示例#1
0
const deque<const wxString*> Styler_Syntax::GetScope(unsigned int pos) {
	wxASSERT(pos <= m_doc.GetLength());
	if(!HaveActiveSyntax()) return deque<const wxString*>();

	// Make sure the syntax is valid
	ParseTo(pos);

	deque<const wxString*> scopes;
	const wxString& topScope = m_topMatches.subMatcher->GetName();
	if (!topScope.empty()) {
		scopes.push_back(&m_topMatches.subMatcher->GetName());
	}

	GetSubScopeIntervals(pos, m_topMatches, scopes);
	return scopes;
}
bool ribi::Chess::Move::ParseIsEnPassant(const std::string& s)
{
  static const boost::xpressive::sregex r {
    boost::xpressive::sregex::compile("([a-h][4-5])x[a-h][3-6]e.p.(\\+|\\#)?")
  };

  if (!boost::xpressive::regex_match(s,r)) return false;
  const boost::shared_ptr<Chess::Square> from = ParseFrom(s);
  const boost::shared_ptr<Chess::Square> to = ParseTo(s);
  assert(from);
  assert(to);
  if (std::abs(from->GetFile().ToInt() - to->GetFile().ToInt()) != 1) return false;
  if (std::abs(from->GetRank().ToInt() - to->GetRank().ToInt()) != 1) return false;
  if (from->GetRank() == Chess::Rank("5") && to->GetRank() == Chess::Rank("6")) return true;
  if (from->GetRank() == Chess::Rank("4") && to->GetRank() == Chess::Rank("3")) return true;
  return false;
}
ribi::Chess::Move::Move(const std::string& s)
  : m_from(ParseFrom(s)),
    m_is_capture(ParseIsCapture(s)),
    m_is_castling(ParseIsCastling(s)),
    m_is_check(ParseIsCheck(s)),
    m_is_checkmate(ParseIsCheckmate(s)),
    m_is_en_passant(ParseIsEnPassant(s)),
    m_is_promotion(ParseIsPromotion(s)),
    m_piece(ParsePiece(s)),
    m_piece_promotion(ParsePiecePromotion(s)),
    m_score(ParseScore(s)),
    m_str(s),
    m_to(ParseTo(s))
{
  #ifndef NDEBUG
  Test();
  #endif

  if (s.empty()) throw std::logic_error("std::string to parse is empty");
  if (!m_to && !m_is_castling && (!m_score))
  {
    const std::string error = "ribi::Chess::Move::Move exception: m_to not initialized for non-castling non-score move " + s;
    throw std::logic_error(error.c_str());
  }

  #ifndef RIBI_CHESS_ALLOW_SHORT_NOTATION
  if (m_to && !m_from)
  {
    const std::string error = "ribi::Chess::Move::Move exception: if there is a 'to', also supply a 'from' in move " + s;
    throw std::logic_error(error.c_str());
  }
  #endif // RIBI_CHESS_ALLOW_SHORT_NOTATION
  if (!m_piece && !m_is_castling && !m_score)
  {
    const std::string error = "ribi::Chess::Move::Move exception: m_piece not initialized for non-castling non-score move " + s;
    throw std::logic_error(error.c_str());
  }

  if (m_is_en_passant && !m_is_capture) throw std::logic_error("ribi::Chess::Move::Move exception: every en passant capture is a capture");

  if (boost::xpressive::regex_search(s,boost::xpressive::sregex::compile("(e\\.p\\.)")) && !m_is_en_passant)
  {
    const std::string error = "ribi::Chess::Move::Move exception: move is an invalid en passant move: " + s;
    throw std::logic_error(error.c_str());
  }

  if (m_piece)
  {
    if (m_is_castling)
    {
      throw std::logic_error("ribi::Chess::Move::Move exception: m_piece cannot be initialized in a castling move");
    }
    if (m_score) throw std::logic_error("ribi::Chess::Move::Move exception: m_piece cannot be initialized in a score move");
    const bool valid = m_piece->CanDoMove(this);
    if (!valid)
    {
      const std::string t = "Move " + s + " invalid for " + m_piece->GetName();
      throw std::logic_error(t.c_str());
    }
  }
}