1 /* PSPP - a program for statistical analysis.
2 Copyright (C) 2007, 2010, 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 SPREADSHEET_READ_H
18 #define SPREADSHEET_READ_H 1
21 #include <libpspp/compiler.h>
25 /* Default width of string variables. */
26 #define SPREADSHEET_DEFAULT_WIDTH 8
28 /* These elements are read/write.
29 They may be passed in NULL (for pointers) or negative for integers, in which
30 case they will be filled in be the function.
32 struct spreadsheet_read_options
34 char *sheet_name ; /* The name of the sheet to open (in UTF-8) */
35 int sheet_index ; /* The index of the sheet to open (only used if sheet_name is NULL).
36 The first index is 1 NOT 0 */
37 char *cell_range ; /* The cell range (in UTF-8) */
38 bool read_names ; /* True if the first row is to be used as the names of the variables */
39 int asw ; /* The width of string variables in the created dictionary */
42 int ps26_to_int (const char *str);
43 char * int_to_ps26 (int);
45 bool convert_cell_ref (const char *ref,
47 int *coli, int *rowi);
50 #define _xml(X) (CHAR_CAST (const xmlChar *, (X)))
52 #define _xmlchar_to_int(X) ((X) ? atoi (CHAR_CAST (const char *, (X))) : -1)
56 /* The name of the sheet (utf8 encoding) */
59 /* The extents of the sheet. */
68 /** General spreadsheet object related things. */
71 /* A 3 letter string (null terminated) which identifies the type of
72 spreadsheet (eg: "ODS" for opendocument; "GNM" for gnumeric etc). */
75 void (*destroy) (struct spreadsheet *);
76 struct casereader* (*make_reader) (struct spreadsheet *,
77 const struct spreadsheet_read_options *);
78 const char * (*get_sheet_name) (struct spreadsheet *, int);
79 char * (*get_sheet_range) (struct spreadsheet *, int);
80 int (*get_sheet_n_sheets) (struct spreadsheet *);
81 unsigned int (*get_sheet_n_rows) (struct spreadsheet *, int);
82 unsigned int (*get_sheet_n_columns) (struct spreadsheet *, int);
83 char * (*get_sheet_cell) (struct spreadsheet *, int , int , int);
87 struct sheet_detail *sheets;
90 /** Things specific to casereaders. */
92 /* The dictionary for client's reference.
93 Client must ref or clone it if it needs a permanent or modifiable copy. */
94 struct dictionary *dict;
95 struct caseproto *proto;
96 struct ccase *first_case;
99 /* Where the reader should start and stop. */
107 struct casereader * spreadsheet_make_reader (struct spreadsheet *, const struct spreadsheet_read_options *);
109 const char * spreadsheet_get_sheet_name (struct spreadsheet *s, int n) OPTIMIZE(2);
110 char * spreadsheet_get_sheet_range (struct spreadsheet *s, int n) OPTIMIZE(2);
111 int spreadsheet_get_sheet_n_sheets (struct spreadsheet *s) OPTIMIZE(2);
112 unsigned int spreadsheet_get_sheet_n_rows (struct spreadsheet *s, int n) OPTIMIZE(2);
113 unsigned int spreadsheet_get_sheet_n_columns (struct spreadsheet *s, int n) OPTIMIZE(2);
115 char * spreadsheet_get_cell (struct spreadsheet *s, int n, int row, int column);
117 char * create_cell_ref (int col0, int row0);
118 char *create_cell_range (int col0, int row0, int coli, int rowi);
120 struct spreadsheet * spreadsheet_ref (struct spreadsheet *s) WARN_UNUSED_RESULT;
121 void spreadsheet_unref (struct spreadsheet *);
124 #define SPREADSHEET_CAST(X) ((struct spreadsheet *)(X))