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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/tmux/style.c	Lines:	0	100	0.0 %
Date:	2016-12-06	Branches:	0	72	0.0 %


/* $OpenBSD: style.c,v 1.10 2016/07/15 00:42:56 nicm Exp $ */

/*
 * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
 * Copyright (c) 2014 Tiago Cunha <tcunha@users.sourceforge.net>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <sys/types.h>

#include <string.h>

#include "tmux.h"

/* Parse an embedded style of the form "fg=colour,bg=colour,bright,...". */
int
style_parse(const struct grid_cell *defgc, struct grid_cell *gc,
    const char *in)
{
	struct grid_cell	savedgc;
	const char		delimiters[] = " ,";
	char			tmp[32];
	int			val;
	size_t			end;
	int			fg, bg;
	u_char			attr, flags;

	if (*in == '\0')
		return (0);
	if (strchr(delimiters, in[strlen(in) - 1]) != NULL)
		return (-1);
	memcpy(&savedgc, gc, sizeof savedgc);

	fg = gc->fg;
	bg = gc->bg;
	attr = gc->attr;
	flags = gc->flags;
	do {
		end = strcspn(in, delimiters);
		if (end > (sizeof tmp) - 1)
			goto error;
		memcpy(tmp, in, end);
		tmp[end] = '\0';

		if (strcasecmp(tmp, "default") == 0) {
			fg = defgc->fg;
			bg = defgc->bg;
			attr = defgc->attr;
			flags = defgc->flags;
		} else if (end > 3 && strncasecmp(tmp + 1, "g=", 2) == 0) {
			if ((val = colour_fromstring(tmp + 3)) == -1)
				goto error;
			if (*in == 'f' || *in == 'F') {
				if (val != 8)
					fg = val;
				else
					fg = defgc->fg;
			} else if (*in == 'b' || *in == 'B') {
				if (val != 8)
					bg = val;
				else
					bg = defgc->bg;
			} else
				goto error;
		} else if (strcasecmp(tmp, "none") == 0)
			attr = 0;
		else if (end > 2 && strncasecmp(tmp, "no", 2) == 0) {
			if ((val = attributes_fromstring(tmp + 2)) == -1)
				goto error;
			attr &= ~val;
		} else {
			if ((val = attributes_fromstring(tmp)) == -1)
				goto error;
			attr |= val;
		}

		in += end + strspn(in + end, delimiters);
	} while (*in != '\0');
	gc->fg = fg;
	gc->bg = bg;
	gc->attr = attr;
	gc->flags = flags;

	return (0);

error:
	memcpy(gc, &savedgc, sizeof *gc);
	return (-1);
}

/* Convert style to a string. */
const char *
style_tostring(struct grid_cell *gc)
{
	int		 off = 0, comma = 0;
	static char	 s[256];

	*s = '\0';

	if (gc->fg != 8) {
		off += xsnprintf(s, sizeof s, "fg=%s", colour_tostring(gc->fg));
		comma = 1;
	}

	if (gc->bg != 8) {
		off += xsnprintf(s + off, sizeof s - off, "%sbg=%s",
		    comma ? "," : "", colour_tostring(gc->bg));
		comma = 1;
	}

	if (gc->attr != 0 && gc->attr != GRID_ATTR_CHARSET) {
		xsnprintf(s + off, sizeof s - off, "%s%s",
		    comma ? "," : "", attributes_tostring(gc->attr));
	}

	if (*s == '\0')
		return ("default");
	return (s);
}

/* Synchronize new -style option with the old one. */
void
style_update_new(struct options *oo, const char *name, const char *newname)
{
	int			 value;
	struct grid_cell	*gc;
	struct options_entry	*o;

	/* It's a colour or attribute, but with no -style equivalent. */
	if (newname == NULL)
		return;

	o = options_find1(oo, newname);
	if (o == NULL)
		o = options_set_style(oo, newname, "default", 0);
	gc = &o->style;

	o = options_find1(oo, name);
	if (o == NULL)
		o = options_set_number(oo, name, 8);
	value = o->num;

	if (strstr(name, "-bg") != NULL)
		gc->bg = value;
	else if (strstr(name, "-fg") != NULL)
		gc->fg = value;
	else if (strstr(name, "-attr") != NULL)
		gc->attr = value;
}

/* Synchronize all the old options with the new -style one. */
void
style_update_old(struct options *oo, const char *name, struct grid_cell *gc)
{
	char	newname[128];
	int	size;

	size = strrchr(name, '-') - name;

	xsnprintf(newname, sizeof newname, "%.*s-bg", size, name);
	options_set_number(oo, newname, gc->bg);

	xsnprintf(newname, sizeof newname, "%.*s-fg", size, name);
	options_set_number(oo, newname, gc->fg);

	xsnprintf(newname, sizeof newname, "%.*s-attr", size, name);
	options_set_number(oo, newname, gc->attr);
}

/* Apply a style. */
void
style_apply(struct grid_cell *gc, struct options *oo, const char *name)
{
	struct grid_cell	*gcp;

	memcpy(gc, &grid_default_cell, sizeof *gc);
	gcp = options_get_style(oo, name);
	gc->fg = gcp->fg;
	gc->bg = gcp->bg;
	gc->attr |= gcp->attr;
}

/* Apply a style, updating if default. */
void
style_apply_update(struct grid_cell *gc, struct options *oo, const char *name)
{
	struct grid_cell	*gcp;

	gcp = options_get_style(oo, name);
	if (gcp->fg != 8)
		gc->fg = gcp->fg;
	if (gcp->bg != 8)
		gc->bg = gcp->bg;
	if (gcp->attr != 0)
		gc->attr |= gcp->attr;
}

/* Check if two styles are the same. */
int
style_equal(const struct grid_cell *gc1, const struct grid_cell *gc2)
{
	return (gc1->fg == gc2->fg &&
	    gc1->bg == gc2->bg &&
	    (gc1->flags & ~GRID_FLAG_PADDING) ==
	    (gc2->flags & ~GRID_FLAG_PADDING) &&
	    (gc1->attr & ~GRID_ATTR_CHARSET) ==
	    (gc2->attr & ~GRID_ATTR_CHARSET));
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: style.c,v 1.10 2016/07/15 00:42:56 nicm Exp $ */
2
3			/*
4			* Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
5			* Copyright (c) 2014 Tiago Cunha <tcunha@users.sourceforge.net>
6			*
7			* Permission to use, copy, modify, and distribute this software for any
8			* purpose with or without fee is hereby granted, provided that the above
9			* copyright notice and this permission notice appear in all copies.
10			*
11			* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12			* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13			* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14			* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15			* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
16			* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
17			* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18			*/
19
20			#include <sys/types.h>
21
22			#include <string.h>
23
24			#include "tmux.h"
25
26			/* Parse an embedded style of the form "fg=colour,bg=colour,bright,...". */
27			int
28			style_parse(const struct grid_cell defgc, struct grid_cell gc,
29			const char *in)
30			{
31			struct grid_cell savedgc;
32			const char delimiters[] = " ,";
33			char tmp[32];
34			int val;
35			size_t end;
36			int fg, bg;
37			u_char attr, flags;
38
39			if (*in == '\0')
40			return (0);
41			if (strchr(delimiters, in[strlen(in) - 1]) != NULL)
42			return (-1);
43			memcpy(&savedgc, gc, sizeof savedgc);
44
45			fg = gc->fg;
46			bg = gc->bg;
47			attr = gc->attr;
48			flags = gc->flags;
49			do {
50			end = strcspn(in, delimiters);
51			if (end > (sizeof tmp) - 1)
52			goto error;
53			memcpy(tmp, in, end);
54			tmp[end] = '\0';
55
56			if (strcasecmp(tmp, "default") == 0) {
57			fg = defgc->fg;
58			bg = defgc->bg;
59			attr = defgc->attr;
60			flags = defgc->flags;
61			} else if (end > 3 && strncasecmp(tmp + 1, "g=", 2) == 0) {
62			if ((val = colour_fromstring(tmp + 3)) == -1)
63			goto error;
64			if (in == 'f' \|\| in == 'F') {
65			if (val != 8)
66			fg = val;
67			else
68			fg = defgc->fg;
69			} else if (in == 'b' \|\| in == 'B') {
70			if (val != 8)
71			bg = val;
72			else
73			bg = defgc->bg;
74			} else
75			goto error;
76			} else if (strcasecmp(tmp, "none") == 0)
77			attr = 0;
78			else if (end > 2 && strncasecmp(tmp, "no", 2) == 0) {
79			if ((val = attributes_fromstring(tmp + 2)) == -1)
80			goto error;
81			attr &= ~val;
82			} else {
83			if ((val = attributes_fromstring(tmp)) == -1)
84			goto error;
85			attr \|= val;
86			}
87
88			in += end + strspn(in + end, delimiters);
89			} while (*in != '\0');
90			gc->fg = fg;
91			gc->bg = bg;
92			gc->attr = attr;
93			gc->flags = flags;
94
95			return (0);
96
97			error:
98			memcpy(gc, &savedgc, sizeof *gc);
99			return (-1);
100			}
101
102			/* Convert style to a string. */
103			const char *
104			style_tostring(struct grid_cell *gc)
105			{
106			int off = 0, comma = 0;
107			static char s[256];
108
109			*s = '\0';
110
111			if (gc->fg != 8) {
112			off += xsnprintf(s, sizeof s, "fg=%s", colour_tostring(gc->fg));
113			comma = 1;
114			}
115
116			if (gc->bg != 8) {
117			off += xsnprintf(s + off, sizeof s - off, "%sbg=%s",
118			comma ? "," : "", colour_tostring(gc->bg));
119			comma = 1;
120			}
121
122			if (gc->attr != 0 && gc->attr != GRID_ATTR_CHARSET) {
123			xsnprintf(s + off, sizeof s - off, "%s%s",
124			comma ? "," : "", attributes_tostring(gc->attr));
125			}
126
127			if (*s == '\0')
128			return ("default");
129			return (s);
130			}
131
132			/* Synchronize new -style option with the old one. */
133			void
134			style_update_new(struct options oo, const char name, const char *newname)
135			{
136			int value;
137			struct grid_cell *gc;
138			struct options_entry *o;
139
140			/* It's a colour or attribute, but with no -style equivalent. */
141			if (newname == NULL)
142			return;
143
144			o = options_find1(oo, newname);
145			if (o == NULL)
146			o = options_set_style(oo, newname, "default", 0);
147			gc = &o->style;
148
149			o = options_find1(oo, name);
150			if (o == NULL)
151			o = options_set_number(oo, name, 8);
152			value = o->num;
153
154			if (strstr(name, "-bg") != NULL)
155			gc->bg = value;
156			else if (strstr(name, "-fg") != NULL)
157			gc->fg = value;
158			else if (strstr(name, "-attr") != NULL)
159			gc->attr = value;
160			}
161
162			/* Synchronize all the old options with the new -style one. */
163			void
164			style_update_old(struct options oo, const char name, struct grid_cell *gc)
165			{
166			char newname[128];
167			int size;
168
169			size = strrchr(name, '-') - name;
170
171			xsnprintf(newname, sizeof newname, "%.*s-bg", size, name);
172			options_set_number(oo, newname, gc->bg);
173
174			xsnprintf(newname, sizeof newname, "%.*s-fg", size, name);
175			options_set_number(oo, newname, gc->fg);
176
177			xsnprintf(newname, sizeof newname, "%.*s-attr", size, name);
178			options_set_number(oo, newname, gc->attr);
179			}
180
181			/* Apply a style. */
182			void
183			style_apply(struct grid_cell gc, struct options oo, const char *name)
184			{
185			struct grid_cell *gcp;
186
187			memcpy(gc, &grid_default_cell, sizeof *gc);
188			gcp = options_get_style(oo, name);
189			gc->fg = gcp->fg;
190			gc->bg = gcp->bg;
191			gc->attr \|= gcp->attr;
192			}
193
194			/* Apply a style, updating if default. */
195			void
196			style_apply_update(struct grid_cell gc, struct options oo, const char *name)
197			{
198			struct grid_cell *gcp;
199
200			gcp = options_get_style(oo, name);
201			if (gcp->fg != 8)
202			gc->fg = gcp->fg;
203			if (gcp->bg != 8)
204			gc->bg = gcp->bg;
205			if (gcp->attr != 0)
206			gc->attr \|= gcp->attr;
207			}
208
209			/* Check if two styles are the same. */
210			int
211			style_equal(const struct grid_cell gc1, const struct grid_cell gc2)
212			{
213			return (gc1->fg == gc2->fg &&
214			gc1->bg == gc2->bg &&
215			(gc1->flags & ~GRID_FLAG_PADDING) ==
216			(gc2->flags & ~GRID_FLAG_PADDING) &&
217			(gc1->attr & ~GRID_ATTR_CHARSET) ==
218			(gc2->attr & ~GRID_ATTR_CHARSET));
219			}