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Noninteractive mode

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This mode accepts inputs with newlines and doesn't disable input buffering. This is useful for using SDC as a backend for GUIs such as https://git.exozy.me/a/SDGUI.
This commit is contained in:
Anthony Wang 2024-01-02 19:25:44 -06:00
parent fce879b5c5
commit fdd8f1fe2d
Signed by: a
SSH key fingerprint: SHA256:B5ADfMCqd2M7d/jtXDoihAV/yfXOAbWWri9+GdCN4hQ
1 changed files with 27 additions and 10 deletions
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37
sd.c
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@ -10,19 +10,21 @@
int main(int argc, char* argv[]) {
char *file = "cards";
bool verbose = false;
bool noninteractive = false;
/* Proccess args */
static struct option long_options[] = {
{"file", required_argument, NULL, 'f'},
{"verbose", no_argument, NULL, 'v'}
{"file", required_argument, NULL, 'f'},
{"verbose", no_argument, NULL, 'v'},
{"noninteractive", no_argument, NULL, 'n'}
};
while (true) {
int option_index = 0;
int c = getopt_long(argc, argv, "f:v", long_options, &option_index);
int c = getopt_long(argc, argv, "f:vn", long_options, NULL);
if (c == -1) break;
switch (c) {
case 'f': file = optarg; break;
case 'v': verbose = true; break;
case 'n': noninteractive = true; break;
default: abort();
}
}
@ -54,9 +56,11 @@ int main(int argc, char* argv[]) {
printf("\n");
}
/* Disable input buffering */
assert(system("stty -F /dev/tty cbreak min 1") == 0);
assert(system("stty -F /dev/tty -echo") == 0);
if (!noninteractive) {
/* Disable input buffering */
assert(system("stty -F /dev/tty cbreak min 1") == 0);
assert(system("stty -F /dev/tty -echo") == 0);
}
while (true) {
/* Make sure sum of weights is positive */
@ -76,14 +80,28 @@ int main(int argc, char* argv[]) {
sqlite3_bind_int(stmt, 1, i);
sqlite3_step(stmt);
printf("> %s\n", sqlite3_column_text(stmt, 0));
if (noninteractive) {
fflush(stdout);
}
/* Wait for confirmation */
char b = getchar();
getchar();
if (noninteractive) {
/* Skip newline */
getchar();
}
printf("%s\n", sqlite3_column_text(stmt, 1));
if (noninteractive) {
fflush(stdout);
}
sqlite3_finalize(stmt);
/* Read user input */
b = getchar();
char b = getchar();
if (noninteractive) {
/* Skip newline */
getchar();
}
if (b == 'y') w >>= 1;
else if (b == 'n') w <<= 3;
else break;
@ -99,5 +117,4 @@ int main(int argc, char* argv[]) {
/* Cleanup */
sqlite3_close(db);
assert(system("stty -F /dev/tty echo") == 0);
}