Mercurial > hg > dmlib
annotate dmres.c @ 625:e8fc083b7499
More work on resource management.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Mon, 15 Apr 2013 03:26:35 +0300 |
| parents | 15cd5b8a29b2 |
| children | bf8986a6ede1 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 * dmlib | |
| 3 * -- Resource management | |
| 4 * Programmed and designed by Matti 'ccr' Hamalainen | |
| 5 * (C) Copyright 2003-2012 Tecnic Software productions (TNSP) | |
| 6 */ | |
| 7 #include "dmres.h" | |
| 8 #include <time.h> | |
| 9 | |
|
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10 #ifdef DM_USE_STDIO |
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11 # ifdef __WIN32 |
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12 # else |
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13 # include <sys/types.h> |
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14 # include <sys/stat.h> |
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15 # include <unistd.h> |
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16 # include <dirent.h> |
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17 # endif |
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18 #endif |
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19 |
| 0 | 20 |
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21 DMResource *dmres_new(DMResourceLib *lib, const char *filename, int flags, size_t size) |
| 0 | 22 { |
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23 DMResource *node = dmMalloc0(sizeof(DMResource)); |
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24 if (node == NULL) |
| 0 | 25 return NULL; |
| 26 | |
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27 node->lib = lib; |
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28 node->filename = dm_strdup(filename); |
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29 node->flags = flags; |
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30 node->dataSize = size; |
| 0 | 31 |
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32 return node; |
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33 } |
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34 |
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35 |
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36 void dmres_free_res_data(DMResource *node) |
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37 { |
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38 if (node->rdata != NULL && |
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39 node->rops != NULL && |
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40 node->rops->free != NULL) |
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41 { |
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42 node->rops->free(node); |
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43 } |
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44 |
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45 node->rdata = NULL; |
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46 node->flags &= !DMF_LOADED_RES; |
| 0 | 47 } |
| 48 | |
| 49 | |
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50 void dmres_free_raw_data(DMResource *node) |
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51 { |
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52 dmFree(node->data); |
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53 node->data = NULL; |
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54 node->flags &= !DMF_LOADED_RAW; |
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55 } |
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56 |
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57 |
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58 void dmres_purge_raw_data(DMResource *node) |
| 0 | 59 { |
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60 if ((node->flags & DMF_PRELOAD_RAW) == 0 && |
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61 (node->flags & DMF_LOADED_RAW) && |
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62 node->data != NULL) |
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63 dmres_free_raw_data(node); |
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64 } |
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65 |
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66 |
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67 void dmres_free(DMResource *node) |
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68 { |
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69 if (node != NULL) |
| 0 | 70 { |
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71 dmres_free_res_data(node); |
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72 dmres_free_raw_data(node); |
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73 dmFree(node->filename); |
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74 dmFree(node); |
| 0 | 75 } |
| 76 } | |
| 77 | |
| 78 | |
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79 void dmres_insert(DMResourceLib *lib, DMResource * node) |
| 0 | 80 { |
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81 if (lib == NULL || node == NULL) |
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82 return; |
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83 |
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84 node->lib = lib; |
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85 |
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86 if (lib->resources != NULL) |
| 0 | 87 { |
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88 node->prev = lib->resources->prev; |
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89 lib->resources->prev->next = node; |
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90 lib->resources->prev = node; |
| 0 | 91 } |
| 92 else | |
| 93 { | |
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94 lib->resources = node->prev = node; |
| 0 | 95 } |
| 96 | |
| 97 node->next = NULL; | |
| 98 } | |
| 99 | |
| 100 | |
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101 void dmres_delete(DMResourceLib *lib, DMResource * node) |
| 0 | 102 { |
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103 if (lib == NULL) |
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104 return; |
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105 |
| 0 | 106 if (node->prev) |
| 107 node->prev->next = node->next; | |
| 108 | |
| 109 if (node->next) | |
| 110 node->next->prev = node->prev; | |
| 111 else | |
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112 lib->resources->prev = node->prev; |
| 0 | 113 |
| 114 node->prev = node->next = NULL; | |
| 115 } | |
| 116 | |
| 117 | |
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118 DMResource * dmres_find(DMResourceLib *lib, const char *filename) |
| 0 | 119 { |
| 120 DMResource *node, *found = NULL; | |
| 121 | |
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122 if (lib == NULL) |
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123 return NULL; |
| 0 | 124 |
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125 dmMutexLock(lib->mutex); |
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126 |
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127 for (node = lib->resources; node != NULL; node = node->next) |
| 0 | 128 { |
| 129 if (strcmp(node->filename, filename) == 0) | |
| 130 { | |
| 131 found = node; | |
| 132 break; | |
| 133 } | |
| 134 } | |
| 135 | |
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136 dmMutexUnlock(lib->mutex); |
| 0 | 137 |
| 138 return found; | |
| 139 } | |
| 140 | |
| 141 | |
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142 #ifdef DM_USE_STDIO |
| 0 | 143 /* Basic stdio file routines |
| 144 */ | |
| 145 static int dm_stdio_fopen(DMResource *handle) | |
| 146 { | |
| 147 char *rfilename = dm_strdup_printf("%s%s", DMRES_DATA_PATH, handle->filename); | |
| 148 if (rfilename == NULL) | |
| 149 return DMERR_MALLOC; | |
| 150 | |
| 151 handle->fh = fopen(rfilename, "rb"); | |
| 152 dmFree(rfilename); | |
| 153 | |
| 154 handle->error = dmGetErrno(); | |
| 155 return (handle->fh != NULL) ? DMERR_OK : DMERR_FOPEN; | |
| 156 } | |
| 157 | |
| 158 | |
| 159 static void dm_stdio_fclose(DMResource * f) | |
| 160 { | |
| 161 if (f->fh != NULL) | |
| 162 { | |
| 163 fclose(f->fh); | |
| 164 f->fh = NULL; | |
| 165 } | |
| 166 } | |
| 167 | |
| 168 | |
| 169 static int dm_stdio_ferror(DMResource * f) | |
| 170 { | |
| 171 return f->error; | |
| 172 } | |
| 173 | |
| 174 | |
| 175 static int dm_stdio_fseek(DMResource *f, const off_t pos, const int whence) | |
| 176 { | |
| 177 int ret = fseek(f->fh, pos, whence); | |
| 178 f->error = dmGetErrno(); | |
| 179 return ret; | |
| 180 } | |
| 181 | |
| 182 | |
| 183 static off_t dm_stdio_fsize(DMResource *f) | |
| 184 { | |
| 185 off_t savePos, fileSize; | |
| 186 | |
| 187 // Check if the size is cached | |
| 188 if (f->dataSize != 0) | |
| 189 return f->dataSize; | |
| 190 | |
| 191 // Get file size | |
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192 savePos = ftello(f->fh); |
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193 if (fseeko(f->fh, 0L, SEEK_END) != 0) |
| 0 | 194 { |
| 195 f->error = dmGetErrno(); | |
| 196 return -1; | |
| 197 } | |
| 198 | |
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199 fileSize = ftello(f->fh); |
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200 if (fseeko(f->fh, savePos, SEEK_SET) != 0) |
| 0 | 201 { |
| 202 f->error = dmGetErrno(); | |
| 203 return -1; | |
| 204 } | |
| 205 | |
| 206 f->dataSize = fileSize; | |
| 207 return fileSize; | |
| 208 } | |
| 209 | |
| 210 | |
| 211 static off_t dm_stdio_ftell(DMResource * f) | |
| 212 { | |
| 213 return ftell(f->fh); | |
| 214 } | |
| 215 | |
| 216 | |
| 217 static BOOL dm_stdio_feof(DMResource * f) | |
| 218 { | |
| 219 return feof(f->fh); | |
| 220 } | |
| 221 | |
| 222 | |
| 223 static int dm_stdio_fgetc(DMResource * f) | |
| 224 { | |
| 225 int ret = fgetc(f->fh); | |
| 226 f->error = dmGetErrno(); | |
| 227 return ret; | |
| 228 } | |
| 229 | |
| 230 | |
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231 static int dm_stdio_fputc(int v, DMResource * f) |
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232 { |
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233 int ret = fputc(v, f->fh); |
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234 f->error = dmGetErrno(); |
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235 return ret; |
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236 } |
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237 |
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238 |
| 0 | 239 static size_t dm_stdio_fread(void *ptr, size_t size, size_t nmemb, DMResource * f) |
| 240 { | |
| 241 size_t ret = fread(ptr, size, nmemb, f->fh); | |
| 242 f->error = dmGetErrno(); | |
| 243 return ret; | |
| 244 } | |
| 245 | |
| 246 | |
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247 static size_t dm_stdio_fwrite(void *ptr, size_t size, size_t nmemb, DMResource * f) |
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248 { |
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249 size_t ret = fwrite(ptr, size, nmemb, f->fh); |
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250 f->error = dmGetErrno(); |
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251 return ret; |
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252 } |
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253 |
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254 |
| 0 | 255 static int dm_stdio_preload(DMResource *handle) |
| 256 { | |
| 257 int ret = dm_stdio_fopen(handle); | |
| 258 if (ret != DMERR_OK) | |
| 259 return ret; | |
| 260 | |
| 261 dm_stdio_fsize(handle); | |
| 262 | |
| 263 handle->data = dmMalloc(handle->dataSize); | |
| 264 if (handle->data == NULL) | |
| 265 return DMERR_MALLOC; | |
| 266 | |
| 267 if (dm_stdio_fread(handle->data, sizeof(Uint8), handle->dataSize, handle) != handle->dataSize) | |
| 268 return DMERR_FREAD; | |
| 269 | |
| 270 return DMERR_OK; | |
| 271 } | |
| 272 | |
| 273 | |
| 274 DMResourceOps dfStdioFileOps = | |
| 275 { | |
| 276 dm_stdio_ferror, | |
| 277 dm_stdio_fseek, | |
| 278 dm_stdio_fsize, | |
| 279 dm_stdio_ftell, | |
| 280 dm_stdio_feof, | |
| 281 dm_stdio_fgetc, | |
|
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282 dm_stdio_fputc, |
| 0 | 283 dm_stdio_fread, |
|
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284 dm_stdio_fwrite, |
| 0 | 285 |
| 286 dm_stdio_fopen, | |
| 287 dm_stdio_fclose, | |
| 288 dm_stdio_preload | |
| 289 }; | |
| 290 | |
| 291 DMResourceOps dfStdioFHOps = | |
| 292 { | |
| 293 dm_stdio_ferror, | |
| 294 dm_stdio_fseek, | |
| 295 dm_stdio_fsize, | |
| 296 dm_stdio_ftell, | |
| 297 dm_stdio_feof, | |
| 298 dm_stdio_fgetc, | |
|
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299 dm_stdio_fputc, |
| 0 | 300 dm_stdio_fread, |
|
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301 dm_stdio_fwrite, |
| 0 | 302 |
| 303 NULL, | |
| 304 NULL, | |
| 305 NULL | |
| 306 }; | |
| 307 #endif | |
| 308 | |
| 309 | |
| 310 // Some mingw/windows headers define these as macros, which is bad for us | |
| 311 #ifdef __WIN32 | |
| 312 #undef ferror | |
| 313 #undef feof | |
| 314 #endif | |
| 315 | |
| 316 | |
| 317 /* | |
| 318 * PACK file routines | |
| 319 */ | |
|
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320 #ifdef DM_USE_PACKFS |
| 0 | 321 static int dm_pack_preload(DMResource *handle) |
| 322 { | |
| 323 DMPackEntry *node; | |
| 324 int res = DMERR_OK, cres, cdataLeft; | |
| 325 z_stream cstream; | |
| 326 Uint8 * cbuffer = NULL; | |
| 327 | |
|
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328 if (handle->lib == NULL || handle->lib->packFile == NULL) |
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329 return DMERR_NULLPTR; |
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330 |
| 0 | 331 // Search PACK nodelist for file |
|
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332 if ((node = dm_pack_find(handle->lib->packFile->entries, handle->filename)) == NULL) |
| 0 | 333 { |
| 334 dmError("Entry '%s' not found in PACK file.\n", handle->filename); | |
| 335 res = DMERR_NOT_FOUND; | |
| 336 goto error; | |
| 337 } | |
| 338 | |
| 339 // Seek to entry | |
|
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340 if (fseek(handle->lib->packFile->file, node->offset, SEEK_SET) == -1) |
| 0 | 341 { |
| 342 dmError("Could not seek node position in PACK file.\n"); | |
| 343 res = DMERR_FSEEK; | |
| 344 goto error; | |
| 345 } | |
| 346 | |
| 347 // Allocate a structures and buffers | |
| 348 cbuffer = (Uint8 *) dmMalloc(DPACK_TMPSIZE); | |
| 349 if (cbuffer == NULL) | |
| 350 { | |
| 351 res = DMERR_MALLOC; | |
| 352 goto error; | |
| 353 } | |
| 354 | |
| 355 // Initialize fields | |
| 356 handle->dataOffset = 0; | |
| 357 handle->dataSize = node->size; | |
| 358 handle->data = (Uint8 *) dmMalloc(node->size); | |
| 359 if (handle->data == NULL) | |
| 360 { | |
| 361 res = DMERR_MALLOC; | |
| 362 goto error; | |
| 363 } | |
| 364 | |
| 365 // Initialize decompression | |
| 366 cstream.zalloc = (alloc_func) Z_NULL; | |
| 367 cstream.zfree = (free_func) Z_NULL; | |
| 368 cstream.opaque = (voidpf) Z_NULL; | |
| 369 cstream.next_out = handle->data; | |
| 370 cstream.avail_out = handle->dataSize; | |
| 371 cdataLeft = node->length; | |
| 372 cres = inflateInit(&(cstream)); | |
| 373 if (cres != Z_OK) | |
| 374 { | |
| 375 dmError("Could not initialize zlib stream inflation.\n"); | |
| 376 res = DMERR_INIT_FAIL; | |
| 377 goto error; | |
| 378 } | |
| 379 | |
| 380 // Uncompress the data | |
| 381 while (cdataLeft > 0 && | |
| 382 cstream.avail_out > 0 && cres == Z_OK) | |
| 383 { | |
| 384 cstream.avail_in = fread( | |
| 385 cbuffer, sizeof(Uint8), | |
| 386 (cdataLeft >= DPACK_TMPSIZE) ? DPACK_TMPSIZE : cdataLeft, | |
|
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387 handle->lib->packFile->file); |
| 0 | 388 |
| 389 cdataLeft -= cstream.avail_in; | |
| 390 cstream.next_in = cbuffer; | |
| 391 cres = inflate(&cstream, Z_FULL_FLUSH); | |
| 392 } | |
| 393 | |
| 394 // Cleanup | |
| 395 inflateEnd(&(cstream)); | |
| 396 | |
| 397 error: | |
| 398 dmFree(cbuffer); | |
| 399 return res; | |
| 400 } | |
| 401 | |
| 402 | |
|
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403 static void dm_pack_fclose(DMResource * f) |
| 0 | 404 { |
| 405 f->dataSize = 0; | |
| 406 f->dataOffset = 0; | |
| 407 dmFree(f->data); | |
| 408 f->data = NULL; | |
| 409 } | |
|
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410 #endif |
| 0 | 411 |
| 412 | |
| 413 static int dm_mem_ferror(DMResource * f) | |
| 414 { | |
| 415 return f->error; | |
| 416 } | |
| 417 | |
| 418 | |
| 419 static int dm_mem_fseek(DMResource * f, const off_t offset, const int whence) | |
| 420 { | |
| 421 off_t newPos; | |
| 422 | |
| 423 // Calculate the new position | |
| 424 switch (whence) | |
| 425 { | |
| 426 case SEEK_SET: | |
| 427 newPos = offset; | |
| 428 break; | |
| 429 | |
| 430 case SEEK_CUR: | |
| 431 newPos = f->dataOffset + offset; | |
| 432 break; | |
| 433 | |
| 434 case SEEK_END: | |
| 435 newPos = f->dataSize + offset; | |
| 436 break; | |
| 437 | |
| 438 default: | |
| 439 return -1; | |
| 440 } | |
| 441 | |
| 442 // Set the new position | |
| 443 f->dataOffset = newPos; | |
| 444 | |
| 445 // Check the new position | |
| 446 if (newPos < 0 && (size_t) newPos >= f->dataSize) | |
| 447 return -1; | |
| 448 | |
| 449 return 0; | |
| 450 } | |
| 451 | |
| 452 | |
| 453 static off_t dm_mem_fsize(DMResource * f) | |
| 454 { | |
| 455 return f->dataSize; | |
| 456 } | |
| 457 | |
| 458 | |
| 459 static off_t dm_mem_ftell(DMResource * f) | |
| 460 { | |
| 461 return f->dataOffset; | |
| 462 } | |
| 463 | |
| 464 | |
| 465 static BOOL dm_mem_feof(DMResource * f) | |
| 466 { | |
| 467 // Check for EOF | |
| 468 if ((size_t) f->dataOffset <= f->dataSize) | |
| 469 return FALSE; | |
| 470 else | |
| 471 return TRUE; | |
| 472 } | |
| 473 | |
| 474 | |
| 475 static int dm_mem_fgetc(DMResource * f) | |
| 476 { | |
| 477 // Check for EOF | |
| 478 if ((size_t) f->dataOffset < f->dataSize) | |
|
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479 return f->data[f->dataOffset++]; |
| 0 | 480 else |
| 481 return EOF; | |
| 482 } | |
| 483 | |
| 484 | |
| 485 static size_t dm_mem_fread(void *buf, size_t size, size_t nmemb, DMResource * f) | |
| 486 { | |
| 487 size_t length = (size * nmemb); | |
| 488 | |
| 489 // Check if we can read the whole chunk | |
| 490 if (((size_t) f->dataOffset + length) >= f->dataSize) | |
| 491 { | |
| 492 nmemb = (f->dataSize - f->dataOffset) / size; | |
| 493 length = size * nmemb; | |
| 494 } | |
| 495 | |
| 496 memcpy(buf, f->data + f->dataOffset, length); | |
| 497 f->dataOffset += length; | |
| 498 return nmemb; | |
| 499 } | |
| 500 | |
| 501 | |
|
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502 static int dm_mem_fputc(int ch, DMResource * f) |
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503 { |
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504 // Check for EOF |
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505 if ((size_t) f->dataOffset < f->dataSize) |
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506 { |
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507 f->data[f->dataOffset++] = ch; |
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508 return ch; |
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509 } |
|
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510 else |
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|
511 return EOF; |
|
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|
512 } |
|
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|
513 |
|
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diff
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|
514 |
|
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|
515 static size_t dm_mem_fwrite(void *buf, size_t size, size_t nmemb, DMResource * f) |
|
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516 { |
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517 size_t length = (size * nmemb); |
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518 |
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519 // Check if we can write the whole chunk |
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520 if (((size_t) f->dataOffset + length) >= f->dataSize) |
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521 { |
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522 nmemb = (f->dataSize - f->dataOffset) / size; |
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523 length = size * nmemb; |
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524 } |
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525 |
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526 if (length > 0) |
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527 { |
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528 memcpy(f->data + f->dataOffset, buf, length); |
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529 f->dataOffset += length; |
|
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|
530 } |
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|
531 return nmemb; |
|
bc1da1f4cb4b
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|
532 } |
|
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|
533 |
|
bc1da1f4cb4b
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|
534 |
|
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|
535 |
|
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|
536 #ifdef DM_USE_PACKFS |
| 0 | 537 DMResourceOps dfPackFileOps = |
| 538 { | |
| 539 dm_mem_ferror, | |
| 540 dm_mem_fseek, | |
| 541 dm_mem_fsize, | |
| 542 dm_mem_ftell, | |
| 543 dm_mem_feof, | |
| 544 dm_mem_fgetc, | |
|
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545 NULL, |
| 0 | 546 dm_mem_fread, |
|
59
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547 NULL, |
| 0 | 548 |
| 549 NULL, | |
|
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550 dm_pack_fclose, |
| 0 | 551 dm_pack_preload |
| 552 }; | |
|
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553 #endif |
| 0 | 554 |
| 555 | |
| 556 DMResourceOps dfMemIOFileOps = | |
| 557 { | |
| 558 dm_mem_ferror, | |
| 559 dm_mem_fseek, | |
| 560 dm_mem_fsize, | |
| 561 dm_mem_ftell, | |
| 562 dm_mem_feof, | |
| 563 dm_mem_fgetc, | |
|
439
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|
564 dm_mem_fputc, |
| 0 | 565 dm_mem_fread, |
|
439
bc1da1f4cb4b
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|
566 dm_mem_fwrite, |
| 0 | 567 |
| 568 NULL, | |
| 569 NULL, | |
| 570 NULL | |
| 571 }; | |
| 572 | |
| 573 | |
| 574 /* FS file handling functions. These functions call the actual | |
| 575 * functions depending on where the file is located. | |
| 576 */ | |
|
603
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|
577 static void dmf_reset(DMResource *handle) |
|
36b544eb6f4b
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diff
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|
578 { |
|
609
877dba1b8a1f
Fix some resource code checks.
Matti Hamalainen <ccr@tnsp.org>
parents:
604
diff
changeset
|
579 if (handle != NULL && handle->fops != NULL) |
|
603
36b544eb6f4b
Fixes in resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
602
diff
changeset
|
580 dmfseek(handle, 0, SEEK_SET); |
|
36b544eb6f4b
Fixes in resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
602
diff
changeset
|
581 } |
|
36b544eb6f4b
Fixes in resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
602
diff
changeset
|
582 |
|
36b544eb6f4b
Fixes in resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
602
diff
changeset
|
583 |
|
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
584 static void dmf_init_fops(DMResource *handle) |
|
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
585 { |
|
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
586 // Check fops |
|
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
587 if (handle->fops == NULL) |
|
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
588 { |
|
124
d5cfd29c87c4
Rename some conditional compilation directives.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
589 #ifdef DM_USE_PACKFS |
|
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
590 if (handle->lib->flags & DRF_USE_PACK) |
|
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
591 handle->fops = &dfPackFileOps; |
|
613
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
592 |
|
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
593 # ifdef DM_USE_STDIO |
|
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
594 else |
|
613
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
595 if (handle->lib->flags & DRF_USE_STDIO) |
|
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
596 handle->fops = &dfStdioFileOps; |
|
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
597 # else |
|
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
598 handle->fops = &dfPackFileOps; |
|
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
599 # endif |
|
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
600 #endif |
|
609
877dba1b8a1f
Fix some resource code checks.
Matti Hamalainen <ccr@tnsp.org>
parents:
604
diff
changeset
|
601 |
|
877dba1b8a1f
Fix some resource code checks.
Matti Hamalainen <ccr@tnsp.org>
parents:
604
diff
changeset
|
602 dmf_reset(handle); |
|
26
2f463a59d732
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Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
603 } |
|
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
604 } |
|
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
605 |
|
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
606 |
|
29
e9f562f07cb0
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Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
607 int dmf_preload(DMResource *handle) |
|
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
608 { |
|
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
609 int ret = DMERR_INIT_FAIL; |
|
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Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
610 |
|
e9f562f07cb0
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Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
611 // Check if we want to preload raw data? |
|
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
612 if ((handle->flags & DMF_PRELOAD_RAW) || |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
613 (handle->lib->flags & DRF_PRELOAD_ALL)) |
|
29
e9f562f07cb0
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Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
614 { |
|
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
615 if (handle->flags & DMF_LOADED_RAW) |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
616 ret = DMERR_OK; |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
617 else |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
618 if (handle->fops->preload != NULL) |
|
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
619 { |
|
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
620 ret = handle->fops->preload(handle); |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
621 if (ret == DMERR_OK) |
| 604 | 622 { |
|
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
623 handle->flags |= DMF_LOADED_RAW; |
| 604 | 624 } |
|
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
625 } |
|
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
626 } |
|
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
627 else |
|
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
628 { |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
629 if (((handle->flags & DMF_PRELOAD_RES) || (handle->lib->flags & DRF_PRELOAD_RES)) && |
|
e8fc083b7499
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
630 handle->fops->preload != NULL) |
|
e8fc083b7499
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
631 ret = handle->fops->preload(handle); |
|
e8fc083b7499
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
632 else |
|
29
e9f562f07cb0
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Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
633 if (handle->fops->fopen != NULL) |
|
e9f562f07cb0
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Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
634 ret = handle->fops->fopen(handle); |
|
603
36b544eb6f4b
Fixes in resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
602
diff
changeset
|
635 else |
|
625
e8fc083b7499
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
636 return DMERR_FOPEN; |
|
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
637 } |
|
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
638 |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
639 dmf_reset(handle); |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
640 |
|
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
641 // Check if resource data is to be preloaded |
|
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
642 if ((handle->flags & DMF_PRELOAD_RES) || (handle->lib->flags & DRF_PRELOAD_RES)) |
|
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
643 { |
|
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
644 if (handle->flags & DMF_LOADED_RES) |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
645 ret = DMERR_OK; |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
646 else |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
647 if (handle->rops != NULL && |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
648 handle->rops->load != NULL) |
|
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
649 { |
|
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
650 ret = handle->rops->load(handle); |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
651 if (ret == DMERR_OK) |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
652 { |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
653 // Okay, mark as loaded |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
654 handle->flags |= DMF_LOADED_RES; |
|
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
655 |
|
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
656 // Check if we can purge the raw data now |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
657 if ((handle->flags & DMF_PERSIST) == 0) |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
658 dmres_purge_raw_data(handle); |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
659 } |
|
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
660 } |
|
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
661 } |
|
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
662 |
|
603
36b544eb6f4b
Fixes in resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
602
diff
changeset
|
663 dmf_reset(handle); |
|
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
664 return ret; |
|
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
665 } |
|
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
666 |
|
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
667 |
|
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
668 DMResource *dmf_open(DMResourceLib *lib, const char *filename) |
| 0 | 669 { |
| 670 int ret; | |
| 671 DMResource *handle; | |
| 672 | |
| 673 // Check master directory for resource | |
|
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
674 if ((handle = dmres_find(lib, filename)) == NULL) |
| 0 | 675 { |
|
124
d5cfd29c87c4
Rename some conditional compilation directives.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
676 #ifdef DM_USE_STDIO |
|
613
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
677 if (lib->flags & DRF_USE_STDIO) |
|
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
678 { |
|
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
679 // Hmm.. does not exist? Fall back to a stdio file |
|
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
680 handle = dmres_new(lib, filename, 0, 0); |
|
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
681 if (handle == NULL) |
|
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
682 return NULL; |
|
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
683 |
|
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
684 handle->fops = &dfStdioFileOps; |
|
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
685 dmres_insert(lib, handle); |
|
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
686 } |
|
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
687 else |
| 0 | 688 return NULL; |
| 689 #else | |
| 690 // Stdio not enabled, fail | |
| 691 return NULL; | |
| 692 #endif | |
| 693 } | |
| 694 | |
|
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
695 // Initialize file ops |
|
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
696 dmf_init_fops(handle); |
| 0 | 697 |
| 698 // Check if the data is preloaded | |
|
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
699 if (handle->flags & DMF_LOADED_RAW) |
| 0 | 700 { |
| 701 dmres_ref(handle); | |
| 702 return handle; | |
| 703 } | |
| 704 | |
|
29
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
705 // Try preloading |
|
e9f562f07cb0
Modularize some more and fix a nasty bug when raw data is not preloaded but
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
706 ret = dmf_preload(handle); |
| 0 | 707 |
| 708 if (ret == DMERR_OK) | |
|
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
709 { |
|
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
710 dmres_ref(handle); |
| 0 | 711 return handle; |
|
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
712 } |
| 0 | 713 |
| 714 return NULL; | |
| 715 } | |
| 716 | |
| 717 | |
|
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
718 DMResource * dmf_create_memio(DMResourceLib *lib, const char *filename, Uint8 *buf, size_t len) |
| 0 | 719 { |
| 720 DMResource *handle; | |
| 721 | |
| 722 // Check master directory for resource | |
|
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723 if ((handle = dmres_find(lib, filename)) == NULL) |
| 0 | 724 { |
| 725 // Hmm.. does not exist? Fall back to a stdio file | |
|
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|
726 handle = dmres_new(lib, filename, DMF_LOADED_RAW, len); |
| 0 | 727 if (handle == NULL) |
| 728 return NULL; | |
| 729 | |
| 730 handle->fops = &dfMemIOFileOps; | |
| 731 handle->data = buf; | |
|
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|
732 dmres_insert(lib, handle); |
| 0 | 733 } |
| 734 | |
| 735 // Increase refcount | |
| 736 dmres_ref(handle); | |
| 737 | |
|
603
36b544eb6f4b
Fixes in resource management.
Matti Hamalainen <ccr@tnsp.org>
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602
diff
changeset
|
738 dmf_reset(handle); |
| 0 | 739 return handle; |
| 740 } | |
| 741 | |
| 742 | |
|
124
d5cfd29c87c4
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|
743 #ifdef DM_USE_STDIO |
|
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Add file mode to dmf_create_stdio().
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|
744 DMResource * dmf_create_stdio(const char *filename, const char *mode) |
| 0 | 745 { |
|
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|
746 DMResource *handle = dmres_new(NULL, filename, 0, 0); |
| 0 | 747 if (handle == NULL) |
| 748 return NULL; | |
| 749 | |
| 750 handle->fops = &dfStdioFileOps; | |
| 751 | |
|
74
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Add file mode to dmf_create_stdio().
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|
752 handle->fh = fopen(filename, mode); |
| 0 | 753 handle->error = dmGetErrno(); |
| 754 | |
| 755 if (handle->fh != NULL) | |
| 756 { | |
| 757 dmres_ref(handle); | |
| 758 return handle; | |
| 759 } | |
| 760 else | |
| 761 { | |
| 762 dmres_free(handle); | |
| 763 return NULL; | |
| 764 } | |
| 765 } | |
| 766 | |
| 767 | |
| 768 DMResource * dmf_create_stdio_stream(FILE *fh) | |
| 769 { | |
|
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|
770 DMResource *handle = dmres_new(NULL, "", 0, 0); |
| 0 | 771 if (handle == NULL) |
| 772 return NULL; | |
| 773 | |
| 774 handle->fops = &dfStdioFHOps; | |
| 775 handle->fh = fh; | |
| 776 dmres_ref(handle); | |
| 777 return handle; | |
| 778 } | |
| 779 #endif | |
| 780 | |
| 781 | |
| 782 void dmf_close(DMResource * f) | |
| 783 { | |
| 784 if (f == NULL) | |
| 785 return; | |
| 786 | |
| 787 if (f->fops->fclose != NULL) | |
| 788 f->fops->fclose(f); | |
| 789 | |
| 790 dmres_unref(f); | |
| 791 } | |
| 792 | |
| 793 | |
| 794 int dmferror(DMResource * f) | |
| 795 { | |
| 796 f->atime = time(NULL); | |
| 797 return f->fops->ferror(f); | |
| 798 } | |
| 799 | |
| 800 int dmfseek(DMResource * f, off_t offset, int whence) | |
| 801 { | |
| 802 f->atime = time(NULL); | |
| 803 return f->fops->fseek(f, offset, whence); | |
| 804 } | |
| 805 | |
| 806 off_t dmfsize(DMResource * f) | |
| 807 { | |
| 808 f->atime = time(NULL); | |
| 809 return f->fops->fsize(f); | |
| 810 } | |
| 811 | |
| 812 off_t dmftell(DMResource * f) | |
| 813 { | |
| 814 f->atime = time(NULL); | |
| 815 return f->fops->ftell(f); | |
| 816 } | |
| 817 | |
| 818 BOOL dmfeof(DMResource * f) | |
| 819 { | |
| 820 f->atime = time(NULL); | |
| 821 return f->fops->feof(f); | |
| 822 } | |
| 823 | |
| 824 int dmfgetc(DMResource * f) | |
| 825 { | |
| 826 f->atime = time(NULL); | |
| 827 return f->fops->fgetc(f); | |
| 828 } | |
| 829 | |
|
74
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|
830 int dmfputc(int v, DMResource * f) |
|
72
be6160981428
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59
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|
831 { |
|
be6160981428
Improve and finish write functions in resource subsystem.
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|
832 f->atime = time(NULL); |
|
be6160981428
Improve and finish write functions in resource subsystem.
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diff
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|
833 return f->fops->fputc(v, f); |
|
be6160981428
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diff
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|
834 } |
|
be6160981428
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diff
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|
835 |
| 0 | 836 size_t dmfread(void *ptr, size_t size, size_t nmemb, DMResource * f) |
| 837 { | |
| 838 f->atime = time(NULL); | |
| 839 return f->fops->fread(ptr, size, nmemb, f); | |
| 840 } | |
| 841 | |
|
72
be6160981428
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|
842 size_t dmfwrite(void *ptr, size_t size, size_t nmemb, DMResource * f) |
|
be6160981428
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59
diff
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|
843 { |
|
be6160981428
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diff
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|
844 f->atime = time(NULL); |
|
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diff
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|
845 return f->fops->fwrite(ptr, size, nmemb, f); |
|
be6160981428
Improve and finish write functions in resource subsystem.
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59
diff
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|
846 } |
|
be6160981428
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diff
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|
847 |
| 235 | 848 char *dmfgets(char *s, int size, DMResource * f) |
| 849 { | |
| 850 char *p = s, c; | |
| 851 int n = 0; | |
| 852 | |
| 853 while ((c = f->fops->fgetc(f)) != EOF) | |
| 854 { | |
|
237
6d9d43bb68eb
Oops, another silly issue in dmfgets().
Matti Hamalainen <ccr@tnsp.org>
parents:
236
diff
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|
855 n++; |
| 235 | 856 if (c == '\n') |
| 857 break; | |
| 858 else | |
| 859 if (n < size - 1) | |
| 860 *p++ = c; | |
| 861 } | |
| 862 *p = 0; | |
| 863 | |
|
236
8189be40ed7c
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Matti Hamalainen <ccr@tnsp.org>
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235
diff
changeset
|
864 return (n > 0) ? s : NULL; |
| 235 | 865 } |
| 866 | |
| 867 | |
|
27
21c14afbf63d
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Matti Hamalainen <ccr@tnsp.org>
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diff
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|
868 int dmres_ref(DMResource *node) |
| 0 | 869 { |
|
359
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|
870 if (node->lib != NULL) dmMutexLock(node->lib->mutex); |
|
27
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diff
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|
871 node->atime = time(NULL); |
|
21c14afbf63d
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Matti Hamalainen <ccr@tnsp.org>
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diff
changeset
|
872 node->refcount++; |
|
359
59045853853d
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237
diff
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|
873 if (node->lib != NULL) dmMutexUnlock(node->lib->mutex); |
| 0 | 874 |
|
27
21c14afbf63d
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Matti Hamalainen <ccr@tnsp.org>
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diff
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|
875 return node->refcount; |
| 0 | 876 } |
| 877 | |
| 878 | |
|
27
21c14afbf63d
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26
diff
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|
879 int dmres_unref(DMResource *node) |
| 0 | 880 { |
|
359
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diff
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|
881 if (node->lib != NULL) dmMutexLock(node->lib->mutex); |
|
27
21c14afbf63d
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parents:
26
diff
changeset
|
882 node->refcount--; |
|
359
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237
diff
changeset
|
883 if (node->lib != NULL) dmMutexUnlock(node->lib->mutex); |
| 0 | 884 |
|
27
21c14afbf63d
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Matti Hamalainen <ccr@tnsp.org>
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diff
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|
885 return node->refcount; |
| 0 | 886 } |
| 887 | |
| 888 | |
|
114
e9de22e5a6d5
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Matti Hamalainen <ccr@tnsp.org>
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107
diff
changeset
|
889 #define NADDFLAG(flg, ch) \ |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
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|
890 do { \ |
|
e9de22e5a6d5
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Matti Hamalainen <ccr@tnsp.org>
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107
diff
changeset
|
891 if ((flags & (flg)) && offs < size - 1) \ |
|
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Add functions for converting resource flags to symbolic string form and back.
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107
diff
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|
892 str[offs++] = ch; \ |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
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107
diff
changeset
|
893 } while (0) |
|
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Add functions for converting resource flags to symbolic string form and back.
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107
diff
changeset
|
894 |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
895 void dmres_flags_to_symbolic(char *str, size_t size, int flags) |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
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107
diff
changeset
|
896 { |
|
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Matti Hamalainen <ccr@tnsp.org>
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107
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changeset
|
897 size_t offs = 0; |
|
e9de22e5a6d5
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Matti Hamalainen <ccr@tnsp.org>
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107
diff
changeset
|
898 NADDFLAG(DMF_PRELOAD_RAW, 'r'); |
|
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Matti Hamalainen <ccr@tnsp.org>
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107
diff
changeset
|
899 NADDFLAG(DMF_PRELOAD_RES, 'e'); |
|
e9de22e5a6d5
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Matti Hamalainen <ccr@tnsp.org>
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107
diff
changeset
|
900 NADDFLAG(DMF_PERSIST, 'p'); |
|
e9de22e5a6d5
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Matti Hamalainen <ccr@tnsp.org>
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107
diff
changeset
|
901 NADDFLAG(DMF_STREAM, 's'); |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
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|
902 if (offs < size) |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
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107
diff
changeset
|
903 str[offs] = 0; |
|
e9de22e5a6d5
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Matti Hamalainen <ccr@tnsp.org>
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107
diff
changeset
|
904 } |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
905 |
|
e9de22e5a6d5
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Matti Hamalainen <ccr@tnsp.org>
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107
diff
changeset
|
906 #undef NADDFLAG |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
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107
diff
changeset
|
907 |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
908 |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
909 int dmres_symbolic_to_flags(const char *str) |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
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107
diff
changeset
|
910 { |
|
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Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
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107
diff
changeset
|
911 int offs, flags; |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
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107
diff
changeset
|
912 |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
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107
diff
changeset
|
913 for (flags = offs = 0; str[offs]; offs++) |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
914 switch (tolower(str[offs])) |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
915 { |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
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107
diff
changeset
|
916 case 'r': flags |= DMF_PRELOAD_RAW; break; |
|
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changeset
|
917 case 'e': flags |= DMF_PRELOAD_RES; break; |
|
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|
918 case 'p': flags |= DMF_PERSIST; break; |
|
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|
919 case 's': flags |= DMF_STREAM; break; |
|
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changeset
|
920 } |
|
e9de22e5a6d5
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107
diff
changeset
|
921 return flags; |
|
e9de22e5a6d5
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|
922 } |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
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107
diff
changeset
|
923 |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
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107
diff
changeset
|
924 |
|
625
e8fc083b7499
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parents:
613
diff
changeset
|
925 #ifdef DM_USE_STDIO |
|
e8fc083b7499
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
926 static int dmres_load_directory(DMResourceLib *lib, const char *path) |
| 0 | 927 { |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
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613
diff
changeset
|
928 int res = DMERR_OK; |
|
e8fc083b7499
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Matti Hamalainen <ccr@tnsp.org>
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613
diff
changeset
|
929 BOOL done = FALSE; |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
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diff
changeset
|
930 |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
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diff
changeset
|
931 #ifdef __WIN32 |
|
e8fc083b7499
More work on resource management.
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diff
changeset
|
932 #else |
|
e8fc083b7499
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613
diff
changeset
|
933 DIR *hdir = opendir(path); |
|
e8fc083b7499
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Matti Hamalainen <ccr@tnsp.org>
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613
diff
changeset
|
934 if (hdir == NULL) |
|
e8fc083b7499
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parents:
613
diff
changeset
|
935 return dmGetErrno(); |
|
e8fc083b7499
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diff
changeset
|
936 #endif |
| 0 | 937 |
|
359
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diff
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|
938 dmMutexLock(lib->mutex); |
| 0 | 939 |
|
625
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613
diff
changeset
|
940 do |
| 0 | 941 { |
|
625
e8fc083b7499
More work on resource management.
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613
diff
changeset
|
942 DMResource *node = NULL; |
|
e8fc083b7499
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parents:
613
diff
changeset
|
943 #ifdef __WIN32 |
|
e8fc083b7499
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613
diff
changeset
|
944 #else |
|
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Matti Hamalainen <ccr@tnsp.org>
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diff
changeset
|
945 struct dirent *dh = readdir(hdir); |
|
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More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
946 if (dh == NULL) |
|
e8fc083b7499
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
947 done = TRUE; |
|
e8fc083b7499
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Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
948 else |
| 0 | 949 { |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
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613
diff
changeset
|
950 struct stat sbuf; |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
951 char *fname = dm_strdup_printf("%s/%s", path, dh->d_name); |
|
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952 if (stat(fname, &sbuf) == -1) |
|
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|
953 { |
|
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|
954 res = dmGetErrno(); |
|
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diff
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|
955 dmError("Could not stat() %s, #%d: %s\n", |
|
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diff
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|
956 fname, res, dmErrorStr(res)); |
|
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|
957 dmFree(fname); |
|
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|
958 goto out; |
|
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diff
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|
959 } |
| 0 | 960 |
|
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diff
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|
961 if (S_ISREG(sbuf.st_mode)) |
|
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|
962 node = dmres_new(lib, dh->d_name, 0, sbuf.st_size); |
|
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|
963 } |
|
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diff
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|
964 #endif |
|
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diff
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|
965 if (node != NULL) |
|
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diff
changeset
|
966 { |
|
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diff
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|
967 node->fops = &dfStdioFileOps; |
|
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|
968 dmres_insert(lib, node); |
|
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|
969 } |
|
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|
970 } while (!done); |
| 0 | 971 |
|
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|
972 out: |
|
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|
973 dmMutexUnlock(lib->mutex); |
| 0 | 974 |
|
625
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diff
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|
975 #ifdef __WIN32 |
|
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diff
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|
976 #else |
|
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Matti Hamalainen <ccr@tnsp.org>
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diff
changeset
|
977 closedir(hdir); |
|
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diff
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|
978 #endif |
|
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diff
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|
979 |
|
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diff
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|
980 return res; |
| 0 | 981 } |
|
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|
982 #endif |
| 0 | 983 |
| 984 | |
| 985 /* Resources subsystem initialization and shutdown routines | |
| 986 */ | |
|
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|
987 int dmres_init(DMResourceLib **plib, const char *filename, const char *path, const int flags, int (*classifier)(DMResource *)) |
| 0 | 988 { |
|
359
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|
989 DMResourceLib *lib; |
|
625
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|
990 BOOL initialized = FALSE; |
|
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|
991 |
|
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|
992 // Allocate the resource library structure |
|
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237
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|
993 if ((*plib = lib = dmMalloc0(sizeof(DMResourceLib))) == NULL) |
|
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|
994 return DMERR_MALLOC; |
| 0 | 995 |
|
359
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|
996 // Basic data |
|
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|
997 lib->mutex = dmCreateMutex(); |
|
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|
998 lib->flags = flags; |
|
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|
999 lib->resPath = dm_strdup((path != NULL) ? path : DMRES_DATA_PATH); |
| 0 | 1000 |
| 107 | 1001 |
|
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|
1002 #ifdef DM_USE_PACKFS |
|
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|
1003 if (!initialized && (flags & DRF_USE_PACK)) |
| 0 | 1004 { |
| 1005 int ret; | |
| 1006 DMPackEntry *node; | |
| 1007 | |
|
359
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|
1008 lib->packFilename = dm_strdup((filename != NULL) ? filename : DMRES_DATA_PACK); |
| 0 | 1009 |
| 1010 // Initialize PACK, open as read-only | |
|
359
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|
1011 ret = dm_pack_open(lib->packFilename, &lib->packFile, TRUE); |
| 0 | 1012 if (ret != DMERR_OK) |
| 1013 { | |
|
625
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|
1014 if ((flags & DRF_USE_STDIO) == 0) |
|
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|
1015 { |
|
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|
1016 dmError("Error opening PACK file '%s', #%i: %s\n", |
|
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|
1017 lib->packFilename, ret, dmErrorStr(ret)); |
| 0 | 1018 |
| 1019 return DMERR_INIT_FAIL; | |
| 1020 } | |
| 1021 } | |
|
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|
1022 else |
|
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|
1023 { |
|
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|
1024 // Initialize resources from a PACK file |
|
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|
1025 for (node = lib->packFile->entries; node != NULL; node = node->next) |
|
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|
1026 { |
|
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1027 DMResource *res = dmres_new(lib, node->filename, node->resFlags & DMF_MASK, node->size); |
|
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|
1028 if (res == NULL) |
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|
1029 { |
|
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|
1030 dmError("Could not allocate memory for resource node '%s' [0x%08x], %d.\n", |
|
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1031 node->filename, node->resFlags, node->size); |
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|
1032 return DMERR_INIT_FAIL; |
|
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|
1033 } |
|
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|
1034 |
|
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|
1035 dmres_insert(lib, res); |
|
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|
1036 } |
|
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|
1037 |
|
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|
1038 initialized = TRUE; |
|
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|
1039 } |
|
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|
1040 } |
| 0 | 1041 #endif |
|
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|
1042 |
|
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diff
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|
1043 #ifdef DM_USE_STDIO |
|
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|
1044 if (!initialized && (flags & DRF_USE_STDIO)) |
| 0 | 1045 { |
| 1046 // Initialize resources from a resource directory | |
|
625
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|
1047 int ret = dmres_load_directory(lib, lib->resPath); |
| 0 | 1048 if (ret != DMERR_OK) |
|
625
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|
1049 return ret; |
|
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changeset
|
1050 initialized = TRUE; |
| 0 | 1051 } |
|
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parents:
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diff
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|
1052 #endif |
|
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diff
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|
1053 |
|
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diff
changeset
|
1054 if (!initialized) |
|
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|
1055 return DMERR_INIT_FAIL; |
| 0 | 1056 |
|
26
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diff
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|
1057 // Okay, classify resources |
|
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|
1058 if (lib->resources != NULL && classifier != NULL) |
|
26
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diff
changeset
|
1059 { |
|
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diff
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|
1060 DMResource *node; |
|
359
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|
1061 for (node = lib->resources; node != NULL; node = node->next) |
|
26
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diff
changeset
|
1062 { |
|
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parents:
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diff
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|
1063 int ret = classifier(node); |
|
2f463a59d732
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diff
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|
1064 if (ret != DMERR_OK) |
| 107 | 1065 return ret; |
|
26
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diff
changeset
|
1066 } |
|
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diff
changeset
|
1067 } |
| 0 | 1068 |
| 1069 // Initialization complete | |
| 1070 return DMERR_OK; | |
| 1071 } | |
| 1072 | |
| 1073 | |
|
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|
1074 int dmres_close(DMResourceLib *lib) |
| 0 | 1075 { |
| 1076 DMResource *node; | |
|
359
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|
1077 |
|
59045853853d
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1078 if (lib == NULL) |
|
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|
1079 return DMERR_NULLPTR; |
|
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|
1080 |
|
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|
1081 dmMutexLock(lib->mutex); |
| 0 | 1082 |
| 1083 // Shutdown possible subsystems | |
|
124
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|
1084 #ifdef DM_USE_PACKFS |
|
359
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|
1085 if (lib->flags & DRF_USE_PACK) |
| 0 | 1086 { |
|
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|
1087 int res = dm_pack_close(lib->packFile); |
| 0 | 1088 if (res != DMERR_OK) |
| 1089 { | |
| 1090 dmError("Error closing PACK, #%i: %s\n", | |
| 1091 res, dmErrorStr(res)); | |
| 1092 } | |
| 1093 | |
|
359
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|
1094 dmFree(lib->packFilename); |
| 0 | 1095 } |
| 1096 #endif | |
| 1097 | |
| 1098 // Free resource entries | |
|
359
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|
1099 node = lib->resources; |
| 0 | 1100 while (node != NULL) |
| 1101 { | |
| 1102 DMResource *next = node->next; | |
| 1103 dmres_free(node); | |
| 1104 node = next; | |
| 1105 } | |
| 1106 | |
| 1107 // Etc. | |
|
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|
1108 dmFree(lib->resPath); |
|
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|
1109 dmMutexUnlock(lib->mutex); |
|
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|
1110 dmDestroyMutex(lib->mutex); |
|
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|
1111 return DMERR_OK; |
| 0 | 1112 } |
| 1113 | |
| 1114 | |
|
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|
1115 int dmres_preload(DMResourceLib *lib, BOOL start, int *loaded, int *total) |
| 0 | 1116 { |
|
26
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|
1117 int ret = DMERR_OK; |
| 0 | 1118 |
|
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|
1119 dmMutexLock(lib->mutex); |
| 0 | 1120 |
|
26
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|
1121 // Initialize preloading |
|
359
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|
1122 if (lib->preload == NULL || start) |
| 0 | 1123 { |
| 1124 DMResource *node; | |
|
26
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diff
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|
1125 |
|
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|
1126 lib->preload = lib->resources; |
| 0 | 1127 *loaded = 0; |
| 1128 *total = 0; | |
|
26
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diff
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|
1129 |
|
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diff
changeset
|
1130 // Calculate total number of resources to be preloaded |
|
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|
1131 for (node = lib->resources; node != NULL; node = node->next) |
| 0 | 1132 { |
|
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1133 if ((lib->flags & (DRF_PRELOAD_ALL | DRF_PRELOAD_RES)) || |
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1134 (node->flags & (DMF_PRELOAD_RAW | DMF_PRELOAD_RES))) |
| 0 | 1135 (*total)++; |
| 1136 } | |
| 1137 } | |
|
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1138 else |
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1139 if (lib->preload != NULL) |
| 0 | 1140 { |
|
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1141 // Initialize fops and preload |
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1142 dmf_init_fops(lib->preload); |
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1143 if ((ret = dmf_preload(lib->preload)) != DMERR_OK) |
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1144 goto error; |
|
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1145 |
|
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1146 (*loaded)++; |
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1147 lib->preload = lib->preload->next; |
| 0 | 1148 } |
| 1149 | |
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1150 dmMutexUnlock(lib->mutex); |
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1151 return (lib->preload == NULL) ? DMERR_OK : DMERR_PROGRESS; |
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1152 |
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1153 error: |
|
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1154 dmMutexUnlock(lib->mutex); |
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1155 return ret; |
| 0 | 1156 } |
| 1157 | |
| 1158 | |
|
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1159 void dmres_prune(DMResourceLib *lib, int agems, int flags) |
| 0 | 1160 { |
|
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1161 DMResource *node; |
| 0 | 1162 int currtime = time(NULL); |
|
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1163 dmMutexLock(lib->mutex); |
| 0 | 1164 |
|
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1165 for (node = lib->resources; node != NULL; node = node->next) |
| 0 | 1166 { |
| 1167 // Check if node has refcount of 0 and is | |
| 1168 // not marked as persistent resource | |
|
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1169 if (node->refcount == 0 && |
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1170 (node->flags & DMF_PERSIST) == 0 && |
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1171 (node->flags & (DMF_LOADED_RES | DMF_LOADED_RAW))) |
| 0 | 1172 { |
| 1173 // Check if we match either one of atime or mtime | |
| 1174 if (((flags & DMPRUNE_ATIME) && | |
| 1175 currtime - node->atime >= agems) || | |
| 1176 ((flags & DMPRUNE_MTIME) && | |
| 1177 currtime - node->mtime >= agems)) | |
| 1178 { | |
|
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1179 dmres_free_res_data(node); |
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1180 dmres_free_raw_data(node); |
| 0 | 1181 } |
| 1182 } | |
| 1183 } | |
| 1184 | |
|
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1185 dmMutexUnlock(lib->mutex); |
| 0 | 1186 } |
| 1187 | |
| 1188 | |
| 1189 /* Helper resource access routines | |
| 1190 */ | |
|
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1191 int dmf_read_str(DMResource *f, void *s, size_t l) |
| 0 | 1192 { |
|
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1193 return dmfread(s, 1, l, f) == l; |
| 0 | 1194 } |
| 1195 | |
|
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1196 BOOL dmf_read_byte(DMResource *f, Uint8 *val) |
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1197 { |
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1198 int tmp = dmfgetc(f); |
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1199 *val = tmp; |
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1200 return tmp != EOF; |
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1201 } |
| 0 | 1202 |
| 1203 #define DM_DEFINE_FUNC(xname, xtype, xmacro) \ | |
| 1204 BOOL dmf_read_ ## xname (DMResource *f, xtype *v) { \ | |
| 1205 xtype result; \ | |
| 1206 if (dmfread(&result, sizeof( xtype ), 1, f) != 1) \ | |
| 1207 return FALSE; \ | |
| 1208 *v = DM_ ## xmacro ## _TO_NATIVE (result); \ | |
| 1209 return TRUE; \ | |
| 1210 } | |
| 1211 | |
| 1212 DM_DEFINE_FUNC(le16, Uint16, LE16) | |
| 1213 DM_DEFINE_FUNC(le32, Uint32, LE32) | |
| 1214 | |
| 1215 DM_DEFINE_FUNC(be16, Uint16, BE16) | |
| 1216 DM_DEFINE_FUNC(be32, Uint32, BE32) | |
| 1217 | |
| 1218 #ifdef DM_HAVE_64BIT | |
| 1219 DM_DEFINE_FUNC(le64, Uint64, LE64) | |
| 1220 DM_DEFINE_FUNC(be64, Uint64, BE64) | |
| 1221 #endif |