mercurial/cext/charencode.h
author Boris Feld <boris.feld@octobus.net>
Mon, 09 Oct 2017 11:45:21 +0200
changeset 35629 31451f3f4b56
parent 33926 f4433f2713d0
child 36058 81199632fa42
permissions -rw-r--r--
style: remove multiple statement on a single line in zeroconf Differential Revision: https://phab.mercurial-scm.org/D1833
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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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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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};
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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_ */