/
color.c
1112 lines (939 loc) · 24.8 KB
/
color.c
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/*
* Copyright (C) 1996-2002,2012 Michael R. Elkins <me@mutt.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#if HAVE_CONFIG_H
# include "config.h"
#endif
#include "mutt.h"
#include "mutt_curses.h"
#include "mutt_menu.h"
#include "mapping.h"
#include "color.h"
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
/* globals */
COLOR_ATTR *ColorQuote;
int ColorQuoteUsed;
COLOR_ATTR ColorDefs[MT_COLOR_MAX];
COLOR_LINE *ColorHdrList = NULL;
COLOR_LINE *ColorBodyList = NULL;
COLOR_LINE *ColorIndexList = NULL;
/* local to this file */
static int ColorQuoteSize;
#if defined(HAVE_COLOR) && defined(HAVE_USE_DEFAULT_COLORS)
static int HaveDefaultColors = 0;
static int DefaultColorsInit = 0;
#endif
#define COLOR_UNSET (-2)
#ifdef HAVE_COLOR
#define COLOR_DEFAULT (-1)
typedef struct color_list
{
short fg;
short bg;
short pair;
short count;
unsigned int ansi : 1;
unsigned int overlay : 1;
struct color_list *next;
} COLOR_LIST;
/* color type for mutt_alloc_color() */
#define MUTT_COLOR_TYPE_NORMAL 1
#define MUTT_COLOR_TYPE_ANSI 2
#define MUTT_COLOR_TYPE_OVERLAY 3
static COLOR_LIST *ColorList = NULL;
static int UserColors = 0;
static int AnsiColors = 0;
static const struct mapping_t Colors[] =
{
{ "black", COLOR_BLACK },
{ "blue", COLOR_BLUE },
{ "cyan", COLOR_CYAN },
{ "green", COLOR_GREEN },
{ "magenta", COLOR_MAGENTA },
{ "red", COLOR_RED },
{ "white", COLOR_WHITE },
{ "yellow", COLOR_YELLOW },
#if defined (USE_SLANG_CURSES) || defined (HAVE_USE_DEFAULT_COLORS)
{ "default", COLOR_DEFAULT },
#endif
{ 0, 0 }
};
#endif /* HAVE_COLOR */
static const struct mapping_t Fields[] =
{
{ "hdrdefault", MT_COLOR_HDEFAULT },
{ "quoted", MT_COLOR_QUOTED },
{ "signature", MT_COLOR_SIGNATURE },
{ "indicator", MT_COLOR_INDICATOR },
{ "status", MT_COLOR_STATUS },
{ "tree", MT_COLOR_TREE },
{ "error", MT_COLOR_ERROR },
{ "normal", MT_COLOR_NORMAL },
{ "tilde", MT_COLOR_TILDE },
{ "markers", MT_COLOR_MARKERS },
{ "header", MT_COLOR_HEADER },
{ "body", MT_COLOR_BODY },
{ "message", MT_COLOR_MESSAGE },
{ "attachment", MT_COLOR_ATTACHMENT },
{ "search", MT_COLOR_SEARCH },
{ "bold", MT_COLOR_BOLD },
{ "underline", MT_COLOR_UNDERLINE },
{ "index", MT_COLOR_INDEX },
{ "prompt", MT_COLOR_PROMPT },
#ifdef USE_SIDEBAR
{ "sidebar_divider", MT_COLOR_DIVIDER },
{ "sidebar_flagged", MT_COLOR_FLAGGED },
{ "sidebar_highlight",MT_COLOR_HIGHLIGHT },
{ "sidebar_indicator",MT_COLOR_SB_INDICATOR },
{ "sidebar_new", MT_COLOR_NEW },
{ "sidebar_spoolfile",MT_COLOR_SB_SPOOLFILE },
#endif
{ NULL, 0 }
};
static const struct mapping_t ComposeFields[] =
{
{ "header", MT_COLOR_COMPOSE_HEADER },
{ "security_encrypt", MT_COLOR_COMPOSE_SECURITY_ENCRYPT },
{ "security_sign", MT_COLOR_COMPOSE_SECURITY_SIGN },
{ "security_both", MT_COLOR_COMPOSE_SECURITY_BOTH },
{ "security_none", MT_COLOR_COMPOSE_SECURITY_NONE },
{ NULL, 0 }
};
#define COLOR_QUOTE_INIT 8
#ifdef NCURSES_VERSION
#define ATTR_MASK (A_ATTRIBUTES ^ A_COLOR)
#elif defined (USE_SLANG_CURSES)
#define ATTR_MASK (~(unsigned int)A_NORMAL ^ (A_CHARTEXT | A_UNUSED | A_COLOR))
#endif
#ifdef HAVE_COLOR
static void mutt_free_color (int pair);
#endif
static COLOR_LINE *mutt_new_color_line (void)
{
COLOR_LINE *p = safe_calloc (1, sizeof (COLOR_LINE));
p->fg = p->bg = COLOR_UNSET;
return (p);
}
static void mutt_free_color_line(COLOR_LINE **l,
int free_colors)
{
COLOR_LINE *tmp;
if (!l || !*l)
return;
tmp = *l;
#ifdef HAVE_COLOR
if (free_colors && tmp->color.pair)
mutt_free_color (tmp->color.pair);
#endif
/* we should really introduce a container
* type for regular expressions.
*/
regfree(&tmp->rx);
mutt_pattern_free(&tmp->color_pattern);
FREE (&tmp->pattern);
FREE (l); /* __FREE_CHECKED__ */
}
#if defined(HAVE_COLOR) && defined(HAVE_USE_DEFAULT_COLORS)
static void init_default_colors (void)
{
DefaultColorsInit = 1;
if (use_default_colors () == OK)
HaveDefaultColors = 1;
}
#endif /* defined(HAVE_COLOR) && defined(HAVE_USE_DEFAULT_COLORS) */
void ci_start_color (void)
{
memset (ColorDefs, 0, sizeof (COLOR_ATTR) * MT_COLOR_MAX);
ColorQuote = (COLOR_ATTR *) safe_malloc (COLOR_QUOTE_INIT * sizeof (COLOR_ATTR));
memset (ColorQuote, 0, sizeof (COLOR_ATTR) * COLOR_QUOTE_INIT);
ColorQuoteSize = COLOR_QUOTE_INIT;
ColorQuoteUsed = 0;
/* set some defaults */
ColorDefs[MT_COLOR_STATUS].attrs = A_REVERSE;
ColorDefs[MT_COLOR_INDICATOR].attrs = A_REVERSE;
ColorDefs[MT_COLOR_SEARCH].attrs = A_REVERSE;
ColorDefs[MT_COLOR_MARKERS].attrs = A_REVERSE;
#ifdef USE_SIDEBAR
ColorDefs[MT_COLOR_HIGHLIGHT].attrs = A_UNDERLINE;
#endif
/* special meaning: toggle the relevant attribute */
ColorDefs[MT_COLOR_BOLD].attrs = 0;
ColorDefs[MT_COLOR_UNDERLINE].attrs = 0;
#ifdef HAVE_COLOR
start_color ();
#endif
}
#ifdef HAVE_COLOR
#ifdef USE_SLANG_CURSES
static char *get_color_name (char *dest, size_t destlen, int val)
{
static const char * const missing[3] = {"brown", "lightgray", "default"};
int i;
switch (val)
{
case COLOR_YELLOW:
strfcpy (dest, missing[0], destlen);
return dest;
case COLOR_WHITE:
strfcpy (dest, missing[1], destlen);
return dest;
case COLOR_DEFAULT:
strfcpy (dest, missing[2], destlen);
return dest;
}
for (i = 0; Colors[i].name; i++)
{
if (Colors[i].value == val)
{
strfcpy (dest, Colors[i].name, destlen);
return dest;
}
}
/* Sigh. If we got this far, the color is of the form 'colorN'
* Slang can handle this itself, so just return 'colorN'
*/
snprintf (dest, destlen, "color%d", val);
return dest;
}
#endif
static COLOR_LIST *find_color_list_entry_by_pair (int pair)
{
COLOR_LIST *p = ColorList;
while (p)
{
if (p->pair == pair)
return p;
if (p->pair > pair)
return NULL;
p = p->next;
}
return NULL;
}
#endif /* HAVE_COLOR */
COLOR_ATTR mutt_merge_colors (COLOR_ATTR source, COLOR_ATTR overlay)
{
#ifdef HAVE_COLOR
COLOR_LIST *source_color_entry, *overlay_color_entry;
int merged_fg, merged_bg;
#endif
COLOR_ATTR merged = {0};
#ifdef HAVE_COLOR
merged.pair = overlay.pair;
overlay_color_entry = find_color_list_entry_by_pair (overlay.pair);
if (overlay_color_entry &&
(overlay_color_entry->fg < 0 || overlay_color_entry->bg < 0))
{
source_color_entry = find_color_list_entry_by_pair (source.pair);
if (source_color_entry)
{
merged_fg = overlay_color_entry->fg < 0 ?
source_color_entry->fg :
overlay_color_entry->fg;
merged_bg = overlay_color_entry->bg < 0 ?
source_color_entry->bg :
overlay_color_entry->bg;
merged.pair = mutt_alloc_overlay_color (merged_fg, merged_bg);
}
}
#endif /* HAVE_COLOR */
merged.attrs = source.attrs | overlay.attrs;
return merged;
}
void mutt_attrset_cursor (COLOR_ATTR source, COLOR_ATTR cursor)
{
COLOR_ATTR merged = cursor;
if (option (OPTCURSOROVERLAY))
merged = mutt_merge_colors (source, cursor);
ATTRSET (merged);
}
#ifdef HAVE_COLOR
static int _mutt_alloc_color (int fg, int bg, int type)
{
COLOR_LIST *p, **last;
int pair;
#if defined (USE_SLANG_CURSES)
char fgc[SHORT_STRING], bgc[SHORT_STRING];
#endif
/* Check to see if this color is already allocated to save space.
*
* At the same time, find the lowest available index, and location
* in the list to store a new entry. The ColorList is sorted by
* pair. "last" points to &(previousentry->next), giving us the
* slot to store it in.
*/
pair = 1;
last = &ColorList;
p = *last;
while (p)
{
if (p->fg == fg && p->bg == bg)
{
if (type == MUTT_COLOR_TYPE_ANSI)
{
if (!p->ansi)
{
p->ansi = 1;
AnsiColors++;
}
}
else if (type == MUTT_COLOR_TYPE_OVERLAY)
p->overlay = 1;
else
(p->count)++;
return p->pair;
}
if (p->pair <= pair)
{
last = &p->next;
pair = p->pair + 1;
}
p = p->next;
}
/* check to see if there are colors left.
* note: pair 0 is reserved for "default" so we actually only have access
* to COLOR_PAIRS-1 pairs. */
if (UserColors >= (COLOR_PAIRS - 1))
return (0);
/* Check for pair overflow too. We are currently using init_pair(), which
* only accepts size short. */
if ((pair > SHRT_MAX) || (pair < 0))
return (0);
UserColors++;
p = (COLOR_LIST *) safe_calloc (1, sizeof (COLOR_LIST));
p->next = *last;
*last = p;
p->pair = pair;
p->bg = bg;
p->fg = fg;
if (type == MUTT_COLOR_TYPE_ANSI)
{
p->ansi = 1;
AnsiColors++;
}
else if (type == MUTT_COLOR_TYPE_OVERLAY)
p->overlay = 1;
else
p->count = 1;
#if defined (USE_SLANG_CURSES)
if (fg == COLOR_DEFAULT || bg == COLOR_DEFAULT)
{
SLtt_set_color (pair, NULL,
get_color_name (fgc, sizeof (fgc), fg),
get_color_name (bgc, sizeof (bgc), bg));
}
else
#endif
/* NOTE: this may be the "else" clause of the SLANG #if block above. */
{
init_pair (p->pair, fg, bg);
}
dprint (3, (debugfile,"mutt_alloc_color(): Color pairs used so far: %d\n",
UserColors));
return p->pair;
}
int mutt_alloc_color (int fg, int bg)
{
return _mutt_alloc_color (fg, bg, MUTT_COLOR_TYPE_NORMAL);
}
int mutt_alloc_ansi_color (int fg, int bg)
{
if (fg == COLOR_DEFAULT || bg == COLOR_DEFAULT)
{
#if defined (HAVE_USE_DEFAULT_COLORS)
if (!DefaultColorsInit)
init_default_colors ();
if (!HaveDefaultColors)
return 0;
#elif !defined (USE_SLANG_CURSES)
return 0;
#endif
}
return _mutt_alloc_color (fg, bg, MUTT_COLOR_TYPE_ANSI);
}
int mutt_alloc_overlay_color (int fg, int bg)
{
return _mutt_alloc_color (fg, bg, MUTT_COLOR_TYPE_OVERLAY);
}
/* This is used to delete NORMAL type colors only.
* Overlay colors are currently allowed to accumulate.
* Ansi colors are deleted all at once, upon exiting the pager.
*/
static void mutt_free_color (int pair)
{
COLOR_LIST *p, **last;
last = &ColorList;
p = *last;
while (p)
{
if (p->pair == pair)
{
(p->count)--;
if (p->count > 0 || p->ansi || p->overlay)
return;
UserColors--;
dprint(1,(debugfile,"mutt_free_color(): Color pairs used so far: %d\n",
UserColors));
*last = p->next;
FREE (&p);
return;
}
if (p->pair > pair)
return;
last = &p->next;
p = *last;
}
}
void mutt_free_all_ansi_colors (void)
{
COLOR_LIST *p, **last;
last = &ColorList;
p = *last;
while (p && AnsiColors > 0)
{
if (p->ansi)
{
p->ansi = 0;
AnsiColors--;
if (!p->count && !p->overlay)
{
UserColors--;
*last = p->next;
FREE (&p);
p = *last;
continue;
}
}
last = &p->next;
p = *last;
}
}
#endif /* HAVE_COLOR */
#ifdef HAVE_COLOR
static int
parse_color_name (const char *s, int *col, int *attr, int is_fg, BUFFER *err)
{
char *eptr;
int is_bright = 0, is_light = 0;
if (ascii_strncasecmp (s, "bright", 6) == 0)
{
is_bright = 1;
s += 6;
}
else if (ascii_strncasecmp (s, "light", 5) == 0)
{
is_light = 1;
s += 5;
}
/* allow aliases for xterm color resources */
if (ascii_strncasecmp (s, "color", 5) == 0)
{
s += 5;
*col = strtol (s, &eptr, 10);
if (!*s || *eptr || *col < 0 ||
(*col >= COLORS && !option(OPTNOCURSES) && has_colors()))
{
snprintf (err->data, err->dsize, _("%s: color not supported by term"), s);
return (-1);
}
}
else
{
/* Note: mutt_getvaluebyname() returns -1 for "not found".
* Since COLOR_DEFAULT is -1, we need to use this function instead. */
const struct mapping_t *entry = mutt_get_mapentry_by_name (s, Colors);
if (!entry)
{
snprintf (err->data, err->dsize, _("%s: no such color"), s);
return (-1);
}
*col = entry->value;
}
if (is_bright || is_light)
{
if (is_fg)
{
if ((COLORS >= 16) && is_light)
{
if (*col >= 0 && *col <= 7)
{
/* Advance the color 0-7 by 8 to get the light version */
*col += 8;
}
}
else
{
*attr |= A_BOLD;
}
}
else
{
if (COLORS >= 16)
{
if (*col >= 0 && *col <= 7)
{
/* Advance the color 0-7 by 8 to get the light version */
*col += 8;
}
}
}
}
return 0;
}
#endif
/* usage: uncolor index pattern [pattern...]
* unmono index pattern [pattern...]
*/
static int
_mutt_parse_uncolor (BUFFER *buf, BUFFER *s, BUFFER *err, short parse_uncolor);
#ifdef HAVE_COLOR
int mutt_parse_uncolor (BUFFER *buf, BUFFER *s, union pointer_long_t udata,
BUFFER *err)
{
return _mutt_parse_uncolor(buf, s, err, 1);
}
#endif
int mutt_parse_unmono (BUFFER *buf, BUFFER *s, union pointer_long_t udata,
BUFFER *err)
{
return _mutt_parse_uncolor(buf, s, err, 0);
}
static int _mutt_parse_uncolor (BUFFER *buf, BUFFER *s, BUFFER *err, short parse_uncolor)
{
int object = 0, is_index = 0, do_cache = 0;
COLOR_LINE *tmp, *last = NULL;
COLOR_LINE **list;
mutt_extract_token (buf, s, 0);
if ((object = mutt_getvaluebyname (buf->data, Fields)) == -1)
{
snprintf (err->data, err->dsize, _("%s: no such object"), buf->data);
return (-1);
}
if (object == MT_COLOR_INDEX)
{
is_index = 1;
list = &ColorIndexList;
}
else if (object == MT_COLOR_BODY)
list = &ColorBodyList;
else if (object == MT_COLOR_HEADER)
list = &ColorHdrList;
else
{
snprintf (err->data, err->dsize,
_("%s: command valid only for index, body, header objects"),
parse_uncolor ? "uncolor" : "unmono");
return (-1);
}
if (!MoreArgs (s))
{
snprintf (err->data, err->dsize,
_("%s: too few arguments"), parse_uncolor ? "uncolor" : "unmono");
return (-1);
}
if (
#ifdef HAVE_COLOR
/* we're running without curses */
option (OPTNOCURSES)
|| /* we're parsing an uncolor command, and have no colors */
(parse_uncolor && !has_colors())
/* we're parsing an unmono command, and have colors */
|| (!parse_uncolor && has_colors())
#else
/* We don't even have colors compiled in */
parse_uncolor
#endif
)
{
/* just eat the command, but don't do anything real about it */
do
mutt_extract_token (buf, s, 0);
while (MoreArgs (s));
return 0;
}
do
{
mutt_extract_token (buf, s, 0);
if (!mutt_strcmp ("*", buf->data))
{
for (tmp = *list; tmp; )
{
if (!do_cache)
do_cache = 1;
last = tmp;
tmp = tmp->next;
mutt_free_color_line(&last, parse_uncolor);
}
*list = NULL;
}
else
{
for (last = NULL, tmp = *list; tmp; last = tmp, tmp = tmp->next)
{
if (!mutt_strcmp (buf->data, tmp->pattern))
{
if (!do_cache)
do_cache = 1;
dprint(1,(debugfile,"Freeing pattern \"%s\" from color list\n",
tmp->pattern));
if (last)
last->next = tmp->next;
else
*list = tmp->next;
mutt_free_color_line(&tmp, parse_uncolor);
break;
}
}
}
}
while (MoreArgs (s));
if (is_index && do_cache && !option (OPTNOCURSES))
{
int i;
mutt_set_menu_redraw_full (MENU_MAIN);
/* force re-caching of index colors */
for (i = 0; Context && i < Context->msgcount; i++)
{
Context->hdrs[i]->color.pair = 0;
Context->hdrs[i]->color.attrs = 0;
}
}
return (0);
}
static int
add_pattern (COLOR_LINE **top, const char *s, int sensitive,
int fg, int bg, int attr, BUFFER *err,
int is_index)
{
/* is_index used to store compiled pattern
* only for `index' color object
* when called from mutt_parse_color() */
COLOR_LINE *tmp = *top;
while (tmp)
{
if (sensitive)
{
if (mutt_strcmp (s, tmp->pattern) == 0)
break;
}
else
{
if (mutt_strcasecmp (s, tmp->pattern) == 0)
break;
}
tmp = tmp->next;
}
if (tmp)
{
#ifdef HAVE_COLOR
if (fg != COLOR_UNSET && bg != COLOR_UNSET)
{
if (tmp->fg != fg || tmp->bg != bg)
{
mutt_free_color (tmp->color.pair);
tmp->fg = fg;
tmp->bg = bg;
tmp->color.pair = mutt_alloc_color (fg, bg);
}
else
attr |= (tmp->color.attrs & ~A_BOLD);
}
#endif /* HAVE_COLOR */
tmp->color.attrs = attr;
}
else
{
int r;
BUFFER *buf = NULL;
tmp = mutt_new_color_line ();
if (is_index)
{
buf = mutt_buffer_pool_get ();
mutt_buffer_strcpy(buf, NONULL(s));
mutt_check_simple (buf, NONULL(SimpleSearch));
tmp->color_pattern = mutt_pattern_comp (buf->data, MUTT_FULL_MSG, err);
mutt_buffer_pool_release (&buf);
if (tmp->color_pattern == NULL)
{
mutt_free_color_line(&tmp, 1);
return -1;
}
}
else if ((r = REGCOMP (&tmp->rx, s, (sensitive ? mutt_which_case (s) : REG_ICASE))) != 0)
{
regerror (r, &tmp->rx, err->data, err->dsize);
mutt_free_color_line(&tmp, 1);
return (-1);
}
tmp->next = *top;
tmp->pattern = safe_strdup (s);
#ifdef HAVE_COLOR
if (fg != COLOR_UNSET && bg != COLOR_UNSET)
{
tmp->fg = fg;
tmp->bg = bg;
tmp->color.pair = mutt_alloc_color (fg, bg);
}
#endif
tmp->color.attrs = attr;
*top = tmp;
}
/* force re-caching of index colors */
if (is_index)
{
int i;
for (i = 0; Context && i < Context->msgcount; i++)
{
Context->hdrs[i]->color.pair = 0;
Context->hdrs[i]->color.attrs = 0;
}
}
return 0;
}
static int
parse_object(BUFFER *buf, BUFFER *s, int *o, int *ql, BUFFER *err)
{
int q_level = 0;
char *eptr;
if (!MoreArgs(s))
{
strfcpy(err->data, _("Missing arguments."), err->dsize);
return -1;
}
mutt_extract_token(buf, s, 0);
if (!ascii_strncasecmp(buf->data, "quoted", 6))
{
if (buf->data[6])
{
*ql = strtol(buf->data + 6, &eptr, 10);
if (*eptr || q_level < 0)
{
snprintf(err->data, err->dsize, _("%s: no such object"), buf->data);
return -1;
}
}
else
*ql = 0;
*o = MT_COLOR_QUOTED;
}
else if (!ascii_strcasecmp(buf->data, "compose"))
{
if (!MoreArgs(s))
{
strfcpy(err->data, _("Missing arguments."), err->dsize);
return -1;
}
mutt_extract_token(buf, s, 0);
if ((*o = mutt_getvaluebyname (buf->data, ComposeFields)) == -1)
{
snprintf (err->data, err->dsize, _("%s: no such object"), buf->data);
return (-1);
}
}
else if ((*o = mutt_getvaluebyname (buf->data, Fields)) == -1)
{
snprintf (err->data, err->dsize, _("%s: no such object"), buf->data);
return (-1);
}
return 0;
}
typedef int (*parser_callback_t)(BUFFER *, BUFFER *, int *, int *, int *, BUFFER *);
#ifdef HAVE_COLOR
static int
parse_color_pair(BUFFER *buf, BUFFER *s, int *fg, int *bg, int *attr, BUFFER *err)
{
FOREVER
{
if (! MoreArgs (s))
{
strfcpy (err->data, _("color: too few arguments"), err->dsize);
return (-1);
}
mutt_extract_token (buf, s, 0);
if (ascii_strcasecmp ("bold", buf->data) == 0)
*attr |= A_BOLD;
else if (ascii_strcasecmp ("underline", buf->data) == 0)
*attr |= A_UNDERLINE;
else if (ascii_strcasecmp ("none", buf->data) == 0)
*attr = A_NORMAL;
else if (ascii_strcasecmp ("reverse", buf->data) == 0)
*attr |= A_REVERSE;
else if (ascii_strcasecmp ("standout", buf->data) == 0)
*attr |= A_STANDOUT;
else if (ascii_strcasecmp ("normal", buf->data) == 0)
*attr = A_NORMAL; /* needs use = instead of |= to clear other bits */
else
{
if (parse_color_name (buf->data, fg, attr, 1, err) != 0)
return (-1);
break;
}
}
if (! MoreArgs (s))
{
strfcpy (err->data, _("color: too few arguments"), err->dsize);
return (-1);
}
mutt_extract_token (buf, s, 0);
if (parse_color_name (buf->data, bg, attr, 0, err) != 0)
return (-1);
return 0;
}
#endif
static int
parse_attr_spec(BUFFER *buf, BUFFER *s, int *fg, int *bg, int *attr, BUFFER *err)
{
if (fg) *fg = COLOR_UNSET;
if (bg) *bg = COLOR_UNSET;
if (! MoreArgs (s))
{
strfcpy (err->data, _("mono: too few arguments"), err->dsize);
return (-1);
}
mutt_extract_token (buf, s, 0);
if (ascii_strcasecmp ("bold", buf->data) == 0)
*attr |= A_BOLD;
else if (ascii_strcasecmp ("underline", buf->data) == 0)
*attr |= A_UNDERLINE;
else if (ascii_strcasecmp ("none", buf->data) == 0)
*attr = A_NORMAL;
else if (ascii_strcasecmp ("reverse", buf->data) == 0)
*attr |= A_REVERSE;
else if (ascii_strcasecmp ("standout", buf->data) == 0)
*attr |= A_STANDOUT;
else if (ascii_strcasecmp ("normal", buf->data) == 0)
*attr = A_NORMAL; /* needs use = instead of |= to clear other bits */
else
{
snprintf (err->data, err->dsize, _("%s: no such attribute"), buf->data);
return (-1);
}
return 0;
}
static COLOR_ATTR fgbgattr_to_color (int fg, int bg, int attr)
{
COLOR_ATTR color_attr = {0};
#ifdef HAVE_COLOR
if (fg != COLOR_UNSET && bg != COLOR_UNSET)
color_attr.pair = mutt_alloc_color (fg, bg);
#endif
color_attr.attrs = attr;
return color_attr;
}
/* usage: color <object> <fg> <bg> [ <regexp> ]
* mono <object> <attr> [ <regexp> ]
*/
static int
_mutt_parse_color (BUFFER *buf, BUFFER *s, BUFFER *err,
parser_callback_t callback, short dry_run)
{
int object = 0, attr = 0, fg = 0, bg = 0, q_level = 0;
int r = 0;
if (parse_object(buf, s, &object, &q_level, err) == -1)