2016-05-04 06:18:24 +08:00
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// A version of the getopt library for use with wide character strings.
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//
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// This is simply the gnu getopt library, but converted for use with wchar_t instead of char. This
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// is not usually useful since the argv array is always defined to be of type char**, but in fish,
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// all internal commands use wide characters and hence this library is useful.
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//
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// If you want to use this version of getopt in your program, download the fish sourcecode,
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// available at <a href='http://fishshell.com'>the fish homepage</a>. Extract the sourcode, copy
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// wgetopt.c and wgetopt.h into your program directory, include wgetopt.h in your program, and use
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// all the regular getopt functions, prefixing every function, global variable and structure with a
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// 'w', and use only wide character strings. There are no other functional changes in this version
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// of getopt besides using wide character strings.
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//
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// For examples of how to use wgetopt, see the fish builtin functions, many of which are defined in
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// builtin.c.
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// Getopt for GNU.
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//
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// NOTE: getopt is now part of the C library, so if you don't know what "Keep this file name-space
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// clean" means, talk to roland@gnu.ai.mit.edu before changing it!
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//
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// Copyright (C) 1987, 88, 89, 90, 91, 92, 93, 94
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// Free Software Foundation, Inc.
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//
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// This file is part of the GNU C Library. Its master source is NOT part of the C library, however.
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// The master source lives in /gd/gnu/lib.
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//
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// The GNU C Library is free software; you can redistribute it and/or modify it under the terms of
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// the GNU Library General Public License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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// the GNU Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public License along with the GNU C
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// Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 675 Mass
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// Ave, Cambridge, MA 02139, USA.
|
2016-06-02 13:03:27 +08:00
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#include "config.h" // IWYU pragma: keep
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2005-09-20 21:26:39 +08:00
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#include <stdio.h>
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#include <wchar.h>
|
2016-05-04 06:18:24 +08:00
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// This needs to come after some library #include to get __GNU_LIBRARY__ defined.
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#ifdef __GNU_LIBRARY__
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// Don't include stdlib.h for non-GNU C libraries because some of them contain conflicting
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// prototypes for getopt.
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2005-09-20 21:26:39 +08:00
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#include <stdlib.h>
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2016-05-04 07:23:30 +08:00
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#endif // GNU C library.
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2016-05-04 06:18:24 +08:00
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// This version of `getopt' appears to the caller like standard Unix `getopt' but it behaves
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// differently for the user, since it allows the user to intersperse the options with the other
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// arguments.
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//
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// As `getopt' works, it permutes the elements of ARGV so that, when it is done, all the options
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// precede everything else. Thus all application programs are extended to handle flexible argument
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// order.
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//
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// GNU application programs can use a third alternative mode in which they can distinguish the
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// relative order of options and other arguments.
|
2016-04-21 14:00:54 +08:00
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#include "common.h"
|
2016-05-04 06:18:24 +08:00
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#include "fallback.h" // IWYU pragma: keep
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2005-09-20 21:26:39 +08:00
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#include "wgetopt.h"
|
2016-04-21 14:00:54 +08:00
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#include "wutil.h" // IWYU pragma: keep
|
2005-09-20 21:26:39 +08:00
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|
2016-05-04 06:18:24 +08:00
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#ifdef __GNU_LIBRARY__
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// We want to avoid inclusion of string.h with non-GNU libraries because there are many ways it can
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// cause trouble. On some systems, it contains special magic macros that don't work in GCC.
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#include <string.h> // IWYU pragma: keep
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#define my_index wcschr
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2005-09-20 21:26:39 +08:00
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#else
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|
2016-05-04 06:18:24 +08:00
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// Avoid depending on library functions or files whose names are inconsistent.
|
2005-09-20 21:26:39 +08:00
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|
2012-11-19 08:30:30 +08:00
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char *getenv();
|
2005-09-20 21:26:39 +08:00
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|
2016-05-04 06:18:24 +08:00
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static wchar_t *my_index(const wchar_t *str, int chr) {
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while (*str) {
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|
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if (*str == chr) return (wchar_t *)str;
|
2012-11-19 08:30:30 +08:00
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str++;
|
2005-09-20 21:26:39 +08:00
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}
|
2012-11-19 08:30:30 +08:00
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return 0;
|
2005-09-20 21:26:39 +08:00
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|
}
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|
2016-05-04 06:18:24 +08:00
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// If using GCC, we can safely declare strlen this way. If not using GCC, it is ok not to declare
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// it.
|
2005-09-20 21:26:39 +08:00
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#ifdef __GNUC__
|
2016-05-04 06:18:24 +08:00
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// Note that Motorola Delta 68k R3V7 comes with GCC but not stddef.h. That was relevant to code that
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// was here before.
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#if !defined(__STDC__) || !__STDC__
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// gcc with -traditional declares the built-in strlen to return int, and has done so at least since
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// version 2.4.5. -- rms.
|
2012-11-19 08:30:30 +08:00
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extern int wcslen(const wchar_t *);
|
2016-05-04 07:23:30 +08:00
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#endif // not __STDC__
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#endif // __GNUC__
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2016-05-04 06:18:24 +08:00
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2016-05-04 07:23:30 +08:00
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#endif // not __GNU_LIBRARY__
|
2016-05-04 06:18:24 +08:00
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// Exchange two adjacent subsequences of ARGV. One subsequence is elements
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// [first_nonopt,last_nonopt) which contains all the non-options that have been skipped so far. The
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// other is elements [last_nonopt,woptind), which contains all the options processed since those
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// non-options were skipped.
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//
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// `first_nonopt' and `last_nonopt' are relocated so that they describe the new indices of the
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// non-options in ARGV after they are moved.
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void wgetopter_t::exchange(wchar_t **argv) {
|
2012-11-19 08:30:30 +08:00
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int bottom = first_nonopt;
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int middle = last_nonopt;
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int top = woptind;
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wchar_t *tem;
|
2012-11-18 18:23:22 +08:00
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|
2016-05-04 06:18:24 +08:00
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|
// Exchange the shorter segment with the far end of the longer segment. That puts the shorter
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// segment into the right place. It leaves the longer segment in the right place overall, but it
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// consists of two parts that need to be swapped next.
|
2012-11-18 18:23:22 +08:00
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|
2016-05-04 06:18:24 +08:00
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|
while (top > middle && middle > bottom) {
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if (top - middle > middle - bottom) {
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// Bottom segment is the short one.
|
2012-11-19 08:30:30 +08:00
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|
int len = middle - bottom;
|
2014-02-06 11:28:12 +08:00
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|
int i;
|
2012-11-19 08:30:30 +08:00
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|
2016-05-04 06:18:24 +08:00
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// Swap it with the top part of the top segment.
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for (i = 0; i < len; i++) {
|
2012-11-19 08:30:30 +08:00
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tem = argv[bottom + i];
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argv[bottom + i] = argv[top - (middle - bottom) + i];
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argv[top - (middle - bottom) + i] = tem;
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|
|
}
|
2016-05-04 06:18:24 +08:00
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|
// Exclude the moved bottom segment from further swapping.
|
2012-11-19 08:30:30 +08:00
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|
|
top -= len;
|
2016-05-04 06:18:24 +08:00
|
|
|
} else {
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// Top segment is the short one.
|
2012-11-19 08:30:30 +08:00
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|
int len = top - middle;
|
2014-02-06 11:28:12 +08:00
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|
|
int i;
|
2012-11-19 08:30:30 +08:00
|
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|
2016-05-04 06:18:24 +08:00
|
|
|
// Swap it with the bottom part of the bottom segment.
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|
for (i = 0; i < len; i++) {
|
2012-11-19 08:30:30 +08:00
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|
|
tem = argv[bottom + i];
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|
argv[bottom + i] = argv[middle + i];
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|
argv[middle + i] = tem;
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|
|
}
|
2016-05-04 06:18:24 +08:00
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|
|
// Exclude the moved top segment from further swapping.
|
2012-11-19 08:30:30 +08:00
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|
bottom += len;
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|
}
|
2005-09-20 21:26:39 +08:00
|
|
|
}
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|
2016-05-04 06:18:24 +08:00
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|
|
// Update records for the slots the non-options now occupy.
|
2012-11-19 08:30:30 +08:00
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|
|
first_nonopt += (woptind - last_nonopt);
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last_nonopt = woptind;
|
2005-09-20 21:26:39 +08:00
|
|
|
}
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|
2016-05-04 06:18:24 +08:00
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|
|
// Initialize the internal data when the first call is made.
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|
|
const wchar_t *wgetopter_t::_wgetopt_initialize(const wchar_t *optstring) {
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|
// Start processing options with ARGV-element 1 (since ARGV-element 0 is the program name); the
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|
// sequence of previously skipped non-option ARGV-elements is empty.
|
2012-11-19 08:30:30 +08:00
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|
first_nonopt = last_nonopt = woptind = 1;
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nextchar = NULL;
|
2005-09-20 21:26:39 +08:00
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|
2016-05-04 06:18:24 +08:00
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|
|
// Determine how to handle the ordering of options and nonoptions.
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|
if (optstring[0] == '-') {
|
2012-11-19 08:30:30 +08:00
|
|
|
ordering = RETURN_IN_ORDER;
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|
|
++optstring;
|
2016-05-04 06:18:24 +08:00
|
|
|
} else if (optstring[0] == '+') {
|
2012-11-19 08:30:30 +08:00
|
|
|
ordering = REQUIRE_ORDER;
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|
|
++optstring;
|
2016-05-04 06:18:24 +08:00
|
|
|
} else
|
2012-11-19 08:30:30 +08:00
|
|
|
ordering = PERMUTE;
|
2005-09-20 21:26:39 +08:00
|
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|
|
2012-11-19 08:30:30 +08:00
|
|
|
return optstring;
|
2005-09-20 21:26:39 +08:00
|
|
|
}
|
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|
2016-05-04 06:18:24 +08:00
|
|
|
// Scan elements of ARGV (whose length is ARGC) for option characters given in OPTSTRING.
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//
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|
|
// If an element of ARGV starts with '-', and is not exactly "-" or "--", then it is an option
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|
|
// element. The characters of this element (aside from the initial '-') are option characters. If
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|
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// `getopt' is called repeatedly, it returns successively each of the option characters from each of
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// the option elements.
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//
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// If `getopt' finds another option character, it returns that character, updating `woptind' and
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// `nextchar' so that the next call to `getopt' can resume the scan with the following option
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|
|
// character or ARGV-element.
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//
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|
|
// If there are no more option characters, `getopt' returns `EOF'. Then `woptind' is the index in
|
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|
|
// ARGV of the first ARGV-element that is not an option. (The ARGV-elements have been permuted so
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// that those that are not options now come last.)
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//
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|
|
// OPTSTRING is a string containing the legitimate option characters. If an option character is seen
|
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|
|
// that is not listed in OPTSTRING, return '?' after printing an error message. If you set
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|
|
// `wopterr' to zero, the error message is suppressed but we still return '?'.
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//
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|
// If a char in OPTSTRING is followed by a colon, that means it wants an arg, so the following text
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|
// in the same ARGV-element, or the text of the following ARGV-element, is returned in `optarg'.
|
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|
|
// Two colons mean an option that wants an optional arg; if there is text in the current
|
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|
|
// ARGV-element, it is returned in `w.woptarg', otherwise `w.woptarg' is set to zero.
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//
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|
|
// If OPTSTRING starts with `-' or `+', it requests different methods of handling the non-option
|
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|
|
// ARGV-elements. See the comments about RETURN_IN_ORDER and REQUIRE_ORDER, above.
|
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|
|
//
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|
|
// Long-named options begin with `--' instead of `-'. Their names may be abbreviated as long as the
|
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|
|
// abbreviation is unique or is an exact match for some defined option. If they have an argument,
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|
// it follows the option name in the same ARGV-element, separated from the option name by a `=', or
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|
|
// else the in next ARGV-element. When `getopt' finds a long-named option, it returns 0 if that
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|
|
// option's `flag' field is nonzero, the value of the option's `val' field if the `flag' field is
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|
// zero.
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|
|
//
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|
|
// LONGOPTS is a vector of `struct option' terminated by an element containing a name which is zero.
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|
|
//
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|
|
// LONGIND returns the index in LONGOPT of the long-named option found. It is only valid when a
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|
|
// long-named option has been found by the most recent call.
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|
|
//
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|
|
// If LONG_ONLY is nonzero, '-' as well as '--' can introduce long-named options.
|
|
|
|
int wgetopter_t::_wgetopt_internal(int argc, wchar_t **argv, const wchar_t *optstring,
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|
|
const struct woption *longopts, int *longind, int long_only) {
|
2012-11-19 08:30:30 +08:00
|
|
|
woptarg = NULL;
|
2005-09-20 21:26:39 +08:00
|
|
|
|
2016-05-04 06:18:24 +08:00
|
|
|
if (woptind == 0) optstring = _wgetopt_initialize(optstring);
|
2012-11-18 18:23:22 +08:00
|
|
|
|
2016-05-04 06:18:24 +08:00
|
|
|
if (nextchar == NULL || *nextchar == '\0') {
|
|
|
|
// Advance to the next ARGV-element.
|
|
|
|
if (ordering == PERMUTE) {
|
|
|
|
// If we have just processed some options following some non-options, exchange them so
|
|
|
|
// that the options come first.
|
2012-11-19 08:30:30 +08:00
|
|
|
if (first_nonopt != last_nonopt && last_nonopt != woptind)
|
2016-02-11 03:38:05 +08:00
|
|
|
exchange(argv);
|
2012-11-19 08:30:30 +08:00
|
|
|
else if (last_nonopt != woptind)
|
|
|
|
first_nonopt = woptind;
|
2012-11-18 18:23:22 +08:00
|
|
|
|
2016-05-04 06:18:24 +08:00
|
|
|
// Skip any additional non-options and extend the range of non-options previously
|
|
|
|
// skipped.
|
|
|
|
while (woptind < argc && (argv[woptind][0] != '-' || argv[woptind][1] == '\0'))
|
2012-11-19 08:30:30 +08:00
|
|
|
woptind++;
|
|
|
|
last_nonopt = woptind;
|
|
|
|
}
|
2005-09-20 21:26:39 +08:00
|
|
|
|
2016-05-04 06:18:24 +08:00
|
|
|
// The special ARGV-element `--' means premature end of options. Skip it like a null option,
|
|
|
|
// then exchange with previous non-options as if it were an option, then skip everything
|
|
|
|
// else like a non-option.
|
|
|
|
if (woptind != argc && !wcscmp(argv[woptind], L"--")) {
|
2012-11-19 08:30:30 +08:00
|
|
|
woptind++;
|
2012-11-18 18:23:22 +08:00
|
|
|
|
2012-11-19 08:30:30 +08:00
|
|
|
if (first_nonopt != last_nonopt && last_nonopt != woptind)
|
2016-02-11 03:38:05 +08:00
|
|
|
exchange(argv);
|
2012-11-19 08:30:30 +08:00
|
|
|
else if (first_nonopt == last_nonopt)
|
|
|
|
first_nonopt = woptind;
|
|
|
|
last_nonopt = argc;
|
2012-11-18 18:23:22 +08:00
|
|
|
|
2012-11-19 08:30:30 +08:00
|
|
|
woptind = argc;
|
|
|
|
}
|
2005-09-20 21:26:39 +08:00
|
|
|
|
2016-05-04 06:18:24 +08:00
|
|
|
// If we have done all the ARGV-elements, stop the scan and back over any non-options that
|
|
|
|
// we skipped and permuted.
|
2005-09-20 21:26:39 +08:00
|
|
|
|
2016-05-04 06:18:24 +08:00
|
|
|
if (woptind == argc) {
|
|
|
|
// Set the next-arg-index to point at the non-options that we previously skipped, so the
|
|
|
|
// caller will digest them.
|
|
|
|
if (first_nonopt != last_nonopt) woptind = first_nonopt;
|
2012-11-19 08:30:30 +08:00
|
|
|
return EOF;
|
|
|
|
}
|
2005-09-20 21:26:39 +08:00
|
|
|
|
2016-05-04 06:18:24 +08:00
|
|
|
// If we have come to a non-option and did not permute it, either stop the scan or describe
|
|
|
|
// it to the caller and pass it by.
|
|
|
|
if ((argv[woptind][0] != '-' || argv[woptind][1] == '\0')) {
|
|
|
|
if (ordering == REQUIRE_ORDER) return EOF;
|
2012-11-19 08:30:30 +08:00
|
|
|
woptarg = argv[woptind++];
|
|
|
|
return 1;
|
|
|
|
}
|
2006-01-28 10:17:40 +08:00
|
|
|
|
2016-05-04 06:18:24 +08:00
|
|
|
// We have found another option-ARGV-element. Skip the initial punctuation.
|
|
|
|
nextchar = (argv[woptind] + 1 + (longopts != NULL && argv[woptind][1] == '-'));
|
2012-11-18 18:23:22 +08:00
|
|
|
}
|
|
|
|
|
2016-05-04 06:18:24 +08:00
|
|
|
// Decode the current option-ARGV-element.
|
|
|
|
|
|
|
|
// Check whether the ARGV-element is a long option.
|
|
|
|
//
|
|
|
|
// If long_only and the ARGV-element has the form "-f", where f is a valid short option, don't
|
|
|
|
// consider it an abbreviated form of a long option that starts with f. Otherwise there would
|
|
|
|
// be no way to give the -f short option.
|
|
|
|
//
|
|
|
|
// On the other hand, if there's a long option "fubar" and the ARGV-element is "-fu", do
|
|
|
|
// consider that an abbreviation of the long option, just like "--fu", and not "-f" with arg
|
|
|
|
// "u".
|
|
|
|
//
|
|
|
|
// This distinction seems to be the most useful approach.
|
|
|
|
if (longopts != NULL &&
|
|
|
|
(argv[woptind][1] == '-' ||
|
|
|
|
(long_only && (argv[woptind][2] || !my_index(optstring, argv[woptind][1]))))) {
|
2012-11-19 08:30:30 +08:00
|
|
|
wchar_t *nameend;
|
|
|
|
const struct woption *p;
|
|
|
|
const struct woption *pfound = NULL;
|
|
|
|
int exact = 0;
|
|
|
|
int ambig = 0;
|
2016-05-04 07:23:30 +08:00
|
|
|
int indfound = 0; // set to zero by Anton
|
2012-11-19 08:30:30 +08:00
|
|
|
int option_index;
|
|
|
|
|
2016-06-02 13:03:27 +08:00
|
|
|
for (nameend = nextchar; *nameend && *nameend != '='; nameend++)
|
|
|
|
; //!OCLINT(empty body)
|
2012-11-19 08:30:30 +08:00
|
|
|
|
2016-05-04 06:18:24 +08:00
|
|
|
// Test all long options for either exact match or abbreviated matches.
|
2012-11-19 08:30:30 +08:00
|
|
|
for (p = longopts, option_index = 0; p->name; p++, option_index++)
|
2016-05-04 06:18:24 +08:00
|
|
|
if (!wcsncmp(p->name, nextchar, nameend - nextchar)) {
|
|
|
|
if ((unsigned int)(nameend - nextchar) == (unsigned int)wcslen(p->name)) {
|
|
|
|
// Exact match found.
|
2012-11-19 08:30:30 +08:00
|
|
|
pfound = p;
|
|
|
|
indfound = option_index;
|
|
|
|
exact = 1;
|
|
|
|
break;
|
2016-05-04 06:18:24 +08:00
|
|
|
} else if (pfound == NULL) {
|
|
|
|
// First nonexact match found.
|
2012-11-19 08:30:30 +08:00
|
|
|
pfound = p;
|
|
|
|
indfound = option_index;
|
2016-05-04 06:18:24 +08:00
|
|
|
} else
|
|
|
|
// Second or later nonexact match found.
|
2012-11-19 08:30:30 +08:00
|
|
|
ambig = 1;
|
|
|
|
}
|
|
|
|
|
2016-05-04 06:18:24 +08:00
|
|
|
if (ambig && !exact) {
|
2012-11-19 08:30:30 +08:00
|
|
|
if (wopterr)
|
2016-05-04 06:18:24 +08:00
|
|
|
fwprintf(stderr, _(L"%ls: Option '%ls' is ambiguous\n"), argv[0], argv[woptind]);
|
2012-11-19 08:30:30 +08:00
|
|
|
nextchar += wcslen(nextchar);
|
|
|
|
woptind++;
|
|
|
|
return '?';
|
2012-11-18 18:23:22 +08:00
|
|
|
}
|
|
|
|
|
2016-05-04 06:18:24 +08:00
|
|
|
if (pfound != NULL) {
|
2012-11-19 08:30:30 +08:00
|
|
|
option_index = indfound;
|
|
|
|
woptind++;
|
2016-05-04 06:18:24 +08:00
|
|
|
if (*nameend) {
|
|
|
|
// Don't test has_arg with >, because some C compilers don't allow it to be used on
|
|
|
|
// enums.
|
2012-11-19 08:30:30 +08:00
|
|
|
if (pfound->has_arg)
|
|
|
|
woptarg = nameend + 1;
|
2016-05-04 06:18:24 +08:00
|
|
|
else {
|
|
|
|
if (wopterr) {
|
2016-05-04 07:23:30 +08:00
|
|
|
if (argv[woptind - 1][1] == '-') // --option
|
2016-05-04 06:18:24 +08:00
|
|
|
fwprintf(stderr, _(L"%ls: Option '--%ls' doesn't allow an argument\n"),
|
2012-11-19 08:30:30 +08:00
|
|
|
argv[0], pfound->name);
|
|
|
|
else
|
2016-05-04 06:18:24 +08:00
|
|
|
// +option or -option
|
|
|
|
fwprintf(stderr, _(L"%ls: Option '%lc%ls' doesn't allow an argument\n"),
|
2012-11-19 08:30:30 +08:00
|
|
|
argv[0], argv[woptind - 1][0], pfound->name);
|
|
|
|
}
|
|
|
|
nextchar += wcslen(nextchar);
|
|
|
|
return '?';
|
|
|
|
}
|
2016-05-04 06:18:24 +08:00
|
|
|
} else if (pfound->has_arg == 1) {
|
2012-11-19 08:30:30 +08:00
|
|
|
if (woptind < argc)
|
|
|
|
woptarg = argv[woptind++];
|
2016-05-04 06:18:24 +08:00
|
|
|
else {
|
2012-11-19 08:30:30 +08:00
|
|
|
if (wopterr)
|
2016-05-04 06:18:24 +08:00
|
|
|
fwprintf(stderr, _(L"%ls: Option '%ls' requires an argument\n"), argv[0],
|
|
|
|
argv[woptind - 1]);
|
2012-11-19 08:30:30 +08:00
|
|
|
nextchar += wcslen(nextchar);
|
|
|
|
return optstring[0] == ':' ? ':' : '?';
|
|
|
|
}
|
|
|
|
}
|
|
|
|
nextchar += wcslen(nextchar);
|
2016-05-04 06:18:24 +08:00
|
|
|
if (longind != NULL) *longind = option_index;
|
|
|
|
if (pfound->flag) {
|
2012-11-19 08:30:30 +08:00
|
|
|
*(pfound->flag) = pfound->val;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
return pfound->val;
|
2012-11-18 18:23:22 +08:00
|
|
|
}
|
2012-11-19 08:30:30 +08:00
|
|
|
|
2016-05-04 06:18:24 +08:00
|
|
|
// Can't find it as a long option. If this is not getopt_long_only, or the option starts
|
|
|
|
// with '--' or is not a valid short option, then it's an error. Otherwise interpret it as a
|
|
|
|
// short option.
|
|
|
|
if (!long_only || argv[woptind][1] == '-' || my_index(optstring, *nextchar) == NULL) {
|
|
|
|
if (wopterr) {
|
2016-05-04 07:23:30 +08:00
|
|
|
if (argv[woptind][1] == '-') // --option
|
2016-05-04 06:18:24 +08:00
|
|
|
fwprintf(stderr, _(L"%ls: Unrecognized option '--%ls'\n"), argv[0], nextchar);
|
2012-11-19 08:30:30 +08:00
|
|
|
else
|
2016-05-04 06:18:24 +08:00
|
|
|
// +option or -option
|
|
|
|
fwprintf(stderr, _(L"%ls: Unrecognized option '%lc%ls'\n"), argv[0],
|
|
|
|
argv[woptind][0], nextchar);
|
2012-11-19 08:30:30 +08:00
|
|
|
}
|
2016-05-04 06:18:24 +08:00
|
|
|
nextchar = (wchar_t *)L"";
|
2012-11-19 08:30:30 +08:00
|
|
|
woptind++;
|
|
|
|
return '?';
|
2012-11-18 18:23:22 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2016-05-04 06:18:24 +08:00
|
|
|
// Look at and handle the next short option-character.
|
2012-11-19 08:30:30 +08:00
|
|
|
{
|
|
|
|
wchar_t c = *nextchar++;
|
2016-05-04 06:18:24 +08:00
|
|
|
wchar_t *temp = const_cast<wchar_t *>(my_index(optstring, c));
|
2012-11-18 18:23:22 +08:00
|
|
|
|
2016-05-04 06:18:24 +08:00
|
|
|
// Increment `woptind' when we start to process its last character.
|
|
|
|
if (*nextchar == '\0') ++woptind;
|
2012-11-18 18:23:22 +08:00
|
|
|
|
2016-05-04 06:18:24 +08:00
|
|
|
if (temp == NULL || c == ':') {
|
|
|
|
if (wopterr) {
|
2016-04-05 05:34:28 +08:00
|
|
|
fwprintf(stderr, _(L"%ls: Invalid option -- %lc\n"), argv[0], (wint_t)c);
|
2012-11-19 08:30:30 +08:00
|
|
|
}
|
|
|
|
woptopt = c;
|
2014-07-02 19:34:58 +08:00
|
|
|
|
2016-05-04 06:18:24 +08:00
|
|
|
if (*nextchar != '\0') woptind++;
|
2014-07-02 19:34:58 +08:00
|
|
|
|
2012-11-19 08:30:30 +08:00
|
|
|
return '?';
|
2012-11-18 18:23:22 +08:00
|
|
|
}
|
2016-05-04 06:18:24 +08:00
|
|
|
if (temp[1] == ':') {
|
|
|
|
if (temp[2] == ':') {
|
|
|
|
// This is an option that accepts an argument optionally.
|
|
|
|
if (*nextchar != '\0') {
|
2012-11-19 08:30:30 +08:00
|
|
|
woptarg = nextchar;
|
|
|
|
woptind++;
|
2016-05-04 06:18:24 +08:00
|
|
|
} else
|
2012-11-19 08:30:30 +08:00
|
|
|
woptarg = NULL;
|
|
|
|
nextchar = NULL;
|
2016-05-04 06:18:24 +08:00
|
|
|
} else {
|
|
|
|
// This is an option that requires an argument.
|
|
|
|
if (*nextchar != '\0') {
|
2012-11-19 08:30:30 +08:00
|
|
|
woptarg = nextchar;
|
2016-05-04 06:18:24 +08:00
|
|
|
// If we end this ARGV-element by taking the rest as an arg, we must advance to
|
|
|
|
// the next element now.
|
2012-11-19 08:30:30 +08:00
|
|
|
woptind++;
|
2016-05-04 06:18:24 +08:00
|
|
|
} else if (woptind == argc) {
|
|
|
|
if (wopterr) {
|
|
|
|
// 1003.2 specifies the format of this message.
|
|
|
|
fwprintf(stderr, _(L"%ls: Option requires an argument -- %lc\n"), argv[0],
|
|
|
|
(wint_t)c);
|
2012-11-19 08:30:30 +08:00
|
|
|
}
|
|
|
|
woptopt = c;
|
|
|
|
if (optstring[0] == ':')
|
|
|
|
c = ':';
|
|
|
|
else
|
|
|
|
c = '?';
|
2016-05-04 06:18:24 +08:00
|
|
|
} else
|
|
|
|
// We already incremented `woptind' once; increment it again when taking next
|
|
|
|
// ARGV-elt as argument.
|
2012-11-19 08:30:30 +08:00
|
|
|
woptarg = argv[woptind++];
|
|
|
|
nextchar = NULL;
|
|
|
|
}
|
2012-11-18 18:23:22 +08:00
|
|
|
}
|
2012-11-19 08:30:30 +08:00
|
|
|
return c;
|
2012-11-18 18:23:22 +08:00
|
|
|
}
|
2005-09-20 21:26:39 +08:00
|
|
|
}
|
|
|
|
|
2016-05-04 06:18:24 +08:00
|
|
|
int wgetopter_t::wgetopt_long(int argc, wchar_t **argv, const wchar_t *options,
|
|
|
|
const struct woption *long_options, int *opt_index) {
|
2012-11-19 08:30:30 +08:00
|
|
|
return _wgetopt_internal(argc, argv, options, long_options, opt_index, 0);
|
2005-09-20 21:26:39 +08:00
|
|
|
}
|
|
|
|
|
2016-05-04 06:18:24 +08:00
|
|
|
int wgetopter_t::wgetopt_long_only(int argc, wchar_t **argv, const wchar_t *options,
|
|
|
|
const struct woption *long_options, int *opt_index) {
|
2012-11-19 08:30:30 +08:00
|
|
|
return _wgetopt_internal(argc, argv, options, long_options, opt_index, 1);
|
2005-09-20 21:26:39 +08:00
|
|
|
}
|