#include "output/message-item.h"
#include "output/options.h"
#include "output/render.h"
-#include "output/tab.h"
#include "output/table-item.h"
#include "output/text-item.h"
#define H TABLE_HORZ
#define V TABLE_VERT
-#define N_BOX (RENDER_N_LINES * RENDER_N_LINES \
- * RENDER_N_LINES * RENDER_N_LINES)
+enum
+ {
+ ASCII_LINE_NONE,
+ ASCII_LINE_SINGLE,
+ ASCII_LINE_DOUBLE,
+ ASCII_N_LINES
+ };
+
+#define N_BOX (ASCII_N_LINES * ASCII_N_LINES \
+ * ASCII_N_LINES * ASCII_N_LINES)
static const ucs4_t ascii_box_chars[N_BOX] =
{
0x2566, 0x256c, 0x256c,
};
-static inline int
-make_box_index (int left, int right, int top, int bottom)
+static int
+ascii_line_from_render_line (int render_line)
{
- int start_side = left;
- int end_side = right;
- if (render_direction_rtl ())
+ switch (render_line)
{
- start_side = right;
- end_side = left;
+ case RENDER_LINE_NONE:
+ return ASCII_LINE_NONE;
+
+ case RENDER_LINE_SINGLE:
+ case RENDER_LINE_DASHED:
+ case RENDER_LINE_THICK:
+ case RENDER_LINE_THIN:
+ return ASCII_LINE_SINGLE;
+
+ case RENDER_LINE_DOUBLE:
+ return ASCII_LINE_DOUBLE;
+
+ default:
+ return ASCII_LINE_NONE;
}
- return ((end_side * RENDER_N_LINES + bottom) * RENDER_N_LINES + start_side) * RENDER_N_LINES + top;
}
-/* How to emphasize text. */
-enum emphasis_style
- {
- EMPH_BOLD, /* Overstrike for bold. */
- EMPH_UNDERLINE, /* Overstrike for underlining. */
- EMPH_NONE /* No emphasis. */
- };
+static int
+make_box_index (int left_, int right_, int top_, int bottom_)
+{
+ bool rtl = render_direction_rtl ();
+ int left = ascii_line_from_render_line (rtl ? right_ : left_);
+ int right = ascii_line_from_render_line (rtl ? left_ : right_);
+ int top = ascii_line_from_render_line (top_);
+ int bottom = ascii_line_from_render_line (bottom_);
+
+ int idx = right;
+ idx = idx * ASCII_N_LINES + bottom;
+ idx = idx * ASCII_N_LINES + left;
+ idx = idx * ASCII_N_LINES + top;
+ return idx;
+}
/* ASCII output driver. */
struct ascii_driver
/* User parameters. */
bool append; /* Append if output file already exists? */
- enum emphasis_style emphasis; /* How to emphasize text. */
+ bool emphasis; /* Enable bold and underline in output? */
char *chart_file_name; /* Name of files used for charts. */
#ifdef HAVE_CAIRO
struct u8_line *lines; /* Page content. */
int allocated_lines; /* Number of lines allocated. */
int chart_cnt; /* Number of charts so far. */
+ struct render_params params;
};
static const struct output_driver_class ascii_driver_class;
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]);
+ enum render_line_style styles[TABLE_N_AXES][2],
+ struct cell_color colors[TABLE_N_AXES][2]);
static void ascii_measure_cell_width (void *, const struct table_cell *,
int *min, int *max);
static int ascii_measure_cell_height (void *, const struct table_cell *,
int width);
-static void ascii_draw_cell (void *, const struct table_cell *,
+static void ascii_draw_cell (void *, const struct table_cell *, int color_idx,
int bb[TABLE_N_AXES][2],
+ int spill[TABLE_N_AXES][2],
int clip[TABLE_N_AXES][2]);
static struct ascii_driver *
return driver_option_get (d, options, key, default_value);
}
+/* Return true iff the terminal appears to be an xterm with
+ UTF-8 capabilities */
+static bool
+term_is_utf8_xterm (void)
+{
+ const char *term = getenv ("TERM");
+ const char *xterm_locale = getenv ("XTERM_LOCAL");
+ return (term && xterm_locale
+ && !strcmp (term, "xterm")
+ && (strcasestr (xterm_locale, "utf8")
+ || strcasestr (xterm_locale, "utf-8")));
+}
+
static struct output_driver *
ascii_create (struct file_handle *fh, enum settings_output_devices device_type,
struct string_map *o)
d = &a->driver;
output_driver_init (&a->driver, &ascii_driver_class, fh_get_file_name (fh), device_type);
a->append = parse_boolean (opt (d, o, "append", "false"));
- a->emphasis = parse_enum (opt (d, o, "emphasis", "none"),
- "bold", EMPH_BOLD,
- "underline", EMPH_UNDERLINE,
- "none", EMPH_NONE,
- NULL_SENTINEL);
+ a->emphasis = parse_boolean (opt (d, o, "emphasis", "false"));
a->chart_file_name = parse_chart_file_name (opt (d, o, "charts", fh_get_file_name (fh)));
a->handle = fh;
parse_color (d, o, "background-color", "#FFFFFFFFFFFF", &a->bg);
parse_color (d, o, "foreground-color", "#000000000000", &a->fg);
#endif
- box = parse_enum (opt (d, o, "box", "ascii"),
+
+ const char *default_box = (!strcmp (fh_get_file_name (fh), "-")
+ && isatty (STDOUT_FILENO)
+ && (!strcmp (locale_charset (), "UTF-8")
+ || term_is_utf8_xterm ())
+ ? "unicode" : "ascii");
+ box = parse_enum (opt (d, o, "box", default_box),
"ascii", BOX_ASCII,
"unicode", BOX_UNICODE,
NULL_SENTINEL);
a->allocated_lines = 0;
a->chart_cnt = 1;
+ 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;
+ 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];
+ a->params.supports_margins = false;
+ a->params.rtl = render_direction_rtl ();
+
if (!update_page_size (a, true))
goto error;
if (a->auto_width)
{
- a->width = settings_get_viewwidth ();
- a->min_break[H] = a->width / 2;
+ 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)
MIN_WIDTH,
a->width);
if (a->width < MIN_WIDTH)
- a->width = MIN_WIDTH;
+ a->params.size[H] = a->width = MIN_WIDTH;
return false;
}
ascii_output_table_item (struct ascii_driver *a,
const struct table_item *table_item)
{
- struct render_params params;
struct render_pager *p;
- int i;
update_page_size (a, false);
- params.draw_line = ascii_draw_line;
- params.measure_cell_width = ascii_measure_cell_width;
- params.measure_cell_height = ascii_measure_cell_height;
- params.adjust_break = NULL;
- params.draw_cell = ascii_draw_cell;
- params.aux = a;
- params.size[H] = a->width;
- params.size[V] = INT_MAX;
- params.font_size[H] = 1;
- params.font_size[V] = 1;
- for (i = 0; i < RENDER_N_LINES; i++)
- {
- int width = i == RENDER_LINE_NONE ? 0 : 1;
- params.line_widths[H][i] = width;
- params.line_widths[V][i] = width;
- }
- for (i = 0; i < TABLE_N_AXES; i++)
- params.min_break[i] = a->min_break[i];
- params.supports_margins = false;
-
if (a->file)
putc ('\n', a->file);
else if (!ascii_open_page (a))
return;
- p = render_pager_create (¶ms, table_item);
+ p = render_pager_create (&a->params, table_item);
for (int i = 0; render_pager_has_next (p); i++)
{
if (i)
{
struct table_item *table_item;
- table_item = table_item_create (table_from_string (TAB_LEFT, text),
+ table_item = table_item_create (table_from_string (TABLE_HALIGN_LEFT, text),
NULL, NULL);
ascii_output_table_item (a, table_item);
table_item_unref (table_item);
{
const struct text_item *text_item = to_text_item (output_item);
enum text_item_type type = text_item_get_type (text_item);
- const char *text = text_item_get_text (text_item);
switch (type)
{
- case TEXT_ITEM_TITLE:
- case TEXT_ITEM_SUBTITLE:
- case TEXT_ITEM_COMMAND_OPEN:
- case TEXT_ITEM_COMMAND_CLOSE:
- break;
-
+ case TEXT_ITEM_PAGE_TITLE:
case TEXT_ITEM_BLANK_LINE:
break;
break;
default:
- ascii_output_text (a, text);
+ ascii_output_table_item (a, text_item_to_table_item (text_item_ref (text_item)));
break;
}
}
else if (is_message_item (output_item))
{
const struct message_item *message_item = to_message_item (output_item);
- const struct msg *msg = message_item_get_msg (message_item);
- char *s = msg_to_string (msg, message_item->command_name);
+ char *s = msg_to_string (message_item_get_msg (message_item));
ascii_output_text (a, s);
free (s);
}
static void
ascii_draw_line (void *a_, int bb[TABLE_N_AXES][2],
- enum render_line_style styles[TABLE_N_AXES][2])
+ enum render_line_style styles[TABLE_N_AXES][2],
+ struct cell_color colors[TABLE_N_AXES][2] UNUSED)
{
struct ascii_driver *a = a_;
char mbchar[6];
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_contents != 1
- || cell->contents[0].n_footnotes
- || strchr (cell->contents[0].text, ' '))
+ if (cell->n_footnotes || strchr (cell->text, ' '))
{
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 bb[TABLE_N_AXES][2], int clip[TABLE_N_AXES][2])
+ascii_draw_cell (void *a_, const struct table_cell *cell, int color_idx UNUSED,
+ int bb[TABLE_N_AXES][2],
+ int spill[TABLE_N_AXES][2] UNUSED,
+ int clip[TABLE_N_AXES][2])
{
struct ascii_driver *a = a_;
int w, h;
}
static void
-text_draw (struct ascii_driver *a, unsigned int options,
+text_draw (struct ascii_driver *a, enum table_halign halign, int options,
+ bool bold, bool underline,
int bb[TABLE_N_AXES][2], int clip[TABLE_N_AXES][2],
int y, const uint8_t *string, int n, size_t width)
{
if (y < y0 || y >= y1)
return;
- switch (options & TAB_HALIGN)
+ switch (table_halign_interpret (halign, options & TAB_NUMERIC))
{
- case TAB_LEFT:
+ case TABLE_HALIGN_LEFT:
x = bb[H][0];
break;
- case TAB_CENTER:
+ case TABLE_HALIGN_CENTER:
x = (bb[H][0] + bb[H][1] - width + 1) / 2;
break;
- case TAB_RIGHT:
+ case TABLE_HALIGN_RIGHT:
+ case TABLE_HALIGN_DECIMAL:
x = bb[H][1] - width;
break;
default:
return;
}
- if (!(options & TAB_EMPH) || a->emphasis == EMPH_NONE)
+ if (!a->emphasis || (!bold && !underline))
memcpy (ascii_reserve (a, y, x, x + width, n), string, n);
else
{
w = uc_width (uc, "UTF-8");
if (w > 0)
- n_out += a->emphasis == EMPH_UNDERLINE ? 2 : 1 + mblen;
+ {
+ if (bold)
+ n_out += 1 + mblen;
+ if (underline)
+ n_out += 2;
+ }
}
/* Then insert them. */
if (w > 0)
{
- if (a->emphasis == EMPH_UNDERLINE)
- *out++ = '_';
- else
- out = mempcpy (out, string + ofs, mblen);
- *out++ = '\b';
+ if (bold)
+ {
+ out = mempcpy (out, string + ofs, mblen);
+ *out++ = '\b';
+ }
+ if (underline)
+ {
+ *out++ = '_';
+ *out++ = '\b';
+ }
}
out = mempcpy (out, string + ofs, mblen);
}
}
}
-static int
-ascii_layout_cell_text (struct ascii_driver *a,
- const struct cell_contents *contents,
- int bb[TABLE_N_AXES][2], int clip[TABLE_N_AXES][2],
- int *widthp)
+static char *
+add_footnote_markers (const char *text, const struct table_cell *cell)
{
- size_t length;
- const char *text;
- char *breaks;
- int bb_width;
- size_t pos;
- int y;
-
- y = bb[V][0];
- length = strlen (contents->text);
- if (contents->n_footnotes)
- {
- struct string s;
- int i;
+ struct string s = DS_EMPTY_INITIALIZER;
+ ds_put_cstr (&s, text);
+ for (size_t i = 0; i < cell->n_footnotes; i++)
+ ds_put_format (&s, "[%s]", cell->footnotes[i]->marker);
+ return ds_steal_cstr (&s);
+}
+
+static void
+ascii_layout_cell (struct ascii_driver *a, const struct table_cell *cell,
+ int bb[TABLE_N_AXES][2], int clip[TABLE_N_AXES][2],
+ int *widthp, int *heightp)
+{
+ *widthp = 0;
+ *heightp = 0;
- ds_init_empty (&s);
- ds_extend (&s, length + contents->n_footnotes * 4);
- ds_put_cstr (&s, contents->text);
- for (i = 0; i < contents->n_footnotes; i++)
- ds_put_format (&s, "[%s]", contents->footnotes[i]->marker);
+ /* Get the basic textual contents. */
+ const char *plain_text = (cell->options & TAB_MARKUP
+ ? output_get_text_from_markup (cell->text)
+ : cell->text);
- length = ds_length (&s);
- text = ds_steal_cstr (&s);
+ /* Append footnote markers if any. */
+ const char *text;
+ if (cell->n_footnotes)
+ {
+ text = add_footnote_markers (plain_text, cell);
+ if (plain_text != cell->text)
+ free (CONST_CAST (char *, plain_text));
}
else
+ text = plain_text;
+
+ /* Calculate length; if it's zero, then there's nothing to do. */
+ size_t length = strlen (text);
+ if (!length)
{
- if (length == 0)
- return y;
- text = contents->text;
+ if (text != cell->text)
+ free (CONST_CAST (char *, text));
+ return;
}
- breaks = xmalloc (length + 1);
+ char *breaks = xmalloc (length + 1);
u8_possible_linebreaks (CHAR_CAST (const uint8_t *, text), length,
"UTF-8", breaks);
breaks[length] = (breaks[length - 1] == UC_BREAK_MANDATORY
? UC_BREAK_PROHIBITED : UC_BREAK_POSSIBLE);
- pos = 0;
- bb_width = bb[H][1] - bb[H][0];
- for (y = bb[V][0]; y < bb[V][1] && pos < length; y++)
+ size_t pos = 0;
+ int bb_width = bb[H][1] - bb[H][0];
+ for (int y = bb[V][0]; y < bb[V][1] && pos < length; y++)
{
const uint8_t *line = CHAR_CAST (const uint8_t *, text + pos);
const char *b = breaks + pos;
width -= ofs - graph_ofs;
/* Draw text. */
- text_draw (a, contents->options, bb, clip, y, line, graph_ofs, width);
+ text_draw (a, cell->style->cell_style.halign, cell->options,
+ cell->style->font_style.bold,
+ cell->style->font_style.underline,
+ bb, clip, y, line, graph_ofs, width);
/* If a new-line ended the line, just skip the new-line. Otherwise, skip
past any spaces past the end of the line (but not past a new-line). */
if (width > *widthp)
*widthp = width;
+ ++*heightp;
pos += ofs;
}
free (breaks);
- if (text != contents->text)
+ if (text != cell->text)
free (CONST_CAST (char *, text));
-
- return y;
-}
-
-static void
-ascii_layout_cell (struct ascii_driver *a, const struct table_cell *cell,
- int bb_[TABLE_N_AXES][2], int clip[TABLE_N_AXES][2],
- int *widthp, int *heightp)
-{
- int bb[TABLE_N_AXES][2];
- size_t i;
-
- *widthp = 0;
- *heightp = 0;
-
- memcpy (bb, bb_, sizeof bb);
- for (i = 0; i < cell->n_contents && bb[V][0] < bb[V][1]; i++)
- {
- const struct cell_contents *contents = &cell->contents[i];
-
- /* Put a blank line between contents. */
- if (i > 0)
- {
- bb[V][0]++;
- if (bb[V][0] >= bb[V][1])
- break;
- }
-
- bb[V][0] = ascii_layout_cell_text (a, contents, bb, clip, widthp);
- }
- *heightp = bb[V][0] - bb_[V][0];
}
void
ascii_test_write (struct output_driver *driver,
- const char *s, int x, int y, unsigned int options)
+ const char *s, int x, int y, bool bold, bool underline)
{
struct ascii_driver *a = ascii_driver_cast (driver);
int bb[TABLE_N_AXES][2];
if (a->file == NULL && !ascii_open_page (a))
return;
- struct cell_contents contents = {
- .options = options | TAB_LEFT,
- .text = CONST_CAST (char *, s),
+ struct area_style style = {
+ .cell_style.halign = TABLE_HALIGN_LEFT,
+ .font_style.bold = bold,
+ .font_style.underline = underline,
};
-
struct table_cell cell = {
- .contents = &contents,
- .n_contents = 1,
+ .text = CONST_CAST (char *, s),
+ .style = &style,
};
bb[TABLE_HORZ][0] = x;