/* Hierarchial argument parsing help output
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/* Hierarchial argument parsing help output
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Copyright (C) 1995-2000, 2001 Free Software Foundation, Inc.
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Copyright (C) 1995-2000, 2001 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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This file is part of the GNU C Library.
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Written by Miles Bader <miles@gnu.ai.mit.edu>.
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Written by Miles Bader <miles@gnu.ai.mit.edu>.
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|
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The GNU C Library is free software; you can redistribute it and/or
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The GNU C Library is free software; you can redistribute it and/or
|
modify it under the terms of the GNU Lesser General Public
|
modify it under the terms of the GNU Lesser General Public
|
License as published by the Free Software Foundation; either
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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version 2.1 of the License, or (at your option) any later version.
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|
|
The GNU C Library is distributed in the hope that it will be useful,
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The GNU C Library is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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Lesser General Public License for more details.
|
|
|
You should have received a copy of the GNU Lesser General Public
|
You should have received a copy of the GNU Lesser General Public
|
License along with the GNU C Library; if not, write to the Free
|
License along with the GNU C Library; if not, write to the Free
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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02111-1307 USA. */
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|
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#ifndef _GNU_SOURCE
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#ifndef _GNU_SOURCE
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# define _GNU_SOURCE 1
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# define _GNU_SOURCE 1
|
#endif
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#endif
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|
|
#ifdef HAVE_CONFIG_H
|
#ifdef HAVE_CONFIG_H
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#include <config.h>
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#include <config.h>
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#endif
|
#endif
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|
|
#ifndef alloca
|
#ifndef alloca
|
# ifdef __GNUC__
|
# ifdef __GNUC__
|
# define alloca __builtin_alloca
|
# define alloca __builtin_alloca
|
# define HAVE_ALLOCA 1
|
# define HAVE_ALLOCA 1
|
# else
|
# else
|
# if defined HAVE_ALLOCA_H || defined _LIBC
|
# if defined HAVE_ALLOCA_H || defined _LIBC
|
# include <alloca.h>
|
# include <alloca.h>
|
# else
|
# else
|
# ifdef _AIX
|
# ifdef _AIX
|
#pragma alloca
|
#pragma alloca
|
# else
|
# else
|
# ifndef alloca
|
# ifndef alloca
|
char *alloca ();
|
char *alloca ();
|
# endif
|
# endif
|
# endif
|
# endif
|
# endif
|
# endif
|
# endif
|
# endif
|
#endif
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#endif
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|
|
#include <stddef.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <stdlib.h>
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#include <string.h>
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#include <string.h>
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#include <assert.h>
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#include <assert.h>
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#include <stdarg.h>
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#include <stdarg.h>
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#include <malloc.h>
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#include <malloc.h>
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#include <ctype.h>
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#include <ctype.h>
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#ifdef USE_IN_LIBIO
|
#ifdef USE_IN_LIBIO
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# include <wchar.h>
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# include <wchar.h>
|
#endif
|
#endif
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|
|
#ifndef _
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#ifndef _
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/* This is for other GNU distributions with internationalized messages. */
|
/* This is for other GNU distributions with internationalized messages. */
|
# if defined HAVE_LIBINTL_H || defined _LIBC
|
# if defined HAVE_LIBINTL_H || defined _LIBC
|
# include <libintl.h>
|
# include <libintl.h>
|
# ifdef _LIBC
|
# ifdef _LIBC
|
# undef dgettext
|
# undef dgettext
|
# define dgettext(domain, msgid) __dcgettext (domain, msgid, LC_MESSAGES)
|
# define dgettext(domain, msgid) __dcgettext (domain, msgid, LC_MESSAGES)
|
# endif
|
# endif
|
# else
|
# else
|
# define dgettext(domain, msgid) (msgid)
|
# define dgettext(domain, msgid) (msgid)
|
# endif
|
# endif
|
#endif
|
#endif
|
|
|
#include <argp.h>
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#include <argp.h>
|
#include "argp-fmtstream.h"
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#include "argp-fmtstream.h"
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#include "argp-namefrob.h"
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#include "argp-namefrob.h"
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|
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/* User-selectable (using an environment variable) formatting parameters.
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/* User-selectable (using an environment variable) formatting parameters.
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|
|
These may be specified in an environment variable called `ARGP_HELP_FMT',
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These may be specified in an environment variable called `ARGP_HELP_FMT',
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with a contents like: VAR1=VAL1,VAR2=VAL2,BOOLVAR2,no-BOOLVAR2
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with a contents like: VAR1=VAL1,VAR2=VAL2,BOOLVAR2,no-BOOLVAR2
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Where VALn must be a positive integer. The list of variables is in the
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Where VALn must be a positive integer. The list of variables is in the
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UPARAM_NAMES vector, below. */
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UPARAM_NAMES vector, below. */
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|
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/* Default parameters. */
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/* Default parameters. */
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#define DUP_ARGS 0 /* True if option argument can be duplicated. */
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#define DUP_ARGS 0 /* True if option argument can be duplicated. */
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#define DUP_ARGS_NOTE 1 /* True to print a note about duplicate args. */
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#define DUP_ARGS_NOTE 1 /* True to print a note about duplicate args. */
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#define SHORT_OPT_COL 2 /* column in which short options start */
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#define SHORT_OPT_COL 2 /* column in which short options start */
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#define LONG_OPT_COL 6 /* column in which long options start */
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#define LONG_OPT_COL 6 /* column in which long options start */
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#define DOC_OPT_COL 2 /* column in which doc options start */
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#define DOC_OPT_COL 2 /* column in which doc options start */
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#define OPT_DOC_COL 29 /* column in which option text starts */
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#define OPT_DOC_COL 29 /* column in which option text starts */
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#define HEADER_COL 1 /* column in which group headers are printed */
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#define HEADER_COL 1 /* column in which group headers are printed */
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#define USAGE_INDENT 12 /* indentation of wrapped usage lines */
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#define USAGE_INDENT 12 /* indentation of wrapped usage lines */
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#define RMARGIN 79 /* right margin used for wrapping */
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#define RMARGIN 79 /* right margin used for wrapping */
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|
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/* User-selectable (using an environment variable) formatting parameters.
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/* User-selectable (using an environment variable) formatting parameters.
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They must all be of type `int' for the parsing code to work. */
|
They must all be of type `int' for the parsing code to work. */
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struct uparams
|
struct uparams
|
{
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{
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/* If true, arguments for an option are shown with both short and long
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/* If true, arguments for an option are shown with both short and long
|
options, even when a given option has both, e.g. `-x ARG, --longx=ARG'.
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options, even when a given option has both, e.g. `-x ARG, --longx=ARG'.
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If false, then if an option has both, the argument is only shown with
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If false, then if an option has both, the argument is only shown with
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the long one, e.g., `-x, --longx=ARG', and a message indicating that
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the long one, e.g., `-x, --longx=ARG', and a message indicating that
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this really means both is printed below the options. */
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this really means both is printed below the options. */
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int dup_args;
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int dup_args;
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|
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/* This is true if when DUP_ARGS is false, and some duplicate arguments have
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/* This is true if when DUP_ARGS is false, and some duplicate arguments have
|
been suppressed, an explanatory message should be printed. */
|
been suppressed, an explanatory message should be printed. */
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int dup_args_note;
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int dup_args_note;
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|
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/* Various output columns. */
|
/* Various output columns. */
|
int short_opt_col;
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int short_opt_col;
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int long_opt_col;
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int long_opt_col;
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int doc_opt_col;
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int doc_opt_col;
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int opt_doc_col;
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int opt_doc_col;
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int header_col;
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int header_col;
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int usage_indent;
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int usage_indent;
|
int rmargin;
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int rmargin;
|
|
|
int valid; /* True when the values in here are valid. */
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int valid; /* True when the values in here are valid. */
|
};
|
};
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|
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/* This is a global variable, as user options are only ever read once. */
|
/* This is a global variable, as user options are only ever read once. */
|
static struct uparams uparams = {
|
static struct uparams uparams = {
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DUP_ARGS, DUP_ARGS_NOTE,
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DUP_ARGS, DUP_ARGS_NOTE,
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SHORT_OPT_COL, LONG_OPT_COL, DOC_OPT_COL, OPT_DOC_COL, HEADER_COL,
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SHORT_OPT_COL, LONG_OPT_COL, DOC_OPT_COL, OPT_DOC_COL, HEADER_COL,
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USAGE_INDENT, RMARGIN,
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USAGE_INDENT, RMARGIN,
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0
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0
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};
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};
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|
|
/* A particular uparam, and what the user name is. */
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/* A particular uparam, and what the user name is. */
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struct uparam_name
|
struct uparam_name
|
{
|
{
|
const char *name; /* User name. */
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const char *name; /* User name. */
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int is_bool; /* Whether it's `boolean'. */
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int is_bool; /* Whether it's `boolean'. */
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size_t uparams_offs; /* Location of the (int) field in UPARAMS. */
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size_t uparams_offs; /* Location of the (int) field in UPARAMS. */
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};
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};
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|
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/* The name-field mappings we know about. */
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/* The name-field mappings we know about. */
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static const struct uparam_name uparam_names[] =
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static const struct uparam_name uparam_names[] =
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{
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{
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{ "dup-args", 1, offsetof (struct uparams, dup_args) },
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{ "dup-args", 1, offsetof (struct uparams, dup_args) },
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{ "dup-args-note", 1, offsetof (struct uparams, dup_args_note) },
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{ "dup-args-note", 1, offsetof (struct uparams, dup_args_note) },
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{ "short-opt-col", 0, offsetof (struct uparams, short_opt_col) },
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{ "short-opt-col", 0, offsetof (struct uparams, short_opt_col) },
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{ "long-opt-col", 0, offsetof (struct uparams, long_opt_col) },
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{ "long-opt-col", 0, offsetof (struct uparams, long_opt_col) },
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{ "doc-opt-col", 0, offsetof (struct uparams, doc_opt_col) },
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{ "doc-opt-col", 0, offsetof (struct uparams, doc_opt_col) },
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{ "opt-doc-col", 0, offsetof (struct uparams, opt_doc_col) },
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{ "opt-doc-col", 0, offsetof (struct uparams, opt_doc_col) },
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{ "header-col", 0, offsetof (struct uparams, header_col) },
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{ "header-col", 0, offsetof (struct uparams, header_col) },
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{ "usage-indent", 0, offsetof (struct uparams, usage_indent) },
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{ "usage-indent", 0, offsetof (struct uparams, usage_indent) },
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{ "rmargin", 0, offsetof (struct uparams, rmargin) },
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{ "rmargin", 0, offsetof (struct uparams, rmargin) },
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{ 0 }
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{ 0 }
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};
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};
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|
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/* Read user options from the environment, and fill in UPARAMS appropiately. */
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/* Read user options from the environment, and fill in UPARAMS appropiately. */
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static void
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static void
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fill_in_uparams (const struct argp_state *state)
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fill_in_uparams (const struct argp_state *state)
|
{
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{
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const char *var = getenv ("ARGP_HELP_FMT");
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const char *var = getenv ("ARGP_HELP_FMT");
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|
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#define SKIPWS(p) do { while (isspace (*p)) p++; } while (0);
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#define SKIPWS(p) do { while (isspace (*p)) p++; } while (0);
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|
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if (var)
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if (var)
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/* Parse var. */
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/* Parse var. */
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while (*var)
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while (*var)
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{
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{
|
SKIPWS (var);
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SKIPWS (var);
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|
|
if (isalpha (*var))
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if (isalpha (*var))
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{
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{
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size_t var_len;
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size_t var_len;
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const struct uparam_name *un;
|
const struct uparam_name *un;
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int unspec = 0, val = 0;
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int unspec = 0, val = 0;
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const char *arg = var;
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const char *arg = var;
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|
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while (isalnum (*arg) || *arg == '-' || *arg == '_')
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while (isalnum (*arg) || *arg == '-' || *arg == '_')
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arg++;
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arg++;
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var_len = arg - var;
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var_len = arg - var;
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|
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SKIPWS (arg);
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SKIPWS (arg);
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|
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if (*arg == '\0' || *arg == ',')
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if (*arg == '\0' || *arg == ',')
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unspec = 1;
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unspec = 1;
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else if (*arg == '=')
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else if (*arg == '=')
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{
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{
|
arg++;
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arg++;
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SKIPWS (arg);
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SKIPWS (arg);
|
}
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}
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|
|
if (unspec)
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if (unspec)
|
{
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{
|
if (var[0] == 'n' && var[1] == 'o' && var[2] == '-')
|
if (var[0] == 'n' && var[1] == 'o' && var[2] == '-')
|
{
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{
|
val = 0;
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val = 0;
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var += 3;
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var += 3;
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var_len -= 3;
|
var_len -= 3;
|
}
|
}
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else
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else
|
val = 1;
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val = 1;
|
}
|
}
|
else if (isdigit (*arg))
|
else if (isdigit (*arg))
|
{
|
{
|
val = atoi (arg);
|
val = atoi (arg);
|
while (isdigit (*arg))
|
while (isdigit (*arg))
|
arg++;
|
arg++;
|
SKIPWS (arg);
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SKIPWS (arg);
|
}
|
}
|
|
|
for (un = uparam_names; un->name; un++)
|
for (un = uparam_names; un->name; un++)
|
if (strlen (un->name) == var_len
|
if (strlen (un->name) == var_len
|
&& strncmp (var, un->name, var_len) == 0)
|
&& strncmp (var, un->name, var_len) == 0)
|
{
|
{
|
if (unspec && !un->is_bool)
|
if (unspec && !un->is_bool)
|
__argp_failure (state, 0, 0,
|
__argp_failure (state, 0, 0,
|
dgettext (state->root_argp->argp_domain, "\
|
dgettext (state->root_argp->argp_domain, "\
|
%.*s: ARGP_HELP_FMT parameter requires a value"),
|
%.*s: ARGP_HELP_FMT parameter requires a value"),
|
(int) var_len, var);
|
(int) var_len, var);
|
else
|
else
|
*(int *)((char *)&uparams + un->uparams_offs) = val;
|
*(int *)((char *)&uparams + un->uparams_offs) = val;
|
break;
|
break;
|
}
|
}
|
if (! un->name)
|
if (! un->name)
|
__argp_failure (state, 0, 0,
|
__argp_failure (state, 0, 0,
|
dgettext (state->root_argp->argp_domain, "\
|
dgettext (state->root_argp->argp_domain, "\
|
%.*s: Unknown ARGP_HELP_FMT parameter"),
|
%.*s: Unknown ARGP_HELP_FMT parameter"),
|
(int) var_len, var);
|
(int) var_len, var);
|
|
|
var = arg;
|
var = arg;
|
if (*var == ',')
|
if (*var == ',')
|
var++;
|
var++;
|
}
|
}
|
else if (*var)
|
else if (*var)
|
{
|
{
|
__argp_failure (state, 0, 0,
|
__argp_failure (state, 0, 0,
|
dgettext (state->root_argp->argp_domain,
|
dgettext (state->root_argp->argp_domain,
|
"Garbage in ARGP_HELP_FMT: %s"), var);
|
"Garbage in ARGP_HELP_FMT: %s"), var);
|
break;
|
break;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
/* Returns true if OPT hasn't been marked invisible. Visibility only affects
|
/* Returns true if OPT hasn't been marked invisible. Visibility only affects
|
whether OPT is displayed or used in sorting, not option shadowing. */
|
whether OPT is displayed or used in sorting, not option shadowing. */
|
#define ovisible(opt) (! ((opt)->flags & OPTION_HIDDEN))
|
#define ovisible(opt) (! ((opt)->flags & OPTION_HIDDEN))
|
|
|
/* Returns true if OPT is an alias for an earlier option. */
|
/* Returns true if OPT is an alias for an earlier option. */
|
#define oalias(opt) ((opt)->flags & OPTION_ALIAS)
|
#define oalias(opt) ((opt)->flags & OPTION_ALIAS)
|
|
|
/* Returns true if OPT is an documentation-only entry. */
|
/* Returns true if OPT is an documentation-only entry. */
|
#define odoc(opt) ((opt)->flags & OPTION_DOC)
|
#define odoc(opt) ((opt)->flags & OPTION_DOC)
|
|
|
/* Returns true if OPT is the end-of-list marker for a list of options. */
|
/* Returns true if OPT is the end-of-list marker for a list of options. */
|
#define oend(opt) __option_is_end (opt)
|
#define oend(opt) __option_is_end (opt)
|
|
|
/* Returns true if OPT has a short option. */
|
/* Returns true if OPT has a short option. */
|
#define oshort(opt) __option_is_short (opt)
|
#define oshort(opt) __option_is_short (opt)
|
|
|
/*
|
/*
|
The help format for a particular option is like:
|
The help format for a particular option is like:
|
|
|
-xARG, -yARG, --long1=ARG, --long2=ARG Documentation...
|
-xARG, -yARG, --long1=ARG, --long2=ARG Documentation...
|
|
|
Where ARG will be omitted if there's no argument, for this option, or
|
Where ARG will be omitted if there's no argument, for this option, or
|
will be surrounded by "[" and "]" appropiately if the argument is
|
will be surrounded by "[" and "]" appropiately if the argument is
|
optional. The documentation string is word-wrapped appropiately, and if
|
optional. The documentation string is word-wrapped appropiately, and if
|
the list of options is long enough, it will be started on a separate line.
|
the list of options is long enough, it will be started on a separate line.
|
If there are no short options for a given option, the first long option is
|
If there are no short options for a given option, the first long option is
|
indented slighly in a way that's supposed to make most long options appear
|
indented slighly in a way that's supposed to make most long options appear
|
to be in a separate column.
|
to be in a separate column.
|
|
|
For example, the following output (from ps):
|
For example, the following output (from ps):
|
|
|
-p PID, --pid=PID List the process PID
|
-p PID, --pid=PID List the process PID
|
--pgrp=PGRP List processes in the process group PGRP
|
--pgrp=PGRP List processes in the process group PGRP
|
-P, -x, --no-parent Include processes without parents
|
-P, -x, --no-parent Include processes without parents
|
-Q, --all-fields Don't elide unusable fields (normally if there's
|
-Q, --all-fields Don't elide unusable fields (normally if there's
|
some reason ps can't print a field for any
|
some reason ps can't print a field for any
|
process, it's removed from the output entirely)
|
process, it's removed from the output entirely)
|
-r, --reverse, --gratuitously-long-reverse-option
|
-r, --reverse, --gratuitously-long-reverse-option
|
Reverse the order of any sort
|
Reverse the order of any sort
|
--session[=SID] Add the processes from the session SID (which
|
--session[=SID] Add the processes from the session SID (which
|
defaults to the sid of the current process)
|
defaults to the sid of the current process)
|
|
|
Here are some more options:
|
Here are some more options:
|
-f ZOT, --foonly=ZOT Glork a foonly
|
-f ZOT, --foonly=ZOT Glork a foonly
|
-z, --zaza Snit a zar
|
-z, --zaza Snit a zar
|
|
|
-?, --help Give this help list
|
-?, --help Give this help list
|
--usage Give a short usage message
|
--usage Give a short usage message
|
-V, --version Print program version
|
-V, --version Print program version
|
|
|
The struct argp_option array for the above could look like:
|
The struct argp_option array for the above could look like:
|
|
|
{
|
{
|
{"pid", 'p', "PID", 0, "List the process PID"},
|
{"pid", 'p', "PID", 0, "List the process PID"},
|
{"pgrp", OPT_PGRP, "PGRP", 0, "List processes in the process group PGRP"},
|
{"pgrp", OPT_PGRP, "PGRP", 0, "List processes in the process group PGRP"},
|
{"no-parent", 'P', 0, 0, "Include processes without parents"},
|
{"no-parent", 'P', 0, 0, "Include processes without parents"},
|
{0, 'x', 0, OPTION_ALIAS},
|
{0, 'x', 0, OPTION_ALIAS},
|
{"all-fields",'Q', 0, 0, "Don't elide unusable fields (normally"
|
{"all-fields",'Q', 0, 0, "Don't elide unusable fields (normally"
|
" if there's some reason ps can't"
|
" if there's some reason ps can't"
|
" print a field for any process, it's"
|
" print a field for any process, it's"
|
" removed from the output entirely)" },
|
" removed from the output entirely)" },
|
{"reverse", 'r', 0, 0, "Reverse the order of any sort"},
|
{"reverse", 'r', 0, 0, "Reverse the order of any sort"},
|
{"gratuitously-long-reverse-option", 0, 0, OPTION_ALIAS},
|
{"gratuitously-long-reverse-option", 0, 0, OPTION_ALIAS},
|
{"session", OPT_SESS, "SID", OPTION_ARG_OPTIONAL,
|
{"session", OPT_SESS, "SID", OPTION_ARG_OPTIONAL,
|
"Add the processes from the session"
|
"Add the processes from the session"
|
" SID (which defaults to the sid of"
|
" SID (which defaults to the sid of"
|
" the current process)" },
|
" the current process)" },
|
|
|
{0,0,0,0, "Here are some more options:"},
|
{0,0,0,0, "Here are some more options:"},
|
{"foonly", 'f', "ZOT", 0, "Glork a foonly"},
|
{"foonly", 'f', "ZOT", 0, "Glork a foonly"},
|
{"zaza", 'z', 0, 0, "Snit a zar"},
|
{"zaza", 'z', 0, 0, "Snit a zar"},
|
|
|
{0}
|
{0}
|
}
|
}
|
|
|
Note that the last three options are automatically supplied by argp_parse,
|
Note that the last three options are automatically supplied by argp_parse,
|
unless you tell it not to with ARGP_NO_HELP.
|
unless you tell it not to with ARGP_NO_HELP.
|
|
|
*/
|
*/
|
|
|
/* Returns true if CH occurs between BEG and END. */
|
/* Returns true if CH occurs between BEG and END. */
|
static int
|
static int
|
find_char (char ch, char *beg, char *end)
|
find_char (char ch, char *beg, char *end)
|
{
|
{
|
while (beg < end)
|
while (beg < end)
|
if (*beg == ch)
|
if (*beg == ch)
|
return 1;
|
return 1;
|
else
|
else
|
beg++;
|
beg++;
|
return 0;
|
return 0;
|
}
|
}
|
|
|
struct hol_cluster; /* fwd decl */
|
struct hol_cluster; /* fwd decl */
|
|
|
struct hol_entry
|
struct hol_entry
|
{
|
{
|
/* First option. */
|
/* First option. */
|
const struct argp_option *opt;
|
const struct argp_option *opt;
|
/* Number of options (including aliases). */
|
/* Number of options (including aliases). */
|
unsigned num;
|
unsigned num;
|
|
|
/* A pointers into the HOL's short_options field, to the first short option
|
/* A pointers into the HOL's short_options field, to the first short option
|
letter for this entry. The order of the characters following this point
|
letter for this entry. The order of the characters following this point
|
corresponds to the order of options pointed to by OPT, and there are at
|
corresponds to the order of options pointed to by OPT, and there are at
|
most NUM. A short option recorded in a option following OPT is only
|
most NUM. A short option recorded in a option following OPT is only
|
valid if it occurs in the right place in SHORT_OPTIONS (otherwise it's
|
valid if it occurs in the right place in SHORT_OPTIONS (otherwise it's
|
probably been shadowed by some other entry). */
|
probably been shadowed by some other entry). */
|
char *short_options;
|
char *short_options;
|
|
|
/* Entries are sorted by their group first, in the order:
|
/* Entries are sorted by their group first, in the order:
|
1, 2, ..., n, 0, -m, ..., -2, -1
|
1, 2, ..., n, 0, -m, ..., -2, -1
|
and then alphabetically within each group. The default is 0. */
|
and then alphabetically within each group. The default is 0. */
|
int group;
|
int group;
|
|
|
/* The cluster of options this entry belongs to, or 0 if none. */
|
/* The cluster of options this entry belongs to, or 0 if none. */
|
struct hol_cluster *cluster;
|
struct hol_cluster *cluster;
|
|
|
/* The argp from which this option came. */
|
/* The argp from which this option came. */
|
const struct argp *argp;
|
const struct argp *argp;
|
};
|
};
|
|
|
/* A cluster of entries to reflect the argp tree structure. */
|
/* A cluster of entries to reflect the argp tree structure. */
|
struct hol_cluster
|
struct hol_cluster
|
{
|
{
|
/* A descriptive header printed before options in this cluster. */
|
/* A descriptive header printed before options in this cluster. */
|
const char *header;
|
const char *header;
|
|
|
/* Used to order clusters within the same group with the same parent,
|
/* Used to order clusters within the same group with the same parent,
|
according to the order in which they occurred in the parent argp's child
|
according to the order in which they occurred in the parent argp's child
|
list. */
|
list. */
|
int index;
|
int index;
|
|
|
/* How to sort this cluster with respect to options and other clusters at the
|
/* How to sort this cluster with respect to options and other clusters at the
|
same depth (clusters always follow options in the same group). */
|
same depth (clusters always follow options in the same group). */
|
int group;
|
int group;
|
|
|
/* The cluster to which this cluster belongs, or 0 if it's at the base
|
/* The cluster to which this cluster belongs, or 0 if it's at the base
|
level. */
|
level. */
|
struct hol_cluster *parent;
|
struct hol_cluster *parent;
|
|
|
/* The argp from which this cluster is (eventually) derived. */
|
/* The argp from which this cluster is (eventually) derived. */
|
const struct argp *argp;
|
const struct argp *argp;
|
|
|
/* The distance this cluster is from the root. */
|
/* The distance this cluster is from the root. */
|
int depth;
|
int depth;
|
|
|
/* Clusters in a given hol are kept in a linked list, to make freeing them
|
/* Clusters in a given hol are kept in a linked list, to make freeing them
|
possible. */
|
possible. */
|
struct hol_cluster *next;
|
struct hol_cluster *next;
|
};
|
};
|
|
|
/* A list of options for help. */
|
/* A list of options for help. */
|
struct hol
|
struct hol
|
{
|
{
|
/* An array of hol_entry's. */
|
/* An array of hol_entry's. */
|
struct hol_entry *entries;
|
struct hol_entry *entries;
|
/* The number of entries in this hol. If this field is zero, the others
|
/* The number of entries in this hol. If this field is zero, the others
|
are undefined. */
|
are undefined. */
|
unsigned num_entries;
|
unsigned num_entries;
|
|
|
/* A string containing all short options in this HOL. Each entry contains
|
/* A string containing all short options in this HOL. Each entry contains
|
pointers into this string, so the order can't be messed with blindly. */
|
pointers into this string, so the order can't be messed with blindly. */
|
char *short_options;
|
char *short_options;
|
|
|
/* Clusters of entries in this hol. */
|
/* Clusters of entries in this hol. */
|
struct hol_cluster *clusters;
|
struct hol_cluster *clusters;
|
};
|
};
|
|
|
/* Create a struct hol from the options in ARGP. CLUSTER is the
|
/* Create a struct hol from the options in ARGP. CLUSTER is the
|
hol_cluster in which these entries occur, or 0, if at the root. */
|
hol_cluster in which these entries occur, or 0, if at the root. */
|
static struct hol *
|
static struct hol *
|
make_hol (const struct argp *argp, struct hol_cluster *cluster)
|
make_hol (const struct argp *argp, struct hol_cluster *cluster)
|
{
|
{
|
char *so;
|
char *so;
|
const struct argp_option *o;
|
const struct argp_option *o;
|
const struct argp_option *opts = argp->options;
|
const struct argp_option *opts = argp->options;
|
struct hol_entry *entry;
|
struct hol_entry *entry;
|
unsigned num_short_options = 0;
|
unsigned num_short_options = 0;
|
struct hol *hol = malloc (sizeof (struct hol));
|
struct hol *hol = malloc (sizeof (struct hol));
|
|
|
assert (hol);
|
assert (hol);
|
|
|
hol->num_entries = 0;
|
hol->num_entries = 0;
|
hol->clusters = 0;
|
hol->clusters = 0;
|
|
|
if (opts)
|
if (opts)
|
{
|
{
|
int cur_group = 0;
|
int cur_group = 0;
|
|
|
/* The first option must not be an alias. */
|
/* The first option must not be an alias. */
|
assert (! oalias (opts));
|
assert (! oalias (opts));
|
|
|
/* Calculate the space needed. */
|
/* Calculate the space needed. */
|
for (o = opts; ! oend (o); o++)
|
for (o = opts; ! oend (o); o++)
|
{
|
{
|
if (! oalias (o))
|
if (! oalias (o))
|
hol->num_entries++;
|
hol->num_entries++;
|
if (oshort (o))
|
if (oshort (o))
|
num_short_options++; /* This is an upper bound. */
|
num_short_options++; /* This is an upper bound. */
|
}
|
}
|
|
|
hol->entries = malloc (sizeof (struct hol_entry) * hol->num_entries);
|
hol->entries = malloc (sizeof (struct hol_entry) * hol->num_entries);
|
hol->short_options = malloc (num_short_options + 1);
|
hol->short_options = malloc (num_short_options + 1);
|
|
|
assert (hol->entries && hol->short_options);
|
assert (hol->entries && hol->short_options);
|
|
|
/* Fill in the entries. */
|
/* Fill in the entries. */
|
so = hol->short_options;
|
so = hol->short_options;
|
for (o = opts, entry = hol->entries; ! oend (o); entry++)
|
for (o = opts, entry = hol->entries; ! oend (o); entry++)
|
{
|
{
|
entry->opt = o;
|
entry->opt = o;
|
entry->num = 0;
|
entry->num = 0;
|
entry->short_options = so;
|
entry->short_options = so;
|
entry->group = cur_group =
|
entry->group = cur_group =
|
o->group
|
o->group
|
? o->group
|
? o->group
|
: ((!o->name && !o->key)
|
: ((!o->name && !o->key)
|
? cur_group + 1
|
? cur_group + 1
|
: cur_group);
|
: cur_group);
|
entry->cluster = cluster;
|
entry->cluster = cluster;
|
entry->argp = argp;
|
entry->argp = argp;
|
|
|
do
|
do
|
{
|
{
|
entry->num++;
|
entry->num++;
|
if (oshort (o) && ! find_char (o->key, hol->short_options, so))
|
if (oshort (o) && ! find_char (o->key, hol->short_options, so))
|
/* O has a valid short option which hasn't already been used.*/
|
/* O has a valid short option which hasn't already been used.*/
|
*so++ = o->key;
|
*so++ = o->key;
|
o++;
|
o++;
|
}
|
}
|
while (! oend (o) && oalias (o));
|
while (! oend (o) && oalias (o));
|
}
|
}
|
*so = '\0'; /* null terminated so we can find the length */
|
*so = '\0'; /* null terminated so we can find the length */
|
}
|
}
|
|
|
return hol;
|
return hol;
|
}
|
}
|
|
|
/* Add a new cluster to HOL, with the given GROUP and HEADER (taken from the
|
/* Add a new cluster to HOL, with the given GROUP and HEADER (taken from the
|
associated argp child list entry), INDEX, and PARENT, and return a pointer
|
associated argp child list entry), INDEX, and PARENT, and return a pointer
|
to it. ARGP is the argp that this cluster results from. */
|
to it. ARGP is the argp that this cluster results from. */
|
static struct hol_cluster *
|
static struct hol_cluster *
|
hol_add_cluster (struct hol *hol, int group, const char *header, int index,
|
hol_add_cluster (struct hol *hol, int group, const char *header, int index,
|
struct hol_cluster *parent, const struct argp *argp)
|
struct hol_cluster *parent, const struct argp *argp)
|
{
|
{
|
struct hol_cluster *cl = malloc (sizeof (struct hol_cluster));
|
struct hol_cluster *cl = malloc (sizeof (struct hol_cluster));
|
if (cl)
|
if (cl)
|
{
|
{
|
cl->group = group;
|
cl->group = group;
|
cl->header = header;
|
cl->header = header;
|
|
|
cl->index = index;
|
cl->index = index;
|
cl->parent = parent;
|
cl->parent = parent;
|
cl->argp = argp;
|
cl->argp = argp;
|
cl->depth = parent ? parent->depth + 1 : 0;
|
cl->depth = parent ? parent->depth + 1 : 0;
|
|
|
cl->next = hol->clusters;
|
cl->next = hol->clusters;
|
hol->clusters = cl;
|
hol->clusters = cl;
|
}
|
}
|
return cl;
|
return cl;
|
}
|
}
|
|
|
/* Free HOL and any resources it uses. */
|
/* Free HOL and any resources it uses. */
|
static void
|
static void
|
hol_free (struct hol *hol)
|
hol_free (struct hol *hol)
|
{
|
{
|
struct hol_cluster *cl = hol->clusters;
|
struct hol_cluster *cl = hol->clusters;
|
|
|
while (cl)
|
while (cl)
|
{
|
{
|
struct hol_cluster *next = cl->next;
|
struct hol_cluster *next = cl->next;
|
free (cl);
|
free (cl);
|
cl = next;
|
cl = next;
|
}
|
}
|
|
|
if (hol->num_entries > 0)
|
if (hol->num_entries > 0)
|
{
|
{
|
free (hol->entries);
|
free (hol->entries);
|
free (hol->short_options);
|
free (hol->short_options);
|
}
|
}
|
|
|
free (hol);
|
free (hol);
|
}
|
}
|
|
|
static inline int
|
static inline int
|
hol_entry_short_iterate (const struct hol_entry *entry,
|
hol_entry_short_iterate (const struct hol_entry *entry,
|
int (*func)(const struct argp_option *opt,
|
int (*func)(const struct argp_option *opt,
|
const struct argp_option *real,
|
const struct argp_option *real,
|
const char *domain, void *cookie),
|
const char *domain, void *cookie),
|
const char *domain, void *cookie)
|
const char *domain, void *cookie)
|
{
|
{
|
unsigned nopts;
|
unsigned nopts;
|
int val = 0;
|
int val = 0;
|
const struct argp_option *opt, *real = entry->opt;
|
const struct argp_option *opt, *real = entry->opt;
|
char *so = entry->short_options;
|
char *so = entry->short_options;
|
|
|
for (opt = real, nopts = entry->num; nopts > 0 && !val; opt++, nopts--)
|
for (opt = real, nopts = entry->num; nopts > 0 && !val; opt++, nopts--)
|
if (oshort (opt) && *so == opt->key)
|
if (oshort (opt) && *so == opt->key)
|
{
|
{
|
if (!oalias (opt))
|
if (!oalias (opt))
|
real = opt;
|
real = opt;
|
if (ovisible (opt))
|
if (ovisible (opt))
|
val = (*func)(opt, real, domain, cookie);
|
val = (*func)(opt, real, domain, cookie);
|
so++;
|
so++;
|
}
|
}
|
|
|
return val;
|
return val;
|
}
|
}
|
|
|
static inline int
|
static inline int
|
hol_entry_long_iterate (const struct hol_entry *entry,
|
hol_entry_long_iterate (const struct hol_entry *entry,
|
int (*func)(const struct argp_option *opt,
|
int (*func)(const struct argp_option *opt,
|
const struct argp_option *real,
|
const struct argp_option *real,
|
const char *domain, void *cookie),
|
const char *domain, void *cookie),
|
const char *domain, void *cookie)
|
const char *domain, void *cookie)
|
{
|
{
|
unsigned nopts;
|
unsigned nopts;
|
int val = 0;
|
int val = 0;
|
const struct argp_option *opt, *real = entry->opt;
|
const struct argp_option *opt, *real = entry->opt;
|
|
|
for (opt = real, nopts = entry->num; nopts > 0 && !val; opt++, nopts--)
|
for (opt = real, nopts = entry->num; nopts > 0 && !val; opt++, nopts--)
|
if (opt->name)
|
if (opt->name)
|
{
|
{
|
if (!oalias (opt))
|
if (!oalias (opt))
|
real = opt;
|
real = opt;
|
if (ovisible (opt))
|
if (ovisible (opt))
|
val = (*func)(opt, real, domain, cookie);
|
val = (*func)(opt, real, domain, cookie);
|
}
|
}
|
|
|
return val;
|
return val;
|
}
|
}
|
|
|
/* Iterator that returns true for the first short option. */
|
/* Iterator that returns true for the first short option. */
|
static inline int
|
static inline int
|
until_short (const struct argp_option *opt, const struct argp_option *real,
|
until_short (const struct argp_option *opt, const struct argp_option *real,
|
const char *domain, void *cookie)
|
const char *domain, void *cookie)
|
{
|
{
|
return oshort (opt) ? opt->key : 0;
|
return oshort (opt) ? opt->key : 0;
|
}
|
}
|
|
|
/* Returns the first valid short option in ENTRY, or 0 if there is none. */
|
/* Returns the first valid short option in ENTRY, or 0 if there is none. */
|
static char
|
static char
|
hol_entry_first_short (const struct hol_entry *entry)
|
hol_entry_first_short (const struct hol_entry *entry)
|
{
|
{
|
return hol_entry_short_iterate (entry, until_short,
|
return hol_entry_short_iterate (entry, until_short,
|
entry->argp->argp_domain, 0);
|
entry->argp->argp_domain, 0);
|
}
|
}
|
|
|
/* Returns the first valid long option in ENTRY, or 0 if there is none. */
|
/* Returns the first valid long option in ENTRY, or 0 if there is none. */
|
static const char *
|
static const char *
|
hol_entry_first_long (const struct hol_entry *entry)
|
hol_entry_first_long (const struct hol_entry *entry)
|
{
|
{
|
const struct argp_option *opt;
|
const struct argp_option *opt;
|
unsigned num;
|
unsigned num;
|
for (opt = entry->opt, num = entry->num; num > 0; opt++, num--)
|
for (opt = entry->opt, num = entry->num; num > 0; opt++, num--)
|
if (opt->name && ovisible (opt))
|
if (opt->name && ovisible (opt))
|
return opt->name;
|
return opt->name;
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Returns the entry in HOL with the long option name NAME, or 0 if there is
|
/* Returns the entry in HOL with the long option name NAME, or 0 if there is
|
none. */
|
none. */
|
static struct hol_entry *
|
static struct hol_entry *
|
hol_find_entry (struct hol *hol, const char *name)
|
hol_find_entry (struct hol *hol, const char *name)
|
{
|
{
|
struct hol_entry *entry = hol->entries;
|
struct hol_entry *entry = hol->entries;
|
unsigned num_entries = hol->num_entries;
|
unsigned num_entries = hol->num_entries;
|
|
|
while (num_entries-- > 0)
|
while (num_entries-- > 0)
|
{
|
{
|
const struct argp_option *opt = entry->opt;
|
const struct argp_option *opt = entry->opt;
|
unsigned num_opts = entry->num;
|
unsigned num_opts = entry->num;
|
|
|
while (num_opts-- > 0)
|
while (num_opts-- > 0)
|
if (opt->name && ovisible (opt) && strcmp (opt->name, name) == 0)
|
if (opt->name && ovisible (opt) && strcmp (opt->name, name) == 0)
|
return entry;
|
return entry;
|
else
|
else
|
opt++;
|
opt++;
|
|
|
entry++;
|
entry++;
|
}
|
}
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* If an entry with the long option NAME occurs in HOL, set it's special
|
/* If an entry with the long option NAME occurs in HOL, set it's special
|
sort position to GROUP. */
|
sort position to GROUP. */
|
static void
|
static void
|
hol_set_group (struct hol *hol, const char *name, int group)
|
hol_set_group (struct hol *hol, const char *name, int group)
|
{
|
{
|
struct hol_entry *entry = hol_find_entry (hol, name);
|
struct hol_entry *entry = hol_find_entry (hol, name);
|
if (entry)
|
if (entry)
|
entry->group = group;
|
entry->group = group;
|
}
|
}
|
|
|
/* Order by group: 0, 1, 2, ..., n, -m, ..., -2, -1.
|
/* Order by group: 0, 1, 2, ..., n, -m, ..., -2, -1.
|
EQ is what to return if GROUP1 and GROUP2 are the same. */
|
EQ is what to return if GROUP1 and GROUP2 are the same. */
|
static int
|
static int
|
group_cmp (int group1, int group2, int eq)
|
group_cmp (int group1, int group2, int eq)
|
{
|
{
|
if (group1 == group2)
|
if (group1 == group2)
|
return eq;
|
return eq;
|
else if ((group1 < 0 && group2 < 0) || (group1 >= 0 && group2 >= 0))
|
else if ((group1 < 0 && group2 < 0) || (group1 >= 0 && group2 >= 0))
|
return group1 - group2;
|
return group1 - group2;
|
else
|
else
|
return group2 - group1;
|
return group2 - group1;
|
}
|
}
|
|
|
/* Compare clusters CL1 & CL2 by the order that they should appear in
|
/* Compare clusters CL1 & CL2 by the order that they should appear in
|
output. */
|
output. */
|
static int
|
static int
|
hol_cluster_cmp (const struct hol_cluster *cl1, const struct hol_cluster *cl2)
|
hol_cluster_cmp (const struct hol_cluster *cl1, const struct hol_cluster *cl2)
|
{
|
{
|
/* If one cluster is deeper than the other, use its ancestor at the same
|
/* If one cluster is deeper than the other, use its ancestor at the same
|
level, so that finding the common ancestor is straightforward. */
|
level, so that finding the common ancestor is straightforward. */
|
while (cl1->depth < cl2->depth)
|
while (cl1->depth < cl2->depth)
|
cl1 = cl1->parent;
|
cl1 = cl1->parent;
|
while (cl2->depth < cl1->depth)
|
while (cl2->depth < cl1->depth)
|
cl2 = cl2->parent;
|
cl2 = cl2->parent;
|
|
|
/* Now reduce both clusters to their ancestors at the point where both have
|
/* Now reduce both clusters to their ancestors at the point where both have
|
a common parent; these can be directly compared. */
|
a common parent; these can be directly compared. */
|
while (cl1->parent != cl2->parent)
|
while (cl1->parent != cl2->parent)
|
cl1 = cl1->parent, cl2 = cl2->parent;
|
cl1 = cl1->parent, cl2 = cl2->parent;
|
|
|
return group_cmp (cl1->group, cl2->group, cl2->index - cl1->index);
|
return group_cmp (cl1->group, cl2->group, cl2->index - cl1->index);
|
}
|
}
|
|
|
/* Return the ancestor of CL that's just below the root (i.e., has a parent
|
/* Return the ancestor of CL that's just below the root (i.e., has a parent
|
of 0). */
|
of 0). */
|
static struct hol_cluster *
|
static struct hol_cluster *
|
hol_cluster_base (struct hol_cluster *cl)
|
hol_cluster_base (struct hol_cluster *cl)
|
{
|
{
|
while (cl->parent)
|
while (cl->parent)
|
cl = cl->parent;
|
cl = cl->parent;
|
return cl;
|
return cl;
|
}
|
}
|
|
|
/* Return true if CL1 is a child of CL2. */
|
/* Return true if CL1 is a child of CL2. */
|
static int
|
static int
|
hol_cluster_is_child (const struct hol_cluster *cl1,
|
hol_cluster_is_child (const struct hol_cluster *cl1,
|
const struct hol_cluster *cl2)
|
const struct hol_cluster *cl2)
|
{
|
{
|
while (cl1 && cl1 != cl2)
|
while (cl1 && cl1 != cl2)
|
cl1 = cl1->parent;
|
cl1 = cl1->parent;
|
return cl1 == cl2;
|
return cl1 == cl2;
|
}
|
}
|
|
|
/* Given the name of a OPTION_DOC option, modifies NAME to start at the tail
|
/* Given the name of a OPTION_DOC option, modifies NAME to start at the tail
|
that should be used for comparisons, and returns true iff it should be
|
that should be used for comparisons, and returns true iff it should be
|
treated as a non-option. */
|
treated as a non-option. */
|
static int
|
static int
|
canon_doc_option (const char **name)
|
canon_doc_option (const char **name)
|
{
|
{
|
int non_opt;
|
int non_opt;
|
/* Skip initial whitespace. */
|
/* Skip initial whitespace. */
|
while (isspace (**name))
|
while (isspace (**name))
|
(*name)++;
|
(*name)++;
|
/* Decide whether this looks like an option (leading `-') or not. */
|
/* Decide whether this looks like an option (leading `-') or not. */
|
non_opt = (**name != '-');
|
non_opt = (**name != '-');
|
/* Skip until part of name used for sorting. */
|
/* Skip until part of name used for sorting. */
|
while (**name && !isalnum (**name))
|
while (**name && !isalnum (**name))
|
(*name)++;
|
(*name)++;
|
return non_opt;
|
return non_opt;
|
}
|
}
|
|
|
/* Order ENTRY1 & ENTRY2 by the order which they should appear in a help
|
/* Order ENTRY1 & ENTRY2 by the order which they should appear in a help
|
listing. */
|
listing. */
|
static int
|
static int
|
hol_entry_cmp (const struct hol_entry *entry1,
|
hol_entry_cmp (const struct hol_entry *entry1,
|
const struct hol_entry *entry2)
|
const struct hol_entry *entry2)
|
{
|
{
|
/* The group numbers by which the entries should be ordered; if either is
|
/* The group numbers by which the entries should be ordered; if either is
|
in a cluster, then this is just the group within the cluster. */
|
in a cluster, then this is just the group within the cluster. */
|
int group1 = entry1->group, group2 = entry2->group;
|
int group1 = entry1->group, group2 = entry2->group;
|
|
|
if (entry1->cluster != entry2->cluster)
|
if (entry1->cluster != entry2->cluster)
|
{
|
{
|
/* The entries are not within the same cluster, so we can't compare them
|
/* The entries are not within the same cluster, so we can't compare them
|
directly, we have to use the appropiate clustering level too. */
|
directly, we have to use the appropiate clustering level too. */
|
if (! entry1->cluster)
|
if (! entry1->cluster)
|
/* ENTRY1 is at the `base level', not in a cluster, so we have to
|
/* ENTRY1 is at the `base level', not in a cluster, so we have to
|
compare it's group number with that of the base cluster in which
|
compare it's group number with that of the base cluster in which
|
ENTRY2 resides. Note that if they're in the same group, the
|
ENTRY2 resides. Note that if they're in the same group, the
|
clustered option always comes laster. */
|
clustered option always comes laster. */
|
return group_cmp (group1, hol_cluster_base (entry2->cluster)->group, -1);
|
return group_cmp (group1, hol_cluster_base (entry2->cluster)->group, -1);
|
else if (! entry2->cluster)
|
else if (! entry2->cluster)
|
/* Likewise, but ENTRY2's not in a cluster. */
|
/* Likewise, but ENTRY2's not in a cluster. */
|
return group_cmp (hol_cluster_base (entry1->cluster)->group, group2, 1);
|
return group_cmp (hol_cluster_base (entry1->cluster)->group, group2, 1);
|
else
|
else
|
/* Both entries are in clusters, we can just compare the clusters. */
|
/* Both entries are in clusters, we can just compare the clusters. */
|
return hol_cluster_cmp (entry1->cluster, entry2->cluster);
|
return hol_cluster_cmp (entry1->cluster, entry2->cluster);
|
}
|
}
|
else if (group1 == group2)
|
else if (group1 == group2)
|
/* The entries are both in the same cluster and group, so compare them
|
/* The entries are both in the same cluster and group, so compare them
|
alphabetically. */
|
alphabetically. */
|
{
|
{
|
int short1 = hol_entry_first_short (entry1);
|
int short1 = hol_entry_first_short (entry1);
|
int short2 = hol_entry_first_short (entry2);
|
int short2 = hol_entry_first_short (entry2);
|
int doc1 = odoc (entry1->opt);
|
int doc1 = odoc (entry1->opt);
|
int doc2 = odoc (entry2->opt);
|
int doc2 = odoc (entry2->opt);
|
const char *long1 = hol_entry_first_long (entry1);
|
const char *long1 = hol_entry_first_long (entry1);
|
const char *long2 = hol_entry_first_long (entry2);
|
const char *long2 = hol_entry_first_long (entry2);
|
|
|
if (doc1)
|
if (doc1)
|
doc1 = canon_doc_option (&long1);
|
doc1 = canon_doc_option (&long1);
|
if (doc2)
|
if (doc2)
|
doc2 = canon_doc_option (&long2);
|
doc2 = canon_doc_option (&long2);
|
|
|
if (doc1 != doc2)
|
if (doc1 != doc2)
|
/* `documentation' options always follow normal options (or
|
/* `documentation' options always follow normal options (or
|
documentation options that *look* like normal options). */
|
documentation options that *look* like normal options). */
|
return doc1 - doc2;
|
return doc1 - doc2;
|
else if (!short1 && !short2 && long1 && long2)
|
else if (!short1 && !short2 && long1 && long2)
|
/* Only long options. */
|
/* Only long options. */
|
return __strcasecmp (long1, long2);
|
return __strcasecmp (long1, long2);
|
else
|
else
|
/* Compare short/short, long/short, short/long, using the first
|
/* Compare short/short, long/short, short/long, using the first
|
character of long options. Entries without *any* valid
|
character of long options. Entries without *any* valid
|
options (such as options with OPTION_HIDDEN set) will be put
|
options (such as options with OPTION_HIDDEN set) will be put
|
first, but as they're not displayed, it doesn't matter where
|
first, but as they're not displayed, it doesn't matter where
|
they are. */
|
they are. */
|
{
|
{
|
char first1 = short1 ? short1 : long1 ? *long1 : 0;
|
char first1 = short1 ? short1 : long1 ? *long1 : 0;
|
char first2 = short2 ? short2 : long2 ? *long2 : 0;
|
char first2 = short2 ? short2 : long2 ? *long2 : 0;
|
#ifdef _tolower
|
#ifdef _tolower
|
int lower_cmp = _tolower (first1) - _tolower (first2);
|
int lower_cmp = _tolower (first1) - _tolower (first2);
|
#else
|
#else
|
int lower_cmp = tolower (first1) - tolower (first2);
|
int lower_cmp = tolower (first1) - tolower (first2);
|
#endif
|
#endif
|
/* Compare ignoring case, except when the options are both the
|
/* Compare ignoring case, except when the options are both the
|
same letter, in which case lower-case always comes first. */
|
same letter, in which case lower-case always comes first. */
|
return lower_cmp ? lower_cmp : first2 - first1;
|
return lower_cmp ? lower_cmp : first2 - first1;
|
}
|
}
|
}
|
}
|
else
|
else
|
/* Within the same cluster, but not the same group, so just compare
|
/* Within the same cluster, but not the same group, so just compare
|
groups. */
|
groups. */
|
return group_cmp (group1, group2, 0);
|
return group_cmp (group1, group2, 0);
|
}
|
}
|
|
|
/* Version of hol_entry_cmp with correct signature for qsort. */
|
/* Version of hol_entry_cmp with correct signature for qsort. */
|
static int
|
static int
|
hol_entry_qcmp (const void *entry1_v, const void *entry2_v)
|
hol_entry_qcmp (const void *entry1_v, const void *entry2_v)
|
{
|
{
|
return hol_entry_cmp (entry1_v, entry2_v);
|
return hol_entry_cmp (entry1_v, entry2_v);
|
}
|
}
|
|
|
/* Sort HOL by group and alphabetically by option name (with short options
|
/* Sort HOL by group and alphabetically by option name (with short options
|
taking precedence over long). Since the sorting is for display purposes
|
taking precedence over long). Since the sorting is for display purposes
|
only, the shadowing of options isn't effected. */
|
only, the shadowing of options isn't effected. */
|
static void
|
static void
|
hol_sort (struct hol *hol)
|
hol_sort (struct hol *hol)
|
{
|
{
|
if (hol->num_entries > 0)
|
if (hol->num_entries > 0)
|
qsort (hol->entries, hol->num_entries, sizeof (struct hol_entry),
|
qsort (hol->entries, hol->num_entries, sizeof (struct hol_entry),
|
hol_entry_qcmp);
|
hol_entry_qcmp);
|
}
|
}
|
|
|
/* Append MORE to HOL, destroying MORE in the process. Options in HOL shadow
|
/* Append MORE to HOL, destroying MORE in the process. Options in HOL shadow
|
any in MORE with the same name. */
|
any in MORE with the same name. */
|
static void
|
static void
|
hol_append (struct hol *hol, struct hol *more)
|
hol_append (struct hol *hol, struct hol *more)
|
{
|
{
|
struct hol_cluster **cl_end = &hol->clusters;
|
struct hol_cluster **cl_end = &hol->clusters;
|
char *tmp;
|
char *tmp;
|
|
|
/* Steal MORE's cluster list, and add it to the end of HOL's. */
|
/* Steal MORE's cluster list, and add it to the end of HOL's. */
|
while (*cl_end)
|
while (*cl_end)
|
cl_end = &(*cl_end)->next;
|
cl_end = &(*cl_end)->next;
|
*cl_end = more->clusters;
|
*cl_end = more->clusters;
|
more->clusters = 0;
|
more->clusters = 0;
|
|
|
/* Merge entries. */
|
/* Merge entries. */
|
if (more->num_entries > 0)
|
if (more->num_entries > 0)
|
{
|
{
|
if (hol->num_entries == 0)
|
if (hol->num_entries == 0)
|
{
|
{
|
hol->num_entries = more->num_entries;
|
hol->num_entries = more->num_entries;
|
hol->entries = more->entries;
|
hol->entries = more->entries;
|
hol->short_options = more->short_options;
|
hol->short_options = more->short_options;
|
more->num_entries = 0; /* Mark MORE's fields as invalid. */
|
more->num_entries = 0; /* Mark MORE's fields as invalid. */
|
}
|
}
|
else
|
else
|
/* Append the entries in MORE to those in HOL, taking care to only add
|
/* Append the entries in MORE to those in HOL, taking care to only add
|
non-shadowed SHORT_OPTIONS values. */
|
non-shadowed SHORT_OPTIONS values. */
|
{
|
{
|
unsigned left;
|
unsigned left;
|
char *so, *more_so;
|
char *so, *more_so;
|
struct hol_entry *e;
|
struct hol_entry *e;
|
unsigned num_entries = hol->num_entries + more->num_entries;
|
unsigned num_entries = hol->num_entries + more->num_entries;
|
struct hol_entry *entries =
|
struct hol_entry *entries =
|
malloc (num_entries * sizeof (struct hol_entry));
|
malloc (num_entries * sizeof (struct hol_entry));
|
unsigned hol_so_len = strlen (hol->short_options);
|
unsigned hol_so_len = strlen (hol->short_options);
|
char *short_options =
|
char *short_options =
|
malloc (hol_so_len + strlen (more->short_options) + 1);
|
malloc (hol_so_len + strlen (more->short_options) + 1);
|
|
|
tmp = memcpy (entries, hol->entries,
|
tmp = memcpy (entries, hol->entries,
|
hol->num_entries * sizeof (struct hol_entry));
|
hol->num_entries * sizeof (struct hol_entry));
|
tmp += hol->num_entries * sizeof (struct hol_entry);
|
tmp += hol->num_entries * sizeof (struct hol_entry);
|
memcpy (tmp,
|
memcpy (tmp,
|
more->entries,
|
more->entries,
|
more->num_entries * sizeof (struct hol_entry));
|
more->num_entries * sizeof (struct hol_entry));
|
|
|
memcpy (short_options, hol->short_options, hol_so_len);
|
memcpy (short_options, hol->short_options, hol_so_len);
|
|
|
/* Fix up the short options pointers from HOL. */
|
/* Fix up the short options pointers from HOL. */
|
for (e = entries, left = hol->num_entries; left > 0; e++, left--)
|
for (e = entries, left = hol->num_entries; left > 0; e++, left--)
|
e->short_options += (short_options - hol->short_options);
|
e->short_options += (short_options - hol->short_options);
|
|
|
/* Now add the short options from MORE, fixing up its entries
|
/* Now add the short options from MORE, fixing up its entries
|
too. */
|
too. */
|
so = short_options + hol_so_len;
|
so = short_options + hol_so_len;
|
more_so = more->short_options;
|
more_so = more->short_options;
|
for (left = more->num_entries; left > 0; e++, left--)
|
for (left = more->num_entries; left > 0; e++, left--)
|
{
|
{
|
int opts_left;
|
int opts_left;
|
const struct argp_option *opt;
|
const struct argp_option *opt;
|
|
|
e->short_options = so;
|
e->short_options = so;
|
|
|
for (opts_left = e->num, opt = e->opt; opts_left; opt++, opts_left--)
|
for (opts_left = e->num, opt = e->opt; opts_left; opt++, opts_left--)
|
{
|
{
|
int ch = *more_so;
|
int ch = *more_so;
|
if (oshort (opt) && ch == opt->key)
|
if (oshort (opt) && ch == opt->key)
|
/* The next short option in MORE_SO, CH, is from OPT. */
|
/* The next short option in MORE_SO, CH, is from OPT. */
|
{
|
{
|
if (! find_char (ch, short_options,
|
if (! find_char (ch, short_options,
|
short_options + hol_so_len))
|
short_options + hol_so_len))
|
/* The short option CH isn't shadowed by HOL's options,
|
/* The short option CH isn't shadowed by HOL's options,
|
so add it to the sum. */
|
so add it to the sum. */
|
*so++ = ch;
|
*so++ = ch;
|
more_so++;
|
more_so++;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
*so = '\0';
|
*so = '\0';
|
|
|
free (hol->entries);
|
free (hol->entries);
|
free (hol->short_options);
|
free (hol->short_options);
|
|
|
hol->entries = entries;
|
hol->entries = entries;
|
hol->num_entries = num_entries;
|
hol->num_entries = num_entries;
|
hol->short_options = short_options;
|
hol->short_options = short_options;
|
}
|
}
|
}
|
}
|
|
|
hol_free (more);
|
hol_free (more);
|
}
|
}
|
|
|
/* Inserts enough spaces to make sure STREAM is at column COL. */
|
/* Inserts enough spaces to make sure STREAM is at column COL. */
|
static void
|
static void
|
indent_to (argp_fmtstream_t stream, unsigned col)
|
indent_to (argp_fmtstream_t stream, unsigned col)
|
{
|
{
|
int needed = col - __argp_fmtstream_point (stream);
|
int needed = col - __argp_fmtstream_point (stream);
|
while (needed-- > 0)
|
while (needed-- > 0)
|
__argp_fmtstream_putc (stream, ' ');
|
__argp_fmtstream_putc (stream, ' ');
|
}
|
}
|
|
|
/* Output to STREAM either a space, or a newline if there isn't room for at
|
/* Output to STREAM either a space, or a newline if there isn't room for at
|
least ENSURE characters before the right margin. */
|
least ENSURE characters before the right margin. */
|
static void
|
static void
|
space (argp_fmtstream_t stream, size_t ensure)
|
space (argp_fmtstream_t stream, size_t ensure)
|
{
|
{
|
if (__argp_fmtstream_point (stream) + ensure
|
if (__argp_fmtstream_point (stream) + ensure
|
>= __argp_fmtstream_rmargin (stream))
|
>= __argp_fmtstream_rmargin (stream))
|
__argp_fmtstream_putc (stream, '\n');
|
__argp_fmtstream_putc (stream, '\n');
|
else
|
else
|
__argp_fmtstream_putc (stream, ' ');
|
__argp_fmtstream_putc (stream, ' ');
|
}
|
}
|
|
|
/* If the option REAL has an argument, we print it in using the printf
|
/* If the option REAL has an argument, we print it in using the printf
|
format REQ_FMT or OPT_FMT depending on whether it's a required or
|
format REQ_FMT or OPT_FMT depending on whether it's a required or
|
optional argument. */
|
optional argument. */
|
static void
|
static void
|
arg (const struct argp_option *real, const char *req_fmt, const char *opt_fmt,
|
arg (const struct argp_option *real, const char *req_fmt, const char *opt_fmt,
|
const char *domain, argp_fmtstream_t stream)
|
const char *domain, argp_fmtstream_t stream)
|
{
|
{
|
if (real->arg)
|
if (real->arg)
|
{
|
{
|
if (real->flags & OPTION_ARG_OPTIONAL)
|
if (real->flags & OPTION_ARG_OPTIONAL)
|
__argp_fmtstream_printf (stream, opt_fmt,
|
__argp_fmtstream_printf (stream, opt_fmt,
|
dgettext (domain, real->arg));
|
dgettext (domain, real->arg));
|
else
|
else
|
__argp_fmtstream_printf (stream, req_fmt,
|
__argp_fmtstream_printf (stream, req_fmt,
|
dgettext (domain, real->arg));
|
dgettext (domain, real->arg));
|
}
|
}
|
}
|
}
|
|
|
/* Helper functions for hol_entry_help. */
|
/* Helper functions for hol_entry_help. */
|
|
|
/* State used during the execution of hol_help. */
|
/* State used during the execution of hol_help. */
|
struct hol_help_state
|
struct hol_help_state
|
{
|
{
|
/* PREV_ENTRY should contain the previous entry printed, or 0. */
|
/* PREV_ENTRY should contain the previous entry printed, or 0. */
|
struct hol_entry *prev_entry;
|
struct hol_entry *prev_entry;
|
|
|
/* If an entry is in a different group from the previous one, and SEP_GROUPS
|
/* If an entry is in a different group from the previous one, and SEP_GROUPS
|
is true, then a blank line will be printed before any output. */
|
is true, then a blank line will be printed before any output. */
|
int sep_groups;
|
int sep_groups;
|
|
|
/* True if a duplicate option argument was suppressed (only ever set if
|
/* True if a duplicate option argument was suppressed (only ever set if
|
UPARAMS.dup_args is false). */
|
UPARAMS.dup_args is false). */
|
int suppressed_dup_arg;
|
int suppressed_dup_arg;
|
};
|
};
|
|
|
/* Some state used while printing a help entry (used to communicate with
|
/* Some state used while printing a help entry (used to communicate with
|
helper functions). See the doc for hol_entry_help for more info, as most
|
helper functions). See the doc for hol_entry_help for more info, as most
|
of the fields are copied from its arguments. */
|
of the fields are copied from its arguments. */
|
struct pentry_state
|
struct pentry_state
|
{
|
{
|
const struct hol_entry *entry;
|
const struct hol_entry *entry;
|
argp_fmtstream_t stream;
|
argp_fmtstream_t stream;
|
struct hol_help_state *hhstate;
|
struct hol_help_state *hhstate;
|
|
|
/* True if nothing's been printed so far. */
|
/* True if nothing's been printed so far. */
|
int first;
|
int first;
|
|
|
/* If non-zero, the state that was used to print this help. */
|
/* If non-zero, the state that was used to print this help. */
|
const struct argp_state *state;
|
const struct argp_state *state;
|
};
|
};
|
|
|
/* If a user doc filter should be applied to DOC, do so. */
|
/* If a user doc filter should be applied to DOC, do so. */
|
static const char *
|
static const char *
|
filter_doc (const char *doc, int key, const struct argp *argp,
|
filter_doc (const char *doc, int key, const struct argp *argp,
|
const struct argp_state *state)
|
const struct argp_state *state)
|
{
|
{
|
if (argp->help_filter)
|
if (argp->help_filter)
|
/* We must apply a user filter to this output. */
|
/* We must apply a user filter to this output. */
|
{
|
{
|
void *input = __argp_input (argp, state);
|
void *input = __argp_input (argp, state);
|
return (*argp->help_filter) (key, doc, input);
|
return (*argp->help_filter) (key, doc, input);
|
}
|
}
|
else
|
else
|
/* No filter. */
|
/* No filter. */
|
return doc;
|
return doc;
|
}
|
}
|
|
|
/* Prints STR as a header line, with the margin lines set appropiately, and
|
/* Prints STR as a header line, with the margin lines set appropiately, and
|
notes the fact that groups should be separated with a blank line. ARGP is
|
notes the fact that groups should be separated with a blank line. ARGP is
|
the argp that should dictate any user doc filtering to take place. Note
|
the argp that should dictate any user doc filtering to take place. Note
|
that the previous wrap margin isn't restored, but the left margin is reset
|
that the previous wrap margin isn't restored, but the left margin is reset
|
to 0. */
|
to 0. */
|
static void
|
static void
|
print_header (const char *str, const struct argp *argp,
|
print_header (const char *str, const struct argp *argp,
|
struct pentry_state *pest)
|
struct pentry_state *pest)
|
{
|
{
|
const char *tstr = dgettext (argp->argp_domain, str);
|
const char *tstr = dgettext (argp->argp_domain, str);
|
const char *fstr = filter_doc (tstr, ARGP_KEY_HELP_HEADER, argp, pest->state);
|
const char *fstr = filter_doc (tstr, ARGP_KEY_HELP_HEADER, argp, pest->state);
|
|
|
if (fstr)
|
if (fstr)
|
{
|
{
|
if (*fstr)
|
if (*fstr)
|
{
|
{
|
if (pest->hhstate->prev_entry)
|
if (pest->hhstate->prev_entry)
|
/* Precede with a blank line. */
|
/* Precede with a blank line. */
|
__argp_fmtstream_putc (pest->stream, '\n');
|
__argp_fmtstream_putc (pest->stream, '\n');
|
indent_to (pest->stream, uparams.header_col);
|
indent_to (pest->stream, uparams.header_col);
|
__argp_fmtstream_set_lmargin (pest->stream, uparams.header_col);
|
__argp_fmtstream_set_lmargin (pest->stream, uparams.header_col);
|
__argp_fmtstream_set_wmargin (pest->stream, uparams.header_col);
|
__argp_fmtstream_set_wmargin (pest->stream, uparams.header_col);
|
__argp_fmtstream_puts (pest->stream, fstr);
|
__argp_fmtstream_puts (pest->stream, fstr);
|
__argp_fmtstream_set_lmargin (pest->stream, 0);
|
__argp_fmtstream_set_lmargin (pest->stream, 0);
|
__argp_fmtstream_putc (pest->stream, '\n');
|
__argp_fmtstream_putc (pest->stream, '\n');
|
}
|
}
|
|
|
pest->hhstate->sep_groups = 1; /* Separate subsequent groups. */
|
pest->hhstate->sep_groups = 1; /* Separate subsequent groups. */
|
}
|
}
|
|
|
if (fstr != tstr)
|
if (fstr != tstr)
|
free ((char *) fstr);
|
free ((char *) fstr);
|
}
|
}
|
|
|
/* Inserts a comma if this isn't the first item on the line, and then makes
|
/* Inserts a comma if this isn't the first item on the line, and then makes
|
sure we're at least to column COL. If this *is* the first item on a line,
|
sure we're at least to column COL. If this *is* the first item on a line,
|
prints any pending whitespace/headers that should precede this line. Also
|
prints any pending whitespace/headers that should precede this line. Also
|
clears FIRST. */
|
clears FIRST. */
|
static void
|
static void
|
comma (unsigned col, struct pentry_state *pest)
|
comma (unsigned col, struct pentry_state *pest)
|
{
|
{
|
if (pest->first)
|
if (pest->first)
|
{
|
{
|
const struct hol_entry *pe = pest->hhstate->prev_entry;
|
const struct hol_entry *pe = pest->hhstate->prev_entry;
|
const struct hol_cluster *cl = pest->entry->cluster;
|
const struct hol_cluster *cl = pest->entry->cluster;
|
|
|
if (pest->hhstate->sep_groups && pe && pest->entry->group != pe->group)
|
if (pest->hhstate->sep_groups && pe && pest->entry->group != pe->group)
|
__argp_fmtstream_putc (pest->stream, '\n');
|
__argp_fmtstream_putc (pest->stream, '\n');
|
|
|
if (cl && cl->header && *cl->header
|
if (cl && cl->header && *cl->header
|
&& (!pe
|
&& (!pe
|
|| (pe->cluster != cl
|
|| (pe->cluster != cl
|
&& !hol_cluster_is_child (pe->cluster, cl))))
|
&& !hol_cluster_is_child (pe->cluster, cl))))
|
/* If we're changing clusters, then this must be the start of the
|
/* If we're changing clusters, then this must be the start of the
|
ENTRY's cluster unless that is an ancestor of the previous one
|
ENTRY's cluster unless that is an ancestor of the previous one
|
(in which case we had just popped into a sub-cluster for a bit).
|
(in which case we had just popped into a sub-cluster for a bit).
|
If so, then print the cluster's header line. */
|
If so, then print the cluster's header line. */
|
{
|
{
|
int old_wm = __argp_fmtstream_wmargin (pest->stream);
|
int old_wm = __argp_fmtstream_wmargin (pest->stream);
|
print_header (cl->header, cl->argp, pest);
|
print_header (cl->header, cl->argp, pest);
|
__argp_fmtstream_set_wmargin (pest->stream, old_wm);
|
__argp_fmtstream_set_wmargin (pest->stream, old_wm);
|
}
|
}
|
|
|
pest->first = 0;
|
pest->first = 0;
|
}
|
}
|
else
|
else
|
__argp_fmtstream_puts (pest->stream, ", ");
|
__argp_fmtstream_puts (pest->stream, ", ");
|
|
|
indent_to (pest->stream, col);
|
indent_to (pest->stream, col);
|
}
|
}
|
|
|
/* Print help for ENTRY to STREAM. */
|
/* Print help for ENTRY to STREAM. */
|
static void
|
static void
|
hol_entry_help (struct hol_entry *entry, const struct argp_state *state,
|
hol_entry_help (struct hol_entry *entry, const struct argp_state *state,
|
argp_fmtstream_t stream, struct hol_help_state *hhstate)
|
argp_fmtstream_t stream, struct hol_help_state *hhstate)
|
{
|
{
|
unsigned num;
|
unsigned num;
|
const struct argp_option *real = entry->opt, *opt;
|
const struct argp_option *real = entry->opt, *opt;
|
char *so = entry->short_options;
|
char *so = entry->short_options;
|
int have_long_opt = 0; /* We have any long options. */
|
int have_long_opt = 0; /* We have any long options. */
|
/* Saved margins. */
|
/* Saved margins. */
|
int old_lm = __argp_fmtstream_set_lmargin (stream, 0);
|
int old_lm = __argp_fmtstream_set_lmargin (stream, 0);
|
int old_wm = __argp_fmtstream_wmargin (stream);
|
int old_wm = __argp_fmtstream_wmargin (stream);
|
/* PEST is a state block holding some of our variables that we'd like to
|
/* PEST is a state block holding some of our variables that we'd like to
|
share with helper functions. */
|
share with helper functions. */
|
struct pentry_state pest = { entry, stream, hhstate, 1, state };
|
struct pentry_state pest = { entry, stream, hhstate, 1, state };
|
|
|
if (! odoc (real))
|
if (! odoc (real))
|
for (opt = real, num = entry->num; num > 0; opt++, num--)
|
for (opt = real, num = entry->num; num > 0; opt++, num--)
|
if (opt->name && ovisible (opt))
|
if (opt->name && ovisible (opt))
|
{
|
{
|
have_long_opt = 1;
|
have_long_opt = 1;
|
break;
|
break;
|
}
|
}
|
|
|
/* First emit short options. */
|
/* First emit short options. */
|
__argp_fmtstream_set_wmargin (stream, uparams.short_opt_col); /* For truly bizarre cases. */
|
__argp_fmtstream_set_wmargin (stream, uparams.short_opt_col); /* For truly bizarre cases. */
|
for (opt = real, num = entry->num; num > 0; opt++, num--)
|
for (opt = real, num = entry->num; num > 0; opt++, num--)
|
if (oshort (opt) && opt->key == *so)
|
if (oshort (opt) && opt->key == *so)
|
/* OPT has a valid (non shadowed) short option. */
|
/* OPT has a valid (non shadowed) short option. */
|
{
|
{
|
if (ovisible (opt))
|
if (ovisible (opt))
|
{
|
{
|
comma (uparams.short_opt_col, &pest);
|
comma (uparams.short_opt_col, &pest);
|
__argp_fmtstream_putc (stream, '-');
|
__argp_fmtstream_putc (stream, '-');
|
__argp_fmtstream_putc (stream, *so);
|
__argp_fmtstream_putc (stream, *so);
|
if (!have_long_opt || uparams.dup_args)
|
if (!have_long_opt || uparams.dup_args)
|
arg (real, " %s", "[%s]", state->root_argp->argp_domain, stream);
|
arg (real, " %s", "[%s]", state->root_argp->argp_domain, stream);
|
else if (real->arg)
|
else if (real->arg)
|
hhstate->suppressed_dup_arg = 1;
|
hhstate->suppressed_dup_arg = 1;
|
}
|
}
|
so++;
|
so++;
|
}
|
}
|
|
|
/* Now, long options. */
|
/* Now, long options. */
|
if (odoc (real))
|
if (odoc (real))
|
/* A `documentation' option. */
|
/* A `documentation' option. */
|
{
|
{
|
__argp_fmtstream_set_wmargin (stream, uparams.doc_opt_col);
|
__argp_fmtstream_set_wmargin (stream, uparams.doc_opt_col);
|
for (opt = real, num = entry->num; num > 0; opt++, num--)
|
for (opt = real, num = entry->num; num > 0; opt++, num--)
|
if (opt->name && ovisible (opt))
|
if (opt->name && ovisible (opt))
|
{
|
{
|
comma (uparams.doc_opt_col, &pest);
|
comma (uparams.doc_opt_col, &pest);
|
/* Calling gettext here isn't quite right, since sorting will
|
/* Calling gettext here isn't quite right, since sorting will
|
have been done on the original; but documentation options
|
have been done on the original; but documentation options
|
should be pretty rare anyway... */
|
should be pretty rare anyway... */
|
__argp_fmtstream_puts (stream,
|
__argp_fmtstream_puts (stream,
|
dgettext (state->root_argp->argp_domain,
|
dgettext (state->root_argp->argp_domain,
|
opt->name));
|
opt->name));
|
}
|
}
|
}
|
}
|
else
|
else
|
/* A real long option. */
|
/* A real long option. */
|
{
|
{
|
int first_long_opt = 1;
|
int first_long_opt = 1;
|
|
|
__argp_fmtstream_set_wmargin (stream, uparams.long_opt_col);
|
__argp_fmtstream_set_wmargin (stream, uparams.long_opt_col);
|
for (opt = real, num = entry->num; num > 0; opt++, num--)
|
for (opt = real, num = entry->num; num > 0; opt++, num--)
|
if (opt->name && ovisible (opt))
|
if (opt->name && ovisible (opt))
|
{
|
{
|
comma (uparams.long_opt_col, &pest);
|
comma (uparams.long_opt_col, &pest);
|
__argp_fmtstream_printf (stream, "--%s", opt->name);
|
__argp_fmtstream_printf (stream, "--%s", opt->name);
|
if (first_long_opt || uparams.dup_args)
|
if (first_long_opt || uparams.dup_args)
|
arg (real, "=%s", "[=%s]", state->root_argp->argp_domain,
|
arg (real, "=%s", "[=%s]", state->root_argp->argp_domain,
|
stream);
|
stream);
|
else if (real->arg)
|
else if (real->arg)
|
hhstate->suppressed_dup_arg = 1;
|
hhstate->suppressed_dup_arg = 1;
|
}
|
}
|
}
|
}
|
|
|
/* Next, documentation strings. */
|
/* Next, documentation strings. */
|
__argp_fmtstream_set_lmargin (stream, 0);
|
__argp_fmtstream_set_lmargin (stream, 0);
|
|
|
if (pest.first)
|
if (pest.first)
|
{
|
{
|
/* Didn't print any switches, what's up? */
|
/* Didn't print any switches, what's up? */
|
if (!oshort (real) && !real->name)
|
if (!oshort (real) && !real->name)
|
/* This is a group header, print it nicely. */
|
/* This is a group header, print it nicely. */
|
print_header (real->doc, entry->argp, &pest);
|
print_header (real->doc, entry->argp, &pest);
|
else
|
else
|
/* Just a totally shadowed option or null header; print nothing. */
|
/* Just a totally shadowed option or null header; print nothing. */
|
goto cleanup; /* Just return, after cleaning up. */
|
goto cleanup; /* Just return, after cleaning up. */
|
}
|
}
|
else
|
else
|
{
|
{
|
const char *tstr = real->doc ? dgettext (state->root_argp->argp_domain,
|
const char *tstr = real->doc ? dgettext (state->root_argp->argp_domain,
|
real->doc) : 0;
|
real->doc) : 0;
|
const char *fstr = filter_doc (tstr, real->key, entry->argp, state);
|
const char *fstr = filter_doc (tstr, real->key, entry->argp, state);
|
if (fstr && *fstr)
|
if (fstr && *fstr)
|
{
|
{
|
unsigned int col = __argp_fmtstream_point (stream);
|
unsigned int col = __argp_fmtstream_point (stream);
|
|
|
__argp_fmtstream_set_lmargin (stream, uparams.opt_doc_col);
|
__argp_fmtstream_set_lmargin (stream, uparams.opt_doc_col);
|
__argp_fmtstream_set_wmargin (stream, uparams.opt_doc_col);
|
__argp_fmtstream_set_wmargin (stream, uparams.opt_doc_col);
|
|
|
if (col > (unsigned int) (uparams.opt_doc_col + 3))
|
if (col > (unsigned int) (uparams.opt_doc_col + 3))
|
__argp_fmtstream_putc (stream, '\n');
|
__argp_fmtstream_putc (stream, '\n');
|
else if (col >= (unsigned int) uparams.opt_doc_col)
|
else if (col >= (unsigned int) uparams.opt_doc_col)
|
__argp_fmtstream_puts (stream, " ");
|
__argp_fmtstream_puts (stream, " ");
|
else
|
else
|
indent_to (stream, uparams.opt_doc_col);
|
indent_to (stream, uparams.opt_doc_col);
|
|
|
__argp_fmtstream_puts (stream, fstr);
|
__argp_fmtstream_puts (stream, fstr);
|
}
|
}
|
if (fstr && fstr != tstr)
|
if (fstr && fstr != tstr)
|
free ((char *) fstr);
|
free ((char *) fstr);
|
|
|
/* Reset the left margin. */
|
/* Reset the left margin. */
|
__argp_fmtstream_set_lmargin (stream, 0);
|
__argp_fmtstream_set_lmargin (stream, 0);
|
__argp_fmtstream_putc (stream, '\n');
|
__argp_fmtstream_putc (stream, '\n');
|
}
|
}
|
|
|
hhstate->prev_entry = entry;
|
hhstate->prev_entry = entry;
|
|
|
cleanup:
|
cleanup:
|
__argp_fmtstream_set_lmargin (stream, old_lm);
|
__argp_fmtstream_set_lmargin (stream, old_lm);
|
__argp_fmtstream_set_wmargin (stream, old_wm);
|
__argp_fmtstream_set_wmargin (stream, old_wm);
|
}
|
}
|
|
|
/* Output a long help message about the options in HOL to STREAM. */
|
/* Output a long help message about the options in HOL to STREAM. */
|
static void
|
static void
|
hol_help (struct hol *hol, const struct argp_state *state,
|
hol_help (struct hol *hol, const struct argp_state *state,
|
argp_fmtstream_t stream)
|
argp_fmtstream_t stream)
|
{
|
{
|
unsigned num;
|
unsigned num;
|
struct hol_entry *entry;
|
struct hol_entry *entry;
|
struct hol_help_state hhstate = { 0, 0, 0 };
|
struct hol_help_state hhstate = { 0, 0, 0 };
|
|
|
for (entry = hol->entries, num = hol->num_entries; num > 0; entry++, num--)
|
for (entry = hol->entries, num = hol->num_entries; num > 0; entry++, num--)
|
hol_entry_help (entry, state, stream, &hhstate);
|
hol_entry_help (entry, state, stream, &hhstate);
|
|
|
if (hhstate.suppressed_dup_arg && uparams.dup_args_note)
|
if (hhstate.suppressed_dup_arg && uparams.dup_args_note)
|
{
|
{
|
const char *tstr = dgettext (state->root_argp->argp_domain, "\
|
const char *tstr = dgettext (state->root_argp->argp_domain, "\
|
Mandatory or optional arguments to long options are also mandatory or \
|
Mandatory or optional arguments to long options are also mandatory or \
|
optional for any corresponding short options.");
|
optional for any corresponding short options.");
|
const char *fstr = filter_doc (tstr, ARGP_KEY_HELP_DUP_ARGS_NOTE,
|
const char *fstr = filter_doc (tstr, ARGP_KEY_HELP_DUP_ARGS_NOTE,
|
state ? state->root_argp : 0, state);
|
state ? state->root_argp : 0, state);
|
if (fstr && *fstr)
|
if (fstr && *fstr)
|
{
|
{
|
__argp_fmtstream_putc (stream, '\n');
|
__argp_fmtstream_putc (stream, '\n');
|
__argp_fmtstream_puts (stream, fstr);
|
__argp_fmtstream_puts (stream, fstr);
|
__argp_fmtstream_putc (stream, '\n');
|
__argp_fmtstream_putc (stream, '\n');
|
}
|
}
|
if (fstr && fstr != tstr)
|
if (fstr && fstr != tstr)
|
free ((char *) fstr);
|
free ((char *) fstr);
|
}
|
}
|
}
|
}
|
|
|
/* Helper functions for hol_usage. */
|
/* Helper functions for hol_usage. */
|
|
|
/* If OPT is a short option without an arg, append its key to the string
|
/* If OPT is a short option without an arg, append its key to the string
|
pointer pointer to by COOKIE, and advance the pointer. */
|
pointer pointer to by COOKIE, and advance the pointer. */
|
static int
|
static int
|
add_argless_short_opt (const struct argp_option *opt,
|
add_argless_short_opt (const struct argp_option *opt,
|
const struct argp_option *real,
|
const struct argp_option *real,
|
const char *domain, void *cookie)
|
const char *domain, void *cookie)
|
{
|
{
|
char **snao_end = cookie;
|
char **snao_end = cookie;
|
if (!(opt->arg || real->arg)
|
if (!(opt->arg || real->arg)
|
&& !((opt->flags | real->flags) & OPTION_NO_USAGE))
|
&& !((opt->flags | real->flags) & OPTION_NO_USAGE))
|
*(*snao_end)++ = opt->key;
|
*(*snao_end)++ = opt->key;
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* If OPT is a short option with an arg, output a usage entry for it to the
|
/* If OPT is a short option with an arg, output a usage entry for it to the
|
stream pointed at by COOKIE. */
|
stream pointed at by COOKIE. */
|
static int
|
static int
|
usage_argful_short_opt (const struct argp_option *opt,
|
usage_argful_short_opt (const struct argp_option *opt,
|
const struct argp_option *real,
|
const struct argp_option *real,
|
const char *domain, void *cookie)
|
const char *domain, void *cookie)
|
{
|
{
|
argp_fmtstream_t stream = cookie;
|
argp_fmtstream_t stream = cookie;
|
const char *arg = opt->arg;
|
const char *arg = opt->arg;
|
int flags = opt->flags | real->flags;
|
int flags = opt->flags | real->flags;
|
|
|
if (! arg)
|
if (! arg)
|
arg = real->arg;
|
arg = real->arg;
|
|
|
if (arg && !(flags & OPTION_NO_USAGE))
|
if (arg && !(flags & OPTION_NO_USAGE))
|
{
|
{
|
arg = dgettext (domain, arg);
|
arg = dgettext (domain, arg);
|
|
|
if (flags & OPTION_ARG_OPTIONAL)
|
if (flags & OPTION_ARG_OPTIONAL)
|
__argp_fmtstream_printf (stream, " [-%c[%s]]", opt->key, arg);
|
__argp_fmtstream_printf (stream, " [-%c[%s]]", opt->key, arg);
|
else
|
else
|
{
|
{
|
/* Manually do line wrapping so that it (probably) won't
|
/* Manually do line wrapping so that it (probably) won't
|
get wrapped at the embedded space. */
|
get wrapped at the embedded space. */
|
space (stream, 6 + strlen (arg));
|
space (stream, 6 + strlen (arg));
|
__argp_fmtstream_printf (stream, "[-%c %s]", opt->key, arg);
|
__argp_fmtstream_printf (stream, "[-%c %s]", opt->key, arg);
|
}
|
}
|
}
|
}
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Output a usage entry for the long option opt to the stream pointed at by
|
/* Output a usage entry for the long option opt to the stream pointed at by
|
COOKIE. */
|
COOKIE. */
|
static int
|
static int
|
usage_long_opt (const struct argp_option *opt,
|
usage_long_opt (const struct argp_option *opt,
|
const struct argp_option *real,
|
const struct argp_option *real,
|
const char *domain, void *cookie)
|
const char *domain, void *cookie)
|
{
|
{
|
argp_fmtstream_t stream = cookie;
|
argp_fmtstream_t stream = cookie;
|
const char *arg = opt->arg;
|
const char *arg = opt->arg;
|
int flags = opt->flags | real->flags;
|
int flags = opt->flags | real->flags;
|
|
|
if (! arg)
|
if (! arg)
|
arg = real->arg;
|
arg = real->arg;
|
|
|
if (! (flags & OPTION_NO_USAGE))
|
if (! (flags & OPTION_NO_USAGE))
|
{
|
{
|
if (arg)
|
if (arg)
|
{
|
{
|
arg = dgettext (domain, arg);
|
arg = dgettext (domain, arg);
|
if (flags & OPTION_ARG_OPTIONAL)
|
if (flags & OPTION_ARG_OPTIONAL)
|
__argp_fmtstream_printf (stream, " [--%s[=%s]]", opt->name, arg);
|
__argp_fmtstream_printf (stream, " [--%s[=%s]]", opt->name, arg);
|
else
|
else
|
__argp_fmtstream_printf (stream, " [--%s=%s]", opt->name, arg);
|
__argp_fmtstream_printf (stream, " [--%s=%s]", opt->name, arg);
|
}
|
}
|
else
|
else
|
__argp_fmtstream_printf (stream, " [--%s]", opt->name);
|
__argp_fmtstream_printf (stream, " [--%s]", opt->name);
|
}
|
}
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Print a short usage description for the arguments in HOL to STREAM. */
|
/* Print a short usage description for the arguments in HOL to STREAM. */
|
static void
|
static void
|
hol_usage (struct hol *hol, argp_fmtstream_t stream)
|
hol_usage (struct hol *hol, argp_fmtstream_t stream)
|
{
|
{
|
if (hol->num_entries > 0)
|
if (hol->num_entries > 0)
|
{
|
{
|
unsigned nentries;
|
unsigned nentries;
|
struct hol_entry *entry;
|
struct hol_entry *entry;
|
char *short_no_arg_opts = alloca (strlen (hol->short_options) + 1);
|
char *short_no_arg_opts = alloca (strlen (hol->short_options) + 1);
|
char *snao_end = short_no_arg_opts;
|
char *snao_end = short_no_arg_opts;
|
|
|
/* First we put a list of short options without arguments. */
|
/* First we put a list of short options without arguments. */
|
for (entry = hol->entries, nentries = hol->num_entries
|
for (entry = hol->entries, nentries = hol->num_entries
|
; nentries > 0
|
; nentries > 0
|
; entry++, nentries--)
|
; entry++, nentries--)
|
hol_entry_short_iterate (entry, add_argless_short_opt,
|
hol_entry_short_iterate (entry, add_argless_short_opt,
|
entry->argp->argp_domain, &snao_end);
|
entry->argp->argp_domain, &snao_end);
|
if (snao_end > short_no_arg_opts)
|
if (snao_end > short_no_arg_opts)
|
{
|
{
|
*snao_end++ = 0;
|
*snao_end++ = 0;
|
__argp_fmtstream_printf (stream, " [-%s]", short_no_arg_opts);
|
__argp_fmtstream_printf (stream, " [-%s]", short_no_arg_opts);
|
}
|
}
|
|
|
/* Now a list of short options *with* arguments. */
|
/* Now a list of short options *with* arguments. */
|
for (entry = hol->entries, nentries = hol->num_entries
|
for (entry = hol->entries, nentries = hol->num_entries
|
; nentries > 0
|
; nentries > 0
|
; entry++, nentries--)
|
; entry++, nentries--)
|
hol_entry_short_iterate (entry, usage_argful_short_opt,
|
hol_entry_short_iterate (entry, usage_argful_short_opt,
|
entry->argp->argp_domain, stream);
|
entry->argp->argp_domain, stream);
|
|
|
/* Finally, a list of long options (whew!). */
|
/* Finally, a list of long options (whew!). */
|
for (entry = hol->entries, nentries = hol->num_entries
|
for (entry = hol->entries, nentries = hol->num_entries
|
; nentries > 0
|
; nentries > 0
|
; entry++, nentries--)
|
; entry++, nentries--)
|
hol_entry_long_iterate (entry, usage_long_opt,
|
hol_entry_long_iterate (entry, usage_long_opt,
|
entry->argp->argp_domain, stream);
|
entry->argp->argp_domain, stream);
|
}
|
}
|
}
|
}
|
|
|
/* Make a HOL containing all levels of options in ARGP. CLUSTER is the
|
/* Make a HOL containing all levels of options in ARGP. CLUSTER is the
|
cluster in which ARGP's entries should be clustered, or 0. */
|
cluster in which ARGP's entries should be clustered, or 0. */
|
static struct hol *
|
static struct hol *
|
argp_hol (const struct argp *argp, struct hol_cluster *cluster)
|
argp_hol (const struct argp *argp, struct hol_cluster *cluster)
|
{
|
{
|
const struct argp_child *child = argp->children;
|
const struct argp_child *child = argp->children;
|
struct hol *hol = make_hol (argp, cluster);
|
struct hol *hol = make_hol (argp, cluster);
|
if (child)
|
if (child)
|
while (child->argp)
|
while (child->argp)
|
{
|
{
|
struct hol_cluster *child_cluster =
|
struct hol_cluster *child_cluster =
|
((child->group || child->header)
|
((child->group || child->header)
|
/* Put CHILD->argp within its own cluster. */
|
/* Put CHILD->argp within its own cluster. */
|
? hol_add_cluster (hol, child->group, child->header,
|
? hol_add_cluster (hol, child->group, child->header,
|
child - argp->children, cluster, argp)
|
child - argp->children, cluster, argp)
|
/* Just merge it into the parent's cluster. */
|
/* Just merge it into the parent's cluster. */
|
: cluster);
|
: cluster);
|
hol_append (hol, argp_hol (child->argp, child_cluster)) ;
|
hol_append (hol, argp_hol (child->argp, child_cluster)) ;
|
child++;
|
child++;
|
}
|
}
|
return hol;
|
return hol;
|
}
|
}
|
|
|
/* Calculate how many different levels with alternative args strings exist in
|
/* Calculate how many different levels with alternative args strings exist in
|
ARGP. */
|
ARGP. */
|
static size_t
|
static size_t
|
argp_args_levels (const struct argp *argp)
|
argp_args_levels (const struct argp *argp)
|
{
|
{
|
size_t levels = 0;
|
size_t levels = 0;
|
const struct argp_child *child = argp->children;
|
const struct argp_child *child = argp->children;
|
|
|
if (argp->args_doc && strchr (argp->args_doc, '\n'))
|
if (argp->args_doc && strchr (argp->args_doc, '\n'))
|
levels++;
|
levels++;
|
|
|
if (child)
|
if (child)
|
while (child->argp)
|
while (child->argp)
|
levels += argp_args_levels ((child++)->argp);
|
levels += argp_args_levels ((child++)->argp);
|
|
|
return levels;
|
return levels;
|
}
|
}
|
|
|
/* Print all the non-option args documented in ARGP to STREAM. Any output is
|
/* Print all the non-option args documented in ARGP to STREAM. Any output is
|
preceded by a space. LEVELS is a pointer to a byte vector the length
|
preceded by a space. LEVELS is a pointer to a byte vector the length
|
returned by argp_args_levels; it should be initialized to zero, and
|
returned by argp_args_levels; it should be initialized to zero, and
|
updated by this routine for the next call if ADVANCE is true. True is
|
updated by this routine for the next call if ADVANCE is true. True is
|
returned as long as there are more patterns to output. */
|
returned as long as there are more patterns to output. */
|
static int
|
static int
|
argp_args_usage (const struct argp *argp, const struct argp_state *state,
|
argp_args_usage (const struct argp *argp, const struct argp_state *state,
|
char **levels, int advance, argp_fmtstream_t stream)
|
char **levels, int advance, argp_fmtstream_t stream)
|
{
|
{
|
char *our_level = *levels;
|
char *our_level = *levels;
|
int multiple = 0;
|
int multiple = 0;
|
const struct argp_child *child = argp->children;
|
const struct argp_child *child = argp->children;
|
const char *tdoc = dgettext (argp->argp_domain, argp->args_doc), *nl = 0;
|
const char *tdoc = dgettext (argp->argp_domain, argp->args_doc), *nl = 0;
|
const char *fdoc = filter_doc (tdoc, ARGP_KEY_HELP_ARGS_DOC, argp, state);
|
const char *fdoc = filter_doc (tdoc, ARGP_KEY_HELP_ARGS_DOC, argp, state);
|
|
|
if (fdoc)
|
if (fdoc)
|
{
|
{
|
const char *cp = fdoc;
|
const char *cp = fdoc;
|
nl = strchr (cp, '\n');
|
nl = strchr (cp, '\n');
|
if (!nl)
|
if (!nl)
|
{
|
{
|
nl = cp;
|
nl = cp;
|
while (*nl != '\0') nl++;
|
while (*nl != '\0') nl++;
|
}
|
}
|
|
|
if (*nl != '\0')
|
if (*nl != '\0')
|
/* This is a `multi-level' args doc; advance to the correct position
|
/* This is a `multi-level' args doc; advance to the correct position
|
as determined by our state in LEVELS, and update LEVELS. */
|
as determined by our state in LEVELS, and update LEVELS. */
|
{
|
{
|
int i;
|
int i;
|
multiple = 1;
|
multiple = 1;
|
for (i = 0; i < *our_level; i++)
|
for (i = 0; i < *our_level; i++)
|
{
|
{
|
cp = nl + 1;
|
cp = nl + 1;
|
nl = strchr (cp, '\n');
|
nl = strchr (cp, '\n');
|
if (!nl)
|
if (!nl)
|
{
|
{
|
nl = cp;
|
nl = cp;
|
while (*nl != '\0') nl++;
|
while (*nl != '\0') nl++;
|
}
|
}
|
}
|
}
|
(*levels)++;
|
(*levels)++;
|
}
|
}
|
|
|
/* Manually do line wrapping so that it (probably) won't get wrapped at
|
/* Manually do line wrapping so that it (probably) won't get wrapped at
|
any embedded spaces. */
|
any embedded spaces. */
|
space (stream, 1 + nl - cp);
|
space (stream, 1 + nl - cp);
|
|
|
__argp_fmtstream_write (stream, cp, nl - cp);
|
__argp_fmtstream_write (stream, cp, nl - cp);
|
}
|
}
|
if (fdoc && fdoc != tdoc)
|
if (fdoc && fdoc != tdoc)
|
free ((char *)fdoc); /* Free user's modified doc string. */
|
free ((char *)fdoc); /* Free user's modified doc string. */
|
|
|
if (child)
|
if (child)
|
while (child->argp)
|
while (child->argp)
|
advance = !argp_args_usage ((child++)->argp, state, levels, advance, stream);
|
advance = !argp_args_usage ((child++)->argp, state, levels, advance, stream);
|
|
|
if (advance && multiple)
|
if (advance && multiple)
|
{
|
{
|
/* Need to increment our level. */
|
/* Need to increment our level. */
|
if (*nl)
|
if (*nl)
|
/* There's more we can do here. */
|
/* There's more we can do here. */
|
{
|
{
|
(*our_level)++;
|
(*our_level)++;
|
advance = 0; /* Our parent shouldn't advance also. */
|
advance = 0; /* Our parent shouldn't advance also. */
|
}
|
}
|
else if (*our_level > 0)
|
else if (*our_level > 0)
|
/* We had multiple levels, but used them up; reset to zero. */
|
/* We had multiple levels, but used them up; reset to zero. */
|
*our_level = 0;
|
*our_level = 0;
|
}
|
}
|
|
|
return !advance;
|
return !advance;
|
}
|
}
|
|
|
/* Print the documentation for ARGP to STREAM; if POST is false, then
|
/* Print the documentation for ARGP to STREAM; if POST is false, then
|
everything preceeding a `\v' character in the documentation strings (or
|
everything preceeding a `\v' character in the documentation strings (or
|
the whole string, for those with none) is printed, otherwise, everything
|
the whole string, for those with none) is printed, otherwise, everything
|
following the `\v' character (nothing for strings without). Each separate
|
following the `\v' character (nothing for strings without). Each separate
|
bit of documentation is separated a blank line, and if PRE_BLANK is true,
|
bit of documentation is separated a blank line, and if PRE_BLANK is true,
|
then the first is as well. If FIRST_ONLY is true, only the first
|
then the first is as well. If FIRST_ONLY is true, only the first
|
occurrence is output. Returns true if anything was output. */
|
occurrence is output. Returns true if anything was output. */
|
static int
|
static int
|
argp_doc (const struct argp *argp, const struct argp_state *state,
|
argp_doc (const struct argp *argp, const struct argp_state *state,
|
int post, int pre_blank, int first_only,
|
int post, int pre_blank, int first_only,
|
argp_fmtstream_t stream)
|
argp_fmtstream_t stream)
|
{
|
{
|
const char *text;
|
const char *text;
|
const char *inp_text;
|
const char *inp_text;
|
char *tmp_text;
|
char *tmp_text;
|
void *input = 0;
|
void *input = 0;
|
int anything = 0;
|
int anything = 0;
|
size_t inp_text_limit = 0;
|
size_t inp_text_limit = 0;
|
const char *doc = dgettext (argp->argp_domain, argp->doc);
|
const char *doc = dgettext (argp->argp_domain, argp->doc);
|
const struct argp_child *child = argp->children;
|
const struct argp_child *child = argp->children;
|
|
|
if (doc)
|
if (doc)
|
{
|
{
|
char *vt = strchr (doc, '\v');
|
char *vt = strchr (doc, '\v');
|
inp_text = post ? (vt ? vt + 1 : 0) : doc;
|
inp_text = post ? (vt ? vt + 1 : 0) : doc;
|
inp_text_limit = (!post && vt) ? (vt - doc) : 0;
|
inp_text_limit = (!post && vt) ? (vt - doc) : 0;
|
}
|
}
|
else
|
else
|
inp_text = 0;
|
inp_text = 0;
|
|
|
if (argp->help_filter)
|
if (argp->help_filter)
|
/* We have to filter the doc strings. */
|
/* We have to filter the doc strings. */
|
{
|
{
|
if (inp_text_limit)
|
if (inp_text_limit)
|
{
|
{
|
/* Copy INP_TEXT so that it's nul-terminated. */
|
/* Copy INP_TEXT so that it's nul-terminated. */
|
tmp_text = _malloc_r (_REENT, inp_text_limit);
|
tmp_text = _malloc_r (_REENT, inp_text_limit);
|
strncpy (tmp_text, inp_text, inp_text_limit);
|
strncpy (tmp_text, inp_text, inp_text_limit);
|
_free_r (_REENT, inp_text);
|
_free_r (_REENT, inp_text);
|
inp_text = tmp_text;
|
inp_text = tmp_text;
|
}
|
}
|
input = __argp_input (argp, state);
|
input = __argp_input (argp, state);
|
text =
|
text =
|
(*argp->help_filter) (post
|
(*argp->help_filter) (post
|
? ARGP_KEY_HELP_POST_DOC
|
? ARGP_KEY_HELP_POST_DOC
|
: ARGP_KEY_HELP_PRE_DOC,
|
: ARGP_KEY_HELP_PRE_DOC,
|
inp_text, input);
|
inp_text, input);
|
}
|
}
|
else
|
else
|
text = (const char *) inp_text;
|
text = (const char *) inp_text;
|
|
|
if (text)
|
if (text)
|
{
|
{
|
if (pre_blank)
|
if (pre_blank)
|
__argp_fmtstream_putc (stream, '\n');
|
__argp_fmtstream_putc (stream, '\n');
|
|
|
if (text == inp_text && inp_text_limit)
|
if (text == inp_text && inp_text_limit)
|
__argp_fmtstream_write (stream, inp_text, inp_text_limit);
|
__argp_fmtstream_write (stream, inp_text, inp_text_limit);
|
else
|
else
|
__argp_fmtstream_puts (stream, text);
|
__argp_fmtstream_puts (stream, text);
|
|
|
if (__argp_fmtstream_point (stream) > __argp_fmtstream_lmargin (stream))
|
if (__argp_fmtstream_point (stream) > __argp_fmtstream_lmargin (stream))
|
__argp_fmtstream_putc (stream, '\n');
|
__argp_fmtstream_putc (stream, '\n');
|
|
|
anything = 1;
|
anything = 1;
|
}
|
}
|
|
|
if (text && text != inp_text)
|
if (text && text != inp_text)
|
free ((char *) text); /* Free TEXT returned from the help filter. */
|
free ((char *) text); /* Free TEXT returned from the help filter. */
|
if (inp_text && inp_text_limit && argp->help_filter)
|
if (inp_text && inp_text_limit && argp->help_filter)
|
free ((char *) inp_text); /* We copied INP_TEXT, so free it now. */
|
free ((char *) inp_text); /* We copied INP_TEXT, so free it now. */
|
|
|
if (post && argp->help_filter)
|
if (post && argp->help_filter)
|
/* Now see if we have to output a ARGP_KEY_HELP_EXTRA text. */
|
/* Now see if we have to output a ARGP_KEY_HELP_EXTRA text. */
|
{
|
{
|
text = (*argp->help_filter) (ARGP_KEY_HELP_EXTRA, 0, input);
|
text = (*argp->help_filter) (ARGP_KEY_HELP_EXTRA, 0, input);
|
if (text)
|
if (text)
|
{
|
{
|
if (anything || pre_blank)
|
if (anything || pre_blank)
|
__argp_fmtstream_putc (stream, '\n');
|
__argp_fmtstream_putc (stream, '\n');
|
__argp_fmtstream_puts (stream, text);
|
__argp_fmtstream_puts (stream, text);
|
free ((char *) text);
|
free ((char *) text);
|
if (__argp_fmtstream_point (stream)
|
if (__argp_fmtstream_point (stream)
|
> __argp_fmtstream_lmargin (stream))
|
> __argp_fmtstream_lmargin (stream))
|
__argp_fmtstream_putc (stream, '\n');
|
__argp_fmtstream_putc (stream, '\n');
|
anything = 1;
|
anything = 1;
|
}
|
}
|
}
|
}
|
|
|
if (child)
|
if (child)
|
while (child->argp && !(first_only && anything))
|
while (child->argp && !(first_only && anything))
|
anything |=
|
anything |=
|
argp_doc ((child++)->argp, state,
|
argp_doc ((child++)->argp, state,
|
post, anything || pre_blank, first_only,
|
post, anything || pre_blank, first_only,
|
stream);
|
stream);
|
|
|
return anything;
|
return anything;
|
}
|
}
|
|
|
/* Output a usage message for ARGP to STREAM. If called from
|
/* Output a usage message for ARGP to STREAM. If called from
|
argp_state_help, STATE is the relevent parsing state. FLAGS are from the
|
argp_state_help, STATE is the relevent parsing state. FLAGS are from the
|
set ARGP_HELP_*. NAME is what to use wherever a `program name' is
|
set ARGP_HELP_*. NAME is what to use wherever a `program name' is
|
needed. */
|
needed. */
|
static void
|
static void
|
_help (const struct argp *argp, const struct argp_state *state, FILE *stream,
|
_help (const struct argp *argp, const struct argp_state *state, FILE *stream,
|
unsigned flags, char *name)
|
unsigned flags, char *name)
|
{
|
{
|
int anything = 0; /* Whether we've output anything. */
|
int anything = 0; /* Whether we've output anything. */
|
struct hol *hol = 0;
|
struct hol *hol = 0;
|
argp_fmtstream_t fs;
|
argp_fmtstream_t fs;
|
|
|
if (! stream)
|
if (! stream)
|
return;
|
return;
|
|
|
_flockfile (stream);
|
_flockfile (stream);
|
|
|
if (! uparams.valid)
|
if (! uparams.valid)
|
fill_in_uparams (state);
|
fill_in_uparams (state);
|
|
|
fs = __argp_make_fmtstream (stream, 0, uparams.rmargin, 0);
|
fs = __argp_make_fmtstream (stream, 0, uparams.rmargin, 0);
|
if (! fs)
|
if (! fs)
|
{
|
{
|
_funlockfile (stream);
|
_funlockfile (stream);
|
return;
|
return;
|
}
|
}
|
|
|
if (flags & (ARGP_HELP_USAGE | ARGP_HELP_SHORT_USAGE | ARGP_HELP_LONG))
|
if (flags & (ARGP_HELP_USAGE | ARGP_HELP_SHORT_USAGE | ARGP_HELP_LONG))
|
{
|
{
|
hol = argp_hol (argp, 0);
|
hol = argp_hol (argp, 0);
|
|
|
/* If present, these options always come last. */
|
/* If present, these options always come last. */
|
hol_set_group (hol, "help", -1);
|
hol_set_group (hol, "help", -1);
|
hol_set_group (hol, "version", -1);
|
hol_set_group (hol, "version", -1);
|
|
|
hol_sort (hol);
|
hol_sort (hol);
|
}
|
}
|
|
|
if (flags & (ARGP_HELP_USAGE | ARGP_HELP_SHORT_USAGE))
|
if (flags & (ARGP_HELP_USAGE | ARGP_HELP_SHORT_USAGE))
|
/* Print a short `Usage:' message. */
|
/* Print a short `Usage:' message. */
|
{
|
{
|
int first_pattern = 1, more_patterns;
|
int first_pattern = 1, more_patterns;
|
size_t num_pattern_levels = argp_args_levels (argp);
|
size_t num_pattern_levels = argp_args_levels (argp);
|
char *pattern_levels = alloca (num_pattern_levels);
|
char *pattern_levels = alloca (num_pattern_levels);
|
|
|
memset (pattern_levels, 0, num_pattern_levels);
|
memset (pattern_levels, 0, num_pattern_levels);
|
|
|
do
|
do
|
{
|
{
|
int old_lm;
|
int old_lm;
|
int old_wm = __argp_fmtstream_set_wmargin (fs, uparams.usage_indent);
|
int old_wm = __argp_fmtstream_set_wmargin (fs, uparams.usage_indent);
|
char *levels = pattern_levels;
|
char *levels = pattern_levels;
|
|
|
if (first_pattern)
|
if (first_pattern)
|
__argp_fmtstream_printf (fs, "%s %s",
|
__argp_fmtstream_printf (fs, "%s %s",
|
dgettext (argp->argp_domain, "Usage:"),
|
dgettext (argp->argp_domain, "Usage:"),
|
name);
|
name);
|
else
|
else
|
__argp_fmtstream_printf (fs, "%s %s",
|
__argp_fmtstream_printf (fs, "%s %s",
|
dgettext (argp->argp_domain, " or: "),
|
dgettext (argp->argp_domain, " or: "),
|
name);
|
name);
|
|
|
/* We set the lmargin as well as the wmargin, because hol_usage
|
/* We set the lmargin as well as the wmargin, because hol_usage
|
manually wraps options with newline to avoid annoying breaks. */
|
manually wraps options with newline to avoid annoying breaks. */
|
old_lm = __argp_fmtstream_set_lmargin (fs, uparams.usage_indent);
|
old_lm = __argp_fmtstream_set_lmargin (fs, uparams.usage_indent);
|
|
|
if (flags & ARGP_HELP_SHORT_USAGE)
|
if (flags & ARGP_HELP_SHORT_USAGE)
|
/* Just show where the options go. */
|
/* Just show where the options go. */
|
{
|
{
|
if (hol->num_entries > 0)
|
if (hol->num_entries > 0)
|
__argp_fmtstream_puts (fs, dgettext (argp->argp_domain,
|
__argp_fmtstream_puts (fs, dgettext (argp->argp_domain,
|
" [OPTION...]"));
|
" [OPTION...]"));
|
}
|
}
|
else
|
else
|
/* Actually print the options. */
|
/* Actually print the options. */
|
{
|
{
|
hol_usage (hol, fs);
|
hol_usage (hol, fs);
|
flags |= ARGP_HELP_SHORT_USAGE; /* But only do so once. */
|
flags |= ARGP_HELP_SHORT_USAGE; /* But only do so once. */
|
}
|
}
|
|
|
more_patterns = argp_args_usage (argp, state, &levels, 1, fs);
|
more_patterns = argp_args_usage (argp, state, &levels, 1, fs);
|
|
|
__argp_fmtstream_set_wmargin (fs, old_wm);
|
__argp_fmtstream_set_wmargin (fs, old_wm);
|
__argp_fmtstream_set_lmargin (fs, old_lm);
|
__argp_fmtstream_set_lmargin (fs, old_lm);
|
|
|
__argp_fmtstream_putc (fs, '\n');
|
__argp_fmtstream_putc (fs, '\n');
|
anything = 1;
|
anything = 1;
|
|
|
first_pattern = 0;
|
first_pattern = 0;
|
}
|
}
|
while (more_patterns);
|
while (more_patterns);
|
}
|
}
|
|
|
if (flags & ARGP_HELP_PRE_DOC)
|
if (flags & ARGP_HELP_PRE_DOC)
|
anything |= argp_doc (argp, state, 0, 0, 1, fs);
|
anything |= argp_doc (argp, state, 0, 0, 1, fs);
|
|
|
if (flags & ARGP_HELP_SEE)
|
if (flags & ARGP_HELP_SEE)
|
{
|
{
|
__argp_fmtstream_printf (fs, dgettext (argp->argp_domain, "\
|
__argp_fmtstream_printf (fs, dgettext (argp->argp_domain, "\
|
Try `%s --help' or `%s --usage' for more information.\n"),
|
Try `%s --help' or `%s --usage' for more information.\n"),
|
name, name);
|
name, name);
|
anything = 1;
|
anything = 1;
|
}
|
}
|
|
|
if (flags & ARGP_HELP_LONG)
|
if (flags & ARGP_HELP_LONG)
|
/* Print a long, detailed help message. */
|
/* Print a long, detailed help message. */
|
{
|
{
|
/* Print info about all the options. */
|
/* Print info about all the options. */
|
if (hol->num_entries > 0)
|
if (hol->num_entries > 0)
|
{
|
{
|
if (anything)
|
if (anything)
|
__argp_fmtstream_putc (fs, '\n');
|
__argp_fmtstream_putc (fs, '\n');
|
hol_help (hol, state, fs);
|
hol_help (hol, state, fs);
|
anything = 1;
|
anything = 1;
|
}
|
}
|
}
|
}
|
|
|
if (flags & ARGP_HELP_POST_DOC)
|
if (flags & ARGP_HELP_POST_DOC)
|
/* Print any documentation strings at the end. */
|
/* Print any documentation strings at the end. */
|
anything |= argp_doc (argp, state, 1, anything, 0, fs);
|
anything |= argp_doc (argp, state, 1, anything, 0, fs);
|
|
|
if ((flags & ARGP_HELP_BUG_ADDR) && argp_program_bug_address)
|
if ((flags & ARGP_HELP_BUG_ADDR) && argp_program_bug_address)
|
{
|
{
|
if (anything)
|
if (anything)
|
__argp_fmtstream_putc (fs, '\n');
|
__argp_fmtstream_putc (fs, '\n');
|
__argp_fmtstream_printf (fs, dgettext (argp->argp_domain,
|
__argp_fmtstream_printf (fs, dgettext (argp->argp_domain,
|
"Report bugs to %s.\n"),
|
"Report bugs to %s.\n"),
|
argp_program_bug_address);
|
argp_program_bug_address);
|
anything = 1;
|
anything = 1;
|
}
|
}
|
|
|
_funlockfile (stream);
|
_funlockfile (stream);
|
|
|
if (hol)
|
if (hol)
|
hol_free (hol);
|
hol_free (hol);
|
|
|
__argp_fmtstream_free (fs);
|
__argp_fmtstream_free (fs);
|
}
|
}
|
|
|
/* Output a usage message for ARGP to STREAM. FLAGS are from the set
|
/* Output a usage message for ARGP to STREAM. FLAGS are from the set
|
ARGP_HELP_*. NAME is what to use wherever a `program name' is needed. */
|
ARGP_HELP_*. NAME is what to use wherever a `program name' is needed. */
|
void __argp_help (const struct argp *argp, FILE *stream,
|
void __argp_help (const struct argp *argp, FILE *stream,
|
unsigned flags, char *name)
|
unsigned flags, char *name)
|
{
|
{
|
_help (argp, 0, stream, flags, name);
|
_help (argp, 0, stream, flags, name);
|
}
|
}
|
#ifdef weak_alias
|
#ifdef weak_alias
|
weak_alias (__argp_help, argp_help)
|
weak_alias (__argp_help, argp_help)
|
#endif
|
#endif
|
|
|
/* Output, if appropriate, a usage message for STATE to STREAM. FLAGS are
|
/* Output, if appropriate, a usage message for STATE to STREAM. FLAGS are
|
from the set ARGP_HELP_*. */
|
from the set ARGP_HELP_*. */
|
void
|
void
|
__argp_state_help (const struct argp_state *state, FILE *stream, unsigned flags)
|
__argp_state_help (const struct argp_state *state, FILE *stream, unsigned flags)
|
{
|
{
|
if ((!state || ! (state->flags & ARGP_NO_ERRS)) && stream)
|
if ((!state || ! (state->flags & ARGP_NO_ERRS)) && stream)
|
{
|
{
|
if (state && (state->flags & ARGP_LONG_ONLY))
|
if (state && (state->flags & ARGP_LONG_ONLY))
|
flags |= ARGP_HELP_LONG_ONLY;
|
flags |= ARGP_HELP_LONG_ONLY;
|
|
|
_help (state ? state->root_argp : 0, state, stream, flags,
|
_help (state ? state->root_argp : 0, state, stream, flags,
|
state ? state->name : program_invocation_short_name);
|
state ? state->name : program_invocation_short_name);
|
|
|
if (!state || ! (state->flags & ARGP_NO_EXIT))
|
if (!state || ! (state->flags & ARGP_NO_EXIT))
|
{
|
{
|
if (flags & ARGP_HELP_EXIT_ERR)
|
if (flags & ARGP_HELP_EXIT_ERR)
|
exit (argp_err_exit_status);
|
exit (argp_err_exit_status);
|
if (flags & ARGP_HELP_EXIT_OK)
|
if (flags & ARGP_HELP_EXIT_OK)
|
exit (0);
|
exit (0);
|
}
|
}
|
}
|
}
|
}
|
}
|
#ifdef weak_alias
|
#ifdef weak_alias
|
weak_alias (__argp_state_help, argp_state_help)
|
weak_alias (__argp_state_help, argp_state_help)
|
#endif
|
#endif
|
|
|
/* If appropriate, print the printf string FMT and following args, preceded
|
/* If appropriate, print the printf string FMT and following args, preceded
|
by the program name and `:', to stderr, and followed by a `Try ... --help'
|
by the program name and `:', to stderr, and followed by a `Try ... --help'
|
message, then exit (1). */
|
message, then exit (1). */
|
void
|
void
|
__argp_error (const struct argp_state *state, const char *fmt, ...)
|
__argp_error (const struct argp_state *state, const char *fmt, ...)
|
{
|
{
|
if (!state || !(state->flags & ARGP_NO_ERRS))
|
if (!state || !(state->flags & ARGP_NO_ERRS))
|
{
|
{
|
FILE *stream = state ? state->err_stream : stderr;
|
FILE *stream = state ? state->err_stream : stderr;
|
|
|
if (stream)
|
if (stream)
|
{
|
{
|
va_list ap;
|
va_list ap;
|
|
|
_flockfile (stream);
|
_flockfile (stream);
|
|
|
va_start (ap, fmt);
|
va_start (ap, fmt);
|
|
|
#ifdef USE_IN_LIBIO
|
#ifdef USE_IN_LIBIO
|
if (_IO_fwide (stream, 0) > 0)
|
if (_IO_fwide (stream, 0) > 0)
|
{
|
{
|
char *buf;
|
char *buf;
|
|
|
__asprintf (&buf, fmt, ap);
|
__asprintf (&buf, fmt, ap);
|
|
|
__fwprintf (stream, L"%s: %s\n",
|
__fwprintf (stream, L"%s: %s\n",
|
state ? state->name : program_invocation_short_name,
|
state ? state->name : program_invocation_short_name,
|
buf);
|
buf);
|
|
|
free (buf);
|
free (buf);
|
}
|
}
|
else
|
else
|
#endif
|
#endif
|
{
|
{
|
fputs (state
|
fputs (state
|
? state->name : program_invocation_short_name,
|
? state->name : program_invocation_short_name,
|
stream);
|
stream);
|
putc_unlocked (':', stream);
|
putc_unlocked (':', stream);
|
putc_unlocked (' ', stream);
|
putc_unlocked (' ', stream);
|
|
|
vfprintf (stream, fmt, ap);
|
vfprintf (stream, fmt, ap);
|
|
|
putc_unlocked ('\n', stream);
|
putc_unlocked ('\n', stream);
|
}
|
}
|
|
|
__argp_state_help (state, stream, ARGP_HELP_STD_ERR);
|
__argp_state_help (state, stream, ARGP_HELP_STD_ERR);
|
|
|
va_end (ap);
|
va_end (ap);
|
|
|
_funlockfile (stream);
|
_funlockfile (stream);
|
}
|
}
|
}
|
}
|
}
|
}
|
#ifdef weak_alias
|
#ifdef weak_alias
|
weak_alias (__argp_error, argp_error)
|
weak_alias (__argp_error, argp_error)
|
#endif
|
#endif
|
|
|
/* Similar to the standard gnu error-reporting function error(), but will
|
/* Similar to the standard gnu error-reporting function error(), but will
|
respect the ARGP_NO_EXIT and ARGP_NO_ERRS flags in STATE, and will print
|
respect the ARGP_NO_EXIT and ARGP_NO_ERRS flags in STATE, and will print
|
to STATE->err_stream. This is useful for argument parsing code that is
|
to STATE->err_stream. This is useful for argument parsing code that is
|
shared between program startup (when exiting is desired) and runtime
|
shared between program startup (when exiting is desired) and runtime
|
option parsing (when typically an error code is returned instead). The
|
option parsing (when typically an error code is returned instead). The
|
difference between this function and argp_error is that the latter is for
|
difference between this function and argp_error is that the latter is for
|
*parsing errors*, and the former is for other problems that occur during
|
*parsing errors*, and the former is for other problems that occur during
|
parsing but don't reflect a (syntactic) problem with the input. */
|
parsing but don't reflect a (syntactic) problem with the input. */
|
void
|
void
|
__argp_failure (const struct argp_state *state, int status, int errnum,
|
__argp_failure (const struct argp_state *state, int status, int errnum,
|
const char *fmt, ...)
|
const char *fmt, ...)
|
{
|
{
|
if (!state || !(state->flags & ARGP_NO_ERRS))
|
if (!state || !(state->flags & ARGP_NO_ERRS))
|
{
|
{
|
FILE *stream = state ? state->err_stream : stderr;
|
FILE *stream = state ? state->err_stream : stderr;
|
|
|
if (stream)
|
if (stream)
|
{
|
{
|
_flockfile (stream);
|
_flockfile (stream);
|
|
|
#ifdef USE_IN_LIBIO
|
#ifdef USE_IN_LIBIO
|
if (_IO_fwide (stream, 0) > 0)
|
if (_IO_fwide (stream, 0) > 0)
|
__fwprintf (stream, L"%s",
|
__fwprintf (stream, L"%s",
|
state ? state->name : program_invocation_short_name);
|
state ? state->name : program_invocation_short_name);
|
else
|
else
|
#endif
|
#endif
|
fputs (state
|
fputs (state
|
? state->name : program_invocation_short_name,
|
? state->name : program_invocation_short_name,
|
stream);
|
stream);
|
|
|
if (fmt)
|
if (fmt)
|
{
|
{
|
va_list ap;
|
va_list ap;
|
|
|
va_start (ap, fmt);
|
va_start (ap, fmt);
|
#ifdef USE_IN_LIBIO
|
#ifdef USE_IN_LIBIO
|
if (_IO_fwide (stream, 0) > 0)
|
if (_IO_fwide (stream, 0) > 0)
|
{
|
{
|
char *buf;
|
char *buf;
|
|
|
__asprintf (&buf, fmt, ap);
|
__asprintf (&buf, fmt, ap);
|
|
|
__fwprintf (stream, L": %s", buf);
|
__fwprintf (stream, L": %s", buf);
|
|
|
free (buf);
|
free (buf);
|
}
|
}
|
else
|
else
|
#endif
|
#endif
|
{
|
{
|
putc_unlocked (':', stream);
|
putc_unlocked (':', stream);
|
putc_unlocked (' ', stream);
|
putc_unlocked (' ', stream);
|
|
|
vfprintf (stream, fmt, ap);
|
vfprintf (stream, fmt, ap);
|
}
|
}
|
|
|
va_end (ap);
|
va_end (ap);
|
}
|
}
|
|
|
if (errnum)
|
if (errnum)
|
{
|
{
|
char buf[200];
|
char buf[200];
|
|
|
#ifdef USE_IN_LIBIO
|
#ifdef USE_IN_LIBIO
|
if (_IO_fwide (stream, 0) > 0)
|
if (_IO_fwide (stream, 0) > 0)
|
__fwprintf (stream, L": %s",
|
__fwprintf (stream, L": %s",
|
strerror_r (errnum, buf, sizeof (buf)));
|
strerror_r (errnum, buf, sizeof (buf)));
|
else
|
else
|
#endif
|
#endif
|
{
|
{
|
putc_unlocked (':', stream);
|
putc_unlocked (':', stream);
|
putc_unlocked (' ', stream);
|
putc_unlocked (' ', stream);
|
fputs (strerror_r (errnum, buf, sizeof (buf)), stream);
|
fputs (strerror_r (errnum, buf, sizeof (buf)), stream);
|
}
|
}
|
}
|
}
|
|
|
#ifdef USE_IN_LIBIO
|
#ifdef USE_IN_LIBIO
|
if (_IO_fwide (stream, 0) > 0)
|
if (_IO_fwide (stream, 0) > 0)
|
putwc_unlocked (L'\n', stream);
|
putwc_unlocked (L'\n', stream);
|
else
|
else
|
#endif
|
#endif
|
putc_unlocked ('\n', stream);
|
putc_unlocked ('\n', stream);
|
|
|
_funlockfile (stream);
|
_funlockfile (stream);
|
|
|
if (status && (!state || !(state->flags & ARGP_NO_EXIT)))
|
if (status && (!state || !(state->flags & ARGP_NO_EXIT)))
|
exit (status);
|
exit (status);
|
}
|
}
|
}
|
}
|
}
|
}
|
#ifdef weak_alias
|
#ifdef weak_alias
|
weak_alias (__argp_failure, argp_failure)
|
weak_alias (__argp_failure, argp_failure)
|
#endif
|
#endif
|
|
|
