1 /* PSPP - a program for statistical analysis.
2 Copyright (C) 1997-9, 2000, 2006, 2009 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/>. */
29 #include <data/data-out.h>
30 #include <data/format.h>
31 #include <data/value.h>
32 #include <libpspp/assertion.h>
33 #include <libpspp/compiler.h>
34 #include <libpspp/misc.h>
35 #include <libpspp/pool.h>
37 #include <data/settings.h>
43 #define _(msgid) gettext (msgid)
45 const struct som_table_class tab_table_class;
46 static char *command_name;
48 /* Returns the font to use for a cell with the given OPTIONS. */
50 options_to_font (unsigned options)
52 return (options & TAB_FIX ? OUTP_FIXED
53 : options & TAB_EMPH ? OUTP_EMPHASIS
57 /* Creates a table with NC columns and NR rows. */
59 tab_create (int nc, int nr, int reallocable UNUSED)
63 t = pool_create_container (struct tab_table, container);
64 t->col_style = TAB_COL_NONE;
70 t->l = t->r = t->t = t->b = 0;
72 t->cc = pool_nmalloc (t->container, nr * nc, sizeof *t->cc);
73 t->ct = pool_malloc (t->container, nr * nc);
74 memset (t->ct, TAB_EMPTY, nc * nr);
76 t->rh = pool_nmalloc (t->container, nc, nr + 1);
77 memset (t->rh, 0, nc * (nr + 1));
79 t->rv = pool_nmalloc (t->container, nr, nc + 1);
80 memset (t->rv, UCHAR_MAX, nr * (nc + 1));
84 t->col_ofs = t->row_ofs = 0;
89 /* Destroys table T. */
91 tab_destroy (struct tab_table *t)
95 pool_destroy (t->container);
98 /* Sets the width and height of a table, in columns and rows,
99 respectively. Use only to reduce the size of a table, since it
100 does not change the amount of allocated memory. */
102 tab_resize (struct tab_table *t, int nc, int nr)
107 assert (nc + t->col_ofs <= t->cf);
108 t->nc = nc + t->col_ofs;
112 assert (nr + t->row_ofs <= t->nr);
113 t->nr = nr + t->row_ofs;
117 /* Changes either or both dimensions of a table. Consider using the
118 above routine instead if it won't waste a lot of space.
120 Changing the number of columns in a table is particularly expensive
121 in space and time. Avoid doing such. FIXME: In fact, transferring
122 of rules isn't even implemented yet. */
124 tab_realloc (struct tab_table *t, int nc, int nr)
132 tab_offset (t, 0, 0);
139 assert (nc == t->nc);
143 int mr1 = MIN (nr, t->nr);
144 int mc1 = MIN (nc, t->nc);
146 struct substring *new_cc;
147 unsigned char *new_ct;
150 new_cc = pool_nmalloc (t->container, nr * nc, sizeof *new_cc);
151 new_ct = pool_malloc (t->container, nr * nc);
152 for (r = 0; r < mr1; r++)
154 memcpy (&new_cc[r * nc], &t->cc[r * t->nc], mc1 * sizeof *t->cc);
155 memcpy (&new_ct[r * nc], &t->ct[r * t->nc], mc1);
156 memset (&new_ct[r * nc + t->nc], TAB_EMPTY, nc - t->nc);
158 pool_free (t->container, t->cc);
159 pool_free (t->container, t->ct);
164 else if (nr != t->nr)
166 t->cc = pool_nrealloc (t->container, t->cc, nr * nc, sizeof *t->cc);
167 t->ct = pool_realloc (t->container, t->ct, nr * nc);
169 t->rh = pool_nrealloc (t->container, t->rh, nc, nr + 1);
170 t->rv = pool_nrealloc (t->container, t->rv, nr, nc + 1);
174 memset (&t->rh[nc * (t->nr + 1)], TAL_0, (nr - t->nr) * nc);
175 memset (&t->rv[(nc + 1) * t->nr], UCHAR_MAX,
176 (nr - t->nr) * (nc + 1));
180 memset (&t->ct[nc * t->nr], TAB_EMPTY, nc * (nr - t->nr));
186 tab_offset (t, co, ro);
189 /* Sets the number of header rows on each side of TABLE to L on the
190 left, R on the right, T on the top, B on the bottom. Header rows
191 are repeated when a table is broken across multiple columns or
194 tab_headers (struct tab_table *table, int l, int r, int t, int b)
196 assert (table != NULL);
197 assert (l < table->nc);
198 assert (r < table->nc);
199 assert (t < table->nr);
200 assert (b < table->nr);
209 /* Set up table T so that, when it is an appropriate size, it will be
210 displayed across the page in columns.
212 STYLE is a TAB_COL_* constant. GROUP is the number of rows to take
215 tab_columns (struct tab_table *t, int style, int group)
218 t->col_style = style;
219 t->col_group = group;
224 /* Draws a vertical line to the left of cells at horizontal position X
225 from Y1 to Y2 inclusive in style STYLE, if style is not -1. */
227 tab_vline (struct tab_table *t, int style, int x, int y1, int y2)
232 if (x + t->col_ofs < 0 || x + t->col_ofs > t->nc
233 || y1 + t->row_ofs < 0 || y1 + t->row_ofs >= t->nr
234 || y2 + t->row_ofs < 0 || y2 + t->row_ofs >= t->nr)
236 printf (_("bad vline: x=%d+%d=%d y=(%d+%d=%d,%d+%d=%d) in "
237 "table size (%d,%d)\n"),
238 x, t->col_ofs, x + t->col_ofs,
239 y1, t->row_ofs, y1 + t->row_ofs,
240 y2, t->row_ofs, y2 + t->row_ofs,
254 assert (y2 <= t->nr);
259 for (y = y1; y <= y2; y++)
260 t->rv[x + (t->cf + 1) * y] = style;
264 /* Draws a horizontal line above cells at vertical position Y from X1
265 to X2 inclusive in style STYLE, if style is not -1. */
267 tab_hline (struct tab_table * t, int style, int x1, int x2, int y)
284 for (x = x1; x <= x2; x++)
285 t->rh[x + t->cf * y] = style;
289 /* Draws a box around cells (X1,Y1)-(X2,Y2) inclusive with horizontal
290 lines of style F_H and vertical lines of style F_V. Fills the
291 interior of the box with horizontal lines of style I_H and vertical
292 lines of style I_V. Any of the line styles may be -1 to avoid
293 drawing those lines. This is distinct from 0, which draws a null
296 tab_box (struct tab_table *t, int f_h, int f_v, int i_h, int i_v,
297 int x1, int y1, int x2, int y2)
302 if (x1 + t->col_ofs < 0 || x1 + t->col_ofs >= t->nc
303 || x2 + t->col_ofs < 0 || x2 + t->col_ofs >= t->nc
304 || y1 + t->row_ofs < 0 || y1 + t->row_ofs >= t->nr
305 || y2 + t->row_ofs < 0 || y2 + t->row_ofs >= t->nr)
307 printf (_("bad box: (%d+%d=%d,%d+%d=%d)-(%d+%d=%d,%d+%d=%d) "
308 "in table size (%d,%d)\n"),
309 x1, t->col_ofs, x1 + t->col_ofs,
310 y1, t->row_ofs, y1 + t->row_ofs,
311 x2, t->col_ofs, x2 + t->col_ofs,
312 y2, t->row_ofs, y2 + t->row_ofs,
333 for (x = x1; x <= x2; x++)
335 t->rh[x + t->cf * y1] = f_h;
336 t->rh[x + t->cf * (y2 + 1)] = f_h;
342 for (y = y1; y <= y2; y++)
344 t->rv[x1 + (t->cf + 1) * y] = f_v;
345 t->rv[(x2 + 1) + (t->cf + 1) * y] = f_v;
353 for (y = y1 + 1; y <= y2; y++)
357 for (x = x1; x <= x2; x++)
358 t->rh[x + t->cf * y] = i_h;
365 for (x = x1 + 1; x <= x2; x++)
369 for (y = y1; y <= y2; y++)
370 t->rv[x + (t->cf + 1) * y] = i_v;
375 /* Formats text TEXT and arguments ARGS as indicated in OPT in
376 TABLE's pool and returns the resultant string. */
377 static struct substring
378 text_format (struct tab_table *table, int opt, const char *text, va_list args)
380 assert (table != NULL && text != NULL);
382 return ss_cstr (opt & TAT_PRINTF
383 ? pool_vasprintf (table->container, text, args)
384 : pool_strdup (table->container, text));
387 /* Set the title of table T to TITLE, which is formatted as if
388 passed to printf(). */
390 tab_title (struct tab_table *t, const char *title, ...)
394 assert (t != NULL && title != NULL);
395 va_start (args, title);
396 t->title = xvasprintf (title, args);
400 /* Set DIM_FUNC as the dimension function for table T. */
402 tab_dim (struct tab_table *t, tab_dim_func *dim_func, void *aux)
404 assert (t != NULL && t->dim == NULL);
409 /* Returns the natural width of column C in table T for driver D, that
410 is, the smallest width necessary to display all its cells without
411 wrapping. The width will be no larger than the page width minus
412 left and right rule widths. */
414 tab_natural_width (struct tab_table *t, struct outp_driver *d, int c)
418 assert (t != NULL && c >= 0 && c < t->nc);
422 for (width = r = 0; r < t->nr; r++)
424 struct outp_text text;
425 unsigned char opt = t->ct[c + r * t->cf];
428 if (opt & (TAB_JOIN | TAB_EMPTY))
431 text.string = t->cc[c + r * t->cf];
432 text.justification = OUTP_LEFT;
433 text.font = options_to_font (opt);
434 text.h = text.v = INT_MAX;
436 d->class->text_metrics (d, &text, &w, NULL);
444 /* FIXME: This is an ugly kluge to compensate for the fact
445 that we don't let joined cells contribute to column
447 width = d->prop_em_width * 8;
451 const int clamp = d->width - t->wrv[0] - t->wrv[t->nc];
460 /* Returns the natural height of row R in table T for driver D, that
461 is, the minimum height necessary to display the information in the
462 cell at the widths set for each column. */
464 tab_natural_height (struct tab_table *t, struct outp_driver *d, int r)
468 assert (t != NULL && r >= 0 && r < t->nr);
473 for (height = d->font_height, c = 0; c < t->nc; c++)
475 struct outp_text text;
476 unsigned char opt = t->ct[c + r * t->cf];
479 if (opt & (TAB_JOIN | TAB_EMPTY))
482 text.string = t->cc[c + r * t->cf];
483 text.justification = OUTP_LEFT;
484 text.font = options_to_font (opt);
487 d->class->text_metrics (d, &text, NULL, &h);
497 /* Callback function to set all columns and rows to their natural
498 dimensions. Not really meant to be called directly. */
500 tab_natural_dimensions (struct tab_table *t, struct outp_driver *d,
507 for (i = 0; i < t->nc; i++)
508 t->w[i] = tab_natural_width (t, d, i);
510 for (i = 0; i < t->nr; i++)
511 t->h[i] = tab_natural_height (t, d, i);
517 /* Sets cell (C,R) in TABLE, with options OPT, to have a value taken
518 from V, displayed with format spec F. */
520 tab_value (struct tab_table *table, int c, int r, unsigned char opt,
521 const union value *v, const struct fmt_spec *f)
525 assert (table != NULL && v != NULL && f != NULL);
527 if (c + table->col_ofs < 0 || r + table->row_ofs < 0
528 || c + table->col_ofs >= table->nc
529 || r + table->row_ofs >= table->nr)
531 printf ("tab_value(): bad cell (%d+%d=%d,%d+%d=%d) in table size "
533 c, table->col_ofs, c + table->col_ofs,
534 r, table->row_ofs, r + table->row_ofs,
535 table->nc, table->nr);
540 contents = pool_alloc (table->container, f->w);
541 table->cc[c + r * table->cf] = ss_buffer (contents, f->w);
542 table->ct[c + r * table->cf] = opt;
544 data_out (v, f, contents);
547 /* Sets cell (C,R) in TABLE, with options OPT, to have value VAL
548 with NDEC decimal places. */
550 tab_fixed (struct tab_table *table, int c, int r, unsigned char opt,
551 double val, int w, int d)
557 union value double_value;
559 assert (table != NULL && w <= 40);
562 assert (c < table->nc);
564 assert (r < table->nr);
566 f = fmt_for_output (FMT_F, w, d);
569 if (c + table->col_ofs < 0 || r + table->row_ofs < 0
570 || c + table->col_ofs >= table->nc
571 || r + table->row_ofs >= table->nr)
573 printf ("tab_fixed(): bad cell (%d+%d=%d,%d+%d=%d) in table size "
575 c, table->col_ofs, c + table->col_ofs,
576 r, table->row_ofs, r + table->row_ofs,
577 table->nc, table->nr);
582 double_value.f = val;
583 data_out (&double_value, &f, buf);
586 while (isspace ((unsigned char) *cp) && cp < &buf[w])
588 f.w = w - (cp - buf);
590 contents = pool_alloc (table->container, f.w);
591 table->cc[c + r * table->cf] = ss_buffer (contents, f.w);
592 table->ct[c + r * table->cf] = opt;
593 memcpy (contents, cp, f.w);
596 /* Sets cell (C,R) in TABLE, with options OPT, to have value VAL as
598 If FMT is null, then the default print format will be used.
601 tab_double (struct tab_table *table, int c, int r, unsigned char opt,
602 double val, const struct fmt_spec *fmt)
608 union value double_value;
610 assert (table != NULL);
613 assert (c < table->nc);
615 assert (r < table->nr);
618 fmt = settings_get_format ();
620 fmt_check_output (fmt);
623 if (c + table->col_ofs < 0 || r + table->row_ofs < 0
624 || c + table->col_ofs >= table->nc
625 || r + table->row_ofs >= table->nr)
627 printf ("tab_double(): bad cell (%d+%d=%d,%d+%d=%d) in table size "
629 c, table->col_ofs, c + table->col_ofs,
630 r, table->row_ofs, r + table->row_ofs,
631 table->nc, table->nr);
636 double_value.f = val;
637 data_out (&double_value, fmt, buf);
640 while (isspace ((unsigned char) *cp) && cp < &buf[fmt->w])
642 w = fmt->w - (cp - buf);
644 contents = pool_alloc (table->container, w);
645 table->cc[c + r * table->cf] = ss_buffer (contents, w);
646 table->ct[c + r * table->cf] = opt;
647 memcpy (contents, cp, w);
651 /* Sets cell (C,R) in TABLE, with options OPT, to have text value
654 tab_text (struct tab_table *table, int c, int r, unsigned opt, const char *text, ...)
658 assert (table != NULL && text != NULL);
662 assert (c < table->nc);
663 assert (r < table->nr);
667 if (c + table->col_ofs < 0 || r + table->row_ofs < 0
668 || c + table->col_ofs >= table->nc
669 || r + table->row_ofs >= table->nr)
671 printf ("tab_text(): bad cell (%d+%d=%d,%d+%d=%d) in table size "
673 c, table->col_ofs, c + table->col_ofs,
674 r, table->row_ofs, r + table->row_ofs,
675 table->nc, table->nr);
680 va_start (args, text);
681 table->cc[c + r * table->cf] = text_format (table, opt, text, args);
682 table->ct[c + r * table->cf] = opt;
686 /* Joins cells (X1,X2)-(Y1,Y2) inclusive in TABLE, and sets them with
687 options OPT to have text value TEXT. */
689 tab_joint_text (struct tab_table *table, int x1, int y1, int x2, int y2,
690 unsigned opt, const char *text, ...)
692 struct tab_joined_cell *j;
694 assert (table != NULL && text != NULL);
696 assert (x1 + table->col_ofs >= 0);
697 assert (y1 + table->row_ofs >= 0);
700 assert (y2 + table->row_ofs < table->nr);
701 assert (x2 + table->col_ofs < table->nc);
704 if (x1 + table->col_ofs < 0 || x1 + table->col_ofs >= table->nc
705 || y1 + table->row_ofs < 0 || y1 + table->row_ofs >= table->nr
706 || x2 < x1 || x2 + table->col_ofs >= table->nc
707 || y2 < y2 || y2 + table->row_ofs >= table->nr)
709 printf ("tab_joint_text(): bad cell "
710 "(%d+%d=%d,%d+%d=%d)-(%d+%d=%d,%d+%d=%d) in table size (%d,%d)\n",
711 x1, table->col_ofs, x1 + table->col_ofs,
712 y1, table->row_ofs, y1 + table->row_ofs,
713 x2, table->col_ofs, x2 + table->col_ofs,
714 y2, table->row_ofs, y2 + table->row_ofs,
715 table->nc, table->nr);
720 tab_box (table, -1, -1, TAL_0, TAL_0, x1, y1, x2, y2);
722 j = pool_alloc (table->container, sizeof *j);
724 j->x1 = x1 + table->col_ofs;
725 j->y1 = y1 + table->row_ofs;
726 j->x2 = ++x2 + table->col_ofs;
727 j->y2 = ++y2 + table->row_ofs;
732 va_start (args, text);
733 j->contents = text_format (table, opt, text, args);
740 struct substring *cc = &table->cc[x1 + y1 * table->cf];
741 unsigned char *ct = &table->ct[x1 + y1 * table->cf];
742 const int ofs = table->cf - (x2 - x1);
746 for (y = y1; y < y2; y++)
750 for (x = x1; x < x2; x++)
752 *cc++ = ss_buffer ((char *) j, 0);
762 /* Sets cell (C,R) in TABLE, with options OPT, to contents STRING. */
764 tab_raw (struct tab_table *table, int c, int r, unsigned opt,
765 struct substring *string)
767 assert (table != NULL && string != NULL);
770 if (c + table->col_ofs < 0 || r + table->row_ofs < 0
771 || c + table->col_ofs >= table->nc
772 || r + table->row_ofs >= table->nr)
774 printf ("tab_raw(): bad cell (%d+%d=%d,%d+%d=%d) in table size "
776 c, table->col_ofs, c + table->col_ofs,
777 r, table->row_ofs, r + table->row_ofs,
778 table->nc, table->nr);
783 table->cc[c + r * table->cf] = *string;
784 table->ct[c + r * table->cf] = opt;
789 /* Sets the widths of all the columns and heights of all the rows in
790 table T for driver D. */
792 nowrap_dim (struct tab_table *t, struct outp_driver *d, void *aux UNUSED)
794 t->w[0] = tab_natural_width (t, d, 0);
795 t->h[0] = d->font_height;
798 /* Sets the widths of all the columns and heights of all the rows in
799 table T for driver D. */
801 wrap_dim (struct tab_table *t, struct outp_driver *d, void *aux UNUSED)
803 t->w[0] = tab_natural_width (t, d, 0);
804 t->h[0] = tab_natural_height (t, d, 0);
807 /* Outputs text BUF as a table with a single cell having cell options
808 OPTIONS, which is a combination of the TAB_* and TAT_*
811 tab_output_text (int options, const char *buf, ...)
813 struct tab_table *t = tab_create (1, 1, 0);
814 char *tmp_buf = NULL;
816 if (options & TAT_PRINTF)
820 va_start (args, buf);
821 buf = tmp_buf = xvasprintf (buf, args);
825 tab_text (t, 0, 0, options & ~TAT_PRINTF, buf);
826 tab_flags (t, SOMF_NO_TITLE | SOMF_NO_SPACING);
827 tab_dim (t, options & TAT_NOWRAP ? nowrap_dim : wrap_dim, NULL);
833 /* Set table flags to FLAGS. */
835 tab_flags (struct tab_table *t, unsigned flags)
841 /* Easy, type-safe way to submit a tab table to som. */
843 tab_submit (struct tab_table *t)
848 s.class = &tab_table_class;
857 /* Set table row and column offsets for all functions that affect
860 tab_offset (struct tab_table *t, int col, int row)
866 if (row < -1 || row > t->nr)
868 printf ("tab_offset(): row=%d in %d-row table\n", row, t->nr);
871 if (col < -1 || col > t->nc)
873 printf ("tab_offset(): col=%d in %d-column table\n", col, t->nc);
879 diff += (row - t->row_ofs) * t->cf, t->row_ofs = row;
881 diff += (col - t->col_ofs), t->col_ofs = col;
887 /* Increment the row offset by one. If the table is too small,
888 increase its size. */
890 tab_next_row (struct tab_table *t)
895 if (++t->row_ofs >= t->nr)
896 tab_realloc (t, -1, t->nr * 4 / 3);
899 static struct tab_table *t;
900 static struct outp_driver *d;
903 /* Set the current table to TABLE. */
905 tabi_table (struct som_entity *table)
907 assert (table != NULL);
908 assert (table->type == SOM_TABLE);
911 tab_offset (t, 0, 0);
913 assert (t->w == NULL && t->h == NULL);
914 t->w = pool_nalloc (t->container, t->nc, sizeof *t->w);
915 t->h = pool_nalloc (t->container, t->nr, sizeof *t->h);
916 t->hrh = pool_nmalloc (t->container, t->nr + 1, sizeof *t->hrh);
917 t->wrv = pool_nmalloc (t->container, t->nc + 1, sizeof *t->wrv);
920 /* Returns the line style to use for spacing purposes for a rule
921 of the given TYPE. */
922 static enum outp_line_style
923 rule_to_spacing_type (unsigned char type)
931 return OUTP_L_SINGLE;
933 return OUTP_L_DOUBLE;
939 /* Set the current output device to DRIVER. */
941 tabi_driver (struct outp_driver *driver)
946 assert (driver != NULL);
949 /* Figure out sizes of rules. */
950 for (r = 0; r <= t->nr; r++)
953 for (c = 0; c < t->nc; c++)
955 unsigned char rh = t->rh[c + r * t->cf];
956 int w = driver->horiz_line_width[rule_to_spacing_type (rh)];
963 for (c = 0; c <= t->nc; c++)
966 for (r = 0; r < t->nr; r++)
968 unsigned char *rv = &t->rv[c + r * (t->cf + 1)];
970 if (*rv == UCHAR_MAX)
971 *rv = c != 0 && c != t->nc ? TAL_GAP : TAL_0;
972 w = driver->vert_line_width[rule_to_spacing_type (*rv)];
980 for (i = 0; i < t->nr; i++)
982 for (i = 0; i < t->nc; i++)
986 assert (t->dim != NULL);
987 t->dim (t, d, t->dim_aux);
993 for (i = 0; i < t->nr; i++)
997 printf ("Table row %d height not initialized.\n", i);
1000 assert (t->h[i] > 0);
1003 for (i = 0; i < t->nc; i++)
1007 printf ("Table column %d width not initialized.\n", i);
1010 assert (t->w[i] > 0);
1015 /* Add up header sizes. */
1016 for (i = 0, t->wl = t->wrv[0]; i < t->l; i++)
1017 t->wl += t->w[i] + t->wrv[i + 1];
1018 for (i = 0, t->ht = t->hrh[0]; i < t->t; i++)
1019 t->ht += t->h[i] + t->hrh[i + 1];
1020 for (i = t->nc - t->r, t->wr = t->wrv[i]; i < t->nc; i++)
1021 t->wr += t->w[i] + t->wrv[i + 1];
1022 for (i = t->nr - t->b, t->hb = t->hrh[i]; i < t->nr; i++)
1023 t->hb += t->h[i] + t->hrh[i + 1];
1026 if (!(t->flags & SOMF_NO_TITLE))
1027 t->ht += d->font_height;
1030 /* Return the number of columns and rows in the table into N_COLUMNS
1031 and N_ROWS, respectively. */
1033 tabi_count (int *n_columns, int *n_rows)
1035 assert (n_columns != NULL && n_rows != NULL);
1040 static void tabi_cumulate (int cumtype, int start, int *end, int max, int *actual);
1042 /* Return the horizontal and vertical size of the entire table,
1043 including headers, for the current output device, into HORIZ and
1046 tabi_area (int *horiz, int *vert)
1048 assert (horiz != NULL && vert != NULL);
1053 for (c = t->l + 1, w = t->wl + t->wr + t->w[t->l];
1054 c < t->nc - t->r; c++)
1055 w += t->w[c] + t->wrv[c];
1061 for (r = t->t + 1, h = t->ht + t->hb + t->h[t->t];
1062 r < t->nr - t->b; r++)
1063 h += t->h[r] + t->hrh[r];
1068 /* Return the column style for this table into STYLE. */
1070 tabi_columns (int *style)
1072 assert (style != NULL);
1073 *style = t->col_style;
1076 /* Return the number of header rows/columns on the left, right, top,
1077 and bottom sides into HL, HR, HT, and HB, respectively. */
1079 tabi_headers (int *hl, int *hr, int *ht, int *hb)
1081 assert (hl != NULL && hr != NULL && ht != NULL && hb != NULL);
1088 /* Determines the number of rows or columns (including appropriate
1089 headers), depending on CUMTYPE, that will fit into the space
1090 specified. Takes rows/columns starting at index START and attempts
1091 to fill up available space MAX. Returns in END the index of the
1092 last row/column plus one; returns in ACTUAL the actual amount of
1093 space the selected rows/columns (including appropriate headers)
1096 tabi_cumulate (int cumtype, int start, int *end, int max, int *actual)
1103 assert (end != NULL && (cumtype == SOM_ROWS || cumtype == SOM_COLUMNS));
1104 if (cumtype == SOM_ROWS)
1106 assert (start >= 0 && start < t->nr);
1109 r = &t->hrh[start + 1];
1110 total = t->ht + t->hb;
1114 assert (start >= 0 && start < t->nc);
1117 r = &t->wrv[start + 1];
1118 total = t->wl + t->wr;
1134 for (x = start + 1; x < n; x++)
1136 int amt = *d++ + *r++;
1154 /* Return flags set for the current table into FLAGS. */
1156 tabi_flags (unsigned *flags)
1158 assert (flags != NULL);
1162 /* Returns true if the table will fit in the given page WIDTH,
1165 tabi_fits_width (int width)
1169 for (i = t->l; i < t->nc - t->r; i++)
1170 if (t->wl + t->wr + t->w[i] > width)
1176 /* Returns true if the table will fit in the given page LENGTH,
1179 tabi_fits_length (int length)
1183 for (i = t->t; i < t->nr - t->b; i++)
1184 if (t->ht + t->hb + t->h[i] > length)
1190 /* Sets the number of header rows/columns on the left, right, top,
1191 and bottom sides to HL, HR, HT, and HB, respectively. */
1193 tabi_set_headers (int hl, int hr, int ht, int hb)
1201 /* Render title for current table, with major index X and minor index
1202 Y. Y may be zero, or X and Y may be zero, but X should be nonzero
1205 tabi_title (int x, int y)
1210 if (t->flags & SOMF_NO_TITLE)
1213 cp = spprintf (buf, "%d.%d", table_num, subtable_num);
1215 cp = spprintf (cp, "(%d:%d)", x, y);
1217 cp = spprintf (cp, "(%d)", x);
1218 if (command_name != NULL)
1219 cp = spprintf (cp, " %s", command_name);
1220 cp = stpcpy (cp, ". ");
1221 if (t->title != NULL)
1223 size_t length = strlen (t->title);
1224 memcpy (cp, t->title, length);
1230 struct outp_text text;
1232 text.font = OUTP_PROPORTIONAL;
1233 text.justification = OUTP_LEFT;
1234 text.string = ss_buffer (buf, cp - buf);
1236 text.v = d->font_height;
1239 d->class->text_draw (d, &text);
1243 static int render_strip (int x, int y, int r, int c1, int c2, int r1, int r2);
1245 /* Renders columns C0...C1, plus headers, of rows R0...R1,
1246 at the given vertical position Y.
1247 C0 and C1 count vertical rules as columns,
1248 but R0 and R1 do not count horizontal rules as rows.
1249 Returns the vertical position after rendering. */
1251 render_rows (int y, int c0, int c1, int r0, int r1)
1254 for (r = r0; r < r1; r++)
1257 x = render_strip (x, y, r, 0, t->l * 2 + 1, r0, r1);
1258 x = render_strip (x, y, r, c0 * 2 + 1, c1 * 2, r0, r1);
1259 x = render_strip (x, y, r, (t->nc - t->r) * 2, t->nc * 2 + 1, r0, r1);
1260 y += (r & 1) ? t->h[r / 2] : t->hrh[r / 2];
1265 /* Draws table region (C0,R0)-(C1,R1), plus headers, at the
1266 current position on the current output device. */
1268 tabi_render (int c0, int r0, int c1, int r1)
1275 if (!(t->flags & SOMF_NO_TITLE))
1276 y += d->font_height;
1278 y = render_rows (y, c0, c1, 0, t->t * 2 + 1);
1279 y = render_rows (y, c0, c1, r0 * 2 + 1, r1 * 2);
1280 y = render_rows (y, c0, c1, (t->nr - t->b) * 2, t->nr * 2 + 1);
1283 const struct som_table_class tab_table_class =
1309 static enum outp_justification
1310 translate_justification (unsigned int opt)
1312 switch (opt & TAB_ALIGN_MASK)
1325 /* Returns the line style to use for drawing a rule of the given
1327 static enum outp_line_style
1328 rule_to_draw_type (unsigned char type)
1336 return OUTP_L_SINGLE;
1338 return OUTP_L_DOUBLE;
1344 /* Returns the horizontal rule at the given column and row. */
1346 get_hrule (int c, int r)
1348 return t->rh[c + r * t->cf];
1351 /* Returns the vertical rule at the given column and row. */
1353 get_vrule (int c, int r)
1355 return t->rv[c + r * (t->cf + 1)];
1358 /* Renders the horizontal rule at the given column and row
1359 at (X,Y) on the page. */
1361 render_horz_rule (int x, int y, int c, int r)
1363 enum outp_line_style style = rule_to_draw_type (get_hrule (c, r));
1364 if (style != OUTP_L_NONE)
1365 d->class->line (d, x, y, x + t->w[c], y + t->hrh[r],
1366 OUTP_L_NONE, style, OUTP_L_NONE, style);
1369 /* Renders the vertical rule at the given column and row
1370 at (X,Y) on the page. */
1372 render_vert_rule (int x, int y, int c, int r)
1374 enum outp_line_style style = rule_to_draw_type (get_vrule (c, r));
1375 if (style != OUTP_L_NONE)
1376 d->class->line (d, x, y, x + t->wrv[c], y + t->h[r],
1377 style, OUTP_L_NONE, style, OUTP_L_NONE);
1380 /* Renders the rule intersection at the given column and row
1381 at (X,Y) on the page. */
1383 render_rule_intersection (int x, int y, int c, int r)
1385 /* Bounds of intersection. */
1388 int x1 = x + t->wrv[c];
1389 int y1 = y + t->hrh[r];
1391 /* Lines on each side of intersection. */
1392 int top = r > 0 ? get_vrule (c, r - 1) : TAL_0;
1393 int left = c > 0 ? get_hrule (c - 1, r) : TAL_0;
1394 int bottom = r < t->nr ? get_vrule (c, r) : TAL_0;
1395 int right = c < t->nc ? get_hrule (c, r) : TAL_0;
1397 /* Output style for each line. */
1398 enum outp_line_style o_top = rule_to_draw_type (top);
1399 enum outp_line_style o_left = rule_to_draw_type (left);
1400 enum outp_line_style o_bottom = rule_to_draw_type (bottom);
1401 enum outp_line_style o_right = rule_to_draw_type (right);
1403 if (o_top != OUTP_L_NONE || o_left != OUTP_L_NONE
1404 || o_bottom != OUTP_L_NONE || o_right != OUTP_L_NONE)
1405 d->class->line (d, x0, y0, x1, y1, o_top, o_left, o_bottom, o_right);
1408 /* Returns the width of columns C1...C2 exclusive,
1409 including interior but not exterior rules. */
1411 strip_width (int c1, int c2)
1416 for (c = c1; c < c2; c++)
1417 width += t->w[c] + t->wrv[c + 1];
1419 width -= t->wrv[c2];
1423 /* Returns the height of rows R1...R2 exclusive,
1424 including interior but not exterior rules. */
1426 strip_height (int r1, int r2)
1431 for (r = r1; r < r2; r++)
1432 height += t->h[r] + t->hrh[r + 1];
1434 height -= t->hrh[r2];
1438 /* Renders the cell at the given column and row at (X,Y) on the
1439 page. Also renders joined cells that extend as far to the
1440 right as C1 and as far down as R1. */
1442 render_cell (int x, int y, int c, int r, int c1, int r1)
1444 const int index = c + (r * t->cf);
1445 unsigned char type = t->ct[index];
1446 struct substring *content = &t->cc[index];
1448 if (!(type & TAB_JOIN))
1450 if (!(type & TAB_EMPTY))
1452 struct outp_text text;
1453 text.font = options_to_font (type);
1454 text.justification = translate_justification (type);
1455 text.string = *content;
1460 d->class->text_draw (d, &text);
1465 struct tab_joined_cell *j
1466 = (struct tab_joined_cell *) ss_data (*content);
1468 if (j->hit != tab_hit)
1472 if (j->x1 == c && j->y1 == r)
1474 struct outp_text text;
1475 text.font = options_to_font (type);
1476 text.justification = translate_justification (type);
1477 text.string = j->contents;
1480 text.h = strip_width (j->x1, MIN (j->x2, c1));
1481 text.v = strip_height (j->y1, MIN (j->y2, r1));
1482 d->class->text_draw (d, &text);
1488 /* Render contiguous strip consisting of columns C0...C1, exclusive,
1489 on row R, at (X,Y). Returns X position after rendering.
1490 Also renders joined cells that extend beyond that strip,
1491 cropping them to lie within rendering region (C0,R0)-(C1,R1).
1492 C0 and C1 count vertical rules as columns.
1493 R counts horizontal rules as rows, but R0 and R1 do not. */
1495 render_strip (int x, int y, int r, int c0, int c1, int r0 UNUSED, int r1)
1499 for (c = c0; c < c1; c++)
1503 render_cell (x, y, c / 2, r / 2, c1 / 2, r1);
1505 render_horz_rule (x, y, c / 2, r / 2);
1511 render_vert_rule (x, y, c / 2, r / 2);
1513 render_rule_intersection (x, y, c / 2, r / 2);
1520 /* Sets COMMAND_NAME as the name of the current command,
1521 for embedding in output. */
1523 tab_set_command_name (const char *command_name_)
1525 free (command_name);
1526 command_name = command_name_ ? xstrdup (command_name_) : NULL;