1 /* 2 * Copyright 2011, Oliver Tappe <zooey@hirschkaefer.de> 3 * Distributed under the terms of the MIT License. 4 */ 5 6 7 #include <stdio.h> 8 #include <string.h> 9 10 #include "DecisionProvider.h" 11 12 13 bool 14 DecisionProvider::YesNoDecisionNeeded(const BString& description, 15 const BString& question, const BString& yes, const BString& no, 16 const BString& defaultChoice) 17 { 18 if (description.Length() > 0) 19 printf("%s\n", description.String()); 20 21 bool haveDefault = defaultChoice.Length() > 0; 22 23 while (true) { 24 printf("%s [%s/%s]%s: ", question.String(), yes.String(), no.String(), 25 haveDefault 26 ? (BString(" (") << defaultChoice << ") ").String() : ""); 27 28 char buffer[32]; 29 if (fgets(buffer, 32, stdin)) { 30 if (haveDefault && (buffer[0] == '\n' || buffer[0] == '\0')) 31 return defaultChoice == yes; 32 int length = strlen(buffer); 33 for (int i = 1; i <= length; ++i) { 34 if (yes.ICompare(buffer, i) == 0) { 35 if (no.ICompare(buffer, i) != 0) 36 return true; 37 } else if (no.Compare(buffer, i) == 0) { 38 if (yes.ICompare(buffer, i) != 0) 39 return false; 40 } else 41 break; 42 } 43 fprintf(stderr, "*** please enter '%s' or '%s'\n", yes.String(), 44 no.String()); 45 } 46 } 47 } 48