commit cce60d0b72958d5c374928f128c806abb66019e1
parent 57a7915f77857922763afb1235a2cfe7752d89f7
Author: hhvn <dev@hhvn.uk>
Date: Sun, 20 Mar 2022 11:21:12 +0000
Add irccat (converts mirc codes to ansi. Adapted from ui_wprintc)
Diffstat:
3 files changed, 174 insertions(+), 0 deletions(-)
diff --git a/.gitignore b/.gitignore
@@ -1,3 +1,4 @@
+misc/irccat
hirc
hirc.1
*.o
diff --git a/misc/Makefile b/misc/Makefile
@@ -0,0 +1,4 @@
+irccat: irccat.c
+
+.c:
+ cc -o $(<:.c=) $<
diff --git a/misc/irccat.c b/misc/irccat.c
@@ -0,0 +1,169 @@
+/*
+ * misc/irccat.c from hirc - cat(1) that convert mIRC codes to ANSI.
+ *
+ * Copyright (c) 2022 hhvn <dev@hhvn.uk>
+ *
+ * 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 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 <stdio.h>
+#include <ctype.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+#define FCOLOUR "\x1b[38;5;%dm"
+#define BCOLOUR "\x1b[48;5;%dm"
+#define BOLD "\x1b[1m"
+#define NBOLD "\x1b[22m"
+#define ITALIC "\x1b[3m"
+#define NITALIC "\x1b[23m"
+#define REVERSE "\x1b[7m"
+#define NREVERSE "\x1b[27m"
+#define UNDERLINE "\x1b[4m"
+#define NUNDERLINE "\x1b[24m"
+#define RESET "\x1b[0m"
+
+#define HIRC_COLOURS 100
+static unsigned short colourmap[HIRC_COLOURS] = {
+ [0] = 255, 16, 19, 46, 124, 88, 127, 184,
+ [8] = 208, 46, 45, 51, 21, 201, 240, 255,
+
+ /* extended */
+ [16] = 52, 94, 100, 58, 22, 29, 23, 24, 17, 54, 53, 89,
+ [28] = 88, 130, 142, 64, 28, 35, 30, 25, 18, 91, 90, 125,
+ [40] = 124, 166, 184, 106, 34, 49, 37, 33, 19, 129, 127, 161,
+ [52] = 196, 208, 226, 154, 46, 86, 51, 75, 21, 171, 201, 198,
+ [64] = 203, 215, 227, 191, 83, 122, 87, 111, 63, 177, 207, 205,
+ [76] = 217, 223, 229, 193, 157, 158, 159, 153, 147, 183, 219, 212,
+ [88] = 16, 233, 235, 237, 239, 241, 244, 247, 250, 254, 231,
+
+ /* transparency */
+ [99] = -1
+};
+
+void
+display(int fd) {
+ char buf[BUFSIZ], *s;
+ ssize_t ret;
+ char colourbuf[2][3];
+ int colours[2];
+ int rcolour = 0, bg = 0;
+ int bold = 0;
+ int underline = 0;
+ int reverse = 0;
+ int italic = 0;
+
+ while ((ret = read(fd, buf, sizeof(buf) - 1)) != 0) {
+ buf[ret] = '\0';
+ for (s = buf; s && *s; s++) {
+ if (rcolour) {
+ if (!bg && !colourbuf[0][0] && isdigit(*s)) {
+ colourbuf[0][0] = *s;
+ continue;
+ } else if (!bg && !colourbuf[0][1] && isdigit(*s)) {
+ colourbuf[0][1] = *s;
+ continue;
+ } else if (!bg && *s == ',') {
+ bg = 1;
+ continue;
+ } else if (bg && !colourbuf[1][0] && isdigit(*s)) {
+ colourbuf[1][0] = *s;
+ continue;
+ } else if (bg && !colourbuf[1][1] && isdigit(*s)) {
+ colourbuf[1][1] = *s;
+ continue;
+ } else {
+ rcolour = bg = 0;
+ colours[0] = colourbuf[0][0] ? atoi(colourbuf[0]) : 99;
+ colours[1] = colourbuf[1][0] ? atoi(colourbuf[1]) : 99;
+
+ if (colours[0] != 99)
+ printf(FCOLOUR, colourmap[colours[0]]);
+ if (colours[1] != 99)
+ printf(BCOLOUR, colourmap[colours[1]]);
+ }
+ }
+
+ switch (*s) {
+ case 2: /* ^B */
+ if (bold)
+ printf(NBOLD);
+ else
+ printf(BOLD);
+ bold = !bold;
+ break;
+ case 3: /* ^C */
+ memset(colourbuf, '\0', sizeof(colourbuf));
+ rcolour = 1;
+ break;
+ case 9: /* ^I */
+ if (italic)
+ printf(NITALIC);
+ else
+ printf(ITALIC);
+ italic = !italic;
+ break;
+ case 15: /* ^O */
+ bold = underline = reverse = italic = 0;
+ printf(RESET);
+ break;
+ case 18: /* ^R */
+ if (reverse)
+ printf(NREVERSE);
+ else
+ printf(REVERSE);
+ reverse = !reverse;
+ break;
+ case 21: /* ^U */
+ if (underline)
+ printf(NUNDERLINE);
+ else
+ printf(UNDERLINE);
+ underline = !underline;
+ break;
+ case '\n':
+ bold = underline = reverse = italic = 0;
+ printf(RESET);
+ /* fallthrough */
+ default:
+ putchar(*s);
+ break;
+ }
+ }
+ }
+}
+
+int
+main(int argc, char *argv[]) {
+ int i;
+ FILE *f;
+
+ if (argc < 2) {
+ display(0);
+ } else {
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-") == 0) {
+ display(0);
+ } else if ((f = fopen(argv[i], "r")) == NULL) {
+ fprintf(stderr, "could not read '%s': %s\n", argv[i], strerror(errno));
+ } else {
+ display(fileno(f));
+ fclose(f);
+ }
+ }
+ }
+}
