along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <cctype>
#include <iostream>
#include <sstream>
using std::cout;
using std::endl;
-OptionsMap Options;
+OptionsMap Options; // Global object
+
+
+// Our case insensitive less() function as required by UCI protocol
+bool CaseInsensitiveLess::operator() (const string& s1, const string& s2) const {
+
+ int c1, c2;
+ size_t i = 0;
+
+ while (i < s1.size() && i < s2.size())
+ {
+ c1 = tolower(s1[i]);
+ c2 = tolower(s2[i++]);
+
+ if (c1 != c2)
+ return c1 < c2;
+ }
+ return s1.size() < s2.size();
+}
// stringify() converts a numeric value of type T to a std::string
template<typename T>
inline T Option::value() const {
- assert(type == "spin");
- return T(atoi(currentValue.c_str()));
+ assert(type == "spin");
+ return T(atoi(currentValue.c_str()));
}
template<>
inline std::string Option::value<std::string>() const {
- assert(type == "string");
- return currentValue;
+ assert(type == "string");
+ return currentValue;
}
template<>
inline bool Option::value<bool>() const {
- assert(type == "check" || type == "button");
- return currentValue == "true";
+ assert(type == "check" || type == "button");
+ return currentValue == "true";
}
-typedef std::map<std::string, Option> OptionsMap;
+
+// Custom comparator because UCI options should not be case sensitive
+struct CaseInsensitiveLess {
+ bool operator() (const std::string&, const std::string&) const;
+};
+
+typedef std::map<std::string, Option, CaseInsensitiveLess> OptionsMap;
extern OptionsMap Options;
extern void init_uci_options();