Mercurial > hg > terminal-chess / file comparison
comparison: src/chess/pgn.c
src/chess/pgn.c
- changeset 142
- 780337e5cf6a
- parent 140
- e92ffe046659
- child 143
- e9159c70ff9e
equal
deleted
inserted
replaced
| 141:0d6bb8b21193 | 142:780337e5cf6a |
|---|---|
| 63 struct pgn_input { | 63 struct pgn_input { |
| 64 union { | 64 union { |
| 65 FILE *f; | 65 FILE *f; |
| 66 const char *s; | 66 const char *s; |
| 67 } data; | 67 } data; |
| 68 union { | 68 int (*getc)(struct pgn_input *); |
| 69 int (*f)(FILE*); | |
| 70 int (*s)(const char*); | |
| 71 } getc; | |
| 72 void (*backc)(struct pgn_input *); | 69 void (*backc)(struct pgn_input *); |
| 73 }; | 70 }; |
| 74 | 71 |
| 75 static int pgngetc(struct pgn_input *pgndata) { | 72 static int pgngetc(struct pgn_input *pgn) { |
| 76 return pgndata->getc.f(pgndata->data.f); | 73 return pgn->getc(pgn); |
| 77 } | 74 } |
| 78 | 75 |
| 79 static void pgnbackc(struct pgn_input *pgndata) { | 76 static void pgnbackc(struct pgn_input *pgn) { |
| 80 pgndata->backc(pgndata); | 77 pgn->backc(pgn); |
| 81 } | 78 } |
| 82 | 79 |
| 83 static void fbackc(struct pgn_input *pgn) { | 80 static int pgnfgetc(struct pgn_input *pgn) { |
| 81 return fgetc(pgn->data.f); | |
| 82 } | |
| 83 | |
| 84 static void pgnfbackc(struct pgn_input *pgn) { | |
| 84 fseek(pgn->data.f, -1, SEEK_CUR); | 85 fseek(pgn->data.f, -1, SEEK_CUR); |
| 85 } | 86 } |
| 86 | 87 |
| 87 static void sbackc(struct pgn_input *pgn) { | 88 static void pgnsbackc(struct pgn_input *pgn) { |
| 88 --(pgn->data.s); | 89 --(pgn->data.s); |
| 89 } | 90 } |
| 90 | 91 |
| 91 static int sgetc(const char *s) { | 92 static int pgnsgetc(struct pgn_input *pgn) { |
| 92 return *s; | 93 int c = *(unsigned char *) pgn->data.s; |
| 94 pgn->data.s++; | |
| 95 return c; | |
| 93 } | 96 } |
| 94 | 97 |
| 95 static int read_pgn_(struct pgn_input pgndata, GameState *gamestate) { | 98 static int read_pgn_(struct pgn_input pgndata, GameState *gamestate) { |
| 96 int c, i; | 99 int c, i; |
| 97 | 100 |
| 231 | 234 |
| 232 int read_pgn(FILE *stream, GameState *gamestate) { | 235 int read_pgn(FILE *stream, GameState *gamestate) { |
| 233 return read_pgn_( | 236 return read_pgn_( |
| 234 (struct pgn_input){ | 237 (struct pgn_input){ |
| 235 {.f = stream}, | 238 {.f = stream}, |
| 236 {.f = fgetc}, | 239 pgnfgetc, |
| 237 fbackc | 240 pgnfbackc |
| 238 }, gamestate); | 241 }, gamestate); |
| 239 } | 242 } |
| 240 | 243 |
| 241 int parse_pgn(const char *data, GameState *gamestate) { | 244 int parse_pgn(const char *data, GameState *gamestate) { |
| 242 return read_pgn_( | 245 return read_pgn_( |
| 243 (struct pgn_input){ | 246 (struct pgn_input){ |
| 244 {.s = data}, | 247 {.s = data}, |
| 245 {.s = sgetc}, | 248 pgnsgetc, |
| 246 sbackc | 249 pgnsbackc |
| 247 }, gamestate); | 250 }, gamestate); |
| 248 } | 251 } |
| 249 | 252 |
| 250 static void pgn_insert_newlines(char *block) { | 253 static void pgn_insert_newlines(char *block) { |
| 251 size_t pos = 0; | 254 size_t pos = 0; |
