1 /* PSPP - a program for statistical analysis.
2 Copyright (C) 1997, 1998, 1999, 2000, 2009, 2011, 2013, 2014, 2018 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 OUTPUT_TABLE_PROVIDER
18 #define OUTPUT_TABLE_PROVIDER 1
21 #include "output/table.h"
26 enum table_halign table_halign_interpret (enum table_halign, bool numeric);
33 struct area_style *style;
36 /* A cell in a table. */
39 /* Occupied table region.
41 d[TABLE_HORZ][0] is the leftmost column.
42 d[TABLE_HORZ][1] is the rightmost column, plus 1.
43 d[TABLE_VERT][0] is the top row.
44 d[TABLE_VERT][1] is the bottom row, plus 1.
47 d[TABLE_HORZ][1] == d[TABLE_HORZ][0] + 1
48 and d[TABLE_VERT][1] == d[TABLE_VERT][0] + 1
51 d[TABLE_HORZ][1] > d[TABLE_HORZ][0] + 1
52 or d[TABLE_VERT][1] > d[TABLE_VERT][0] + 1
54 int d[TABLE_N_AXES][2];
56 unsigned int options; /* TAB_*. */
57 char *text; /* A paragraph of text. */
59 /* Optional footnote(s). */
60 const struct footnote **footnotes;
63 const struct area_style *style;
66 void table_cell_free (struct table_cell *);
68 void table_cell_format_footnote_markers (const struct table_cell *,
71 /* Returns the number of columns that CELL spans. This is 1 for an ordinary
72 cell and greater than one for a cell that joins multiple columns. */
74 table_cell_colspan (const struct table_cell *cell)
76 return cell->d[TABLE_HORZ][1] - cell->d[TABLE_HORZ][0];
79 /* Returns the number of rows that CELL spans. This is 1 for an ordinary cell
80 and greater than one for a cell that joins multiple rows. */
82 table_cell_rowspan (const struct table_cell *cell)
84 return cell->d[TABLE_VERT][1] - cell->d[TABLE_VERT][0];
87 /* Returns true if CELL is a joined cell, that is, if it spans multiple rows
88 or columns. Otherwise, returns false. */
90 table_cell_is_joined (const struct table_cell *cell)
92 return table_cell_colspan (cell) > 1 || table_cell_rowspan (cell) > 1;
95 /* Declarations to allow defining table classes. */
100 void (*destroy) (struct table *table);
102 /* Initializes CELL with the contents of the table cell at column X and row
103 Y within TABLE. All members of CELL must be initialized. The
104 'contents' member of CELL must be set to a nonnull value.
106 The table class must allow any number of cells in the table to be
107 retrieved simultaneously; that is, TABLE must not assume that a given
108 cell will be freed before another one is retrieved using 'get_cell'.
110 The table class must allow joined cells to be retrieved, with identical
111 contents, using any (X,Y) location inside the cell.
113 The table class must not allow cells to overlap.
115 The table class should not allow a joined cell to cross the border
116 between header rows/columns and the interior of the table. That is, a
117 joined cell should be entirely within headers rows and columns or
118 entirely outside them.
120 The table class may assume that CELL will be freed before TABLE is
122 void (*get_cell) (const struct table *table, int x, int y,
123 struct table_cell *cell);
125 /* Returns one of the TAL_* enumeration constants (declared in
126 output/table.h) representing a rule running alongside one of the cells
129 See table_get_rule() in table.c for a detailed explanation of the
130 meaning of AXIS and X and Y, including a diagram. */
131 int (*get_rule) (const struct table *table,
132 enum table_axis axis, int x, int y,
133 struct cell_color *color);
136 void table_init (struct table *, const struct table_class *);
138 /* Table class implementations can call these functions or just set the
139 table's n[] and h[][] members directly. */
140 void table_set_nc (struct table *, int nc);
141 void table_set_nr (struct table *, int nr);
143 /* For use primarily by output drivers. */
145 void table_get_cell (const struct table *, int x, int y, struct table_cell *);
146 int table_get_rule (const struct table *, enum table_axis, int x, int y,
147 struct cell_color *);
148 size_t table_collect_footnotes (const struct table_item *,
149 const struct footnote ***);
151 #endif /* output/table-provider.h */