00001
00002
00003 #include "osl/record/psn.h"
00004 #include "osl/state/simpleState.h"
00005
00006 const std::string osl::record::psn::
00007 show(Position pos)
00008 {
00009 const int x = pos.x();
00010 const int y = pos.y();
00011 std::string result = "XX";
00012 result[0] = x + '0';
00013 result[1] = y + 'a' - 1;
00014 return result;
00015 }
00016
00017 char osl::record::psn::
00018 show(Ptype ptype)
00019 {
00020 switch (ptype)
00021 {
00022 case PAWN: return 'P';
00023 case LANCE: return 'L';
00024 case KNIGHT: return 'N';
00025 case SILVER: return 'S';
00026 case GOLD: return 'G';
00027 case BISHOP: return 'B';
00028 case ROOK: return 'R';
00029 case KING: return 'K';
00030 default:
00031 assert("unsupported ptype" == 0);
00032 return '!';
00033 }
00034 }
00035
00036 const std::string osl::record::psn::
00037 show(Move m)
00038 {
00039 const Position from = m.from();
00040 const Position to = m.to();
00041 if (from.isPieceStand())
00042 {
00043 std::string result = "X*";
00044 result[0] = show(m.ptype());
00045 result += show(to);
00046 return result;
00047 }
00048 std::string result = show(from);
00049 result += show(to);
00050 if (m.promoteMask())
00051 result += '+';
00052 return result;
00053 }
00054
00055 const std::string osl::record::psn::
00056 showXP(Move m)
00057 {
00058 if (m.isInvalid())
00059 return "resign";
00060 if (m.isPass())
00061 return "pass";
00062 const Position from = m.from();
00063 const Position to = m.to();
00064 if (from.isPieceStand())
00065 {
00066 std::string result = "X*";
00067 result[0] = show(m.ptype());
00068 result += show(to);
00069 return result;
00070 }
00071 std::string result = show(from);
00072 if (m.capturePtype() != PTYPE_EMPTY)
00073 result += 'x';
00074 result += show(to);
00075 if (m.isPromote())
00076 result += '+';
00077 else if (canPromote(m.ptype())
00078 && (from.canPromote(m.player()) || to.canPromote(m.player())))
00079 result += '=';
00080 return result;
00081 }
00082
00083
00084 const osl::Move osl::record::psn::
00085 strToMove(const std::string& str, const SimpleState& s)
00086 {
00087 assert(str.size() >= 4);
00088 const Position to = strToPos(str.substr(2,2));
00089 if (str[1] == '*')
00090 {
00091 const Ptype ptype = charToPtype(str[0]);
00092 return Move(to, ptype, s.getTurn());
00093 }
00094
00095 const Position from = strToPos(str.substr(0,2));
00096 const Ptype ptype = s.getPieceOnBoard(from).ptype();
00097 const Ptype captured = s.getPieceOnBoard(to).ptype();
00098 bool promotion = false;
00099 if (str.size() > 4)
00100 {
00101 assert(str[4] == '+');
00102 promotion = true;
00103 }
00104 return Move(from, to, (promotion ? promote(ptype) : ptype),
00105 captured, promotion, s.getTurn());
00106 }
00107
00108 const osl::Position osl::record::psn::
00109 strToPos(const std::string& str)
00110 {
00111 assert(str.size() == 2);
00112 const int x = str[0] - '0';
00113 const int y = str[1] - 'a' + 1;
00114 return Position(x, y);
00115 }
00116
00117 osl::Ptype osl::record::psn::
00118 charToPtype(char c)
00119 {
00120 switch (c)
00121 {
00122 case 'P': return PAWN;
00123 case 'L': return LANCE;
00124 case 'N': return KNIGHT;
00125 case 'S': return SILVER;
00126 case 'G': return GOLD;
00127 case 'B': return BISHOP;
00128 case 'R': return ROOK;
00129 case 'K': return KING;
00130 default:
00131 return PTYPE_EMPTY;
00132 }
00133 }
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