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/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2021
* Cameron Katri. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY CAMERON KATRI AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL CAMERON KATRI OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <ctype.h>
#include <libgen.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sysexits.h>
#include "common.h"
static const char *types[11] = { "di", "ln", "so", "pi", "ex", "bd", "cd", "su",
"sg", "tw", "ow" };
void usage(const char *);
char *tols_colors(char *);
char *tolscolors(char *);
int
main(int argc, char **argv)
{
if (argc != 2)
usage(argv[0]);
char *input = NULL;
if (strcmp(argv[1], "-") == 0) {
char *buf = NULL;
size_t linecap = 0;
getline(&buf, &linecap, stdin);
if (buf[sizeof(buf) - 1] == '\n')
buf[sizeof(buf) - 1] = '\0';
input = strdup(buf);
free(buf);
} else
input = argv[1];
if (strchr(input, '='))
fprintf(stdout, "%s\n", tolscolors(input));
else
fprintf(stdout, "%s\n", tols_colors(input));
return (0);
}
char *
tols_colors(char *lscolors)
{
char *ls_out = strdup("");
for (int i = 0; i < 11; i++) {
if (lscolors[2 * i] == 'x' && lscolors[2 * i + 1] == 'x')
continue;
sprintf(ls_out + strlen(ls_out), "%s=", types[i]);
if (isupper(lscolors[2 * i]))
sprintf(ls_out + strlen(ls_out), "01;");
if (isupper(lscolors[2 * i + 1]))
sprintf(ls_out + strlen(ls_out), "04;");
if (tolower(lscolors[2 * i]) == 'x')
sprintf(ls_out + strlen(ls_out), "00");
else if (tolower(lscolors[2 * i] != 'x'))
sprintf(ls_out + strlen(ls_out), "3%i", (int)tolower(lscolors[2 * i]) - 97);
if (tolower(lscolors[2 * i + 1]) != 'x')
sprintf(ls_out + strlen(ls_out), ";4%i", (int)tolower(lscolors[2 * i + 1]) - 97);
sprintf(ls_out + strlen(ls_out), ":");
}
char *ret = strdup(ls_out);
free(ls_out);
return (ret);
}
char *
tolscolors(char *dircolor)
{
char *ent;
char key[2] = "", val[MAXKEYLEN] = "";
char out[22] = "xxxxxxxxxxxxxxxxxxxx";
struct color color;
while ((ent = strsep(&dircolor, ":")) != NULL) {
for (int i = 0; i < 11; i++) {
if (strncmp(ent, types[i], strlen(types[i])) == 0) {
sscanf(ent, "%c%c=%s", &key[0], &key[1], val);
parseansi(val, &color);
out[2 * i] = color.fg;
out[2 * i + 1] = color.bg;
}
}
}
char *ret = strdup(out);
return (ret);
}
void
usage(const char *progname)
{
char *path;
path = strdup(progname);
(void)fprintf(
stderr, "usage: %s LSCOLORS | LS_COLORS\n", basename(path));
exit(EX_USAGE);
}
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