/home/mdboom/Work/builds/cpython/Python/getopt.c

Source (jump to first uncovered line)
/*---------------------------------------------------------------------------*
 * <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'\0'134 /* 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


Line	Count	Source (jump to first uncovered line)
1	/---------------------------------------------------------------------------
2	* <RCS keywords>
3	*
4	* C++ Library
5	*
6	* Copyright 1992-1994, David Gottner
7	*
8	* All Rights Reserved
9	*
10	* Permission to use, copy, modify, and distribute this software and its
11	* documentation for any purpose and without fee is hereby granted,
12	* provided that the above copyright notice, this permission notice and
13	* the following disclaimer notice appear unmodified in all copies.
14	*
15	* I DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
16	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL I
17	* BE LIABLE FOR ANY SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
18	* DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA, OR PROFITS, WHETHER
19	* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
20	* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
21	---------------------------------------------------------------------------/
22
23	/* Modified to support --help and --version, as well as /? on Windows
24	* by Georg Brandl. */
25
26	#include <Python.h>
27	#include <stdio.h>
28	#include <string.h>
29	#include <wchar.h>
30	#include "pycore_getopt.h"
31
32	#ifdef __cplusplus
33	extern "C" {
34	#endif
35
36	int _PyOS_opterr = 1; /* generate error messages */
37	Py_ssize_t _PyOS_optind = 1; /* index into argv array */
38	const wchar_t _PyOS_optarg = NULL; / optional argument */
39
40	static const wchar_t *opt_ptr = L"";
41
42	/* Python command line short and long options */
43
44	#define SHORT_OPTS L"bBc:dEhiIJm:OPqRsStuvVW:xX:?"
45
46	static const _PyOS_LongOption longopts[] = {
47	/* name, has_arg, val (used in switch in initconfig.c) */
48	{L"check-hash-based-pycs", 1, 0},
49	{L"help-all", 0, 1},
50	{L"help-env", 0, 2},
51	{L"help-xoptions", 0, 3},
52	{NULL, 0, -1}, /* sentinel */
53	};
54
55
56	void _PyOS_ResetGetOpt(void)
57	{
58	_PyOS_opterr = 1;
59	_PyOS_optind = 1;
60	_PyOS_optarg = NULL;
61	opt_ptr = L"";
62	}
63
64	int _PyOS_GetOpt(Py_ssize_t argc, wchar_t * const argv, int longindex)
65	{
66	wchar_t *ptr;
67	wchar_t option;
68
69	if (*opt_ptr == '\0') { Branch (69:9): [True: 181, False: 0]
70
71	if (_PyOS_optind >= argc) Branch (71:13): [True: 41, False: 140]
72	return -1;
73	#ifdef MS_WINDOWS
74	else if (wcscmp(argv[_PyOS_optind], L"/?") == 0) {
75	++_PyOS_optind;
76	return 'h';
77	}
78	#endif
79
80	else if (argv[_PyOS_optind][0] != L'-' \|\| Branch (80:18): [True: 6, False: 134]
81	argv[_PyOS_optind][1] == L'\0'134 /* lone dash */ ) Branch (81:18): [True: 0, False: 134]
82	return -1;
83
84	else if (wcscmp(argv[_PyOS_optind], L"--") == 0) { Branch (84:18): [True: 0, False: 134]
85	++_PyOS_optind;
86	return -1;
87	}
88
89	else if (wcscmp(argv[_PyOS_optind], L"--help") == 0) { Branch (89:18): [True: 0, False: 134]
90	++_PyOS_optind;
91	return 'h';
92	}
93
94	else if (wcscmp(argv[_PyOS_optind], L"--version") == 0) { Branch (94:18): [True: 0, False: 134]
95	++_PyOS_optind;
96	return 'V';
97	}
98
99	opt_ptr = &argv[_PyOS_optind++][1];
100	}
101
102	if ((option = *opt_ptr++) == L'\0') Branch (102:9): [True: 0, False: 134]
103	return -1;
104
105	if (option == L'-') { Branch (105:9): [True: 0, False: 134]
106	// Parse long option.
107	if (*opt_ptr == L'\0') { Branch (107:13): [True: 0, False: 0]
108	if (_PyOS_opterr) { Branch (108:17): [True: 0, False: 0]
109	fprintf(stderr, "expected long option\n");
110	}
111	return -1;
112	}
113	*longindex = 0;
114	const _PyOS_LongOption *opt;
115	for (opt = &longopts[longindex]; opt->name; opt = &longopts[++(longindex)]) { Branch (115:43): [True: 0, False: 0]
116	if (!wcscmp(opt->name, opt_ptr)) Branch (116:17): [True: 0, False: 0]
117	break;
118	}
119	if (!opt->name) { Branch (119:13): [True: 0, False: 0]
120	if (_PyOS_opterr) { Branch (120:17): [True: 0, False: 0]
121	fprintf(stderr, "unknown option %ls\n", argv[_PyOS_optind - 1]);
122	}
123	return '_';
124	}
125	opt_ptr = L"";
126	if (!opt->has_arg) { Branch (126:13): [True: 0, False: 0]
127	return opt->val;
128	}
129	if (_PyOS_optind >= argc) { Branch (129:13): [True: 0, False: 0]
130	if (_PyOS_opterr) { Branch (130:17): [True: 0, False: 0]
131	fprintf(stderr, "Argument expected for the %ls options\n",
132	argv[_PyOS_optind - 1]);
133	}
134	return '_';
135	}
136	_PyOS_optarg = argv[_PyOS_optind++];
137	return opt->val;
138	}
139
140	if (option == 'J') { Branch (140:9): [True: 0, False: 134]
141	if (_PyOS_opterr) { Branch (141:13): [True: 0, False: 0]
142	fprintf(stderr, "-J is reserved for Jython\n");
143	}
144	return '_';
145	}
146
147	if ((ptr = wcschr(SHORT_OPTS, option)) == NULL) { Branch (147:9): [True: 0, False: 134]
148	if (_PyOS_opterr) { Branch (148:13): [True: 0, False: 0]
149	fprintf(stderr, "Unknown option: -%c\n", (char)option);
150	}
151	return '_';
152	}
153
154	if (*(ptr + 1) == L':') { Branch (154:9): [True: 125, False: 9]
155	if (*opt_ptr != L'\0') { Branch (155:13): [True: 4, False: 121]
156	_PyOS_optarg = opt_ptr;
157	opt_ptr = L"";
158	}
159
160	else {
161	if (_PyOS_optind >= argc) { Branch (161:17): [True: 0, False: 121]
162	if (_PyOS_opterr) { Branch (162:21): [True: 0, False: 0]
163	fprintf(stderr,
164	"Argument expected for the -%c option\n", (char)option);
165	}
166	return '_';
167	}
168
169	_PyOS_optarg = argv[_PyOS_optind++];
170	}
171	}
172
173	return option;
174	}
175
176	#ifdef __cplusplus
177	}
178	#endif
179

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Created: 2022-07-08 09:39