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win32: ANSI emulation for colour output.

This commit is contained in:
Daniel Beer 2011-07-27 22:51:39 +12:00
parent 51b1d6b90f
commit 04335f4f1c
1 changed files with 63 additions and 8 deletions
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69
output.c
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@ -29,6 +29,10 @@ struct outbuf {
char buf[4096];
int len;
int in_code;
int ansi_cur;
int ansi_num;
int ansi_next;
};
static struct outbuf stdout_buf;
@ -37,31 +41,82 @@ static struct outbuf stderr_buf;
static capture_func_t capture_func;
static void *capture_data;
static void process_ansi_part(struct outbuf *out)
{
if (!out->ansi_num) {
out->ansi_next = 7;
} else if (out->ansi_num == 1) {
out->ansi_next |= 0x8;
} else if (out->ansi_num >= 30) {
const int attr = out->ansi_num % 10;
const int col = ((attr & 1) << 2) |
(attr & 2) |
((attr & 4) >> 2);
if (out->ansi_num >= 40)
out->ansi_next = (out->ansi_next & 0x0f) |
(col << 4);
else
out->ansi_next = (out->ansi_next & 0xf0) | col;
}
out->ansi_num = 0;
}
static int write_text(struct outbuf *out, const char *buf, FILE *fout)
{
int want_color = opdb_get_boolean("color");
int len = 0;
if (!out->ansi_cur)
out->ansi_cur = 7;
while (*buf) {
if (*buf == 27)
if (*buf == 27) {
out->in_code = 1;
out->ansi_num = 0;
out->ansi_next = out->ansi_cur;
}
if (!out->in_code)
len++;
if (*buf == '\n') {
fputc('\n', fout);
out->buf[out->len] = 0;
fprintf(fout, "%s\n", out->buf);
if (capture_func)
capture_func(capture_data, out->buf);
out->len = 0;
} else if ((want_color || !out->in_code) &&
out->len + 1 < sizeof(out->buf)) {
out->buf[out->len++] = *buf;
} else if (out->in_code) {
if (isdigit(*buf)) {
out->ansi_num =
out->ansi_num * 10 + *buf - '0';
} else if (*buf == ';') {
process_ansi_part(out);
} else if (isalpha(*buf)) {
process_ansi_part(out);
out->in_code = 0;
if (*buf == 'm')
out->ansi_cur = out->ansi_next;
#ifdef WIN32
if (want_color && *buf == 'm') {
fflush(fout);
SetConsoleTextAttribute(GetStdHandle
(STD_OUTPUT_HANDLE), out->ansi_cur);
}
#endif
}
if (isalpha(*buf))
out->in_code = 0;
#ifndef WIN32
if (want_color)
fputc(*buf, fout);
#endif
} else {
if (out->len + 1 < sizeof(out->buf))
out->buf[out->len++] = *buf;
fputc(*buf, fout);
}
buf++;
}