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author | nkozlovskiy <nmk@ydb.tech> | 2023-09-29 12:24:06 +0300 |
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committer | nkozlovskiy <nmk@ydb.tech> | 2023-09-29 12:41:34 +0300 |
commit | e0e3e1717e3d33762ce61950504f9637a6e669ed (patch) | |
tree | bca3ff6939b10ed60c3d5c12439963a1146b9711 /contrib/tools/python3/src/Python/getopt.c | |
parent | 38f2c5852db84c7b4d83adfcb009eb61541d1ccd (diff) | |
download | ydb-e0e3e1717e3d33762ce61950504f9637a6e669ed.tar.gz |
add ydb deps
Diffstat (limited to 'contrib/tools/python3/src/Python/getopt.c')
-rw-r--r-- | contrib/tools/python3/src/Python/getopt.c | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/contrib/tools/python3/src/Python/getopt.c b/contrib/tools/python3/src/Python/getopt.c new file mode 100644 index 0000000000..4135bf1446 --- /dev/null +++ b/contrib/tools/python3/src/Python/getopt.c @@ -0,0 +1,179 @@ +/*---------------------------------------------------------------------------* + * <RCS keywords> + * + * C++ Library + * + * Copyright 1992-1994, David Gottner + * + * All Rights Reserved + * + * Permission to use, copy, modify, and distribute this software and its + * documentation for any purpose and without fee is hereby granted, + * provided that the above copyright notice, this permission notice and + * the following disclaimer notice appear unmodified in all copies. + * + * I DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL I + * BE LIABLE FOR ANY SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY + * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA, OR PROFITS, WHETHER + * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT + * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + *---------------------------------------------------------------------------*/ + +/* Modified to support --help and --version, as well as /? on Windows + * by Georg Brandl. */ + +#include <Python.h> +#include <stdio.h> +#include <string.h> +#include <wchar.h> +#include "pycore_getopt.h" + +#ifdef __cplusplus +extern "C" { +#endif + +int _PyOS_opterr = 1; /* generate error messages */ +Py_ssize_t _PyOS_optind = 1; /* index into argv array */ +const wchar_t *_PyOS_optarg = NULL; /* optional argument */ + +static const wchar_t *opt_ptr = L""; + +/* Python command line short and long options */ + +#define SHORT_OPTS L"bBc:dEhiIJm:OPqRsStuvVW:xX:?" + +static const _PyOS_LongOption longopts[] = { + /* name, has_arg, val (used in switch in initconfig.c) */ + {L"check-hash-based-pycs", 1, 0}, + {L"help-all", 0, 1}, + {L"help-env", 0, 2}, + {L"help-xoptions", 0, 3}, + {NULL, 0, -1}, /* sentinel */ +}; + + +void _PyOS_ResetGetOpt(void) +{ + _PyOS_opterr = 1; + _PyOS_optind = 1; + _PyOS_optarg = NULL; + opt_ptr = L""; +} + +int _PyOS_GetOpt(Py_ssize_t argc, wchar_t * const *argv, int *longindex) +{ + wchar_t *ptr; + wchar_t option; + + if (*opt_ptr == '\0') { + + if (_PyOS_optind >= argc) + return -1; +#ifdef MS_WINDOWS + else if (wcscmp(argv[_PyOS_optind], L"/?") == 0) { + ++_PyOS_optind; + return 'h'; + } +#endif + + else if (argv[_PyOS_optind][0] != L'-' || + argv[_PyOS_optind][1] == L'\0' /* lone dash */ ) + return -1; + + else if (wcscmp(argv[_PyOS_optind], L"--") == 0) { + ++_PyOS_optind; + return -1; + } + + else if (wcscmp(argv[_PyOS_optind], L"--help") == 0) { + ++_PyOS_optind; + return 'h'; + } + + else if (wcscmp(argv[_PyOS_optind], L"--version") == 0) { + ++_PyOS_optind; + return 'V'; + } + + opt_ptr = &argv[_PyOS_optind++][1]; + } + + if ((option = *opt_ptr++) == L'\0') + return -1; + + if (option == L'-') { + // Parse long option. + if (*opt_ptr == L'\0') { + if (_PyOS_opterr) { + fprintf(stderr, "expected long option\n"); + } + return -1; + } + *longindex = 0; + const _PyOS_LongOption *opt; + for (opt = &longopts[*longindex]; opt->name; opt = &longopts[++(*longindex)]) { + if (!wcscmp(opt->name, opt_ptr)) + break; + } + if (!opt->name) { + if (_PyOS_opterr) { + fprintf(stderr, "unknown option %ls\n", argv[_PyOS_optind - 1]); + } + return '_'; + } + opt_ptr = L""; + if (!opt->has_arg) { + return opt->val; + } + if (_PyOS_optind >= argc) { + if (_PyOS_opterr) { + fprintf(stderr, "Argument expected for the %ls options\n", + argv[_PyOS_optind - 1]); + } + return '_'; + } + _PyOS_optarg = argv[_PyOS_optind++]; + return opt->val; + } + + if (option == 'J') { + if (_PyOS_opterr) { + fprintf(stderr, "-J is reserved for Jython\n"); + } + return '_'; + } + + if ((ptr = wcschr(SHORT_OPTS, option)) == NULL) { + if (_PyOS_opterr) { + fprintf(stderr, "Unknown option: -%c\n", (char)option); + } + return '_'; + } + + if (*(ptr + 1) == L':') { + if (*opt_ptr != L'\0') { + _PyOS_optarg = opt_ptr; + opt_ptr = L""; + } + + else { + if (_PyOS_optind >= argc) { + if (_PyOS_opterr) { + fprintf(stderr, + "Argument expected for the -%c option\n", (char)option); + } + return '_'; + } + + _PyOS_optarg = argv[_PyOS_optind++]; + } + } + + return option; +} + +#ifdef __cplusplus +} +#endif + |