Callback *Callback::find(
const char *name,
bool printList
)
{
CBMap found;
size_t sz = strlen(name);
auto e = callbacks->end();
auto i = callbacks->begin();
while(i!=e) {
Callback *c = *(i++);
std::vector<const char*> names;
names.push_back(c->name());
c->aliases(names);
auto e = names.end();
auto i = names.begin();
while(i!=e) {
const char *nm = *(i++);
size_t x = std::min(sz, strlen(nm));
if(0==strncasecmp(nm, name, x)) found[(uintptr_t)c] = c;
}
}
if(1==found.size() && !printList) {
return found.begin()->second;
} else if(0==found.size()) {
printf("\n");
warning("\"%s\": unknown command name\n", name);
} else {
printf("\n");
if(!printList) {
warning("\"%s\": ambiguous command name, could be any of:\n", name);
}
int count = 0;
auto e = found.end();
auto i = found.begin();
while(i!=e) {
std::vector<const char*> names;
Callback *c = (i++)->second;
c->aliases(names);
printf(
" %3d. %s%s",
++count,
c->name(),
0<names.size() ? " (aliases: " : ""
);
bool first = true;
auto e = names.end();
auto i = names.begin();
while(i!=e) {
const char *nm = *(i++);
printf(
"%s%s",
first ? "" : ", ",
nm
);
first = false;
}
printf(
"%s\n",
0<names.size() ? ")" : ""
);
}
printf("\n");
}
if(printList || 0==strcmp(name, "help")) return 0;
printf("use:\n");
printf(" \"parser man\" for complete documentation of all commands.\n");
printf(" \"parser help\" for a short summary of available commands.\n\n");
exit(-1);
}
