main (int argc, char **argv) {
char *s = r_file_slurp (argv[1], NULL);
r_cons_new ();
r_cons_less (s);
}
R_API int r_cons_grepbuf(char *buf, int len) {
RCons *cons = r_cons_singleton ();
char *tline, *tbuf, *p, *out, *in = buf;
int ret, buffer_len = 0, l = 0, tl = 0;
if (cons->grep.json) {
char *out = sdb_json_indent (buf);
free (cons->buffer);
cons->buffer = out;
cons->buffer_len = strlen (out);
cons->buffer_sz = cons->buffer_len +1;
cons->grep.json = 0;
if (cons->grep.less) {
cons->grep.less = 0;
r_cons_less (cons->buffer);
}
return 3;
}
if (cons->grep.less) {
cons->grep.less = 0;
r_cons_less (buf);
buf[0] = 0;
cons->buffer_len = 0;
if (cons->buffer)
cons->buffer[0] = 0;
free (cons->buffer);
cons->buffer = NULL;
return 0;
}
if (!cons->buffer) {
cons->buffer_len = len+20;
cons->buffer = malloc (cons->buffer_len);
cons->buffer[0] = 0;
}
out = tbuf = calloc (1, len);
tline = malloc (len);
cons->lines = 0;
while ((int)(size_t)(in-buf)<len) {
p = strchr (in, '\n');
if (!p) {
free (tbuf);
free (tline);
return 0;
}
l = p-in;
if (l > 0) {
memcpy (tline, in, l);
tl = r_str_ansi_filter (tline, l);
if (tl < 0)
ret = -1;
else ret = r_cons_grep_line (tline, tl);
if (ret > 0) {
if (cons->grep.line == -1 ||
(cons->grep.line != -1 && cons->grep.line == cons->lines)) {
memcpy (out, tline, ret);
memcpy (out+ret, "\n", 1);
out += ret+1;
buffer_len += ret+1;
}
cons->lines++;
} else if (ret < 0) {
free (tbuf);
free (tline);
return 0;
}
in += l+1;
} else in++;
}
memcpy (buf, tbuf, len);
cons->buffer_len = buffer_len;
free (tbuf);
free (tline);
if (cons->grep.counter) {
if (cons->buffer_len<10) cons->buffer_len = 10; // HACK
snprintf (cons->buffer, cons->buffer_len, "%d\n", cons->lines);
cons->buffer_len = strlen (cons->buffer);
}
return cons->lines;
}