#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"
#ifdef HAVE_CAIRO
/* Colours for charts */
- struct xr_color fg;
- struct xr_color bg;
+ struct cell_color fg;
+ 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. */
struct u8_line *lines; /* Page content. */
int allocated_lines; /* Number of lines allocated. */
int chart_cnt; /* Number of charts so far. */
+ int object_cnt; /* Number of objects so far. */
struct render_params params;
};
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 bool ascii_open_page (struct ascii_driver *);
-
static void ascii_draw_line (void *, int bb[TABLE_N_AXES][2],
enum render_line_style styles[TABLE_N_AXES][2],
struct cell_color colors[TABLE_N_AXES][2]);
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);
#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->error = false;
a->lines = NULL;
a->allocated_lines = 0;
- a->chart_cnt = 1;
+ 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.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];
a->params.supports_margins = false;
a->params.rtl = render_direction_rtl ();
if (!update_page_size (a, true))
goto error;
+ a->file = fn_open (a->handle, a->append ? "a" : "w");
+ if (!a->file)
+ {
+ msg_error (errno, _("ascii: opening output file `%s'"),
+ fh_get_file_name (a->handle));
+ goto error;
+ }
+
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
{
for (size_t y = 0; y < n_lines; y++)
{
- struct u8_line *line = &a->lines[y];
+ if (y < a->allocated_lines)
+ {
+ struct u8_line *line = &a->lines[y];
- while (ds_chomp_byte (&line->s, ' '))
- continue;
- fwrite (ds_data (&line->s), 1, ds_length (&line->s), a->file);
+ while (ds_chomp_byte (&line->s, ' '))
+ continue;
+ fwrite (ds_data (&line->s), 1, ds_length (&line->s), a->file);
+ u8_line_clear (&a->lines[y]);
+ }
putc ('\n', a->file);
-
- u8_line_clear (&a->lines[y]);
}
}
update_page_size (a, false);
- if (a->file)
+ if (a->object_cnt++)
putc ('\n', a->file);
- else if (!ascii_open_page (a))
- return;
p = render_pager_create (&a->params, table_item);
for (int i = 0; render_pager_has_next (p); i++)
ascii_output_text (struct ascii_driver *a, const char *text)
{
ascii_output_table_item_unref (
- a, table_item_create (table_from_string (TABLE_HALIGN_LEFT, text),
- NULL, NULL));
+ a, table_item_create (table_from_string (text), NULL, NULL));
}
static void
char *file_name;
file_name = xr_draw_png_chart (chart_item, a->chart_file_name,
- a->chart_cnt++,
+ ++a->chart_cnt,
&a->fg,
&a->bg);
if (file_name != NULL)
struct text_item *text_item;
text_item = text_item_create_format (
- TEXT_ITEM_PARAGRAPH, _("See %s for a chart."), file_name);
+ TEXT_ITEM_LOG, _("See %s for a chart."), file_name);
ascii_submit (driver, &text_item->output_item);
text_item_unref (text_item);
const struct text_item *text_item = to_text_item (output_item);
enum text_item_type type = text_item_get_type (text_item);
- switch (type)
- {
- case TEXT_ITEM_PAGE_TITLE:
- case TEXT_ITEM_BLANK_LINE:
- break;
-
- case TEXT_ITEM_EJECT_PAGE:
- break;
-
- default:
- ascii_output_table_item_unref (
- a, text_item_to_table_item (text_item_ref (text_item)));
- break;
- }
+ if (type != TEXT_ITEM_PAGE_TITLE && type != TEXT_ITEM_EJECT_PAGE)
+ ascii_output_table_item_unref (
+ a, text_item_to_table_item (text_item_ref (text_item)));
}
else if (is_message_item (output_item))
{
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);
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;
int bb[TABLE_N_AXES][2];
int width, height;
- if (a->file == NULL && !ascii_open_page (a))
+ if (!a->file)
return;
struct area_style style = {
{
struct ascii_driver *a = ascii_driver_cast (driver);
- if (a->file == NULL && !ascii_open_page (a))
+ if (!a->file)
return;
if (y < 0)
{
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
-/* ascii_close_page () and support routines. */
+static sig_atomic_t terminal_changed = true;
+static int terminal_width;
#if HAVE_DECL_SIGWINCH
-static struct ascii_driver *the_driver;
-
static void
winch_handler (int signum UNUSED)
{
- update_page_size (the_driver, false);
+ terminal_changed = true;
}
#endif
-static bool
-ascii_open_page (struct ascii_driver *a)
+int
+get_terminal_width (void)
{
- if (a->error)
- return false;
-
- if (a->file == NULL)
- {
- a->file = fn_open (a->handle, a->append ? "a" : "w");
- if (a->file != NULL)
- {
- 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);
+ 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
- a->auto_width = true;
- }
- }
+
+ 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
{
- msg_error (errno, _("ascii: opening output file `%s'"),
- fh_get_file_name (a->handle));
- a->error = true;
- return false;
+ if (getenv ("COLUMNS"))
+ terminal_width = atoi (getenv ("COLUMNS"));
}
+
+ if (terminal_width <= 0 || terminal_width > 1024)
+ terminal_width = 79;
}
- return true;
+ return terminal_width;
}
projects / pspp / blobdiff