Mercurial > public > mercurial-scm > hg-stable
diff mercurial/cext/charencode.h @ 33779:0f4ac3b6dee4
cext: factor out header for charencode.c
This merges a part of util.h with the header which should exist for
charencode.c.
| author | Yuya Nishihara <yuya@tcha.org> |
|---|---|
| date | Sun, 21 May 2017 14:23:22 +0900 |
| parents | mercurial/cext/util.h@5866ba5e9c48 |
| children | a22339d389d4 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mercurial/cext/charencode.h Sun May 21 14:23:22 2017 +0900 @@ -0,0 +1,57 @@ +/* + charencode.h - miscellaneous character encoding + + This software may be used and distributed according to the terms of + the GNU General Public License, incorporated herein by reference. +*/ + +#ifndef _HG_CHARENCODE_H_ +#define _HG_CHARENCODE_H_ + +#include <Python.h> +#include "compat.h" + +/* This should be kept in sync with normcasespecs in encoding.py. */ +enum normcase_spec { + NORMCASE_LOWER = -1, + NORMCASE_UPPER = 1, + NORMCASE_OTHER = 0 +}; + +PyObject *unhexlify(const char *str, int len); +PyObject *asciilower(PyObject *self, PyObject *args); +PyObject *asciiupper(PyObject *self, PyObject *args); +PyObject *make_file_foldmap(PyObject *self, PyObject *args); + +static const int8_t hextable[256] = { + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1, -1, -1, -1, -1, -1, /* 0-9 */ + -1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* A-F */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* a-f */ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 +}; + +static inline int hexdigit(const char *p, Py_ssize_t off) +{ + int8_t val = hextable[(unsigned char)p[off]]; + + if (val >= 0) { + return val; + } + + PyErr_SetString(PyExc_ValueError, "input contains non-hex character"); + return 0; +} + +#endif /* _HG_CHARENCODE_H_ */