1 /* PSPP - computes sample statistics.
2 Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
3 Written by Ben Pfaff <blp@gnu.org>.
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 This program is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
25 #include <data/dictionary.h>
26 #include <data/procedure.h>
27 #include <data/variable.h>
28 #include <language/command.h>
29 #include <language/lexer/lexer.h>
30 #include <libpspp/alloc.h>
31 #include <libpspp/message.h>
32 #include <libpspp/start-date.h>
33 #include <libpspp/version.h>
34 #include <output/output.h>
37 #define _(msgid) gettext (msgid)
39 static int get_title (struct lexer *, const char *cmd, char **title);
42 cmd_title (struct lexer *lexer, struct dataset *ds UNUSED)
44 return get_title (lexer, "TITLE", &outp_title);
48 cmd_subtitle (struct lexer *lexer, struct dataset *ds UNUSED)
50 return get_title (lexer, "SUBTITLE", &outp_subtitle);
54 get_title (struct lexer *lexer, const char *cmd, char **title)
58 c = lex_look_ahead (lexer);
59 if (c == '"' || c == '\'')
62 if (!lex_force_string (lexer))
66 *title = ds_xstrdup (lex_tokstr (lexer));
68 if (lex_token (lexer) != '.')
70 msg (SE, _("%s: `.' expected after string."), cmd);
80 *title = xstrdup (lex_rest_of_line (lexer, NULL));
81 lex_discard_line (lexer);
82 for (cp = *title; *cp; cp++)
83 *cp = toupper ((unsigned char) (*cp));
88 /* Performs the FILE LABEL command. */
90 cmd_file_label (struct lexer *lexer, struct dataset *ds)
94 label = lex_rest_of_line (lexer, NULL);
95 lex_discard_line (lexer);
96 while (isspace ((unsigned char) *label))
99 dict_set_label (dataset_dict (ds), label);
104 /* Add LINE as a line of document information to dictionary
105 indented by INDENT spaces. */
107 add_document_line (struct dictionary *dict, const char *line, int indent)
109 const char *old_documents;
113 old_documents = dict_get_documents (dict);
114 old_len = old_documents != NULL ? strlen (old_documents) : 0;
115 new_documents = xmalloc (old_len + 81);
117 memcpy (new_documents, old_documents, old_len);
118 memset (new_documents + old_len, ' ', indent);
119 buf_copy_str_rpad (new_documents + old_len + indent, 80 - indent, line);
120 new_documents[old_len + 80] = '\0';
122 dict_set_documents (dict, new_documents);
124 free (new_documents);
127 /* Performs the DOCUMENT command. */
129 cmd_document (struct lexer *lexer, struct dataset *ds)
131 struct dictionary *dict = dataset_dict (ds);
132 /* Add a few header lines for reference. */
136 if (dict && dict_get_documents (dict))
137 add_document_line (dict, "", 0);
139 sprintf (buf, _("Document entered %s by %s:"), get_start_date (), version);
140 add_document_line (dict, buf, 1);
146 const char *orig_line;
149 orig_line = lex_rest_of_line (lexer, &had_dot);
150 lex_discard_line (lexer);
151 while (isspace ((unsigned char) *orig_line))
154 copy_line = xmalloc (strlen (orig_line) + 2);
155 strcpy (copy_line, orig_line);
157 strcat (copy_line, ".");
159 add_document_line (dict, copy_line, 3);
162 lex_get_line (lexer);
170 /* Performs the DROP DOCUMENTS command. */
172 cmd_drop_documents (struct lexer *lexer, struct dataset *ds)
174 dict_set_documents (dataset_dict (ds), NULL);
176 return lex_end_of_command (lexer);