1 /* PSPP - a program for statistical analysis.
2 Copyright (C) 1997-9, 2000 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/>. */
20 /* Data file manager (dfm).
22 This module is in charge of reading and writing data files (other
23 than system files). dfm is an fhuser, so see file-handle.h for the
28 #include <libpspp/legacy-encoding.h>
35 struct dfm_reader *dfm_open_reader (struct file_handle *, struct lexer *);
36 void dfm_close_reader (struct dfm_reader *);
37 bool dfm_reader_error (const struct dfm_reader *);
38 unsigned dfm_eof (struct dfm_reader *);
39 struct substring dfm_get_record (struct dfm_reader *);
40 void dfm_expand_tabs (struct dfm_reader *);
41 enum legacy_encoding dfm_reader_get_legacy_encoding (
42 const struct dfm_reader *);
43 int dfm_get_percent_read (const struct dfm_reader *);
46 void dfm_forward_record (struct dfm_reader *);
47 void dfm_reread_record (struct dfm_reader *, size_t column);
48 void dfm_forward_columns (struct dfm_reader *, size_t columns);
49 size_t dfm_column_start (const struct dfm_reader *);
50 size_t dfm_columns_past_end (const struct dfm_reader *);
51 size_t dfm_get_column (const struct dfm_reader *, const char *);
54 void dfm_push (struct dfm_reader *);
55 void dfm_pop (struct dfm_reader *);
57 #endif /* data-reader.h */