Introduce namespace UCI
Ater previous patch it comes naturally to take this extra step. No functional change. Signed-off-by: Marco Costalba <mcostalba@gmail.com>sf_2.3.1_base
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b011818917
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2c1ba2ab0d
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@ -28,14 +28,13 @@
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#include "tt.h"
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#include "ucioption.h"
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void uci_loop(const std::string&);
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void kpk_bitbase_init();
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int main(int argc, char* argv[]) {
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std::cout << engine_info() << std::endl;
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UCIOptions::init(Options);
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UCI::init(Options);
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Bitboards::init();
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Position::init();
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kpk_bitbase_init();
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@ -49,5 +48,5 @@ int main(int argc, char* argv[]) {
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for (int i = 1; i < argc; i++)
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args += std::string(argv[i]) + " ";
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uci_loop(args);
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UCI::loop(args);
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}
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@ -54,7 +54,7 @@ namespace {
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/// that we exit gracefully if the GUI dies unexpectedly. In addition to the UCI
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/// commands, the function also supports a few debug commands.
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void uci_loop(const string& args) {
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void UCI::loop(const string& args) {
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Position pos(StartFEN, false, Threads.main_thread()); // The root position
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string cmd, token;
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@ -18,6 +18,8 @@
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*/
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#include <algorithm>
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#include <cassert>
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#include <cstdlib>
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#include <sstream>
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#include "evaluate.h"
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@ -28,70 +30,69 @@
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using std::string;
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OptionsMap Options; // Global object
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UCI::OptionsMap Options; // Global object
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namespace {
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namespace UCI {
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/// 'On change' actions, triggered by an option's value change
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void on_logger(const UCIOption& opt) { start_logger(opt); }
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void on_eval(const UCIOption&) { Eval::init(); }
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void on_threads(const UCIOption&) { Threads.read_uci_options(); }
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void on_hash_size(const UCIOption& opt) { TT.set_size(opt); }
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void on_clear_hash(const UCIOption&) { TT.clear(); }
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void on_logger(const Option& o) { start_logger(o); }
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void on_eval(const Option&) { Eval::init(); }
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void on_threads(const Option&) { Threads.read_uci_options(); }
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void on_hash_size(const Option& o) { TT.set_size(o); }
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void on_clear_hash(const Option&) { TT.clear(); }
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/// Our case insensitive less() function as required by UCI protocol
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bool ci_less(char c1, char c2) { return tolower(c1) < tolower(c2); }
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}
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bool CaseInsensitiveLess::operator() (const string& s1, const string& s2) const {
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return std::lexicographical_compare(s1.begin(), s1.end(), s2.begin(), s2.end(), ci_less);
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}
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/// UCIOptions::init() initializes the UCI options to their hard coded default
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/// values and initializes the default value of "Threads" and "Min Split Depth"
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/// init() initializes the UCI options to their hard coded default values
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/// and initializes the default value of "Threads" and "Min Split Depth"
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/// parameters according to the number of CPU cores detected.
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void UCIOptions::init(OptionsMap& o) {
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void init(OptionsMap& o) {
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int cpus = std::min(cpu_count(), MAX_THREADS);
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int msd = cpus < 8 ? 4 : 7;
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o["Use Debug Log"] = UCIOption(false, on_logger);
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o["Use Search Log"] = UCIOption(false);
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o["Search Log Filename"] = UCIOption("SearchLog.txt");
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o["Book File"] = UCIOption("book.bin");
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o["Best Book Move"] = UCIOption(false);
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o["Mobility (Middle Game)"] = UCIOption(100, 0, 200, on_eval);
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o["Mobility (Endgame)"] = UCIOption(100, 0, 200, on_eval);
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o["Passed Pawns (Middle Game)"] = UCIOption(100, 0, 200, on_eval);
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o["Passed Pawns (Endgame)"] = UCIOption(100, 0, 200, on_eval);
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o["Space"] = UCIOption(100, 0, 200, on_eval);
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o["Aggressiveness"] = UCIOption(100, 0, 200, on_eval);
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o["Cowardice"] = UCIOption(100, 0, 200, on_eval);
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o["Min Split Depth"] = UCIOption(msd, 4, 7, on_threads);
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o["Max Threads per Split Point"] = UCIOption(5, 4, 8, on_threads);
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o["Threads"] = UCIOption(cpus, 1, MAX_THREADS, on_threads);
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o["Use Sleeping Threads"] = UCIOption(true, on_threads);
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o["Hash"] = UCIOption(32, 4, 8192, on_hash_size);
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o["Clear Hash"] = UCIOption(on_clear_hash);
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o["Ponder"] = UCIOption(true);
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o["OwnBook"] = UCIOption(false);
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o["MultiPV"] = UCIOption(1, 1, 500);
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o["Skill Level"] = UCIOption(20, 0, 20);
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o["Emergency Move Horizon"] = UCIOption(40, 0, 50);
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o["Emergency Base Time"] = UCIOption(200, 0, 30000);
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o["Emergency Move Time"] = UCIOption(70, 0, 5000);
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o["Minimum Thinking Time"] = UCIOption(20, 0, 5000);
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o["Slow Mover"] = UCIOption(100, 10, 1000);
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o["UCI_Chess960"] = UCIOption(false);
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o["UCI_AnalyseMode"] = UCIOption(false, on_eval);
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o["Use Debug Log"] = Option(false, on_logger);
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o["Use Search Log"] = Option(false);
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o["Search Log Filename"] = Option("SearchLog.txt");
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o["Book File"] = Option("book.bin");
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o["Best Book Move"] = Option(false);
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o["Mobility (Middle Game)"] = Option(100, 0, 200, on_eval);
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o["Mobility (Endgame)"] = Option(100, 0, 200, on_eval);
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o["Passed Pawns (Middle Game)"] = Option(100, 0, 200, on_eval);
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o["Passed Pawns (Endgame)"] = Option(100, 0, 200, on_eval);
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o["Space"] = Option(100, 0, 200, on_eval);
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o["Aggressiveness"] = Option(100, 0, 200, on_eval);
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o["Cowardice"] = Option(100, 0, 200, on_eval);
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o["Min Split Depth"] = Option(msd, 4, 7, on_threads);
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o["Max Threads per Split Point"] = Option(5, 4, 8, on_threads);
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o["Threads"] = Option(cpus, 1, MAX_THREADS, on_threads);
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o["Use Sleeping Threads"] = Option(true, on_threads);
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o["Hash"] = Option(32, 4, 8192, on_hash_size);
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o["Clear Hash"] = Option(on_clear_hash);
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o["Ponder"] = Option(true);
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o["OwnBook"] = Option(false);
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o["MultiPV"] = Option(1, 1, 500);
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o["Skill Level"] = Option(20, 0, 20);
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o["Emergency Move Horizon"] = Option(40, 0, 50);
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o["Emergency Base Time"] = Option(200, 0, 30000);
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o["Emergency Move Time"] = Option(70, 0, 5000);
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o["Minimum Thinking Time"] = Option(20, 0, 5000);
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o["Slow Mover"] = Option(100, 10, 1000);
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o["UCI_Chess960"] = Option(false);
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o["UCI_AnalyseMode"] = Option(false, on_eval);
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}
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/// operator<<() is used to output all the UCI options in chronological insertion
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/// order (the idx field) and in the format defined by the UCI protocol.
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/// operator<<() is used to print all the options default values in chronological
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/// insertion order (the idx field) and in the format defined by the UCI protocol.
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std::ostream& operator<<(std::ostream& os, const OptionsMap& om) {
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@ -99,7 +100,7 @@ std::ostream& operator<<(std::ostream& os, const OptionsMap& om) {
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for (OptionsMap::const_iterator it = om.begin(); it != om.end(); ++it)
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if (it->second.idx == idx)
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{
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const UCIOption& o = it->second;
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const Option& o = it->second;
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os << "\noption name " << it->first << " type " << o.type;
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if (o.type != "button")
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}
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/// UCIOption class c'tors
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/// Option c'tors and conversion operators
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UCIOption::UCIOption(const char* v, Fn* f) : type("string"), min(0), max(0), idx(Options.size()), on_change(f)
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Option::Option(const char* v, Fn* f) : type("string"), min(0), max(0), idx(Options.size()), on_change(f)
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{ defaultValue = currentValue = v; }
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UCIOption::UCIOption(bool v, Fn* f) : type("check"), min(0), max(0), idx(Options.size()), on_change(f)
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Option::Option(bool v, Fn* f) : type("check"), min(0), max(0), idx(Options.size()), on_change(f)
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{ defaultValue = currentValue = (v ? "true" : "false"); }
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UCIOption::UCIOption(Fn* f) : type("button"), min(0), max(0), idx(Options.size()), on_change(f)
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Option::Option(Fn* f) : type("button"), min(0), max(0), idx(Options.size()), on_change(f)
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{}
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UCIOption::UCIOption(int v, int minv, int maxv, Fn* f) : type("spin"), min(minv), max(maxv), idx(Options.size()), on_change(f)
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Option::Option(int v, int minv, int maxv, Fn* f) : type("spin"), min(minv), max(maxv), idx(Options.size()), on_change(f)
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{ std::ostringstream ss; ss << v; defaultValue = currentValue = ss.str(); }
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/// UCIOption::operator=() updates currentValue. Normally it's up to the GUI to
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/// check for option's limits, but we could receive the new value directly from
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Option::operator int() const {
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assert(type == "check" || type == "spin");
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return (type == "spin" ? atoi(currentValue.c_str()) : currentValue == "true");
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}
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Option::operator std::string() const {
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assert(type == "string");
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return currentValue;
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}
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/// operator=() updates currentValue and triggers on_change() action. It's up to
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/// the GUI to check for option's limits, but we could receive the new value from
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/// the user by console window, so let's check the bounds anyway.
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UCIOption& UCIOption::operator=(const string& v) {
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Option& Option::operator=(const string& v) {
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assert(!type.empty());
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return *this;
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}
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} // namespace UCI
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@ -20,12 +20,12 @@
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#if !defined(UCIOPTION_H_INCLUDED)
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#define UCIOPTION_H_INCLUDED
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#include <cassert>
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#include <cstdlib>
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#include <map>
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#include <string>
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class UCIOption;
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namespace UCI {
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class Option;
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/// Custom comparator because UCI options should be case insensitive
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struct CaseInsensitiveLess {
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};
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/// Our options container is actually a std::map
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typedef std::map<std::string, UCIOption, CaseInsensitiveLess> OptionsMap;
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typedef std::map<std::string, Option, CaseInsensitiveLess> OptionsMap;
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/// UCIOption class implements an option as defined by UCI protocol
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class UCIOption {
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/// Option class implements an option as defined by UCI protocol
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class Option {
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typedef void (Fn)(const UCIOption&);
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typedef void (Fn)(const Option&);
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public:
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UCIOption(Fn* = NULL);
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UCIOption(bool v, Fn* = NULL);
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UCIOption(const char* v, Fn* = NULL);
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UCIOption(int v, int min, int max, Fn* = NULL);
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Option(Fn* = NULL);
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Option(bool v, Fn* = NULL);
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Option(const char* v, Fn* = NULL);
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Option(int v, int min, int max, Fn* = NULL);
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UCIOption& operator=(const std::string& v);
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operator int() const {
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assert(type == "check" || type == "spin");
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return (type == "spin" ? atoi(currentValue.c_str()) : currentValue == "true");
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}
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operator std::string() const {
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assert(type == "string");
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return currentValue;
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}
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Option& operator=(const std::string& v);
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operator int() const;
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operator std::string() const;
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private:
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friend std::ostream& operator<<(std::ostream&, const OptionsMap&);
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@ -67,8 +59,11 @@ private:
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Fn* on_change;
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};
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extern OptionsMap Options;
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void init(OptionsMap&);
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void loop(const std::string&);
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namespace UCIOptions { void init(OptionsMap&); }
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} // namespace UCI
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extern UCI::OptionsMap Options;
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#endif // !defined(UCIOPTION_H_INCLUDED)
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