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#include <algorithm>
#include <exception>
#include <fstream>
#include <iostream>
#include <sstream>
#include <streambuf>
#include <string>
#include <unordered_map>
#include <vector>
namespace pgnp {
class HalfMove {
private:
/// @brief Recursive dump
void NestedDump(HalfMove *, int);
public:
int count;
bool isBlack;
std::string move;
std::string comment;
HalfMove *MainLine;
std::vector<HalfMove *> variations;
HalfMove();
~HalfMove();
/// @brief Get number of HalfMove in the MailLine
int GetLength();
/// @brief Dump move and all its variations
void Dump();
void Copy(HalfMove* copy);
};
class PGN {
private:
std::unordered_map<std::string, std::string> tags;
std::vector<std::string> tagkeys;
std::string result;
HalfMove *moves;
std::string pgn_content;
public:
~PGN();
void FromFile(std::string);
void FromString(std::string);
bool HasTag(std::string);
/// @brief Perform a Seven Tag Roster compliance check
void STRCheck();
/// @brief Dump parsed PGN
void Dump();
std::vector<std::string> GetTagList();
std::string GetTagValue(std::string);
std::string GetResult();
void GetMoves(HalfMove*);
private:
/// @brief Populate @a tags with by parsing the one starting at location in
/// argument
int ParseNextTag(int);
/// @brief Get the next non-blank char location starting from location in
/// argument
int NextNonBlank(int);
int ParseLine(int, HalfMove *);
};
struct UnexpectedEOF : public std::exception {
const char *what() const throw() { return "Unexpected end of pgn file"; }
};
struct InvalidTagName : public std::exception {
const char *what() const throw() { return "Invalid tag name"; }
};
struct InvalidGameResult : public std::exception {
const char *what() const throw() { return "Invalid game result"; }
};
struct UnexpectedCharacter : public std::exception {
std::string msg;
UnexpectedCharacter(char actual, char required, int loc) {
std::stringstream ss;
ss << "Expected \'" << required << "\' at location " << loc
<< " but read \'" << actual << "\'";
msg = ss.str();
}
const char *what() const throw() { return msg.c_str(); }
};
struct STRCheckFailed : public std::exception {
const char *what() const throw() {
return "Seven Tag Roster compliance check failed";
}
};
} // namespace pgnp
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