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 | |
Eli Bendersky | dd3661e | 2013-09-13 06:24:25 -0700 | [diff] [blame] | 64 | /* Py_CLEAR for a PyObject* that uses a join flag. Pass the pointer by |
| 65 | * reference since this function sets it to NULL. |
| 66 | */ |
doko@ubuntu.com | 0648bf7 | 2013-09-18 12:12:28 +0200 | [diff] [blame] | 67 | static void _clear_joined_ptr(PyObject **p) |
Eli Bendersky | dd3661e | 2013-09-13 06:24:25 -0700 | [diff] [blame] | 68 | { |
| 69 | if (*p) { |
| 70 | PyObject *tmp = JOIN_OBJ(*p); |
| 71 | *p = NULL; |
| 72 | Py_DECREF(tmp); |
| 73 | } |
| 74 | } |
| 75 | |
Ronald Oussoren | 138d080 | 2013-07-19 11:11:25 +0200 | [diff] [blame] | 76 | /* Types defined by this extension */ |
| 77 | static PyTypeObject Element_Type; |
| 78 | static PyTypeObject ElementIter_Type; |
| 79 | static PyTypeObject TreeBuilder_Type; |
| 80 | static PyTypeObject XMLParser_Type; |
| 81 | |
| 82 | |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 83 | /* Per-module state; PEP 3121 */ |
| 84 | typedef struct { |
| 85 | PyObject *parseerror_obj; |
| 86 | PyObject *deepcopy_obj; |
| 87 | PyObject *elementpath_obj; |
| 88 | } elementtreestate; |
| 89 | |
| 90 | static struct PyModuleDef elementtreemodule; |
| 91 | |
| 92 | /* Given a module object (assumed to be _elementtree), get its per-module |
| 93 | * state. |
| 94 | */ |
| 95 | #define ET_STATE(mod) ((elementtreestate *) PyModule_GetState(mod)) |
| 96 | |
| 97 | /* Find the module instance imported in the currently running sub-interpreter |
| 98 | * and get its state. |
| 99 | */ |
| 100 | #define ET_STATE_GLOBAL \ |
| 101 | ((elementtreestate *) PyModule_GetState(PyState_FindModule(&elementtreemodule))) |
| 102 | |
| 103 | static int |
| 104 | elementtree_clear(PyObject *m) |
| 105 | { |
| 106 | elementtreestate *st = ET_STATE(m); |
| 107 | Py_CLEAR(st->parseerror_obj); |
| 108 | Py_CLEAR(st->deepcopy_obj); |
| 109 | Py_CLEAR(st->elementpath_obj); |
| 110 | return 0; |
| 111 | } |
| 112 | |
| 113 | static int |
| 114 | elementtree_traverse(PyObject *m, visitproc visit, void *arg) |
| 115 | { |
| 116 | elementtreestate *st = ET_STATE(m); |
| 117 | Py_VISIT(st->parseerror_obj); |
| 118 | Py_VISIT(st->deepcopy_obj); |
| 119 | Py_VISIT(st->elementpath_obj); |
| 120 | return 0; |
| 121 | } |
| 122 | |
| 123 | static void |
| 124 | elementtree_free(void *m) |
| 125 | { |
| 126 | elementtree_clear((PyObject *)m); |
| 127 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 128 | |
| 129 | /* helpers */ |
| 130 | |
| 131 | LOCAL(PyObject*) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 132 | list_join(PyObject* list) |
| 133 | { |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 134 | /* join list elements */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 135 | PyObject* joiner; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 136 | PyObject* result; |
| 137 | |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 138 | joiner = PyUnicode_FromStringAndSize("", 0); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 139 | if (!joiner) |
| 140 | return NULL; |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 141 | result = PyUnicode_Join(joiner, list); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 142 | Py_DECREF(joiner); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 143 | return result; |
| 144 | } |
| 145 | |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 146 | /* Is the given object an empty dictionary? |
| 147 | */ |
| 148 | static int |
| 149 | is_empty_dict(PyObject *obj) |
| 150 | { |
Serhiy Storchaka | 5ab81d7 | 2016-12-16 16:18:57 +0200 | [diff] [blame] | 151 | return PyDict_CheckExact(obj) && PyDict_GET_SIZE(obj) == 0; |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 152 | } |
| 153 | |
| 154 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 155 | /* -------------------------------------------------------------------- */ |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 156 | /* the Element type */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 157 | |
| 158 | typedef struct { |
| 159 | |
| 160 | /* attributes (a dictionary object), or None if no attributes */ |
| 161 | PyObject* attrib; |
| 162 | |
| 163 | /* child elements */ |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 164 | Py_ssize_t length; /* actual number of items */ |
| 165 | Py_ssize_t allocated; /* allocated items */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 166 | |
| 167 | /* this either points to _children or to a malloced buffer */ |
| 168 | PyObject* *children; |
| 169 | |
| 170 | PyObject* _children[STATIC_CHILDREN]; |
Victor Stinner | bfc7bf0 | 2011-03-21 13:23:42 +0100 | [diff] [blame] | 171 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 172 | } ElementObjectExtra; |
| 173 | |
| 174 | typedef struct { |
| 175 | PyObject_HEAD |
| 176 | |
| 177 | /* element tag (a string). */ |
| 178 | PyObject* tag; |
| 179 | |
| 180 | /* text before first child. note that this is a tagged pointer; |
| 181 | use JOIN_OBJ to get the object pointer. the join flag is used |
| 182 | to distinguish lists created by the tree builder from lists |
| 183 | assigned to the attribute by application code; the former |
| 184 | should be joined before being returned to the user, the latter |
| 185 | should be left intact. */ |
| 186 | PyObject* text; |
| 187 | |
| 188 | /* text after this element, in parent. note that this is a tagged |
| 189 | pointer; use JOIN_OBJ to get the object pointer. */ |
| 190 | PyObject* tail; |
| 191 | |
| 192 | ElementObjectExtra* extra; |
| 193 | |
Eli Bendersky | ebf37a2 | 2012-04-03 22:02:37 +0300 | [diff] [blame] | 194 | PyObject *weakreflist; /* For tp_weaklistoffset */ |
| 195 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 196 | } ElementObject; |
| 197 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 198 | |
Christian Heimes | 90aa764 | 2007-12-19 02:45:37 +0000 | [diff] [blame] | 199 | #define Element_CheckExact(op) (Py_TYPE(op) == &Element_Type) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 200 | |
| 201 | /* -------------------------------------------------------------------- */ |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 202 | /* Element constructors and destructor */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 203 | |
| 204 | LOCAL(int) |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 205 | create_extra(ElementObject* self, PyObject* attrib) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 206 | { |
| 207 | self->extra = PyObject_Malloc(sizeof(ElementObjectExtra)); |
Victor Stinner | 81aac73 | 2013-07-12 02:03:34 +0200 | [diff] [blame] | 208 | if (!self->extra) { |
| 209 | PyErr_NoMemory(); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 210 | return -1; |
Victor Stinner | 81aac73 | 2013-07-12 02:03:34 +0200 | [diff] [blame] | 211 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 212 | |
| 213 | if (!attrib) |
| 214 | attrib = Py_None; |
| 215 | |
| 216 | Py_INCREF(attrib); |
| 217 | self->extra->attrib = attrib; |
| 218 | |
| 219 | self->extra->length = 0; |
| 220 | self->extra->allocated = STATIC_CHILDREN; |
| 221 | self->extra->children = self->extra->_children; |
| 222 | |
| 223 | return 0; |
| 224 | } |
| 225 | |
| 226 | LOCAL(void) |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 227 | dealloc_extra(ElementObject* self) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 228 | { |
Eli Bendersky | 08b8529 | 2012-04-04 15:55:07 +0300 | [diff] [blame] | 229 | ElementObjectExtra *myextra; |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 230 | Py_ssize_t i; |
Eli Bendersky | 08b8529 | 2012-04-04 15:55:07 +0300 | [diff] [blame] | 231 | |
Eli Bendersky | ebf37a2 | 2012-04-03 22:02:37 +0300 | [diff] [blame] | 232 | if (!self->extra) |
| 233 | return; |
| 234 | |
| 235 | /* Avoid DECREFs calling into this code again (cycles, etc.) |
| 236 | */ |
Eli Bendersky | 08b8529 | 2012-04-04 15:55:07 +0300 | [diff] [blame] | 237 | myextra = self->extra; |
Eli Bendersky | ebf37a2 | 2012-04-03 22:02:37 +0300 | [diff] [blame] | 238 | self->extra = NULL; |
| 239 | |
| 240 | Py_DECREF(myextra->attrib); |
| 241 | |
Eli Bendersky | ebf37a2 | 2012-04-03 22:02:37 +0300 | [diff] [blame] | 242 | for (i = 0; i < myextra->length; i++) |
| 243 | Py_DECREF(myextra->children[i]); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 244 | |
Eli Bendersky | ebf37a2 | 2012-04-03 22:02:37 +0300 | [diff] [blame] | 245 | if (myextra->children != myextra->_children) |
| 246 | PyObject_Free(myextra->children); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 247 | |
Eli Bendersky | ebf37a2 | 2012-04-03 22:02:37 +0300 | [diff] [blame] | 248 | PyObject_Free(myextra); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 249 | } |
| 250 | |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 251 | /* Convenience internal function to create new Element objects with the given |
| 252 | * tag and attributes. |
| 253 | */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 254 | LOCAL(PyObject*) |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 255 | create_new_element(PyObject* tag, PyObject* attrib) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 256 | { |
| 257 | ElementObject* self; |
| 258 | |
Eli Bendersky | 0192ba3 | 2012-03-30 16:38:33 +0300 | [diff] [blame] | 259 | self = PyObject_GC_New(ElementObject, &Element_Type); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 260 | if (self == NULL) |
| 261 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 262 | self->extra = NULL; |
| 263 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 264 | Py_INCREF(tag); |
| 265 | self->tag = tag; |
| 266 | |
| 267 | Py_INCREF(Py_None); |
| 268 | self->text = Py_None; |
| 269 | |
| 270 | Py_INCREF(Py_None); |
| 271 | self->tail = Py_None; |
| 272 | |
Eli Bendersky | ebf37a2 | 2012-04-03 22:02:37 +0300 | [diff] [blame] | 273 | self->weakreflist = NULL; |
| 274 | |
Victor Stinner | d917dcb | 2013-07-12 02:05:17 +0200 | [diff] [blame] | 275 | ALLOC(sizeof(ElementObject), "create element"); |
| 276 | PyObject_GC_Track(self); |
| 277 | |
Victor Stinner | 71c8b7e | 2013-07-11 23:08:39 +0200 | [diff] [blame] | 278 | if (attrib != Py_None && !is_empty_dict(attrib)) { |
| 279 | if (create_extra(self, attrib) < 0) { |
Victor Stinner | d917dcb | 2013-07-12 02:05:17 +0200 | [diff] [blame] | 280 | Py_DECREF(self); |
Victor Stinner | 71c8b7e | 2013-07-11 23:08:39 +0200 | [diff] [blame] | 281 | return NULL; |
| 282 | } |
| 283 | } |
| 284 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 285 | return (PyObject*) self; |
| 286 | } |
| 287 | |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 288 | static PyObject * |
| 289 | element_new(PyTypeObject *type, PyObject *args, PyObject *kwds) |
| 290 | { |
| 291 | ElementObject *e = (ElementObject *)type->tp_alloc(type, 0); |
| 292 | if (e != NULL) { |
| 293 | Py_INCREF(Py_None); |
| 294 | e->tag = Py_None; |
| 295 | |
| 296 | Py_INCREF(Py_None); |
| 297 | e->text = Py_None; |
| 298 | |
| 299 | Py_INCREF(Py_None); |
| 300 | e->tail = Py_None; |
| 301 | |
| 302 | e->extra = NULL; |
Eli Bendersky | ebf37a2 | 2012-04-03 22:02:37 +0300 | [diff] [blame] | 303 | e->weakreflist = NULL; |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 304 | } |
| 305 | return (PyObject *)e; |
| 306 | } |
| 307 | |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 308 | /* Helper function for extracting the attrib dictionary from a keywords dict. |
| 309 | * This is required by some constructors/functions in this module that can |
Eli Bendersky | 4583990 | 2013-01-13 05:14:47 -0800 | [diff] [blame] | 310 | * either accept attrib as a keyword argument or all attributes splashed |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 311 | * directly into *kwds. |
Eli Bendersky | d4cb4b7 | 2013-04-22 05:25:25 -0700 | [diff] [blame] | 312 | * |
| 313 | * Return a dictionary with the content of kwds merged into the content of |
| 314 | * attrib. If there is no attrib keyword, return a copy of kwds. |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 315 | */ |
| 316 | static PyObject* |
| 317 | get_attrib_from_keywords(PyObject *kwds) |
| 318 | { |
Eli Bendersky | 45f3d2f | 2013-04-24 05:34:07 -0700 | [diff] [blame] | 319 | PyObject *attrib_str = PyUnicode_FromString("attrib"); |
| 320 | PyObject *attrib = PyDict_GetItem(kwds, attrib_str); |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 321 | |
| 322 | if (attrib) { |
| 323 | /* If attrib was found in kwds, copy its value and remove it from |
| 324 | * kwds |
| 325 | */ |
| 326 | if (!PyDict_Check(attrib)) { |
Eli Bendersky | 45f3d2f | 2013-04-24 05:34:07 -0700 | [diff] [blame] | 327 | Py_DECREF(attrib_str); |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 328 | PyErr_Format(PyExc_TypeError, "attrib must be dict, not %.100s", |
| 329 | Py_TYPE(attrib)->tp_name); |
| 330 | return NULL; |
| 331 | } |
| 332 | attrib = PyDict_Copy(attrib); |
Eli Bendersky | 45f3d2f | 2013-04-24 05:34:07 -0700 | [diff] [blame] | 333 | PyDict_DelItem(kwds, attrib_str); |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 334 | } else { |
| 335 | attrib = PyDict_New(); |
| 336 | } |
Eli Bendersky | 45f3d2f | 2013-04-24 05:34:07 -0700 | [diff] [blame] | 337 | |
| 338 | Py_DECREF(attrib_str); |
| 339 | |
| 340 | /* attrib can be NULL if PyDict_New failed */ |
| 341 | if (attrib) |
Christian Heimes | 7ed4294 | 2013-07-20 15:12:09 +0200 | [diff] [blame] | 342 | if (PyDict_Update(attrib, kwds) < 0) |
| 343 | return NULL; |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 344 | return attrib; |
| 345 | } |
| 346 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 347 | /*[clinic input] |
| 348 | module _elementtree |
| 349 | class _elementtree.Element "ElementObject *" "&Element_Type" |
| 350 | class _elementtree.TreeBuilder "TreeBuilderObject *" "&TreeBuilder_Type" |
| 351 | class _elementtree.XMLParser "XMLParserObject *" "&XMLParser_Type" |
| 352 | [clinic start generated code]*/ |
| 353 | /*[clinic end generated code: output=da39a3ee5e6b4b0d input=159aa50a54061c22]*/ |
| 354 | |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 355 | static int |
| 356 | element_init(PyObject *self, PyObject *args, PyObject *kwds) |
| 357 | { |
| 358 | PyObject *tag; |
| 359 | PyObject *tmp; |
| 360 | PyObject *attrib = NULL; |
| 361 | ElementObject *self_elem; |
| 362 | |
| 363 | if (!PyArg_ParseTuple(args, "O|O!:Element", &tag, &PyDict_Type, &attrib)) |
| 364 | return -1; |
| 365 | |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 366 | if (attrib) { |
| 367 | /* attrib passed as positional arg */ |
| 368 | attrib = PyDict_Copy(attrib); |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 369 | if (!attrib) |
| 370 | return -1; |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 371 | if (kwds) { |
| 372 | if (PyDict_Update(attrib, kwds) < 0) { |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 373 | Py_DECREF(attrib); |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 374 | return -1; |
| 375 | } |
| 376 | } |
| 377 | } else if (kwds) { |
| 378 | /* have keywords args */ |
| 379 | attrib = get_attrib_from_keywords(kwds); |
| 380 | if (!attrib) |
| 381 | return -1; |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 382 | } |
| 383 | |
| 384 | self_elem = (ElementObject *)self; |
| 385 | |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 386 | if (attrib != NULL && !is_empty_dict(attrib)) { |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 387 | if (create_extra(self_elem, attrib) < 0) { |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 388 | Py_DECREF(attrib); |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 389 | return -1; |
| 390 | } |
| 391 | } |
| 392 | |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 393 | /* 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] | 394 | Py_XDECREF(attrib); |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 395 | |
| 396 | /* Replace the objects already pointed to by tag, text and tail. */ |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 397 | Py_INCREF(tag); |
Serhiy Storchaka | ec39756 | 2016-04-06 09:50:03 +0300 | [diff] [blame] | 398 | Py_XSETREF(self_elem->tag, tag); |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 399 | |
| 400 | tmp = self_elem->text; |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 401 | Py_INCREF(Py_None); |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 402 | self_elem->text = Py_None; |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 403 | Py_DECREF(JOIN_OBJ(tmp)); |
| 404 | |
| 405 | tmp = self_elem->tail; |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 406 | Py_INCREF(Py_None); |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 407 | self_elem->tail = Py_None; |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 408 | Py_DECREF(JOIN_OBJ(tmp)); |
| 409 | |
| 410 | return 0; |
| 411 | } |
| 412 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 413 | LOCAL(int) |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 414 | element_resize(ElementObject* self, Py_ssize_t extra) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 415 | { |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 416 | Py_ssize_t size; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 417 | PyObject* *children; |
| 418 | |
| 419 | /* make sure self->children can hold the given number of extra |
| 420 | elements. set an exception and return -1 if allocation failed */ |
| 421 | |
Victor Stinner | 5f0af23 | 2013-07-11 23:01:36 +0200 | [diff] [blame] | 422 | if (!self->extra) { |
| 423 | if (create_extra(self, NULL) < 0) |
| 424 | return -1; |
| 425 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 426 | |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 427 | size = self->extra->length + extra; /* never overflows */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 428 | |
| 429 | if (size > self->extra->allocated) { |
| 430 | /* use Python 2.4's list growth strategy */ |
| 431 | size = (size >> 3) + (size < 9 ? 3 : 6) + size; |
Christian Heimes | 679db4a | 2008-01-18 09:56:22 +0000 | [diff] [blame] | 432 | /* Coverity CID #182 size_error: Allocating 1 bytes to pointer "children" |
Victor Stinner | bfc7bf0 | 2011-03-21 13:23:42 +0100 | [diff] [blame] | 433 | * which needs at least 4 bytes. |
| 434 | * 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] | 435 | * be safe. |
| 436 | */ |
| 437 | size = size ? size : 1; |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 438 | if ((size_t)size > PY_SSIZE_T_MAX/sizeof(PyObject*)) |
| 439 | goto nomemory; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 440 | if (self->extra->children != self->extra->_children) { |
Christian Heimes | 679db4a | 2008-01-18 09:56:22 +0000 | [diff] [blame] | 441 | /* Coverity CID #182 size_error: Allocating 1 bytes to pointer |
Victor Stinner | bfc7bf0 | 2011-03-21 13:23:42 +0100 | [diff] [blame] | 442 | * "children", which needs at least 4 bytes. Although it's a |
Christian Heimes | 679db4a | 2008-01-18 09:56:22 +0000 | [diff] [blame] | 443 | * false alarm always assume at least one child to be safe. |
| 444 | */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 445 | children = PyObject_Realloc(self->extra->children, |
| 446 | size * sizeof(PyObject*)); |
| 447 | if (!children) |
| 448 | goto nomemory; |
| 449 | } else { |
| 450 | children = PyObject_Malloc(size * sizeof(PyObject*)); |
| 451 | if (!children) |
| 452 | goto nomemory; |
| 453 | /* copy existing children from static area to malloc buffer */ |
| 454 | memcpy(children, self->extra->children, |
| 455 | self->extra->length * sizeof(PyObject*)); |
| 456 | } |
| 457 | self->extra->children = children; |
| 458 | self->extra->allocated = size; |
| 459 | } |
| 460 | |
| 461 | return 0; |
| 462 | |
| 463 | nomemory: |
| 464 | PyErr_NoMemory(); |
| 465 | return -1; |
| 466 | } |
| 467 | |
| 468 | LOCAL(int) |
| 469 | element_add_subelement(ElementObject* self, PyObject* element) |
| 470 | { |
| 471 | /* add a child element to a parent */ |
| 472 | |
| 473 | if (element_resize(self, 1) < 0) |
| 474 | return -1; |
| 475 | |
| 476 | Py_INCREF(element); |
| 477 | self->extra->children[self->extra->length] = element; |
| 478 | |
| 479 | self->extra->length++; |
| 480 | |
| 481 | return 0; |
| 482 | } |
| 483 | |
| 484 | LOCAL(PyObject*) |
| 485 | element_get_attrib(ElementObject* self) |
| 486 | { |
| 487 | /* return borrowed reference to attrib dictionary */ |
| 488 | /* note: this function assumes that the extra section exists */ |
| 489 | |
| 490 | PyObject* res = self->extra->attrib; |
| 491 | |
| 492 | if (res == Py_None) { |
| 493 | /* create missing dictionary */ |
| 494 | res = PyDict_New(); |
| 495 | if (!res) |
| 496 | return NULL; |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 497 | Py_DECREF(Py_None); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 498 | self->extra->attrib = res; |
| 499 | } |
| 500 | |
| 501 | return res; |
| 502 | } |
| 503 | |
| 504 | LOCAL(PyObject*) |
| 505 | element_get_text(ElementObject* self) |
| 506 | { |
| 507 | /* return borrowed reference to text attribute */ |
| 508 | |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 509 | PyObject *res = self->text; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 510 | |
| 511 | if (JOIN_GET(res)) { |
| 512 | res = JOIN_OBJ(res); |
| 513 | if (PyList_CheckExact(res)) { |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 514 | PyObject *tmp = list_join(res); |
| 515 | if (!tmp) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 516 | return NULL; |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 517 | self->text = tmp; |
| 518 | Py_DECREF(res); |
| 519 | res = tmp; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 520 | } |
| 521 | } |
| 522 | |
| 523 | return res; |
| 524 | } |
| 525 | |
| 526 | LOCAL(PyObject*) |
| 527 | element_get_tail(ElementObject* self) |
| 528 | { |
| 529 | /* return borrowed reference to text attribute */ |
| 530 | |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 531 | PyObject *res = self->tail; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 532 | |
| 533 | if (JOIN_GET(res)) { |
| 534 | res = JOIN_OBJ(res); |
| 535 | if (PyList_CheckExact(res)) { |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 536 | PyObject *tmp = list_join(res); |
| 537 | if (!tmp) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 538 | return NULL; |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 539 | self->tail = tmp; |
| 540 | Py_DECREF(res); |
| 541 | res = tmp; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 542 | } |
| 543 | } |
| 544 | |
| 545 | return res; |
| 546 | } |
| 547 | |
| 548 | static PyObject* |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 549 | subelement(PyObject *self, PyObject *args, PyObject *kwds) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 550 | { |
| 551 | PyObject* elem; |
| 552 | |
| 553 | ElementObject* parent; |
| 554 | PyObject* tag; |
| 555 | PyObject* attrib = NULL; |
| 556 | if (!PyArg_ParseTuple(args, "O!O|O!:SubElement", |
| 557 | &Element_Type, &parent, &tag, |
Eli Bendersky | 163d7f0 | 2013-11-24 06:55:04 -0800 | [diff] [blame] | 558 | &PyDict_Type, &attrib)) { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 559 | return NULL; |
Eli Bendersky | 163d7f0 | 2013-11-24 06:55:04 -0800 | [diff] [blame] | 560 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 561 | |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 562 | if (attrib) { |
| 563 | /* attrib passed as positional arg */ |
| 564 | attrib = PyDict_Copy(attrib); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 565 | if (!attrib) |
| 566 | return NULL; |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 567 | if (kwds) { |
| 568 | if (PyDict_Update(attrib, kwds) < 0) { |
| 569 | return NULL; |
| 570 | } |
| 571 | } |
| 572 | } else if (kwds) { |
| 573 | /* have keyword args */ |
| 574 | attrib = get_attrib_from_keywords(kwds); |
| 575 | if (!attrib) |
| 576 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 577 | } else { |
Eli Bendersky | 737b173 | 2012-05-29 06:02:56 +0300 | [diff] [blame] | 578 | /* no attrib arg, no kwds, so no attribute */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 579 | Py_INCREF(Py_None); |
| 580 | attrib = Py_None; |
| 581 | } |
| 582 | |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 583 | elem = create_new_element(tag, attrib); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 584 | Py_DECREF(attrib); |
Victor Stinner | 71c8b7e | 2013-07-11 23:08:39 +0200 | [diff] [blame] | 585 | if (elem == NULL) |
| 586 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 587 | |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 588 | if (element_add_subelement(parent, elem) < 0) { |
| 589 | Py_DECREF(elem); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 590 | return NULL; |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 591 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 592 | |
| 593 | return elem; |
| 594 | } |
| 595 | |
Eli Bendersky | 0192ba3 | 2012-03-30 16:38:33 +0300 | [diff] [blame] | 596 | static int |
| 597 | element_gc_traverse(ElementObject *self, visitproc visit, void *arg) |
| 598 | { |
| 599 | Py_VISIT(self->tag); |
| 600 | Py_VISIT(JOIN_OBJ(self->text)); |
| 601 | Py_VISIT(JOIN_OBJ(self->tail)); |
| 602 | |
| 603 | if (self->extra) { |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 604 | Py_ssize_t i; |
Eli Bendersky | 0192ba3 | 2012-03-30 16:38:33 +0300 | [diff] [blame] | 605 | Py_VISIT(self->extra->attrib); |
| 606 | |
| 607 | for (i = 0; i < self->extra->length; ++i) |
| 608 | Py_VISIT(self->extra->children[i]); |
| 609 | } |
| 610 | return 0; |
| 611 | } |
| 612 | |
| 613 | static int |
| 614 | element_gc_clear(ElementObject *self) |
| 615 | { |
Eli Bendersky | 0192ba3 | 2012-03-30 16:38:33 +0300 | [diff] [blame] | 616 | Py_CLEAR(self->tag); |
Eli Bendersky | dd3661e | 2013-09-13 06:24:25 -0700 | [diff] [blame] | 617 | _clear_joined_ptr(&self->text); |
| 618 | _clear_joined_ptr(&self->tail); |
Eli Bendersky | 0192ba3 | 2012-03-30 16:38:33 +0300 | [diff] [blame] | 619 | |
| 620 | /* After dropping all references from extra, it's no longer valid anyway, |
Eli Bendersky | ebf37a2 | 2012-04-03 22:02:37 +0300 | [diff] [blame] | 621 | * so fully deallocate it. |
Eli Bendersky | 0192ba3 | 2012-03-30 16:38:33 +0300 | [diff] [blame] | 622 | */ |
Eli Bendersky | ebf37a2 | 2012-04-03 22:02:37 +0300 | [diff] [blame] | 623 | dealloc_extra(self); |
Eli Bendersky | 0192ba3 | 2012-03-30 16:38:33 +0300 | [diff] [blame] | 624 | return 0; |
| 625 | } |
| 626 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 627 | static void |
| 628 | element_dealloc(ElementObject* self) |
| 629 | { |
INADA Naoki | a6296d3 | 2017-08-24 14:55:17 +0900 | [diff] [blame] | 630 | /* bpo-31095: UnTrack is needed before calling any callbacks */ |
Eli Bendersky | 0192ba3 | 2012-03-30 16:38:33 +0300 | [diff] [blame] | 631 | PyObject_GC_UnTrack(self); |
Serhiy Storchaka | 18f018c | 2016-12-21 12:32:56 +0200 | [diff] [blame] | 632 | Py_TRASHCAN_SAFE_BEGIN(self) |
Eli Bendersky | ebf37a2 | 2012-04-03 22:02:37 +0300 | [diff] [blame] | 633 | |
| 634 | if (self->weakreflist != NULL) |
| 635 | PyObject_ClearWeakRefs((PyObject *) self); |
| 636 | |
Eli Bendersky | 0192ba3 | 2012-03-30 16:38:33 +0300 | [diff] [blame] | 637 | /* element_gc_clear clears all references and deallocates extra |
| 638 | */ |
| 639 | element_gc_clear(self); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 640 | |
| 641 | RELEASE(sizeof(ElementObject), "destroy element"); |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 642 | Py_TYPE(self)->tp_free((PyObject *)self); |
Serhiy Storchaka | 18f018c | 2016-12-21 12:32:56 +0200 | [diff] [blame] | 643 | Py_TRASHCAN_SAFE_END(self) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 644 | } |
| 645 | |
| 646 | /* -------------------------------------------------------------------- */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 647 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 648 | /*[clinic input] |
| 649 | _elementtree.Element.append |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 650 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 651 | subelement: object(subclass_of='&Element_Type') |
| 652 | / |
| 653 | |
| 654 | [clinic start generated code]*/ |
| 655 | |
| 656 | static PyObject * |
| 657 | _elementtree_Element_append_impl(ElementObject *self, PyObject *subelement) |
| 658 | /*[clinic end generated code: output=54a884b7cf2295f4 input=3ed648beb5bfa22a]*/ |
| 659 | { |
| 660 | if (element_add_subelement(self, subelement) < 0) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 661 | return NULL; |
| 662 | |
| 663 | Py_RETURN_NONE; |
| 664 | } |
| 665 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 666 | /*[clinic input] |
| 667 | _elementtree.Element.clear |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 668 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 669 | [clinic start generated code]*/ |
| 670 | |
| 671 | static PyObject * |
| 672 | _elementtree_Element_clear_impl(ElementObject *self) |
| 673 | /*[clinic end generated code: output=8bcd7a51f94cfff6 input=3c719ff94bf45dd6]*/ |
| 674 | { |
Eli Bendersky | ebf37a2 | 2012-04-03 22:02:37 +0300 | [diff] [blame] | 675 | dealloc_extra(self); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 676 | |
| 677 | Py_INCREF(Py_None); |
| 678 | Py_DECREF(JOIN_OBJ(self->text)); |
| 679 | self->text = Py_None; |
| 680 | |
| 681 | Py_INCREF(Py_None); |
| 682 | Py_DECREF(JOIN_OBJ(self->tail)); |
| 683 | self->tail = Py_None; |
| 684 | |
| 685 | Py_RETURN_NONE; |
| 686 | } |
| 687 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 688 | /*[clinic input] |
| 689 | _elementtree.Element.__copy__ |
| 690 | |
| 691 | [clinic start generated code]*/ |
| 692 | |
| 693 | static PyObject * |
| 694 | _elementtree_Element___copy___impl(ElementObject *self) |
| 695 | /*[clinic end generated code: output=2c701ebff7247781 input=ad87aaebe95675bf]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 696 | { |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 697 | Py_ssize_t i; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 698 | ElementObject* element; |
| 699 | |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 700 | element = (ElementObject*) create_new_element( |
Eli Bendersky | 163d7f0 | 2013-11-24 06:55:04 -0800 | [diff] [blame] | 701 | self->tag, (self->extra) ? self->extra->attrib : Py_None); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 702 | if (!element) |
| 703 | return NULL; |
| 704 | |
| 705 | Py_DECREF(JOIN_OBJ(element->text)); |
| 706 | element->text = self->text; |
| 707 | Py_INCREF(JOIN_OBJ(element->text)); |
| 708 | |
| 709 | Py_DECREF(JOIN_OBJ(element->tail)); |
| 710 | element->tail = self->tail; |
| 711 | Py_INCREF(JOIN_OBJ(element->tail)); |
| 712 | |
| 713 | if (self->extra) { |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 714 | if (element_resize(element, self->extra->length) < 0) { |
| 715 | Py_DECREF(element); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 716 | return NULL; |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 717 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 718 | |
| 719 | for (i = 0; i < self->extra->length; i++) { |
| 720 | Py_INCREF(self->extra->children[i]); |
| 721 | element->extra->children[i] = self->extra->children[i]; |
| 722 | } |
| 723 | |
| 724 | element->extra->length = self->extra->length; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 725 | } |
| 726 | |
| 727 | return (PyObject*) element; |
| 728 | } |
| 729 | |
Serhiy Storchaka | 060ed71 | 2015-12-21 12:57:27 +0200 | [diff] [blame] | 730 | /* Helper for a deep copy. */ |
| 731 | LOCAL(PyObject *) deepcopy(PyObject *, PyObject *); |
| 732 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 733 | /*[clinic input] |
| 734 | _elementtree.Element.__deepcopy__ |
| 735 | |
Oren Milman | d056818 | 2017-09-12 17:39:15 +0300 | [diff] [blame] | 736 | memo: object(subclass_of="&PyDict_Type") |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 737 | / |
| 738 | |
| 739 | [clinic start generated code]*/ |
| 740 | |
| 741 | static PyObject * |
Oren Milman | d056818 | 2017-09-12 17:39:15 +0300 | [diff] [blame] | 742 | _elementtree_Element___deepcopy___impl(ElementObject *self, PyObject *memo) |
| 743 | /*[clinic end generated code: output=eefc3df50465b642 input=a2d40348c0aade10]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 744 | { |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 745 | Py_ssize_t i; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 746 | ElementObject* element; |
| 747 | PyObject* tag; |
| 748 | PyObject* attrib; |
| 749 | PyObject* text; |
| 750 | PyObject* tail; |
| 751 | PyObject* id; |
| 752 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 753 | tag = deepcopy(self->tag, memo); |
| 754 | if (!tag) |
| 755 | return NULL; |
| 756 | |
| 757 | if (self->extra) { |
| 758 | attrib = deepcopy(self->extra->attrib, memo); |
| 759 | if (!attrib) { |
| 760 | Py_DECREF(tag); |
| 761 | return NULL; |
| 762 | } |
| 763 | } else { |
| 764 | Py_INCREF(Py_None); |
| 765 | attrib = Py_None; |
| 766 | } |
| 767 | |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 768 | element = (ElementObject*) create_new_element(tag, attrib); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 769 | |
| 770 | Py_DECREF(tag); |
| 771 | Py_DECREF(attrib); |
| 772 | |
| 773 | if (!element) |
| 774 | return NULL; |
Victor Stinner | bfc7bf0 | 2011-03-21 13:23:42 +0100 | [diff] [blame] | 775 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 776 | text = deepcopy(JOIN_OBJ(self->text), memo); |
| 777 | if (!text) |
| 778 | goto error; |
| 779 | Py_DECREF(element->text); |
| 780 | element->text = JOIN_SET(text, JOIN_GET(self->text)); |
| 781 | |
| 782 | tail = deepcopy(JOIN_OBJ(self->tail), memo); |
| 783 | if (!tail) |
| 784 | goto error; |
| 785 | Py_DECREF(element->tail); |
| 786 | element->tail = JOIN_SET(tail, JOIN_GET(self->tail)); |
| 787 | |
| 788 | if (self->extra) { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 789 | if (element_resize(element, self->extra->length) < 0) |
| 790 | goto error; |
| 791 | |
| 792 | for (i = 0; i < self->extra->length; i++) { |
| 793 | PyObject* child = deepcopy(self->extra->children[i], memo); |
| 794 | if (!child) { |
| 795 | element->extra->length = i; |
| 796 | goto error; |
| 797 | } |
| 798 | element->extra->children[i] = child; |
| 799 | } |
| 800 | |
| 801 | element->extra->length = self->extra->length; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 802 | } |
| 803 | |
| 804 | /* add object to memo dictionary (so deepcopy won't visit it again) */ |
Benjamin Peterson | ca47063 | 2016-09-06 13:47:26 -0700 | [diff] [blame] | 805 | id = PyLong_FromSsize_t((uintptr_t) self); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 806 | if (!id) |
| 807 | goto error; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 808 | |
| 809 | i = PyDict_SetItem(memo, id, (PyObject*) element); |
| 810 | |
| 811 | Py_DECREF(id); |
| 812 | |
| 813 | if (i < 0) |
| 814 | goto error; |
| 815 | |
| 816 | return (PyObject*) element; |
| 817 | |
| 818 | error: |
| 819 | Py_DECREF(element); |
| 820 | return NULL; |
| 821 | } |
| 822 | |
Serhiy Storchaka | 060ed71 | 2015-12-21 12:57:27 +0200 | [diff] [blame] | 823 | LOCAL(PyObject *) |
| 824 | deepcopy(PyObject *object, PyObject *memo) |
| 825 | { |
| 826 | /* do a deep copy of the given object */ |
Serhiy Storchaka | 060ed71 | 2015-12-21 12:57:27 +0200 | [diff] [blame] | 827 | elementtreestate *st; |
Victor Stinner | 7fbac45 | 2016-08-20 01:34:44 +0200 | [diff] [blame] | 828 | PyObject *stack[2]; |
Serhiy Storchaka | 060ed71 | 2015-12-21 12:57:27 +0200 | [diff] [blame] | 829 | |
| 830 | /* Fast paths */ |
| 831 | if (object == Py_None || PyUnicode_CheckExact(object)) { |
| 832 | Py_INCREF(object); |
| 833 | return object; |
| 834 | } |
| 835 | |
| 836 | if (Py_REFCNT(object) == 1) { |
| 837 | if (PyDict_CheckExact(object)) { |
| 838 | PyObject *key, *value; |
| 839 | Py_ssize_t pos = 0; |
| 840 | int simple = 1; |
| 841 | while (PyDict_Next(object, &pos, &key, &value)) { |
| 842 | if (!PyUnicode_CheckExact(key) || !PyUnicode_CheckExact(value)) { |
| 843 | simple = 0; |
| 844 | break; |
| 845 | } |
| 846 | } |
| 847 | if (simple) |
| 848 | return PyDict_Copy(object); |
| 849 | /* Fall through to general case */ |
| 850 | } |
| 851 | else if (Element_CheckExact(object)) { |
Oren Milman | d056818 | 2017-09-12 17:39:15 +0300 | [diff] [blame] | 852 | return _elementtree_Element___deepcopy___impl( |
| 853 | (ElementObject *)object, memo); |
Serhiy Storchaka | 060ed71 | 2015-12-21 12:57:27 +0200 | [diff] [blame] | 854 | } |
| 855 | } |
| 856 | |
| 857 | /* General case */ |
| 858 | st = ET_STATE_GLOBAL; |
| 859 | if (!st->deepcopy_obj) { |
| 860 | PyErr_SetString(PyExc_RuntimeError, |
| 861 | "deepcopy helper not found"); |
| 862 | return NULL; |
| 863 | } |
| 864 | |
Victor Stinner | 7fbac45 | 2016-08-20 01:34:44 +0200 | [diff] [blame] | 865 | stack[0] = object; |
| 866 | stack[1] = memo; |
Victor Stinner | 559bb6a | 2016-08-22 22:48:54 +0200 | [diff] [blame] | 867 | return _PyObject_FastCall(st->deepcopy_obj, stack, 2); |
Serhiy Storchaka | 060ed71 | 2015-12-21 12:57:27 +0200 | [diff] [blame] | 868 | } |
| 869 | |
| 870 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 871 | /*[clinic input] |
| 872 | _elementtree.Element.__sizeof__ -> Py_ssize_t |
| 873 | |
| 874 | [clinic start generated code]*/ |
| 875 | |
| 876 | static Py_ssize_t |
| 877 | _elementtree_Element___sizeof___impl(ElementObject *self) |
| 878 | /*[clinic end generated code: output=bf73867721008000 input=70f4b323d55a17c1]*/ |
Martin v. Löwis | bce1666 | 2012-06-17 10:41:22 +0200 | [diff] [blame] | 879 | { |
Serhiy Storchaka | 5c4064e | 2015-12-19 20:05:25 +0200 | [diff] [blame] | 880 | Py_ssize_t result = _PyObject_SIZE(Py_TYPE(self)); |
Martin v. Löwis | bce1666 | 2012-06-17 10:41:22 +0200 | [diff] [blame] | 881 | if (self->extra) { |
| 882 | result += sizeof(ElementObjectExtra); |
| 883 | if (self->extra->children != self->extra->_children) |
| 884 | result += sizeof(PyObject*) * self->extra->allocated; |
| 885 | } |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 886 | return result; |
Martin v. Löwis | bce1666 | 2012-06-17 10:41:22 +0200 | [diff] [blame] | 887 | } |
| 888 | |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 889 | /* dict keys for getstate/setstate. */ |
| 890 | #define PICKLED_TAG "tag" |
| 891 | #define PICKLED_CHILDREN "_children" |
| 892 | #define PICKLED_ATTRIB "attrib" |
| 893 | #define PICKLED_TAIL "tail" |
| 894 | #define PICKLED_TEXT "text" |
| 895 | |
| 896 | /* __getstate__ returns a fabricated instance dict as in the pure-Python |
| 897 | * Element implementation, for interoperability/interchangeability. This |
| 898 | * makes the pure-Python implementation details an API, but (a) there aren't |
| 899 | * any unnecessary structures there; and (b) it buys compatibility with 3.2 |
| 900 | * pickles. See issue #16076. |
| 901 | */ |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 902 | /*[clinic input] |
| 903 | _elementtree.Element.__getstate__ |
| 904 | |
| 905 | [clinic start generated code]*/ |
| 906 | |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 907 | static PyObject * |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 908 | _elementtree_Element___getstate___impl(ElementObject *self) |
| 909 | /*[clinic end generated code: output=37279aeeb6bb5b04 input=f0d16d7ec2f7adc1]*/ |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 910 | { |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 911 | Py_ssize_t i, noattrib; |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 912 | PyObject *instancedict = NULL, *children; |
| 913 | |
| 914 | /* Build a list of children. */ |
| 915 | children = PyList_New(self->extra ? self->extra->length : 0); |
| 916 | if (!children) |
| 917 | return NULL; |
| 918 | for (i = 0; i < PyList_GET_SIZE(children); i++) { |
| 919 | PyObject *child = self->extra->children[i]; |
| 920 | Py_INCREF(child); |
| 921 | PyList_SET_ITEM(children, i, child); |
| 922 | } |
| 923 | |
| 924 | /* Construct the state object. */ |
| 925 | noattrib = (self->extra == NULL || self->extra->attrib == Py_None); |
| 926 | if (noattrib) |
| 927 | instancedict = Py_BuildValue("{sOsOs{}sOsO}", |
| 928 | PICKLED_TAG, self->tag, |
| 929 | PICKLED_CHILDREN, children, |
| 930 | PICKLED_ATTRIB, |
Eli Bendersky | dd3661e | 2013-09-13 06:24:25 -0700 | [diff] [blame] | 931 | PICKLED_TEXT, JOIN_OBJ(self->text), |
| 932 | PICKLED_TAIL, JOIN_OBJ(self->tail)); |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 933 | else |
| 934 | instancedict = Py_BuildValue("{sOsOsOsOsO}", |
| 935 | PICKLED_TAG, self->tag, |
| 936 | PICKLED_CHILDREN, children, |
| 937 | PICKLED_ATTRIB, self->extra->attrib, |
Eli Bendersky | dd3661e | 2013-09-13 06:24:25 -0700 | [diff] [blame] | 938 | PICKLED_TEXT, JOIN_OBJ(self->text), |
| 939 | PICKLED_TAIL, JOIN_OBJ(self->tail)); |
Eli Bendersky | b8f6dc8 | 2013-01-12 05:20:16 -0800 | [diff] [blame] | 940 | if (instancedict) { |
| 941 | Py_DECREF(children); |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 942 | return instancedict; |
Eli Bendersky | b8f6dc8 | 2013-01-12 05:20:16 -0800 | [diff] [blame] | 943 | } |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 944 | else { |
| 945 | for (i = 0; i < PyList_GET_SIZE(children); i++) |
| 946 | Py_DECREF(PyList_GET_ITEM(children, i)); |
| 947 | Py_DECREF(children); |
| 948 | |
| 949 | return NULL; |
| 950 | } |
| 951 | } |
| 952 | |
| 953 | static PyObject * |
| 954 | element_setstate_from_attributes(ElementObject *self, |
| 955 | PyObject *tag, |
| 956 | PyObject *attrib, |
| 957 | PyObject *text, |
| 958 | PyObject *tail, |
| 959 | PyObject *children) |
| 960 | { |
| 961 | Py_ssize_t i, nchildren; |
| 962 | |
| 963 | if (!tag) { |
| 964 | PyErr_SetString(PyExc_TypeError, "tag may not be NULL"); |
| 965 | return NULL; |
| 966 | } |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 967 | |
Serhiy Storchaka | 191321d | 2015-12-27 15:41:34 +0200 | [diff] [blame] | 968 | Py_INCREF(tag); |
Serhiy Storchaka | 4884271 | 2016-04-06 09:45:48 +0300 | [diff] [blame] | 969 | Py_XSETREF(self->tag, tag); |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 970 | |
Eli Bendersky | dd3661e | 2013-09-13 06:24:25 -0700 | [diff] [blame] | 971 | _clear_joined_ptr(&self->text); |
| 972 | self->text = text ? JOIN_SET(text, PyList_CheckExact(text)) : Py_None; |
| 973 | Py_INCREF(JOIN_OBJ(self->text)); |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 974 | |
Eli Bendersky | dd3661e | 2013-09-13 06:24:25 -0700 | [diff] [blame] | 975 | _clear_joined_ptr(&self->tail); |
| 976 | self->tail = tail ? JOIN_SET(tail, PyList_CheckExact(tail)) : Py_None; |
| 977 | Py_INCREF(JOIN_OBJ(self->tail)); |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 978 | |
| 979 | /* Handle ATTRIB and CHILDREN. */ |
| 980 | if (!children && !attrib) |
| 981 | Py_RETURN_NONE; |
| 982 | |
| 983 | /* Compute 'nchildren'. */ |
| 984 | if (children) { |
| 985 | if (!PyList_Check(children)) { |
| 986 | PyErr_SetString(PyExc_TypeError, "'_children' is not a list"); |
| 987 | return NULL; |
| 988 | } |
| 989 | nchildren = PyList_Size(children); |
| 990 | } |
| 991 | else { |
| 992 | nchildren = 0; |
| 993 | } |
| 994 | |
| 995 | /* Allocate 'extra'. */ |
| 996 | if (element_resize(self, nchildren)) { |
| 997 | return NULL; |
| 998 | } |
| 999 | assert(self->extra && self->extra->allocated >= nchildren); |
| 1000 | |
| 1001 | /* Copy children */ |
| 1002 | for (i = 0; i < nchildren; i++) { |
| 1003 | self->extra->children[i] = PyList_GET_ITEM(children, i); |
| 1004 | Py_INCREF(self->extra->children[i]); |
| 1005 | } |
| 1006 | |
| 1007 | self->extra->length = nchildren; |
| 1008 | self->extra->allocated = nchildren; |
| 1009 | |
| 1010 | /* Stash attrib. */ |
| 1011 | if (attrib) { |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1012 | Py_INCREF(attrib); |
Serhiy Storchaka | 4884271 | 2016-04-06 09:45:48 +0300 | [diff] [blame] | 1013 | Py_XSETREF(self->extra->attrib, attrib); |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1014 | } |
| 1015 | |
| 1016 | Py_RETURN_NONE; |
| 1017 | } |
| 1018 | |
| 1019 | /* __setstate__ for Element instance from the Python implementation. |
| 1020 | * 'state' should be the instance dict. |
| 1021 | */ |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1022 | |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1023 | static PyObject * |
| 1024 | element_setstate_from_Python(ElementObject *self, PyObject *state) |
| 1025 | { |
| 1026 | static char *kwlist[] = {PICKLED_TAG, PICKLED_ATTRIB, PICKLED_TEXT, |
| 1027 | PICKLED_TAIL, PICKLED_CHILDREN, 0}; |
| 1028 | PyObject *args; |
| 1029 | PyObject *tag, *attrib, *text, *tail, *children; |
Eli Bendersky | 799e3ed | 2013-01-12 05:42:38 -0800 | [diff] [blame] | 1030 | PyObject *retval; |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1031 | |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1032 | tag = attrib = text = tail = children = NULL; |
| 1033 | args = PyTuple_New(0); |
Eli Bendersky | 799e3ed | 2013-01-12 05:42:38 -0800 | [diff] [blame] | 1034 | if (!args) |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1035 | return NULL; |
Eli Bendersky | 799e3ed | 2013-01-12 05:42:38 -0800 | [diff] [blame] | 1036 | |
| 1037 | if (PyArg_ParseTupleAndKeywords(args, state, "|$OOOOO", kwlist, &tag, |
| 1038 | &attrib, &text, &tail, &children)) |
| 1039 | retval = element_setstate_from_attributes(self, tag, attrib, text, |
| 1040 | tail, children); |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1041 | else |
Eli Bendersky | 799e3ed | 2013-01-12 05:42:38 -0800 | [diff] [blame] | 1042 | retval = NULL; |
| 1043 | |
| 1044 | Py_DECREF(args); |
| 1045 | return retval; |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1046 | } |
| 1047 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1048 | /*[clinic input] |
| 1049 | _elementtree.Element.__setstate__ |
| 1050 | |
| 1051 | state: object |
| 1052 | / |
| 1053 | |
| 1054 | [clinic start generated code]*/ |
| 1055 | |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1056 | static PyObject * |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1057 | _elementtree_Element___setstate__(ElementObject *self, PyObject *state) |
| 1058 | /*[clinic end generated code: output=ea28bf3491b1f75e input=aaf80abea7c1e3b9]*/ |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 1059 | { |
| 1060 | if (!PyDict_CheckExact(state)) { |
| 1061 | PyErr_Format(PyExc_TypeError, |
| 1062 | "Don't know how to unpickle \"%.200R\" as an Element", |
| 1063 | state); |
| 1064 | return NULL; |
| 1065 | } |
| 1066 | else |
| 1067 | return element_setstate_from_Python(self, state); |
| 1068 | } |
| 1069 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1070 | LOCAL(int) |
| 1071 | checkpath(PyObject* tag) |
| 1072 | { |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 1073 | Py_ssize_t i; |
| 1074 | int check = 1; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1075 | |
| 1076 | /* check if a tag contains an xpath character */ |
| 1077 | |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1078 | #define PATHCHAR(ch) \ |
| 1079 | (ch == '/' || ch == '*' || ch == '[' || ch == '@' || ch == '.') |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1080 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1081 | if (PyUnicode_Check(tag)) { |
Martin v. Löwis | d63a3b8 | 2011-09-28 07:41:54 +0200 | [diff] [blame] | 1082 | const Py_ssize_t len = PyUnicode_GET_LENGTH(tag); |
| 1083 | void *data = PyUnicode_DATA(tag); |
| 1084 | unsigned int kind = PyUnicode_KIND(tag); |
| 1085 | for (i = 0; i < len; i++) { |
| 1086 | Py_UCS4 ch = PyUnicode_READ(kind, data, i); |
| 1087 | if (ch == '{') |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1088 | check = 0; |
Martin v. Löwis | d63a3b8 | 2011-09-28 07:41:54 +0200 | [diff] [blame] | 1089 | else if (ch == '}') |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1090 | check = 1; |
Martin v. Löwis | d63a3b8 | 2011-09-28 07:41:54 +0200 | [diff] [blame] | 1091 | else if (check && PATHCHAR(ch)) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1092 | return 1; |
| 1093 | } |
| 1094 | return 0; |
| 1095 | } |
Christian Heimes | 72b710a | 2008-05-26 13:28:38 +0000 | [diff] [blame] | 1096 | if (PyBytes_Check(tag)) { |
| 1097 | char *p = PyBytes_AS_STRING(tag); |
| 1098 | for (i = 0; i < PyBytes_GET_SIZE(tag); i++) { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1099 | if (p[i] == '{') |
| 1100 | check = 0; |
| 1101 | else if (p[i] == '}') |
| 1102 | check = 1; |
| 1103 | else if (check && PATHCHAR(p[i])) |
| 1104 | return 1; |
| 1105 | } |
| 1106 | return 0; |
| 1107 | } |
| 1108 | |
| 1109 | return 1; /* unknown type; might be path expression */ |
| 1110 | } |
| 1111 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1112 | /*[clinic input] |
| 1113 | _elementtree.Element.extend |
| 1114 | |
| 1115 | elements: object |
| 1116 | / |
| 1117 | |
| 1118 | [clinic start generated code]*/ |
| 1119 | |
| 1120 | static PyObject * |
| 1121 | _elementtree_Element_extend(ElementObject *self, PyObject *elements) |
| 1122 | /*[clinic end generated code: output=f6e67fc2ff529191 input=807bc4f31c69f7c0]*/ |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1123 | { |
| 1124 | PyObject* seq; |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1125 | Py_ssize_t i; |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1126 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1127 | seq = PySequence_Fast(elements, ""); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1128 | if (!seq) { |
| 1129 | PyErr_Format( |
| 1130 | PyExc_TypeError, |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1131 | "expected sequence, not \"%.200s\"", Py_TYPE(elements)->tp_name |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1132 | ); |
| 1133 | return NULL; |
| 1134 | } |
| 1135 | |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1136 | for (i = 0; i < PySequence_Fast_GET_SIZE(seq); i++) { |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1137 | PyObject* element = PySequence_Fast_GET_ITEM(seq, i); |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1138 | Py_INCREF(element); |
| 1139 | if (!PyObject_TypeCheck(element, (PyTypeObject *)&Element_Type)) { |
Eli Bendersky | 396e8fc | 2012-03-23 14:24:20 +0200 | [diff] [blame] | 1140 | PyErr_Format( |
| 1141 | PyExc_TypeError, |
| 1142 | "expected an Element, not \"%.200s\"", |
| 1143 | Py_TYPE(element)->tp_name); |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1144 | Py_DECREF(seq); |
| 1145 | Py_DECREF(element); |
Eli Bendersky | 396e8fc | 2012-03-23 14:24:20 +0200 | [diff] [blame] | 1146 | return NULL; |
| 1147 | } |
| 1148 | |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1149 | if (element_add_subelement(self, element) < 0) { |
| 1150 | Py_DECREF(seq); |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1151 | Py_DECREF(element); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1152 | return NULL; |
| 1153 | } |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1154 | Py_DECREF(element); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1155 | } |
| 1156 | |
| 1157 | Py_DECREF(seq); |
| 1158 | |
| 1159 | Py_RETURN_NONE; |
| 1160 | } |
| 1161 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1162 | /*[clinic input] |
| 1163 | _elementtree.Element.find |
| 1164 | |
| 1165 | path: object |
| 1166 | namespaces: object = None |
| 1167 | |
| 1168 | [clinic start generated code]*/ |
| 1169 | |
| 1170 | static PyObject * |
| 1171 | _elementtree_Element_find_impl(ElementObject *self, PyObject *path, |
| 1172 | PyObject *namespaces) |
| 1173 | /*[clinic end generated code: output=41b43f0f0becafae input=359b6985f6489d2e]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1174 | { |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 1175 | Py_ssize_t i; |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 1176 | elementtreestate *st = ET_STATE_GLOBAL; |
Martin v. Löwis | afe55bb | 2011-10-09 10:38:36 +0200 | [diff] [blame] | 1177 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1178 | if (checkpath(path) || namespaces != Py_None) { |
Martin v. Löwis | bd928fe | 2011-10-14 10:20:37 +0200 | [diff] [blame] | 1179 | _Py_IDENTIFIER(find); |
Victor Stinner | f561634 | 2016-12-09 15:26:00 +0100 | [diff] [blame] | 1180 | return _PyObject_CallMethodIdObjArgs( |
| 1181 | st->elementpath_obj, &PyId_find, self, path, namespaces, NULL |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1182 | ); |
Martin v. Löwis | afe55bb | 2011-10-09 10:38:36 +0200 | [diff] [blame] | 1183 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1184 | |
| 1185 | if (!self->extra) |
| 1186 | Py_RETURN_NONE; |
Victor Stinner | bfc7bf0 | 2011-03-21 13:23:42 +0100 | [diff] [blame] | 1187 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1188 | for (i = 0; i < self->extra->length; i++) { |
| 1189 | PyObject* item = self->extra->children[i]; |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1190 | int rc; |
| 1191 | if (!Element_CheckExact(item)) |
| 1192 | continue; |
| 1193 | Py_INCREF(item); |
Serhiy Storchaka | a2c145c | 2015-05-18 18:33:31 +0300 | [diff] [blame] | 1194 | rc = PyObject_RichCompareBool(((ElementObject*)item)->tag, path, Py_EQ); |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1195 | if (rc > 0) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1196 | return item; |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1197 | Py_DECREF(item); |
| 1198 | if (rc < 0) |
| 1199 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1200 | } |
| 1201 | |
| 1202 | Py_RETURN_NONE; |
| 1203 | } |
| 1204 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1205 | /*[clinic input] |
| 1206 | _elementtree.Element.findtext |
| 1207 | |
| 1208 | path: object |
| 1209 | default: object = None |
| 1210 | namespaces: object = None |
| 1211 | |
| 1212 | [clinic start generated code]*/ |
| 1213 | |
| 1214 | static PyObject * |
| 1215 | _elementtree_Element_findtext_impl(ElementObject *self, PyObject *path, |
| 1216 | PyObject *default_value, |
| 1217 | PyObject *namespaces) |
| 1218 | /*[clinic end generated code: output=83b3ba4535d308d2 input=b53a85aa5aa2a916]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1219 | { |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 1220 | Py_ssize_t i; |
Martin v. Löwis | bd928fe | 2011-10-14 10:20:37 +0200 | [diff] [blame] | 1221 | _Py_IDENTIFIER(findtext); |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 1222 | elementtreestate *st = ET_STATE_GLOBAL; |
Martin v. Löwis | afe55bb | 2011-10-09 10:38:36 +0200 | [diff] [blame] | 1223 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1224 | if (checkpath(path) || namespaces != Py_None) |
Victor Stinner | f561634 | 2016-12-09 15:26:00 +0100 | [diff] [blame] | 1225 | return _PyObject_CallMethodIdObjArgs( |
| 1226 | st->elementpath_obj, &PyId_findtext, |
| 1227 | self, path, default_value, namespaces, NULL |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1228 | ); |
| 1229 | |
| 1230 | if (!self->extra) { |
| 1231 | Py_INCREF(default_value); |
| 1232 | return default_value; |
| 1233 | } |
| 1234 | |
| 1235 | for (i = 0; i < self->extra->length; i++) { |
| 1236 | ElementObject* item = (ElementObject*) self->extra->children[i]; |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1237 | int rc; |
| 1238 | if (!Element_CheckExact(item)) |
| 1239 | continue; |
| 1240 | Py_INCREF(item); |
Serhiy Storchaka | a2c145c | 2015-05-18 18:33:31 +0300 | [diff] [blame] | 1241 | rc = PyObject_RichCompareBool(item->tag, path, Py_EQ); |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1242 | if (rc > 0) { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1243 | PyObject* text = element_get_text(item); |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1244 | if (text == Py_None) { |
| 1245 | Py_DECREF(item); |
Eli Bendersky | 25771b3 | 2013-01-13 05:26:07 -0800 | [diff] [blame] | 1246 | return PyUnicode_New(0, 0); |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1247 | } |
Thomas Wouters | 00ee7ba | 2006-08-21 19:07:27 +0000 | [diff] [blame] | 1248 | Py_XINCREF(text); |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1249 | Py_DECREF(item); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1250 | return text; |
| 1251 | } |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1252 | Py_DECREF(item); |
| 1253 | if (rc < 0) |
| 1254 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1255 | } |
| 1256 | |
| 1257 | Py_INCREF(default_value); |
| 1258 | return default_value; |
| 1259 | } |
| 1260 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1261 | /*[clinic input] |
| 1262 | _elementtree.Element.findall |
| 1263 | |
| 1264 | path: object |
| 1265 | namespaces: object = None |
| 1266 | |
| 1267 | [clinic start generated code]*/ |
| 1268 | |
| 1269 | static PyObject * |
| 1270 | _elementtree_Element_findall_impl(ElementObject *self, PyObject *path, |
| 1271 | PyObject *namespaces) |
| 1272 | /*[clinic end generated code: output=1a0bd9f5541b711d input=4d9e6505a638550c]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1273 | { |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 1274 | Py_ssize_t i; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1275 | PyObject* out; |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1276 | PyObject* tag = path; |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 1277 | elementtreestate *st = ET_STATE_GLOBAL; |
Martin v. Löwis | afe55bb | 2011-10-09 10:38:36 +0200 | [diff] [blame] | 1278 | |
Martin v. Löwis | afe55bb | 2011-10-09 10:38:36 +0200 | [diff] [blame] | 1279 | if (checkpath(tag) || namespaces != Py_None) { |
Martin v. Löwis | bd928fe | 2011-10-14 10:20:37 +0200 | [diff] [blame] | 1280 | _Py_IDENTIFIER(findall); |
Victor Stinner | f561634 | 2016-12-09 15:26:00 +0100 | [diff] [blame] | 1281 | return _PyObject_CallMethodIdObjArgs( |
| 1282 | st->elementpath_obj, &PyId_findall, self, tag, namespaces, NULL |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1283 | ); |
Martin v. Löwis | afe55bb | 2011-10-09 10:38:36 +0200 | [diff] [blame] | 1284 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1285 | |
| 1286 | out = PyList_New(0); |
| 1287 | if (!out) |
| 1288 | return NULL; |
| 1289 | |
| 1290 | if (!self->extra) |
| 1291 | return out; |
| 1292 | |
| 1293 | for (i = 0; i < self->extra->length; i++) { |
| 1294 | PyObject* item = self->extra->children[i]; |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1295 | int rc; |
| 1296 | if (!Element_CheckExact(item)) |
| 1297 | continue; |
| 1298 | Py_INCREF(item); |
| 1299 | rc = PyObject_RichCompareBool(((ElementObject*)item)->tag, tag, Py_EQ); |
| 1300 | if (rc != 0 && (rc < 0 || PyList_Append(out, item) < 0)) { |
| 1301 | Py_DECREF(item); |
| 1302 | Py_DECREF(out); |
| 1303 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1304 | } |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1305 | Py_DECREF(item); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1306 | } |
| 1307 | |
| 1308 | return out; |
| 1309 | } |
| 1310 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1311 | /*[clinic input] |
| 1312 | _elementtree.Element.iterfind |
Martin v. Löwis | afe55bb | 2011-10-09 10:38:36 +0200 | [diff] [blame] | 1313 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1314 | path: object |
| 1315 | namespaces: object = None |
| 1316 | |
| 1317 | [clinic start generated code]*/ |
| 1318 | |
| 1319 | static PyObject * |
| 1320 | _elementtree_Element_iterfind_impl(ElementObject *self, PyObject *path, |
| 1321 | PyObject *namespaces) |
| 1322 | /*[clinic end generated code: output=ecdd56d63b19d40f input=abb974e350fb65c7]*/ |
| 1323 | { |
| 1324 | PyObject* tag = path; |
| 1325 | _Py_IDENTIFIER(iterfind); |
| 1326 | elementtreestate *st = ET_STATE_GLOBAL; |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1327 | |
Victor Stinner | f561634 | 2016-12-09 15:26:00 +0100 | [diff] [blame] | 1328 | return _PyObject_CallMethodIdObjArgs( |
| 1329 | st->elementpath_obj, &PyId_iterfind, self, tag, namespaces, NULL); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1330 | } |
| 1331 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1332 | /*[clinic input] |
| 1333 | _elementtree.Element.get |
| 1334 | |
| 1335 | key: object |
| 1336 | default: object = None |
| 1337 | |
| 1338 | [clinic start generated code]*/ |
| 1339 | |
| 1340 | static PyObject * |
| 1341 | _elementtree_Element_get_impl(ElementObject *self, PyObject *key, |
| 1342 | PyObject *default_value) |
| 1343 | /*[clinic end generated code: output=523c614142595d75 input=ee153bbf8cdb246e]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1344 | { |
| 1345 | PyObject* value; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1346 | |
| 1347 | if (!self->extra || self->extra->attrib == Py_None) |
| 1348 | value = default_value; |
| 1349 | else { |
| 1350 | value = PyDict_GetItem(self->extra->attrib, key); |
| 1351 | if (!value) |
| 1352 | value = default_value; |
| 1353 | } |
| 1354 | |
| 1355 | Py_INCREF(value); |
| 1356 | return value; |
| 1357 | } |
| 1358 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1359 | /*[clinic input] |
| 1360 | _elementtree.Element.getchildren |
| 1361 | |
| 1362 | [clinic start generated code]*/ |
| 1363 | |
| 1364 | static PyObject * |
| 1365 | _elementtree_Element_getchildren_impl(ElementObject *self) |
| 1366 | /*[clinic end generated code: output=e50ffe118637b14f input=0f754dfded150d5f]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1367 | { |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 1368 | Py_ssize_t i; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1369 | PyObject* list; |
| 1370 | |
Serhiy Storchaka | 762ec97 | 2017-03-30 18:12:06 +0300 | [diff] [blame] | 1371 | if (PyErr_WarnEx(PyExc_DeprecationWarning, |
| 1372 | "This method will be removed in future versions. " |
| 1373 | "Use 'list(elem)' or iteration over elem instead.", |
| 1374 | 1) < 0) { |
| 1375 | return NULL; |
| 1376 | } |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1377 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1378 | if (!self->extra) |
| 1379 | return PyList_New(0); |
| 1380 | |
| 1381 | list = PyList_New(self->extra->length); |
| 1382 | if (!list) |
| 1383 | return NULL; |
| 1384 | |
| 1385 | for (i = 0; i < self->extra->length; i++) { |
| 1386 | PyObject* item = self->extra->children[i]; |
| 1387 | Py_INCREF(item); |
| 1388 | PyList_SET_ITEM(list, i, item); |
| 1389 | } |
| 1390 | |
| 1391 | return list; |
| 1392 | } |
| 1393 | |
Victor Stinner | bfc7bf0 | 2011-03-21 13:23:42 +0100 | [diff] [blame] | 1394 | |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 1395 | static PyObject * |
| 1396 | create_elementiter(ElementObject *self, PyObject *tag, int gettext); |
| 1397 | |
| 1398 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1399 | /*[clinic input] |
| 1400 | _elementtree.Element.iter |
| 1401 | |
| 1402 | tag: object = None |
| 1403 | |
| 1404 | [clinic start generated code]*/ |
| 1405 | |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 1406 | static PyObject * |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1407 | _elementtree_Element_iter_impl(ElementObject *self, PyObject *tag) |
| 1408 | /*[clinic end generated code: output=3f49f9a862941cc5 input=774d5b12e573aedd]*/ |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 1409 | { |
Serhiy Storchaka | d6a69d8 | 2015-12-09 11:27:07 +0200 | [diff] [blame] | 1410 | if (PyUnicode_Check(tag)) { |
| 1411 | if (PyUnicode_READY(tag) < 0) |
| 1412 | return NULL; |
| 1413 | if (PyUnicode_GET_LENGTH(tag) == 1 && PyUnicode_READ_CHAR(tag, 0) == '*') |
| 1414 | tag = Py_None; |
| 1415 | } |
| 1416 | else if (PyBytes_Check(tag)) { |
| 1417 | if (PyBytes_GET_SIZE(tag) == 1 && *PyBytes_AS_STRING(tag) == '*') |
| 1418 | tag = Py_None; |
| 1419 | } |
| 1420 | |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 1421 | return create_elementiter(self, tag, 0); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1422 | } |
| 1423 | |
| 1424 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1425 | /*[clinic input] |
Serhiy Storchaka | 762ec97 | 2017-03-30 18:12:06 +0300 | [diff] [blame] | 1426 | _elementtree.Element.getiterator |
| 1427 | |
| 1428 | tag: object = None |
| 1429 | |
| 1430 | [clinic start generated code]*/ |
| 1431 | |
| 1432 | static PyObject * |
| 1433 | _elementtree_Element_getiterator_impl(ElementObject *self, PyObject *tag) |
| 1434 | /*[clinic end generated code: output=cb69ff4a3742dfa1 input=500da1a03f7b9e28]*/ |
| 1435 | { |
| 1436 | /* Change for a DeprecationWarning in 1.4 */ |
| 1437 | if (PyErr_WarnEx(PyExc_PendingDeprecationWarning, |
| 1438 | "This method will be removed in future versions. " |
| 1439 | "Use 'tree.iter()' or 'list(tree.iter())' instead.", |
| 1440 | 1) < 0) { |
| 1441 | return NULL; |
| 1442 | } |
| 1443 | return _elementtree_Element_iter_impl(self, tag); |
| 1444 | } |
| 1445 | |
| 1446 | |
| 1447 | /*[clinic input] |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1448 | _elementtree.Element.itertext |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1449 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1450 | [clinic start generated code]*/ |
| 1451 | |
| 1452 | static PyObject * |
| 1453 | _elementtree_Element_itertext_impl(ElementObject *self) |
| 1454 | /*[clinic end generated code: output=5fa34b2fbcb65df6 input=af8f0e42cb239c89]*/ |
| 1455 | { |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 1456 | return create_elementiter(self, Py_None, 1); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1457 | } |
| 1458 | |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 1459 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1460 | static PyObject* |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 1461 | element_getitem(PyObject* self_, Py_ssize_t index) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1462 | { |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 1463 | ElementObject* self = (ElementObject*) self_; |
| 1464 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1465 | if (!self->extra || index < 0 || index >= self->extra->length) { |
| 1466 | PyErr_SetString( |
| 1467 | PyExc_IndexError, |
| 1468 | "child index out of range" |
| 1469 | ); |
| 1470 | return NULL; |
| 1471 | } |
| 1472 | |
| 1473 | Py_INCREF(self->extra->children[index]); |
| 1474 | return self->extra->children[index]; |
| 1475 | } |
| 1476 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1477 | /*[clinic input] |
| 1478 | _elementtree.Element.insert |
| 1479 | |
| 1480 | index: Py_ssize_t |
| 1481 | subelement: object(subclass_of='&Element_Type') |
| 1482 | / |
| 1483 | |
| 1484 | [clinic start generated code]*/ |
| 1485 | |
| 1486 | static PyObject * |
| 1487 | _elementtree_Element_insert_impl(ElementObject *self, Py_ssize_t index, |
| 1488 | PyObject *subelement) |
| 1489 | /*[clinic end generated code: output=990adfef4d424c0b input=cd6fbfcdab52d7a8]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1490 | { |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1491 | Py_ssize_t i; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1492 | |
Victor Stinner | 5f0af23 | 2013-07-11 23:01:36 +0200 | [diff] [blame] | 1493 | if (!self->extra) { |
| 1494 | if (create_extra(self, NULL) < 0) |
| 1495 | return NULL; |
| 1496 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1497 | |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1498 | if (index < 0) { |
| 1499 | index += self->extra->length; |
| 1500 | if (index < 0) |
| 1501 | index = 0; |
| 1502 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1503 | if (index > self->extra->length) |
| 1504 | index = self->extra->length; |
| 1505 | |
| 1506 | if (element_resize(self, 1) < 0) |
| 1507 | return NULL; |
| 1508 | |
| 1509 | for (i = self->extra->length; i > index; i--) |
| 1510 | self->extra->children[i] = self->extra->children[i-1]; |
| 1511 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1512 | Py_INCREF(subelement); |
| 1513 | self->extra->children[index] = subelement; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1514 | |
| 1515 | self->extra->length++; |
| 1516 | |
| 1517 | Py_RETURN_NONE; |
| 1518 | } |
| 1519 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1520 | /*[clinic input] |
| 1521 | _elementtree.Element.items |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1522 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1523 | [clinic start generated code]*/ |
| 1524 | |
| 1525 | static PyObject * |
| 1526 | _elementtree_Element_items_impl(ElementObject *self) |
| 1527 | /*[clinic end generated code: output=6db2c778ce3f5a4d input=adbe09aaea474447]*/ |
| 1528 | { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1529 | if (!self->extra || self->extra->attrib == Py_None) |
| 1530 | return PyList_New(0); |
| 1531 | |
| 1532 | return PyDict_Items(self->extra->attrib); |
| 1533 | } |
| 1534 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1535 | /*[clinic input] |
| 1536 | _elementtree.Element.keys |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1537 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1538 | [clinic start generated code]*/ |
| 1539 | |
| 1540 | static PyObject * |
| 1541 | _elementtree_Element_keys_impl(ElementObject *self) |
| 1542 | /*[clinic end generated code: output=bc5bfabbf20eeb3c input=f02caf5b496b5b0b]*/ |
| 1543 | { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1544 | if (!self->extra || self->extra->attrib == Py_None) |
| 1545 | return PyList_New(0); |
| 1546 | |
| 1547 | return PyDict_Keys(self->extra->attrib); |
| 1548 | } |
| 1549 | |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 1550 | static Py_ssize_t |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1551 | element_length(ElementObject* self) |
| 1552 | { |
| 1553 | if (!self->extra) |
| 1554 | return 0; |
| 1555 | |
| 1556 | return self->extra->length; |
| 1557 | } |
| 1558 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1559 | /*[clinic input] |
| 1560 | _elementtree.Element.makeelement |
| 1561 | |
| 1562 | tag: object |
| 1563 | attrib: object |
| 1564 | / |
| 1565 | |
| 1566 | [clinic start generated code]*/ |
| 1567 | |
| 1568 | static PyObject * |
| 1569 | _elementtree_Element_makeelement_impl(ElementObject *self, PyObject *tag, |
| 1570 | PyObject *attrib) |
| 1571 | /*[clinic end generated code: output=4109832d5bb789ef input=9480d1d2e3e68235]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1572 | { |
| 1573 | PyObject* elem; |
| 1574 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1575 | attrib = PyDict_Copy(attrib); |
| 1576 | if (!attrib) |
| 1577 | return NULL; |
| 1578 | |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 1579 | elem = create_new_element(tag, attrib); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1580 | |
| 1581 | Py_DECREF(attrib); |
| 1582 | |
| 1583 | return elem; |
| 1584 | } |
| 1585 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1586 | /*[clinic input] |
| 1587 | _elementtree.Element.remove |
| 1588 | |
| 1589 | subelement: object(subclass_of='&Element_Type') |
| 1590 | / |
| 1591 | |
| 1592 | [clinic start generated code]*/ |
| 1593 | |
| 1594 | static PyObject * |
| 1595 | _elementtree_Element_remove_impl(ElementObject *self, PyObject *subelement) |
| 1596 | /*[clinic end generated code: output=38fe6c07d6d87d1f input=d52fc28ededc0bd8]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1597 | { |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 1598 | Py_ssize_t i; |
Serhiy Storchaka | a2c145c | 2015-05-18 18:33:31 +0300 | [diff] [blame] | 1599 | int rc; |
| 1600 | PyObject *found; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1601 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1602 | if (!self->extra) { |
| 1603 | /* element has no children, so raise exception */ |
| 1604 | PyErr_SetString( |
| 1605 | PyExc_ValueError, |
| 1606 | "list.remove(x): x not in list" |
| 1607 | ); |
| 1608 | return NULL; |
| 1609 | } |
| 1610 | |
| 1611 | for (i = 0; i < self->extra->length; i++) { |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1612 | if (self->extra->children[i] == subelement) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1613 | break; |
Serhiy Storchaka | a2c145c | 2015-05-18 18:33:31 +0300 | [diff] [blame] | 1614 | rc = PyObject_RichCompareBool(self->extra->children[i], subelement, Py_EQ); |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1615 | if (rc > 0) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1616 | break; |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1617 | if (rc < 0) |
| 1618 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1619 | } |
| 1620 | |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1621 | if (i >= self->extra->length) { |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1622 | /* subelement is not in children, so raise exception */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1623 | PyErr_SetString( |
| 1624 | PyExc_ValueError, |
| 1625 | "list.remove(x): x not in list" |
| 1626 | ); |
| 1627 | return NULL; |
| 1628 | } |
| 1629 | |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1630 | found = self->extra->children[i]; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1631 | |
| 1632 | self->extra->length--; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1633 | for (; i < self->extra->length; i++) |
| 1634 | self->extra->children[i] = self->extra->children[i+1]; |
| 1635 | |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 1636 | Py_DECREF(found); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1637 | Py_RETURN_NONE; |
| 1638 | } |
| 1639 | |
| 1640 | static PyObject* |
| 1641 | element_repr(ElementObject* self) |
| 1642 | { |
Serhiy Storchaka | 9062c26 | 2016-06-12 09:43:55 +0300 | [diff] [blame] | 1643 | int status; |
| 1644 | |
| 1645 | if (self->tag == NULL) |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 1646 | return PyUnicode_FromFormat("<Element at %p>", self); |
Serhiy Storchaka | 9062c26 | 2016-06-12 09:43:55 +0300 | [diff] [blame] | 1647 | |
| 1648 | status = Py_ReprEnter((PyObject *)self); |
| 1649 | if (status == 0) { |
| 1650 | PyObject *res; |
| 1651 | res = PyUnicode_FromFormat("<Element %R at %p>", self->tag, self); |
| 1652 | Py_ReprLeave((PyObject *)self); |
| 1653 | return res; |
| 1654 | } |
| 1655 | if (status > 0) |
| 1656 | PyErr_Format(PyExc_RuntimeError, |
| 1657 | "reentrant call inside %s.__repr__", |
| 1658 | Py_TYPE(self)->tp_name); |
| 1659 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1660 | } |
| 1661 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 1662 | /*[clinic input] |
| 1663 | _elementtree.Element.set |
| 1664 | |
| 1665 | key: object |
| 1666 | value: object |
| 1667 | / |
| 1668 | |
| 1669 | [clinic start generated code]*/ |
| 1670 | |
| 1671 | static PyObject * |
| 1672 | _elementtree_Element_set_impl(ElementObject *self, PyObject *key, |
| 1673 | PyObject *value) |
| 1674 | /*[clinic end generated code: output=fb938806be3c5656 input=1efe90f7d82b3fe9]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1675 | { |
| 1676 | PyObject* attrib; |
| 1677 | |
Victor Stinner | 5f0af23 | 2013-07-11 23:01:36 +0200 | [diff] [blame] | 1678 | if (!self->extra) { |
| 1679 | if (create_extra(self, NULL) < 0) |
| 1680 | return NULL; |
| 1681 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1682 | |
| 1683 | attrib = element_get_attrib(self); |
| 1684 | if (!attrib) |
| 1685 | return NULL; |
| 1686 | |
| 1687 | if (PyDict_SetItem(attrib, key, value) < 0) |
| 1688 | return NULL; |
| 1689 | |
| 1690 | Py_RETURN_NONE; |
| 1691 | } |
| 1692 | |
| 1693 | static int |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 1694 | element_setitem(PyObject* self_, Py_ssize_t index, PyObject* item) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1695 | { |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 1696 | ElementObject* self = (ElementObject*) self_; |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 1697 | Py_ssize_t i; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1698 | PyObject* old; |
| 1699 | |
| 1700 | if (!self->extra || index < 0 || index >= self->extra->length) { |
| 1701 | PyErr_SetString( |
| 1702 | PyExc_IndexError, |
| 1703 | "child assignment index out of range"); |
| 1704 | return -1; |
| 1705 | } |
| 1706 | |
| 1707 | old = self->extra->children[index]; |
| 1708 | |
| 1709 | if (item) { |
| 1710 | Py_INCREF(item); |
| 1711 | self->extra->children[index] = item; |
| 1712 | } else { |
| 1713 | self->extra->length--; |
| 1714 | for (i = index; i < self->extra->length; i++) |
| 1715 | self->extra->children[i] = self->extra->children[i+1]; |
| 1716 | } |
| 1717 | |
| 1718 | Py_DECREF(old); |
| 1719 | |
| 1720 | return 0; |
| 1721 | } |
| 1722 | |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1723 | static PyObject* |
| 1724 | element_subscr(PyObject* self_, PyObject* item) |
| 1725 | { |
| 1726 | ElementObject* self = (ElementObject*) self_; |
| 1727 | |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1728 | if (PyIndex_Check(item)) { |
| 1729 | Py_ssize_t i = PyNumber_AsSsize_t(item, PyExc_IndexError); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1730 | |
| 1731 | if (i == -1 && PyErr_Occurred()) { |
| 1732 | return NULL; |
| 1733 | } |
| 1734 | if (i < 0 && self->extra) |
| 1735 | i += self->extra->length; |
| 1736 | return element_getitem(self_, i); |
| 1737 | } |
| 1738 | else if (PySlice_Check(item)) { |
| 1739 | Py_ssize_t start, stop, step, slicelen, cur, i; |
| 1740 | PyObject* list; |
| 1741 | |
| 1742 | if (!self->extra) |
| 1743 | return PyList_New(0); |
| 1744 | |
Serhiy Storchaka | b879fe8 | 2017-04-08 09:53:51 +0300 | [diff] [blame] | 1745 | if (PySlice_Unpack(item, &start, &stop, &step) < 0) { |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1746 | return NULL; |
| 1747 | } |
Serhiy Storchaka | b879fe8 | 2017-04-08 09:53:51 +0300 | [diff] [blame] | 1748 | slicelen = PySlice_AdjustIndices(self->extra->length, &start, &stop, |
| 1749 | step); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1750 | |
| 1751 | if (slicelen <= 0) |
| 1752 | return PyList_New(0); |
| 1753 | else { |
| 1754 | list = PyList_New(slicelen); |
| 1755 | if (!list) |
| 1756 | return NULL; |
| 1757 | |
| 1758 | for (cur = start, i = 0; i < slicelen; |
| 1759 | cur += step, i++) { |
| 1760 | PyObject* item = self->extra->children[cur]; |
| 1761 | Py_INCREF(item); |
| 1762 | PyList_SET_ITEM(list, i, item); |
| 1763 | } |
| 1764 | |
| 1765 | return list; |
| 1766 | } |
| 1767 | } |
| 1768 | else { |
| 1769 | PyErr_SetString(PyExc_TypeError, |
| 1770 | "element indices must be integers"); |
| 1771 | return NULL; |
| 1772 | } |
| 1773 | } |
| 1774 | |
| 1775 | static int |
| 1776 | element_ass_subscr(PyObject* self_, PyObject* item, PyObject* value) |
| 1777 | { |
| 1778 | ElementObject* self = (ElementObject*) self_; |
| 1779 | |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1780 | if (PyIndex_Check(item)) { |
| 1781 | Py_ssize_t i = PyNumber_AsSsize_t(item, PyExc_IndexError); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1782 | |
| 1783 | if (i == -1 && PyErr_Occurred()) { |
| 1784 | return -1; |
| 1785 | } |
| 1786 | if (i < 0 && self->extra) |
| 1787 | i += self->extra->length; |
| 1788 | return element_setitem(self_, i, value); |
| 1789 | } |
| 1790 | else if (PySlice_Check(item)) { |
| 1791 | Py_ssize_t start, stop, step, slicelen, newlen, cur, i; |
| 1792 | |
| 1793 | PyObject* recycle = NULL; |
Serhiy Storchaka | 04d759b | 2015-11-22 12:18:38 +0200 | [diff] [blame] | 1794 | PyObject* seq; |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1795 | |
Victor Stinner | 5f0af23 | 2013-07-11 23:01:36 +0200 | [diff] [blame] | 1796 | if (!self->extra) { |
| 1797 | if (create_extra(self, NULL) < 0) |
| 1798 | return -1; |
| 1799 | } |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1800 | |
Serhiy Storchaka | b879fe8 | 2017-04-08 09:53:51 +0300 | [diff] [blame] | 1801 | if (PySlice_Unpack(item, &start, &stop, &step) < 0) { |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1802 | return -1; |
| 1803 | } |
Serhiy Storchaka | b879fe8 | 2017-04-08 09:53:51 +0300 | [diff] [blame] | 1804 | slicelen = PySlice_AdjustIndices(self->extra->length, &start, &stop, |
| 1805 | step); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1806 | |
Eli Bendersky | 865756a | 2012-03-09 13:38:15 +0200 | [diff] [blame] | 1807 | if (value == NULL) { |
| 1808 | /* Delete slice */ |
| 1809 | size_t cur; |
| 1810 | Py_ssize_t i; |
| 1811 | |
| 1812 | if (slicelen <= 0) |
| 1813 | return 0; |
| 1814 | |
| 1815 | /* Since we're deleting, the direction of the range doesn't matter, |
| 1816 | * so for simplicity make it always ascending. |
| 1817 | */ |
| 1818 | if (step < 0) { |
| 1819 | stop = start + 1; |
| 1820 | start = stop + step * (slicelen - 1) - 1; |
| 1821 | step = -step; |
| 1822 | } |
| 1823 | |
Benjamin Peterson | 2f8bfef | 2016-09-07 09:26:18 -0700 | [diff] [blame] | 1824 | assert((size_t)slicelen <= SIZE_MAX / sizeof(PyObject *)); |
Eli Bendersky | 865756a | 2012-03-09 13:38:15 +0200 | [diff] [blame] | 1825 | |
| 1826 | /* recycle is a list that will contain all the children |
| 1827 | * scheduled for removal. |
| 1828 | */ |
| 1829 | if (!(recycle = PyList_New(slicelen))) { |
| 1830 | PyErr_NoMemory(); |
| 1831 | return -1; |
| 1832 | } |
| 1833 | |
| 1834 | /* This loop walks over all the children that have to be deleted, |
| 1835 | * with cur pointing at them. num_moved is the amount of children |
| 1836 | * until the next deleted child that have to be "shifted down" to |
| 1837 | * occupy the deleted's places. |
| 1838 | * Note that in the ith iteration, shifting is done i+i places down |
| 1839 | * because i children were already removed. |
| 1840 | */ |
| 1841 | for (cur = start, i = 0; cur < (size_t)stop; cur += step, ++i) { |
| 1842 | /* Compute how many children have to be moved, clipping at the |
| 1843 | * list end. |
| 1844 | */ |
| 1845 | Py_ssize_t num_moved = step - 1; |
| 1846 | if (cur + step >= (size_t)self->extra->length) { |
| 1847 | num_moved = self->extra->length - cur - 1; |
| 1848 | } |
| 1849 | |
| 1850 | PyList_SET_ITEM(recycle, i, self->extra->children[cur]); |
| 1851 | |
| 1852 | memmove( |
| 1853 | self->extra->children + cur - i, |
| 1854 | self->extra->children + cur + 1, |
| 1855 | num_moved * sizeof(PyObject *)); |
| 1856 | } |
| 1857 | |
| 1858 | /* Leftover "tail" after the last removed child */ |
| 1859 | cur = start + (size_t)slicelen * step; |
| 1860 | if (cur < (size_t)self->extra->length) { |
| 1861 | memmove( |
| 1862 | self->extra->children + cur - slicelen, |
| 1863 | self->extra->children + cur, |
| 1864 | (self->extra->length - cur) * sizeof(PyObject *)); |
| 1865 | } |
| 1866 | |
| 1867 | self->extra->length -= slicelen; |
| 1868 | |
| 1869 | /* Discard the recycle list with all the deleted sub-elements */ |
| 1870 | Py_XDECREF(recycle); |
| 1871 | return 0; |
| 1872 | } |
Serhiy Storchaka | 04d759b | 2015-11-22 12:18:38 +0200 | [diff] [blame] | 1873 | |
| 1874 | /* A new slice is actually being assigned */ |
| 1875 | seq = PySequence_Fast(value, ""); |
| 1876 | if (!seq) { |
| 1877 | PyErr_Format( |
| 1878 | PyExc_TypeError, |
| 1879 | "expected sequence, not \"%.200s\"", Py_TYPE(value)->tp_name |
| 1880 | ); |
| 1881 | return -1; |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1882 | } |
Serhiy Storchaka | bf623ae | 2017-04-19 20:03:52 +0300 | [diff] [blame] | 1883 | newlen = PySequence_Fast_GET_SIZE(seq); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1884 | |
| 1885 | if (step != 1 && newlen != slicelen) |
| 1886 | { |
Serhiy Storchaka | 04d759b | 2015-11-22 12:18:38 +0200 | [diff] [blame] | 1887 | Py_DECREF(seq); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1888 | PyErr_Format(PyExc_ValueError, |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1889 | "attempt to assign sequence of size %zd " |
| 1890 | "to extended slice of size %zd", |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1891 | newlen, slicelen |
| 1892 | ); |
| 1893 | return -1; |
| 1894 | } |
| 1895 | |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1896 | /* Resize before creating the recycle bin, to prevent refleaks. */ |
| 1897 | if (newlen > slicelen) { |
| 1898 | if (element_resize(self, newlen - slicelen) < 0) { |
Serhiy Storchaka | 04d759b | 2015-11-22 12:18:38 +0200 | [diff] [blame] | 1899 | Py_DECREF(seq); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1900 | return -1; |
| 1901 | } |
| 1902 | } |
| 1903 | |
| 1904 | if (slicelen > 0) { |
| 1905 | /* to avoid recursive calls to this method (via decref), move |
| 1906 | old items to the recycle bin here, and get rid of them when |
| 1907 | we're done modifying the element */ |
| 1908 | recycle = PyList_New(slicelen); |
| 1909 | if (!recycle) { |
Serhiy Storchaka | 04d759b | 2015-11-22 12:18:38 +0200 | [diff] [blame] | 1910 | Py_DECREF(seq); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1911 | return -1; |
| 1912 | } |
| 1913 | for (cur = start, i = 0; i < slicelen; |
| 1914 | cur += step, i++) |
| 1915 | PyList_SET_ITEM(recycle, i, self->extra->children[cur]); |
| 1916 | } |
| 1917 | |
| 1918 | if (newlen < slicelen) { |
| 1919 | /* delete slice */ |
| 1920 | for (i = stop; i < self->extra->length; i++) |
| 1921 | self->extra->children[i + newlen - slicelen] = self->extra->children[i]; |
| 1922 | } else if (newlen > slicelen) { |
| 1923 | /* insert slice */ |
| 1924 | for (i = self->extra->length-1; i >= stop; i--) |
| 1925 | self->extra->children[i + newlen - slicelen] = self->extra->children[i]; |
| 1926 | } |
| 1927 | |
| 1928 | /* replace the slice */ |
| 1929 | for (cur = start, i = 0; i < newlen; |
| 1930 | cur += step, i++) { |
| 1931 | PyObject* element = PySequence_Fast_GET_ITEM(seq, i); |
| 1932 | Py_INCREF(element); |
| 1933 | self->extra->children[cur] = element; |
| 1934 | } |
| 1935 | |
| 1936 | self->extra->length += newlen - slicelen; |
| 1937 | |
Serhiy Storchaka | 04d759b | 2015-11-22 12:18:38 +0200 | [diff] [blame] | 1938 | Py_DECREF(seq); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1939 | |
| 1940 | /* discard the recycle bin, and everything in it */ |
| 1941 | Py_XDECREF(recycle); |
| 1942 | |
| 1943 | return 0; |
| 1944 | } |
| 1945 | else { |
| 1946 | PyErr_SetString(PyExc_TypeError, |
| 1947 | "element indices must be integers"); |
| 1948 | return -1; |
| 1949 | } |
| 1950 | } |
| 1951 | |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1952 | static PyObject* |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 1953 | element_tag_getter(ElementObject *self, void *closure) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1954 | { |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 1955 | PyObject *res = self->tag; |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 1956 | Py_INCREF(res); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1957 | return res; |
| 1958 | } |
| 1959 | |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 1960 | static PyObject* |
| 1961 | element_text_getter(ElementObject *self, void *closure) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1962 | { |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 1963 | PyObject *res = element_get_text(self); |
| 1964 | Py_XINCREF(res); |
| 1965 | return res; |
| 1966 | } |
Serhiy Storchaka | b6aa537 | 2015-11-23 08:42:25 +0200 | [diff] [blame] | 1967 | |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 1968 | static PyObject* |
| 1969 | element_tail_getter(ElementObject *self, void *closure) |
| 1970 | { |
| 1971 | PyObject *res = element_get_tail(self); |
| 1972 | Py_XINCREF(res); |
| 1973 | return res; |
| 1974 | } |
| 1975 | |
| 1976 | static PyObject* |
| 1977 | element_attrib_getter(ElementObject *self, void *closure) |
| 1978 | { |
| 1979 | PyObject *res; |
| 1980 | if (!self->extra) { |
| 1981 | if (create_extra(self, NULL) < 0) |
| 1982 | return NULL; |
Serhiy Storchaka | b6aa537 | 2015-11-23 08:42:25 +0200 | [diff] [blame] | 1983 | } |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 1984 | res = element_get_attrib(self); |
| 1985 | Py_XINCREF(res); |
| 1986 | return res; |
| 1987 | } |
Victor Stinner | 4d46343 | 2013-07-11 23:05:03 +0200 | [diff] [blame] | 1988 | |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 1989 | /* macro for setter validation */ |
| 1990 | #define _VALIDATE_ATTR_VALUE(V) \ |
| 1991 | if ((V) == NULL) { \ |
| 1992 | PyErr_SetString( \ |
| 1993 | PyExc_AttributeError, \ |
| 1994 | "can't delete element attribute"); \ |
| 1995 | return -1; \ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 1996 | } |
| 1997 | |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 1998 | static int |
| 1999 | element_tag_setter(ElementObject *self, PyObject *value, void *closure) |
| 2000 | { |
| 2001 | _VALIDATE_ATTR_VALUE(value); |
| 2002 | Py_INCREF(value); |
Serhiy Storchaka | f01e408 | 2016-04-10 18:12:01 +0300 | [diff] [blame] | 2003 | Py_SETREF(self->tag, value); |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 2004 | return 0; |
| 2005 | } |
| 2006 | |
| 2007 | static int |
| 2008 | element_text_setter(ElementObject *self, PyObject *value, void *closure) |
| 2009 | { |
| 2010 | _VALIDATE_ATTR_VALUE(value); |
| 2011 | Py_INCREF(value); |
| 2012 | Py_DECREF(JOIN_OBJ(self->text)); |
| 2013 | self->text = value; |
| 2014 | return 0; |
| 2015 | } |
| 2016 | |
| 2017 | static int |
| 2018 | element_tail_setter(ElementObject *self, PyObject *value, void *closure) |
| 2019 | { |
| 2020 | _VALIDATE_ATTR_VALUE(value); |
| 2021 | Py_INCREF(value); |
| 2022 | Py_DECREF(JOIN_OBJ(self->tail)); |
| 2023 | self->tail = value; |
| 2024 | return 0; |
| 2025 | } |
| 2026 | |
| 2027 | static int |
| 2028 | element_attrib_setter(ElementObject *self, PyObject *value, void *closure) |
| 2029 | { |
| 2030 | _VALIDATE_ATTR_VALUE(value); |
| 2031 | if (!self->extra) { |
| 2032 | if (create_extra(self, NULL) < 0) |
| 2033 | return -1; |
| 2034 | } |
| 2035 | Py_INCREF(value); |
Serhiy Storchaka | f01e408 | 2016-04-10 18:12:01 +0300 | [diff] [blame] | 2036 | Py_SETREF(self->extra->attrib, value); |
Eli Bendersky | ef9683b | 2013-05-18 07:52:34 -0700 | [diff] [blame] | 2037 | return 0; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2038 | } |
| 2039 | |
| 2040 | static PySequenceMethods element_as_sequence = { |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 2041 | (lenfunc) element_length, |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2042 | 0, /* sq_concat */ |
| 2043 | 0, /* sq_repeat */ |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 2044 | element_getitem, |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2045 | 0, |
Martin v. Löwis | 18e1655 | 2006-02-15 17:27:45 +0000 | [diff] [blame] | 2046 | element_setitem, |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2047 | 0, |
| 2048 | }; |
| 2049 | |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2050 | /******************************* Element iterator ****************************/ |
| 2051 | |
| 2052 | /* ElementIterObject represents the iteration state over an XML element in |
| 2053 | * pre-order traversal. To keep track of which sub-element should be returned |
| 2054 | * next, a stack of parents is maintained. This is a standard stack-based |
| 2055 | * iterative pre-order traversal of a tree. |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2056 | * The stack is managed using a continuous array. |
| 2057 | * 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] | 2058 | * the current one is exhausted, and the next child to examine in that parent. |
| 2059 | */ |
| 2060 | typedef struct ParentLocator_t { |
| 2061 | ElementObject *parent; |
| 2062 | Py_ssize_t child_index; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2063 | } ParentLocator; |
| 2064 | |
| 2065 | typedef struct { |
| 2066 | PyObject_HEAD |
| 2067 | ParentLocator *parent_stack; |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2068 | Py_ssize_t parent_stack_used; |
| 2069 | Py_ssize_t parent_stack_size; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2070 | ElementObject *root_element; |
| 2071 | PyObject *sought_tag; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2072 | int gettext; |
| 2073 | } ElementIterObject; |
| 2074 | |
| 2075 | |
| 2076 | static void |
| 2077 | elementiter_dealloc(ElementIterObject *it) |
| 2078 | { |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2079 | Py_ssize_t i = it->parent_stack_used; |
| 2080 | it->parent_stack_used = 0; |
INADA Naoki | a6296d3 | 2017-08-24 14:55:17 +0900 | [diff] [blame] | 2081 | /* bpo-31095: UnTrack is needed before calling any callbacks */ |
| 2082 | PyObject_GC_UnTrack(it); |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2083 | while (i--) |
| 2084 | Py_XDECREF(it->parent_stack[i].parent); |
| 2085 | PyMem_Free(it->parent_stack); |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2086 | |
| 2087 | Py_XDECREF(it->sought_tag); |
| 2088 | Py_XDECREF(it->root_element); |
| 2089 | |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2090 | PyObject_GC_Del(it); |
| 2091 | } |
| 2092 | |
| 2093 | static int |
| 2094 | elementiter_traverse(ElementIterObject *it, visitproc visit, void *arg) |
| 2095 | { |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2096 | Py_ssize_t i = it->parent_stack_used; |
| 2097 | while (i--) |
| 2098 | Py_VISIT(it->parent_stack[i].parent); |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2099 | |
| 2100 | Py_VISIT(it->root_element); |
| 2101 | Py_VISIT(it->sought_tag); |
| 2102 | return 0; |
| 2103 | } |
| 2104 | |
| 2105 | /* Helper function for elementiter_next. Add a new parent to the parent stack. |
| 2106 | */ |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2107 | static int |
| 2108 | parent_stack_push_new(ElementIterObject *it, ElementObject *parent) |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2109 | { |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2110 | ParentLocator *item; |
| 2111 | |
| 2112 | if (it->parent_stack_used >= it->parent_stack_size) { |
| 2113 | Py_ssize_t new_size = it->parent_stack_size * 2; /* never overflow */ |
| 2114 | ParentLocator *parent_stack = it->parent_stack; |
| 2115 | PyMem_Resize(parent_stack, ParentLocator, new_size); |
| 2116 | if (parent_stack == NULL) |
| 2117 | return -1; |
| 2118 | it->parent_stack = parent_stack; |
| 2119 | it->parent_stack_size = new_size; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2120 | } |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2121 | item = it->parent_stack + it->parent_stack_used++; |
| 2122 | Py_INCREF(parent); |
| 2123 | item->parent = parent; |
| 2124 | item->child_index = 0; |
| 2125 | return 0; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2126 | } |
| 2127 | |
| 2128 | static PyObject * |
| 2129 | elementiter_next(ElementIterObject *it) |
| 2130 | { |
| 2131 | /* Sub-element iterator. |
Eli Bendersky | 4583990 | 2013-01-13 05:14:47 -0800 | [diff] [blame] | 2132 | * |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2133 | * A short note on gettext: this function serves both the iter() and |
| 2134 | * itertext() methods to avoid code duplication. However, there are a few |
| 2135 | * small differences in the way these iterations work. Namely: |
| 2136 | * - itertext() only yields text from nodes that have it, and continues |
| 2137 | * iterating when a node doesn't have text (so it doesn't return any |
| 2138 | * node like iter()) |
| 2139 | * - itertext() also has to handle tail, after finishing with all the |
| 2140 | * children of a node. |
| 2141 | */ |
Serhiy Storchaka | 5bf3120 | 2015-05-18 18:29:33 +0300 | [diff] [blame] | 2142 | int rc; |
Serhiy Storchaka | 66c08d9 | 2015-12-21 11:09:48 +0200 | [diff] [blame] | 2143 | ElementObject *elem; |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2144 | PyObject *text; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2145 | |
| 2146 | while (1) { |
| 2147 | /* Handle the case reached in the beginning and end of iteration, where |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2148 | * 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] | 2149 | * iterator is exhausted. |
| 2150 | */ |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2151 | if (!it->parent_stack_used) { |
| 2152 | if (!it->root_element) { |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2153 | PyErr_SetNone(PyExc_StopIteration); |
| 2154 | return NULL; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2155 | } |
| 2156 | |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2157 | elem = it->root_element; /* steals a reference */ |
| 2158 | it->root_element = NULL; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2159 | } |
| 2160 | else { |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2161 | /* See if there are children left to traverse in the current parent. If |
| 2162 | * 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] | 2163 | */ |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2164 | ParentLocator *item = &it->parent_stack[it->parent_stack_used - 1]; |
| 2165 | Py_ssize_t child_index = item->child_index; |
| 2166 | ElementObjectExtra *extra; |
| 2167 | elem = item->parent; |
| 2168 | extra = elem->extra; |
| 2169 | if (!extra || child_index >= extra->length) { |
| 2170 | it->parent_stack_used--; |
| 2171 | /* Note that extra condition on it->parent_stack_used here; |
| 2172 | * this is because itertext() is supposed to only return *inner* |
| 2173 | * text, not text following the element it began iteration with. |
| 2174 | */ |
| 2175 | if (it->gettext && it->parent_stack_used) { |
| 2176 | text = element_get_tail(elem); |
| 2177 | goto gettext; |
| 2178 | } |
| 2179 | Py_DECREF(elem); |
| 2180 | continue; |
Serhiy Storchaka | 66c08d9 | 2015-12-21 11:09:48 +0200 | [diff] [blame] | 2181 | } |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2182 | |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 2183 | if (!PyObject_TypeCheck(extra->children[child_index], &Element_Type)) { |
| 2184 | PyErr_Format(PyExc_AttributeError, |
| 2185 | "'%.100s' object has no attribute 'iter'", |
| 2186 | Py_TYPE(extra->children[child_index])->tp_name); |
| 2187 | return NULL; |
| 2188 | } |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2189 | elem = (ElementObject *)extra->children[child_index]; |
| 2190 | item->child_index++; |
| 2191 | Py_INCREF(elem); |
| 2192 | } |
| 2193 | |
| 2194 | if (parent_stack_push_new(it, elem) < 0) { |
| 2195 | Py_DECREF(elem); |
| 2196 | PyErr_NoMemory(); |
| 2197 | return NULL; |
| 2198 | } |
| 2199 | if (it->gettext) { |
| 2200 | text = element_get_text(elem); |
| 2201 | goto gettext; |
| 2202 | } |
| 2203 | |
| 2204 | if (it->sought_tag == Py_None) |
| 2205 | return (PyObject *)elem; |
| 2206 | |
| 2207 | rc = PyObject_RichCompareBool(elem->tag, it->sought_tag, Py_EQ); |
| 2208 | if (rc > 0) |
| 2209 | return (PyObject *)elem; |
| 2210 | |
| 2211 | Py_DECREF(elem); |
| 2212 | if (rc < 0) |
| 2213 | return NULL; |
| 2214 | continue; |
| 2215 | |
| 2216 | gettext: |
| 2217 | if (!text) { |
| 2218 | Py_DECREF(elem); |
| 2219 | return NULL; |
| 2220 | } |
| 2221 | if (text == Py_None) { |
| 2222 | Py_DECREF(elem); |
| 2223 | } |
| 2224 | else { |
| 2225 | Py_INCREF(text); |
| 2226 | Py_DECREF(elem); |
| 2227 | rc = PyObject_IsTrue(text); |
| 2228 | if (rc > 0) |
| 2229 | return text; |
| 2230 | Py_DECREF(text); |
| 2231 | if (rc < 0) |
| 2232 | return NULL; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2233 | } |
| 2234 | } |
| 2235 | |
| 2236 | return NULL; |
| 2237 | } |
| 2238 | |
| 2239 | |
| 2240 | static PyTypeObject ElementIter_Type = { |
| 2241 | PyVarObject_HEAD_INIT(NULL, 0) |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 2242 | /* Using the module's name since the pure-Python implementation does not |
| 2243 | have such a type. */ |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2244 | "_elementtree._element_iterator", /* tp_name */ |
| 2245 | sizeof(ElementIterObject), /* tp_basicsize */ |
| 2246 | 0, /* tp_itemsize */ |
| 2247 | /* methods */ |
| 2248 | (destructor)elementiter_dealloc, /* tp_dealloc */ |
| 2249 | 0, /* tp_print */ |
| 2250 | 0, /* tp_getattr */ |
| 2251 | 0, /* tp_setattr */ |
| 2252 | 0, /* tp_reserved */ |
| 2253 | 0, /* tp_repr */ |
| 2254 | 0, /* tp_as_number */ |
| 2255 | 0, /* tp_as_sequence */ |
| 2256 | 0, /* tp_as_mapping */ |
| 2257 | 0, /* tp_hash */ |
| 2258 | 0, /* tp_call */ |
| 2259 | 0, /* tp_str */ |
| 2260 | 0, /* tp_getattro */ |
| 2261 | 0, /* tp_setattro */ |
| 2262 | 0, /* tp_as_buffer */ |
| 2263 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /* tp_flags */ |
| 2264 | 0, /* tp_doc */ |
| 2265 | (traverseproc)elementiter_traverse, /* tp_traverse */ |
| 2266 | 0, /* tp_clear */ |
| 2267 | 0, /* tp_richcompare */ |
| 2268 | 0, /* tp_weaklistoffset */ |
| 2269 | PyObject_SelfIter, /* tp_iter */ |
| 2270 | (iternextfunc)elementiter_next, /* tp_iternext */ |
| 2271 | 0, /* tp_methods */ |
| 2272 | 0, /* tp_members */ |
| 2273 | 0, /* tp_getset */ |
| 2274 | 0, /* tp_base */ |
| 2275 | 0, /* tp_dict */ |
| 2276 | 0, /* tp_descr_get */ |
| 2277 | 0, /* tp_descr_set */ |
| 2278 | 0, /* tp_dictoffset */ |
| 2279 | 0, /* tp_init */ |
| 2280 | 0, /* tp_alloc */ |
| 2281 | 0, /* tp_new */ |
| 2282 | }; |
| 2283 | |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2284 | #define INIT_PARENT_STACK_SIZE 8 |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2285 | |
| 2286 | static PyObject * |
| 2287 | create_elementiter(ElementObject *self, PyObject *tag, int gettext) |
| 2288 | { |
| 2289 | ElementIterObject *it; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2290 | |
| 2291 | it = PyObject_GC_New(ElementIterObject, &ElementIter_Type); |
| 2292 | if (!it) |
| 2293 | return NULL; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2294 | |
Victor Stinner | 4d46343 | 2013-07-11 23:05:03 +0200 | [diff] [blame] | 2295 | Py_INCREF(tag); |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2296 | it->sought_tag = tag; |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2297 | it->gettext = gettext; |
Victor Stinner | 4d46343 | 2013-07-11 23:05:03 +0200 | [diff] [blame] | 2298 | Py_INCREF(self); |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2299 | it->root_element = self; |
| 2300 | |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2301 | PyObject_GC_Track(it); |
Victor Stinner | d917dcb | 2013-07-12 02:05:17 +0200 | [diff] [blame] | 2302 | |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2303 | it->parent_stack = PyMem_New(ParentLocator, INIT_PARENT_STACK_SIZE); |
Victor Stinner | d917dcb | 2013-07-12 02:05:17 +0200 | [diff] [blame] | 2304 | if (it->parent_stack == NULL) { |
| 2305 | Py_DECREF(it); |
| 2306 | PyErr_NoMemory(); |
| 2307 | return NULL; |
| 2308 | } |
Serhiy Storchaka | 22adf2a | 2015-12-21 12:43:54 +0200 | [diff] [blame] | 2309 | it->parent_stack_used = 0; |
| 2310 | it->parent_stack_size = INIT_PARENT_STACK_SIZE; |
Victor Stinner | d917dcb | 2013-07-12 02:05:17 +0200 | [diff] [blame] | 2311 | |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 2312 | return (PyObject *)it; |
| 2313 | } |
| 2314 | |
| 2315 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2316 | /* ==================================================================== */ |
| 2317 | /* the tree builder type */ |
| 2318 | |
| 2319 | typedef struct { |
| 2320 | PyObject_HEAD |
| 2321 | |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2322 | PyObject *root; /* root node (first created node) */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2323 | |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2324 | PyObject *this; /* current node */ |
| 2325 | PyObject *last; /* most recently created node */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2326 | |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2327 | PyObject *data; /* data collector (string or list), or NULL */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2328 | |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2329 | PyObject *stack; /* element stack */ |
| 2330 | Py_ssize_t index; /* current stack size (0 means empty) */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2331 | |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2332 | PyObject *element_factory; |
| 2333 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2334 | /* element tracing */ |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 2335 | 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] | 2336 | PyObject *start_event_obj; /* event objects (NULL to ignore) */ |
| 2337 | PyObject *end_event_obj; |
| 2338 | PyObject *start_ns_event_obj; |
| 2339 | PyObject *end_ns_event_obj; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2340 | } TreeBuilderObject; |
| 2341 | |
Christian Heimes | 90aa764 | 2007-12-19 02:45:37 +0000 | [diff] [blame] | 2342 | #define TreeBuilder_CheckExact(op) (Py_TYPE(op) == &TreeBuilder_Type) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2343 | |
| 2344 | /* -------------------------------------------------------------------- */ |
| 2345 | /* constructor and destructor */ |
| 2346 | |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2347 | static PyObject * |
| 2348 | treebuilder_new(PyTypeObject *type, PyObject *args, PyObject *kwds) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2349 | { |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2350 | TreeBuilderObject *t = (TreeBuilderObject *)type->tp_alloc(type, 0); |
| 2351 | if (t != NULL) { |
| 2352 | t->root = NULL; |
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 | Py_INCREF(Py_None); |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2355 | t->this = Py_None; |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2356 | Py_INCREF(Py_None); |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2357 | t->last = Py_None; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2358 | |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2359 | t->data = NULL; |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2360 | t->element_factory = NULL; |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2361 | t->stack = PyList_New(20); |
| 2362 | if (!t->stack) { |
| 2363 | Py_DECREF(t->this); |
| 2364 | Py_DECREF(t->last); |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 2365 | Py_DECREF((PyObject *) t); |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2366 | return NULL; |
| 2367 | } |
| 2368 | t->index = 0; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2369 | |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 2370 | t->events_append = NULL; |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2371 | t->start_event_obj = t->end_event_obj = NULL; |
| 2372 | t->start_ns_event_obj = t->end_ns_event_obj = NULL; |
| 2373 | } |
| 2374 | return (PyObject *)t; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2375 | } |
| 2376 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 2377 | /*[clinic input] |
| 2378 | _elementtree.TreeBuilder.__init__ |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2379 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 2380 | element_factory: object = NULL |
| 2381 | |
| 2382 | [clinic start generated code]*/ |
| 2383 | |
| 2384 | static int |
| 2385 | _elementtree_TreeBuilder___init___impl(TreeBuilderObject *self, |
| 2386 | PyObject *element_factory) |
| 2387 | /*[clinic end generated code: output=91cfa7558970ee96 input=1b424eeefc35249c]*/ |
| 2388 | { |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2389 | if (element_factory) { |
| 2390 | Py_INCREF(element_factory); |
Serhiy Storchaka | ec39756 | 2016-04-06 09:50:03 +0300 | [diff] [blame] | 2391 | Py_XSETREF(self->element_factory, element_factory); |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2392 | } |
| 2393 | |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2394 | return 0; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2395 | } |
| 2396 | |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2397 | static int |
| 2398 | treebuilder_gc_traverse(TreeBuilderObject *self, visitproc visit, void *arg) |
| 2399 | { |
| 2400 | Py_VISIT(self->root); |
| 2401 | Py_VISIT(self->this); |
| 2402 | Py_VISIT(self->last); |
| 2403 | Py_VISIT(self->data); |
| 2404 | Py_VISIT(self->stack); |
| 2405 | Py_VISIT(self->element_factory); |
| 2406 | return 0; |
| 2407 | } |
| 2408 | |
| 2409 | static int |
| 2410 | treebuilder_gc_clear(TreeBuilderObject *self) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2411 | { |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 2412 | Py_CLEAR(self->end_ns_event_obj); |
| 2413 | Py_CLEAR(self->start_ns_event_obj); |
| 2414 | Py_CLEAR(self->end_event_obj); |
| 2415 | Py_CLEAR(self->start_event_obj); |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 2416 | Py_CLEAR(self->events_append); |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 2417 | Py_CLEAR(self->stack); |
| 2418 | Py_CLEAR(self->data); |
| 2419 | Py_CLEAR(self->last); |
| 2420 | Py_CLEAR(self->this); |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2421 | Py_CLEAR(self->element_factory); |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 2422 | Py_CLEAR(self->root); |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2423 | return 0; |
| 2424 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2425 | |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2426 | static void |
| 2427 | treebuilder_dealloc(TreeBuilderObject *self) |
| 2428 | { |
| 2429 | PyObject_GC_UnTrack(self); |
| 2430 | treebuilder_gc_clear(self); |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 2431 | Py_TYPE(self)->tp_free((PyObject *)self); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2432 | } |
| 2433 | |
| 2434 | /* -------------------------------------------------------------------- */ |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2435 | /* helpers for handling of arbitrary element-like objects */ |
| 2436 | |
| 2437 | static int |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 2438 | treebuilder_set_element_text_or_tail(PyObject *element, PyObject **data, |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2439 | PyObject **dest, _Py_Identifier *name) |
| 2440 | { |
| 2441 | if (Element_CheckExact(element)) { |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 2442 | PyObject *tmp = JOIN_OBJ(*dest); |
| 2443 | *dest = JOIN_SET(*data, PyList_CheckExact(*data)); |
| 2444 | *data = NULL; |
| 2445 | Py_DECREF(tmp); |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2446 | return 0; |
| 2447 | } |
| 2448 | else { |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 2449 | PyObject *joined = list_join(*data); |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2450 | int r; |
| 2451 | if (joined == NULL) |
| 2452 | return -1; |
| 2453 | r = _PyObject_SetAttrId(element, name, joined); |
| 2454 | Py_DECREF(joined); |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 2455 | if (r < 0) |
| 2456 | return -1; |
| 2457 | Py_CLEAR(*data); |
| 2458 | return 0; |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2459 | } |
| 2460 | } |
| 2461 | |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 2462 | LOCAL(int) |
| 2463 | treebuilder_flush_data(TreeBuilderObject* self) |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2464 | { |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 2465 | PyObject *element = self->last; |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2466 | |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 2467 | if (!self->data) { |
| 2468 | return 0; |
| 2469 | } |
| 2470 | |
| 2471 | if (self->this == element) { |
| 2472 | _Py_IDENTIFIER(text); |
| 2473 | return treebuilder_set_element_text_or_tail( |
| 2474 | element, &self->data, |
| 2475 | &((ElementObject *) element)->text, &PyId_text); |
| 2476 | } |
| 2477 | else { |
| 2478 | _Py_IDENTIFIER(tail); |
| 2479 | return treebuilder_set_element_text_or_tail( |
| 2480 | element, &self->data, |
| 2481 | &((ElementObject *) element)->tail, &PyId_tail); |
| 2482 | } |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2483 | } |
| 2484 | |
| 2485 | static int |
| 2486 | treebuilder_add_subelement(PyObject *element, PyObject *child) |
| 2487 | { |
| 2488 | _Py_IDENTIFIER(append); |
| 2489 | if (Element_CheckExact(element)) { |
| 2490 | ElementObject *elem = (ElementObject *) element; |
| 2491 | return element_add_subelement(elem, child); |
| 2492 | } |
| 2493 | else { |
| 2494 | PyObject *res; |
Victor Stinner | f561634 | 2016-12-09 15:26:00 +0100 | [diff] [blame] | 2495 | res = _PyObject_CallMethodIdObjArgs(element, &PyId_append, child, NULL); |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2496 | if (res == NULL) |
| 2497 | return -1; |
| 2498 | Py_DECREF(res); |
| 2499 | return 0; |
| 2500 | } |
| 2501 | } |
| 2502 | |
Serhiy Storchaka | 7efaf95 | 2015-12-06 23:51:44 +0200 | [diff] [blame] | 2503 | LOCAL(int) |
| 2504 | treebuilder_append_event(TreeBuilderObject *self, PyObject *action, |
| 2505 | PyObject *node) |
| 2506 | { |
| 2507 | if (action != NULL) { |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 2508 | PyObject *res; |
| 2509 | PyObject *event = PyTuple_Pack(2, action, node); |
| 2510 | if (event == NULL) |
| 2511 | return -1; |
Victor Stinner | de4ae3d | 2016-12-04 22:59:09 +0100 | [diff] [blame] | 2512 | res = PyObject_CallFunctionObjArgs(self->events_append, event, NULL); |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 2513 | Py_DECREF(event); |
Serhiy Storchaka | 7efaf95 | 2015-12-06 23:51:44 +0200 | [diff] [blame] | 2514 | if (res == NULL) |
| 2515 | return -1; |
Serhiy Storchaka | 7efaf95 | 2015-12-06 23:51:44 +0200 | [diff] [blame] | 2516 | Py_DECREF(res); |
| 2517 | } |
| 2518 | return 0; |
| 2519 | } |
| 2520 | |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2521 | /* -------------------------------------------------------------------- */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2522 | /* handlers */ |
| 2523 | |
| 2524 | LOCAL(PyObject*) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2525 | treebuilder_handle_start(TreeBuilderObject* self, PyObject* tag, |
| 2526 | PyObject* attrib) |
| 2527 | { |
| 2528 | PyObject* node; |
| 2529 | PyObject* this; |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 2530 | elementtreestate *st = ET_STATE_GLOBAL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2531 | |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 2532 | if (treebuilder_flush_data(self) < 0) { |
| 2533 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2534 | } |
| 2535 | |
Serhiy Storchaka | 36ff997 | 2015-12-10 09:51:53 +0200 | [diff] [blame] | 2536 | if (!self->element_factory || self->element_factory == Py_None) { |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2537 | node = create_new_element(tag, attrib); |
Serhiy Storchaka | 36ff997 | 2015-12-10 09:51:53 +0200 | [diff] [blame] | 2538 | } else if (attrib == Py_None) { |
| 2539 | attrib = PyDict_New(); |
| 2540 | if (!attrib) |
| 2541 | return NULL; |
Victor Stinner | 5abaa2b | 2016-12-09 16:22:32 +0100 | [diff] [blame] | 2542 | node = PyObject_CallFunctionObjArgs(self->element_factory, |
| 2543 | tag, attrib, NULL); |
Serhiy Storchaka | 36ff997 | 2015-12-10 09:51:53 +0200 | [diff] [blame] | 2544 | Py_DECREF(attrib); |
| 2545 | } |
| 2546 | else { |
Victor Stinner | 5abaa2b | 2016-12-09 16:22:32 +0100 | [diff] [blame] | 2547 | node = PyObject_CallFunctionObjArgs(self->element_factory, |
| 2548 | tag, attrib, NULL); |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2549 | } |
| 2550 | if (!node) { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2551 | return NULL; |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 2552 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2553 | |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2554 | this = self->this; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2555 | |
| 2556 | if (this != Py_None) { |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2557 | if (treebuilder_add_subelement(this, node) < 0) |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 2558 | goto error; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2559 | } else { |
| 2560 | if (self->root) { |
| 2561 | PyErr_SetString( |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 2562 | st->parseerror_obj, |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2563 | "multiple elements on top level" |
| 2564 | ); |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 2565 | goto error; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2566 | } |
| 2567 | Py_INCREF(node); |
| 2568 | self->root = node; |
| 2569 | } |
| 2570 | |
| 2571 | if (self->index < PyList_GET_SIZE(self->stack)) { |
| 2572 | if (PyList_SetItem(self->stack, self->index, this) < 0) |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 2573 | goto error; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2574 | Py_INCREF(this); |
| 2575 | } else { |
| 2576 | if (PyList_Append(self->stack, this) < 0) |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 2577 | goto error; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2578 | } |
| 2579 | self->index++; |
| 2580 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2581 | Py_INCREF(node); |
Serhiy Storchaka | 57a01d3 | 2016-04-10 18:05:40 +0300 | [diff] [blame] | 2582 | Py_SETREF(self->this, node); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2583 | Py_INCREF(node); |
Serhiy Storchaka | 57a01d3 | 2016-04-10 18:05:40 +0300 | [diff] [blame] | 2584 | Py_SETREF(self->last, node); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2585 | |
Serhiy Storchaka | 7efaf95 | 2015-12-06 23:51:44 +0200 | [diff] [blame] | 2586 | if (treebuilder_append_event(self, self->start_event_obj, node) < 0) |
| 2587 | goto error; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2588 | |
| 2589 | return node; |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 2590 | |
| 2591 | error: |
| 2592 | Py_DECREF(node); |
| 2593 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2594 | } |
| 2595 | |
| 2596 | LOCAL(PyObject*) |
| 2597 | treebuilder_handle_data(TreeBuilderObject* self, PyObject* data) |
| 2598 | { |
| 2599 | if (!self->data) { |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2600 | if (self->last == Py_None) { |
Thomas Wouters | 00ee7ba | 2006-08-21 19:07:27 +0000 | [diff] [blame] | 2601 | /* ignore calls to data before the first call to start */ |
| 2602 | Py_RETURN_NONE; |
| 2603 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2604 | /* store the first item as is */ |
| 2605 | Py_INCREF(data); self->data = data; |
| 2606 | } else { |
| 2607 | /* more than one item; use a list to collect items */ |
Christian Heimes | 72b710a | 2008-05-26 13:28:38 +0000 | [diff] [blame] | 2608 | if (PyBytes_CheckExact(self->data) && Py_REFCNT(self->data) == 1 && |
| 2609 | PyBytes_CheckExact(data) && PyBytes_GET_SIZE(data) == 1) { |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 2610 | /* XXX this code path unused in Python 3? */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2611 | /* expat often generates single character data sections; handle |
| 2612 | the most common case by resizing the existing string... */ |
Christian Heimes | 72b710a | 2008-05-26 13:28:38 +0000 | [diff] [blame] | 2613 | Py_ssize_t size = PyBytes_GET_SIZE(self->data); |
| 2614 | if (_PyBytes_Resize(&self->data, size + 1) < 0) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2615 | return NULL; |
Christian Heimes | 72b710a | 2008-05-26 13:28:38 +0000 | [diff] [blame] | 2616 | PyBytes_AS_STRING(self->data)[size] = PyBytes_AS_STRING(data)[0]; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2617 | } else if (PyList_CheckExact(self->data)) { |
| 2618 | if (PyList_Append(self->data, data) < 0) |
| 2619 | return NULL; |
| 2620 | } else { |
| 2621 | PyObject* list = PyList_New(2); |
| 2622 | if (!list) |
| 2623 | return NULL; |
| 2624 | PyList_SET_ITEM(list, 0, self->data); |
| 2625 | Py_INCREF(data); PyList_SET_ITEM(list, 1, data); |
| 2626 | self->data = list; |
| 2627 | } |
| 2628 | } |
| 2629 | |
| 2630 | Py_RETURN_NONE; |
| 2631 | } |
| 2632 | |
| 2633 | LOCAL(PyObject*) |
| 2634 | treebuilder_handle_end(TreeBuilderObject* self, PyObject* tag) |
| 2635 | { |
| 2636 | PyObject* item; |
| 2637 | |
Serhiy Storchaka | 576def0 | 2017-03-30 09:47:31 +0300 | [diff] [blame] | 2638 | if (treebuilder_flush_data(self) < 0) { |
| 2639 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2640 | } |
| 2641 | |
| 2642 | if (self->index == 0) { |
| 2643 | PyErr_SetString( |
| 2644 | PyExc_IndexError, |
| 2645 | "pop from empty stack" |
| 2646 | ); |
| 2647 | return NULL; |
| 2648 | } |
| 2649 | |
Serhiy Storchaka | 191321d | 2015-12-27 15:41:34 +0200 | [diff] [blame] | 2650 | item = self->last; |
Antoine Pitrou | ee32931 | 2012-10-04 19:53:29 +0200 | [diff] [blame] | 2651 | self->last = self->this; |
Serhiy Storchaka | 191321d | 2015-12-27 15:41:34 +0200 | [diff] [blame] | 2652 | self->index--; |
| 2653 | self->this = PyList_GET_ITEM(self->stack, self->index); |
| 2654 | Py_INCREF(self->this); |
| 2655 | Py_DECREF(item); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2656 | |
Serhiy Storchaka | 7efaf95 | 2015-12-06 23:51:44 +0200 | [diff] [blame] | 2657 | if (treebuilder_append_event(self, self->end_event_obj, self->last) < 0) |
| 2658 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2659 | |
| 2660 | Py_INCREF(self->last); |
| 2661 | return (PyObject*) self->last; |
| 2662 | } |
| 2663 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2664 | /* -------------------------------------------------------------------- */ |
| 2665 | /* methods (in alphabetical order) */ |
| 2666 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 2667 | /*[clinic input] |
| 2668 | _elementtree.TreeBuilder.data |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2669 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 2670 | data: object |
| 2671 | / |
| 2672 | |
| 2673 | [clinic start generated code]*/ |
| 2674 | |
| 2675 | static PyObject * |
| 2676 | _elementtree_TreeBuilder_data(TreeBuilderObject *self, PyObject *data) |
| 2677 | /*[clinic end generated code: output=69144c7100795bb2 input=a0540c532b284d29]*/ |
| 2678 | { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2679 | return treebuilder_handle_data(self, data); |
| 2680 | } |
| 2681 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 2682 | /*[clinic input] |
| 2683 | _elementtree.TreeBuilder.end |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2684 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 2685 | tag: object |
| 2686 | / |
| 2687 | |
| 2688 | [clinic start generated code]*/ |
| 2689 | |
| 2690 | static PyObject * |
| 2691 | _elementtree_TreeBuilder_end(TreeBuilderObject *self, PyObject *tag) |
| 2692 | /*[clinic end generated code: output=9a98727cc691cd9d input=22dc3674236f5745]*/ |
| 2693 | { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2694 | return treebuilder_handle_end(self, tag); |
| 2695 | } |
| 2696 | |
| 2697 | LOCAL(PyObject*) |
| 2698 | treebuilder_done(TreeBuilderObject* self) |
| 2699 | { |
| 2700 | PyObject* res; |
| 2701 | |
| 2702 | /* FIXME: check stack size? */ |
| 2703 | |
| 2704 | if (self->root) |
| 2705 | res = self->root; |
| 2706 | else |
| 2707 | res = Py_None; |
| 2708 | |
| 2709 | Py_INCREF(res); |
| 2710 | return res; |
| 2711 | } |
| 2712 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 2713 | /*[clinic input] |
| 2714 | _elementtree.TreeBuilder.close |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2715 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 2716 | [clinic start generated code]*/ |
| 2717 | |
| 2718 | static PyObject * |
| 2719 | _elementtree_TreeBuilder_close_impl(TreeBuilderObject *self) |
| 2720 | /*[clinic end generated code: output=b441fee3202f61ee input=f7c9c65dc718de14]*/ |
| 2721 | { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2722 | return treebuilder_done(self); |
| 2723 | } |
| 2724 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 2725 | /*[clinic input] |
| 2726 | _elementtree.TreeBuilder.start |
| 2727 | |
| 2728 | tag: object |
| 2729 | attrs: object = None |
| 2730 | / |
| 2731 | |
| 2732 | [clinic start generated code]*/ |
| 2733 | |
| 2734 | static PyObject * |
| 2735 | _elementtree_TreeBuilder_start_impl(TreeBuilderObject *self, PyObject *tag, |
| 2736 | PyObject *attrs) |
| 2737 | /*[clinic end generated code: output=e7e9dc2861349411 input=95fc1758dd042c65]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2738 | { |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 2739 | return treebuilder_handle_start(self, tag, attrs); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2740 | } |
| 2741 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2742 | /* ==================================================================== */ |
| 2743 | /* the expat interface */ |
| 2744 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2745 | #include "expat.h" |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2746 | #include "pyexpat.h" |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 2747 | |
| 2748 | /* The PyExpat_CAPI structure is an immutable dispatch table, so it can be |
| 2749 | * cached globally without being in per-module state. |
| 2750 | */ |
Eli Bendersky | 20d4174 | 2012-06-01 09:48:37 +0300 | [diff] [blame] | 2751 | static struct PyExpat_CAPI *expat_capi; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2752 | #define EXPAT(func) (expat_capi->func) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2753 | |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 2754 | static XML_Memory_Handling_Suite ExpatMemoryHandler = { |
| 2755 | PyObject_Malloc, PyObject_Realloc, PyObject_Free}; |
| 2756 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2757 | typedef struct { |
| 2758 | PyObject_HEAD |
| 2759 | |
| 2760 | XML_Parser parser; |
| 2761 | |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 2762 | PyObject *target; |
| 2763 | PyObject *entity; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2764 | |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 2765 | PyObject *names; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2766 | |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 2767 | PyObject *handle_start; |
| 2768 | PyObject *handle_data; |
| 2769 | PyObject *handle_end; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2770 | |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 2771 | PyObject *handle_comment; |
| 2772 | PyObject *handle_pi; |
| 2773 | PyObject *handle_doctype; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2774 | |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 2775 | PyObject *handle_close; |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2776 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2777 | } XMLParserObject; |
| 2778 | |
Serhiy Storchaka | 4a01cab | 2015-06-29 23:08:52 +0300 | [diff] [blame] | 2779 | static PyObject* |
Serhiy Storchaka | 6969eaf | 2017-07-03 21:20:15 +0300 | [diff] [blame] | 2780 | _elementtree_XMLParser_doctype(XMLParserObject *self, PyObject **args, Py_ssize_t nargs); |
Serhiy Storchaka | 4a01cab | 2015-06-29 23:08:52 +0300 | [diff] [blame] | 2781 | static PyObject * |
| 2782 | _elementtree_XMLParser_doctype_impl(XMLParserObject *self, PyObject *name, |
| 2783 | PyObject *pubid, PyObject *system); |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 2784 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2785 | /* helpers */ |
| 2786 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2787 | LOCAL(PyObject*) |
| 2788 | makeuniversal(XMLParserObject* self, const char* string) |
| 2789 | { |
| 2790 | /* convert a UTF-8 tag/attribute name from the expat parser |
| 2791 | to a universal name string */ |
| 2792 | |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 2793 | Py_ssize_t size = (Py_ssize_t) strlen(string); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2794 | PyObject* key; |
| 2795 | PyObject* value; |
| 2796 | |
| 2797 | /* look the 'raw' name up in the names dictionary */ |
Christian Heimes | 72b710a | 2008-05-26 13:28:38 +0000 | [diff] [blame] | 2798 | key = PyBytes_FromStringAndSize(string, size); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2799 | if (!key) |
| 2800 | return NULL; |
| 2801 | |
| 2802 | value = PyDict_GetItem(self->names, key); |
| 2803 | |
| 2804 | if (value) { |
| 2805 | Py_INCREF(value); |
| 2806 | } else { |
| 2807 | /* new name. convert to universal name, and decode as |
| 2808 | necessary */ |
| 2809 | |
| 2810 | PyObject* tag; |
| 2811 | char* p; |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 2812 | Py_ssize_t i; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2813 | |
| 2814 | /* look for namespace separator */ |
| 2815 | for (i = 0; i < size; i++) |
| 2816 | if (string[i] == '}') |
| 2817 | break; |
| 2818 | if (i != size) { |
| 2819 | /* convert to universal name */ |
Christian Heimes | 72b710a | 2008-05-26 13:28:38 +0000 | [diff] [blame] | 2820 | tag = PyBytes_FromStringAndSize(NULL, size+1); |
Victor Stinner | 71c8b7e | 2013-07-11 23:08:39 +0200 | [diff] [blame] | 2821 | if (tag == NULL) { |
| 2822 | Py_DECREF(key); |
| 2823 | return NULL; |
| 2824 | } |
Christian Heimes | 72b710a | 2008-05-26 13:28:38 +0000 | [diff] [blame] | 2825 | p = PyBytes_AS_STRING(tag); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2826 | p[0] = '{'; |
| 2827 | memcpy(p+1, string, size); |
| 2828 | size++; |
| 2829 | } else { |
| 2830 | /* plain name; use key as tag */ |
| 2831 | Py_INCREF(key); |
| 2832 | tag = key; |
| 2833 | } |
Victor Stinner | bfc7bf0 | 2011-03-21 13:23:42 +0100 | [diff] [blame] | 2834 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2835 | /* decode universal name */ |
Christian Heimes | 72b710a | 2008-05-26 13:28:38 +0000 | [diff] [blame] | 2836 | p = PyBytes_AS_STRING(tag); |
Neal Norwitz | 0269b91 | 2007-08-08 06:56:02 +0000 | [diff] [blame] | 2837 | value = PyUnicode_DecodeUTF8(p, size, "strict"); |
| 2838 | Py_DECREF(tag); |
| 2839 | if (!value) { |
| 2840 | Py_DECREF(key); |
| 2841 | return NULL; |
| 2842 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2843 | |
| 2844 | /* add to names dictionary */ |
| 2845 | if (PyDict_SetItem(self->names, key, value) < 0) { |
| 2846 | Py_DECREF(key); |
| 2847 | Py_DECREF(value); |
| 2848 | return NULL; |
| 2849 | } |
| 2850 | } |
| 2851 | |
| 2852 | Py_DECREF(key); |
| 2853 | return value; |
| 2854 | } |
| 2855 | |
Eli Bendersky | 5b77d81 | 2012-03-16 08:20:05 +0200 | [diff] [blame] | 2856 | /* Set the ParseError exception with the given parameters. |
| 2857 | * If message is not NULL, it's used as the error string. Otherwise, the |
| 2858 | * message string is the default for the given error_code. |
| 2859 | */ |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2860 | static void |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 2861 | expat_set_error(enum XML_Error error_code, Py_ssize_t line, Py_ssize_t column, |
| 2862 | const char *message) |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2863 | { |
Eli Bendersky | 5b77d81 | 2012-03-16 08:20:05 +0200 | [diff] [blame] | 2864 | PyObject *errmsg, *error, *position, *code; |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 2865 | elementtreestate *st = ET_STATE_GLOBAL; |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2866 | |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 2867 | errmsg = PyUnicode_FromFormat("%s: line %zd, column %zd", |
Eli Bendersky | 5b77d81 | 2012-03-16 08:20:05 +0200 | [diff] [blame] | 2868 | message ? message : EXPAT(ErrorString)(error_code), |
| 2869 | line, column); |
Victor Stinner | 499dfcf | 2011-03-21 13:26:24 +0100 | [diff] [blame] | 2870 | if (errmsg == NULL) |
| 2871 | return; |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2872 | |
Victor Stinner | 7bfb42d | 2016-12-05 17:04:32 +0100 | [diff] [blame] | 2873 | error = PyObject_CallFunctionObjArgs(st->parseerror_obj, errmsg, NULL); |
Victor Stinner | 499dfcf | 2011-03-21 13:26:24 +0100 | [diff] [blame] | 2874 | Py_DECREF(errmsg); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2875 | if (!error) |
| 2876 | return; |
| 2877 | |
Eli Bendersky | 5b77d81 | 2012-03-16 08:20:05 +0200 | [diff] [blame] | 2878 | /* Add code and position attributes */ |
| 2879 | code = PyLong_FromLong((long)error_code); |
| 2880 | if (!code) { |
| 2881 | Py_DECREF(error); |
| 2882 | return; |
| 2883 | } |
| 2884 | if (PyObject_SetAttrString(error, "code", code) == -1) { |
| 2885 | Py_DECREF(error); |
| 2886 | Py_DECREF(code); |
| 2887 | return; |
| 2888 | } |
| 2889 | Py_DECREF(code); |
| 2890 | |
Serhiy Storchaka | 26861b0 | 2015-02-16 20:52:17 +0200 | [diff] [blame] | 2891 | position = Py_BuildValue("(nn)", line, column); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2892 | if (!position) { |
| 2893 | Py_DECREF(error); |
| 2894 | return; |
| 2895 | } |
| 2896 | if (PyObject_SetAttrString(error, "position", position) == -1) { |
| 2897 | Py_DECREF(error); |
| 2898 | Py_DECREF(position); |
| 2899 | return; |
| 2900 | } |
| 2901 | Py_DECREF(position); |
| 2902 | |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 2903 | PyErr_SetObject(st->parseerror_obj, error); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2904 | Py_DECREF(error); |
| 2905 | } |
| 2906 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2907 | /* -------------------------------------------------------------------- */ |
| 2908 | /* handlers */ |
| 2909 | |
| 2910 | static void |
| 2911 | expat_default_handler(XMLParserObject* self, const XML_Char* data_in, |
| 2912 | int data_len) |
| 2913 | { |
| 2914 | PyObject* key; |
| 2915 | PyObject* value; |
| 2916 | PyObject* res; |
| 2917 | |
| 2918 | if (data_len < 2 || data_in[0] != '&') |
| 2919 | return; |
| 2920 | |
Victor Stinner | 3fd8cbd | 2013-07-18 22:46:14 +0200 | [diff] [blame] | 2921 | if (PyErr_Occurred()) |
| 2922 | return; |
| 2923 | |
Neal Norwitz | 0269b91 | 2007-08-08 06:56:02 +0000 | [diff] [blame] | 2924 | key = PyUnicode_DecodeUTF8(data_in + 1, data_len - 2, "strict"); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2925 | if (!key) |
| 2926 | return; |
| 2927 | |
| 2928 | value = PyDict_GetItem(self->entity, key); |
| 2929 | |
| 2930 | if (value) { |
| 2931 | if (TreeBuilder_CheckExact(self->target)) |
| 2932 | res = treebuilder_handle_data( |
| 2933 | (TreeBuilderObject*) self->target, value |
| 2934 | ); |
| 2935 | else if (self->handle_data) |
Victor Stinner | 7bfb42d | 2016-12-05 17:04:32 +0100 | [diff] [blame] | 2936 | res = PyObject_CallFunctionObjArgs(self->handle_data, value, NULL); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2937 | else |
| 2938 | res = NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2939 | Py_XDECREF(res); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2940 | } else if (!PyErr_Occurred()) { |
| 2941 | /* Report the first error, not the last */ |
Alexander Belopolsky | e239d23 | 2010-12-08 23:31:48 +0000 | [diff] [blame] | 2942 | char message[128] = "undefined entity "; |
| 2943 | strncat(message, data_in, data_len < 100?data_len:100); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 2944 | expat_set_error( |
Eli Bendersky | 5b77d81 | 2012-03-16 08:20:05 +0200 | [diff] [blame] | 2945 | XML_ERROR_UNDEFINED_ENTITY, |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2946 | EXPAT(GetErrorLineNumber)(self->parser), |
Eli Bendersky | 5b77d81 | 2012-03-16 08:20:05 +0200 | [diff] [blame] | 2947 | EXPAT(GetErrorColumnNumber)(self->parser), |
| 2948 | message |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2949 | ); |
| 2950 | } |
| 2951 | |
| 2952 | Py_DECREF(key); |
| 2953 | } |
| 2954 | |
| 2955 | static void |
| 2956 | expat_start_handler(XMLParserObject* self, const XML_Char* tag_in, |
| 2957 | const XML_Char **attrib_in) |
| 2958 | { |
| 2959 | PyObject* res; |
| 2960 | PyObject* tag; |
| 2961 | PyObject* attrib; |
| 2962 | int ok; |
| 2963 | |
Victor Stinner | 3fd8cbd | 2013-07-18 22:46:14 +0200 | [diff] [blame] | 2964 | if (PyErr_Occurred()) |
| 2965 | return; |
| 2966 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2967 | /* tag name */ |
| 2968 | tag = makeuniversal(self, tag_in); |
| 2969 | if (!tag) |
| 2970 | return; /* parser will look for errors */ |
| 2971 | |
| 2972 | /* attributes */ |
| 2973 | if (attrib_in[0]) { |
| 2974 | attrib = PyDict_New(); |
Serhiy Storchaka | a29eb08 | 2015-12-09 19:44:30 +0200 | [diff] [blame] | 2975 | if (!attrib) { |
| 2976 | Py_DECREF(tag); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2977 | return; |
Serhiy Storchaka | a29eb08 | 2015-12-09 19:44:30 +0200 | [diff] [blame] | 2978 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2979 | while (attrib_in[0] && attrib_in[1]) { |
| 2980 | PyObject* key = makeuniversal(self, attrib_in[0]); |
Neal Norwitz | 0269b91 | 2007-08-08 06:56:02 +0000 | [diff] [blame] | 2981 | PyObject* value = PyUnicode_DecodeUTF8(attrib_in[1], strlen(attrib_in[1]), "strict"); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2982 | if (!key || !value) { |
| 2983 | Py_XDECREF(value); |
| 2984 | Py_XDECREF(key); |
| 2985 | Py_DECREF(attrib); |
Serhiy Storchaka | a29eb08 | 2015-12-09 19:44:30 +0200 | [diff] [blame] | 2986 | Py_DECREF(tag); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2987 | return; |
| 2988 | } |
| 2989 | ok = PyDict_SetItem(attrib, key, value); |
| 2990 | Py_DECREF(value); |
| 2991 | Py_DECREF(key); |
| 2992 | if (ok < 0) { |
| 2993 | Py_DECREF(attrib); |
Serhiy Storchaka | a29eb08 | 2015-12-09 19:44:30 +0200 | [diff] [blame] | 2994 | Py_DECREF(tag); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 2995 | return; |
| 2996 | } |
| 2997 | attrib_in += 2; |
| 2998 | } |
| 2999 | } else { |
Serhiy Storchaka | 36ff997 | 2015-12-10 09:51:53 +0200 | [diff] [blame] | 3000 | Py_INCREF(Py_None); |
| 3001 | attrib = Py_None; |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 3002 | } |
| 3003 | |
| 3004 | if (TreeBuilder_CheckExact(self->target)) { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3005 | /* shortcut */ |
| 3006 | res = treebuilder_handle_start((TreeBuilderObject*) self->target, |
| 3007 | tag, attrib); |
Eli Bendersky | 48d358b | 2012-05-30 17:57:50 +0300 | [diff] [blame] | 3008 | } |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 3009 | else if (self->handle_start) { |
Serhiy Storchaka | 36ff997 | 2015-12-10 09:51:53 +0200 | [diff] [blame] | 3010 | if (attrib == Py_None) { |
| 3011 | Py_DECREF(attrib); |
| 3012 | attrib = PyDict_New(); |
| 3013 | if (!attrib) { |
| 3014 | Py_DECREF(tag); |
| 3015 | return; |
| 3016 | } |
| 3017 | } |
Victor Stinner | 5abaa2b | 2016-12-09 16:22:32 +0100 | [diff] [blame] | 3018 | res = PyObject_CallFunctionObjArgs(self->handle_start, |
| 3019 | tag, attrib, NULL); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 3020 | } else |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3021 | res = NULL; |
| 3022 | |
| 3023 | Py_DECREF(tag); |
| 3024 | Py_DECREF(attrib); |
| 3025 | |
| 3026 | Py_XDECREF(res); |
| 3027 | } |
| 3028 | |
| 3029 | static void |
| 3030 | expat_data_handler(XMLParserObject* self, const XML_Char* data_in, |
| 3031 | int data_len) |
| 3032 | { |
| 3033 | PyObject* data; |
| 3034 | PyObject* res; |
| 3035 | |
Victor Stinner | 3fd8cbd | 2013-07-18 22:46:14 +0200 | [diff] [blame] | 3036 | if (PyErr_Occurred()) |
| 3037 | return; |
| 3038 | |
Neal Norwitz | 0269b91 | 2007-08-08 06:56:02 +0000 | [diff] [blame] | 3039 | data = PyUnicode_DecodeUTF8(data_in, data_len, "strict"); |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 3040 | if (!data) |
| 3041 | return; /* parser will look for errors */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3042 | |
| 3043 | if (TreeBuilder_CheckExact(self->target)) |
| 3044 | /* shortcut */ |
| 3045 | res = treebuilder_handle_data((TreeBuilderObject*) self->target, data); |
| 3046 | else if (self->handle_data) |
Victor Stinner | 7bfb42d | 2016-12-05 17:04:32 +0100 | [diff] [blame] | 3047 | res = PyObject_CallFunctionObjArgs(self->handle_data, data, NULL); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3048 | else |
| 3049 | res = NULL; |
| 3050 | |
| 3051 | Py_DECREF(data); |
| 3052 | |
| 3053 | Py_XDECREF(res); |
| 3054 | } |
| 3055 | |
| 3056 | static void |
| 3057 | expat_end_handler(XMLParserObject* self, const XML_Char* tag_in) |
| 3058 | { |
| 3059 | PyObject* tag; |
| 3060 | PyObject* res = NULL; |
| 3061 | |
Victor Stinner | 3fd8cbd | 2013-07-18 22:46:14 +0200 | [diff] [blame] | 3062 | if (PyErr_Occurred()) |
| 3063 | return; |
| 3064 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3065 | if (TreeBuilder_CheckExact(self->target)) |
| 3066 | /* shortcut */ |
| 3067 | /* the standard tree builder doesn't look at the end tag */ |
| 3068 | res = treebuilder_handle_end( |
| 3069 | (TreeBuilderObject*) self->target, Py_None |
| 3070 | ); |
| 3071 | else if (self->handle_end) { |
| 3072 | tag = makeuniversal(self, tag_in); |
| 3073 | if (tag) { |
Victor Stinner | 7bfb42d | 2016-12-05 17:04:32 +0100 | [diff] [blame] | 3074 | res = PyObject_CallFunctionObjArgs(self->handle_end, tag, NULL); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3075 | Py_DECREF(tag); |
| 3076 | } |
| 3077 | } |
| 3078 | |
| 3079 | Py_XDECREF(res); |
| 3080 | } |
| 3081 | |
| 3082 | static void |
| 3083 | expat_start_ns_handler(XMLParserObject* self, const XML_Char* prefix, |
| 3084 | const XML_Char *uri) |
| 3085 | { |
Serhiy Storchaka | 7efaf95 | 2015-12-06 23:51:44 +0200 | [diff] [blame] | 3086 | TreeBuilderObject *target = (TreeBuilderObject*) self->target; |
| 3087 | PyObject *parcel; |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 3088 | |
Victor Stinner | 3fd8cbd | 2013-07-18 22:46:14 +0200 | [diff] [blame] | 3089 | if (PyErr_Occurred()) |
| 3090 | return; |
| 3091 | |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 3092 | if (!target->events_append || !target->start_ns_event_obj) |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 3093 | return; |
| 3094 | |
Serhiy Storchaka | 7efaf95 | 2015-12-06 23:51:44 +0200 | [diff] [blame] | 3095 | if (!uri) |
| 3096 | uri = ""; |
| 3097 | if (!prefix) |
| 3098 | prefix = ""; |
| 3099 | |
| 3100 | parcel = Py_BuildValue("ss", prefix, uri); |
| 3101 | if (!parcel) |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 3102 | return; |
Serhiy Storchaka | 7efaf95 | 2015-12-06 23:51:44 +0200 | [diff] [blame] | 3103 | treebuilder_append_event(target, target->start_ns_event_obj, parcel); |
| 3104 | Py_DECREF(parcel); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3105 | } |
| 3106 | |
| 3107 | static void |
| 3108 | expat_end_ns_handler(XMLParserObject* self, const XML_Char* prefix_in) |
| 3109 | { |
Serhiy Storchaka | 7efaf95 | 2015-12-06 23:51:44 +0200 | [diff] [blame] | 3110 | TreeBuilderObject *target = (TreeBuilderObject*) self->target; |
| 3111 | |
Victor Stinner | 3fd8cbd | 2013-07-18 22:46:14 +0200 | [diff] [blame] | 3112 | if (PyErr_Occurred()) |
| 3113 | return; |
| 3114 | |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 3115 | if (!target->events_append) |
Serhiy Storchaka | 7efaf95 | 2015-12-06 23:51:44 +0200 | [diff] [blame] | 3116 | return; |
| 3117 | |
| 3118 | treebuilder_append_event(target, target->end_ns_event_obj, Py_None); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3119 | } |
| 3120 | |
| 3121 | static void |
| 3122 | expat_comment_handler(XMLParserObject* self, const XML_Char* comment_in) |
| 3123 | { |
| 3124 | PyObject* comment; |
| 3125 | PyObject* res; |
| 3126 | |
Victor Stinner | 3fd8cbd | 2013-07-18 22:46:14 +0200 | [diff] [blame] | 3127 | if (PyErr_Occurred()) |
| 3128 | return; |
| 3129 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3130 | if (self->handle_comment) { |
Neal Norwitz | 0269b91 | 2007-08-08 06:56:02 +0000 | [diff] [blame] | 3131 | comment = PyUnicode_DecodeUTF8(comment_in, strlen(comment_in), "strict"); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3132 | if (comment) { |
Victor Stinner | 7bfb42d | 2016-12-05 17:04:32 +0100 | [diff] [blame] | 3133 | res = PyObject_CallFunctionObjArgs(self->handle_comment, |
| 3134 | comment, NULL); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3135 | Py_XDECREF(res); |
| 3136 | Py_DECREF(comment); |
| 3137 | } |
| 3138 | } |
| 3139 | } |
| 3140 | |
Eli Bendersky | 4583990 | 2013-01-13 05:14:47 -0800 | [diff] [blame] | 3141 | static void |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 3142 | expat_start_doctype_handler(XMLParserObject *self, |
| 3143 | const XML_Char *doctype_name, |
| 3144 | const XML_Char *sysid, |
| 3145 | const XML_Char *pubid, |
| 3146 | int has_internal_subset) |
| 3147 | { |
| 3148 | PyObject *self_pyobj = (PyObject *)self; |
| 3149 | PyObject *doctype_name_obj, *sysid_obj, *pubid_obj; |
| 3150 | PyObject *parser_doctype = NULL; |
| 3151 | PyObject *res = NULL; |
| 3152 | |
Victor Stinner | 3fd8cbd | 2013-07-18 22:46:14 +0200 | [diff] [blame] | 3153 | if (PyErr_Occurred()) |
| 3154 | return; |
| 3155 | |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 3156 | doctype_name_obj = makeuniversal(self, doctype_name); |
| 3157 | if (!doctype_name_obj) |
| 3158 | return; |
| 3159 | |
| 3160 | if (sysid) { |
| 3161 | sysid_obj = makeuniversal(self, sysid); |
| 3162 | if (!sysid_obj) { |
| 3163 | Py_DECREF(doctype_name_obj); |
| 3164 | return; |
| 3165 | } |
| 3166 | } else { |
| 3167 | Py_INCREF(Py_None); |
| 3168 | sysid_obj = Py_None; |
| 3169 | } |
| 3170 | |
| 3171 | if (pubid) { |
| 3172 | pubid_obj = makeuniversal(self, pubid); |
| 3173 | if (!pubid_obj) { |
| 3174 | Py_DECREF(doctype_name_obj); |
| 3175 | Py_DECREF(sysid_obj); |
| 3176 | return; |
| 3177 | } |
| 3178 | } else { |
| 3179 | Py_INCREF(Py_None); |
| 3180 | pubid_obj = Py_None; |
| 3181 | } |
| 3182 | |
| 3183 | /* If the target has a handler for doctype, call it. */ |
| 3184 | if (self->handle_doctype) { |
Victor Stinner | 5abaa2b | 2016-12-09 16:22:32 +0100 | [diff] [blame] | 3185 | res = PyObject_CallFunctionObjArgs(self->handle_doctype, |
| 3186 | doctype_name_obj, pubid_obj, |
| 3187 | sysid_obj, NULL); |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 3188 | Py_CLEAR(res); |
| 3189 | } |
Serhiy Storchaka | 05744ac | 2015-06-29 22:35:58 +0300 | [diff] [blame] | 3190 | else { |
| 3191 | /* Now see if the parser itself has a doctype method. If yes and it's |
| 3192 | * a custom method, call it but warn about deprecation. If it's only |
| 3193 | * the vanilla XMLParser method, do nothing. |
| 3194 | */ |
| 3195 | parser_doctype = PyObject_GetAttrString(self_pyobj, "doctype"); |
| 3196 | if (parser_doctype && |
| 3197 | !(PyCFunction_Check(parser_doctype) && |
| 3198 | PyCFunction_GET_SELF(parser_doctype) == self_pyobj && |
| 3199 | PyCFunction_GET_FUNCTION(parser_doctype) == |
Serhiy Storchaka | 4a01cab | 2015-06-29 23:08:52 +0300 | [diff] [blame] | 3200 | (PyCFunction) _elementtree_XMLParser_doctype)) { |
| 3201 | res = _elementtree_XMLParser_doctype_impl(self, doctype_name_obj, |
| 3202 | pubid_obj, sysid_obj); |
Serhiy Storchaka | 05744ac | 2015-06-29 22:35:58 +0300 | [diff] [blame] | 3203 | if (!res) |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 3204 | goto clear; |
Serhiy Storchaka | 05744ac | 2015-06-29 22:35:58 +0300 | [diff] [blame] | 3205 | Py_DECREF(res); |
Victor Stinner | 5abaa2b | 2016-12-09 16:22:32 +0100 | [diff] [blame] | 3206 | res = PyObject_CallFunctionObjArgs(parser_doctype, |
| 3207 | doctype_name_obj, pubid_obj, |
| 3208 | sysid_obj, NULL); |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 3209 | Py_CLEAR(res); |
| 3210 | } |
| 3211 | } |
| 3212 | |
| 3213 | clear: |
| 3214 | Py_XDECREF(parser_doctype); |
| 3215 | Py_DECREF(doctype_name_obj); |
| 3216 | Py_DECREF(pubid_obj); |
| 3217 | Py_DECREF(sysid_obj); |
| 3218 | } |
| 3219 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3220 | static void |
| 3221 | expat_pi_handler(XMLParserObject* self, const XML_Char* target_in, |
| 3222 | const XML_Char* data_in) |
| 3223 | { |
| 3224 | PyObject* target; |
| 3225 | PyObject* data; |
| 3226 | PyObject* res; |
| 3227 | |
Victor Stinner | 3fd8cbd | 2013-07-18 22:46:14 +0200 | [diff] [blame] | 3228 | if (PyErr_Occurred()) |
| 3229 | return; |
| 3230 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3231 | if (self->handle_pi) { |
Neal Norwitz | 0269b91 | 2007-08-08 06:56:02 +0000 | [diff] [blame] | 3232 | target = PyUnicode_DecodeUTF8(target_in, strlen(target_in), "strict"); |
| 3233 | data = PyUnicode_DecodeUTF8(data_in, strlen(data_in), "strict"); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3234 | if (target && data) { |
Victor Stinner | 5abaa2b | 2016-12-09 16:22:32 +0100 | [diff] [blame] | 3235 | res = PyObject_CallFunctionObjArgs(self->handle_pi, |
| 3236 | target, data, NULL); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3237 | Py_XDECREF(res); |
| 3238 | Py_DECREF(data); |
| 3239 | Py_DECREF(target); |
| 3240 | } else { |
| 3241 | Py_XDECREF(data); |
| 3242 | Py_XDECREF(target); |
| 3243 | } |
| 3244 | } |
| 3245 | } |
| 3246 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3247 | /* -------------------------------------------------------------------- */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3248 | |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3249 | static PyObject * |
| 3250 | xmlparser_new(PyTypeObject *type, PyObject *args, PyObject *kwds) |
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 | XMLParserObject *self = (XMLParserObject *)type->tp_alloc(type, 0); |
| 3253 | if (self) { |
| 3254 | self->parser = NULL; |
| 3255 | self->target = self->entity = self->names = NULL; |
| 3256 | self->handle_start = self->handle_data = self->handle_end = NULL; |
| 3257 | self->handle_comment = self->handle_pi = self->handle_close = NULL; |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 3258 | self->handle_doctype = NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3259 | } |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3260 | return (PyObject *)self; |
| 3261 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3262 | |
scoder | c8d8e15 | 2017-09-14 22:00:03 +0200 | [diff] [blame] | 3263 | static int |
| 3264 | ignore_attribute_error(PyObject *value) |
| 3265 | { |
| 3266 | if (value == NULL) { |
| 3267 | if (!PyErr_ExceptionMatches(PyExc_AttributeError)) { |
| 3268 | return -1; |
| 3269 | } |
| 3270 | PyErr_Clear(); |
| 3271 | } |
| 3272 | return 0; |
| 3273 | } |
| 3274 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3275 | /*[clinic input] |
| 3276 | _elementtree.XMLParser.__init__ |
| 3277 | |
| 3278 | html: object = NULL |
| 3279 | target: object = NULL |
Larry Hastings | dbfdc38 | 2015-05-04 06:59:46 -0700 | [diff] [blame] | 3280 | encoding: str(accept={str, NoneType}) = NULL |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3281 | |
| 3282 | [clinic start generated code]*/ |
| 3283 | |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3284 | static int |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3285 | _elementtree_XMLParser___init___impl(XMLParserObject *self, PyObject *html, |
| 3286 | PyObject *target, const char *encoding) |
Larry Hastings | dbfdc38 | 2015-05-04 06:59:46 -0700 | [diff] [blame] | 3287 | /*[clinic end generated code: output=d6a16c63dda54441 input=155bc5695baafffd]*/ |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3288 | { |
Serhiy Storchaka | 762ec97 | 2017-03-30 18:12:06 +0300 | [diff] [blame] | 3289 | if (html != NULL) { |
| 3290 | if (PyErr_WarnEx(PyExc_DeprecationWarning, |
| 3291 | "The html argument of XMLParser() is deprecated", |
| 3292 | 1) < 0) { |
| 3293 | return -1; |
| 3294 | } |
| 3295 | } |
| 3296 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3297 | self->entity = PyDict_New(); |
| 3298 | if (!self->entity) |
| 3299 | return -1; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3300 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3301 | self->names = PyDict_New(); |
| 3302 | if (!self->names) { |
| 3303 | Py_CLEAR(self->entity); |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3304 | return -1; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3305 | } |
Victor Stinner | bfc7bf0 | 2011-03-21 13:23:42 +0100 | [diff] [blame] | 3306 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3307 | self->parser = EXPAT(ParserCreate_MM)(encoding, &ExpatMemoryHandler, "}"); |
| 3308 | if (!self->parser) { |
| 3309 | Py_CLEAR(self->entity); |
| 3310 | Py_CLEAR(self->names); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3311 | PyErr_NoMemory(); |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3312 | return -1; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3313 | } |
| 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] |
| 3625 | _elementtree.XMLParser.doctype |
| 3626 | |
Serhiy Storchaka | 4a01cab | 2015-06-29 23:08:52 +0300 | [diff] [blame] | 3627 | name: object |
| 3628 | pubid: object |
| 3629 | system: object |
| 3630 | / |
| 3631 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3632 | [clinic start generated code]*/ |
| 3633 | |
| 3634 | static PyObject * |
Serhiy Storchaka | 4a01cab | 2015-06-29 23:08:52 +0300 | [diff] [blame] | 3635 | _elementtree_XMLParser_doctype_impl(XMLParserObject *self, PyObject *name, |
| 3636 | PyObject *pubid, PyObject *system) |
| 3637 | /*[clinic end generated code: output=10fb50c2afded88d input=84050276cca045e1]*/ |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 3638 | { |
Serhiy Storchaka | 05744ac | 2015-06-29 22:35:58 +0300 | [diff] [blame] | 3639 | if (PyErr_WarnEx(PyExc_DeprecationWarning, |
| 3640 | "This method of XMLParser is deprecated. Define" |
| 3641 | " doctype() method on the TreeBuilder target.", |
| 3642 | 1) < 0) { |
| 3643 | return NULL; |
| 3644 | } |
Eli Bendersky | 2b6b73e | 2012-06-01 11:32:34 +0300 | [diff] [blame] | 3645 | Py_RETURN_NONE; |
| 3646 | } |
| 3647 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3648 | /*[clinic input] |
| 3649 | _elementtree.XMLParser._setevents |
| 3650 | |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 3651 | events_queue: object |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3652 | events_to_report: object = None |
| 3653 | / |
| 3654 | |
| 3655 | [clinic start generated code]*/ |
| 3656 | |
| 3657 | static PyObject * |
| 3658 | _elementtree_XMLParser__setevents_impl(XMLParserObject *self, |
| 3659 | PyObject *events_queue, |
| 3660 | PyObject *events_to_report) |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 3661 | /*[clinic end generated code: output=1440092922b13ed1 input=abf90830a1c3b0fc]*/ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3662 | { |
| 3663 | /* activate element event reporting */ |
Serhiy Storchaka | bc4ded95 | 2015-12-24 11:51:57 +0200 | [diff] [blame] | 3664 | Py_ssize_t i; |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3665 | TreeBuilderObject *target; |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 3666 | PyObject *events_append, *events_seq; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3667 | |
| 3668 | if (!TreeBuilder_CheckExact(self->target)) { |
| 3669 | PyErr_SetString( |
| 3670 | PyExc_TypeError, |
Florent Xicluna | a72a98f | 2012-02-13 11:03:30 +0100 | [diff] [blame] | 3671 | "event handling only supported for ElementTree.TreeBuilder " |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3672 | "targets" |
| 3673 | ); |
| 3674 | return NULL; |
| 3675 | } |
| 3676 | |
| 3677 | target = (TreeBuilderObject*) self->target; |
| 3678 | |
Serhiy Storchaka | 9ec5e25 | 2015-12-07 02:31:11 +0200 | [diff] [blame] | 3679 | events_append = PyObject_GetAttrString(events_queue, "append"); |
| 3680 | if (events_append == NULL) |
| 3681 | return NULL; |
Serhiy Storchaka | ec39756 | 2016-04-06 09:50:03 +0300 | [diff] [blame] | 3682 | Py_XSETREF(target->events_append, events_append); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3683 | |
| 3684 | /* clear out existing events */ |
Antoine Pitrou | c194884 | 2012-10-01 23:40:37 +0200 | [diff] [blame] | 3685 | Py_CLEAR(target->start_event_obj); |
| 3686 | Py_CLEAR(target->end_event_obj); |
| 3687 | Py_CLEAR(target->start_ns_event_obj); |
| 3688 | Py_CLEAR(target->end_ns_event_obj); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3689 | |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3690 | if (events_to_report == Py_None) { |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3691 | /* default is "end" only */ |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 3692 | target->end_event_obj = PyUnicode_FromString("end"); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3693 | Py_RETURN_NONE; |
| 3694 | } |
| 3695 | |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3696 | if (!(events_seq = PySequence_Fast(events_to_report, |
| 3697 | "events must be a sequence"))) { |
| 3698 | return NULL; |
| 3699 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3700 | |
Serhiy Storchaka | bf623ae | 2017-04-19 20:03:52 +0300 | [diff] [blame] | 3701 | for (i = 0; i < PySequence_Fast_GET_SIZE(events_seq); ++i) { |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3702 | PyObject *event_name_obj = PySequence_Fast_GET_ITEM(events_seq, i); |
Serhiy Storchaka | 85b0f5b | 2016-11-20 10:16:47 +0200 | [diff] [blame] | 3703 | const char *event_name = NULL; |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3704 | if (PyUnicode_Check(event_name_obj)) { |
Serhiy Storchaka | bc4ded95 | 2015-12-24 11:51:57 +0200 | [diff] [blame] | 3705 | event_name = PyUnicode_AsUTF8(event_name_obj); |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3706 | } else if (PyBytes_Check(event_name_obj)) { |
| 3707 | event_name = PyBytes_AS_STRING(event_name_obj); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 3708 | } |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3709 | if (event_name == NULL) { |
| 3710 | Py_DECREF(events_seq); |
| 3711 | PyErr_Format(PyExc_ValueError, "invalid events sequence"); |
| 3712 | return NULL; |
Serhiy Storchaka | bc4ded95 | 2015-12-24 11:51:57 +0200 | [diff] [blame] | 3713 | } |
| 3714 | |
| 3715 | Py_INCREF(event_name_obj); |
| 3716 | if (strcmp(event_name, "start") == 0) { |
Serhiy Storchaka | 4884271 | 2016-04-06 09:45:48 +0300 | [diff] [blame] | 3717 | Py_XSETREF(target->start_event_obj, event_name_obj); |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3718 | } else if (strcmp(event_name, "end") == 0) { |
Serhiy Storchaka | 4884271 | 2016-04-06 09:45:48 +0300 | [diff] [blame] | 3719 | Py_XSETREF(target->end_event_obj, event_name_obj); |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3720 | } else if (strcmp(event_name, "start-ns") == 0) { |
Serhiy Storchaka | 4884271 | 2016-04-06 09:45:48 +0300 | [diff] [blame] | 3721 | Py_XSETREF(target->start_ns_event_obj, event_name_obj); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3722 | EXPAT(SetNamespaceDeclHandler)( |
| 3723 | self->parser, |
| 3724 | (XML_StartNamespaceDeclHandler) expat_start_ns_handler, |
| 3725 | (XML_EndNamespaceDeclHandler) expat_end_ns_handler |
| 3726 | ); |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3727 | } else if (strcmp(event_name, "end-ns") == 0) { |
Serhiy Storchaka | 4884271 | 2016-04-06 09:45:48 +0300 | [diff] [blame] | 3728 | Py_XSETREF(target->end_ns_event_obj, event_name_obj); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3729 | EXPAT(SetNamespaceDeclHandler)( |
| 3730 | self->parser, |
| 3731 | (XML_StartNamespaceDeclHandler) expat_start_ns_handler, |
| 3732 | (XML_EndNamespaceDeclHandler) expat_end_ns_handler |
| 3733 | ); |
| 3734 | } else { |
Serhiy Storchaka | bc4ded95 | 2015-12-24 11:51:57 +0200 | [diff] [blame] | 3735 | Py_DECREF(event_name_obj); |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3736 | Py_DECREF(events_seq); |
| 3737 | PyErr_Format(PyExc_ValueError, "unknown event '%s'", event_name); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3738 | return NULL; |
| 3739 | } |
| 3740 | } |
| 3741 | |
Eli Bendersky | 3a4fbd8 | 2013-05-19 09:01:49 -0700 | [diff] [blame] | 3742 | Py_DECREF(events_seq); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3743 | Py_RETURN_NONE; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3744 | } |
| 3745 | |
Victor Stinner | bfc7bf0 | 2011-03-21 13:23:42 +0100 | [diff] [blame] | 3746 | static PyObject* |
Amaury Forgeot d'Arc | ba4105c | 2008-07-02 21:41:01 +0000 | [diff] [blame] | 3747 | xmlparser_getattro(XMLParserObject* self, PyObject* nameobj) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3748 | { |
Alexander Belopolsky | e239d23 | 2010-12-08 23:31:48 +0000 | [diff] [blame] | 3749 | if (PyUnicode_Check(nameobj)) { |
| 3750 | PyObject* res; |
Serhiy Storchaka | f4934ea | 2016-11-16 10:17:58 +0200 | [diff] [blame] | 3751 | if (_PyUnicode_EqualToASCIIString(nameobj, "entity")) |
Alexander Belopolsky | e239d23 | 2010-12-08 23:31:48 +0000 | [diff] [blame] | 3752 | res = self->entity; |
Serhiy Storchaka | f4934ea | 2016-11-16 10:17:58 +0200 | [diff] [blame] | 3753 | else if (_PyUnicode_EqualToASCIIString(nameobj, "target")) |
Alexander Belopolsky | e239d23 | 2010-12-08 23:31:48 +0000 | [diff] [blame] | 3754 | res = self->target; |
Serhiy Storchaka | f4934ea | 2016-11-16 10:17:58 +0200 | [diff] [blame] | 3755 | else if (_PyUnicode_EqualToASCIIString(nameobj, "version")) { |
Alexander Belopolsky | e239d23 | 2010-12-08 23:31:48 +0000 | [diff] [blame] | 3756 | return PyUnicode_FromFormat( |
| 3757 | "Expat %d.%d.%d", XML_MAJOR_VERSION, |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3758 | XML_MINOR_VERSION, XML_MICRO_VERSION); |
Alexander Belopolsky | e239d23 | 2010-12-08 23:31:48 +0000 | [diff] [blame] | 3759 | } |
| 3760 | else |
| 3761 | goto generic; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3762 | |
Alexander Belopolsky | e239d23 | 2010-12-08 23:31:48 +0000 | [diff] [blame] | 3763 | Py_INCREF(res); |
| 3764 | return res; |
| 3765 | } |
| 3766 | generic: |
| 3767 | return PyObject_GenericGetAttr((PyObject*) self, nameobj); |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3768 | } |
| 3769 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3770 | #include "clinic/_elementtree.c.h" |
| 3771 | |
| 3772 | static PyMethodDef element_methods[] = { |
| 3773 | |
| 3774 | _ELEMENTTREE_ELEMENT_CLEAR_METHODDEF |
| 3775 | |
| 3776 | _ELEMENTTREE_ELEMENT_GET_METHODDEF |
| 3777 | _ELEMENTTREE_ELEMENT_SET_METHODDEF |
| 3778 | |
| 3779 | _ELEMENTTREE_ELEMENT_FIND_METHODDEF |
| 3780 | _ELEMENTTREE_ELEMENT_FINDTEXT_METHODDEF |
| 3781 | _ELEMENTTREE_ELEMENT_FINDALL_METHODDEF |
| 3782 | |
| 3783 | _ELEMENTTREE_ELEMENT_APPEND_METHODDEF |
| 3784 | _ELEMENTTREE_ELEMENT_EXTEND_METHODDEF |
| 3785 | _ELEMENTTREE_ELEMENT_INSERT_METHODDEF |
| 3786 | _ELEMENTTREE_ELEMENT_REMOVE_METHODDEF |
| 3787 | |
| 3788 | _ELEMENTTREE_ELEMENT_ITER_METHODDEF |
| 3789 | _ELEMENTTREE_ELEMENT_ITERTEXT_METHODDEF |
| 3790 | _ELEMENTTREE_ELEMENT_ITERFIND_METHODDEF |
| 3791 | |
Serhiy Storchaka | 762ec97 | 2017-03-30 18:12:06 +0300 | [diff] [blame] | 3792 | _ELEMENTTREE_ELEMENT_GETITERATOR_METHODDEF |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3793 | _ELEMENTTREE_ELEMENT_GETCHILDREN_METHODDEF |
| 3794 | |
| 3795 | _ELEMENTTREE_ELEMENT_ITEMS_METHODDEF |
| 3796 | _ELEMENTTREE_ELEMENT_KEYS_METHODDEF |
| 3797 | |
| 3798 | _ELEMENTTREE_ELEMENT_MAKEELEMENT_METHODDEF |
| 3799 | |
| 3800 | _ELEMENTTREE_ELEMENT___COPY___METHODDEF |
| 3801 | _ELEMENTTREE_ELEMENT___DEEPCOPY___METHODDEF |
| 3802 | _ELEMENTTREE_ELEMENT___SIZEOF___METHODDEF |
| 3803 | _ELEMENTTREE_ELEMENT___GETSTATE___METHODDEF |
| 3804 | _ELEMENTTREE_ELEMENT___SETSTATE___METHODDEF |
| 3805 | |
| 3806 | {NULL, NULL} |
| 3807 | }; |
| 3808 | |
| 3809 | static PyMappingMethods element_as_mapping = { |
| 3810 | (lenfunc) element_length, |
| 3811 | (binaryfunc) element_subscr, |
| 3812 | (objobjargproc) element_ass_subscr, |
| 3813 | }; |
| 3814 | |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 3815 | static PyGetSetDef element_getsetlist[] = { |
| 3816 | {"tag", |
| 3817 | (getter)element_tag_getter, |
| 3818 | (setter)element_tag_setter, |
| 3819 | "A string identifying what kind of data this element represents"}, |
| 3820 | {"text", |
| 3821 | (getter)element_text_getter, |
| 3822 | (setter)element_text_setter, |
| 3823 | "A string of text directly after the start tag, or None"}, |
| 3824 | {"tail", |
| 3825 | (getter)element_tail_getter, |
| 3826 | (setter)element_tail_setter, |
| 3827 | "A string of text directly after the end tag, or None"}, |
| 3828 | {"attrib", |
| 3829 | (getter)element_attrib_getter, |
| 3830 | (setter)element_attrib_setter, |
| 3831 | "A dictionary containing the element's attributes"}, |
| 3832 | {NULL}, |
| 3833 | }; |
| 3834 | |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3835 | static PyTypeObject Element_Type = { |
| 3836 | PyVarObject_HEAD_INIT(NULL, 0) |
| 3837 | "xml.etree.ElementTree.Element", sizeof(ElementObject), 0, |
| 3838 | /* methods */ |
| 3839 | (destructor)element_dealloc, /* tp_dealloc */ |
| 3840 | 0, /* tp_print */ |
| 3841 | 0, /* tp_getattr */ |
| 3842 | 0, /* tp_setattr */ |
| 3843 | 0, /* tp_reserved */ |
| 3844 | (reprfunc)element_repr, /* tp_repr */ |
| 3845 | 0, /* tp_as_number */ |
| 3846 | &element_as_sequence, /* tp_as_sequence */ |
| 3847 | &element_as_mapping, /* tp_as_mapping */ |
| 3848 | 0, /* tp_hash */ |
| 3849 | 0, /* tp_call */ |
| 3850 | 0, /* tp_str */ |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 3851 | PyObject_GenericGetAttr, /* tp_getattro */ |
| 3852 | 0, /* tp_setattro */ |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3853 | 0, /* tp_as_buffer */ |
| 3854 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC, |
| 3855 | /* tp_flags */ |
| 3856 | 0, /* tp_doc */ |
| 3857 | (traverseproc)element_gc_traverse, /* tp_traverse */ |
| 3858 | (inquiry)element_gc_clear, /* tp_clear */ |
| 3859 | 0, /* tp_richcompare */ |
| 3860 | offsetof(ElementObject, weakreflist), /* tp_weaklistoffset */ |
| 3861 | 0, /* tp_iter */ |
| 3862 | 0, /* tp_iternext */ |
| 3863 | element_methods, /* tp_methods */ |
| 3864 | 0, /* tp_members */ |
Serhiy Storchaka | dde0815 | 2015-11-25 15:28:13 +0200 | [diff] [blame] | 3865 | element_getsetlist, /* tp_getset */ |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3866 | 0, /* tp_base */ |
| 3867 | 0, /* tp_dict */ |
| 3868 | 0, /* tp_descr_get */ |
| 3869 | 0, /* tp_descr_set */ |
| 3870 | 0, /* tp_dictoffset */ |
| 3871 | (initproc)element_init, /* tp_init */ |
| 3872 | PyType_GenericAlloc, /* tp_alloc */ |
| 3873 | element_new, /* tp_new */ |
| 3874 | 0, /* tp_free */ |
| 3875 | }; |
| 3876 | |
| 3877 | static PyMethodDef treebuilder_methods[] = { |
| 3878 | _ELEMENTTREE_TREEBUILDER_DATA_METHODDEF |
| 3879 | _ELEMENTTREE_TREEBUILDER_START_METHODDEF |
| 3880 | _ELEMENTTREE_TREEBUILDER_END_METHODDEF |
| 3881 | _ELEMENTTREE_TREEBUILDER_CLOSE_METHODDEF |
| 3882 | {NULL, NULL} |
| 3883 | }; |
| 3884 | |
| 3885 | static PyTypeObject TreeBuilder_Type = { |
| 3886 | PyVarObject_HEAD_INIT(NULL, 0) |
| 3887 | "xml.etree.ElementTree.TreeBuilder", sizeof(TreeBuilderObject), 0, |
| 3888 | /* methods */ |
| 3889 | (destructor)treebuilder_dealloc, /* tp_dealloc */ |
| 3890 | 0, /* tp_print */ |
| 3891 | 0, /* tp_getattr */ |
| 3892 | 0, /* tp_setattr */ |
| 3893 | 0, /* tp_reserved */ |
| 3894 | 0, /* tp_repr */ |
| 3895 | 0, /* tp_as_number */ |
| 3896 | 0, /* tp_as_sequence */ |
| 3897 | 0, /* tp_as_mapping */ |
| 3898 | 0, /* tp_hash */ |
| 3899 | 0, /* tp_call */ |
| 3900 | 0, /* tp_str */ |
| 3901 | 0, /* tp_getattro */ |
| 3902 | 0, /* tp_setattro */ |
| 3903 | 0, /* tp_as_buffer */ |
| 3904 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC, |
| 3905 | /* tp_flags */ |
| 3906 | 0, /* tp_doc */ |
| 3907 | (traverseproc)treebuilder_gc_traverse, /* tp_traverse */ |
| 3908 | (inquiry)treebuilder_gc_clear, /* tp_clear */ |
| 3909 | 0, /* tp_richcompare */ |
| 3910 | 0, /* tp_weaklistoffset */ |
| 3911 | 0, /* tp_iter */ |
| 3912 | 0, /* tp_iternext */ |
| 3913 | treebuilder_methods, /* tp_methods */ |
| 3914 | 0, /* tp_members */ |
| 3915 | 0, /* tp_getset */ |
| 3916 | 0, /* tp_base */ |
| 3917 | 0, /* tp_dict */ |
| 3918 | 0, /* tp_descr_get */ |
| 3919 | 0, /* tp_descr_set */ |
| 3920 | 0, /* tp_dictoffset */ |
| 3921 | _elementtree_TreeBuilder___init__, /* tp_init */ |
| 3922 | PyType_GenericAlloc, /* tp_alloc */ |
| 3923 | treebuilder_new, /* tp_new */ |
| 3924 | 0, /* tp_free */ |
| 3925 | }; |
| 3926 | |
| 3927 | static PyMethodDef xmlparser_methods[] = { |
| 3928 | _ELEMENTTREE_XMLPARSER_FEED_METHODDEF |
| 3929 | _ELEMENTTREE_XMLPARSER_CLOSE_METHODDEF |
| 3930 | _ELEMENTTREE_XMLPARSER__PARSE_WHOLE_METHODDEF |
| 3931 | _ELEMENTTREE_XMLPARSER__SETEVENTS_METHODDEF |
| 3932 | _ELEMENTTREE_XMLPARSER_DOCTYPE_METHODDEF |
| 3933 | {NULL, NULL} |
| 3934 | }; |
| 3935 | |
Neal Norwitz | 227b533 | 2006-03-22 09:28:35 +0000 | [diff] [blame] | 3936 | static PyTypeObject XMLParser_Type = { |
Martin v. Löwis | 9f2e346 | 2007-07-21 17:22:18 +0000 | [diff] [blame] | 3937 | PyVarObject_HEAD_INIT(NULL, 0) |
Eli Bendersky | 698bdb2 | 2013-01-10 06:01:06 -0800 | [diff] [blame] | 3938 | "xml.etree.ElementTree.XMLParser", sizeof(XMLParserObject), 0, |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3939 | /* methods */ |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3940 | (destructor)xmlparser_dealloc, /* tp_dealloc */ |
| 3941 | 0, /* tp_print */ |
| 3942 | 0, /* tp_getattr */ |
| 3943 | 0, /* tp_setattr */ |
| 3944 | 0, /* tp_reserved */ |
| 3945 | 0, /* tp_repr */ |
| 3946 | 0, /* tp_as_number */ |
| 3947 | 0, /* tp_as_sequence */ |
| 3948 | 0, /* tp_as_mapping */ |
| 3949 | 0, /* tp_hash */ |
| 3950 | 0, /* tp_call */ |
| 3951 | 0, /* tp_str */ |
| 3952 | (getattrofunc)xmlparser_getattro, /* tp_getattro */ |
| 3953 | 0, /* tp_setattro */ |
| 3954 | 0, /* tp_as_buffer */ |
| 3955 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC, |
| 3956 | /* tp_flags */ |
| 3957 | 0, /* tp_doc */ |
| 3958 | (traverseproc)xmlparser_gc_traverse, /* tp_traverse */ |
| 3959 | (inquiry)xmlparser_gc_clear, /* tp_clear */ |
| 3960 | 0, /* tp_richcompare */ |
| 3961 | 0, /* tp_weaklistoffset */ |
| 3962 | 0, /* tp_iter */ |
| 3963 | 0, /* tp_iternext */ |
| 3964 | xmlparser_methods, /* tp_methods */ |
| 3965 | 0, /* tp_members */ |
| 3966 | 0, /* tp_getset */ |
| 3967 | 0, /* tp_base */ |
| 3968 | 0, /* tp_dict */ |
| 3969 | 0, /* tp_descr_get */ |
| 3970 | 0, /* tp_descr_set */ |
| 3971 | 0, /* tp_dictoffset */ |
Serhiy Storchaka | cb98556 | 2015-05-04 15:32:48 +0300 | [diff] [blame] | 3972 | _elementtree_XMLParser___init__, /* tp_init */ |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 3973 | PyType_GenericAlloc, /* tp_alloc */ |
| 3974 | xmlparser_new, /* tp_new */ |
| 3975 | 0, /* tp_free */ |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3976 | }; |
| 3977 | |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3978 | /* ==================================================================== */ |
| 3979 | /* python module interface */ |
| 3980 | |
| 3981 | static PyMethodDef _functions[] = { |
Eli Bendersky | a873690 | 2013-01-05 06:26:39 -0800 | [diff] [blame] | 3982 | {"SubElement", (PyCFunction) subelement, METH_VARARGS | METH_KEYWORDS}, |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 3983 | {NULL, NULL} |
| 3984 | }; |
| 3985 | |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 3986 | |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 3987 | static struct PyModuleDef elementtreemodule = { |
| 3988 | PyModuleDef_HEAD_INIT, |
| 3989 | "_elementtree", |
| 3990 | NULL, |
| 3991 | sizeof(elementtreestate), |
| 3992 | _functions, |
| 3993 | NULL, |
| 3994 | elementtree_traverse, |
| 3995 | elementtree_clear, |
| 3996 | elementtree_free |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 3997 | }; |
| 3998 | |
Neal Norwitz | f6657e6 | 2006-12-28 04:47:50 +0000 | [diff] [blame] | 3999 | PyMODINIT_FUNC |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 4000 | PyInit__elementtree(void) |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 4001 | { |
Eli Bendersky | 64d11e6 | 2012-06-15 07:42:50 +0300 | [diff] [blame] | 4002 | PyObject *m, *temp; |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 4003 | elementtreestate *st; |
| 4004 | |
| 4005 | m = PyState_FindModule(&elementtreemodule); |
| 4006 | if (m) { |
| 4007 | Py_INCREF(m); |
| 4008 | return m; |
| 4009 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 4010 | |
Amaury Forgeot d'Arc | ba4105c | 2008-07-02 21:41:01 +0000 | [diff] [blame] | 4011 | /* Initialize object types */ |
Ronald Oussoren | 138d080 | 2013-07-19 11:11:25 +0200 | [diff] [blame] | 4012 | if (PyType_Ready(&ElementIter_Type) < 0) |
| 4013 | return NULL; |
Amaury Forgeot d'Arc | ba4105c | 2008-07-02 21:41:01 +0000 | [diff] [blame] | 4014 | if (PyType_Ready(&TreeBuilder_Type) < 0) |
Alexander Belopolsky | f0f4514 | 2010-08-11 17:31:17 +0000 | [diff] [blame] | 4015 | return NULL; |
Amaury Forgeot d'Arc | ba4105c | 2008-07-02 21:41:01 +0000 | [diff] [blame] | 4016 | if (PyType_Ready(&Element_Type) < 0) |
Alexander Belopolsky | f0f4514 | 2010-08-11 17:31:17 +0000 | [diff] [blame] | 4017 | return NULL; |
Amaury Forgeot d'Arc | ba4105c | 2008-07-02 21:41:01 +0000 | [diff] [blame] | 4018 | if (PyType_Ready(&XMLParser_Type) < 0) |
Alexander Belopolsky | f0f4514 | 2010-08-11 17:31:17 +0000 | [diff] [blame] | 4019 | return NULL; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 4020 | |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 4021 | m = PyModule_Create(&elementtreemodule); |
Fredrik Lundh | 44ed4db | 2006-03-12 21:06:35 +0000 | [diff] [blame] | 4022 | if (!m) |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 4023 | return NULL; |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 4024 | st = ET_STATE(m); |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 4025 | |
Eli Bendersky | 828efde | 2012-04-05 05:40:58 +0300 | [diff] [blame] | 4026 | if (!(temp = PyImport_ImportModule("copy"))) |
| 4027 | return NULL; |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 4028 | st->deepcopy_obj = PyObject_GetAttrString(temp, "deepcopy"); |
Eli Bendersky | 828efde | 2012-04-05 05:40:58 +0300 | [diff] [blame] | 4029 | Py_XDECREF(temp); |
| 4030 | |
Victor Stinner | b136f11 | 2017-07-10 22:28:02 +0200 | [diff] [blame] | 4031 | if (st->deepcopy_obj == NULL) { |
| 4032 | return NULL; |
| 4033 | } |
| 4034 | |
| 4035 | assert(!PyErr_Occurred()); |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 4036 | if (!(st->elementpath_obj = PyImport_ImportModule("xml.etree.ElementPath"))) |
Eli Bendersky | 828efde | 2012-04-05 05:40:58 +0300 | [diff] [blame] | 4037 | return NULL; |
| 4038 | |
Eli Bendersky | 20d4174 | 2012-06-01 09:48:37 +0300 | [diff] [blame] | 4039 | /* link against pyexpat */ |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 4040 | expat_capi = PyCapsule_Import(PyExpat_CAPSULE_NAME, 0); |
| 4041 | if (expat_capi) { |
| 4042 | /* check that it's usable */ |
| 4043 | if (strcmp(expat_capi->magic, PyExpat_CAPI_MAGIC) != 0 || |
Victor Stinner | 706768c | 2014-08-16 01:03:39 +0200 | [diff] [blame] | 4044 | (size_t)expat_capi->size < sizeof(struct PyExpat_CAPI) || |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 4045 | expat_capi->MAJOR_VERSION != XML_MAJOR_VERSION || |
| 4046 | expat_capi->MINOR_VERSION != XML_MINOR_VERSION || |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 4047 | expat_capi->MICRO_VERSION != XML_MICRO_VERSION) { |
Eli Bendersky | ef391ac | 2012-07-21 20:28:46 +0300 | [diff] [blame] | 4048 | PyErr_SetString(PyExc_ImportError, |
| 4049 | "pyexpat version is incompatible"); |
| 4050 | return NULL; |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 4051 | } |
Eli Bendersky | ef391ac | 2012-07-21 20:28:46 +0300 | [diff] [blame] | 4052 | } else { |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 4053 | return NULL; |
Eli Bendersky | ef391ac | 2012-07-21 20:28:46 +0300 | [diff] [blame] | 4054 | } |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 4055 | |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 4056 | st->parseerror_obj = PyErr_NewException( |
Florent Xicluna | a72a98f | 2012-02-13 11:03:30 +0100 | [diff] [blame] | 4057 | "xml.etree.ElementTree.ParseError", PyExc_SyntaxError, NULL |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 4058 | ); |
Eli Bendersky | 532d03e | 2013-08-10 08:00:39 -0700 | [diff] [blame] | 4059 | Py_INCREF(st->parseerror_obj); |
| 4060 | PyModule_AddObject(m, "ParseError", st->parseerror_obj); |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 4061 | |
Eli Bendersky | 092af1f | 2012-03-04 07:14:03 +0200 | [diff] [blame] | 4062 | Py_INCREF((PyObject *)&Element_Type); |
| 4063 | PyModule_AddObject(m, "Element", (PyObject *)&Element_Type); |
| 4064 | |
Eli Bendersky | 58d548d | 2012-05-29 15:45:16 +0300 | [diff] [blame] | 4065 | Py_INCREF((PyObject *)&TreeBuilder_Type); |
| 4066 | PyModule_AddObject(m, "TreeBuilder", (PyObject *)&TreeBuilder_Type); |
| 4067 | |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 4068 | Py_INCREF((PyObject *)&XMLParser_Type); |
| 4069 | PyModule_AddObject(m, "XMLParser", (PyObject *)&XMLParser_Type); |
Eli Bendersky | 52467b1 | 2012-06-01 07:13:08 +0300 | [diff] [blame] | 4070 | |
Florent Xicluna | f15351d | 2010-03-13 23:24:31 +0000 | [diff] [blame] | 4071 | return m; |
Fredrik Lundh | 8c8836b | 2005-12-16 22:06:06 +0000 | [diff] [blame] | 4072 | } |