | return NULL; |
| 1037 | } |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1038 | } |
| 1039 | |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1040 | /* Stash attrib. */ |
| 1041 | if (attrib) { |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1042 | Py_INCREF(attrib); |
Serhiy Storchaka | 4884271 | 2016-04-06 09:45:48 +0300 | [diff] [blame] | 1043 | Py_XSETREF(self->extra->attrib, attrib); |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1044 | } |
Serhiy Storchaka | 6f906b3 | 2018-10-18 09:49:54 +0300 | [diff] [blame^] | 1045 | dealloc_extra(oldextra); |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1046 | |
| 1047 | Py_RETURN_NONE; |
| 1048 | } |
| 1049 | |
| 1050 | /* __setstate__ for Element instance from the Python implementation. |
| 1051 | * 'state' should be the instance dict. |
| 1052 | */ |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1053 | |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1054 | static PyObject * |
| 1055 | element_setstate_from_Python(ElementObject *self, PyObject *state) |
| 1056 | { |
| 1057 | static char *kwlist[] = {PICKLED_TAG, PICKLED_ATTRIB, PICKLED_TEXT, |
| 1058 | PICKLED_TAIL, PICKLED_CHILDREN, 0}; |
| 1059 | PyObject *args; |
| 1060 | PyObject *tag, *attrib, *text, *tail, *children; |
Eli Bendersky | 799e3ed | 2013-01-12 05:42:38 -0800 | [diff] [blame] | 1061 | PyObject *retval; |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1062 | |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1063 | tag = attrib = text = tail = children = NULL; |
| 1064 | args = PyTuple_New(0); |
Eli Bendersky | 799e3ed | 2013-01-12 05:42:38 -0800 | [diff] [blame] | 1065 | if (!args) |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1066 | return NULL; |
Eli Bendersky | 799e3ed | 2013-01-12 05:42:38 -0800 | [diff] [blame] | 1067 | |
| 1068 | if (PyArg_ParseTupleAndKeywords(args, state, "|$OOOOO", kwlist, &tag, |
| 1069 | &attrib, &text, &tail, &children)) |
| 1070 | retval = element_setstate_from_attributes(self, tag, attrib, text, |
| 1071 | tail, children); |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1072 | else |
Eli Bendersky | 799e3ed | 2013-01-12 05:42:38 -0800 | [diff] [blame] | 1073 | retval = NULL; |
| 1074 | |
| 1075 | Py_DECREF(args); |
| 1076 | return retval; |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1077 | } |
| 1078 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1079 | /*[clinic input] |
| 1080 | _elementtree.Element.__setstate__ |
| 1081 | |
| 1082 | state: object |
| 1083 | / |
| 1084 | |
| 1085 | [clinic start generated code]*/ |
| 1086 | |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1087 | static PyObject * |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1088 | _elementtree_Element___setstate__(ElementObject *self, PyObject *state) |
| 1089 | /*[clinic end generated code: output=ea28bf3491b1f75e input=aaf80abea7c1e3b9]*/ |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1090 | { |
| 1091 | if (!PyDict_CheckExact(state)) { |
| 1092 | PyErr_Format(PyExc_TypeError, |
| 1093 | "Don't know how to unpickle \"%.200R\" as an Element", |
| 1094 | state); |
| 1095 | return NULL; |
| 1096 | } |
| 1097 | else |
| 1098 | return element_setstate_from_Python(self, state); |
| 1099 | } |
| 1100 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1101 | LOCAL(int) |
| 1102 | checkpath(PyObject* tag) |
| 1103 | { |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 1104 | Py_ssize_t i; |
| 1105 | int check = 1; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1106 | |
| 1107 | /* check if a tag contains an xpath character */ |
| 1108 | |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1109 | #define PATHCHAR(ch) \ |
| 1110 | (ch == '/' || ch == '*' || ch == '[' || ch == '@' || ch == '.') |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1111 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1112 | if (PyUnicode_Check(tag)) { |
Martin v. Löwis | d63a3b8 | 2011-09-28 07:41:54 +0200 | [diff] [blame] | 1113 | const Py_ssize_t len = PyUnicode_GET_LENGTH(tag); |
| 1114 | void *data = PyUnicode_DATA(tag); |
| 1115 | unsigned int kind = PyUnicode_KIND(tag); |
| 1116 | for (i = 0; i < len; i++) { |
| 1117 | Py_UCS4 ch = PyUnicode_READ(kind, data, i); |
| 1118 | if (ch == '{') |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1119 | check = 0; |
Martin v. Löwis | d63a3b8 | 2011-09-28 07:41:54 +0200 | [diff] [blame] | 1120 | else if (ch == '}') |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1121 | check = 1; |
Martin v. Löwis | d63a3b8 | 2011-09-28 07:41:54 +0200 | [diff] [blame] | 1122 | else if (check && PATHCHAR(ch)) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1123 | return 1; |
| 1124 | } |
| 1125 | return 0; |
| 1126 | } |
Christian Heimes | 72b710a | 2008-05-26 13:28:38 +0000 | [diff] [blame] | 1127 | if (PyBytes_Check(tag)) { |
| 1128 | char *p = PyBytes_AS_STRING(tag); |
| 1129 | for (i = 0; i < PyBytes_GET_SIZE(tag); i++) { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1130 | if (p[i] == '{') |
| 1131 | check = 0; |
| 1132 | else if (p[i] == '}') |
| 1133 | check = 1; |
| 1134 | else if (check && PATHCHAR(p[i])) |
| 1135 | return 1; |
| 1136 | } |
| 1137 | return 0; |
| 1138 | } |
| 1139 | |
| 1140 | return 1; /* unknown type; might be path expression */ |
| 1141 | } |
| 1142 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1143 | /*[clinic input] |
| 1144 | _elementtree.Element.extend |
| 1145 | |
| 1146 | elements: object |
| 1147 | / |
| 1148 | |
| 1149 | [clinic start generated code]*/ |
| 1150 | |
| 1151 | static PyObject * |
| 1152 | _elementtree_Element_extend(ElementObject *self, PyObject *elements) |
| 1153 | /*[clinic end generated code: output=f6e67fc2ff529191 input=807bc4f31c69f7c0]*/ |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1154 | { |
| 1155 | PyObject* seq; |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1156 | Py_ssize_t i; |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1157 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1158 | seq = PySequence_Fast(elements, ""); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1159 | if (!seq) { |
| 1160 | PyErr_Format( |
| 1161 | PyExc_TypeError, |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1162 | "expected sequence, not \"%.200s\"", Py_TYPE(elements)->tp_name |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1163 | ); |
| 1164 | return NULL; |
| 1165 | } |
| 1166 | |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1167 | for (i = 0; i < PySequence_Fast_GET_SIZE(seq); i++) { |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1168 | PyObject* element = PySequence_Fast_GET_ITEM(seq, i); |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1169 | Py_INCREF(element); |
Serhiy Storchaka | b11c566 | 2018-10-14 10:32:19 +0300 | [diff] [blame] | 1170 | if (!Element_Check(element)) { |
Eli Bendersky | 396e8fc | 2012-03-23 14:24:20 +0200 | [diff] [blame] | 1171 | PyErr_Format( |
| 1172 | PyExc_TypeError, |
| 1173 | "expected an Element, not \"%.200s\"", |
| 1174 | Py_TYPE(element)->tp_name); |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1175 | Py_DECREF(seq); |
| 1176 | Py_DECREF(element); |
Eli Bendersky | 396e8fc | 2012-03-23 14:24:20 +0200 | [diff] [blame] | 1177 | return NULL; |
| 1178 | } |
| 1179 | |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1180 | if (element_add_subelement(self, element) < 0) { |
| 1181 | Py_DECREF(seq); |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1182 | Py_DECREF(element); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1183 | return NULL; |
| 1184 | } |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1185 | Py_DECREF(element); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1186 | } |
| 1187 | |
| 1188 | Py_DECREF(seq); |
| 1189 | |
| 1190 | Py_RETURN_NONE; |
| 1191 | } |
| 1192 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1193 | /*[clinic input] |
| 1194 | _elementtree.Element.find |
| 1195 | |
| 1196 | path: object |
| 1197 | namespaces: object = None |
| 1198 | |
| 1199 | [clinic start generated code]*/ |
| 1200 | |
| 1201 | static PyObject * |
| 1202 | _elementtree_Element_find_impl(ElementObject *self, PyObject *path, |
| 1203 | PyObject *namespaces) |
| 1204 | /*[clinic end generated code: output=41b43f0f0becafae input=359b6985f6489d2e]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1205 | { |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 1206 | Py_ssize_t i; |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 1207 | elementtreestate *st = ET_STATE_GLOBAL; |
Martin v. Löwis | afe55bb | 2011-10-09 10:38:36 +0200 | [diff] [blame] | 1208 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1209 | if (checkpath(path) || namespaces != Py_None) { |
Martin v. Löwis | bd928fe | 2011-10-14 10:20:37 +0200 | [diff] [blame] | 1210 | _Py_IDENTIFIER(find); |
Victor Stinner | f561634 | 2016-12-09 15:26:00 +0100 | [diff] [blame] | 1211 | return _PyObject_CallMethodIdObjArgs( |
| 1212 | st->elementpath_obj, &PyId_find, self, path, namespaces, NULL |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1213 | ); |
Martin v. Löwis | afe55bb | 2011-10-09 10:38:36 +0200 | [diff] [blame] | 1214 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1215 | |
| 1216 | if (!self->extra) |
| 1217 | Py_RETURN_NONE; |
Victor Stinner | bfc7bf0 | 2011-03-21 13:23:42 +0100 | [diff] [blame] | 1218 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1219 | for (i = 0; i < self->extra->length; i++) { |
| 1220 | PyObject* item = self->extra->children[i]; |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1221 | int rc; |
Serhiy Storchaka | b11c566 | 2018-10-14 10:32:19 +0300 | [diff] [blame] | 1222 | if (!Element_Check(item)) |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1223 | continue; |
| 1224 | Py_INCREF(item); |
Serhiy Storchaka | a2c145c | 2015-05-18 18:33:31 +0300 | [diff] [blame] | 1225 | rc = PyObject_RichCompareBool(((ElementObject*)item)->tag, path, Py_EQ); |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1226 | if (rc > 0) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1227 | return item; |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1228 | Py_DECREF(item); |
| 1229 | if (rc < 0) |
| 1230 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1231 | } |
| 1232 | |
| 1233 | Py_RETURN_NONE; |
| 1234 | } |
| 1235 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1236 | /*[clinic input] |
| 1237 | _elementtree.Element.findtext |
| 1238 | |
| 1239 | path: object |
| 1240 | default: object = None |
| 1241 | namespaces: object = None |
| 1242 | |
| 1243 | [clinic start generated code]*/ |
| 1244 | |
| 1245 | static PyObject * |
| 1246 | _elementtree_Element_findtext_impl(ElementObject *self, PyObject *path, |
| 1247 | PyObject *default_value, |
| 1248 | PyObject *namespaces) |
| 1249 | /*[clinic end generated code: output=83b3ba4535d308d2 input=b53a85aa5aa2a916]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1250 | { |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 1251 | Py_ssize_t i; |
Martin v. Löwis | bd928fe | 2011-10-14 10:20:37 +0200 | [diff] [blame] | 1252 | _Py_IDENTIFIER(findtext); |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 1253 | elementtreestate *st = ET_STATE_GLOBAL; |
Martin v. Löwis | afe55bb | 2011-10-09 10:38:36 +0200 | [diff] [blame] | 1254 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1255 | if (checkpath(path) || namespaces != Py_None) |
Victor Stinner | f561634 | 2016-12-09 15:26:00 +0100 | [diff] [blame] | 1256 | return _PyObject_CallMethodIdObjArgs( |
| 1257 | st->elementpath_obj, &PyId_findtext, |
| 1258 | self, path, default_value, namespaces, NULL |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1259 | ); |
| 1260 | |
| 1261 | if (!self->extra) { |
| 1262 | Py_INCREF(default_value); |
| 1263 | return default_value; |
| 1264 | } |
| 1265 | |
| 1266 | for (i = 0; i < self->extra->length; i++) { |
Serhiy Storchaka | b11c566 | 2018-10-14 10:32:19 +0300 | [diff] [blame] | 1267 | PyObject *item = self->extra->children[i]; |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1268 | int rc; |
Serhiy Storchaka | b11c566 | 2018-10-14 10:32:19 +0300 | [diff] [blame] | 1269 | if (!Element_Check(item)) |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1270 | continue; |
| 1271 | Py_INCREF(item); |
Serhiy Storchaka | b11c566 | 2018-10-14 10:32:19 +0300 | [diff] [blame] | 1272 | rc = PyObject_RichCompareBool(((ElementObject*)item)->tag, path, Py_EQ); |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1273 | if (rc > 0) { |
Serhiy Storchaka | b11c566 | 2018-10-14 10:32:19 +0300 | [diff] [blame] | 1274 | PyObject* text = element_get_text((ElementObject*)item); |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1275 | if (text == Py_None) { |
| 1276 | Py_DECREF(item); |
Eli Bendersky | 25771b3 | 2013-01-13 05:26:07 -0800 | [diff] [blame] | 1277 | return PyUnicode_New(0, 0); |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1278 | } |
Thomas Wouters | 00ee7ba | 2006-08-21 19:07:27 +0000 | [diff] [blame] | 1279 | Py_XINCREF(text); |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1280 | Py_DECREF(item); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1281 | return text; |
| 1282 | } |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1283 | Py_DECREF(item); |
| 1284 | if (rc < 0) |
| 1285 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1286 | } |
| 1287 | |
| 1288 | Py_INCREF(default_value); |
| 1289 | return default_value; |
| 1290 | } |
| 1291 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1292 | /*[clinic input] |
| 1293 | _elementtree.Element.findall |
| 1294 | |
| 1295 | path: object |
| 1296 | namespaces: object = None |
| 1297 | |
| 1298 | [clinic start generated code]*/ |
| 1299 | |
| 1300 | static PyObject * |
| 1301 | _elementtree_Element_findall_impl(ElementObject *self, PyObject *path, |
| 1302 | PyObject *namespaces) |
| 1303 | /*[clinic end generated code: output=1a0bd9f5541b711d input=4d9e6505a638550c]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1304 | { |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 1305 | Py_ssize_t i; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1306 | PyObject* out; |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 1307 | elementtreestate *st = ET_STATE_GLOBAL; |
Martin v. Löwis | afe55bb | 2011-10-09 10:38:36 +0200 | [diff] [blame] | 1308 | |
Serhiy Storchaka | b11c566 | 2018-10-14 10:32:19 +0300 | [diff] [blame] | 1309 | if (checkpath(path) || namespaces != Py_None) { |
Martin v. Löwis | bd928fe | 2011-10-14 10:20:37 +0200 | [diff] [blame] | 1310 | _Py_IDENTIFIER(findall); |
Victor Stinner | f561634 | 2016-12-09 15:26:00 +0100 | [diff] [blame] | 1311 | return _PyObject_CallMethodIdObjArgs( |
Serhiy Storchaka | b11c566 | 2018-10-14 10:32:19 +0300 | [diff] [blame] | 1312 | st->elementpath_obj, &PyId_findall, self, path, namespaces, NULL |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1313 | ); |
Martin v. Löwis | afe55bb | 2011-10-09 10:38:36 +0200 | [diff] [blame] | 1314 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1315 | |
| 1316 | out = PyList_New(0); |
| 1317 | if (!out) |
| 1318 | return NULL; |
| 1319 | |
| 1320 | if (!self->extra) |
| 1321 | return out; |
| 1322 | |
| 1323 | for (i = 0; i < self->extra->length; i++) { |
| 1324 | PyObject* item = self->extra->children[i]; |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1325 | int rc; |
Serhiy Storchaka | b11c566 | 2018-10-14 10:32:19 +0300 | [diff] [blame] | 1326 | if (!Element_Check(item)) |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1327 | continue; |
| 1328 | Py_INCREF(item); |
Serhiy Storchaka | b11c566 | 2018-10-14 10:32:19 +0300 | [diff] [blame] | 1329 | rc = PyObject_RichCompareBool(((ElementObject*)item)->tag, path, Py_EQ); |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1330 | if (rc != 0 && (rc < 0 || PyList_Append(out, item) < 0)) { |
| 1331 | Py_DECREF(item); |
| 1332 | Py_DECREF(out); |
| 1333 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1334 | } |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1335 | Py_DECREF(item); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1336 | } |
| 1337 | |
| 1338 | return out; |
| 1339 | } |
| 1340 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1341 | /*[clinic input] |
| 1342 | _elementtree.Element.iterfind |
Martin v. Löwis | afe55bb | 2011-10-09 10:38:36 +0200 | [diff] [blame] | 1343 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1344 | path: object |
| 1345 | namespaces: object = None |
| 1346 | |
| 1347 | [clinic start generated code]*/ |
| 1348 | |
| 1349 | static PyObject * |
| 1350 | _elementtree_Element_iterfind_impl(ElementObject *self, PyObject *path, |
| 1351 | PyObject *namespaces) |
| 1352 | /*[clinic end generated code: output=ecdd56d63b19d40f input=abb974e350fb65c7]*/ |
| 1353 | { |
| 1354 | PyObject* tag = path; |
| 1355 | _Py_IDENTIFIER(iterfind); |
| 1356 | elementtreestate *st = ET_STATE_GLOBAL; |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1357 | |
Victor Stinner | f561634 | 2016-12-09 15:26:00 +0100 | [diff] [blame] | 1358 | return _PyObject_CallMethodIdObjArgs( |
| 1359 | st->elementpath_obj, &PyId_iterfind, self, tag, namespaces, NULL); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1360 | } |
| 1361 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1362 | /*[clinic input] |
| 1363 | _elementtree.Element.get |
| 1364 | |
| 1365 | key: object |
| 1366 | default: object = None |
| 1367 | |
| 1368 | [clinic start generated code]*/ |
| 1369 | |
| 1370 | static PyObject * |
| 1371 | _elementtree_Element_get_impl(ElementObject *self, PyObject *key, |
| 1372 | PyObject *default_value) |
| 1373 | /*[clinic end generated code: output=523c614142595d75 input=ee153bbf8cdb246e]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1374 | { |
| 1375 | PyObject* value; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1376 | |
| 1377 | if (!self->extra || self->extra->attrib == Py_None) |
| 1378 | value = default_value; |
| 1379 | else { |
| 1380 | value = PyDict_GetItem(self->extra->attrib, key); |
| 1381 | if (!value) |
| 1382 | value = default_value; |
| 1383 | } |
| 1384 | |
| 1385 | Py_INCREF(value); |
| 1386 | return value; |
| 1387 | } |
| 1388 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1389 | /*[clinic input] |
| 1390 | _elementtree.Element.getchildren |
| 1391 | |
| 1392 | [clinic start generated code]*/ |
| 1393 | |
| 1394 | static PyObject * |
| 1395 | _elementtree_Element_getchildren_impl(ElementObject *self) |
| 1396 | /*[clinic end generated code: output=e50ffe118637b14f input=0f754dfded150d5f]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1397 | { |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 1398 | Py_ssize_t i; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1399 | PyObject* list; |
| 1400 | |
Serhiy Storchaka | 762ec97 | 2017-03-30 18:12:06 +0300 | [diff] [blame] | 1401 | if (PyErr_WarnEx(PyExc_DeprecationWarning, |
| 1402 | "This method will be removed in future versions. " |
| 1403 | "Use 'list(elem)' or iteration over elem instead.", |
| 1404 | 1) < 0) { |
| 1405 | return NULL; |
| 1406 | } |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1407 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1408 | if (!self->extra) |
| 1409 | return PyList_New(0); |
| 1410 | |
| 1411 | list = PyList_New(self->extra->length); |
| 1412 | if (!list) |
| 1413 | return NULL; |
| 1414 | |
| 1415 | for (i = 0; i < self->extra->length; i++) { |
| 1416 | PyObject* item = self->extra->children[i]; |
| 1417 | Py_INCREF(item); |
| 1418 | PyList_SET_ITEM(list, i, item); |
| 1419 | } |
| 1420 | |
| 1421 | return list; |
| 1422 | } |
| 1423 | |
Victor Stinner | bfc7bf0 | 2011-03-21 13:23:42 +0100 | [diff] [blame] | 1424 | |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 1425 | static PyObject * |
| 1426 | create_elementiter(ElementObject *self, PyObject *tag, int gettext); |
| 1427 | |
| 1428 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1429 | /*[clinic input] |
| 1430 | _elementtree.Element.iter |
| 1431 | |
| 1432 | tag: object = None |
| 1433 | |
| 1434 | [clinic start generated code]*/ |
| 1435 | |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 1436 | static PyObject * |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1437 | _elementtree_Element_iter_impl(ElementObject *self, PyObject *tag) |
| 1438 | /*[clinic end generated code: output=3f49f9a862941cc5 input=774d5b12e573aedd]*/ |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 1439 | { |
Serhiy Storchaka | d6a69d8 | 2015-12-09 11:27:07 +0200 | [diff] [blame] | 1440 | if (PyUnicode_Check(tag)) { |
| 1441 | if (PyUnicode_READY(tag) < 0) |
| 1442 | return NULL; |
| 1443 | if (PyUnicode_GET_LENGTH(tag) == 1 && PyUnicode_READ_CHAR(tag, 0) == '*') |
| 1444 | tag = Py_None; |
| 1445 | } |
| 1446 | else if (PyBytes_Check(tag)) { |
| 1447 | if (PyBytes_GET_SIZE(tag) == 1 && *PyBytes_AS_STRING(tag) == '*') |
| 1448 | tag = Py_None; |
| 1449 | } |
| 1450 | |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 1451 | return create_elementiter(self, tag, 0); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1452 | } |
| 1453 | |
| 1454 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1455 | /*[clinic input] |
Serhiy Storchaka | 762ec97 | 2017-03-30 18:12:06 +0300 | [diff] [blame] | 1456 | _elementtree.Element.getiterator |
| 1457 | |
| 1458 | tag: object = None |
| 1459 | |
| 1460 | [clinic start generated code]*/ |
| 1461 | |
| 1462 | static PyObject * |
| 1463 | _elementtree_Element_getiterator_impl(ElementObject *self, PyObject *tag) |
| 1464 | /*[clinic end generated code: output=cb69ff4a3742dfa1 input=500da1a03f7b9e28]*/ |
| 1465 | { |
Serhiy Storchaka | 02ec92f | 2018-07-24 12:03:34 +0300 | [diff] [blame] | 1466 | if (PyErr_WarnEx(PyExc_DeprecationWarning, |
Serhiy Storchaka | 762ec97 | 2017-03-30 18:12:06 +0300 | [diff] [blame] | 1467 | "This method will be removed in future versions. " |
| 1468 | "Use 'tree.iter()' or 'list(tree.iter())' instead.", |
| 1469 | 1) < 0) { |
| 1470 | return NULL; |
| 1471 | } |
| 1472 | return _elementtree_Element_iter_impl(self, tag); |
| 1473 | } |
| 1474 | |
| 1475 | |
| 1476 | /*[clinic input] |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1477 | _elementtree.Element.itertext |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1478 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1479 | [clinic start generated code]*/ |
| 1480 | |
| 1481 | static PyObject * |
| 1482 | _elementtree_Element_itertext_impl(ElementObject *self) |
| 1483 | /*[clinic end generated code: output=5fa34b2fbcb65df6 input=af8f0e42cb239c89]*/ |
| 1484 | { |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 1485 | return create_elementiter(self, Py_None, 1); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1486 | } |
| 1487 | |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 1488 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1489 | static PyObject* |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 1490 | element_getitem(PyObject* self_, Py_ssize_t index) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1491 | { |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 1492 | ElementObject* self = (ElementObject*) self_; |
| 1493 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1494 | if (!self->extra || index < 0 || index >= self->extra->length) { |
| 1495 | PyErr_SetString( |
| 1496 | PyExc_IndexError, |
| 1497 | "child index out of range" |
| 1498 | ); |
| 1499 | return NULL; |
| 1500 | } |
| 1501 | |
| 1502 | Py_INCREF(self->extra->children[index]); |
| 1503 | return self->extra->children[index]; |
| 1504 | } |
| 1505 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1506 | /*[clinic input] |
| 1507 | _elementtree.Element.insert |
| 1508 | |
| 1509 | index: Py_ssize_t |
| 1510 | subelement: object(subclass_of='&Element_Type') |
| 1511 | / |
| 1512 | |
| 1513 | [clinic start generated code]*/ |
| 1514 | |
| 1515 | static PyObject * |
| 1516 | _elementtree_Element_insert_impl(ElementObject *self, Py_ssize_t index, |
| 1517 | PyObject *subelement) |
| 1518 | /*[clinic end generated code: output=990adfef4d424c0b input=cd6fbfcdab52d7a8]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1519 | { |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1520 | Py_ssize_t i; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1521 | |
Victor Stinner | 5f0af23 | 2013-07-11 23:01:36 +0200 | [diff] [blame] | 1522 | if (!self->extra) { |
| 1523 | if (create_extra(self, NULL) < 0) |
| 1524 | return NULL; |
| 1525 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1526 | |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1527 | if (index < 0) { |
| 1528 | index += self->extra->length; |
| 1529 | if (index < 0) |
| 1530 | index = 0; |
| 1531 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1532 | if (index > self->extra->length) |
| 1533 | index = self->extra->length; |
| 1534 | |
| 1535 | if (element_resize(self, 1) < 0) |
| 1536 | return NULL; |
| 1537 | |
| 1538 | for (i = self->extra->length; i > index; i--) |
| 1539 | self->extra->children[i] = self->extra->children[i-1]; |
| 1540 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1541 | Py_INCREF(subelement); |
| 1542 | self->extra->children[index] = subelement; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1543 | |
| 1544 | self->extra->length++; |
| 1545 | |
| 1546 | Py_RETURN_NONE; |
| 1547 | } |
| 1548 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1549 | /*[clinic input] |
| 1550 | _elementtree.Element.items |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1551 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1552 | [clinic start generated code]*/ |
| 1553 | |
| 1554 | static PyObject * |
| 1555 | _elementtree_Element_items_impl(ElementObject *self) |
| 1556 | /*[clinic end generated code: output=6db2c778ce3f5a4d input=adbe09aaea474447]*/ |
| 1557 | { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1558 | if (!self->extra || self->extra->attrib == Py_None) |
| 1559 | return PyList_New(0); |
| 1560 | |
| 1561 | return PyDict_Items(self->extra->attrib); |
| 1562 | } |
| 1563 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1564 | /*[clinic input] |
| 1565 | _elementtree.Element.keys |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1566 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1567 | [clinic start generated code]*/ |
| 1568 | |
| 1569 | static PyObject * |
| 1570 | _elementtree_Element_keys_impl(ElementObject *self) |
| 1571 | /*[clinic end generated code: output=bc5bfabbf20eeb3c input=f02caf5b496b5b0b]*/ |
| 1572 | { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1573 | if (!self->extra || self->extra->attrib == Py_None) |
| 1574 | return PyList_New(0); |
| 1575 | |
| 1576 | return PyDict_Keys(self->extra->attrib); |
| 1577 | } |
| 1578 | |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 1579 | static Py_ssize_t |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1580 | element_length(ElementObject* self) |
| 1581 | { |
| 1582 | if (!self->extra) |
| 1583 | return 0; |
| 1584 | |
| 1585 | return self->extra->length; |
| 1586 | } |
| 1587 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1588 | /*[clinic input] |
| 1589 | _elementtree.Element.makeelement |
| 1590 | |
| 1591 | tag: object |
| 1592 | attrib: object |
| 1593 | / |
| 1594 | |
| 1595 | [clinic start generated code]*/ |
| 1596 | |
| 1597 | static PyObject * |
| 1598 | _elementtree_Element_makeelement_impl(ElementObject *self, PyObject *tag, |
| 1599 | PyObject *attrib) |
| 1600 | /*[clinic end generated code: output=4109832d5bb789ef input=9480d1d2e3e68235]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1601 | { |
| 1602 | PyObject* elem; |
| 1603 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1604 | attrib = PyDict_Copy(attrib); |
| 1605 | if (!attrib) |
| 1606 | return NULL; |
| 1607 | |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 1608 | elem = create_new_element(tag, attrib); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1609 | |
| 1610 | Py_DECREF(attrib); |
| 1611 | |
| 1612 | return elem; |
| 1613 | } |
| 1614 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1615 | /*[clinic input] |
| 1616 | _elementtree.Element.remove |
| 1617 | |
| 1618 | subelement: object(subclass_of='&Element_Type') |
| 1619 | / |
| 1620 | |
| 1621 | [clinic start generated code]*/ |
| 1622 | |
| 1623 | static PyObject * |
| 1624 | _elementtree_Element_remove_impl(ElementObject *self, PyObject *subelement) |
| 1625 | /*[clinic end generated code: output=38fe6c07d6d87d1f input=d52fc28ededc0bd8]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1626 | { |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 1627 | Py_ssize_t i; |
Serhiy Storchaka | a2c145c | 2015-05-18 18:33:31 +0300 | [diff] [blame] | 1628 | int rc; |
| 1629 | PyObject *found; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1630 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1631 | if (!self->extra) { |
| 1632 | /* element has no children, so raise exception */ |
| 1633 | PyErr_SetString( |
| 1634 | PyExc_ValueError, |
| 1635 | "list.remove(x): x not in list" |
| 1636 | ); |
| 1637 | return NULL; |
| 1638 | } |
| 1639 | |
| 1640 | for (i = 0; i < self->extra->length; i++) { |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1641 | if (self->extra->children[i] == subelement) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1642 | break; |
Serhiy Storchaka | a2c145c | 2015-05-18 18:33:31 +0300 | [diff] [blame] | 1643 | rc = PyObject_RichCompareBool(self->extra->children[i], subelement, Py_EQ); |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1644 | if (rc > 0) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1645 | break; |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1646 | if (rc < 0) |
| 1647 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1648 | } |
| 1649 | |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1650 | if (i >= self->extra->length) { |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1651 | /* subelement is not in children, so raise exception */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1652 | PyErr_SetString( |
| 1653 | PyExc_ValueError, |
| 1654 | "list.remove(x): x not in list" |
| 1655 | ); |
| 1656 | return NULL; |
| 1657 | } |
| 1658 | |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1659 | found = self->extra->children[i]; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1660 | |
| 1661 | self->extra->length--; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1662 | for (; i < self->extra->length; i++) |
| 1663 | self->extra->children[i] = self->extra->children[i+1]; |
| 1664 | |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1665 | Py_DECREF(found); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1666 | Py_RETURN_NONE; |
| 1667 | } |
| 1668 | |
| 1669 | static PyObject* |
| 1670 | element_repr(ElementObject* self) |
| 1671 | { |
Serhiy Storchaka | 9062c26 | 2016-06-12 09:43:55 +0300 | [diff] [blame] | 1672 | int status; |
| 1673 | |
| 1674 | if (self->tag == NULL) |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 1675 | return PyUnicode_FromFormat("<Element at %p>", self); |
Serhiy Storchaka | 9062c26 | 2016-06-12 09:43:55 +0300 | [diff] [blame] | 1676 | |
| 1677 | status = Py_ReprEnter((PyObject *)self); |
| 1678 | if (status == 0) { |
| 1679 | PyObject *res; |
| 1680 | res = PyUnicode_FromFormat("<Element %R at %p>", self->tag, self); |
| 1681 | Py_ReprLeave((PyObject *)self); |
| 1682 | return res; |
| 1683 | } |
| 1684 | if (status > 0) |
| 1685 | PyErr_Format(PyExc_RuntimeError, |
| 1686 | "reentrant call inside %s.__repr__", |
| 1687 | Py_TYPE(self)->tp_name); |
| 1688 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1689 | } |
| 1690 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1691 | /*[clinic input] |
| 1692 | _elementtree.Element.set |
| 1693 | |
| 1694 | key: object |
| 1695 | value: object |
| 1696 | / |
| 1697 | |
| 1698 | [clinic start generated code]*/ |
| 1699 | |
| 1700 | static PyObject * |
| 1701 | _elementtree_Element_set_impl(ElementObject *self, PyObject *key, |
| 1702 | PyObject *value) |
| 1703 | /*[clinic end generated code: output=fb938806be3c5656 input=1efe90f7d82b3fe9]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1704 | { |
| 1705 | PyObject* attrib; |
| 1706 | |
Victor Stinner | 5f0af23 | 2013-07-11 23:01:36 +0200 | [diff] [blame] | 1707 | if (!self->extra) { |
| 1708 | if (create_extra(self, NULL) < 0) |
| 1709 | return NULL; |
| 1710 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1711 | |
| 1712 | attrib = element_get_attrib(self); |
| 1713 | if (!attrib) |
| 1714 | return NULL; |
| 1715 | |
| 1716 | if (PyDict_SetItem(attrib, key, value) < 0) |
| 1717 | return NULL; |
| 1718 | |
| 1719 | Py_RETURN_NONE; |
| 1720 | } |
| 1721 | |
| 1722 | static int |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 1723 | element_setitem(PyObject* self_, Py_ssize_t index, PyObject* item) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1724 | { |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 1725 | ElementObject* self = (ElementObject*) self_; |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 1726 | Py_ssize_t i; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1727 | PyObject* old; |
| 1728 | |
| 1729 | if (!self->extra || index < 0 || index >= self->extra->length) { |
| 1730 | PyErr_SetString( |
| 1731 | PyExc_IndexError, |
| 1732 | "child assignment index out of range"); |
| 1733 | return -1; |
| 1734 | } |
| 1735 | |
| 1736 | old = self->extra->children[index]; |
| 1737 | |
| 1738 | if (item) { |
| 1739 | Py_INCREF(item); |
| 1740 | self->extra->children[index] = item; |
| 1741 | } else { |
| 1742 | self->extra->length--; |
| 1743 | for (i = index; i < self->extra->length; i++) |
| 1744 | self->extra->children[i] = self->extra->children[i+1]; |
| 1745 | } |
| 1746 | |
| 1747 | Py_DECREF(old); |
| 1748 | |
| 1749 | return 0; |
| 1750 | } |
| 1751 | |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1752 | static PyObject* |
| 1753 | element_subscr(PyObject* self_, PyObject* item) |
| 1754 | { |
| 1755 | ElementObject* self = (ElementObject*) self_; |
| 1756 | |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1757 | if (PyIndex_Check(item)) { |
| 1758 | Py_ssize_t i = PyNumber_AsSsize_t(item, PyExc_IndexError); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1759 | |
| 1760 | if (i == -1 && PyErr_Occurred()) { |
| 1761 | return NULL; |
| 1762 | } |
| 1763 | if (i < 0 && self->extra) |
| 1764 | i += self->extra->length; |
| 1765 | return element_getitem(self_, i); |
| 1766 | } |
| 1767 | else if (PySlice_Check(item)) { |
| 1768 | Py_ssize_t start, stop, step, slicelen, cur, i; |
| 1769 | PyObject* list; |
| 1770 | |
| 1771 | if (!self->extra) |
| 1772 | return PyList_New(0); |
| 1773 | |
Serhiy Storchaka | b879fe8 | 2017-04-08 09:53:51 +0300 | [diff] [blame] | 1774 | if (PySlice_Unpack(item, &start, &stop, &step) < 0) { |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1775 | return NULL; |
| 1776 | } |
Serhiy Storchaka | b879fe8 | 2017-04-08 09:53:51 +0300 | [diff] [blame] | 1777 | slicelen = PySlice_AdjustIndices(self->extra->length, &start, &stop, |
| 1778 | step); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1779 | |
| 1780 | if (slicelen <= 0) |
| 1781 | return PyList_New(0); |
| 1782 | else { |
| 1783 | list = PyList_New(slicelen); |
| 1784 | if (!list) |
| 1785 | return NULL; |
| 1786 | |
| 1787 | for (cur = start, i = 0; i < slicelen; |
| 1788 | cur += step, i++) { |
| 1789 | PyObject* item = self->extra->children[cur]; |
| 1790 | Py_INCREF(item); |
| 1791 | PyList_SET_ITEM(list, i, item); |
| 1792 | } |
| 1793 | |
| 1794 | return list; |
| 1795 | } |
| 1796 | } |
| 1797 | else { |
| 1798 | PyErr_SetString(PyExc_TypeError, |
| 1799 | "element indices must be integers"); |
| 1800 | return NULL; |
| 1801 | } |
| 1802 | } |
| 1803 | |
| 1804 | static int |
| 1805 | element_ass_subscr(PyObject* self_, PyObject* item, PyObject* value) |
| 1806 | { |
| 1807 | ElementObject* self = (ElementObject*) self_; |
| 1808 | |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1809 | if (PyIndex_Check(item)) { |
| 1810 | Py_ssize_t i = PyNumber_AsSsize_t(item, PyExc_IndexError); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1811 | |
| 1812 | if (i == -1 && PyErr_Occurred()) { |
| 1813 | return -1; |
| 1814 | } |
| 1815 | if (i < 0 && self->extra) |
| 1816 | i += self->extra->length; |
| 1817 | return element_setitem(self_, i, value); |
| 1818 | } |
| 1819 | else if (PySlice_Check(item)) { |
| 1820 | Py_ssize_t start, stop, step, slicelen, newlen, cur, i; |
| 1821 | |
| 1822 | PyObject* recycle = NULL; |
Serhiy Storchaka | 04d759b | 2015-11-22 12:18:38 +0200 | [diff] [blame] | 1823 | PyObject* seq; |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1824 | |
Victor Stinner | 5f0af23 | 2013-07-11 23:01:36 +0200 | [diff] [blame] | 1825 | if (!self->extra) { |
| 1826 | if (create_extra(self, NULL) < 0) |
| 1827 | return -1; |
| 1828 | } |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1829 | |
Serhiy Storchaka | b879fe8 | 2017-04-08 09:53:51 +0300 | [diff] [blame] | 1830 | if (PySlice_Unpack(item, &start, &stop, &step) < 0) { |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1831 | return -1; |
| 1832 | } |
Serhiy Storchaka | b879fe8 | 2017-04-08 09:53:51 +0300 | [diff] [blame] | 1833 | slicelen = PySlice_AdjustIndices(self->extra->length, &start, &stop, |
| 1834 | step); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1835 | |
Eli Bendersky | 865756a | 2012-03-09 13:38:15 +0200 | [diff] [blame] | 1836 | if (value == NULL) { |
| 1837 | /* Delete slice */ |
| 1838 | size_t cur; |
| 1839 | Py_ssize_t i; |
| 1840 | |
| 1841 | if (slicelen <= 0) |
| 1842 | return 0; |
| 1843 | |
| 1844 | /* Since we're deleting, the direction of the range doesn't matter, |
| 1845 | * so for simplicity make it always ascending. |
| 1846 | */ |
| 1847 | if (step < 0) { |
| 1848 | stop = start + 1; |
| 1849 | start = stop + step * (slicelen - 1) - 1; |
| 1850 | step = -step; |
| 1851 | } |
| 1852 | |
Benjamin Peterson | 2f8bfef | 2016-09-07 09:26:18 -0700 | [diff] [blame] | 1853 | assert((size_t)slicelen <= SIZE_MAX / sizeof(PyObject *)); |
Eli Bendersky | 865756a | 2012-03-09 13:38:15 +0200 | [diff] [blame] | 1854 | |
| 1855 | /* recycle is a list that will contain all the children |
| 1856 | * scheduled for removal. |
| 1857 | */ |
| 1858 | if (!(recycle = PyList_New(slicelen))) { |
| 1859 | PyErr_NoMemory(); |
| 1860 | return -1; |
| 1861 | } |
| 1862 | |
| 1863 | /* This loop walks over all the children that have to be deleted, |
| 1864 | * with cur pointing at them. num_moved is the amount of children |
| 1865 | * until the next deleted child that have to be "shifted down" to |
| 1866 | * occupy the deleted's places. |
| 1867 | * Note that in the ith iteration, shifting is done i+i places down |
| 1868 | * because i children were already removed. |
| 1869 | */ |
| 1870 | for (cur = start, i = 0; cur < (size_t)stop; cur += step, ++i) { |
| 1871 | /* Compute how many children have to be moved, clipping at the |
| 1872 | * list end. |
| 1873 | */ |
| 1874 | Py_ssize_t num_moved = step - 1; |
| 1875 | if (cur + step >= (size_t)self->extra->length) { |
| 1876 | num_moved = self->extra->length - cur - 1; |
| 1877 | } |
| 1878 | |
| 1879 | PyList_SET_ITEM(recycle, i, self->extra->children[cur]); |
| 1880 | |
| 1881 | memmove( |
| 1882 | self->extra->children + cur - i, |
| 1883 | self->extra->children + cur + 1, |
| 1884 | num_moved * sizeof(PyObject *)); |
| 1885 | } |
| 1886 | |
| 1887 | /* Leftover "tail" after the last removed child */ |
| 1888 | cur = start + (size_t)slicelen * step; |
| 1889 | if (cur < (size_t)self->extra->length) { |
| 1890 | memmove( |
| 1891 | self->extra->children + cur - slicelen, |
| 1892 | self->extra->children + cur, |
| 1893 | (self->extra->length - cur) * sizeof(PyObject *)); |
| 1894 | } |
| 1895 | |
| 1896 | self->extra->length -= slicelen; |
| 1897 | |
| 1898 | /* Discard the recycle list with all the deleted sub-elements */ |
| 1899 | Py_XDECREF(recycle); |
| 1900 | return 0; |
| 1901 | } |
Serhiy Storchaka | 04d759b | 2015-11-22 12:18:38 +0200 | [diff] [blame] | 1902 | |
| 1903 | /* A new slice is actually being assigned */ |
| 1904 | seq = PySequence_Fast(value, ""); |
| 1905 | if (!seq) { |
| 1906 | PyErr_Format( |
| 1907 | PyExc_TypeError, |
| 1908 | "expected sequence, not \"%.200s\"", Py_TYPE(value)->tp_name |
| 1909 | ); |
| 1910 | return -1; |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1911 | } |
Serhiy Storchaka | bf623ae | 2017-04-19 20:03:52 +0300 | [diff] [blame] | 1912 | newlen = PySequence_Fast_GET_SIZE(seq); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1913 | |
| 1914 | if (step != 1 && newlen != slicelen) |
| 1915 | { |
Serhiy Storchaka | 04d759b | 2015-11-22 12:18:38 +0200 | [diff] [blame] | 1916 | Py_DECREF(seq); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1917 | PyErr_Format(PyExc_ValueError, |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1918 | "attempt to assign sequence of size %zd " |
| 1919 | "to extended slice of size %zd", |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1920 | newlen, slicelen |
| 1921 | ); |
| 1922 | return -1; |
| 1923 | } |
| 1924 | |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1925 | /* Resize before creating the recycle bin, to prevent refleaks. */ |
| 1926 | if (newlen > slicelen) { |
| 1927 | if (element_resize(self, newlen - slicelen) < 0) { |
Serhiy Storchaka | 04d759b | 2015-11-22 12:18:38 +0200 | [diff] [blame] | 1928 | Py_DECREF(seq); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1929 | return -1; |
| 1930 | } |
| 1931 | } |
| 1932 | |
| 1933 | if (slicelen > 0) { |
| 1934 | /* to avoid recursive calls to this method (via decref), move |
| 1935 | old items to the recycle bin here, and get rid of them when |
| 1936 | we're done modifying the element */ |
| 1937 | recycle = PyList_New(slicelen); |
| 1938 | if (!recycle) { |
Serhiy Storchaka | 04d759b | 2015-11-22 12:18:38 +0200 | [diff] [blame] | 1939 | Py_DECREF(seq); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1940 | return -1; |
| 1941 | } |
| 1942 | for (cur = start, i = 0; i < slicelen; |
| 1943 | cur += step, i++) |
| 1944 | PyList_SET_ITEM(recycle, i, self->extra->children[cur]); |
| 1945 | } |
| 1946 | |
| 1947 | if (newlen < slicelen) { |
| 1948 | /* delete slice */ |
| 1949 | for (i = stop; i < self->extra->length; i++) |
| 1950 | self->extra->children[i + newlen - slicelen] = self->extra->children[i]; |
| 1951 | } else if (newlen > slicelen) { |
| 1952 | /* insert slice */ |
| 1953 | for (i = self->extra->length-1; i >= stop; i--) |
| 1954 | self->extra->children[i + newlen - slicelen] = self->extra->children[i]; |
| 1955 | } |
| 1956 | |
| 1957 | /* replace the slice */ |
| 1958 | for (cur = start, i = 0; i < newlen; |
| 1959 | cur += step, i++) { |
| 1960 | PyObject* element = PySequence_Fast_GET_ITEM(seq, i); |
| 1961 | Py_INCREF(element); |
| 1962 | self->extra->children[cur] = element; |
| 1963 | } |
| 1964 | |
| 1965 | self->extra->length += newlen - slicelen; |
| 1966 | |
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 | |
| 1969 | /* discard the recycle bin, and everything in it */ |
| 1970 | Py_XDECREF(recycle); |
| 1971 | |
| 1972 | return 0; |
| 1973 | } |
| 1974 | else { |
| 1975 | PyErr_SetString(PyExc_TypeError, |
| 1976 | "element indices must be integers"); |
| 1977 | return -1; |
| 1978 | } |
| 1979 | } |
| 1980 | |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1981 | static PyObject* |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 1982 | element_tag_getter(ElementObject *self, void *closure) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1983 | { |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 1984 | PyObject *res = self->tag; |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1985 | Py_INCREF(res); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1986 | return res; |
| 1987 | } |
| 1988 | |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 1989 | static PyObject* |
| 1990 | element_text_getter(ElementObject *self, void *closure) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1991 | { |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 1992 | PyObject *res = element_get_text(self); |
| 1993 | Py_XINCREF(res); |
| 1994 | return res; |
| 1995 | } |
Serhiy Storchaka | b6aa537 | 2015-11-23 08:42:25 +0200 | [diff] [blame] | 1996 | |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 1997 | static PyObject* |
| 1998 | element_tail_getter(ElementObject *self, void *closure) |
| 1999 | { |
| 2000 | PyObject *res = element_get_tail(self); |
| 2001 | Py_XINCREF(res); |
| 2002 | return res; |
| 2003 | } |
| 2004 | |
| 2005 | static PyObject* |
| 2006 | element_attrib_getter(ElementObject *self, void *closure) |
| 2007 | { |
| 2008 | PyObject *res; |
| 2009 | if (!self->extra) { |
| 2010 | if (create_extra(self, NULL) < 0) |
| 2011 | return NULL; |
Serhiy Storchaka | b6aa537 | 2015-11-23 08:42:25 +0200 | [diff] [blame] | 2012 | } |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 2013 | res = element_get_attrib(self); |
| 2014 | Py_XINCREF(res); |
| 2015 | return res; |
| 2016 | } |
Victor Stinner | 4d46343 | 2013-07-11 23:05:03 +0200 | [diff] [blame] | 2017 | |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 2018 | /* macro for setter validation */ |
| 2019 | #define _VALIDATE_ATTR_VALUE(V) \ |
| 2020 | if ((V) == NULL) { \ |
| 2021 | PyErr_SetString( \ |
| 2022 | PyExc_AttributeError, \ |
| 2023 | "can't delete element attribute"); \ |
| 2024 | return -1; \ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2025 | } |
| 2026 | |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 2027 | static int |
| 2028 | element_tag_setter(ElementObject *self, PyObject *value, void *closure) |
| 2029 | { |
| 2030 | _VALIDATE_ATTR_VALUE(value); |
| 2031 | Py_INCREF(value); |
Serhiy Storchaka | f01e408 | 2016-04-10 18:12:01 +0300 | [diff] [blame] | 2032 | Py_SETREF(self->tag, value); |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 2033 | return 0; |
| 2034 | } |
| 2035 | |
| 2036 | static int |
| 2037 | element_text_setter(ElementObject *self, PyObject *value, void *closure) |
| 2038 | { |
| 2039 | _VALIDATE_ATTR_VALUE(value); |
| 2040 | Py_INCREF(value); |
Oren Milman | 39ecb9c | 2017-10-10 23:26:24 +0300 | [diff] [blame] | 2041 | _set_joined_ptr(&self->text, value); |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 2042 | return 0; |
| 2043 | } |
| 2044 | |
| 2045 | static int |
| 2046 | element_tail_setter(ElementObject *self, PyObject *value, void *closure) |
| 2047 | { |
| 2048 | _VALIDATE_ATTR_VALUE(value); |
| 2049 | Py_INCREF(value); |
Oren Milman | 39ecb9c | 2017-10-10 23:26:24 +0300 | [diff] [blame] | 2050 | _set_joined_ptr(&self->tail, value); |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 2051 | return 0; |
| 2052 | } |
| 2053 | |
| 2054 | static int |
| 2055 | element_attrib_setter(ElementObject *self, PyObject *value, void *closure) |
| 2056 | { |
| 2057 | _VALIDATE_ATTR_VALUE(value); |
| 2058 | if (!self->extra) { |
| 2059 | if (create_extra(self, NULL) < 0) |
| 2060 | return -1; |
| 2061 | } |
| 2062 | Py_INCREF(value); |
Serhiy Storchaka | f01e408 | 2016-04-10 18:12:01 +0300 | [diff] [blame] | 2063 | Py_SETREF(self->extra->attrib, value); |
Eli Bendersky | ef9683b | 2013-05-18 07:52:34 -0700 | [diff] [blame] | 2064 | return 0; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2065 | } |
| 2066 | |
| 2067 | static PySequenceMethods element_as_sequence = { |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 2068 | (lenfunc) element_length, |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2069 | 0, /* sq_concat */ |
| 2070 | 0, /* sq_repeat */ |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 2071 | element_getitem, |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2072 | 0, |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 2073 | element_setitem, |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2074 | 0, |
| 2075 | }; |
| 2076 | |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2077 | /******************************* Element iterator ****************************/ |
| 2078 | |
| 2079 | /* ElementIterObject represents the iteration state over an XML element in |
| 2080 | * pre-order traversal. To keep track of which sub-element should be returned |
| 2081 | * next, a stack of parents is maintained. This is a standard stack-based |
| 2082 | * iterative pre-order traversal of a tree. |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2083 | * The stack is managed using a continuous array. |
| 2084 | * 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] | 2085 | * the current one is exhausted, and the next child to examine in that parent. |
| 2086 | */ |
| 2087 | typedef struct ParentLocator_t { |
| 2088 | ElementObject *parent; |
| 2089 | Py_ssize_t child_index; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2090 | } ParentLocator; |
| 2091 | |
| 2092 | typedef struct { |
| 2093 | PyObject_HEAD |
| 2094 | ParentLocator *parent_stack; |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2095 | Py_ssize_t parent_stack_used; |
| 2096 | Py_ssize_t parent_stack_size; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2097 | ElementObject *root_element; |
| 2098 | PyObject *sought_tag; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2099 | int gettext; |
| 2100 | } ElementIterObject; |
| 2101 | |
| 2102 | |
| 2103 | static void |
| 2104 | elementiter_dealloc(ElementIterObject *it) |
| 2105 | { |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2106 | Py_ssize_t i = it->parent_stack_used; |
| 2107 | it->parent_stack_used = 0; |
INADA Naoki | a6296d3 | 2017-08-24 14:55:17 +0900 | [diff] [blame] | 2108 | /* bpo-31095: UnTrack is needed before calling any callbacks */ |
| 2109 | PyObject_GC_UnTrack(it); |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2110 | while (i--) |
| 2111 | Py_XDECREF(it->parent_stack[i].parent); |
| 2112 | PyMem_Free(it->parent_stack); |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2113 | |
| 2114 | Py_XDECREF(it->sought_tag); |
| 2115 | Py_XDECREF(it->root_element); |
| 2116 | |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2117 | PyObject_GC_Del(it); |
| 2118 | } |
| 2119 | |
| 2120 | static int |
| 2121 | elementiter_traverse(ElementIterObject *it, visitproc visit, void *arg) |
| 2122 | { |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2123 | Py_ssize_t i = it->parent_stack_used; |
| 2124 | while (i--) |
| 2125 | Py_VISIT(it->parent_stack[i].parent); |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2126 | |
| 2127 | Py_VISIT(it->root_element); |
| 2128 | Py_VISIT(it->sought_tag); |
| 2129 | return 0; |
| 2130 | } |
| 2131 | |
| 2132 | /* Helper function for elementiter_next. Add a new parent to the parent stack. |
| 2133 | */ |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2134 | static int |
| 2135 | parent_stack_push_new(ElementIterObject *it, ElementObject *parent) |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2136 | { |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2137 | ParentLocator *item; |
| 2138 | |
| 2139 | if (it->parent_stack_used >= it->parent_stack_size) { |
| 2140 | Py_ssize_t new_size = it->parent_stack_size * 2; /* never overflow */ |
| 2141 | ParentLocator *parent_stack = it->parent_stack; |
| 2142 | PyMem_Resize(parent_stack, ParentLocator, new_size); |
| 2143 | if (parent_stack == NULL) |
| 2144 | return -1; |
| 2145 | it->parent_stack = parent_stack; |
| 2146 | it->parent_stack_size = new_size; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2147 | } |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2148 | item = it->parent_stack + it->parent_stack_used++; |
| 2149 | Py_INCREF(parent); |
| 2150 | item->parent = parent; |
| 2151 | item->child_index = 0; |
| 2152 | return 0; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2153 | } |
| 2154 | |
| 2155 | static PyObject * |
| 2156 | elementiter_next(ElementIterObject *it) |
| 2157 | { |
| 2158 | /* Sub-element iterator. |
Eli Bendersky | 4583990 | 2013-01-13 05:14:47 -0800 | [diff] [blame] | 2159 | * |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2160 | * A short note on gettext: this function serves both the iter() and |
| 2161 | * itertext() methods to avoid code duplication. However, there are a few |
| 2162 | * small differences in the way these iterations work. Namely: |
| 2163 | * - itertext() only yields text from nodes that have it, and continues |
| 2164 | * iterating when a node doesn't have text (so it doesn't return any |
| 2165 | * node like iter()) |
| 2166 | * - itertext() also has to handle tail, after finishing with all the |
| 2167 | * children of a node. |
| 2168 | */ |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 2169 | int rc; |
Serhiy Storchaka | 66c08d9 | 2015-12-21 11:09:48 +0200 | [diff] [blame] | 2170 | ElementObject *elem; |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2171 | PyObject *text; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2172 | |
| 2173 | while (1) { |
| 2174 | /* Handle the case reached in the beginning and end of iteration, where |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2175 | * 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] | 2176 | * iterator is exhausted. |
| 2177 | */ |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2178 | if (!it->parent_stack_used) { |
| 2179 | if (!it->root_element) { |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2180 | PyErr_SetNone(PyExc_StopIteration); |
| 2181 | return NULL; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2182 | } |
| 2183 | |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2184 | elem = it->root_element; /* steals a reference */ |
| 2185 | it->root_element = NULL; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2186 | } |
| 2187 | else { |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2188 | /* See if there are children left to traverse in the current parent. If |
| 2189 | * 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] | 2190 | */ |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2191 | ParentLocator *item = &it->parent_stack[it->parent_stack_used - 1]; |
| 2192 | Py_ssize_t child_index = item->child_index; |
| 2193 | ElementObjectExtra *extra; |
| 2194 | elem = item->parent; |
| 2195 | extra = elem->extra; |
| 2196 | if (!extra || child_index >= extra->length) { |
| 2197 | it->parent_stack_used--; |
| 2198 | /* Note that extra condition on it->parent_stack_used here; |
| 2199 | * this is because itertext() is supposed to only return *inner* |
| 2200 | * text, not text following the element it began iteration with. |
| 2201 | */ |
| 2202 | if (it->gettext && it->parent_stack_used) { |
| 2203 | text = element_get_tail(elem); |
| 2204 | goto gettext; |
| 2205 | } |
| 2206 | Py_DECREF(elem); |
| 2207 | continue; |
Serhiy Storchaka | 66c08d9 | 2015-12-21 11:09:48 +0200 | [diff] [blame] | 2208 | } |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2209 | |
Serhiy Storchaka | b11c566 | 2018-10-14 10:32:19 +0300 | [diff] [blame] | 2210 | if (!Element_Check(extra->children[child_index])) { |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 2211 | PyErr_Format(PyExc_AttributeError, |
| 2212 | "'%.100s' object has no attribute 'iter'", |
| 2213 | Py_TYPE(extra->children[child_index])->tp_name); |
| 2214 | return NULL; |
| 2215 | } |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2216 | elem = (ElementObject *)extra->children[child_index]; |
| 2217 | item->child_index++; |
| 2218 | Py_INCREF(elem); |
| 2219 | } |
| 2220 | |
| 2221 | if (parent_stack_push_new(it, elem) < 0) { |
| 2222 | Py_DECREF(elem); |
| 2223 | PyErr_NoMemory(); |
| 2224 | return NULL; |
| 2225 | } |
| 2226 | if (it->gettext) { |
| 2227 | text = element_get_text(elem); |
| 2228 | goto gettext; |
| 2229 | } |
| 2230 | |
| 2231 | if (it->sought_tag == Py_None) |
| 2232 | return (PyObject *)elem; |
| 2233 | |
| 2234 | rc = PyObject_RichCompareBool(elem->tag, it->sought_tag, Py_EQ); |
| 2235 | if (rc > 0) |
| 2236 | return (PyObject *)elem; |
| 2237 | |
| 2238 | Py_DECREF(elem); |
| 2239 | if (rc < 0) |
| 2240 | return NULL; |
| 2241 | continue; |
| 2242 | |
| 2243 | gettext: |
| 2244 | if (!text) { |
| 2245 | Py_DECREF(elem); |
| 2246 | return NULL; |
| 2247 | } |
| 2248 | if (text == Py_None) { |
| 2249 | Py_DECREF(elem); |
| 2250 | } |
| 2251 | else { |
| 2252 | Py_INCREF(text); |
| 2253 | Py_DECREF(elem); |
| 2254 | rc = PyObject_IsTrue(text); |
| 2255 | if (rc > 0) |
| 2256 | return text; |
| 2257 | Py_DECREF(text); |
| 2258 | if (rc < 0) |
| 2259 | return NULL; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2260 | } |
| 2261 | } |
| 2262 | |
| 2263 | return NULL; |
| 2264 | } |
| 2265 | |
| 2266 | |
| 2267 | static PyTypeObject ElementIter_Type = { |
| 2268 | PyVarObject_HEAD_INIT(NULL, 0) |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 2269 | /* Using the module's name since the pure-Python implementation does not |
| 2270 | have such a type. */ |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2271 | "_elementtree._element_iterator", /* tp_name */ |
| 2272 | sizeof(ElementIterObject), /* tp_basicsize */ |
| 2273 | 0, /* tp_itemsize */ |
| 2274 | /* methods */ |
| 2275 | (destructor)elementiter_dealloc, /* tp_dealloc */ |
| 2276 | 0, /* tp_print */ |
| 2277 | 0, /* tp_getattr */ |
| 2278 | 0, /* tp_setattr */ |
| 2279 | 0, /* tp_reserved */ |
| 2280 | 0, /* tp_repr */ |
| 2281 | 0, /* tp_as_number */ |
| 2282 | 0, /* tp_as_sequence */ |
| 2283 | 0, /* tp_as_mapping */ |
| 2284 | 0, /* tp_hash */ |
| 2285 | 0, /* tp_call */ |
| 2286 | 0, /* tp_str */ |
| 2287 | 0, /* tp_getattro */ |
| 2288 | 0, /* tp_setattro */ |
| 2289 | 0, /* tp_as_buffer */ |
| 2290 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /* tp_flags */ |
| 2291 | 0, /* tp_doc */ |
| 2292 | (traverseproc)elementiter_traverse, /* tp_traverse */ |
| 2293 | 0, /* tp_clear */ |
| 2294 | 0, /* tp_richcompare */ |
| 2295 | 0, /* tp_weaklistoffset */ |
| 2296 | PyObject_SelfIter, /* tp_iter */ |
| 2297 | (iternextfunc)elementiter_next, /* tp_iternext */ |
| 2298 | 0, /* tp_methods */ |
| 2299 | 0, /* tp_members */ |
| 2300 | 0, /* tp_getset */ |
| 2301 | 0, /* tp_base */ |
| 2302 | 0, /* tp_dict */ |
| 2303 | 0, /* tp_descr_get */ |
| 2304 | 0, /* tp_descr_set */ |
| 2305 | 0, /* tp_dictoffset */ |
| 2306 | 0, /* tp_init */ |
| 2307 | 0, /* tp_alloc */ |
| 2308 | 0, /* tp_new */ |
| 2309 | }; |
| 2310 | |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2311 | #define INIT_PARENT_STACK_SIZE 8 |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2312 | |
| 2313 | static PyObject * |
| 2314 | create_elementiter(ElementObject *self, PyObject *tag, int gettext) |
| 2315 | { |
| 2316 | ElementIterObject *it; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2317 | |
| 2318 | it = PyObject_GC_New(ElementIterObject, &ElementIter_Type); |
| 2319 | if (!it) |
| 2320 | return NULL; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2321 | |
Victor Stinner | 4d46343 | 2013-07-11 23:05:03 +0200 | [diff] [blame] | 2322 | Py_INCREF(tag); |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2323 | it->sought_tag = tag; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2324 | it->gettext = gettext; |
Victor Stinner | 4d46343 | 2013-07-11 23:05:03 +0200 | [diff] [blame] | 2325 | Py_INCREF(self); |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2326 | it->root_element = self; |
| 2327 | |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2328 | PyObject_GC_Track(it); |
Victor Stinner | d917dcb | 2013-07-12 02:05:17 +0200 | [diff] [blame] | 2329 | |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2330 | it->parent_stack = PyMem_New(ParentLocator, INIT_PARENT_STACK_SIZE); |
Victor Stinner | d917dcb | 2013-07-12 02:05:17 +0200 | [diff] [blame] | 2331 | if (it->parent_stack == NULL) { |
| 2332 | Py_DECREF(it); |
| 2333 | PyErr_NoMemory(); |
| 2334 | return NULL; |
| 2335 | } |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2336 | it->parent_stack_used = 0; |
| 2337 | it->parent_stack_size = INIT_PARENT_STACK_SIZE; |
Victor Stinner | d917dcb | 2013-07-12 02:05:17 +0200 | [diff] [blame] | 2338 | |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2339 | return (PyObject *)it; |
| 2340 | } |
| 2341 | |
| 2342 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2343 | /* ==================================================================== */ |
| 2344 | /* the tree builder type */ |
| 2345 | |
| 2346 | typedef struct { |
| 2347 | PyObject_HEAD |
| 2348 | |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2349 | PyObject *root; /* root node (first created node) */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2350 | |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2351 | PyObject *this; /* current node */ |
| 2352 | PyObject *last; /* most recently created node */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2353 | |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2354 | PyObject *data; /* data collector (string or list), or NULL */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2355 | |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2356 | PyObject *stack; /* element stack */ |
| 2357 | Py_ssize_t index; /* current stack size (0 means empty) */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2358 | |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2359 | PyObject *element_factory; |
| 2360 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2361 | /* element tracing */ |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 2362 | 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] | 2363 | PyObject *start_event_obj; /* event objects (NULL to ignore) */ |
| 2364 | PyObject *end_event_obj; |
| 2365 | PyObject *start_ns_event_obj; |
| 2366 | PyObject *end_ns_event_obj; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2367 | } TreeBuilderObject; |
| 2368 | |
Christian Heimes | 90aa764 | 2007-12-19 02:45:37 +0000 | [diff] [blame] | 2369 | #define TreeBuilder_CheckExact(op) (Py_TYPE(op) == &TreeBuilder_Type) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2370 | |
| 2371 | /* -------------------------------------------------------------------- */ |
| 2372 | /* constructor and destructor */ |
| 2373 | |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2374 | static PyObject * |
| 2375 | treebuilder_new(PyTypeObject *type, PyObject *args, PyObject *kwds) |
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 | TreeBuilderObject *t = (TreeBuilderObject *)type->tp_alloc(type, 0); |
| 2378 | if (t != NULL) { |
| 2379 | t->root = NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2380 | |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2381 | Py_INCREF(Py_None); |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2382 | t->this = Py_None; |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2383 | Py_INCREF(Py_None); |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2384 | t->last = Py_None; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2385 | |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2386 | t->data = NULL; |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2387 | t->element_factory = NULL; |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2388 | t->stack = PyList_New(20); |
| 2389 | if (!t->stack) { |
| 2390 | Py_DECREF(t->this); |
| 2391 | Py_DECREF(t->last); |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 2392 | Py_DECREF((PyObject *) t); |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2393 | return NULL; |
| 2394 | } |
| 2395 | t->index = 0; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2396 | |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 2397 | t->events_append = NULL; |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2398 | t->start_event_obj = t->end_event_obj = NULL; |
| 2399 | t->start_ns_event_obj = t->end_ns_event_obj = NULL; |
| 2400 | } |
| 2401 | return (PyObject *)t; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2402 | } |
| 2403 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 2404 | /*[clinic input] |
| 2405 | _elementtree.TreeBuilder.__init__ |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2406 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 2407 | element_factory: object = NULL |
| 2408 | |
| 2409 | [clinic start generated code]*/ |
| 2410 | |
| 2411 | static int |
| 2412 | _elementtree_TreeBuilder___init___impl(TreeBuilderObject *self, |
| 2413 | PyObject *element_factory) |
| 2414 | /*[clinic end generated code: output=91cfa7558970ee96 input=1b424eeefc35249c]*/ |
| 2415 | { |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2416 | if (element_factory) { |
| 2417 | Py_INCREF(element_factory); |
Serhiy Storchaka | ec39756 | 2016-04-06 09:50:03 +0300 | [diff] [blame] | 2418 | Py_XSETREF(self->element_factory, element_factory); |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2419 | } |
| 2420 | |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2421 | return 0; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2422 | } |
| 2423 | |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2424 | static int |
| 2425 | treebuilder_gc_traverse(TreeBuilderObject *self, visitproc visit, void *arg) |
| 2426 | { |
| 2427 | Py_VISIT(self->root); |
| 2428 | Py_VISIT(self->this); |
| 2429 | Py_VISIT(self->last); |
| 2430 | Py_VISIT(self->data); |
| 2431 | Py_VISIT(self->stack); |
| 2432 | Py_VISIT(self->element_factory); |
| 2433 | return 0; |
| 2434 | } |
| 2435 | |
| 2436 | static int |
| 2437 | treebuilder_gc_clear(TreeBuilderObject *self) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2438 | { |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 2439 | Py_CLEAR(self->end_ns_event_obj); |
| 2440 | Py_CLEAR(self->start_ns_event_obj); |
| 2441 | Py_CLEAR(self->end_event_obj); |
| 2442 | Py_CLEAR(self->start_event_obj); |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 2443 | Py_CLEAR(self->events_append); |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 2444 | Py_CLEAR(self->stack); |
| 2445 | Py_CLEAR(self->data); |
| 2446 | Py_CLEAR(self->last); |
| 2447 | Py_CLEAR(self->this); |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2448 | Py_CLEAR(self->element_factory); |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 2449 | Py_CLEAR(self->root); |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2450 | return 0; |
| 2451 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2452 | |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2453 | static void |
| 2454 | treebuilder_dealloc(TreeBuilderObject *self) |
| 2455 | { |
| 2456 | PyObject_GC_UnTrack(self); |
| 2457 | treebuilder_gc_clear(self); |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2458 | Py_TYPE(self)->tp_free((PyObject *)self); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2459 | } |
| 2460 | |
| 2461 | /* -------------------------------------------------------------------- */ |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2462 | /* helpers for handling of arbitrary element-like objects */ |
| 2463 | |
| 2464 | static int |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 2465 | treebuilder_set_element_text_or_tail(PyObject *element, PyObject **data, |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2466 | PyObject **dest, _Py_Identifier *name) |
| 2467 | { |
| 2468 | if (Element_CheckExact(element)) { |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 2469 | PyObject *tmp = JOIN_OBJ(*dest); |
| 2470 | *dest = JOIN_SET(*data, PyList_CheckExact(*data)); |
| 2471 | *data = NULL; |
| 2472 | Py_DECREF(tmp); |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2473 | return 0; |
| 2474 | } |
| 2475 | else { |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 2476 | PyObject *joined = list_join(*data); |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2477 | int r; |
| 2478 | if (joined == NULL) |
| 2479 | return -1; |
| 2480 | r = _PyObject_SetAttrId(element, name, joined); |
| 2481 | Py_DECREF(joined); |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 2482 | if (r < 0) |
| 2483 | return -1; |
| 2484 | Py_CLEAR(*data); |
| 2485 | return 0; |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2486 | } |
| 2487 | } |
| 2488 | |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 2489 | LOCAL(int) |
| 2490 | treebuilder_flush_data(TreeBuilderObject* self) |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2491 | { |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 2492 | PyObject *element = self->last; |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2493 | |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 2494 | if (!self->data) { |
| 2495 | return 0; |
| 2496 | } |
| 2497 | |
| 2498 | if (self->this == element) { |
| 2499 | _Py_IDENTIFIER(text); |
| 2500 | return treebuilder_set_element_text_or_tail( |
| 2501 | element, &self->data, |
| 2502 | &((ElementObject *) element)->text, &PyId_text); |
| 2503 | } |
| 2504 | else { |
| 2505 | _Py_IDENTIFIER(tail); |
| 2506 | return treebuilder_set_element_text_or_tail( |
| 2507 | element, &self->data, |
| 2508 | &((ElementObject *) element)->tail, &PyId_tail); |
| 2509 | } |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2510 | } |
| 2511 | |
| 2512 | static int |
| 2513 | treebuilder_add_subelement(PyObject *element, PyObject *child) |
| 2514 | { |
| 2515 | _Py_IDENTIFIER(append); |
| 2516 | if (Element_CheckExact(element)) { |
| 2517 | ElementObject *elem = (ElementObject *) element; |
| 2518 | return element_add_subelement(elem, child); |
| 2519 | } |
| 2520 | else { |
| 2521 | PyObject *res; |
Victor Stinner | f561634 | 2016-12-09 15:26:00 +0100 | [diff] [blame] | 2522 | res = _PyObject_CallMethodIdObjArgs(element, &PyId_append, child, NULL); |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2523 | if (res == NULL) |
| 2524 | return -1; |
| 2525 | Py_DECREF(res); |
| 2526 | return 0; |
| 2527 | } |
| 2528 | } |
| 2529 | |
Serhiy Storchaka | 7efaf95 | 2015-12-06 23:51:44 +0200 | [diff] [blame] | 2530 | LOCAL(int) |
| 2531 | treebuilder_append_event(TreeBuilderObject *self, PyObject *action, |
| 2532 | PyObject *node) |
| 2533 | { |
| 2534 | if (action != NULL) { |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 2535 | PyObject *res; |
| 2536 | PyObject *event = PyTuple_Pack(2, action, node); |
| 2537 | if (event == NULL) |
| 2538 | return -1; |
Victor Stinner | de4ae3d | 2016-12-04 22:59:09 +0100 | [diff] [blame] | 2539 | res = PyObject_CallFunctionObjArgs(self->events_append, event, NULL); |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 2540 | Py_DECREF(event); |
Serhiy Storchaka | 7efaf95 | 2015-12-06 23:51:44 +0200 | [diff] [blame] | 2541 | if (res == NULL) |
| 2542 | return -1; |
Serhiy Storchaka | 7efaf95 | 2015-12-06 23:51:44 +0200 | [diff] [blame] | 2543 | Py_DECREF(res); |
| 2544 | } |
| 2545 | return 0; |
| 2546 | } |
| 2547 | |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2548 | /* -------------------------------------------------------------------- */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2549 | /* handlers */ |
| 2550 | |
| 2551 | LOCAL(PyObject*) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2552 | treebuilder_handle_start(TreeBuilderObject* self, PyObject* tag, |
| 2553 | PyObject* attrib) |
| 2554 | { |
| 2555 | PyObject* node; |
| 2556 | PyObject* this; |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 2557 | elementtreestate *st = ET_STATE_GLOBAL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2558 | |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 2559 | if (treebuilder_flush_data(self) < 0) { |
| 2560 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2561 | } |
| 2562 | |
Serhiy Storchaka | 36ff997 | 2015-12-10 09:51:53 +0200 | [diff] [blame] | 2563 | if (!self->element_factory || self->element_factory == Py_None) { |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2564 | node = create_new_element(tag, attrib); |
Serhiy Storchaka | 36ff997 | 2015-12-10 09:51:53 +0200 | [diff] [blame] | 2565 | } else if (attrib == Py_None) { |
| 2566 | attrib = PyDict_New(); |
| 2567 | if (!attrib) |
| 2568 | return NULL; |
Victor Stinner | 5abaa2b | 2016-12-09 16:22:32 +0100 | [diff] [blame] | 2569 | node = PyObject_CallFunctionObjArgs(self->element_factory, |
| 2570 | tag, attrib, NULL); |
Serhiy Storchaka | 36ff997 | 2015-12-10 09:51:53 +0200 | [diff] [blame] | 2571 | Py_DECREF(attrib); |
| 2572 | } |
| 2573 | else { |
Victor Stinner | 5abaa2b | 2016-12-09 16:22:32 +0100 | [diff] [blame] | 2574 | node = PyObject_CallFunctionObjArgs(self->element_factory, |
| 2575 | tag, attrib, NULL); |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2576 | } |
| 2577 | if (!node) { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2578 | return NULL; |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2579 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2580 | |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2581 | this = self->this; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2582 | |
| 2583 | if (this != Py_None) { |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2584 | if (treebuilder_add_subelement(this, node) < 0) |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 2585 | goto error; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2586 | } else { |
| 2587 | if (self->root) { |
| 2588 | PyErr_SetString( |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 2589 | st->parseerror_obj, |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2590 | "multiple elements on top level" |
| 2591 | ); |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 2592 | goto error; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2593 | } |
| 2594 | Py_INCREF(node); |
| 2595 | self->root = node; |
| 2596 | } |
| 2597 | |
| 2598 | if (self->index < PyList_GET_SIZE(self->stack)) { |
| 2599 | if (PyList_SetItem(self->stack, self->index, this) < 0) |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 2600 | goto error; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2601 | Py_INCREF(this); |
| 2602 | } else { |
| 2603 | if (PyList_Append(self->stack, this) < 0) |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 2604 | goto error; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2605 | } |
| 2606 | self->index++; |
| 2607 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2608 | Py_INCREF(node); |
Serhiy Storchaka | 57a01d3 | 2016-04-10 18:05:40 +0300 | [diff] [blame] | 2609 | Py_SETREF(self->this, node); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2610 | Py_INCREF(node); |
Serhiy Storchaka | 57a01d3 | 2016-04-10 18:05:40 +0300 | [diff] [blame] | 2611 | Py_SETREF(self->last, node); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2612 | |
Serhiy Storchaka | 7efaf95 | 2015-12-06 23:51:44 +0200 | [diff] [blame] | 2613 | if (treebuilder_append_event(self, self->start_event_obj, node) < 0) |
| 2614 | goto error; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2615 | |
| 2616 | return node; |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 2617 | |
| 2618 | error: |
| 2619 | Py_DECREF(node); |
| 2620 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2621 | } |
| 2622 | |
| 2623 | LOCAL(PyObject*) |
| 2624 | treebuilder_handle_data(TreeBuilderObject* self, PyObject* data) |
| 2625 | { |
| 2626 | if (!self->data) { |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2627 | if (self->last == Py_None) { |
Thomas Wouters | 00ee7ba | 2006-08-21 19:07:27 +0000 | [diff] [blame] | 2628 | /* ignore calls to data before the first call to start */ |
| 2629 | Py_RETURN_NONE; |
| 2630 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2631 | /* store the first item as is */ |
| 2632 | Py_INCREF(data); self->data = data; |
| 2633 | } else { |
| 2634 | /* more than one item; use a list to collect items */ |
Christian Heimes | 72b710a | 2008-05-26 13:28:38 +0000 | [diff] [blame] | 2635 | if (PyBytes_CheckExact(self->data) && Py_REFCNT(self->data) == 1 && |
| 2636 | PyBytes_CheckExact(data) && PyBytes_GET_SIZE(data) == 1) { |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 2637 | /* XXX this code path unused in Python 3? */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2638 | /* expat often generates single character data sections; handle |
| 2639 | the most common case by resizing the existing string... */ |
Christian Heimes | 72b710a | 2008-05-26 13:28:38 +0000 | [diff] [blame] | 2640 | Py_ssize_t size = PyBytes_GET_SIZE(self->data); |
| 2641 | if (_PyBytes_Resize(&self->data, size + 1) < 0) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2642 | return NULL; |
Christian Heimes | 72b710a | 2008-05-26 13:28:38 +0000 | [diff] [blame] | 2643 | PyBytes_AS_STRING(self->data)[size] = PyBytes_AS_STRING(data)[0]; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2644 | } else if (PyList_CheckExact(self->data)) { |
| 2645 | if (PyList_Append(self->data, data) < 0) |
| 2646 | return NULL; |
| 2647 | } else { |
| 2648 | PyObject* list = PyList_New(2); |
| 2649 | if (!list) |
| 2650 | return NULL; |
| 2651 | PyList_SET_ITEM(list, 0, self->data); |
| 2652 | Py_INCREF(data); PyList_SET_ITEM(list, 1, data); |
| 2653 | self->data = list; |
| 2654 | } |
| 2655 | } |
| 2656 | |
| 2657 | Py_RETURN_NONE; |
| 2658 | } |
| 2659 | |
| 2660 | LOCAL(PyObject*) |
| 2661 | treebuilder_handle_end(TreeBuilderObject* self, PyObject* tag) |
| 2662 | { |
| 2663 | PyObject* item; |
| 2664 | |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 2665 | if (treebuilder_flush_data(self) < 0) { |
| 2666 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2667 | } |
| 2668 | |
| 2669 | if (self->index == 0) { |
| 2670 | PyErr_SetString( |
| 2671 | PyExc_IndexError, |
| 2672 | "pop from empty stack" |
| 2673 | ); |
| 2674 | return NULL; |
| 2675 | } |
| 2676 | |
Serhiy Storchaka | 191321d | 2015-12-27 15:41:34 +0200 | [diff] [blame] | 2677 | item = self->last; |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2678 | self->last = self->this; |
Serhiy Storchaka | 191321d | 2015-12-27 15:41:34 +0200 | [diff] [blame] | 2679 | self->index--; |
| 2680 | self->this = PyList_GET_ITEM(self->stack, self->index); |
| 2681 | Py_INCREF(self->this); |
| 2682 | Py_DECREF(item); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2683 | |
Serhiy Storchaka | 7efaf95 | 2015-12-06 23:51:44 +0200 | [diff] [blame] | 2684 | if (treebuilder_append_event(self, self->end_event_obj, self->last) < 0) |
| 2685 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2686 | |
| 2687 | Py_INCREF(self->last); |
| 2688 | return (PyObject*) self->last; |
| 2689 | } |
| 2690 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2691 | /* -------------------------------------------------------------------- */ |
| 2692 | /* methods (in alphabetical order) */ |
| 2693 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 2694 | /*[clinic input] |
| 2695 | _elementtree.TreeBuilder.data |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2696 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 2697 | data: object |
| 2698 | / |
| 2699 | |
| 2700 | [clinic start generated code]*/ |
| 2701 | |
| 2702 | static PyObject * |
| 2703 | _elementtree_TreeBuilder_data(TreeBuilderObject *self, PyObject *data) |
| 2704 | /*[clinic end generated code: output=69144c7100795bb2 input=a0540c532b284d29]*/ |
| 2705 | { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2706 | return treebuilder_handle_data(self, data); |
| 2707 | } |
| 2708 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 2709 | /*[clinic input] |
| 2710 | _elementtree.TreeBuilder.end |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2711 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 2712 | tag: object |
| 2713 | / |
| 2714 | |
| 2715 | [clinic start generated code]*/ |
| 2716 | |
| 2717 | static PyObject * |
| 2718 | _elementtree_TreeBuilder_end(TreeBuilderObject *self, PyObject *tag) |
| 2719 | /*[clinic end generated code: output=9a98727cc691cd9d input=22dc3674236f5745]*/ |
| 2720 | { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2721 | return treebuilder_handle_end(self, tag); |
| 2722 | } |
| 2723 | |
| 2724 | LOCAL(PyObject*) |
| 2725 | treebuilder_done(TreeBuilderObject* self) |
| 2726 | { |
| 2727 | PyObject* res; |
| 2728 | |
| 2729 | /* FIXME: check stack size? */ |
| 2730 | |
| 2731 | if (self->root) |
| 2732 | res = self->root; |
| 2733 | else |
| 2734 | res = Py_None; |
| 2735 | |
| 2736 | Py_INCREF(res); |
| 2737 | return res; |
| 2738 | } |
| 2739 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 2740 | /*[clinic input] |
| 2741 | _elementtree.TreeBuilder.close |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2742 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 2743 | [clinic start generated code]*/ |
| 2744 | |
| 2745 | static PyObject * |
| 2746 | _elementtree_TreeBuilder_close_impl(TreeBuilderObject *self) |
| 2747 | /*[clinic end generated code: output=b441fee3202f61ee input=f7c9c65dc718de14]*/ |
| 2748 | { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2749 | return treebuilder_done(self); |
| 2750 | } |
| 2751 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 2752 | /*[clinic input] |
| 2753 | _elementtree.TreeBuilder.start |
| 2754 | |
| 2755 | tag: object |
| 2756 | attrs: object = None |
| 2757 | / |
| 2758 | |
| 2759 | [clinic start generated code]*/ |
| 2760 | |
| 2761 | static PyObject * |
| 2762 | _elementtree_TreeBuilder_start_impl(TreeBuilderObject *self, PyObject *tag, |
| 2763 | PyObject *attrs) |
| 2764 | /*[clinic end generated code: output=e7e9dc2861349411 input=95fc1758dd042c65]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2765 | { |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 2766 | return treebuilder_handle_start(self, tag, attrs); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2767 | } |
| 2768 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2769 | /* ==================================================================== */ |
| 2770 | /* the expat interface */ |
| 2771 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2772 | #include "expat.h" |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2773 | #include "pyexpat.h" |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 2774 | |
| 2775 | /* The PyExpat_CAPI structure is an immutable dispatch table, so it can be |
| 2776 | * cached globally without being in per-module state. |
| 2777 | */ |
Eli Bendersky | 20d4174 | 2012-06-01 09:48:37 +0300 | [diff] [blame] | 2778 | static struct PyExpat_CAPI *expat_capi; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2779 | #define EXPAT(func) (expat_capi->func) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2780 | |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 2781 | static XML_Memory_Handling_Suite ExpatMemoryHandler = { |
| 2782 | PyObject_Malloc, PyObject_Realloc, PyObject_Free}; |
| 2783 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2784 | typedef struct { |
| 2785 | PyObject_HEAD |
| 2786 | |
| 2787 | XML_Parser parser; |
| 2788 | |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 2789 | PyObject *target; |
| 2790 | PyObject *entity; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2791 | |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 2792 | PyObject *names; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2793 | |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 2794 | PyObject *handle_start; |
| 2795 | PyObject *handle_data; |
| 2796 | PyObject *handle_end; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2797 | |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 2798 | PyObject *handle_comment; |
| 2799 | PyObject *handle_pi; |
| 2800 | PyObject *handle_doctype; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2801 | |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 2802 | PyObject *handle_close; |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2803 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2804 | } XMLParserObject; |
| 2805 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2806 | /* helpers */ |
| 2807 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2808 | LOCAL(PyObject*) |
| 2809 | makeuniversal(XMLParserObject* self, const char* string) |
| 2810 | { |
| 2811 | /* convert a UTF-8 tag/attribute name from the expat parser |
| 2812 | to a universal name string */ |
| 2813 | |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 2814 | Py_ssize_t size = (Py_ssize_t) strlen(string); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2815 | PyObject* key; |
| 2816 | PyObject* value; |
| 2817 | |
| 2818 | /* look the 'raw' name up in the names dictionary */ |
Christian Heimes | 72b710a | 2008-05-26 13:28:38 +0000 | [diff] [blame] | 2819 | key = PyBytes_FromStringAndSize(string, size); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2820 | if (!key) |
| 2821 | return NULL; |
| 2822 | |
| 2823 | value = PyDict_GetItem(self->names, key); |
| 2824 | |
| 2825 | if (value) { |
| 2826 | Py_INCREF(value); |
| 2827 | } else { |
| 2828 | /* new name. convert to universal name, and decode as |
| 2829 | necessary */ |
| 2830 | |
| 2831 | PyObject* tag; |
| 2832 | char* p; |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 2833 | Py_ssize_t i; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2834 | |
| 2835 | /* look for namespace separator */ |
| 2836 | for (i = 0; i < size; i++) |
| 2837 | if (string[i] == '}') |
| 2838 | break; |
| 2839 | if (i != size) { |
| 2840 | /* convert to universal name */ |
Christian Heimes | 72b710a | 2008-05-26 13:28:38 +0000 | [diff] [blame] | 2841 | tag = PyBytes_FromStringAndSize(NULL, size+1); |
Victor Stinner | 71c8b7e | 2013-07-11 23:08:39 +0200 | [diff] [blame] | 2842 | if (tag == NULL) { |
| 2843 | Py_DECREF(key); |
| 2844 | return NULL; |
| 2845 | } |
Christian Heimes | 72b710a | 2008-05-26 13:28:38 +0000 | [diff] [blame] | 2846 | p = PyBytes_AS_STRING(tag); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2847 | p[0] = '{'; |
| 2848 | memcpy(p+1, string, size); |
| 2849 | size++; |
| 2850 | } else { |
| 2851 | /* plain name; use key as tag */ |
| 2852 | Py_INCREF(key); |
| 2853 | tag = key; |
| 2854 | } |
Victor Stinner | bfc7bf0 | 2011-03-21 13:23:42 +0100 | [diff] [blame] | 2855 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2856 | /* decode universal name */ |
Christian Heimes | 72b710a | 2008-05-26 13:28:38 +0000 | [diff] [blame] | 2857 | p = PyBytes_AS_STRING(tag); |
Neal Norwitz | 0269b91 | 2007-08-08 06:56:02 +0000 | [diff] [blame] | 2858 | value = PyUnicode_DecodeUTF8(p, size, "strict"); |
| 2859 | Py_DECREF(tag); |
| 2860 | if (!value) { |
| 2861 | Py_DECREF(key); |
| 2862 | return NULL; |
| 2863 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2864 | |
| 2865 | /* add to names dictionary */ |
| 2866 | if (PyDict_SetItem(self->names, key, value) < 0) { |
| 2867 | Py_DECREF(key); |
| 2868 | Py_DECREF(value); |
| 2869 | return NULL; |
| 2870 | } |
| 2871 | } |
| 2872 | |
| 2873 | Py_DECREF(key); |
| 2874 | return value; |
| 2875 | } |
| 2876 | |
Eli Bendersky | 5b77d81 | 2012-03-16 08:20:05 +0200 | [diff] [blame] | 2877 | /* Set the ParseError exception with the given parameters. |
| 2878 | * If message is not NULL, it's used as the error string. Otherwise, the |
| 2879 | * message string is the default for the given error_code. |
| 2880 | */ |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2881 | static void |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 2882 | expat_set_error(enum XML_Error error_code, Py_ssize_t line, Py_ssize_t column, |
| 2883 | const char *message) |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2884 | { |
Eli Bendersky | 5b77d81 | 2012-03-16 08:20:05 +0200 | [diff] [blame] | 2885 | PyObject *errmsg, *error, *position, *code; |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 2886 | elementtreestate *st = ET_STATE_GLOBAL; |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2887 | |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 2888 | errmsg = PyUnicode_FromFormat("%s: line %zd, column %zd", |
Eli Bendersky | 5b77d81 | 2012-03-16 08:20:05 +0200 | [diff] [blame] | 2889 | message ? message : EXPAT(ErrorString)(error_code), |
| 2890 | line, column); |
Victor Stinner | 499dfcf | 2011-03-21 13:26:24 +0100 | [diff] [blame] | 2891 | if (errmsg == NULL) |
| 2892 | return; |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2893 | |
Victor Stinner | 7bfb42d | 2016-12-05 17:04:32 +0100 | [diff] [blame] | 2894 | error = PyObject_CallFunctionObjArgs(st->parseerror_obj, errmsg, NULL); |
Victor Stinner | 499dfcf | 2011-03-21 13:26:24 +0100 | [diff] [blame] | 2895 | Py_DECREF(errmsg); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2896 | if (!error) |
| 2897 | return; |
| 2898 | |
Eli Bendersky | 5b77d81 | 2012-03-16 08:20:05 +0200 | [diff] [blame] | 2899 | /* Add code and position attributes */ |
| 2900 | code = PyLong_FromLong((long)error_code); |
| 2901 | if (!code) { |
| 2902 | Py_DECREF(error); |
| 2903 | return; |
| 2904 | } |
| 2905 | if (PyObject_SetAttrString(error, "code", code) == -1) { |
| 2906 | Py_DECREF(error); |
| 2907 | Py_DECREF(code); |
| 2908 | return; |
| 2909 | } |
| 2910 | Py_DECREF(code); |
| 2911 | |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 2912 | position = Py_BuildValue("(nn)", line, column); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2913 | if (!position) { |
| 2914 | Py_DECREF(error); |
| 2915 | return; |
| 2916 | } |
| 2917 | if (PyObject_SetAttrString(error, "position", position) == -1) { |
| 2918 | Py_DECREF(error); |
| 2919 | Py_DECREF(position); |
| 2920 | return; |
| 2921 | } |
| 2922 | Py_DECREF(position); |
| 2923 | |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 2924 | PyErr_SetObject(st->parseerror_obj, error); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2925 | Py_DECREF(error); |
| 2926 | } |
| 2927 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2928 | /* -------------------------------------------------------------------- */ |
| 2929 | /* handlers */ |
| 2930 | |
| 2931 | static void |
| 2932 | expat_default_handler(XMLParserObject* self, const XML_Char* data_in, |
| 2933 | int data_len) |
| 2934 | { |
| 2935 | PyObject* key; |
| 2936 | PyObject* value; |
| 2937 | PyObject* res; |
| 2938 | |
| 2939 | if (data_len < 2 || data_in[0] != '&') |
| 2940 | return; |
| 2941 | |
Victor Stinner | 3fd8cbd | 2013-07-18 22:46:14 +0200 | [diff] [blame] | 2942 | if (PyErr_Occurred()) |
| 2943 | return; |
| 2944 | |
Neal Norwitz | 0269b91 | 2007-08-08 06:56:02 +0000 | [diff] [blame] | 2945 | key = PyUnicode_DecodeUTF8(data_in + 1, data_len - 2, "strict"); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2946 | if (!key) |
| 2947 | return; |
| 2948 | |
| 2949 | value = PyDict_GetItem(self->entity, key); |
| 2950 | |
| 2951 | if (value) { |
| 2952 | if (TreeBuilder_CheckExact(self->target)) |
| 2953 | res = treebuilder_handle_data( |
| 2954 | (TreeBuilderObject*) self->target, value |
| 2955 | ); |
| 2956 | else if (self->handle_data) |
Victor Stinner | 7bfb42d | 2016-12-05 17:04:32 +0100 | [diff] [blame] | 2957 | res = PyObject_CallFunctionObjArgs(self->handle_data, value, NULL); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2958 | else |
| 2959 | res = NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2960 | Py_XDECREF(res); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2961 | } else if (!PyErr_Occurred()) { |
| 2962 | /* Report the first error, not the last */ |
Alexander Belopolsky | e239d23 | 2010-12-08 23:31:48 +0000 | [diff] [blame] | 2963 | char message[128] = "undefined entity "; |
| 2964 | strncat(message, data_in, data_len < 100?data_len:100); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2965 | expat_set_error( |
Eli Bendersky | 5b77d81 | 2012-03-16 08:20:05 +0200 | [diff] [blame] | 2966 | XML_ERROR_UNDEFINED_ENTITY, |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2967 | EXPAT(GetErrorLineNumber)(self->parser), |
Eli Bendersky | 5b77d81 | 2012-03-16 08:20:05 +0200 | [diff] [blame] | 2968 | EXPAT(GetErrorColumnNumber)(self->parser), |
| 2969 | message |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2970 | ); |
| 2971 | } |
| 2972 | |
| 2973 | Py_DECREF(key); |
| 2974 | } |
| 2975 | |
| 2976 | static void |
| 2977 | expat_start_handler(XMLParserObject* self, const XML_Char* tag_in, |
| 2978 | const XML_Char **attrib_in) |
| 2979 | { |
| 2980 | PyObject* res; |
| 2981 | PyObject* tag; |
| 2982 | PyObject* attrib; |
| 2983 | int ok; |
| 2984 | |
Victor Stinner | 3fd8cbd | 2013-07-18 22:46:14 +0200 | [diff] [blame] | 2985 | if (PyErr_Occurred()) |
| 2986 | return; |
| 2987 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2988 | /* tag name */ |
| 2989 | tag = makeuniversal(self, tag_in); |
| 2990 | if (!tag) |
| 2991 | return; /* parser will look for errors */ |
| 2992 | |
| 2993 | /* attributes */ |
| 2994 | if (attrib_in[0]) { |
| 2995 | attrib = PyDict_New(); |
Serhiy Storchaka | a29eb08 | 2015-12-09 19:44:30 +0200 | [diff] [blame] | 2996 | if (!attrib) { |
| 2997 | Py_DECREF(tag); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2998 | return; |
Serhiy Storchaka | a29eb08 | 2015-12-09 19:44:30 +0200 | [diff] [blame] | 2999 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3000 | while (attrib_in[0] && attrib_in[1]) { |
| 3001 | PyObject* key = makeuniversal(self, attrib_in[0]); |
Neal Norwitz | 0269b91 | 2007-08-08 06:56:02 +0000 | [diff] [blame] | 3002 | PyObject* value = PyUnicode_DecodeUTF8(attrib_in[1], strlen(attrib_in[1]), "strict"); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3003 | if (!key || !value) { |
| 3004 | Py_XDECREF(value); |
| 3005 | Py_XDECREF(key); |
| 3006 | Py_DECREF(attrib); |
Serhiy Storchaka | a29eb08 | 2015-12-09 19:44:30 +0200 | [diff] [blame] | 3007 | Py_DECREF(tag); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3008 | return; |
| 3009 | } |
| 3010 | ok = PyDict_SetItem(attrib, key, value); |
| 3011 | Py_DECREF(value); |
| 3012 | Py_DECREF(key); |
| 3013 | if (ok < 0) { |
| 3014 | Py_DECREF(attrib); |
Serhiy Storchaka | a29eb08 | 2015-12-09 19:44:30 +0200 | [diff] [blame] | 3015 | Py_DECREF(tag); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3016 | return; |
| 3017 | } |
| 3018 | attrib_in += 2; |
| 3019 | } |
| 3020 | } else { |
Serhiy Storchaka | 36ff997 | 2015-12-10 09:51:53 +0200 | [diff] [blame] | 3021 | Py_INCREF(Py_None); |
| 3022 | attrib = Py_None; |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 3023 | } |
| 3024 | |
| 3025 | if (TreeBuilder_CheckExact(self->target)) { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3026 | /* shortcut */ |
| 3027 | res = treebuilder_handle_start((TreeBuilderObject*) self->target, |
| 3028 | tag, attrib); |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 3029 | } |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 3030 | else if (self->handle_start) { |
Serhiy Storchaka | 36ff997 | 2015-12-10 09:51:53 +0200 | [diff] [blame] | 3031 | if (attrib == Py_None) { |
| 3032 | Py_DECREF(attrib); |
| 3033 | attrib = PyDict_New(); |
| 3034 | if (!attrib) { |
| 3035 | Py_DECREF(tag); |
| 3036 | return; |
| 3037 | } |
| 3038 | } |
Victor Stinner | 5abaa2b | 2016-12-09 16:22:32 +0100 | [diff] [blame] | 3039 | res = PyObject_CallFunctionObjArgs(self->handle_start, |
| 3040 | tag, attrib, NULL); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 3041 | } else |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3042 | res = NULL; |
| 3043 | |
| 3044 | Py_DECREF(tag); |
| 3045 | Py_DECREF(attrib); |
| 3046 | |
| 3047 | Py_XDECREF(res); |
| 3048 | } |
| 3049 | |
| 3050 | static void |
| 3051 | expat_data_handler(XMLParserObject* self, const XML_Char* data_in, |
| 3052 | int data_len) |
| 3053 | { |
| 3054 | PyObject* data; |
| 3055 | PyObject* res; |
| 3056 | |
Victor Stinner | 3fd8cbd | 2013-07-18 22:46:14 +0200 | [diff] [blame] | 3057 | if (PyErr_Occurred()) |
| 3058 | return; |
| 3059 | |
Neal Norwitz | 0269b91 | 2007-08-08 06:56:02 +0000 | [diff] [blame] | 3060 | data = PyUnicode_DecodeUTF8(data_in, data_len, "strict"); |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 3061 | if (!data) |
| 3062 | return; /* parser will look for errors */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3063 | |
| 3064 | if (TreeBuilder_CheckExact(self->target)) |
| 3065 | /* shortcut */ |
| 3066 | res = treebuilder_handle_data((TreeBuilderObject*) self->target, data); |
| 3067 | else if (self->handle_data) |
Victor Stinner | 7bfb42d | 2016-12-05 17:04:32 +0100 | [diff] [blame] | 3068 | res = PyObject_CallFunctionObjArgs(self->handle_data, data, NULL); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3069 | else |
| 3070 | res = NULL; |
| 3071 | |
| 3072 | Py_DECREF(data); |
| 3073 | |
| 3074 | Py_XDECREF(res); |
| 3075 | } |
| 3076 | |
| 3077 | static void |
| 3078 | expat_end_handler(XMLParserObject* self, const XML_Char* tag_in) |
| 3079 | { |
| 3080 | PyObject* tag; |
| 3081 | PyObject* res = NULL; |
| 3082 | |
Victor Stinner | 3fd8cbd | 2013-07-18 22:46:14 +0200 | [diff] [blame] | 3083 | if (PyErr_Occurred()) |
| 3084 | return; |
| 3085 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3086 | if (TreeBuilder_CheckExact(self->target)) |
| 3087 | /* shortcut */ |
| 3088 | /* the standard tree builder doesn't look at the end tag */ |
| 3089 | res = treebuilder_handle_end( |
| 3090 | (TreeBuilderObject*) self->target, Py_None |
| 3091 | ); |
| 3092 | else if (self->handle_end) { |
| 3093 | tag = makeuniversal(self, tag_in); |
| 3094 | if (tag) { |
Victor Stinner | 7bfb42d | 2016-12-05 17:04:32 +0100 | [diff] [blame] | 3095 | res = PyObject_CallFunctionObjArgs(self->handle_end, tag, NULL); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3096 | Py_DECREF(tag); |
| 3097 | } |
| 3098 | } |
| 3099 | |
| 3100 | Py_XDECREF(res); |
| 3101 | } |
| 3102 | |
| 3103 | static void |
| 3104 | expat_start_ns_handler(XMLParserObject* self, const XML_Char* prefix, |
| 3105 | const XML_Char *uri) |
| 3106 | { |
Serhiy Storchaka | 7efaf95 | 2015-12-06 23:51:44 +0200 | [diff] [blame] | 3107 | TreeBuilderObject *target = (TreeBuilderObject*) self->target; |
| 3108 | PyObject *parcel; |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 3109 | |
Victor Stinner | 3fd8cbd | 2013-07-18 22:46:14 +0200 | [diff] [blame] | 3110 | if (PyErr_Occurred()) |
| 3111 | return; |
| 3112 | |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 3113 | if (!target->events_append || !target->start_ns_event_obj) |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 3114 | return; |
| 3115 | |
Serhiy Storchaka | 7efaf95 | 2015-12-06 23:51:44 +0200 | [diff] [blame] | 3116 | if (!uri) |
| 3117 | uri = ""; |
| 3118 | if (!prefix) |
| 3119 | prefix = ""; |
| 3120 | |
| 3121 | parcel = Py_BuildValue("ss", prefix, uri); |
| 3122 | if (!parcel) |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 3123 | return; |
Serhiy Storchaka | 7efaf95 | 2015-12-06 23:51:44 +0200 | [diff] [blame] | 3124 | treebuilder_append_event(target, target->start_ns_event_obj, parcel); |
| 3125 | Py_DECREF(parcel); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3126 | } |
| 3127 | |
| 3128 | static void |
| 3129 | expat_end_ns_handler(XMLParserObject* self, const XML_Char* prefix_in) |
| 3130 | { |
Serhiy Storchaka | 7efaf95 | 2015-12-06 23:51:44 +0200 | [diff] [blame] | 3131 | TreeBuilderObject *target = (TreeBuilderObject*) self->target; |
| 3132 | |
Victor Stinner | 3fd8cbd | 2013-07-18 22:46:14 +0200 | [diff] [blame] | 3133 | if (PyErr_Occurred()) |
| 3134 | return; |
| 3135 | |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 3136 | if (!target->events_append) |
Serhiy Storchaka | 7efaf95 | 2015-12-06 23:51:44 +0200 | [diff] [blame] | 3137 | return; |
| 3138 | |
| 3139 | treebuilder_append_event(target, target->end_ns_event_obj, Py_None); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3140 | } |
| 3141 | |
| 3142 | static void |
| 3143 | expat_comment_handler(XMLParserObject* self, const XML_Char* comment_in) |
| 3144 | { |
| 3145 | PyObject* comment; |
| 3146 | PyObject* res; |
| 3147 | |
Victor Stinner | 3fd8cbd | 2013-07-18 22:46:14 +0200 | [diff] [blame] | 3148 | if (PyErr_Occurred()) |
| 3149 | return; |
| 3150 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3151 | if (self->handle_comment) { |
Neal Norwitz | 0269b91 | 2007-08-08 06:56:02 +0000 | [diff] [blame] | 3152 | comment = PyUnicode_DecodeUTF8(comment_in, strlen(comment_in), "strict"); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3153 | if (comment) { |
Victor Stinner | 7bfb42d | 2016-12-05 17:04:32 +0100 | [diff] [blame] | 3154 | res = PyObject_CallFunctionObjArgs(self->handle_comment, |
| 3155 | comment, NULL); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3156 | Py_XDECREF(res); |
| 3157 | Py_DECREF(comment); |
| 3158 | } |
| 3159 | } |
| 3160 | } |
| 3161 | |
Eli Bendersky | 4583990 | 2013-01-13 05:14:47 -0800 | [diff] [blame] | 3162 | static void |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 3163 | expat_start_doctype_handler(XMLParserObject *self, |
| 3164 | const XML_Char *doctype_name, |
| 3165 | const XML_Char *sysid, |
| 3166 | const XML_Char *pubid, |
| 3167 | int has_internal_subset) |
| 3168 | { |
Serhiy Storchaka | 02ec92f | 2018-07-24 12:03:34 +0300 | [diff] [blame] | 3169 | _Py_IDENTIFIER(doctype); |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 3170 | PyObject *doctype_name_obj, *sysid_obj, *pubid_obj; |
Serhiy Storchaka | 02ec92f | 2018-07-24 12:03:34 +0300 | [diff] [blame] | 3171 | PyObject *res; |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 3172 | |
Victor Stinner | 3fd8cbd | 2013-07-18 22:46:14 +0200 | [diff] [blame] | 3173 | if (PyErr_Occurred()) |
| 3174 | return; |
| 3175 | |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 3176 | doctype_name_obj = makeuniversal(self, doctype_name); |
| 3177 | if (!doctype_name_obj) |
| 3178 | return; |
| 3179 | |
| 3180 | if (sysid) { |
| 3181 | sysid_obj = makeuniversal(self, sysid); |
| 3182 | if (!sysid_obj) { |
| 3183 | Py_DECREF(doctype_name_obj); |
| 3184 | return; |
| 3185 | } |
| 3186 | } else { |
| 3187 | Py_INCREF(Py_None); |
| 3188 | sysid_obj = Py_None; |
| 3189 | } |
| 3190 | |
| 3191 | if (pubid) { |
| 3192 | pubid_obj = makeuniversal(self, pubid); |
| 3193 | if (!pubid_obj) { |
| 3194 | Py_DECREF(doctype_name_obj); |
| 3195 | Py_DECREF(sysid_obj); |
| 3196 | return; |
| 3197 | } |
| 3198 | } else { |
| 3199 | Py_INCREF(Py_None); |
| 3200 | pubid_obj = Py_None; |
| 3201 | } |
| 3202 | |
| 3203 | /* If the target has a handler for doctype, call it. */ |
| 3204 | if (self->handle_doctype) { |
Victor Stinner | 5abaa2b | 2016-12-09 16:22:32 +0100 | [diff] [blame] | 3205 | res = PyObject_CallFunctionObjArgs(self->handle_doctype, |
| 3206 | doctype_name_obj, pubid_obj, |
| 3207 | sysid_obj, NULL); |
Serhiy Storchaka | 02ec92f | 2018-07-24 12:03:34 +0300 | [diff] [blame] | 3208 | Py_XDECREF(res); |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 3209 | } |
Serhiy Storchaka | 02ec92f | 2018-07-24 12:03:34 +0300 | [diff] [blame] | 3210 | else if (_PyObject_LookupAttrId((PyObject *)self, &PyId_doctype, &res) > 0) { |
| 3211 | (void)PyErr_WarnEx(PyExc_RuntimeWarning, |
| 3212 | "The doctype() method of XMLParser is ignored. " |
| 3213 | "Define doctype() method on the TreeBuilder target.", |
| 3214 | 1); |
Serhiy Storchaka | ee98e7b | 2018-07-25 14:52:45 +0300 | [diff] [blame] | 3215 | Py_DECREF(res); |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 3216 | } |
| 3217 | |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 3218 | Py_DECREF(doctype_name_obj); |
| 3219 | Py_DECREF(pubid_obj); |
| 3220 | Py_DECREF(sysid_obj); |
| 3221 | } |
| 3222 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3223 | static void |
| 3224 | expat_pi_handler(XMLParserObject* self, const XML_Char* target_in, |
| 3225 | const XML_Char* data_in) |
| 3226 | { |
| 3227 | PyObject* target; |
| 3228 | PyObject* data; |
| 3229 | PyObject* res; |
| 3230 | |
Victor Stinner | 3fd8cbd | 2013-07-18 22:46:14 +0200 | [diff] [blame] | 3231 | if (PyErr_Occurred()) |
| 3232 | return; |
| 3233 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3234 | if (self->handle_pi) { |
Neal Norwitz | 0269b91 | 2007-08-08 06:56:02 +0000 | [diff] [blame] | 3235 | target = PyUnicode_DecodeUTF8(target_in, strlen(target_in), "strict"); |
| 3236 | data = PyUnicode_DecodeUTF8(data_in, strlen(data_in), "strict"); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3237 | if (target && data) { |
Victor Stinner | 5abaa2b | 2016-12-09 16:22:32 +0100 | [diff] [blame] | 3238 | res = PyObject_CallFunctionObjArgs(self->handle_pi, |
| 3239 | target, data, NULL); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3240 | Py_XDECREF(res); |
| 3241 | Py_DECREF(data); |
| 3242 | Py_DECREF(target); |
| 3243 | } else { |
| 3244 | Py_XDECREF(data); |
| 3245 | Py_XDECREF(target); |
| 3246 | } |
| 3247 | } |
| 3248 | } |
| 3249 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3250 | /* -------------------------------------------------------------------- */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3251 | |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3252 | static PyObject * |
| 3253 | xmlparser_new(PyTypeObject *type, PyObject *args, PyObject *kwds) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3254 | { |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3255 | XMLParserObject *self = (XMLParserObject *)type->tp_alloc(type, 0); |
| 3256 | if (self) { |
| 3257 | self->parser = NULL; |
| 3258 | self->target = self->entity = self->names = NULL; |
| 3259 | self->handle_start = self->handle_data = self->handle_end = NULL; |
| 3260 | self->handle_comment = self->handle_pi = self->handle_close = NULL; |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 3261 | self->handle_doctype = NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3262 | } |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3263 | return (PyObject *)self; |
| 3264 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3265 | |
scoder | c8d8e15 | 2017-09-14 22:00:03 +0200 | [diff] [blame] | 3266 | static int |
| 3267 | ignore_attribute_error(PyObject *value) |
| 3268 | { |
| 3269 | if (value == NULL) { |
| 3270 | if (!PyErr_ExceptionMatches(PyExc_AttributeError)) { |
| 3271 | return -1; |
| 3272 | } |
| 3273 | PyErr_Clear(); |
| 3274 | } |
| 3275 | return 0; |
| 3276 | } |
| 3277 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3278 | /*[clinic input] |
| 3279 | _elementtree.XMLParser.__init__ |
| 3280 | |
Serhiy Storchaka | 02ec92f | 2018-07-24 12:03:34 +0300 | [diff] [blame] | 3281 | * |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3282 | target: object = NULL |
Larry Hastings | dbfdc38 | 2015-05-04 06:59:46 -0700 | [diff] [blame] | 3283 | encoding: str(accept={str, NoneType}) = NULL |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3284 | |
| 3285 | [clinic start generated code]*/ |
| 3286 | |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3287 | static int |
Serhiy Storchaka | 02ec92f | 2018-07-24 12:03:34 +0300 | [diff] [blame] | 3288 | _elementtree_XMLParser___init___impl(XMLParserObject *self, PyObject *target, |
| 3289 | const char *encoding) |
| 3290 | /*[clinic end generated code: output=3ae45ec6cdf344e4 input=96288fcba916cfce]*/ |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3291 | { |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3292 | self->entity = PyDict_New(); |
| 3293 | if (!self->entity) |
| 3294 | return -1; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3295 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3296 | self->names = PyDict_New(); |
| 3297 | if (!self->names) { |
| 3298 | Py_CLEAR(self->entity); |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3299 | return -1; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3300 | } |
Victor Stinner | bfc7bf0 | 2011-03-21 13:23:42 +0100 | [diff] [blame] | 3301 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3302 | self->parser = EXPAT(ParserCreate_MM)(encoding, &ExpatMemoryHandler, "}"); |
| 3303 | if (!self->parser) { |
| 3304 | Py_CLEAR(self->entity); |
| 3305 | Py_CLEAR(self->names); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3306 | PyErr_NoMemory(); |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3307 | return -1; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3308 | } |
Christian Heimes | cb5778f | 2018-09-18 14:38:58 +0200 | [diff] [blame] | 3309 | /* expat < 2.1.0 has no XML_SetHashSalt() */ |
| 3310 | if (EXPAT(SetHashSalt) != NULL) { |
| 3311 | EXPAT(SetHashSalt)(self->parser, |
| 3312 | (unsigned long)_Py_HashSecret.expat.hashsalt); |
| 3313 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3314 | |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3315 | if (target) { |
| 3316 | Py_INCREF(target); |
| 3317 | } else { |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 3318 | target = treebuilder_new(&TreeBuilder_Type, NULL, NULL); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3319 | if (!target) { |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3320 | Py_CLEAR(self->entity); |
| 3321 | Py_CLEAR(self->names); |
| 3322 | EXPAT(ParserFree)(self->parser); |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3323 | return -1; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3324 | } |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3325 | } |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3326 | self->target = target; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3327 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3328 | self->handle_start = PyObject_GetAttrString(target, "start"); |
scoder | c8d8e15 | 2017-09-14 22:00:03 +0200 | [diff] [blame] | 3329 | if (ignore_attribute_error(self->handle_start)) { |
| 3330 | return -1; |
| 3331 | } |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3332 | self->handle_data = PyObject_GetAttrString(target, "data"); |
scoder | c8d8e15 | 2017-09-14 22:00:03 +0200 | [diff] [blame] | 3333 | if (ignore_attribute_error(self->handle_data)) { |
| 3334 | return -1; |
| 3335 | } |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3336 | self->handle_end = PyObject_GetAttrString(target, "end"); |
scoder | c8d8e15 | 2017-09-14 22:00:03 +0200 | [diff] [blame] | 3337 | if (ignore_attribute_error(self->handle_end)) { |
| 3338 | return -1; |
| 3339 | } |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3340 | self->handle_comment = PyObject_GetAttrString(target, "comment"); |
scoder | c8d8e15 | 2017-09-14 22:00:03 +0200 | [diff] [blame] | 3341 | if (ignore_attribute_error(self->handle_comment)) { |
| 3342 | return -1; |
| 3343 | } |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3344 | self->handle_pi = PyObject_GetAttrString(target, "pi"); |
scoder | c8d8e15 | 2017-09-14 22:00:03 +0200 | [diff] [blame] | 3345 | if (ignore_attribute_error(self->handle_pi)) { |
| 3346 | return -1; |
| 3347 | } |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3348 | self->handle_close = PyObject_GetAttrString(target, "close"); |
scoder | c8d8e15 | 2017-09-14 22:00:03 +0200 | [diff] [blame] | 3349 | if (ignore_attribute_error(self->handle_close)) { |
| 3350 | return -1; |
| 3351 | } |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3352 | self->handle_doctype = PyObject_GetAttrString(target, "doctype"); |
scoder | c8d8e15 | 2017-09-14 22:00:03 +0200 | [diff] [blame] | 3353 | if (ignore_attribute_error(self->handle_doctype)) { |
| 3354 | return -1; |
| 3355 | } |
Eli Bendersky | 4583990 | 2013-01-13 05:14:47 -0800 | [diff] [blame] | 3356 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3357 | /* configure parser */ |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3358 | EXPAT(SetUserData)(self->parser, self); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3359 | EXPAT(SetElementHandler)( |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3360 | self->parser, |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3361 | (XML_StartElementHandler) expat_start_handler, |
| 3362 | (XML_EndElementHandler) expat_end_handler |
| 3363 | ); |
| 3364 | EXPAT(SetDefaultHandlerExpand)( |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3365 | self->parser, |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3366 | (XML_DefaultHandler) expat_default_handler |
| 3367 | ); |
| 3368 | EXPAT(SetCharacterDataHandler)( |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3369 | self->parser, |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3370 | (XML_CharacterDataHandler) expat_data_handler |
| 3371 | ); |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3372 | if (self->handle_comment) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3373 | EXPAT(SetCommentHandler)( |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3374 | self->parser, |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3375 | (XML_CommentHandler) expat_comment_handler |
| 3376 | ); |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3377 | if (self->handle_pi) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3378 | EXPAT(SetProcessingInstructionHandler)( |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3379 | self->parser, |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3380 | (XML_ProcessingInstructionHandler) expat_pi_handler |
| 3381 | ); |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 3382 | EXPAT(SetStartDoctypeDeclHandler)( |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3383 | self->parser, |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 3384 | (XML_StartDoctypeDeclHandler) expat_start_doctype_handler |
| 3385 | ); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3386 | EXPAT(SetUnknownEncodingHandler)( |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3387 | self->parser, |
Eli Bendersky | 6dc32b3 | 2013-05-25 05:25:48 -0700 | [diff] [blame] | 3388 | EXPAT(DefaultUnknownEncodingHandler), NULL |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3389 | ); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3390 | |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3391 | return 0; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3392 | } |
| 3393 | |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3394 | static int |
| 3395 | xmlparser_gc_traverse(XMLParserObject *self, visitproc visit, void *arg) |
| 3396 | { |
| 3397 | Py_VISIT(self->handle_close); |
| 3398 | Py_VISIT(self->handle_pi); |
| 3399 | Py_VISIT(self->handle_comment); |
| 3400 | Py_VISIT(self->handle_end); |
| 3401 | Py_VISIT(self->handle_data); |
| 3402 | Py_VISIT(self->handle_start); |
| 3403 | |
| 3404 | Py_VISIT(self->target); |
| 3405 | Py_VISIT(self->entity); |
| 3406 | Py_VISIT(self->names); |
| 3407 | |
| 3408 | return 0; |
| 3409 | } |
| 3410 | |
| 3411 | static int |
| 3412 | xmlparser_gc_clear(XMLParserObject *self) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3413 | { |
Victor Stinner | e727d41 | 2017-09-18 05:29:37 -0700 | [diff] [blame] | 3414 | if (self->parser != NULL) { |
| 3415 | XML_Parser parser = self->parser; |
| 3416 | self->parser = NULL; |
| 3417 | EXPAT(ParserFree)(parser); |
| 3418 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3419 | |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 3420 | Py_CLEAR(self->handle_close); |
| 3421 | Py_CLEAR(self->handle_pi); |
| 3422 | Py_CLEAR(self->handle_comment); |
| 3423 | Py_CLEAR(self->handle_end); |
| 3424 | Py_CLEAR(self->handle_data); |
| 3425 | Py_CLEAR(self->handle_start); |
| 3426 | Py_CLEAR(self->handle_doctype); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3427 | |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 3428 | Py_CLEAR(self->target); |
| 3429 | Py_CLEAR(self->entity); |
| 3430 | Py_CLEAR(self->names); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3431 | |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3432 | return 0; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3433 | } |
| 3434 | |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3435 | static void |
| 3436 | xmlparser_dealloc(XMLParserObject* self) |
| 3437 | { |
| 3438 | PyObject_GC_UnTrack(self); |
| 3439 | xmlparser_gc_clear(self); |
| 3440 | Py_TYPE(self)->tp_free((PyObject *)self); |
| 3441 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3442 | |
| 3443 | LOCAL(PyObject*) |
Serhiy Storchaka | 66d53fa | 2013-05-22 17:07:51 +0300 | [diff] [blame] | 3444 | expat_parse(XMLParserObject* self, const char* data, int data_len, int final) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3445 | { |
| 3446 | int ok; |
| 3447 | |
Victor Stinner | 3fd8cbd | 2013-07-18 22:46:14 +0200 | [diff] [blame] | 3448 | assert(!PyErr_Occurred()); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3449 | ok = EXPAT(Parse)(self->parser, data, data_len, final); |
| 3450 | |
| 3451 | if (PyErr_Occurred()) |
| 3452 | return NULL; |
| 3453 | |
| 3454 | if (!ok) { |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 3455 | expat_set_error( |
Eli Bendersky | 5b77d81 | 2012-03-16 08:20:05 +0200 | [diff] [blame] | 3456 | EXPAT(GetErrorCode)(self->parser), |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3457 | EXPAT(GetErrorLineNumber)(self->parser), |
Eli Bendersky | 5b77d81 | 2012-03-16 08:20:05 +0200 | [diff] [blame] | 3458 | EXPAT(GetErrorColumnNumber)(self->parser), |
| 3459 | NULL |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3460 | ); |
| 3461 | return NULL; |
| 3462 | } |
| 3463 | |
| 3464 | Py_RETURN_NONE; |
| 3465 | } |
| 3466 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3467 | /*[clinic input] |
| 3468 | _elementtree.XMLParser.close |
| 3469 | |
| 3470 | [clinic start generated code]*/ |
| 3471 | |
| 3472 | static PyObject * |
| 3473 | _elementtree_XMLParser_close_impl(XMLParserObject *self) |
| 3474 | /*[clinic end generated code: output=d68d375dd23bc7fb input=ca7909ca78c3abfe]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3475 | { |
| 3476 | /* end feeding data to parser */ |
| 3477 | |
| 3478 | PyObject* res; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3479 | res = expat_parse(self, "", 0, 1); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 3480 | if (!res) |
| 3481 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3482 | |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 3483 | if (TreeBuilder_CheckExact(self->target)) { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3484 | Py_DECREF(res); |
| 3485 | return treebuilder_done((TreeBuilderObject*) self->target); |
Eli Bendersky | 6eb50b1 | 2013-08-24 15:17:08 -0700 | [diff] [blame] | 3486 | } |
| 3487 | else if (self->handle_close) { |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 3488 | Py_DECREF(res); |
Victor Stinner | 3466bde | 2016-09-05 18:16:01 -0700 | [diff] [blame] | 3489 | return _PyObject_CallNoArg(self->handle_close); |
Eli Bendersky | 6eb50b1 | 2013-08-24 15:17:08 -0700 | [diff] [blame] | 3490 | } |
| 3491 | else { |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 3492 | return res; |
Eli Bendersky | 6eb50b1 | 2013-08-24 15:17:08 -0700 | [diff] [blame] | 3493 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3494 | } |
| 3495 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3496 | /*[clinic input] |
| 3497 | _elementtree.XMLParser.feed |
| 3498 | |
| 3499 | data: object |
| 3500 | / |
| 3501 | |
| 3502 | [clinic start generated code]*/ |
| 3503 | |
| 3504 | static PyObject * |
| 3505 | _elementtree_XMLParser_feed(XMLParserObject *self, PyObject *data) |
| 3506 | /*[clinic end generated code: output=e42b6a78eec7446d input=fe231b6b8de3ce1f]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3507 | { |
| 3508 | /* feed data to parser */ |
| 3509 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3510 | if (PyUnicode_Check(data)) { |
Serhiy Storchaka | 66d53fa | 2013-05-22 17:07:51 +0300 | [diff] [blame] | 3511 | Py_ssize_t data_len; |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3512 | const char *data_ptr = PyUnicode_AsUTF8AndSize(data, &data_len); |
| 3513 | if (data_ptr == NULL) |
Serhiy Storchaka | 66d53fa | 2013-05-22 17:07:51 +0300 | [diff] [blame] | 3514 | return NULL; |
| 3515 | if (data_len > INT_MAX) { |
| 3516 | PyErr_SetString(PyExc_OverflowError, "size does not fit in an int"); |
| 3517 | return NULL; |
| 3518 | } |
| 3519 | /* Explicitly set UTF-8 encoding. Return code ignored. */ |
| 3520 | (void)EXPAT(SetEncoding)(self->parser, "utf-8"); |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3521 | return expat_parse(self, data_ptr, (int)data_len, 0); |
Serhiy Storchaka | 66d53fa | 2013-05-22 17:07:51 +0300 | [diff] [blame] | 3522 | } |
| 3523 | else { |
| 3524 | Py_buffer view; |
| 3525 | PyObject *res; |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3526 | if (PyObject_GetBuffer(data, &view, PyBUF_SIMPLE) < 0) |
Serhiy Storchaka | 66d53fa | 2013-05-22 17:07:51 +0300 | [diff] [blame] | 3527 | return NULL; |
| 3528 | if (view.len > INT_MAX) { |
| 3529 | PyBuffer_Release(&view); |
| 3530 | PyErr_SetString(PyExc_OverflowError, "size does not fit in an int"); |
| 3531 | return NULL; |
| 3532 | } |
| 3533 | res = expat_parse(self, view.buf, (int)view.len, 0); |
| 3534 | PyBuffer_Release(&view); |
| 3535 | return res; |
| 3536 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3537 | } |
| 3538 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3539 | /*[clinic input] |
| 3540 | _elementtree.XMLParser._parse_whole |
| 3541 | |
| 3542 | file: object |
| 3543 | / |
| 3544 | |
| 3545 | [clinic start generated code]*/ |
| 3546 | |
| 3547 | static PyObject * |
| 3548 | _elementtree_XMLParser__parse_whole(XMLParserObject *self, PyObject *file) |
| 3549 | /*[clinic end generated code: output=f797197bb818dda3 input=19ecc893b6f3e752]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3550 | { |
Eli Bendersky | a369923 | 2013-05-19 18:47:23 -0700 | [diff] [blame] | 3551 | /* (internal) parse the whole input, until end of stream */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3552 | PyObject* reader; |
| 3553 | PyObject* buffer; |
Eli Bendersky | f996e77 | 2012-03-16 05:53:30 +0200 | [diff] [blame] | 3554 | PyObject* temp; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3555 | PyObject* res; |
| 3556 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3557 | reader = PyObject_GetAttrString(file, "read"); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3558 | if (!reader) |
| 3559 | return NULL; |
Victor Stinner | bfc7bf0 | 2011-03-21 13:23:42 +0100 | [diff] [blame] | 3560 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3561 | /* read from open file object */ |
| 3562 | for (;;) { |
| 3563 | |
| 3564 | buffer = PyObject_CallFunction(reader, "i", 64*1024); |
| 3565 | |
| 3566 | if (!buffer) { |
| 3567 | /* read failed (e.g. due to KeyboardInterrupt) */ |
| 3568 | Py_DECREF(reader); |
| 3569 | return NULL; |
| 3570 | } |
| 3571 | |
Eli Bendersky | f996e77 | 2012-03-16 05:53:30 +0200 | [diff] [blame] | 3572 | if (PyUnicode_CheckExact(buffer)) { |
| 3573 | /* A unicode object is encoded into bytes using UTF-8 */ |
Victor Stinner | 59799a8 | 2013-11-13 14:17:30 +0100 | [diff] [blame] | 3574 | if (PyUnicode_GET_LENGTH(buffer) == 0) { |
Eli Bendersky | f996e77 | 2012-03-16 05:53:30 +0200 | [diff] [blame] | 3575 | Py_DECREF(buffer); |
| 3576 | break; |
| 3577 | } |
| 3578 | temp = PyUnicode_AsEncodedString(buffer, "utf-8", "surrogatepass"); |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 3579 | Py_DECREF(buffer); |
Eli Bendersky | f996e77 | 2012-03-16 05:53:30 +0200 | [diff] [blame] | 3580 | if (!temp) { |
| 3581 | /* Propagate exception from PyUnicode_AsEncodedString */ |
Eli Bendersky | f996e77 | 2012-03-16 05:53:30 +0200 | [diff] [blame] | 3582 | Py_DECREF(reader); |
| 3583 | return NULL; |
| 3584 | } |
Eli Bendersky | f996e77 | 2012-03-16 05:53:30 +0200 | [diff] [blame] | 3585 | buffer = temp; |
| 3586 | } |
| 3587 | else if (!PyBytes_CheckExact(buffer) || PyBytes_GET_SIZE(buffer) == 0) { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3588 | Py_DECREF(buffer); |
| 3589 | break; |
| 3590 | } |
| 3591 | |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 3592 | if (PyBytes_GET_SIZE(buffer) > INT_MAX) { |
| 3593 | Py_DECREF(buffer); |
| 3594 | Py_DECREF(reader); |
| 3595 | PyErr_SetString(PyExc_OverflowError, "size does not fit in an int"); |
| 3596 | return NULL; |
| 3597 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3598 | res = expat_parse( |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 3599 | self, PyBytes_AS_STRING(buffer), (int)PyBytes_GET_SIZE(buffer), 0 |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3600 | ); |
| 3601 | |
| 3602 | Py_DECREF(buffer); |
| 3603 | |
| 3604 | if (!res) { |
| 3605 | Py_DECREF(reader); |
| 3606 | return NULL; |
| 3607 | } |
| 3608 | Py_DECREF(res); |
| 3609 | |
| 3610 | } |
| 3611 | |
| 3612 | Py_DECREF(reader); |
| 3613 | |
| 3614 | res = expat_parse(self, "", 0, 1); |
| 3615 | |
| 3616 | if (res && TreeBuilder_CheckExact(self->target)) { |
| 3617 | Py_DECREF(res); |
| 3618 | return treebuilder_done((TreeBuilderObject*) self->target); |
| 3619 | } |
| 3620 | |
| 3621 | return res; |
| 3622 | } |
| 3623 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3624 | /*[clinic input] |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3625 | _elementtree.XMLParser._setevents |
| 3626 | |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 3627 | events_queue: object |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3628 | events_to_report: object = None |
| 3629 | / |
| 3630 | |
| 3631 | [clinic start generated code]*/ |
| 3632 | |
| 3633 | static PyObject * |
| 3634 | _elementtree_XMLParser__setevents_impl(XMLParserObject *self, |
| 3635 | PyObject *events_queue, |
| 3636 | PyObject *events_to_report) |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 3637 | /*[clinic end generated code: output=1440092922b13ed1 input=abf90830a1c3b0fc]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3638 | { |
| 3639 | /* activate element event reporting */ |
Serhiy Storchaka | bc4ded95 | 2015-12-24 11:51:57 +0200 | [diff] [blame] | 3640 | Py_ssize_t i; |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3641 | TreeBuilderObject *target; |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 3642 | PyObject *events_append, *events_seq; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3643 | |
| 3644 | if (!TreeBuilder_CheckExact(self->target)) { |
| 3645 | PyErr_SetString( |
| 3646 | PyExc_TypeError, |
Florent Xicluna | a72a98f | 2012-02-13 11:03:30 +0100 | [diff] [blame] | 3647 | "event handling only supported for ElementTree.TreeBuilder " |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3648 | "targets" |
| 3649 | ); |
| 3650 | return NULL; |
| 3651 | } |
| 3652 | |
| 3653 | target = (TreeBuilderObject*) self->target; |
| 3654 | |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 3655 | events_append = PyObject_GetAttrString(events_queue, "append"); |
| 3656 | if (events_append == NULL) |
| 3657 | return NULL; |
Serhiy Storchaka | ec39756 | 2016-04-06 09:50:03 +0300 | [diff] [blame] | 3658 | Py_XSETREF(target->events_append, events_append); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3659 | |
| 3660 | /* clear out existing events */ |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 3661 | Py_CLEAR(target->start_event_obj); |
| 3662 | Py_CLEAR(target->end_event_obj); |
| 3663 | Py_CLEAR(target->start_ns_event_obj); |
| 3664 | Py_CLEAR(target->end_ns_event_obj); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3665 | |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3666 | if (events_to_report == Py_None) { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3667 | /* default is "end" only */ |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 3668 | target->end_event_obj = PyUnicode_FromString("end"); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3669 | Py_RETURN_NONE; |
| 3670 | } |
| 3671 | |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3672 | if (!(events_seq = PySequence_Fast(events_to_report, |
| 3673 | "events must be a sequence"))) { |
| 3674 | return NULL; |
| 3675 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3676 | |
Serhiy Storchaka | bf623ae | 2017-04-19 20:03:52 +0300 | [diff] [blame] | 3677 | for (i = 0; i < PySequence_Fast_GET_SIZE(events_seq); ++i) { |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3678 | PyObject *event_name_obj = PySequence_Fast_GET_ITEM(events_seq, i); |
Serhiy Storchaka | 85b0f5b | 2016-11-20 10:16:47 +0200 | [diff] [blame] | 3679 | const char *event_name = NULL; |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3680 | if (PyUnicode_Check(event_name_obj)) { |
Serhiy Storchaka | bc4ded95 | 2015-12-24 11:51:57 +0200 | [diff] [blame] | 3681 | event_name = PyUnicode_AsUTF8(event_name_obj); |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3682 | } else if (PyBytes_Check(event_name_obj)) { |
| 3683 | event_name = PyBytes_AS_STRING(event_name_obj); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 3684 | } |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3685 | if (event_name == NULL) { |
| 3686 | Py_DECREF(events_seq); |
| 3687 | PyErr_Format(PyExc_ValueError, "invalid events sequence"); |
| 3688 | return NULL; |
Serhiy Storchaka | bc4ded95 | 2015-12-24 11:51:57 +0200 | [diff] [blame] | 3689 | } |
| 3690 | |
| 3691 | Py_INCREF(event_name_obj); |
| 3692 | if (strcmp(event_name, "start") == 0) { |
Serhiy Storchaka | 4884271 | 2016-04-06 09:45:48 +0300 | [diff] [blame] | 3693 | Py_XSETREF(target->start_event_obj, event_name_obj); |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3694 | } else if (strcmp(event_name, "end") == 0) { |
Serhiy Storchaka | 4884271 | 2016-04-06 09:45:48 +0300 | [diff] [blame] | 3695 | Py_XSETREF(target->end_event_obj, event_name_obj); |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3696 | } else if (strcmp(event_name, "start-ns") == 0) { |
Serhiy Storchaka | 4884271 | 2016-04-06 09:45:48 +0300 | [diff] [blame] | 3697 | Py_XSETREF(target->start_ns_event_obj, event_name_obj); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3698 | EXPAT(SetNamespaceDeclHandler)( |
| 3699 | self->parser, |
| 3700 | (XML_StartNamespaceDeclHandler) expat_start_ns_handler, |
| 3701 | (XML_EndNamespaceDeclHandler) expat_end_ns_handler |
| 3702 | ); |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3703 | } else if (strcmp(event_name, "end-ns") == 0) { |
Serhiy Storchaka | 4884271 | 2016-04-06 09:45:48 +0300 | [diff] [blame] | 3704 | Py_XSETREF(target->end_ns_event_obj, event_name_obj); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3705 | EXPAT(SetNamespaceDeclHandler)( |
| 3706 | self->parser, |
| 3707 | (XML_StartNamespaceDeclHandler) expat_start_ns_handler, |
| 3708 | (XML_EndNamespaceDeclHandler) expat_end_ns_handler |
| 3709 | ); |
| 3710 | } else { |
Serhiy Storchaka | bc4ded95 | 2015-12-24 11:51:57 +0200 | [diff] [blame] | 3711 | Py_DECREF(event_name_obj); |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3712 | Py_DECREF(events_seq); |
| 3713 | PyErr_Format(PyExc_ValueError, "unknown event '%s'", event_name); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3714 | return NULL; |
| 3715 | } |
| 3716 | } |
| 3717 | |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3718 | Py_DECREF(events_seq); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3719 | Py_RETURN_NONE; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3720 | } |
| 3721 | |
Serhiy Storchaka | b2953fa | 2018-10-04 10:41:27 +0300 | [diff] [blame] | 3722 | static PyMemberDef xmlparser_members[] = { |
| 3723 | {"entity", T_OBJECT, offsetof(XMLParserObject, entity), READONLY, NULL}, |
| 3724 | {"target", T_OBJECT, offsetof(XMLParserObject, target), READONLY, NULL}, |
| 3725 | {NULL} |
| 3726 | }; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3727 | |
Serhiy Storchaka | b2953fa | 2018-10-04 10:41:27 +0300 | [diff] [blame] | 3728 | static PyObject* |
| 3729 | xmlparser_version_getter(XMLParserObject *self, void *closure) |
| 3730 | { |
| 3731 | return PyUnicode_FromFormat( |
| 3732 | "Expat %d.%d.%d", XML_MAJOR_VERSION, |
| 3733 | XML_MINOR_VERSION, XML_MICRO_VERSION); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3734 | } |
| 3735 | |
Serhiy Storchaka | b2953fa | 2018-10-04 10:41:27 +0300 | [diff] [blame] | 3736 | static PyGetSetDef xmlparser_getsetlist[] = { |
| 3737 | {"version", (getter)xmlparser_version_getter, NULL, NULL}, |
| 3738 | {NULL}, |
| 3739 | }; |
| 3740 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3741 | #include "clinic/_elementtree.c.h" |
| 3742 | |
| 3743 | static PyMethodDef element_methods[] = { |
| 3744 | |
| 3745 | _ELEMENTTREE_ELEMENT_CLEAR_METHODDEF |
| 3746 | |
| 3747 | _ELEMENTTREE_ELEMENT_GET_METHODDEF |
| 3748 | _ELEMENTTREE_ELEMENT_SET_METHODDEF |
| 3749 | |
| 3750 | _ELEMENTTREE_ELEMENT_FIND_METHODDEF |
| 3751 | _ELEMENTTREE_ELEMENT_FINDTEXT_METHODDEF |
| 3752 | _ELEMENTTREE_ELEMENT_FINDALL_METHODDEF |
| 3753 | |
| 3754 | _ELEMENTTREE_ELEMENT_APPEND_METHODDEF |
| 3755 | _ELEMENTTREE_ELEMENT_EXTEND_METHODDEF |
| 3756 | _ELEMENTTREE_ELEMENT_INSERT_METHODDEF |
| 3757 | _ELEMENTTREE_ELEMENT_REMOVE_METHODDEF |
| 3758 | |
| 3759 | _ELEMENTTREE_ELEMENT_ITER_METHODDEF |
| 3760 | _ELEMENTTREE_ELEMENT_ITERTEXT_METHODDEF |
| 3761 | _ELEMENTTREE_ELEMENT_ITERFIND_METHODDEF |
| 3762 | |
Serhiy Storchaka | 762ec97 | 2017-03-30 18:12:06 +0300 | [diff] [blame] | 3763 | _ELEMENTTREE_ELEMENT_GETITERATOR_METHODDEF |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3764 | _ELEMENTTREE_ELEMENT_GETCHILDREN_METHODDEF |
| 3765 | |
| 3766 | _ELEMENTTREE_ELEMENT_ITEMS_METHODDEF |
| 3767 | _ELEMENTTREE_ELEMENT_KEYS_METHODDEF |
| 3768 | |
| 3769 | _ELEMENTTREE_ELEMENT_MAKEELEMENT_METHODDEF |
| 3770 | |
| 3771 | _ELEMENTTREE_ELEMENT___COPY___METHODDEF |
| 3772 | _ELEMENTTREE_ELEMENT___DEEPCOPY___METHODDEF |
| 3773 | _ELEMENTTREE_ELEMENT___SIZEOF___METHODDEF |
| 3774 | _ELEMENTTREE_ELEMENT___GETSTATE___METHODDEF |
| 3775 | _ELEMENTTREE_ELEMENT___SETSTATE___METHODDEF |
| 3776 | |
| 3777 | {NULL, NULL} |
| 3778 | }; |
| 3779 | |
| 3780 | static PyMappingMethods element_as_mapping = { |
| 3781 | (lenfunc) element_length, |
| 3782 | (binaryfunc) element_subscr, |
| 3783 | (objobjargproc) element_ass_subscr, |
| 3784 | }; |
| 3785 | |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 3786 | static PyGetSetDef element_getsetlist[] = { |
| 3787 | {"tag", |
| 3788 | (getter)element_tag_getter, |
| 3789 | (setter)element_tag_setter, |
| 3790 | "A string identifying what kind of data this element represents"}, |
| 3791 | {"text", |
| 3792 | (getter)element_text_getter, |
| 3793 | (setter)element_text_setter, |
| 3794 | "A string of text directly after the start tag, or None"}, |
| 3795 | {"tail", |
| 3796 | (getter)element_tail_getter, |
| 3797 | (setter)element_tail_setter, |
| 3798 | "A string of text directly after the end tag, or None"}, |
| 3799 | {"attrib", |
| 3800 | (getter)element_attrib_getter, |
| 3801 | (setter)element_attrib_setter, |
| 3802 | "A dictionary containing the element's attributes"}, |
| 3803 | {NULL}, |
| 3804 | }; |
| 3805 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3806 | static PyTypeObject Element_Type = { |
| 3807 | PyVarObject_HEAD_INIT(NULL, 0) |
| 3808 | "xml.etree.ElementTree.Element", sizeof(ElementObject), 0, |
| 3809 | /* methods */ |
| 3810 | (destructor)element_dealloc, /* tp_dealloc */ |
| 3811 | 0, /* tp_print */ |
| 3812 | 0, /* tp_getattr */ |
| 3813 | 0, /* tp_setattr */ |
| 3814 | 0, /* tp_reserved */ |
| 3815 | (reprfunc)element_repr, /* tp_repr */ |
| 3816 | 0, /* tp_as_number */ |
| 3817 | &element_as_sequence, /* tp_as_sequence */ |
| 3818 | &element_as_mapping, /* tp_as_mapping */ |
| 3819 | 0, /* tp_hash */ |
| 3820 | 0, /* tp_call */ |
| 3821 | 0, /* tp_str */ |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 3822 | PyObject_GenericGetAttr, /* tp_getattro */ |
| 3823 | 0, /* tp_setattro */ |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3824 | 0, /* tp_as_buffer */ |
| 3825 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC, |
| 3826 | /* tp_flags */ |
| 3827 | 0, /* tp_doc */ |
| 3828 | (traverseproc)element_gc_traverse, /* tp_traverse */ |
| 3829 | (inquiry)element_gc_clear, /* tp_clear */ |
| 3830 | 0, /* tp_richcompare */ |
| 3831 | offsetof(ElementObject, weakreflist), /* tp_weaklistoffset */ |
| 3832 | 0, /* tp_iter */ |
| 3833 | 0, /* tp_iternext */ |
| 3834 | element_methods, /* tp_methods */ |
| 3835 | 0, /* tp_members */ |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 3836 | element_getsetlist, /* tp_getset */ |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3837 | 0, /* tp_base */ |
| 3838 | 0, /* tp_dict */ |
| 3839 | 0, /* tp_descr_get */ |
| 3840 | 0, /* tp_descr_set */ |
| 3841 | 0, /* tp_dictoffset */ |
| 3842 | (initproc)element_init, /* tp_init */ |
| 3843 | PyType_GenericAlloc, /* tp_alloc */ |
| 3844 | element_new, /* tp_new */ |
| 3845 | 0, /* tp_free */ |
| 3846 | }; |
| 3847 | |
| 3848 | static PyMethodDef treebuilder_methods[] = { |
| 3849 | _ELEMENTTREE_TREEBUILDER_DATA_METHODDEF |
| 3850 | _ELEMENTTREE_TREEBUILDER_START_METHODDEF |
| 3851 | _ELEMENTTREE_TREEBUILDER_END_METHODDEF |
| 3852 | _ELEMENTTREE_TREEBUILDER_CLOSE_METHODDEF |
| 3853 | {NULL, NULL} |
| 3854 | }; |
| 3855 | |
| 3856 | static PyTypeObject TreeBuilder_Type = { |
| 3857 | PyVarObject_HEAD_INIT(NULL, 0) |
| 3858 | "xml.etree.ElementTree.TreeBuilder", sizeof(TreeBuilderObject), 0, |
| 3859 | /* methods */ |
| 3860 | (destructor)treebuilder_dealloc, /* tp_dealloc */ |
| 3861 | 0, /* tp_print */ |
| 3862 | 0, /* tp_getattr */ |
| 3863 | 0, /* tp_setattr */ |
| 3864 | 0, /* tp_reserved */ |
| 3865 | 0, /* tp_repr */ |
| 3866 | 0, /* tp_as_number */ |
| 3867 | 0, /* tp_as_sequence */ |
| 3868 | 0, /* tp_as_mapping */ |
| 3869 | 0, /* tp_hash */ |
| 3870 | 0, /* tp_call */ |
| 3871 | 0, /* tp_str */ |
| 3872 | 0, /* tp_getattro */ |
| 3873 | 0, /* tp_setattro */ |
| 3874 | 0, /* tp_as_buffer */ |
| 3875 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC, |
| 3876 | /* tp_flags */ |
| 3877 | 0, /* tp_doc */ |
| 3878 | (traverseproc)treebuilder_gc_traverse, /* tp_traverse */ |
| 3879 | (inquiry)treebuilder_gc_clear, /* tp_clear */ |
| 3880 | 0, /* tp_richcompare */ |
| 3881 | 0, /* tp_weaklistoffset */ |
| 3882 | 0, /* tp_iter */ |
| 3883 | 0, /* tp_iternext */ |
| 3884 | treebuilder_methods, /* tp_methods */ |
| 3885 | 0, /* tp_members */ |
| 3886 | 0, /* tp_getset */ |
| 3887 | 0, /* tp_base */ |
| 3888 | 0, /* tp_dict */ |
| 3889 | 0, /* tp_descr_get */ |
| 3890 | 0, /* tp_descr_set */ |
| 3891 | 0, /* tp_dictoffset */ |
| 3892 | _elementtree_TreeBuilder___init__, /* tp_init */ |
| 3893 | PyType_GenericAlloc, /* tp_alloc */ |
| 3894 | treebuilder_new, /* tp_new */ |
| 3895 | 0, /* tp_free */ |
| 3896 | }; |
| 3897 | |
| 3898 | static PyMethodDef xmlparser_methods[] = { |
| 3899 | _ELEMENTTREE_XMLPARSER_FEED_METHODDEF |
| 3900 | _ELEMENTTREE_XMLPARSER_CLOSE_METHODDEF |
| 3901 | _ELEMENTTREE_XMLPARSER__PARSE_WHOLE_METHODDEF |
| 3902 | _ELEMENTTREE_XMLPARSER__SETEVENTS_METHODDEF |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3903 | {NULL, NULL} |
| 3904 | }; |
| 3905 | |
Neal Norwitz | 227b533 | 2006-03-22 09:28:35 +0000 | [diff] [blame] | 3906 | static PyTypeObject XMLParser_Type = { |
Martin v. Löwis | 9f2e346 | 2007-07-21 17:22:18 +0000 | [diff] [blame] | 3907 | PyVarObject_HEAD_INIT(NULL, 0) |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 3908 | "xml.etree.ElementTree.XMLParser", sizeof(XMLParserObject), 0, |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3909 | /* methods */ |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3910 | (destructor)xmlparser_dealloc, /* tp_dealloc */ |
| 3911 | 0, /* tp_print */ |
| 3912 | 0, /* tp_getattr */ |
| 3913 | 0, /* tp_setattr */ |
| 3914 | 0, /* tp_reserved */ |
| 3915 | 0, /* tp_repr */ |
| 3916 | 0, /* tp_as_number */ |
| 3917 | 0, /* tp_as_sequence */ |
| 3918 | 0, /* tp_as_mapping */ |
| 3919 | 0, /* tp_hash */ |
| 3920 | 0, /* tp_call */ |
| 3921 | 0, /* tp_str */ |
Serhiy Storchaka | b2953fa | 2018-10-04 10:41:27 +0300 | [diff] [blame] | 3922 | 0, /* tp_getattro */ |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3923 | 0, /* tp_setattro */ |
| 3924 | 0, /* tp_as_buffer */ |
| 3925 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC, |
| 3926 | /* tp_flags */ |
| 3927 | 0, /* tp_doc */ |
| 3928 | (traverseproc)xmlparser_gc_traverse, /* tp_traverse */ |
| 3929 | (inquiry)xmlparser_gc_clear, /* tp_clear */ |
| 3930 | 0, /* tp_richcompare */ |
| 3931 | 0, /* tp_weaklistoffset */ |
| 3932 | 0, /* tp_iter */ |
| 3933 | 0, /* tp_iternext */ |
| 3934 | xmlparser_methods, /* tp_methods */ |
Serhiy Storchaka | b2953fa | 2018-10-04 10:41:27 +0300 | [diff] [blame] | 3935 | xmlparser_members, /* tp_members */ |
| 3936 | xmlparser_getsetlist, /* tp_getset */ |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3937 | 0, /* tp_base */ |
| 3938 | 0, /* tp_dict */ |
| 3939 | 0, /* tp_descr_get */ |
| 3940 | 0, /* tp_descr_set */ |
| 3941 | 0, /* tp_dictoffset */ |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3942 | _elementtree_XMLParser___init__, /* tp_init */ |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3943 | PyType_GenericAlloc, /* tp_alloc */ |
| 3944 | xmlparser_new, /* tp_new */ |
| 3945 | 0, /* tp_free */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3946 | }; |
| 3947 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3948 | /* ==================================================================== */ |
| 3949 | /* python module interface */ |
| 3950 | |
| 3951 | static PyMethodDef _functions[] = { |
Eli Bendersky | a873690 | 2013-01-05 06:26:39 -0800 | [diff] [blame] | 3952 | {"SubElement", (PyCFunction) subelement, METH_VARARGS | METH_KEYWORDS}, |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3953 | {NULL, NULL} |
| 3954 | }; |
| 3955 | |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 3956 | |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 3957 | static struct PyModuleDef elementtreemodule = { |
| 3958 | PyModuleDef_HEAD_INIT, |
| 3959 | "_elementtree", |
| 3960 | NULL, |
| 3961 | sizeof(elementtreestate), |
| 3962 | _functions, |
| 3963 | NULL, |
| 3964 | elementtree_traverse, |
| 3965 | elementtree_clear, |
| 3966 | elementtree_free |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 3967 | }; |
| 3968 | |
Neal Norwitz | f6657e6 | 2006-12-28 04:47:50 +0000 | [diff] [blame] | 3969 | PyMODINIT_FUNC |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 3970 | PyInit__elementtree(void) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3971 | { |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 3972 | PyObject *m, *temp; |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 3973 | elementtreestate *st; |
| 3974 | |
| 3975 | m = PyState_FindModule(&elementtreemodule); |
| 3976 | if (m) { |
| 3977 | Py_INCREF(m); |
| 3978 | return m; |
| 3979 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3980 | |
Amaury Forgeot d'Arc | ba4105c | 2008-07-02 21:41:01 +0000 | [diff] [blame] | 3981 | /* Initialize object types */ |
Ronald Oussoren | 138d080 | 2013-07-19 11:11:25 +0200 | [diff] [blame] | 3982 | if (PyType_Ready(&ElementIter_Type) < 0) |
| 3983 | return NULL; |
Amaury Forgeot d'Arc | ba4105c | 2008-07-02 21:41:01 +0000 | [diff] [blame] | 3984 | if (PyType_Ready(&TreeBuilder_Type) < 0) |
Alexander Belopolsky | f0f4514 | 2010-08-11 17:31:17 +0000 | [diff] [blame] | 3985 | return NULL; |
Amaury Forgeot d'Arc | ba4105c | 2008-07-02 21:41:01 +0000 | [diff] [blame] | 3986 | if (PyType_Ready(&Element_Type) < 0) |
Alexander Belopolsky | f0f4514 | 2010-08-11 17:31:17 +0000 | [diff] [blame] | 3987 | return NULL; |
Amaury Forgeot d'Arc | ba4105c | 2008-07-02 21:41:01 +0000 | [diff] [blame] | 3988 | if (PyType_Ready(&XMLParser_Type) < 0) |
Alexander Belopolsky | f0f4514 | 2010-08-11 17:31:17 +0000 | [diff] [blame] | 3989 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3990 | |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 3991 | m = PyModule_Create(&elementtreemodule); |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 3992 | if (!m) |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 3993 | return NULL; |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 3994 | st = ET_STATE(m); |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 3995 | |
Eli Bendersky | 828efde | 2012-04-05 05:40:58 +0300 | [diff] [blame] | 3996 | if (!(temp = PyImport_ImportModule("copy"))) |
| 3997 | return NULL; |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 3998 | st->deepcopy_obj = PyObject_GetAttrString(temp, "deepcopy"); |
Eli Bendersky | 828efde | 2012-04-05 05:40:58 +0300 | [diff] [blame] | 3999 | Py_XDECREF(temp); |
| 4000 | |
Victor Stinner | b136f11 | 2017-07-10 22:28:02 +0200 | [diff] [blame] | 4001 | if (st->deepcopy_obj == NULL) { |
| 4002 | return NULL; |
| 4003 | } |
| 4004 | |
| 4005 | assert(!PyErr_Occurred()); |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 4006 | if (!(st->elementpath_obj = PyImport_ImportModule("xml.etree.ElementPath"))) |
Eli Bendersky | 828efde | 2012-04-05 05:40:58 +0300 | [diff] [blame] | 4007 | return NULL; |
| 4008 | |
Eli Bendersky | 20d4174 | 2012-06-01 09:48:37 +0300 | [diff] [blame] | 4009 | /* link against pyexpat */ |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 4010 | expat_capi = PyCapsule_Import(PyExpat_CAPSULE_NAME, 0); |
| 4011 | if (expat_capi) { |
| 4012 | /* check that it's usable */ |
| 4013 | if (strcmp(expat_capi->magic, PyExpat_CAPI_MAGIC) != 0 || |
Victor Stinner | 706768c | 2014-08-16 01:03:39 +0200 | [diff] [blame] | 4014 | (size_t)expat_capi->size < sizeof(struct PyExpat_CAPI) || |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 4015 | expat_capi->MAJOR_VERSION != XML_MAJOR_VERSION || |
| 4016 | expat_capi->MINOR_VERSION != XML_MINOR_VERSION || |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 4017 | expat_capi->MICRO_VERSION != XML_MICRO_VERSION) { |
Eli Bendersky | ef391ac | 2012-07-21 20:28:46 +0300 | [diff] [blame] | 4018 | PyErr_SetString(PyExc_ImportError, |
| 4019 | "pyexpat version is incompatible"); |
| 4020 | return NULL; |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 4021 | } |
Eli Bendersky | ef391ac | 2012-07-21 20:28:46 +0300 | [diff] [blame] | 4022 | } else { |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 4023 | return NULL; |
Eli Bendersky | ef391ac | 2012-07-21 20:28:46 +0300 | [diff] [blame] | 4024 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 4025 | |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 4026 | st->parseerror_obj = PyErr_NewException( |
Florent Xicluna | a72a98f | 2012-02-13 11:03:30 +0100 | [diff] [blame] | 4027 | "xml.etree.ElementTree.ParseError", PyExc_SyntaxError, NULL |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 4028 | ); |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 4029 | Py_INCREF(st->parseerror_obj); |
| 4030 | PyModule_AddObject(m, "ParseError", st->parseerror_obj); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 4031 | |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 4032 | Py_INCREF((PyObject *)&Element_Type); |
| 4033 | PyModule_AddObject(m, "Element", (PyObject *)&Element_Type); |
| 4034 | |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 4035 | Py_INCREF((PyObject *)&TreeBuilder_Type); |
| 4036 | PyModule_AddObject(m, "TreeBuilder", (PyObject *)&TreeBuilder_Type); |
| 4037 | |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 4038 | Py_INCREF((PyObject *)&XMLParser_Type); |
| 4039 | PyModule_AddObject(m, "XMLParser", (PyObject *)&XMLParser_Type); |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 4040 | |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 4041 | return m; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 4042 | } |