1 /* PSPP - a program for statistical analysis.
2 Copyright (C) 2007, 2011, 2016 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/>. */
17 #ifndef LANGUAGE_DATA_IO_DATA_PARSER_H
18 #define LANGUAGE_DATA_IO_DATA_PARSER_H
20 /* Abstraction of a DATA LIST or GET DATA TYPE=TXT data parser. */
23 #include "data/case.h"
24 #include "libpspp/str.h"
34 /* Type of data read by a data parser. */
37 DP_FIXED, /* Fields in fixed column positions. */
38 DP_DELIMITED /* Fields delimited by e.g. commas. */
41 /* Creating and configuring any parser. */
42 struct data_parser *data_parser_create (void);
43 void data_parser_destroy (struct data_parser *);
45 enum data_parser_type data_parser_get_type (const struct data_parser *);
46 void data_parser_set_type (struct data_parser *, enum data_parser_type);
48 void data_parser_set_skip (struct data_parser *, int initial_records_to_skip);
50 /* For configuring delimited parsers only. */
51 bool data_parser_get_span (const struct data_parser *);
52 void data_parser_set_span (struct data_parser *, bool may_cases_span_records);
54 void data_parser_set_empty_line_has_field (struct data_parser *,
55 bool empty_line_has_field);
56 void data_parser_set_warn_missing_fields (struct data_parser *parser,
57 bool warn_missing_fields);
59 void data_parser_set_quotes (struct data_parser *, struct substring);
60 void data_parser_set_quote_escape (struct data_parser *, bool escape);
61 void data_parser_set_soft_delimiters (struct data_parser *, struct substring);
62 void data_parser_set_hard_delimiters (struct data_parser *, struct substring);
64 /* For configuring fixed parsers only. */
65 int data_parser_get_records (const struct data_parser *);
66 void data_parser_set_records (struct data_parser *, int records_per_case);
68 /* Field setup and parsing. */
69 void data_parser_add_delimited_field (struct data_parser *,
70 const struct fmt_spec *, int fv,
72 void data_parser_add_fixed_field (struct data_parser *,
73 const struct fmt_spec *, int fv,
75 int record, int first_column);
76 bool data_parser_any_fields (const struct data_parser *);
77 bool data_parser_parse (struct data_parser *, struct dfm_reader *,
78 struct dictionary *, struct ccase *);
79 size_t data_parser_split (const struct data_parser *, struct substring line,
80 struct string_array *);
82 /* Uses for a configured parser. */
83 void data_parser_output_description (struct data_parser *,
84 const struct file_handle *);
86 void data_parser_make_active_file (struct data_parser *, struct dataset *,
87 struct dfm_reader *, struct dictionary *,
88 struct casereader* (*func)(struct casereader *,
89 const struct dictionary *,
94 #endif /* language/data-io/data-parser.h */