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/*
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charencode.h - miscellaneous character encoding
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This software may be used and distributed according to the terms of
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the GNU General Public License, incorporated herein by reference.
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*/
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#ifndef _HG_CHARENCODE_H_
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#define _HG_CHARENCODE_H_
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#include <Python.h>
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#include "compat.h"
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/* This should be kept in sync with normcasespecs in encoding.py. */
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enum normcase_spec {
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NORMCASE_LOWER = -1,
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NORMCASE_UPPER = 1,
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NORMCASE_OTHER = 0
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};
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PyObject *unhexlify(const char *str, Py_ssize_t len);
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PyObject *isasciistr(PyObject *self, PyObject *args);
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PyObject *asciilower(PyObject *self, PyObject *args);
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PyObject *asciiupper(PyObject *self, PyObject *args);
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PyObject *make_file_foldmap(PyObject *self, PyObject *args);
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PyObject *jsonescapeu8fast(PyObject *self, PyObject *args);
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/* clang-format off */
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static const int8_t hextable[256] = {
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1, -1, -1, -1, -1, -1, /* 0-9 */
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-1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* A-F */
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* a-f */
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
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};
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/* clang-format on */
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static inline int hexdigit(const char *p, Py_ssize_t off)
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{
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int8_t val = hextable[(unsigned char)p[off]];
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if (val >= 0) {
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return val;
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}
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PyErr_SetString(PyExc_ValueError, "input contains non-hex character");
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return 0;
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}
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#endif /* _HG_CHARENCODE_H_ */
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