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py3: Fix parsing of numbers in tinycss tokenizer

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Kovid Goyal 2019-04-02 10:34:01 +05:30
parent 690ba43dcc
commit ffb5160f3c
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1 changed files with 26 additions and 19 deletions
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45
src/tinycss/tokenizer.c
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@ -204,32 +204,37 @@ tokenize_init(PyObject *self, PyObject *args) {
#define END_ITER_CODE_PTS }}
static int
contains_char(PyObject *haystack, const char c) {
ITER_CODE_PTS(haystack)
if (ch == c) return 1;
END_ITER_CODE_PTS
return 0;
}
static PyObject *unicode_to_number(PyObject *src) {
PyObject *raw = NULL, *ans = NULL;
raw = PyUnicode_AsASCIIString(src);
if (raw == NULL) { return NULL; }
if (contains_char(src, '.')) {
const char *utf8_data;
#if PY_MAJOR_VERSION >= 3
ans = PyFloat_FromString(raw);
utf8_data = PyUnicode_AsUTF8(src);
#else
ans = PyFloat_FromString(raw, NULL);
PyObject *utf_8_temp = PyUnicode_AsUTF8String(src);
if (utf_8_temp == NULL) return NULL;
utf8_data = PyString_AS_STRING(utf_8_temp);
#endif
PyObject *ans = NULL;
char *end = NULL;
if (strchr(utf8_data, '.')) {
double d = 0;
errno = 0;
d = strtod(utf8_data, &end);
if (errno != 0 || (end == utf8_data)) PyErr_SetString(PyExc_ValueError, "Not a valid float");
else ans = PyFloat_FromDouble(d);
} else {
long d = 0;
errno = 0;
d = strtol(utf8_data, &end, 10);
if (errno != 0 || (end == utf8_data)) PyErr_SetString(PyExc_ValueError, "Not a valid integer");
#if PY_MAJOR_VERSION >= 3
ans = PyLong_FromUnicodeObject(raw, 10);
else ans = PyLong_FromLong(d);
#else
ans = PyInt_FromString(PyString_AS_STRING(raw), NULL, 10);
else ans = PyInt_FromLong(d);
#endif
}
Py_DECREF(raw);
#if PY_MAJOR_VERSION < 3
Py_DECREF(utf_8_temp);
#endif
return ans;
}
@ -258,7 +263,9 @@ clone_unicode(const PyObject* src, Py_ssize_t start_offset, Py_ssize_t end_offse
data = PyUnicode_2BYTE_DATA(src) + start_offset; break;
case PyUnicode_4BYTE_KIND:
data = PyUnicode_4BYTE_DATA(src) + start_offset; break;
default:
PyErr_SetString(PyExc_RuntimeError, "Invalid byte kind for unicode object");
return NULL;
}
return PyUnicode_FromKindAndData(kind, data, PyUnicode_GET_LENGTH(src) - start_offset - end_offset);
#else
@ -289,13 +296,13 @@ tokenize_flat(PyObject *self, PyObject *args) {
if (!PyArg_ParseTuple(args, "UO", &py_source, &ic)) return NULL;
if (PyObject_IsTrue(ic)) ignore_comments = 1;
source_len = PyUnicode_GET_LENGTH(py_source);
#if PY_VERSION_HEX >= 0x03030000
if (PyUnicode_READY(py_source) != 0) return NULL;
css_source = PyUnicode_DATA(py_source); css_kind = PyUnicode_KIND(py_source);
#else
css_source = PyUnicode_AS_UNICODE(py_source);
#endif
source_len = PyUnicode_GET_LENGTH(py_source);
tokens = PyList_New(0);
if (tokens == NULL) return PyErr_NoMemory();