Mercurial > hg > terminal-chess / file comparison
comparison: src/chess/pgn.c
src/chess/pgn.c
- changeset 126
- d58b2abdd330
- parent 121
- 53f714ac783d
equal
deleted
inserted
replaced
| 125:e195652038e0 | 126:d58b2abdd330 |
|---|---|
| 39 pgn_error_missing_quote = 1, | 39 pgn_error_missing_quote = 1, |
| 40 pgn_error_missing_bracket, | 40 pgn_error_missing_bracket, |
| 41 pgn_error_missing_brace, | 41 pgn_error_missing_brace, |
| 42 pgn_error_missing_dot, | 42 pgn_error_missing_dot, |
| 43 pgn_error_move_syntax, | 43 pgn_error_move_syntax, |
| 44 pgn_error_move_semantics | 44 pgn_error_move_semantics, |
| 45 pgn_error_result_syntax, | |
| 45 }; | 46 }; |
| 46 | 47 |
| 47 static const char* pgn_error_strings[] = { | 48 static const char* pgn_error_strings[] = { |
| 48 "No Error.", | 49 "No Error.", |
| 49 "Tag values must be enclosed in double-quotes.", | 50 "Tag values must be enclosed in double-quotes.", |
| 50 "Missing closing brace '}' for comment.", | 51 "Missing closing brace '}' for comment.", |
| 51 "Tags must be enclosed in square brackets: '[Key \"Value\"]'.", | 52 "Tags must be enclosed in square brackets: '[Key \"Value\"]'.", |
| 52 "Move numbers must be terminated with a dot (e.g. '13.' - not '13').", | 53 "Move numbers must be terminated with a dot (e.g. '13.' - not '13').", |
| 53 "Move is syntactically incorrect.", | 54 "Move is syntactically incorrect.", |
| 54 "Move is not valid according to chess rules." | 55 "Move is not valid according to chess rules.", |
| 56 "Result syntax is incorrect. Expected 1-0, 0-1, 1/2-1/2, or *.", | |
| 55 }; | 57 }; |
| 56 | 58 |
| 57 const char* pgn_error_str(int code) { | 59 const char* pgn_error_str(int code) { |
| 58 return pgn_error_strings[code]; | 60 return pgn_error_strings[code]; |
| 59 } | 61 } |
| 95 tagvalue[i] = '\0'; | 97 tagvalue[i] = '\0'; |
| 96 if (fgetc(stream) != ']') { | 98 if (fgetc(stream) != ']') { |
| 97 return pgn_error_missing_bracket; | 99 return pgn_error_missing_bracket; |
| 98 } | 100 } |
| 99 | 101 |
| 102 // TODO: read clock info | |
| 100 if (strcmp("Result", tagkey) == 0) { | 103 if (strcmp("Result", tagkey) == 0) { |
| 104 // TODO: why are we parsing this? it is never used! | |
| 101 memcpy(result, tagvalue, 8); | 105 memcpy(result, tagvalue, 8); |
| 102 } | 106 } |
| 103 } | 107 } |
| 104 | 108 |
| 105 /* read moves */ | 109 /* read moves */ |
| 151 if (c == EOF) { | 155 if (c == EOF) { |
| 152 break; | 156 break; |
| 153 } | 157 } |
| 154 if (c == '1' || c == '0') { | 158 if (c == '1' || c == '0') { |
| 155 c = fgetc(stream); | 159 c = fgetc(stream); |
| 160 // TODO: #842 - allow games to be continued if possible | |
| 156 if (c == '-') { | 161 if (c == '-') { |
| 157 gamestate->resign = !gamestate->checkmate; | 162 if (!gamestate->checkmate) { |
| 163 // TODO: maybe we should not parse this here; | |
| 164 // there is an unused result string from the STR | |
| 165 c = fgetc(stream); | |
| 166 if (c == '1') { | |
| 167 gamestate->wresign = true; | |
| 168 } else if (c == '0') { | |
| 169 gamestate->bresign = true; | |
| 170 } else { | |
| 171 return pgn_error_result_syntax; | |
| 172 } | |
| 173 } | |
| 158 break; | 174 break; |
| 159 } else if (c == '/') { | 175 } else if (c == '/') { |
| 160 gamestate->remis = !gamestate->stalemate; | 176 gamestate->remis = !gamestate->stalemate; |
| 161 break; | 177 break; |
| 162 } else { | 178 } else { |
| 246 fprintf(stream, "[Black \"%s\"]\n", "Anonymous"); | 262 fprintf(stream, "[Black \"%s\"]\n", "Anonymous"); |
| 247 | 263 |
| 248 char *result; | 264 char *result; |
| 249 if (gamestate->stalemate || gamestate->remis) { | 265 if (gamestate->stalemate || gamestate->remis) { |
| 250 result = "1/2-1/2"; | 266 result = "1/2-1/2"; |
| 251 } else if (gamestate->checkmate || gamestate->resign) { | 267 } else if (gamestate->wresign) { |
| 268 result = "0-1"; | |
| 269 } else if (gamestate->bresign) { | |
| 270 result = "1-0"; | |
| 271 } else if (gamestate->checkmate) { | |
| 252 if (gamestate->movecount > 0) { | 272 if (gamestate->movecount > 0) { |
| 253 result = (last_move(gamestate).piece & COLOR_MASK) == WHITE ? | 273 result = (last_move(gamestate).piece & COLOR_MASK) == WHITE ? |
| 254 "1-0" : "0-1"; | 274 "1-0" : "0-1"; |
| 255 } else { | 275 } else { |
| 256 result = "0-1"; | 276 result = "0-1"; |
| 257 } | 277 } |
| 258 } else { | 278 } else { |
| 259 result = "*"; | 279 result = "*"; |
| 260 } | 280 } |
| 261 fprintf(stream, "[Result \"%s\"]\n\n", result); | 281 fprintf(stream, "[Result \"%s\"]\n\n", result); |
| 282 | |
| 283 // TODO: add optional clock info | |
| 262 | 284 |
| 263 /* moves */ | 285 /* moves */ |
| 264 size_t moveblkcap = 4096; | 286 size_t moveblkcap = 4096; |
| 265 char *moveblk = malloc(moveblkcap); | 287 char *moveblk = malloc(moveblkcap); |
| 266 char *moveblkptr = moveblk; | 288 char *moveblkptr = moveblk; |
