1 /* PSPP - a program for statistical analysis.
2 Copyright (C) 1997-9, 2000, 2007, 2009, 2010, 2011, 2012, 2013, 2014 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/>. */
30 #include "data/file-name.h"
31 #include "data/settings.h"
32 #include "libpspp/assertion.h"
33 #include "libpspp/cast.h"
34 #include "libpspp/compiler.h"
35 #include "libpspp/message.h"
36 #include "libpspp/start-date.h"
37 #include "libpspp/string-map.h"
38 #include "libpspp/u8-line.h"
39 #include "libpspp/version.h"
40 #include "output/ascii.h"
41 #include "output/cairo.h"
42 #include "output/chart-item-provider.h"
43 #include "output/driver-provider.h"
44 #include "output/message-item.h"
45 #include "output/options.h"
46 #include "output/render.h"
47 #include "output/tab.h"
48 #include "output/table-item.h"
49 #include "output/text-item.h"
51 #include "gl/minmax.h"
52 #include "gl/xalloc.h"
55 #define _(msgid) gettext (msgid)
57 /* This file uses TABLE_HORZ and TABLE_VERT enough to warrant abbreviating. */
61 #define N_BOX (RENDER_N_LINES * RENDER_N_LINES \
62 * RENDER_N_LINES * RENDER_N_LINES)
64 static const ucs4_t ascii_box_chars[N_BOX] =
95 static const ucs4_t unicode_box_chars[N_BOX] =
97 0x0020, 0x2575, 0x2551,
98 0x2574, 0x256f, 0x255c,
99 0x2550, 0x255b, 0x255d,
100 0x2577, 0x2502, 0x2551,
101 0x256e, 0x2524, 0x2562,
102 0x2555, 0x2561, 0x2563,
103 0x2551, 0x2551, 0x2551,
104 0x2556, 0x2562, 0x2562,
105 0x2557, 0x2563, 0x2563,
106 0x2576, 0x2570, 0x2559,
107 0x2500, 0x2534, 0x2568,
108 0x2550, 0x2567, 0x2569,
109 0x256d, 0x251c, 0x255f,
110 0x252c, 0x253c, 0x256a,
111 0x2564, 0x256a, 0x256c,
112 0x2553, 0x255f, 0x255f,
113 0x2565, 0x256b, 0x256b,
114 0x2566, 0x256c, 0x256c,
115 0x2550, 0x2558, 0x255a,
116 0x2550, 0x2567, 0x2569,
117 0x2550, 0x2567, 0x2569,
118 0x2552, 0x255e, 0x2560,
119 0x2564, 0x256a, 0x256c,
120 0x2564, 0x256a, 0x256c,
121 0x2554, 0x2560, 0x2560,
122 0x2560, 0x256c, 0x256c,
123 0x2566, 0x256c, 0x256c,
127 make_box_index (int left, int right, int top, int bottom)
129 return ((right * RENDER_N_LINES + bottom) * RENDER_N_LINES + left) * RENDER_N_LINES + top;
132 /* How to emphasize text. */
135 EMPH_BOLD, /* Overstrike for bold. */
136 EMPH_UNDERLINE, /* Overstrike for underlining. */
137 EMPH_NONE /* No emphasis. */
140 /* ASCII output driver. */
143 struct output_driver driver;
145 /* User parameters. */
146 bool append; /* Append if output file already exists? */
147 bool headers; /* Print headers at top of page? */
148 bool paginate; /* Insert formfeeds? */
149 bool squeeze_blank_lines; /* Squeeze multiple blank lines into one? */
150 enum emphasis_style emphasis; /* How to emphasize text. */
151 char *chart_file_name; /* Name of files used for charts. */
154 /* Colours for charts */
159 int width; /* Page width. */
160 int length; /* Page length minus margins and header. */
161 bool auto_width; /* Use viewwidth as page width? */
162 bool auto_length; /* Use viewlength as page width? */
164 int top_margin; /* Top margin in lines. */
165 int bottom_margin; /* Bottom margin in lines. */
167 int min_break[TABLE_N_AXES]; /* Min cell size to break across pages. */
169 const ucs4_t *box; /* Line & box drawing characters. */
171 /* Internal state. */
175 char *file_name; /* Output file name. */
176 FILE *file; /* Output file. */
177 bool error; /* Output error? */
178 int page_number; /* Current page number. */
179 struct u8_line *lines; /* Page content. */
180 int allocated_lines; /* Number of lines allocated. */
181 int chart_cnt; /* Number of charts so far. */
185 static const struct output_driver_class ascii_driver_class;
187 static void ascii_submit (struct output_driver *, const struct output_item *);
189 static int vertical_margins (const struct ascii_driver *);
191 static bool update_page_size (struct ascii_driver *, bool issue_error);
192 static int parse_page_size (struct driver_option *);
194 static void ascii_close_page (struct ascii_driver *);
195 static bool ascii_open_page (struct ascii_driver *);
197 static void ascii_draw_line (void *, int bb[TABLE_N_AXES][2],
198 enum render_line_style styles[TABLE_N_AXES][2]);
199 static void ascii_measure_cell_width (void *, const struct table_cell *,
200 int footnote_idx, int *min, int *max);
201 static int ascii_measure_cell_height (void *, const struct table_cell *,
202 int footnote_idx, int width);
203 static void ascii_draw_cell (void *, const struct table_cell *,
204 int footnote_idx, int bb[TABLE_N_AXES][2],
205 int clip[TABLE_N_AXES][2]);
208 reallocate_lines (struct ascii_driver *a)
210 if (a->length > a->allocated_lines)
213 a->lines = xnrealloc (a->lines, a->length, sizeof *a->lines);
214 for (i = a->allocated_lines; i < a->length; i++)
215 u8_line_init (&a->lines[i]);
216 a->allocated_lines = a->length;
221 static struct ascii_driver *
222 ascii_driver_cast (struct output_driver *driver)
224 assert (driver->class == &ascii_driver_class);
225 return UP_CAST (driver, struct ascii_driver, driver);
228 static struct driver_option *
229 opt (struct output_driver *d, struct string_map *options, const char *key,
230 const char *default_value)
232 return driver_option_get (d, options, key, default_value);
235 static struct output_driver *
236 ascii_create (const char *file_name, enum settings_output_devices device_type,
237 struct string_map *o)
239 enum { BOX_ASCII, BOX_UNICODE } box;
240 int min_break[TABLE_N_AXES];
241 struct output_driver *d;
242 struct ascii_driver *a;
245 a = xzalloc (sizeof *a);
247 output_driver_init (&a->driver, &ascii_driver_class, file_name, device_type);
248 a->append = parse_boolean (opt (d, o, "append", "false"));
249 a->headers = parse_boolean (opt (d, o, "headers", "false"));
250 a->paginate = parse_boolean (opt (d, o, "paginate", "false"));
251 a->squeeze_blank_lines = parse_boolean (opt (d, o, "squeeze", "true"));
252 a->emphasis = parse_enum (opt (d, o, "emphasis", "none"),
254 "underline", EMPH_UNDERLINE,
258 a->chart_file_name = parse_chart_file_name (opt (d, o, "charts", file_name));
260 a->top_margin = parse_int (opt (d, o, "top-margin", "0"), 0, INT_MAX);
261 a->bottom_margin = parse_int (opt (d, o, "bottom-margin", "0"), 0, INT_MAX);
263 min_break[H] = parse_int (opt (d, o, "min-hbreak", "-1"), -1, INT_MAX);
264 min_break[V] = parse_int (opt (d, o, "min-vbreak", "-1"), -1, INT_MAX);
266 a->width = parse_page_size (opt (d, o, "width", "79"));
267 paper_length = parse_page_size (opt (d, o, "length", "66"));
268 a->auto_width = a->width < 0;
269 a->auto_length = paper_length < 0;
270 a->length = paper_length - vertical_margins (a);
271 a->min_break[H] = min_break[H] >= 0 ? min_break[H] : a->width / 2;
272 a->min_break[V] = min_break[V] >= 0 ? min_break[V] : a->length / 2;
274 parse_color (d, o, "background-color", "#FFFFFFFFFFFF", &a->bg);
275 parse_color (d, o, "foreground-color", "#000000000000", &a->fg);
277 box = parse_enum (opt (d, o, "box", "ascii"),
279 "unicode", BOX_UNICODE,
281 a->box = box == BOX_ASCII ? ascii_box_chars : unicode_box_chars;
283 a->command_name = NULL;
284 a->title = xstrdup ("");
285 a->subtitle = xstrdup ("");
286 a->file_name = xstrdup (file_name);
291 a->allocated_lines = 0;
294 if (!update_page_size (a, true))
300 output_driver_destroy (d);
305 parse_page_size (struct driver_option *option)
307 int dim = atol (option->default_value);
309 if (option->value != NULL)
311 if (!strcmp (option->value, "auto"))
319 value = strtol (option->value, &tail, 0);
320 if (dim >= 1 && errno != ERANGE && *tail == '\0')
323 msg (MW, _("%s: %s must be positive integer or `auto'"),
324 option->driver_name, option->name);
328 driver_option_destroy (option);
334 vertical_margins (const struct ascii_driver *a)
336 return a->top_margin + a->bottom_margin + (a->headers ? 3 : 0);
339 /* Re-calculates the page width and length based on settings,
340 margins, and, if "auto" is set, the size of the user's
341 terminal window or GUI output window. */
343 update_page_size (struct ascii_driver *a, bool issue_error)
345 enum { MIN_WIDTH = 6, MIN_LENGTH = 6 };
348 a->width = settings_get_viewwidth ();
350 a->length = settings_get_viewlength () - vertical_margins (a);
352 if (a->width < MIN_WIDTH || a->length < MIN_LENGTH)
356 _("ascii: page excluding margins and headers "
357 "must be at least %d characters wide by %d lines long, but "
358 "as configured is only %d characters by %d lines"),
359 MIN_WIDTH, MIN_LENGTH,
360 a->width, a->length);
361 if (a->width < MIN_WIDTH)
362 a->width = MIN_WIDTH;
363 if (a->length < MIN_LENGTH)
364 a->length = MIN_LENGTH;
368 reallocate_lines (a);
374 ascii_destroy (struct output_driver *driver)
376 struct ascii_driver *a = ascii_driver_cast (driver);
380 ascii_close_page (a);
383 fn_close (a->file_name, a->file);
384 free (a->command_name);
388 free (a->chart_file_name);
389 for (i = 0; i < a->allocated_lines; i++)
390 u8_line_destroy (&a->lines[i]);
396 ascii_flush (struct output_driver *driver)
398 struct ascii_driver *a = ascii_driver_cast (driver);
401 ascii_close_page (a);
403 if (fn_close (a->file_name, a->file) != 0)
404 msg_error (errno, _("ascii: closing output file `%s'"), a->file_name);
410 ascii_output_table_item (struct ascii_driver *a,
411 const struct table_item *table_item)
413 struct render_params params;
414 struct render_pager *p;
417 update_page_size (a, false);
419 params.draw_line = ascii_draw_line;
420 params.measure_cell_width = ascii_measure_cell_width;
421 params.measure_cell_height = ascii_measure_cell_height;
422 params.adjust_break = NULL;
423 params.draw_cell = ascii_draw_cell;
425 params.size[H] = a->width;
426 params.size[V] = a->length;
427 params.font_size[H] = 1;
428 params.font_size[V] = 1;
429 for (i = 0; i < RENDER_N_LINES; i++)
431 int width = i == RENDER_LINE_NONE ? 0 : 1;
432 params.line_widths[H][i] = width;
433 params.line_widths[V][i] = width;
435 for (i = 0; i < TABLE_N_AXES; i++)
436 params.min_break[i] = a->min_break[i];
438 if (a->file == NULL && !ascii_open_page (a))
441 p = render_pager_create (¶ms, table_item);
442 while (render_pager_has_next (p))
448 used = render_pager_draw_next (p, a->length - a->y);
452 ascii_close_page (a);
453 if (!ascii_open_page (a))
459 render_pager_destroy (p);
463 ascii_output_text (struct ascii_driver *a, const char *text)
465 struct table_item *table_item;
467 table_item = table_item_create (table_from_string (TAB_LEFT, text),
469 ascii_output_table_item (a, table_item);
470 table_item_unref (table_item);
474 ascii_submit (struct output_driver *driver,
475 const struct output_item *output_item)
477 struct ascii_driver *a = ascii_driver_cast (driver);
479 output_driver_track_current_command (output_item, &a->command_name);
484 if (is_table_item (output_item))
485 ascii_output_table_item (a, to_table_item (output_item));
487 else if (is_chart_item (output_item) && a->chart_file_name != NULL)
489 struct chart_item *chart_item = to_chart_item (output_item);
492 file_name = xr_draw_png_chart (chart_item, a->chart_file_name,
496 if (file_name != NULL)
498 struct text_item *text_item;
500 text_item = text_item_create_format (
501 TEXT_ITEM_PARAGRAPH, _("See %s for a chart."), file_name);
503 ascii_submit (driver, &text_item->output_item);
504 text_item_unref (text_item);
508 #endif /* HAVE_CAIRO */
509 else if (is_text_item (output_item))
511 const struct text_item *text_item = to_text_item (output_item);
512 enum text_item_type type = text_item_get_type (text_item);
513 const char *text = text_item_get_text (text_item);
517 case TEXT_ITEM_TITLE:
519 a->title = xstrdup (text);
522 case TEXT_ITEM_SUBTITLE:
524 a->subtitle = xstrdup (text);
527 case TEXT_ITEM_COMMAND_OPEN:
528 case TEXT_ITEM_COMMAND_CLOSE:
531 case TEXT_ITEM_BLANK_LINE:
536 case TEXT_ITEM_EJECT_PAGE:
538 ascii_close_page (a);
542 ascii_output_text (a, text);
546 else if (is_message_item (output_item))
548 const struct message_item *message_item = to_message_item (output_item);
549 const struct msg *msg = message_item_get_msg (message_item);
550 char *s = msg_to_string (msg, a->command_name);
551 ascii_output_text (a, s);
556 const struct output_driver_factory txt_driver_factory =
557 { "txt", "-", ascii_create };
558 const struct output_driver_factory list_driver_factory =
559 { "list", "-", ascii_create };
561 static const struct output_driver_class ascii_driver_class =
569 static char *ascii_reserve (struct ascii_driver *, int y, int x0, int x1,
571 static void ascii_layout_cell (struct ascii_driver *,
572 const struct table_cell *,
574 int bb[TABLE_N_AXES][2],
575 int clip[TABLE_N_AXES][2],
576 int *width, int *height);
579 ascii_draw_line (void *a_, int bb[TABLE_N_AXES][2],
580 enum render_line_style styles[TABLE_N_AXES][2])
582 struct ascii_driver *a = a_;
589 /* Clip to the page. */
590 x0 = MAX (bb[H][0] + a->x, 0);
591 y0 = MAX (bb[V][0] + a->y, 0);
592 x1 = MIN (bb[H][1] + a->x, a->width);
593 y1 = MIN (bb[V][1] + a->y, a->length);
594 if (x1 <= 0 || y1 <= 0 || x0 >= a->width || y0 >= a->length)
598 uc = a->box[make_box_index (styles[V][0], styles[V][1],
599 styles[H][0], styles[H][1])];
600 mblen = u8_uctomb (CHAR_CAST (uint8_t *, mbchar), uc, 6);
601 for (y = y0; y < y1; y++)
603 char *p = ascii_reserve (a, y, x0, x1, mblen * (x1 - x0));
604 for (x = x0; x < x1; x++)
606 memcpy (p, mbchar, mblen);
613 ascii_measure_cell_width (void *a_, const struct table_cell *cell,
614 int footnote_idx, int *min_width, int *max_width)
616 struct ascii_driver *a = a_;
617 int bb[TABLE_N_AXES][2];
618 int clip[TABLE_N_AXES][2];
625 clip[H][0] = clip[H][1] = clip[V][0] = clip[V][1] = 0;
626 ascii_layout_cell (a, cell, footnote_idx, bb, clip, max_width, &h);
628 if (cell->n_contents != 1
629 || cell->contents[0].table
630 || cell->contents[0].n_footnotes
631 || strchr (cell->contents[0].text, ' '))
634 ascii_layout_cell (a, cell, footnote_idx, bb, clip, min_width, &h);
637 *min_width = *max_width;
641 ascii_measure_cell_height (void *a_, const struct table_cell *cell,
642 int footnote_idx, int width)
644 struct ascii_driver *a = a_;
645 int bb[TABLE_N_AXES][2];
646 int clip[TABLE_N_AXES][2];
653 clip[H][0] = clip[H][1] = clip[V][0] = clip[V][1] = 0;
654 ascii_layout_cell (a, cell, footnote_idx, bb, clip, &w, &h);
659 ascii_draw_cell (void *a_, const struct table_cell *cell, int footnote_idx,
660 int bb[TABLE_N_AXES][2], int clip[TABLE_N_AXES][2])
662 struct ascii_driver *a = a_;
665 ascii_layout_cell (a, cell, footnote_idx, bb, clip, &w, &h);
669 ascii_reserve (struct ascii_driver *a, int y, int x0, int x1, int n)
671 assert (y < a->allocated_lines);
672 return u8_line_reserve (&a->lines[y], x0, x1, n);
676 text_draw (struct ascii_driver *a, unsigned int options,
677 int bb[TABLE_N_AXES][2], int clip[TABLE_N_AXES][2],
678 int y, const uint8_t *string, int n, size_t width)
680 int x0 = MAX (0, clip[H][0] + a->x);
681 int y0 = MAX (0, clip[V][0] + a->y);
682 int x1 = MIN (a->width, clip[H][1] + a->x);
683 int y1 = MIN (a->length, clip[V][1] + a->y);
687 if (y < y0 || y >= y1)
690 switch (options & TAB_ALIGNMENT)
696 x = (bb[H][0] + bb[H][1] - width + 1) / 2;
699 x = bb[H][1] - width;
716 mblen = u8_mbtouc (&uc, string, n);
721 w = uc_width (uc, "UTF-8");
736 for (ofs = 0; ofs < n; )
742 mblen = u8_mbtouc (&uc, string + ofs, n - ofs);
744 w = uc_width (uc, "UTF-8");
747 if (width + w > x1 - x)
758 if (!(options & TAB_EMPH) || a->emphasis == EMPH_NONE)
759 memcpy (ascii_reserve (a, y, x, x + width, n), string, n);
767 /* First figure out how many bytes need to be inserted. */
769 for (ofs = 0; ofs < n; ofs += mblen)
774 mblen = u8_mbtouc (&uc, string + ofs, n - ofs);
775 w = uc_width (uc, "UTF-8");
778 n_out += a->emphasis == EMPH_UNDERLINE ? 2 : 1 + mblen;
781 /* Then insert them. */
782 out = ascii_reserve (a, y, x, x + width, n_out);
783 for (ofs = 0; ofs < n; ofs += mblen)
788 mblen = u8_mbtouc (&uc, string + ofs, n - ofs);
789 w = uc_width (uc, "UTF-8");
793 if (a->emphasis == EMPH_UNDERLINE)
796 out = mempcpy (out, string + ofs, mblen);
799 out = mempcpy (out, string + ofs, mblen);
805 ascii_layout_cell_text (struct ascii_driver *a,
806 const struct cell_contents *contents, int *footnote_idx,
807 int bb[TABLE_N_AXES][2], int clip[TABLE_N_AXES][2],
818 length = strlen (contents->text);
819 if (contents->n_footnotes)
825 ds_extend (&s, length + contents->n_footnotes * 4);
826 ds_put_cstr (&s, contents->text);
827 for (i = 0; i < contents->n_footnotes; i++)
831 str_format_26adic (++*footnote_idx, false, marker, sizeof marker);
832 ds_put_format (&s, "[%s]", marker);
835 length = ds_length (&s);
836 text = ds_steal_cstr (&s);
842 text = contents->text;
845 breaks = xmalloc (length + 1);
846 u8_possible_linebreaks (CHAR_CAST (const uint8_t *, text), length,
848 breaks[length] = (breaks[length - 1] == UC_BREAK_MANDATORY
849 ? UC_BREAK_PROHIBITED : UC_BREAK_POSSIBLE);
852 bb_width = bb[H][1] - bb[H][0];
853 for (y = bb[V][0]; y < bb[V][1] && pos < length; y++)
855 const uint8_t *line = CHAR_CAST (const uint8_t *, text + pos);
856 const char *b = breaks + pos;
857 size_t n = length - pos;
859 size_t last_break_ofs = 0;
860 int last_break_width = 0;
865 for (ofs = 0; ofs < n; )
871 mblen = u8_mbtouc (&uc, line + ofs, n - ofs);
872 if (b[ofs] == UC_BREAK_MANDATORY)
874 else if (b[ofs] == UC_BREAK_POSSIBLE)
876 last_break_ofs = ofs;
877 last_break_width = width;
880 w = uc_width (uc, "UTF-8");
883 if (width + w > bb_width)
885 if (isspace (line[ofs]))
887 else if (last_break_ofs != 0)
889 ofs = last_break_ofs;
890 width = last_break_width;
899 /* Trim any trailing spaces off the end of the text to be drawn. */
900 for (graph_ofs = ofs; graph_ofs > 0; graph_ofs--)
901 if (!isspace (line[graph_ofs - 1]))
903 width -= ofs - graph_ofs;
906 text_draw (a, contents->options, bb, clip, y, line, graph_ofs, width);
908 /* If a new-line ended the line, just skip the new-line. Otherwise, skip
909 past any spaces past the end of the line (but not past a new-line). */
910 if (b[ofs] == UC_BREAK_MANDATORY)
913 while (ofs < n && isspace (line[ofs]) && b[ofs] != UC_BREAK_MANDATORY)
922 if (text != contents->text)
923 free (CONST_CAST (char *, text));
929 ascii_layout_subtable (struct ascii_driver *a,
930 const struct cell_contents *contents,
931 int *footnote_idx UNUSED /* XXX */,
932 int bb[TABLE_N_AXES][2], int clip[TABLE_N_AXES][2] UNUSED,
935 struct render_params params;
936 struct render_pager *p;
937 int r[TABLE_N_AXES][2];
941 params.draw_line = ascii_draw_line;
942 params.measure_cell_width = ascii_measure_cell_width;
943 params.measure_cell_height = ascii_measure_cell_height;
944 params.adjust_break = NULL;
945 params.draw_cell = ascii_draw_cell,
947 params.size[H] = bb[TABLE_HORZ][1] - bb[TABLE_HORZ][0];
948 params.size[V] = bb[TABLE_VERT][1] - bb[TABLE_VERT][0];
949 params.font_size[H] = 1;
950 params.font_size[V] = 1;
951 for (i = 0; i < RENDER_N_LINES; i++)
953 int width = i == RENDER_LINE_NONE ? 0 : 1;
954 params.line_widths[H][i] = width;
955 params.line_widths[V][i] = width;
958 p = render_pager_create (¶ms, contents->table);
959 width = render_pager_get_size (p, TABLE_HORZ);
960 height = render_pager_get_size (p, TABLE_VERT);
962 /* r = intersect(bb, clip) - bb. */
963 for (i = 0; i < TABLE_N_AXES; i++)
965 r[i][0] = MAX (bb[i][0], clip[i][0]) - bb[i][0];
966 r[i][1] = MIN (bb[i][1], clip[i][1]) - bb[i][0];
969 if (r[H][0] < r[H][1] && r[V][0] < r[V][1])
971 unsigned int alignment = contents->options & TAB_ALIGNMENT;
974 a->x += bb[TABLE_HORZ][0];
975 if (alignment == TAB_RIGHT)
976 a->x += params.size[H] - width;
977 else if (alignment == TAB_CENTER)
978 a->x += (params.size[H] - width) / 2;
979 a->y += bb[TABLE_VERT][0];
980 render_pager_draw (p);
981 a->y -= bb[TABLE_VERT][0];
984 render_pager_destroy (p);
988 return bb[V][0] + height;
992 ascii_layout_cell (struct ascii_driver *a, const struct table_cell *cell,
994 int bb_[TABLE_N_AXES][2], int clip[TABLE_N_AXES][2],
995 int *widthp, int *heightp)
997 int bb[TABLE_N_AXES][2];
1003 memcpy (bb, bb_, sizeof bb);
1004 for (i = 0; i < cell->n_contents && bb[V][0] < bb[V][1]; i++)
1006 const struct cell_contents *contents = &cell->contents[i];
1008 /* Put a blank line between contents. */
1012 if (bb[V][0] >= bb[V][1])
1017 bb[V][0] = ascii_layout_cell_text (a, contents, &footnote_idx,
1020 bb[V][0] = ascii_layout_subtable (a, contents, &footnote_idx,
1023 *heightp = bb[V][0] - bb_[V][0];
1027 ascii_test_write (struct output_driver *driver,
1028 const char *s, int x, int y, unsigned int options)
1030 struct ascii_driver *a = ascii_driver_cast (driver);
1031 struct cell_contents contents;
1032 struct table_cell cell;
1033 int bb[TABLE_N_AXES][2];
1036 if (a->file == NULL && !ascii_open_page (a))
1040 contents.options = options | TAB_LEFT;
1041 contents.text = CONST_CAST (char *, s);
1042 contents.table = NULL;
1043 contents.n_footnotes = 0;
1045 memset (&cell, 0, sizeof cell);
1046 cell.contents = &contents;
1047 cell.n_contents = 1;
1049 bb[TABLE_HORZ][0] = x;
1050 bb[TABLE_HORZ][1] = a->width;
1051 bb[TABLE_VERT][0] = y;
1052 bb[TABLE_VERT][1] = a->length;
1054 ascii_layout_cell (a, &cell, 0, bb, bb, &width, &height);
1060 ascii_test_set_length (struct output_driver *driver, int y, int length)
1062 struct ascii_driver *a = ascii_driver_cast (driver);
1064 if (a->file == NULL && !ascii_open_page (a))
1067 if (y < 0 || y >= a->length)
1069 u8_line_set_length (&a->lines[y], length);
1072 /* ascii_close_page () and support routines. */
1074 #if HAVE_DECL_SIGWINCH
1075 static struct ascii_driver *the_driver;
1078 winch_handler (int signum UNUSED)
1080 update_page_size (the_driver, false);
1085 ascii_open_page (struct ascii_driver *a)
1092 if (a->file == NULL)
1094 a->file = fn_open (a->file_name, a->append ? "a" : "w");
1095 if (a->file != NULL)
1097 if ( isatty (fileno (a->file)))
1099 #if HAVE_DECL_SIGWINCH
1100 struct sigaction action;
1101 sigemptyset (&action.sa_mask);
1102 action.sa_flags = 0;
1103 action.sa_handler = winch_handler;
1105 sigaction (SIGWINCH, &action, NULL);
1107 a->auto_width = true;
1108 a->auto_length = true;
1113 msg_error (errno, _("ascii: opening output file `%s'"),
1122 reallocate_lines (a);
1124 for (i = 0; i < a->length; i++)
1125 u8_line_clear (&a->lines[i]);
1131 output_title_line (FILE *out, int width, const char *left, const char *right)
1133 struct string s = DS_EMPTY_INITIALIZER;
1134 ds_put_byte_multiple (&s, ' ', width);
1137 size_t length = MIN (strlen (left), width);
1138 memcpy (ds_end (&s) - width, left, length);
1142 size_t length = MIN (strlen (right), width);
1143 memcpy (ds_end (&s) - length, right, length);
1145 ds_put_byte (&s, '\n');
1146 fputs (ds_cstr (&s), out);
1151 ascii_close_page (struct ascii_driver *a)
1157 if (a->file == NULL)
1160 if (!a->top_margin && !a->bottom_margin && a->squeeze_blank_lines
1161 && !a->paginate && a->page_number > 1)
1162 putc ('\n', a->file);
1164 for (i = 0; i < a->top_margin; i++)
1165 putc ('\n', a->file);
1170 r1 = xasprintf (_("%s - Page %d"), get_start_date (), a->page_number);
1171 r2 = xasprintf ("%s - %s" , version, host_system);
1173 output_title_line (a->file, a->width, a->title, r1);
1174 output_title_line (a->file, a->width, a->subtitle, r2);
1175 putc ('\n', a->file);
1182 for (y = 0; y < a->allocated_lines; y++)
1184 struct u8_line *line = &a->lines[y];
1186 if (a->squeeze_blank_lines && y > 0 && line->width == 0)
1192 putc ('\n', a->file);
1196 while (ds_chomp_byte (&line->s, ' '))
1198 fwrite (ds_data (&line->s), 1, ds_length (&line->s), a->file);
1199 putc ('\n', a->file);
1202 if (!a->squeeze_blank_lines)
1203 for (y = a->allocated_lines; y < a->length; y++)
1204 putc ('\n', a->file);
1206 for (i = 0; i < a->bottom_margin; i++)
1207 putc ('\n', a->file);
1209 putc ('\f', a->file);