mirror of
https://github.com/tmux/tmux.git
synced 2024-12-14 19:18:48 +00:00
319 lines
8.4 KiB
C
319 lines
8.4 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
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* Copyright (c) 2014 Tiago Cunha <tcunha@users.sourceforge.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <ctype.h>
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#include <stdlib.h>
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#include <string.h>
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#include "tmux.h"
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/* Mask for bits not included in style. */
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#define STYLE_ATTR_MASK (~0)
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/* Default style. */
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static struct style style_default = {
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{ { { ' ' }, 0, 1, 1 }, 0, 0, 8, 8, 0 },
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0,
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8,
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STYLE_ALIGN_DEFAULT,
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STYLE_LIST_OFF,
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STYLE_RANGE_NONE, 0,
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STYLE_DEFAULT_BASE
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};
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/*
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* Parse an embedded style of the form "fg=colour,bg=colour,bright,...". Note
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* that this adds onto the given style, so it must have been initialized
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* already.
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*/
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int
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style_parse(struct style *sy, const struct grid_cell *base, const char *in)
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{
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struct style saved;
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const char delimiters[] = " ,", *cp;
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char tmp[256], *found;
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int value;
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size_t end;
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if (*in == '\0')
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return (0);
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style_copy(&saved, sy);
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log_debug("%s: %s", __func__, in);
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do {
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while (*in != '\0' && strchr(delimiters, *in) != NULL)
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in++;
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if (*in == '\0')
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break;
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end = strcspn(in, delimiters);
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if (end > (sizeof tmp) - 1)
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goto error;
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memcpy(tmp, in, end);
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tmp[end] = '\0';
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log_debug("%s: %s", __func__, tmp);
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if (strcasecmp(tmp, "default") == 0) {
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sy->gc.fg = base->fg;
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sy->gc.bg = base->bg;
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sy->gc.attr = base->attr;
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sy->gc.flags = base->flags;
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} else if (strcasecmp(tmp, "ignore") == 0)
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sy->ignore = 1;
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else if (strcasecmp(tmp, "noignore") == 0)
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sy->ignore = 0;
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else if (strcasecmp(tmp, "push-default") == 0)
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sy->default_type = STYLE_DEFAULT_PUSH;
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else if (strcasecmp(tmp, "pop-default") == 0)
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sy->default_type = STYLE_DEFAULT_POP;
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else if (strcasecmp(tmp, "nolist") == 0)
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sy->list = STYLE_LIST_OFF;
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else if (strncasecmp(tmp, "list=", 5) == 0) {
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if (strcasecmp(tmp + 5, "on") == 0)
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sy->list = STYLE_LIST_ON;
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else if (strcasecmp(tmp + 5, "focus") == 0)
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sy->list = STYLE_LIST_FOCUS;
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else if (strcasecmp(tmp + 5, "left-marker") == 0)
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sy->list = STYLE_LIST_LEFT_MARKER;
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else if (strcasecmp(tmp + 5, "right-marker") == 0)
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sy->list = STYLE_LIST_RIGHT_MARKER;
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else
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goto error;
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} else if (strcasecmp(tmp, "norange") == 0) {
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sy->range_type = style_default.range_type;
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sy->range_argument = style_default.range_type;
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} else if (end > 6 && strncasecmp(tmp, "range=", 6) == 0) {
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found = strchr(tmp + 6, '|');
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if (found != NULL) {
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*found++ = '\0';
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if (*found == '\0')
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goto error;
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for (cp = found; *cp != '\0'; cp++) {
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if (!isdigit((u_char)*cp))
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goto error;
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}
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}
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if (strcasecmp(tmp + 6, "left") == 0) {
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if (found != NULL)
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goto error;
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sy->range_type = STYLE_RANGE_LEFT;
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sy->range_argument = 0;
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} else if (strcasecmp(tmp + 6, "right") == 0) {
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if (found != NULL)
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goto error;
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sy->range_type = STYLE_RANGE_RIGHT;
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sy->range_argument = 0;
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} else if (strcasecmp(tmp + 6, "window") == 0) {
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if (found == NULL)
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goto error;
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sy->range_type = STYLE_RANGE_WINDOW;
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sy->range_argument = atoi(found);
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}
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} else if (strcasecmp(tmp, "noalign") == 0)
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sy->align = style_default.align;
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else if (end > 6 && strncasecmp(tmp, "align=", 6) == 0) {
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if (strcasecmp(tmp + 6, "left") == 0)
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sy->align = STYLE_ALIGN_LEFT;
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else if (strcasecmp(tmp + 6, "centre") == 0)
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sy->align = STYLE_ALIGN_CENTRE;
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else if (strcasecmp(tmp + 6, "right") == 0)
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sy->align = STYLE_ALIGN_RIGHT;
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else if (strcasecmp(tmp + 6, "absolute-centre") == 0)
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sy->align = STYLE_ALIGN_ABSOLUTE_CENTRE;
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else
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goto error;
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} else if (end > 5 && strncasecmp(tmp, "fill=", 5) == 0) {
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if ((value = colour_fromstring(tmp + 5)) == -1)
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goto error;
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sy->fill = value;
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} else if (end > 3 && strncasecmp(tmp + 1, "g=", 2) == 0) {
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if ((value = colour_fromstring(tmp + 3)) == -1)
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goto error;
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if (*in == 'f' || *in == 'F') {
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if (value != 8)
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sy->gc.fg = value;
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else
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sy->gc.fg = base->fg;
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} else if (*in == 'b' || *in == 'B') {
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if (value != 8)
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sy->gc.bg = value;
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else
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sy->gc.bg = base->bg;
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} else
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goto error;
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} else if (strcasecmp(tmp, "none") == 0)
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sy->gc.attr = 0;
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else if (end > 2 && strncasecmp(tmp, "no", 2) == 0) {
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if ((value = attributes_fromstring(tmp + 2)) == -1)
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goto error;
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sy->gc.attr &= ~value;
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} else {
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if ((value = attributes_fromstring(tmp)) == -1)
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goto error;
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sy->gc.attr |= value;
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}
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in += end + strspn(in + end, delimiters);
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} while (*in != '\0');
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return (0);
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error:
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style_copy(sy, &saved);
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return (-1);
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}
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/* Convert style to a string. */
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const char *
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style_tostring(struct style *sy)
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{
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struct grid_cell *gc = &sy->gc;
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int off = 0;
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const char *comma = "", *tmp = "";
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static char s[256];
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char b[16];
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*s = '\0';
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if (sy->list != STYLE_LIST_OFF) {
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if (sy->list == STYLE_LIST_ON)
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tmp = "on";
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else if (sy->list == STYLE_LIST_FOCUS)
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tmp = "focus";
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else if (sy->list == STYLE_LIST_LEFT_MARKER)
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tmp = "left-marker";
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else if (sy->list == STYLE_LIST_RIGHT_MARKER)
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tmp = "right-marker";
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off += xsnprintf(s + off, sizeof s - off, "%slist=%s", comma,
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tmp);
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comma = ",";
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}
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if (sy->range_type != STYLE_RANGE_NONE) {
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if (sy->range_type == STYLE_RANGE_LEFT)
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tmp = "left";
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else if (sy->range_type == STYLE_RANGE_RIGHT)
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tmp = "right";
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else if (sy->range_type == STYLE_RANGE_WINDOW) {
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snprintf(b, sizeof b, "window|%u", sy->range_argument);
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tmp = b;
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}
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off += xsnprintf(s + off, sizeof s - off, "%srange=%s", comma,
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tmp);
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comma = ",";
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}
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if (sy->align != STYLE_ALIGN_DEFAULT) {
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if (sy->align == STYLE_ALIGN_LEFT)
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tmp = "left";
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else if (sy->align == STYLE_ALIGN_CENTRE)
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tmp = "centre";
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else if (sy->align == STYLE_ALIGN_RIGHT)
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tmp = "right";
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else if (sy->align == STYLE_ALIGN_ABSOLUTE_CENTRE)
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tmp = "absolute-centre";
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off += xsnprintf(s + off, sizeof s - off, "%salign=%s", comma,
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tmp);
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comma = ",";
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}
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if (sy->default_type != STYLE_DEFAULT_BASE) {
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if (sy->default_type == STYLE_DEFAULT_PUSH)
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tmp = "push-default";
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else if (sy->default_type == STYLE_DEFAULT_POP)
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tmp = "pop-default";
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off += xsnprintf(s + off, sizeof s - off, "%s%s", comma, tmp);
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comma = ",";
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}
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if (sy->fill != 8) {
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off += xsnprintf(s + off, sizeof s - off, "%sfill=%s", comma,
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colour_tostring(sy->fill));
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comma = ",";
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}
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if (gc->fg != 8) {
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off += xsnprintf(s + off, sizeof s - off, "%sfg=%s", comma,
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colour_tostring(gc->fg));
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comma = ",";
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}
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if (gc->bg != 8) {
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off += xsnprintf(s + off, sizeof s - off, "%sbg=%s", comma,
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colour_tostring(gc->bg));
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comma = ",";
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}
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if (gc->attr != 0) {
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xsnprintf(s + off, sizeof s - off, "%s%s", comma,
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attributes_tostring(gc->attr));
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comma = ",";
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}
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if (*s == '\0')
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return ("default");
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return (s);
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}
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/* Apply a style on top of the given style. */
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void
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style_add(struct grid_cell *gc, struct options *oo, const char *name,
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struct format_tree *ft)
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{
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struct style *sy;
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struct format_tree *ft0 = NULL;
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if (ft == NULL)
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ft = ft0 = format_create(NULL, NULL, 0, FORMAT_NOJOBS);
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sy = options_string_to_style(oo, name, ft);
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if (sy == NULL)
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sy = &style_default;
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if (sy->gc.fg != 8)
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gc->fg = sy->gc.fg;
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if (sy->gc.bg != 8)
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gc->bg = sy->gc.bg;
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gc->attr |= sy->gc.attr;
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if (ft0 != NULL)
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format_free(ft0);
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}
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/* Apply a style on top of the default style. */
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void
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style_apply(struct grid_cell *gc, struct options *oo, const char *name,
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struct format_tree *ft)
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{
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memcpy(gc, &grid_default_cell, sizeof *gc);
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style_add(gc, oo, name, ft);
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}
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/* Initialize style from cell. */
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void
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style_set(struct style *sy, const struct grid_cell *gc)
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{
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memcpy(sy, &style_default, sizeof *sy);
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memcpy(&sy->gc, gc, sizeof sy->gc);
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}
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/* Copy style. */
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void
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style_copy(struct style *dst, struct style *src)
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{
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memcpy(dst, src, sizeof *dst);
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}
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