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#include "pkt-line.h"
static void pack_line(const char *line)
{
if (!strcmp(line, "0000") || !strcmp(line, "0000\n"))
packet_flush(1);
else if (!strcmp(line, "0001") || !strcmp(line, "0001\n"))
packet_delim(1);
else
packet_write_fmt(1, "%s", line);
}
static void pack(int argc, const char **argv)
{
if (argc) { /* read from argv */
int i;
for (i = 0; i < argc; i++)
pack_line(argv[i]);
} else { /* read from stdin */
char line[LARGE_PACKET_MAX];
while (fgets(line, sizeof(line), stdin)) {
pack_line(line);
}
}
}
static void unpack(void)
{
struct packet_reader reader;
packet_reader_init(&reader, 0, NULL, 0,
PACKET_READ_GENTLE_ON_EOF |
PACKET_READ_CHOMP_NEWLINE);
while (packet_reader_read(&reader) != PACKET_READ_EOF) {
switch (reader.status) {
case PACKET_READ_EOF:
break;
case PACKET_READ_NORMAL:
printf("%s\n", reader.line);
break;
case PACKET_READ_FLUSH:
printf("0000\n");
break;
case PACKET_READ_DELIM:
printf("0001\n");
break;
}
}
}
int cmd_main(int argc, const char **argv)
{
if (argc < 2)
die("too few arguments");
if (!strcmp(argv[1], "pack"))
pack(argc - 2, argv + 2);
else if (!strcmp(argv[1], "unpack"))
unpack();
else
die("invalid argument '%s'", argv[1]);
return 0;
}
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