* Copyright 2011, Oliver Tappe <zooey@hirschkaefer.de>
* Distributed under the terms of the MIT License.
*/
#include <stdio.h>
#include <string.h>
#include "DecisionProvider.h"
DecisionProvider::DecisionProvider(bool interactive)
:
fInteractive(interactive)
{
}
bool
DecisionProvider::YesNoDecisionNeeded(const BString& description,
const BString& question, const BString& yes, const BString& no,
const BString& defaultChoice)
{
if (description.Length() > 0)
printf("%s\n", description.String());
bool haveDefault = defaultChoice.Length() > 0;
while (true) {
printf("%s [%s/%s]%s: ", question.String(), yes.String(), no.String(),
haveDefault
? (BString(" (") << defaultChoice << ") ").String() : "");
if (!fInteractive) {
printf("%s\n", yes.String());
return true;
}
char buffer[32];
if (fgets(buffer, 32, stdin)) {
if (haveDefault && (buffer[0] == '\n' || buffer[0] == '\0'))
return defaultChoice == yes;
int length = strlen(buffer);
for (int i = 1; i <= length; ++i) {
if (yes.ICompare(buffer, i) == 0) {
if (no.ICompare(buffer, i) != 0)
return true;
} else if (no.Compare(buffer, i) == 0) {
if (yes.ICompare(buffer, i) != 0)
return false;
} else
break;
}
fprintf(stderr, "*** please enter '%s' or '%s'\n", yes.String(),
no.String());
}
}
}
