#include <ctype.h>
#include <errno.h>
#include <limits.h>
+#include <signal.h>
#include <stdint.h>
#include <stdlib.h>
-#include <signal.h>
#include <unilbrk.h>
#include <unistd.h>
#include <unistr.h>
#include <uniwidth.h>
+#ifdef HAVE_TERMIOS_H
+# include <termios.h>
+#endif
+
+#ifdef GWINSZ_IN_SYS_IOCTL
+# include <sys/ioctl.h>
+#endif
+
#include "data/file-name.h"
#include "data/file-handle-def.h"
#include "data/settings.h"
#include "libpspp/u8-line.h"
#include "libpspp/version.h"
#include "output/ascii.h"
-#include "output/cairo.h"
+#ifdef HAVE_CAIRO
+#include "output/cairo-chart.h"
+#endif
#include "output/chart-item-provider.h"
#include "output/driver-provider.h"
#include "output/message-item.h"
struct cell_color bg;
#endif
+ /* How the page width is determined: */
+ enum {
+ FIXED_WIDTH, /* Specified by configuration. */
+ VIEW_WIDTH, /* From SET WIDTH. */
+ TERMINAL_WIDTH /* From the terminal's width. */
+ } width_mode;
int width; /* Page width. */
- bool auto_width; /* Use viewwidth as page width? */
- int min_break[TABLE_N_AXES]; /* Min cell size to break across pages. */
+ int min_hbreak; /* Min cell size to break across pages. */
const ucs4_t *box; /* Line & box drawing characters. */
static void ascii_submit (struct output_driver *, const struct output_item *);
+static int get_terminal_width (void);
+
static bool update_page_size (struct ascii_driver *, bool issue_error);
static int parse_page_size (struct driver_option *);
static int ascii_measure_cell_height (void *, const struct table_cell *,
int width);
static void ascii_draw_cell (void *, const struct table_cell *, int color_idx,
- int bb[TABLE_N_AXES][2],
+ int bb[TABLE_N_AXES][2], int valign_offset,
int spill[TABLE_N_AXES][2],
int clip[TABLE_N_AXES][2]);
-#if HAVE_DECL_SIGWINCH
-static struct ascii_driver *the_driver;
-
-static void winch_handler (int);
-#endif
-
static struct ascii_driver *
ascii_driver_cast (struct output_driver *driver)
{
struct string_map *o)
{
enum { BOX_ASCII, BOX_UNICODE } box;
- int min_break[TABLE_N_AXES];
struct output_driver *d;
struct ascii_driver *a;
a->chart_file_name = parse_chart_file_name (opt (d, o, "charts", fh_get_file_name (fh)));
a->handle = fh;
- min_break[H] = parse_int (opt (d, o, "min-hbreak", "-1"), -1, INT_MAX);
- a->width = parse_page_size (opt (d, o, "width", "79"));
- a->auto_width = a->width < 0;
- a->min_break[H] = min_break[H] >= 0 ? min_break[H] : a->width / 2;
+ bool terminal = !strcmp (fh_get_file_name (fh), "-") && isatty (1);
+ a->width = parse_page_size (opt (d, o, "width", "-1"));
+ a->width_mode = (a->width > 0 ? FIXED_WIDTH
+ : terminal ? TERMINAL_WIDTH
+ : VIEW_WIDTH);
+ a->min_hbreak = parse_int (opt (d, o, "min-hbreak", "-1"), -1, INT_MAX);
+
#ifdef HAVE_CAIRO
- parse_color (d, o, "background-color", "#FFFFFFFFFFFF", &a->bg);
- parse_color (d, o, "foreground-color", "#000000000000", &a->fg);
+ a->bg = parse_color (opt (d, o, "background-color", "#FFFFFFFFFFFF"));
+ a->fg = parse_color (opt (d, o, "foreground-color", "#000000000000"));
#endif
- const char *default_box = (!strcmp (fh_get_file_name (fh), "-")
- && isatty (STDOUT_FILENO)
- && (!strcmp (locale_charset (), "UTF-8")
- || term_is_utf8_xterm ())
+ const char *default_box = (terminal && (!strcmp (locale_charset (), "UTF-8")
+ || term_is_utf8_xterm ())
? "unicode" : "ascii");
box = parse_enum (opt (d, o, "box", default_box),
"ascii", BOX_ASCII,
a->chart_cnt = 0;
a->object_cnt = 0;
- a->params.draw_line = ascii_draw_line;
- a->params.measure_cell_width = ascii_measure_cell_width;
- a->params.measure_cell_height = ascii_measure_cell_height;
- a->params.adjust_break = NULL;
- a->params.draw_cell = ascii_draw_cell;
+ static const struct render_ops ascii_render_ops = {
+ .draw_line = ascii_draw_line,
+ .measure_cell_width = ascii_measure_cell_width,
+ .measure_cell_height = ascii_measure_cell_height,
+ .adjust_break = NULL,
+ .draw_cell = ascii_draw_cell,
+ };
+ a->params.ops = &ascii_render_ops;
a->params.aux = a;
a->params.size[H] = a->width;
a->params.size[V] = INT_MAX;
a->params.font_size[H] = 1;
a->params.font_size[V] = 1;
- for (int i = 0; i < RENDER_N_LINES; i++)
- {
- int width = i == RENDER_LINE_NONE ? 0 : 1;
- a->params.line_widths[H][i] = width;
- a->params.line_widths[V][i] = width;
- }
- for (int i = 0; i < TABLE_N_AXES; i++)
- a->params.min_break[i] = a->min_break[i];
+
+ static const int ascii_line_widths[RENDER_N_LINES] = {
+ [RENDER_LINE_NONE] = 0,
+ [RENDER_LINE_SINGLE] = 1,
+ [RENDER_LINE_DASHED] = 1,
+ [RENDER_LINE_THICK] = 1,
+ [RENDER_LINE_THIN] = 1,
+ [RENDER_LINE_DOUBLE] = 1,
+ };
+ a->params.line_widths = ascii_line_widths;
a->params.supports_margins = false;
a->params.rtl = render_direction_rtl ();
goto error;
}
- if (isatty (fileno (a->file)))
- {
-#if HAVE_DECL_SIGWINCH
- struct sigaction action;
- sigemptyset (&action.sa_mask);
- action.sa_flags = 0;
- action.sa_handler = winch_handler;
- the_driver = a;
- sigaction (SIGWINCH, &action, NULL);
-#endif
- a->auto_width = true;
- }
-
return d;
error:
errno = 0;
value = strtol (option->value, &tail, 0);
- if (dim >= 1 && errno != ERANGE && *tail == '\0')
+ if (value >= 1 && errno != ERANGE && *tail == '\0')
dim = value;
else
msg (MW, _("%s: %s must be positive integer or `auto'"),
static bool
update_page_size (struct ascii_driver *a, bool issue_error)
{
- enum { MIN_WIDTH = 6, MIN_LENGTH = 6 };
-
- if (a->auto_width)
- {
- a->params.size[H] = a->width = settings_get_viewwidth ();
- a->params.min_break[H] = a->min_break[H] = a->width / 2;
- }
-
- if (a->width < MIN_WIDTH)
- {
- if (issue_error)
- msg (ME,
- _("ascii: page must be at least %d characters wide, but "
- "as configured is only %d characters"),
- MIN_WIDTH,
- a->width);
- if (a->width < MIN_WIDTH)
- a->params.size[H] = a->width = MIN_WIDTH;
- return false;
- }
+ enum { MIN_WIDTH = 6 };
+
+ int want_width = (a->width_mode == VIEW_WIDTH ? settings_get_viewwidth ()
+ : a->width_mode == TERMINAL_WIDTH ? get_terminal_width ()
+ : a->width);
+ bool ok = want_width >= MIN_WIDTH;
+ if (!ok && issue_error)
+ msg (ME, _("ascii: page must be at least %d characters wide, but "
+ "as configured is only %d characters"),
+ MIN_WIDTH, want_width);
+
+ a->width = ok ? want_width : MIN_WIDTH;
+ a->params.size[H] = a->width;
+ a->params.min_break[H] = a->min_hbreak >= 0 ? a->min_hbreak : a->width / 2;
- return true;
+ return ok;
}
static void
table_item_unref (table_item);
}
-static void
-ascii_output_text (struct ascii_driver *a, const char *text)
-{
- ascii_output_table_item_unref (
- a, table_item_create (table_from_string (text), NULL, NULL));
-}
-
static void
ascii_submit (struct output_driver *driver,
const struct output_item *output_item)
const struct text_item *text_item = to_text_item (output_item);
enum text_item_type type = text_item_get_type (text_item);
- if (type != TEXT_ITEM_PAGE_TITLE && type != TEXT_ITEM_EJECT_PAGE)
+ if (type != TEXT_ITEM_PAGE_TITLE)
ascii_output_table_item_unref (
a, text_item_to_table_item (text_item_ref (text_item)));
}
else if (is_message_item (output_item))
- {
- const struct message_item *message_item = to_message_item (output_item);
- char *s = msg_to_string (message_item_get_msg (message_item));
- ascii_output_text (a, s);
- free (s);
- }
+ ascii_output_table_item_unref (
+ a, text_item_to_table_item (
+ message_item_to_text_item (
+ to_message_item (
+ output_item_ref (output_item)))));
}
const struct output_driver_factory txt_driver_factory =
clip[H][0] = clip[H][1] = clip[V][0] = clip[V][1] = 0;
ascii_layout_cell (a, cell, bb, clip, max_width, &h);
- if (cell->n_footnotes || strchr (cell->text, ' '))
+ if (cell->n_footnotes || strchr (cell->text, ' ')
+ || cell->n_subscripts || cell->superscript)
{
bb[H][1] = 1;
ascii_layout_cell (a, cell, bb, clip, min_width, &h);
static void
ascii_draw_cell (void *a_, const struct table_cell *cell, int color_idx UNUSED,
- int bb[TABLE_N_AXES][2],
+ int bb[TABLE_N_AXES][2], int valign_offset,
int spill[TABLE_N_AXES][2] UNUSED,
int clip[TABLE_N_AXES][2])
{
struct ascii_driver *a = a_;
int w, h;
+ bb[V][0] += valign_offset;
ascii_layout_cell (a, cell, bb, clip, &w, &h);
}
int ofs;
ofs = width = 0;
- for (ofs = 0; ofs < n; )
+ for (ofs = 0; ofs < n;)
{
ucs4_t uc;
int mblen;
}
static char *
-add_footnote_markers (const char *text, const struct table_cell *cell)
+add_markers (const char *text, const struct table_cell *cell)
{
struct string s = DS_EMPTY_INITIALIZER;
ds_put_cstr (&s, text);
+ for (size_t i = 0; i < cell->n_subscripts; i++)
+ ds_put_format (&s, "%c%s", i ? ',' : '_', cell->subscripts[i]);
+ if (cell->superscript)
+ ds_put_format (&s, "^%s", cell->superscript);
for (size_t i = 0; i < cell->n_footnotes; i++)
ds_put_format (&s, "[%s]", cell->footnotes[i]->marker);
return ds_steal_cstr (&s);
? output_get_text_from_markup (cell->text)
: cell->text);
- /* Append footnote markers if any. */
+ /* Append footnotes, subscripts, superscript if any. */
const char *text;
- if (cell->n_footnotes)
+ if (cell->n_footnotes || cell->n_subscripts || cell->superscript)
{
- text = add_footnote_markers (plain_text, cell);
+ text = add_markers (plain_text, cell);
if (plain_text != cell->text)
free (CONST_CAST (char *, plain_text));
}
size_t graph_ofs;
size_t ofs;
- for (ofs = 0; ofs < n; )
+ for (ofs = 0; ofs < n;)
{
ucs4_t uc;
int mblen;
if (!a->file)
return;
- struct area_style style = {
+ struct table_area_style style = {
.cell_style.halign = TABLE_HALIGN_LEFT,
.font_style.bold = bold,
.font_style.underline = underline,
{
struct ascii_driver *a = ascii_driver_cast (driver);
- for (size_t i = a->allocated_lines; i-- > 0; )
+ for (size_t i = a->allocated_lines; i-- > 0;)
if (a->lines[i].width)
{
ascii_output_lines (a, i + 1);
}
}
\f
+static sig_atomic_t terminal_changed = true;
+static int terminal_width;
+
#if HAVE_DECL_SIGWINCH
static void
winch_handler (int signum UNUSED)
{
- update_page_size (the_driver, false);
+ terminal_changed = true;
}
#endif
+
+int
+get_terminal_width (void)
+{
+#if HAVE_DECL_SIGWINCH
+ static bool setup_signal;
+ if (!setup_signal)
+ {
+ setup_signal = true;
+
+ struct sigaction action = { .sa_handler = winch_handler };
+ sigemptyset (&action.sa_mask);
+ sigaction (SIGWINCH, &action, NULL);
+ }
+#endif
+
+ if (terminal_changed)
+ {
+ terminal_changed = false;
+
+#ifdef HAVE_TERMIOS_H
+ struct winsize ws;
+ if (!ioctl (0, TIOCGWINSZ, &ws))
+ terminal_width = ws.ws_col;
+ else
+#endif
+ {
+ if (getenv ("COLUMNS"))
+ terminal_width = atoi (getenv ("COLUMNS"));
+ }
+
+ if (terminal_width <= 0 || terminal_width > 1024)
+ terminal_width = 79;
+ }
+
+ return terminal_width;
+}
projects / pspp / blobdiff