| 21 | typedef int T::*plcoi; |
| 22 | typedef std::string T::*plcos; |
| 23 | struct Option { |
| 24 | int opType; |
| 25 | union { |
| 26 | plcob pb; |
| 27 | plcoi pi; |
| 28 | plcos ps; |
| 29 | }; |
| 30 | std::string description; |
| 31 | Option() : |
| 32 | opType(SC_TYPE_BOOLEAN), pb(0), description("") { |
| 33 | } |
| 34 | Option(plcob pb_, std::string description_="") : |
| 35 | opType(SC_TYPE_BOOLEAN), pb(pb_), description(description_) { |
| 36 | } |
| 37 | Option(plcoi pi_, std::string description_) : |
| 38 | opType(SC_TYPE_INTEGER), pi(pi_), description(description_) { |
| 39 | } |
| 40 | Option(plcos ps_, std::string description_) : |
| 41 | opType(SC_TYPE_STRING), ps(ps_), description(description_) { |
| 42 | } |
| 43 | bool Set(T *base, const char *val) { |
| 44 | switch (opType) { |
| 45 | case SC_TYPE_BOOLEAN: { |
| 46 | bool option = atoi(val) != 0; |
| 47 | if ((*base).*pb != option) { |
| 48 | (*base).*pb = option; |
| 49 | return true; |
| 50 | } |
| 51 | break; |
| 52 | } |
| 53 | case SC_TYPE_INTEGER: { |
| 54 | int option = atoi(val); |
| 55 | if ((*base).*pi != option) { |
| 56 | (*base).*pi = option; |
| 57 | return true; |
| 58 | } |
| 59 | break; |
| 60 | } |
| 61 | case SC_TYPE_STRING: { |
| 62 | if ((*base).*ps != val) { |
| 63 | (*base).*ps = val; |
| 64 | return true; |
| 65 | } |
| 66 | break; |
| 67 | } |
| 68 | } |
| 69 | return false; |
| 70 | } |
| 71 | }; |
| 72 | typedef std::map<std::string, Option> OptionMap; |
| 73 | OptionMap nameToDef; |
| 74 | std::string names; |