1 /* PSPP - a program for statistical analysis.
2 Copyright (C) 1997-9, 2000, 2007 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
18 #include "command-line.h"
20 #include <libpspp/message.h>
26 #include <libpspp/alloc.h>
27 #include <libpspp/assertion.h>
28 #include <libpspp/copyleft.h>
29 #include <libpspp/message.h>
30 #include <language/syntax-file.h>
32 #include <data/settings.h>
33 #include <output/output.h>
34 #include <data/file-name.h>
35 #include <libpspp/getl.h>
36 #include <libpspp/str.h>
37 #include <libpspp/version.h>
38 #include <libpspp/verbose-msg.h>
39 #include "read-line.h"
42 #define _(msgid) gettext (msgid)
43 #define N_(msgid) msgid
45 static void usage (void);
47 /* Parses the command line specified by ARGC and ARGV as received by
48 main(). Returns true if normal execution should proceed,
49 false if the command-line indicates that PSPP should exit. */
51 parse_command_line (int argc, char **argv, struct source_stream *ss)
53 static struct option long_options[] =
55 {"algorithm", required_argument, NULL, 'a'},
56 {"command", required_argument, NULL, 'c'},
57 {"config-directory", required_argument, NULL, 'B'},
58 {"device", required_argument, NULL, 'o'},
59 {"dry-run", no_argument, NULL, 'n'},
60 {"edit", no_argument, NULL, 'n'},
61 {"error-file", required_argument, NULL, 'e'},
62 {"help", no_argument, NULL, 'h'},
63 {"include-directory", required_argument, NULL, 'I'},
64 {"interactive", no_argument, NULL, 'i'},
65 {"just-print", no_argument, NULL, 'n'},
66 {"list", no_argument, NULL, 'l'},
67 {"no-include", no_argument, NULL, 'I'},
68 {"no-statrc", no_argument, NULL, 'r'},
69 {"out-file", required_argument, NULL, 'f'},
70 {"pipe", no_argument, NULL, 'p'},
71 {"recon", no_argument, NULL, 'n'},
72 {"safer", no_argument, NULL, 's'},
73 {"syntax", required_argument, NULL, 'x'},
74 {"testing-mode", no_argument, NULL, 'T'},
75 {"verbose", no_argument, NULL, 'v'},
76 {"version", no_argument, NULL, 'V'},
82 bool cleared_device_defaults = false;
83 bool process_statrc = true;
84 bool interactive_mode = false;
89 c = getopt_long (argc, argv, "a:x:B:c:e:f:hiI:lno:prsvV", long_options, NULL);
95 /* Compatibility options */
97 if ( 0 == strcmp(optarg,"compatible") )
98 set_algorithm(COMPATIBLE);
99 else if ( 0 == strcmp(optarg,"enhanced"))
100 set_algorithm(ENHANCED);
109 if ( 0 == strcmp(optarg,"compatible") )
110 set_syntax(COMPATIBLE);
111 else if ( 0 == strcmp(optarg,"enhanced"))
112 set_syntax(ENHANCED);
120 msg_ui_set_error_file (optarg);
123 config_path = optarg;
126 printf (_("%s is not yet implemented."), "-f");
133 interactive_mode = true;
136 if (optarg == NULL || !strcmp (optarg, "-"))
137 getl_clear_include_path (ss);
139 getl_add_include_dir (ss, optarg);
142 outp_list_classes ();
145 printf (_("%s is not yet implemented."),"-n");
149 if (!cleared_device_defaults)
151 outp_configure_clear ();
152 cleared_device_defaults = true;
154 outp_configure_add (optarg);
157 printf (_("%s is not yet implemented."),"-p");
161 process_statrc = false;
167 verbose_increment_level ();
175 set_testing_mode (true);
189 char *pspprc_fn = fn_search_path ("rc", config_path);
190 if (pspprc_fn != NULL)
192 getl_append_source (ss, create_syntax_file_source (pspprc_fn));
198 for (i = optind; i < argc; i++)
199 if (strchr (argv[i], '='))
200 outp_configure_macro (argv[i]);
203 getl_append_source (ss, create_syntax_file_source (argv[i]));
207 if (!syntax_files || interactive_mode)
209 getl_append_source (ss, create_readln_source () );
210 if (!cleared_device_defaults)
211 outp_configure_add ("interactive");
217 /* Message that describes PSPP command-line syntax. */
218 static const char pre_syntax_message[] =
219 N_("PSPP, a program for statistical analysis of sample data.\n"
220 "\nUsage: %s [OPTION]... FILE...\n"
221 "\nIf a long option shows an argument as mandatory, then it is mandatory\n"
222 "for the equivalent short option also. Similarly for optional arguments.\n"
224 " -a, --algorithm={compatible|enhanced}\n"
225 " set to `compatible' if you want output\n"
226 " calculated from broken algorithms\n"
227 " -B, --config-dir=DIR set configuration directory to DIR\n"
228 " -o, --device=DEVICE select output driver DEVICE and disable defaults\n"
229 "\nInput and output:\n"
230 " -e, --error-file=FILE send error messages to FILE (appended)\n"
231 " -f, --out-file=FILE send output to FILE (overwritten)\n"
232 " -p, --pipe read syntax from stdin, send output to stdout\n"
233 " -I-, --no-include clear include path\n"
234 " -I, --include=DIR append DIR to include path\n"
235 "\nLanguage modifiers:\n"
236 " -i, --interactive interpret syntax in interactive mode\n"
237 " -n, --edit just check syntax; don't actually run the code\n"
238 " -r, --no-statrc disable execution of .pspp/rc at startup\n"
239 " -s, --safer don't allow some unsafe operations\n"
240 " -x, --syntax={compatible|enhanced}\n"
241 " set to `compatible' if you want only to accept\n"
242 " spss compatible syntax\n"
243 "\nInformative output:\n"
244 " -h, --help print this help, then exit\n"
245 " -l, --list print a list of known driver classes, then exit\n"
246 " -V, --version show PSPP version, then exit\n"
247 " -v, --verbose increments verbosity level\n"
248 "\nNon-option arguments:\n"
249 " FILE syntax file to execute\n"
250 " KEY=VALUE overrides macros in output initialization file\n"
253 /* Message that describes PSPP command-line syntax, continued. */
254 static const char post_syntax_message[] = N_("\nReport bugs to <%s>.\n");
256 /* Writes a syntax description to stdout. */
260 printf (gettext (pre_syntax_message), program_name);
261 outp_list_classes ();
262 printf (gettext (post_syntax_message), PACKAGE_BUGREPORT);