diff options
Diffstat (limited to 'venv/lib/python3.11/site-packages/markupsafe/_speedups.c')
| -rw-r--r-- | venv/lib/python3.11/site-packages/markupsafe/_speedups.c | 320 |
1 files changed, 0 insertions, 320 deletions
diff --git a/venv/lib/python3.11/site-packages/markupsafe/_speedups.c b/venv/lib/python3.11/site-packages/markupsafe/_speedups.c deleted file mode 100644 index 3c463fb..0000000 --- a/venv/lib/python3.11/site-packages/markupsafe/_speedups.c +++ /dev/null @@ -1,320 +0,0 @@ -#include <Python.h> - -static PyObject* markup; - -static int -init_constants(void) -{ - PyObject *module; - - /* import markup type so that we can mark the return value */ - module = PyImport_ImportModule("markupsafe"); - if (!module) - return 0; - markup = PyObject_GetAttrString(module, "Markup"); - Py_DECREF(module); - - return 1; -} - -#define GET_DELTA(inp, inp_end, delta) \ - while (inp < inp_end) { \ - switch (*inp++) { \ - case '"': \ - case '\'': \ - case '&': \ - delta += 4; \ - break; \ - case '<': \ - case '>': \ - delta += 3; \ - break; \ - } \ - } - -#define DO_ESCAPE(inp, inp_end, outp) \ - { \ - Py_ssize_t ncopy = 0; \ - while (inp < inp_end) { \ - switch (*inp) { \ - case '"': \ - memcpy(outp, inp-ncopy, sizeof(*outp)*ncopy); \ - outp += ncopy; ncopy = 0; \ - *outp++ = '&'; \ - *outp++ = '#'; \ - *outp++ = '3'; \ - *outp++ = '4'; \ - *outp++ = ';'; \ - break; \ - case '\'': \ - memcpy(outp, inp-ncopy, sizeof(*outp)*ncopy); \ - outp += ncopy; ncopy = 0; \ - *outp++ = '&'; \ - *outp++ = '#'; \ - *outp++ = '3'; \ - *outp++ = '9'; \ - *outp++ = ';'; \ - break; \ - case '&': \ - memcpy(outp, inp-ncopy, sizeof(*outp)*ncopy); \ - outp += ncopy; ncopy = 0; \ - *outp++ = '&'; \ - *outp++ = 'a'; \ - *outp++ = 'm'; \ - *outp++ = 'p'; \ - *outp++ = ';'; \ - break; \ - case '<': \ - memcpy(outp, inp-ncopy, sizeof(*outp)*ncopy); \ - outp += ncopy; ncopy = 0; \ - *outp++ = '&'; \ - *outp++ = 'l'; \ - *outp++ = 't'; \ - *outp++ = ';'; \ - break; \ - case '>': \ - memcpy(outp, inp-ncopy, sizeof(*outp)*ncopy); \ - outp += ncopy; ncopy = 0; \ - *outp++ = '&'; \ - *outp++ = 'g'; \ - *outp++ = 't'; \ - *outp++ = ';'; \ - break; \ - default: \ - ncopy++; \ - } \ - inp++; \ - } \ - memcpy(outp, inp-ncopy, sizeof(*outp)*ncopy); \ - } - -static PyObject* -escape_unicode_kind1(PyUnicodeObject *in) -{ - Py_UCS1 *inp = PyUnicode_1BYTE_DATA(in); - Py_UCS1 *inp_end = inp + PyUnicode_GET_LENGTH(in); - Py_UCS1 *outp; - PyObject *out; - Py_ssize_t delta = 0; - - GET_DELTA(inp, inp_end, delta); - if (!delta) { - Py_INCREF(in); - return (PyObject*)in; - } - - out = PyUnicode_New(PyUnicode_GET_LENGTH(in) + delta, - PyUnicode_IS_ASCII(in) ? 127 : 255); - if (!out) - return NULL; - - inp = PyUnicode_1BYTE_DATA(in); - outp = PyUnicode_1BYTE_DATA(out); - DO_ESCAPE(inp, inp_end, outp); - return out; -} - -static PyObject* -escape_unicode_kind2(PyUnicodeObject *in) -{ - Py_UCS2 *inp = PyUnicode_2BYTE_DATA(in); - Py_UCS2 *inp_end = inp + PyUnicode_GET_LENGTH(in); - Py_UCS2 *outp; - PyObject *out; - Py_ssize_t delta = 0; - - GET_DELTA(inp, inp_end, delta); - if (!delta) { - Py_INCREF(in); - return (PyObject*)in; - } - - out = PyUnicode_New(PyUnicode_GET_LENGTH(in) + delta, 65535); - if (!out) - return NULL; - - inp = PyUnicode_2BYTE_DATA(in); - outp = PyUnicode_2BYTE_DATA(out); - DO_ESCAPE(inp, inp_end, outp); - return out; -} - - -static PyObject* -escape_unicode_kind4(PyUnicodeObject *in) -{ - Py_UCS4 *inp = PyUnicode_4BYTE_DATA(in); - Py_UCS4 *inp_end = inp + PyUnicode_GET_LENGTH(in); - Py_UCS4 *outp; - PyObject *out; - Py_ssize_t delta = 0; - - GET_DELTA(inp, inp_end, delta); - if (!delta) { - Py_INCREF(in); - return (PyObject*)in; - } - - out = PyUnicode_New(PyUnicode_GET_LENGTH(in) + delta, 1114111); - if (!out) - return NULL; - - inp = PyUnicode_4BYTE_DATA(in); - outp = PyUnicode_4BYTE_DATA(out); - DO_ESCAPE(inp, inp_end, outp); - return out; -} - -static PyObject* -escape_unicode(PyUnicodeObject *in) -{ - if (PyUnicode_READY(in)) - return NULL; - - switch (PyUnicode_KIND(in)) { - case PyUnicode_1BYTE_KIND: - return escape_unicode_kind1(in); - case PyUnicode_2BYTE_KIND: - return escape_unicode_kind2(in); - case PyUnicode_4BYTE_KIND: - return escape_unicode_kind4(in); - } - assert(0); /* shouldn't happen */ - return NULL; -} - -static PyObject* -escape(PyObject *self, PyObject *text) -{ - static PyObject *id_html; - PyObject *s = NULL, *rv = NULL, *html; - - if (id_html == NULL) { - id_html = PyUnicode_InternFromString("__html__"); - if (id_html == NULL) { - return NULL; - } - } - - /* we don't have to escape integers, bools or floats */ - if (PyLong_CheckExact(text) || - PyFloat_CheckExact(text) || PyBool_Check(text) || - text == Py_None) - return PyObject_CallFunctionObjArgs(markup, text, NULL); - - /* if the object has an __html__ method that performs the escaping */ - html = PyObject_GetAttr(text ,id_html); - if (html) { - s = PyObject_CallObject(html, NULL); - Py_DECREF(html); - if (s == NULL) { - return NULL; - } - /* Convert to Markup object */ - rv = PyObject_CallFunctionObjArgs(markup, (PyObject*)s, NULL); - Py_DECREF(s); - return rv; - } - - /* otherwise make the object unicode if it isn't, then escape */ - PyErr_Clear(); - if (!PyUnicode_Check(text)) { - PyObject *unicode = PyObject_Str(text); - if (!unicode) - return NULL; - s = escape_unicode((PyUnicodeObject*)unicode); - Py_DECREF(unicode); - } - else - s = escape_unicode((PyUnicodeObject*)text); - - /* convert the unicode string into a markup object. */ - rv = PyObject_CallFunctionObjArgs(markup, (PyObject*)s, NULL); - Py_DECREF(s); - return rv; -} - - -static PyObject* -escape_silent(PyObject *self, PyObject *text) -{ - if (text != Py_None) - return escape(self, text); - return PyObject_CallFunctionObjArgs(markup, NULL); -} - - -static PyObject* -soft_str(PyObject *self, PyObject *s) -{ - if (!PyUnicode_Check(s)) - return PyObject_Str(s); - Py_INCREF(s); - return s; -} - - -static PyMethodDef module_methods[] = { - { - "escape", - (PyCFunction)escape, - METH_O, - "Replace the characters ``&``, ``<``, ``>``, ``'``, and ``\"`` in" - " the string with HTML-safe sequences. Use this if you need to display" - " text that might contain such characters in HTML.\n\n" - "If the object has an ``__html__`` method, it is called and the" - " return value is assumed to already be safe for HTML.\n\n" - ":param s: An object to be converted to a string and escaped.\n" - ":return: A :class:`Markup` string with the escaped text.\n" - }, - { - "escape_silent", - (PyCFunction)escape_silent, - METH_O, - "Like :func:`escape` but treats ``None`` as the empty string." - " Useful with optional values, as otherwise you get the string" - " ``'None'`` when the value is ``None``.\n\n" - ">>> escape(None)\n" - "Markup('None')\n" - ">>> escape_silent(None)\n" - "Markup('')\n" - }, - { - "soft_str", - (PyCFunction)soft_str, - METH_O, - "Convert an object to a string if it isn't already. This preserves" - " a :class:`Markup` string rather than converting it back to a basic" - " string, so it will still be marked as safe and won't be escaped" - " again.\n\n" - ">>> value = escape(\"<User 1>\")\n" - ">>> value\n" - "Markup('<User 1>')\n" - ">>> escape(str(value))\n" - "Markup('&lt;User 1&gt;')\n" - ">>> escape(soft_str(value))\n" - "Markup('<User 1>')\n" - }, - {NULL, NULL, 0, NULL} /* Sentinel */ -}; - -static struct PyModuleDef module_definition = { - PyModuleDef_HEAD_INIT, - "markupsafe._speedups", - NULL, - -1, - module_methods, - NULL, - NULL, - NULL, - NULL -}; - -PyMODINIT_FUNC -PyInit__speedups(void) -{ - if (!init_constants()) - return NULL; - - return PyModule_Create(&module_definition); -} |