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-rw-r--r--argp/argp-test.c147
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+/* Test program for argp argument parser
+ Copyright (C) 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Written by Miles Bader <miles@gnu.ai.mit.edu>.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <argp.h>
+
+char *argp_program_version = "argp-test 1.0";
+
+struct argp_option sub_options[] =
+{
+ {"subopt1", 's', 0, 0, "Nested option 1"},
+ {"subopt2", 'S', 0, 0, "Nested option 2"},
+
+ { 0, 0, 0, 0, "Some more nested options:", 10},
+ {"subopt3", 'p', 0, 0, "Nested option 3"},
+
+ {"subopt4", 'q', 0, 0, "Nested option 4", 1},
+
+ {0}
+};
+
+static const char sub_args_doc[] = "STRING...\n-";
+static const char sub_doc[] = "\vThis is the doc string from the sub-arg-parser.";
+
+static error_t
+sub_parse_opt (int key, char *arg, struct argp_state *state)
+{
+ switch (key)
+ {
+ case ARGP_KEY_NO_ARGS:
+ printf ("NO SUB ARGS\n");
+ break;
+ case ARGP_KEY_ARG:
+ printf ("SUB ARG: %s\n", arg);
+ break;
+
+ case 's' : case 'S': case 'p': case 'q':
+ printf ("SUB KEY %c\n", key);
+ break;
+
+ default:
+ return ARGP_ERR_UNKNOWN;
+ }
+ return 0;
+}
+
+static struct argp sub_argp = {
+ sub_options, sub_parse_opt, sub_args_doc, sub_doc
+};
+
+#define OPT_PGRP 1
+#define OPT_SESS 2
+
+struct argp_option options[] =
+{
+ {"pid", 'p', "PID", 0, "List the process PID"},
+ {"pgrp", OPT_PGRP,"PGRP",0, "List processes in the process group PGRP"},
+ {"no-parent", 'P', 0, 0, "Include processes without parents"},
+ {0, 'x', 0, OPTION_ALIAS},
+ {"all-fields",'Q', 0, 0, "Don't elide unusable fields (normally"
+ " if there's some reason ps can't"
+ " print a field for any process, it's"
+ " removed from the output entirely)" },
+ {"reverse", 'r', 0, 0, "Reverse the order of any sort"},
+ {"gratuitously-long-reverse-option", 0, 0, OPTION_ALIAS},
+ {"session", OPT_SESS,"SID", OPTION_ARG_OPTIONAL,
+ "Add the processes from the session"
+ " SID (which defaults to the sid of"
+ " the current process)" },
+
+ {0,0,0,0, "Here are some more options:"},
+ {"foonly", 'f', "ZOT", 0, "Glork a foonly"},
+ {"zaza", 'z', 0, 0, "Snit a zar"},
+
+ {0}
+};
+
+static const char args_doc[] = "STRING";
+static const char doc[] = "Test program for argp."
+ "\vThis doc string comes after the options."
+ "\nHey! Some manual formatting!";
+
+static error_t
+parse_opt (int key, char *arg, struct argp_state *state)
+{
+ switch (key)
+ {
+ case ARGP_KEY_NO_ARGS:
+ printf ("NO ARGS\n");
+ break;
+
+ case ARGP_KEY_ARG:
+ if (state->arg_num > 0)
+ return ARGP_ERR_UNKNOWN; /* Leave it for the sub-arg parser. */
+ printf ("ARG: %s\n", arg);
+ break;
+
+ case 'p': case 'P': case OPT_PGRP: case 'x': case 'Q':
+ case 'r': case OPT_SESS: case 'f': case 'z':
+ {
+ char buf[10];
+ if (isprint (key))
+ sprintf (buf, "%c", key);
+ else
+ sprintf (buf, "%d", key);
+ if (arg)
+ printf ("KEY %s: %s\n", buf, arg);
+ else
+ printf ("KEY %s\n", buf);
+ }
+ break;
+
+ default:
+ return ARGP_ERR_UNKNOWN;
+ }
+ return 0;
+}
+
+static struct argp_child argp_children[] = { { &sub_argp }, { 0 } };
+static struct argp argp = { options, parse_opt, args_doc, doc, argp_children };
+
+int
+main (int argc, char **argv)
+{
+ argp_parse (&argp, argc, argv, 0, 0, 0);
+ return 0;
+}