degesch: formatter: simplifications
This commit is contained in:
parent
6deb471423
commit
502bb26f29
190
degesch.c
190
degesch.c
@ -1473,6 +1473,10 @@ serialize_configuration (struct app_context *ctx, struct str *output)
|
||||
/// Bright versions of the basic color set
|
||||
#define COLOR_BRIGHT(x) (COLOR_ ## x + 8)
|
||||
|
||||
/// Builds a color pair for 256-color terminals with a 16-color backup value
|
||||
#define COLOR_256(name, c256) \
|
||||
(COLOR_ ## name) & 0xFFFF | ((c256 << 16) & 0xFFFF)
|
||||
|
||||
static struct
|
||||
{
|
||||
bool initialized; ///< Terminal is available
|
||||
@ -1559,6 +1563,10 @@ free_terminal (void)
|
||||
del_curterm (cur_term);
|
||||
}
|
||||
|
||||
// NOTE: commonly terminals have 8 colors (worst), 16 colors (allows brightness
|
||||
// without the bold/blink attributes), 88 colors (the same plus a 4^3 RGB cube
|
||||
// and a few shades of gray), or 256 colors (best)
|
||||
|
||||
static int
|
||||
index_to_terminal_palette (int color)
|
||||
{
|
||||
@ -1706,6 +1714,21 @@ init_colors (struct app_context *ctx)
|
||||
g_log_message_real = log_message_attributed;
|
||||
}
|
||||
|
||||
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||||
|
||||
// A little tool that tries to make the most of the terminal's capabilities
|
||||
// to set up text attributes. It mostly targets just terminal emulators as that
|
||||
// is what people are using these days. At least no stupid ncurses limits us
|
||||
// with color pairs.
|
||||
|
||||
enum
|
||||
{
|
||||
ATTRIBUTE_BOLD = 1 << 0,
|
||||
ATTRIBUTE_ITALIC = 1 << 1,
|
||||
ATTRIBUTE_UNDERLINE = 1 << 2,
|
||||
ATTRIBUTE_INVERSE = 1 << 3
|
||||
};
|
||||
|
||||
// --- Output formatter --------------------------------------------------------
|
||||
|
||||
// This complicated piece of code makes attributed text formatting simple.
|
||||
@ -1728,13 +1751,7 @@ enum formatter_item_type
|
||||
FORMATTER_ITEM_ATTR, ///< Formatting attributes
|
||||
FORMATTER_ITEM_FG_COLOR, ///< Foreground color
|
||||
FORMATTER_ITEM_BG_COLOR, ///< Background color
|
||||
|
||||
// These are internal, for mIRC formatting only so far:
|
||||
|
||||
FORMATTER_ITEM_BOLD, ///< Bold
|
||||
FORMATTER_ITEM_ITALIC, ///< Italic
|
||||
FORMATTER_ITEM_UNDERLINE, ///< Underline
|
||||
FORMATTER_ITEM_INVERSE ///< Inverse
|
||||
FORMATTER_ITEM_SIMPLE ///< For mIRC formatting only so far
|
||||
};
|
||||
|
||||
struct formatter_item
|
||||
@ -1786,65 +1803,28 @@ formatter_free (struct formatter *self)
|
||||
formatter_item_destroy (iter);
|
||||
}
|
||||
|
||||
static struct formatter_item *
|
||||
formatter_add_blank (struct formatter *self)
|
||||
static void
|
||||
formatter_add_item (struct formatter *self, struct formatter_item template_)
|
||||
{
|
||||
if (template_.type != FORMATTER_ITEM_TEXT && self->ignore_new_attributes)
|
||||
return;
|
||||
if (template_.text)
|
||||
template_.text = xstrdup (template_.text);
|
||||
|
||||
struct formatter_item *item = formatter_item_new ();
|
||||
*item = template_;
|
||||
LIST_APPEND_WITH_TAIL (self->items, self->items_tail, item);
|
||||
return item;
|
||||
}
|
||||
|
||||
static void
|
||||
formatter_add_text (struct formatter *self, const char *text)
|
||||
{
|
||||
struct formatter_item *item = formatter_add_blank (self);
|
||||
item->type = FORMATTER_ITEM_TEXT;
|
||||
item->text = xstrdup (text);
|
||||
}
|
||||
#define FORMATTER_ADD_ITEM(self, type_, ...) formatter_add_item ((self), \
|
||||
(struct formatter_item) { .type = FORMATTER_ITEM_ ## type_, __VA_ARGS__ })
|
||||
|
||||
static void
|
||||
formatter_add_reset (struct formatter *self)
|
||||
{
|
||||
if (self->ignore_new_attributes)
|
||||
return;
|
||||
|
||||
struct formatter_item *item = formatter_add_blank (self);
|
||||
item->type = FORMATTER_ITEM_ATTR;
|
||||
item->attribute = ATTR_RESET;
|
||||
}
|
||||
|
||||
static void
|
||||
formatter_add_attr (struct formatter *self, int attr_id)
|
||||
{
|
||||
if (self->ignore_new_attributes)
|
||||
return;
|
||||
|
||||
struct formatter_item *item = formatter_add_blank (self);
|
||||
item->type = FORMATTER_ITEM_ATTR;
|
||||
item->attribute = attr_id;
|
||||
}
|
||||
|
||||
static void
|
||||
formatter_add_fg_color (struct formatter *self, int color)
|
||||
{
|
||||
if (self->ignore_new_attributes)
|
||||
return;
|
||||
|
||||
struct formatter_item *item = formatter_add_blank (self);
|
||||
item->type = FORMATTER_ITEM_FG_COLOR;
|
||||
item->color = color;
|
||||
}
|
||||
|
||||
static void
|
||||
formatter_add_bg_color (struct formatter *self, int color)
|
||||
{
|
||||
if (self->ignore_new_attributes)
|
||||
return;
|
||||
|
||||
struct formatter_item *item = formatter_add_blank (self);
|
||||
item->type = FORMATTER_ITEM_BG_COLOR;
|
||||
item->color = color;
|
||||
}
|
||||
#define FORMATTER_ADD_RESET(self) \
|
||||
FORMATTER_ADD_ITEM ((self), ATTR, .attribute = ATTR_RESET)
|
||||
#define FORMATTER_ADD_TEXT(self, text_) \
|
||||
FORMATTER_ADD_ITEM ((self), TEXT, .text = (text_))
|
||||
#define FORMATTER_ADD_SIMPLE(self, attribute_) \
|
||||
FORMATTER_ADD_ITEM ((self), SIMPLE, .attribute = ATTRIBUTE_ ## attribute_)
|
||||
|
||||
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||||
|
||||
@ -1859,41 +1839,26 @@ enum
|
||||
// We use estimates from the 16 color terminal palette, or the 256 color cube,
|
||||
// which is not always available. The mIRC orange colour is only in the cube.
|
||||
|
||||
// NOTE: commonly terminals have 8 colors (worst), 16 colors (allows brightness
|
||||
// without the bold/blink attributes), 88 colors (the same plus a 4^3 RGB cube
|
||||
// and a few shades of gray), or 256 colors (best)
|
||||
|
||||
/// Builds a color pair for 256-color terminals with a 16-color backup value
|
||||
#define FORMATTER_COLOR(name, c256) \
|
||||
(COLOR_ ## name) & 0xFFFF | ((c256 << 16) & 0xFFFF)
|
||||
|
||||
static const int g_mirc_to_term[] =
|
||||
static const int g_mirc_to_terminal[] =
|
||||
{
|
||||
[MIRC_WHITE] = FORMATTER_COLOR (BRIGHT (WHITE), 231),
|
||||
[MIRC_BLACK] = FORMATTER_COLOR (BLACK, 16),
|
||||
[MIRC_BLUE] = FORMATTER_COLOR (BLUE, 19),
|
||||
[MIRC_GREEN] = FORMATTER_COLOR (GREEN, 34),
|
||||
[MIRC_L_RED] = FORMATTER_COLOR (BRIGHT (RED), 196),
|
||||
[MIRC_RED] = FORMATTER_COLOR (RED, 124),
|
||||
[MIRC_PURPLE] = FORMATTER_COLOR (MAGENTA, 127),
|
||||
[MIRC_ORANGE] = FORMATTER_COLOR (BRIGHT (YELLOW), 214),
|
||||
[MIRC_YELLOW] = FORMATTER_COLOR (BRIGHT (YELLOW), 226),
|
||||
[MIRC_L_GREEN] = FORMATTER_COLOR (BRIGHT (GREEN), 46),
|
||||
[MIRC_CYAN] = FORMATTER_COLOR (CYAN, 37),
|
||||
[MIRC_L_CYAN] = FORMATTER_COLOR (BRIGHT (CYAN), 51),
|
||||
[MIRC_L_BLUE] = FORMATTER_COLOR (BRIGHT (BLUE), 21),
|
||||
[MIRC_L_PURPLE] = FORMATTER_COLOR (BRIGHT (MAGENTA),201),
|
||||
[MIRC_GRAY] = FORMATTER_COLOR (BRIGHT (BLACK), 244),
|
||||
[MIRC_L_GRAY] = FORMATTER_COLOR (WHITE, 252),
|
||||
[MIRC_WHITE] = COLOR_256 (BRIGHT (WHITE), 231),
|
||||
[MIRC_BLACK] = COLOR_256 (BLACK, 16),
|
||||
[MIRC_BLUE] = COLOR_256 (BLUE, 19),
|
||||
[MIRC_GREEN] = COLOR_256 (GREEN, 34),
|
||||
[MIRC_L_RED] = COLOR_256 (BRIGHT (RED), 196),
|
||||
[MIRC_RED] = COLOR_256 (RED, 124),
|
||||
[MIRC_PURPLE] = COLOR_256 (MAGENTA, 127),
|
||||
[MIRC_ORANGE] = COLOR_256 (BRIGHT (YELLOW), 214),
|
||||
[MIRC_YELLOW] = COLOR_256 (BRIGHT (YELLOW), 226),
|
||||
[MIRC_L_GREEN] = COLOR_256 (BRIGHT (GREEN), 46),
|
||||
[MIRC_CYAN] = COLOR_256 (CYAN, 37),
|
||||
[MIRC_L_CYAN] = COLOR_256 (BRIGHT (CYAN), 51),
|
||||
[MIRC_L_BLUE] = COLOR_256 (BRIGHT (BLUE), 21),
|
||||
[MIRC_L_PURPLE] = COLOR_256 (BRIGHT (MAGENTA),201),
|
||||
[MIRC_GRAY] = COLOR_256 (BRIGHT (BLACK), 244),
|
||||
[MIRC_L_GRAY] = COLOR_256 (WHITE, 252),
|
||||
};
|
||||
|
||||
static void
|
||||
formatter_add_simple (struct formatter *self, enum formatter_item_type type)
|
||||
{
|
||||
if (!self->ignore_new_attributes)
|
||||
formatter_add_blank (self)->type = type;
|
||||
}
|
||||
|
||||
static const char *
|
||||
formatter_parse_mirc_color (struct formatter *self, const char *s)
|
||||
{
|
||||
@ -1904,7 +1869,7 @@ formatter_parse_mirc_color (struct formatter *self, const char *s)
|
||||
if (isdigit_ascii (*s))
|
||||
fg = fg * 10 + (*s++ - '0');
|
||||
if (fg >= 0 && fg < 16)
|
||||
formatter_add_fg_color (self, g_mirc_to_term[fg]);
|
||||
FORMATTER_ADD_ITEM (self, FG_COLOR, .color = g_mirc_to_terminal[fg]);
|
||||
|
||||
if (*s != ',' || !isdigit_ascii (s[1]))
|
||||
return s;
|
||||
@ -1913,7 +1878,7 @@ formatter_parse_mirc_color (struct formatter *self, const char *s)
|
||||
if (isdigit_ascii (s[1]))
|
||||
bg = bg * 10 + (*++s - '0');
|
||||
if (bg >= 0 && bg < 16)
|
||||
formatter_add_bg_color (self, g_mirc_to_term[bg]);
|
||||
FORMATTER_ADD_ITEM (self, BG_COLOR, .color = g_mirc_to_terminal[bg]);
|
||||
|
||||
return s;
|
||||
}
|
||||
@ -1924,33 +1889,29 @@ formatter_parse_mirc (struct formatter *self, const char *s)
|
||||
struct str buf;
|
||||
str_init (&buf);
|
||||
|
||||
formatter_add_reset (self);
|
||||
FORMATTER_ADD_RESET (self);
|
||||
|
||||
char c;
|
||||
while ((c = *s++))
|
||||
{
|
||||
if (buf.len && c < 0x20)
|
||||
{
|
||||
formatter_add_text (self, buf.str);
|
||||
FORMATTER_ADD_TEXT (self, buf.str);
|
||||
str_reset (&buf);
|
||||
}
|
||||
|
||||
#define SIMPLE(type) formatter_add_simple (self, FORMATTER_ITEM_ ## type)
|
||||
|
||||
switch (c)
|
||||
{
|
||||
case '\x02': SIMPLE (BOLD); break;
|
||||
case '\x1d': SIMPLE (ITALIC); break;
|
||||
case '\x1f': SIMPLE (UNDERLINE); break;
|
||||
case '\x16': SIMPLE (INVERSE); break;
|
||||
|
||||
#undef SIMPLE
|
||||
case '\x02': FORMATTER_ADD_SIMPLE (self, BOLD); break;
|
||||
case '\x1d': FORMATTER_ADD_SIMPLE (self, ITALIC); break;
|
||||
case '\x1f': FORMATTER_ADD_SIMPLE (self, UNDERLINE); break;
|
||||
case '\x16': FORMATTER_ADD_SIMPLE (self, INVERSE); break;
|
||||
|
||||
case '\x03':
|
||||
s = formatter_parse_mirc_color (self, s);
|
||||
break;
|
||||
case '\x0f':
|
||||
formatter_add_reset (self);
|
||||
FORMATTER_ADD_RESET (self);
|
||||
break;
|
||||
default:
|
||||
str_append_c (&buf, c);
|
||||
@ -1958,10 +1919,10 @@ formatter_parse_mirc (struct formatter *self, const char *s)
|
||||
}
|
||||
|
||||
if (buf.len)
|
||||
formatter_add_text (self, buf.str);
|
||||
FORMATTER_ADD_TEXT (self, buf.str);
|
||||
|
||||
str_free (&buf);
|
||||
formatter_add_reset (self);
|
||||
FORMATTER_ADD_RESET (self);
|
||||
}
|
||||
|
||||
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
|
||||
@ -1994,22 +1955,21 @@ restart:
|
||||
str_append (buf, s);
|
||||
free (s);
|
||||
break;
|
||||
|
||||
case 'm':
|
||||
formatter_parse_mirc (self, va_arg (*ap, char *));
|
||||
formatter_parse_mirc (self, va_arg (*ap, char *));
|
||||
break;
|
||||
|
||||
case 'a':
|
||||
formatter_add_attr (self, va_arg (*ap, int));
|
||||
FORMATTER_ADD_ITEM (self, ATTR, .attribute = va_arg (*ap, int));
|
||||
break;
|
||||
case 'c':
|
||||
formatter_add_fg_color (self, va_arg (*ap, int));
|
||||
FORMATTER_ADD_ITEM (self, FG_COLOR, .color = va_arg (*ap, int));
|
||||
break;
|
||||
case 'C':
|
||||
formatter_add_bg_color (self, va_arg (*ap, int));
|
||||
FORMATTER_ADD_ITEM (self, BG_COLOR, .color = va_arg (*ap, int));
|
||||
break;
|
||||
case 'r':
|
||||
formatter_add_reset (self);
|
||||
FORMATTER_ADD_RESET (self);
|
||||
break;
|
||||
|
||||
default:
|
||||
@ -2044,7 +2004,7 @@ formatter_add (struct formatter *self, const char *format, ...)
|
||||
}
|
||||
if (buf.len)
|
||||
{
|
||||
formatter_add_text (self, buf.str);
|
||||
FORMATTER_ADD_TEXT (self, buf.str);
|
||||
str_reset (&buf);
|
||||
}
|
||||
|
||||
@ -2052,7 +2012,7 @@ formatter_add (struct formatter *self, const char *format, ...)
|
||||
}
|
||||
|
||||
if (buf.len)
|
||||
formatter_add_text (self, buf.str);
|
||||
FORMATTER_ADD_TEXT (self, buf.str);
|
||||
|
||||
str_free (&buf);
|
||||
va_end (ap);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user