/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
- Copyright (C) 2008 Marco Costalba
+ Copyright (C) 2008-2009 Marco Costalba
Stockfish is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include "thread.h"
#include "ucioption.h"
-
-////
-//// Variables
-////
-
-bool Chess960 = false;
-
+using std::string;
////
//// Local definitions
enum OptionType { SPIN, COMBO, CHECK, STRING, BUTTON };
- typedef std::vector<std::string> ComboValues;
+ typedef std::vector<string> ComboValues;
struct Option {
- std::string name, defaultValue, currentValue;
+ string name, defaultValue, currentValue;
OptionType type;
+ size_t idx;
int minValue, maxValue;
ComboValues comboValues;
- size_t idx;
Option();
- Option(const std::string& defaultValue, OptionType = STRING);
+ Option(const char* defaultValue, OptionType = STRING);
Option(bool defaultValue, OptionType = CHECK);
Option(int defaultValue, int minValue, int maxValue);
- bool operator<(const Option& o) { return this->idx < o.idx; }
+ bool operator<(const Option& o) const { return this->idx < o.idx; }
};
- typedef std::map<std::string, Option> Options;
+ typedef std::map<string, Option> Options;
///
/// Constants
o["Full Depth Moves (PV nodes)"] = Option(14, 1, 100);
o["Full Depth Moves (non-PV nodes)"] = Option(3, 1, 100);
o["Threat Depth"] = Option(5, 0, 100);
- o["Selective Plies"] = Option(7, 0, 10);
o["Futility Pruning (Main Search)"] = Option(true);
o["Futility Pruning (Quiescence Search)"] = Option(true);
- o["Futility Margin (Quiescence Search)"] = Option(50, 0, 1000);
- o["Futility Margin Scale Factor (Main Search)"] = Option(100, 0, 1000);
- o["Maximum Razoring Depth"] = Option(3, 0, 4);
- o["Razoring Margin"] = Option(300, 150, 600);
o["LSN filtering"] = Option(true);
o["LSN Time Margin (sec)"] = Option(4, 1, 10);
o["LSN Value Margin"] = Option(200, 100, 600);
// stringify converts a value of type T to a std::string
template<typename T>
- std::string stringify(const T& v) {
+ string stringify(const T& v) {
std::ostringstream ss;
ss << v;
return ss.str();
}
- // We want conversion from a bool value to be "true" or "false",
- // not "1" or "0", so add a specialization for bool type.
- template<>
- std::string stringify<bool>(const bool& v) {
-
- return v ? "true" : "false";
- }
// get_option_value implements the various get_option_value_<type>
// functions defined later, because only the option value
// type changes a template seems a proper solution.
template<typename T>
- T get_option_value(const std::string& optionName) {
+ T get_option_value(const string& optionName) {
T ret = T();
if (options.find(optionName) == options.end())
return ret;
}
- // Unfortunatly we need a specialization to convert "false" and "true"
- // to proper bool values. The culprit is that we use a non standard way
- // to store a bool value in a string, in particular we use "false" and
- // "true" instead of "0" and "1" due to how UCI protocol works.
-
- template<>
- bool get_option_value<bool>(const std::string& optionName) {
-
- if (options.find(optionName) == options.end())
- return false;
-
- return options[optionName].currentValue == "true";
- }
}
////
for (std::vector<Option>::const_iterator it = vec.begin(); it != vec.end(); ++it)
{
- std::cout << "option name " << it->name
- << " type " << optionTypeName[it->type];
+ std::cout << "\noption name " << it->name
+ << " type " << optionTypeName[it->type];
- if (it->type != BUTTON)
- {
- std::cout << " default " << it->defaultValue;
+ if (it->type == BUTTON)
+ continue;
- if (it->type == SPIN)
- std::cout << " min " << it->minValue
- << " max " << it->maxValue;
+ if (it->type == CHECK)
+ std::cout << " default " << (it->defaultValue == "1" ? "true" : "false");
+ else
+ std::cout << " default " << it->defaultValue;
- else if (it->type == COMBO)
- for (ComboValues::const_iterator itc = it->comboValues.begin();
- itc != it->comboValues.end(); ++itc)
- std::cout << " var " << *itc;
- }
- std::cout << std::endl;
+ if (it->type == SPIN)
+ std::cout << " min " << it->minValue << " max " << it->maxValue;
+ else if (it->type == COMBO)
+ for (ComboValues::const_iterator itc = it->comboValues.begin();
+ itc != it->comboValues.end(); ++itc)
+ std::cout << " var " << *itc;
}
+ std::cout << std::endl;
}
/// get_option_value_bool() returns the current value of a UCI parameter of
/// type "check".
-bool get_option_value_bool(const std::string& optionName) {
+bool get_option_value_bool(const string& optionName) {
return get_option_value<bool>(optionName);
}
/// it could also be used with a "combo" parameter, where all the available
/// values are integers.
-int get_option_value_int(const std::string& optionName) {
+int get_option_value_int(const string& optionName) {
return get_option_value<int>(optionName);
}
/// get_option_value_string() returns the current value of a UCI parameter as
/// a string. It is used with parameters of type "combo" and "string".
-const std::string get_option_value_string(const std::string& optionName) {
+string get_option_value_string(const string& optionName) {
- return get_option_value<std::string>(optionName);
+ return get_option_value<string>(optionName);
}
/// the function does not check that the new value is legal for the given
/// parameter: This is assumed to be the responsibility of the GUI.
-void set_option_value(const std::string& optionName,
- const std::string& newValue) {
+void set_option_value(const string& name, const string& value) {
+
+ // UCI protocol uses "true" and "false" instead of "1" and "0", so convert
+ // value according to standard C++ convention before to store it.
+ string v(value);
+ if (v == "true")
+ v = "1";
+ else if (v == "false")
+ v = "0";
- if (options.find(optionName) != options.end())
- options[optionName].currentValue = newValue;
+ if (options.find(name) != options.end())
+ options[name].currentValue = v;
else
- std::cout << "No such option: " << optionName << std::endl;
+ std::cout << "No such option: " << name << std::endl;
}
/// push_button() is used to tell the engine that a UCI parameter of type
/// "button" has been selected:
-void push_button(const std::string& buttonName) {
+void push_button(const string& buttonName) {
set_option_value(buttonName, "true");
}
/// been selected since the last time the function was called, in this case
/// it also resets the button.
-bool button_was_pressed(const std::string& buttonName) {
+bool button_was_pressed(const string& buttonName) {
if (!get_option_value<bool>(buttonName))
return false;
Option::Option() {} // To allow insertion in a std::map
- Option::Option(const std::string& def, OptionType t)
+ Option::Option(const char* def, OptionType t)
: defaultValue(def), currentValue(def), type(t), idx(options.size()), minValue(0), maxValue(0) {}
Option::Option(bool def, OptionType t)
projects / stockfish / blobdiff