cosmopolitan/tool/viz/invertblocks.c

115 lines
3.7 KiB
C

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or 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 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 "libc/log/check.h"
#include "libc/runtime/runtime.h"
#include "libc/stdio/stdio.h"
#include "libc/sysv/consts/ex.h"
#include "libc/sysv/consts/exit.h"
#include "third_party/getopt/getopt.h"
static FILE *fi_, *fo_;
static char *inpath_, *outpath_;
wontreturn void usage(int rc, FILE *f) {
fprintf(f, "%s%s%s\n", "Usage: ", program_invocation_name,
" [-o FILE] [FILE...]\n");
exit(rc);
}
void getopts(int *argc, char *argv[]) {
int opt;
outpath_ = "-";
while ((opt = getopt(*argc, argv, "?ho:")) != -1) {
switch (opt) {
case 'o':
outpath_ = optarg;
break;
case '?':
case 'h':
usage(EXIT_SUCCESS, stdout);
default:
usage(EX_USAGE, stderr);
}
}
if (optind == *argc) {
argv[(*argc)++] = "-";
}
}
void processfile(void) {
wint_t wc;
while ((wc = fgetwc(fi_)) != -1) {
switch (wc) {
case L'':
wc = L' ';
break;
case L'':
wc = L'';
break;
case L'':
wc = L'';
break;
case L'':
wc = L'';
break;
/* █ */
case L'':
wc = L'';
break;
case L'':
wc = L'';
break;
case L'':
wc = L'';
break;
case L'':
wc = L'';
break;
case L'':
wc = L'';
break;
case L'':
wc = L'';
break;
case L'':
wc = L'';
break;
case L'':
wc = L'';
break;
default:
break;
}
fputwc(wc, fo_);
}
}
int main(int argc, char *argv[]) {
size_t i;
getopts(&argc, argv);
CHECK_NOTNULL((fo_ = fopen(outpath_, "w")));
for (i = optind; i < argc; ++i) {
CHECK_NOTNULL((fi_ = fopen((inpath_ = argv[i]), "r")));
processfile();
CHECK_NE(-1, fclose_s(&fi_));
}
CHECK_NE(-1, fclose_s(&fo_));
return 0;
}