Mercurial > hg > dmlib
annotate dmres.c @ 719:eb4bd1f7b679
Sanitize some more includes.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Fri, 19 Apr 2013 19:26:15 +0300 |
| parents | 6e2b53f2878b |
| children | ad3965b93ef1 |
| 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_PACKFS |
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11 #include <zlib.h> |
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12 #endif |
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13 |
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14 #ifdef DM_USE_STDIO |
| 630 | 15 #include <sys/types.h> |
| 16 #include <sys/stat.h> | |
| 17 #include <unistd.h> | |
| 18 #include <dirent.h> | |
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19 #endif |
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20 |
| 0 | 21 |
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22 DMResource *dmres_new(DMResourceLib *lib, const char *filename, int flags, size_t size) |
| 0 | 23 { |
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24 DMResource *node = dmMalloc0(sizeof(DMResource)); |
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25 if (node == NULL) |
| 0 | 26 return NULL; |
| 27 | |
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28 node->lib = lib; |
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29 node->filename = dm_strdup(filename); |
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30 node->flags = flags; |
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31 node->dataSize = size; |
| 0 | 32 |
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33 return node; |
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34 } |
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35 |
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36 |
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37 void dmres_free_res_data(DMResource *node) |
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38 { |
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39 if (node->rdata != NULL && |
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40 node->rops != NULL && |
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41 node->rops->free != NULL) |
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42 { |
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43 node->rops->free(node); |
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44 } |
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45 |
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46 node->rdata = NULL; |
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47 node->flags &= !DMF_LOADED_RES; |
| 0 | 48 } |
| 49 | |
| 50 | |
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51 void dmres_free_raw_data(DMResource *node) |
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52 { |
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53 dmFree(node->data); |
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54 node->data = NULL; |
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55 node->flags &= !DMF_LOADED_RAW; |
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56 } |
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57 |
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58 |
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59 void dmres_purge_raw_data(DMResource *node) |
| 0 | 60 { |
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61 if ((node->flags & DMF_PRELOAD_RAW) == 0 && |
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62 (node->flags & DMF_LOADED_RAW) && |
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63 node->data != NULL) |
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64 dmres_free_raw_data(node); |
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65 } |
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66 |
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67 |
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68 void dmres_free(DMResource *node) |
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69 { |
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70 if (node != NULL) |
| 0 | 71 { |
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72 dmres_free_res_data(node); |
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73 dmres_free_raw_data(node); |
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74 dmFree(node->filename); |
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75 dmFree(node); |
| 0 | 76 } |
| 77 } | |
| 78 | |
| 79 | |
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80 void dmres_insert(DMResourceLib *lib, DMResource * node) |
| 0 | 81 { |
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82 if (lib == NULL || node == NULL) |
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83 return; |
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84 |
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85 node->lib = lib; |
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86 |
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87 if (lib->resources != NULL) |
| 0 | 88 { |
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89 node->prev = lib->resources->prev; |
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90 lib->resources->prev->next = node; |
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91 lib->resources->prev = node; |
| 0 | 92 } |
| 93 else | |
| 94 { | |
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95 lib->resources = node->prev = node; |
| 0 | 96 } |
| 97 | |
| 98 node->next = NULL; | |
| 99 } | |
| 100 | |
| 101 | |
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102 void dmres_delete(DMResourceLib *lib, DMResource * node) |
| 0 | 103 { |
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104 if (lib == NULL) |
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105 return; |
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106 |
| 0 | 107 if (node->prev) |
| 108 node->prev->next = node->next; | |
| 109 | |
| 110 if (node->next) | |
| 111 node->next->prev = node->prev; | |
| 112 else | |
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113 lib->resources->prev = node->prev; |
| 0 | 114 |
| 115 node->prev = node->next = NULL; | |
| 116 } | |
| 117 | |
| 118 | |
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119 DMResource * dmres_find(DMResourceLib *lib, const char *filename) |
| 0 | 120 { |
| 121 DMResource *node, *found = NULL; | |
| 122 | |
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123 if (lib == NULL) |
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124 return NULL; |
| 0 | 125 |
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126 dmMutexLock(lib->mutex); |
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127 |
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128 for (node = lib->resources; node != NULL; node = node->next) |
| 0 | 129 { |
| 130 if (strcmp(node->filename, filename) == 0) | |
| 131 { | |
| 132 found = node; | |
| 133 break; | |
| 134 } | |
| 135 } | |
| 136 | |
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137 dmMutexUnlock(lib->mutex); |
| 0 | 138 |
| 139 return found; | |
| 140 } | |
| 141 | |
| 142 | |
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143 #ifdef DM_USE_STDIO |
| 0 | 144 /* Basic stdio file routines |
| 145 */ | |
| 146 static int dm_stdio_fopen(DMResource *handle) | |
| 147 { | |
| 148 char *rfilename = dm_strdup_printf("%s%s", DMRES_DATA_PATH, handle->filename); | |
| 149 if (rfilename == NULL) | |
| 150 return DMERR_MALLOC; | |
| 151 | |
| 152 handle->fh = fopen(rfilename, "rb"); | |
| 153 dmFree(rfilename); | |
| 154 | |
| 155 handle->error = dmGetErrno(); | |
| 156 return (handle->fh != NULL) ? DMERR_OK : DMERR_FOPEN; | |
| 157 } | |
| 158 | |
| 159 | |
| 160 static void dm_stdio_fclose(DMResource * f) | |
| 161 { | |
| 162 if (f->fh != NULL) | |
| 163 { | |
| 164 fclose(f->fh); | |
| 165 f->fh = NULL; | |
| 166 } | |
| 167 } | |
| 168 | |
| 169 | |
| 170 static int dm_stdio_ferror(DMResource * f) | |
| 171 { | |
| 172 return f->error; | |
| 173 } | |
| 174 | |
| 175 | |
| 176 static int dm_stdio_fseek(DMResource *f, const off_t pos, const int whence) | |
| 177 { | |
| 178 int ret = fseek(f->fh, pos, whence); | |
| 179 f->error = dmGetErrno(); | |
| 180 return ret; | |
| 181 } | |
| 182 | |
| 183 | |
| 184 static off_t dm_stdio_fsize(DMResource *f) | |
| 185 { | |
| 186 off_t savePos, fileSize; | |
| 187 | |
| 188 // Check if the size is cached | |
| 189 if (f->dataSize != 0) | |
| 190 return f->dataSize; | |
| 191 | |
| 192 // Get file size | |
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193 savePos = ftello(f->fh); |
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194 if (fseeko(f->fh, 0L, SEEK_END) != 0) |
| 0 | 195 { |
| 196 f->error = dmGetErrno(); | |
| 197 return -1; | |
| 198 } | |
| 199 | |
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200 fileSize = ftello(f->fh); |
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201 if (fseeko(f->fh, savePos, SEEK_SET) != 0) |
| 0 | 202 { |
| 203 f->error = dmGetErrno(); | |
| 204 return -1; | |
| 205 } | |
| 206 | |
| 207 f->dataSize = fileSize; | |
| 208 return fileSize; | |
| 209 } | |
| 210 | |
| 211 | |
| 212 static off_t dm_stdio_ftell(DMResource * f) | |
| 213 { | |
| 214 return ftell(f->fh); | |
| 215 } | |
| 216 | |
| 217 | |
| 218 static BOOL dm_stdio_feof(DMResource * f) | |
| 219 { | |
| 220 return feof(f->fh); | |
| 221 } | |
| 222 | |
| 223 | |
| 224 static int dm_stdio_fgetc(DMResource * f) | |
| 225 { | |
| 226 int ret = fgetc(f->fh); | |
| 227 f->error = dmGetErrno(); | |
| 228 return ret; | |
| 229 } | |
| 230 | |
| 231 | |
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232 static int dm_stdio_fputc(int v, DMResource * f) |
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233 { |
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234 int ret = fputc(v, f->fh); |
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235 f->error = dmGetErrno(); |
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236 return ret; |
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237 } |
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238 |
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239 |
| 0 | 240 static size_t dm_stdio_fread(void *ptr, size_t size, size_t nmemb, DMResource * f) |
| 241 { | |
| 242 size_t ret = fread(ptr, size, nmemb, f->fh); | |
| 243 f->error = dmGetErrno(); | |
| 244 return ret; | |
| 245 } | |
| 246 | |
| 247 | |
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248 static size_t dm_stdio_fwrite(void *ptr, size_t size, size_t nmemb, DMResource * f) |
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249 { |
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250 size_t ret = fwrite(ptr, size, nmemb, f->fh); |
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251 f->error = dmGetErrno(); |
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252 return ret; |
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253 } |
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254 |
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255 |
| 0 | 256 static int dm_stdio_preload(DMResource *handle) |
| 257 { | |
| 258 int ret = dm_stdio_fopen(handle); | |
| 259 if (ret != DMERR_OK) | |
| 260 return ret; | |
| 261 | |
| 262 dm_stdio_fsize(handle); | |
| 263 | |
| 264 handle->data = dmMalloc(handle->dataSize); | |
| 265 if (handle->data == NULL) | |
| 266 return DMERR_MALLOC; | |
| 267 | |
| 268 if (dm_stdio_fread(handle->data, sizeof(Uint8), handle->dataSize, handle) != handle->dataSize) | |
| 269 return DMERR_FREAD; | |
| 270 | |
| 271 return DMERR_OK; | |
| 272 } | |
| 273 | |
| 274 | |
| 275 DMResourceOps dfStdioFileOps = | |
| 276 { | |
| 277 dm_stdio_ferror, | |
| 278 dm_stdio_fseek, | |
| 279 dm_stdio_fsize, | |
| 280 dm_stdio_ftell, | |
| 281 dm_stdio_feof, | |
| 282 dm_stdio_fgetc, | |
|
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283 dm_stdio_fputc, |
| 0 | 284 dm_stdio_fread, |
|
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285 dm_stdio_fwrite, |
| 0 | 286 |
| 287 dm_stdio_fopen, | |
| 288 dm_stdio_fclose, | |
| 289 dm_stdio_preload | |
| 290 }; | |
| 291 | |
| 292 DMResourceOps dfStdioFHOps = | |
| 293 { | |
| 294 dm_stdio_ferror, | |
| 295 dm_stdio_fseek, | |
| 296 dm_stdio_fsize, | |
| 297 dm_stdio_ftell, | |
| 298 dm_stdio_feof, | |
| 299 dm_stdio_fgetc, | |
|
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300 dm_stdio_fputc, |
| 0 | 301 dm_stdio_fread, |
|
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302 dm_stdio_fwrite, |
| 0 | 303 |
| 304 NULL, | |
| 305 NULL, | |
| 306 NULL | |
| 307 }; | |
| 308 #endif | |
| 309 | |
| 310 | |
| 311 // Some mingw/windows headers define these as macros, which is bad for us | |
| 312 #ifdef __WIN32 | |
| 313 #undef ferror | |
| 314 #undef feof | |
| 315 #endif | |
| 316 | |
| 317 | |
| 318 /* | |
| 319 * PACK file routines | |
| 320 */ | |
|
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321 #ifdef DM_USE_PACKFS |
| 0 | 322 static int dm_pack_preload(DMResource *handle) |
| 323 { | |
| 324 DMPackEntry *node; | |
| 325 int res = DMERR_OK, cres, cdataLeft; | |
| 326 z_stream cstream; | |
| 327 Uint8 * cbuffer = NULL; | |
| 328 | |
|
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329 if (handle->lib == NULL || handle->lib->packFile == NULL) |
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330 return DMERR_NULLPTR; |
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331 |
| 0 | 332 // Search PACK nodelist for file |
|
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333 if ((node = dm_pack_find(handle->lib->packFile->entries, handle->filename)) == NULL) |
| 0 | 334 { |
| 335 dmError("Entry '%s' not found in PACK file.\n", handle->filename); | |
| 336 res = DMERR_NOT_FOUND; | |
| 337 goto error; | |
| 338 } | |
| 339 | |
| 340 // Seek to entry | |
|
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341 if (fseek(handle->lib->packFile->file, node->offset, SEEK_SET) == -1) |
| 0 | 342 { |
| 343 dmError("Could not seek node position in PACK file.\n"); | |
| 344 res = DMERR_FSEEK; | |
| 345 goto error; | |
| 346 } | |
| 347 | |
| 348 // Allocate a structures and buffers | |
| 349 cbuffer = (Uint8 *) dmMalloc(DPACK_TMPSIZE); | |
| 350 if (cbuffer == NULL) | |
| 351 { | |
| 352 res = DMERR_MALLOC; | |
| 353 goto error; | |
| 354 } | |
| 355 | |
| 356 // Initialize fields | |
| 357 handle->dataOffset = 0; | |
| 358 handle->dataSize = node->size; | |
| 359 handle->data = (Uint8 *) dmMalloc(node->size); | |
| 360 if (handle->data == NULL) | |
| 361 { | |
| 362 res = DMERR_MALLOC; | |
| 363 goto error; | |
| 364 } | |
| 365 | |
| 366 // Initialize decompression | |
| 367 cstream.zalloc = (alloc_func) Z_NULL; | |
| 368 cstream.zfree = (free_func) Z_NULL; | |
| 369 cstream.opaque = (voidpf) Z_NULL; | |
| 370 cstream.next_out = handle->data; | |
| 371 cstream.avail_out = handle->dataSize; | |
| 372 cdataLeft = node->length; | |
| 373 cres = inflateInit(&(cstream)); | |
| 374 if (cres != Z_OK) | |
| 375 { | |
| 376 dmError("Could not initialize zlib stream inflation.\n"); | |
| 377 res = DMERR_INIT_FAIL; | |
| 378 goto error; | |
| 379 } | |
| 380 | |
| 381 // Uncompress the data | |
| 382 while (cdataLeft > 0 && | |
| 383 cstream.avail_out > 0 && cres == Z_OK) | |
| 384 { | |
| 385 cstream.avail_in = fread( | |
| 386 cbuffer, sizeof(Uint8), | |
| 387 (cdataLeft >= DPACK_TMPSIZE) ? DPACK_TMPSIZE : cdataLeft, | |
|
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388 handle->lib->packFile->file); |
| 0 | 389 |
| 390 cdataLeft -= cstream.avail_in; | |
| 391 cstream.next_in = cbuffer; | |
| 392 cres = inflate(&cstream, Z_FULL_FLUSH); | |
| 393 } | |
| 394 | |
| 395 // Cleanup | |
| 396 inflateEnd(&(cstream)); | |
| 397 | |
| 398 error: | |
| 399 dmFree(cbuffer); | |
| 400 return res; | |
| 401 } | |
| 402 | |
| 403 | |
|
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404 static void dm_pack_fclose(DMResource * f) |
| 0 | 405 { |
| 406 f->dataSize = 0; | |
| 407 f->dataOffset = 0; | |
| 408 dmFree(f->data); | |
| 409 f->data = NULL; | |
| 410 } | |
|
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411 #endif |
| 0 | 412 |
| 413 | |
| 414 static int dm_mem_ferror(DMResource * f) | |
| 415 { | |
| 416 return f->error; | |
| 417 } | |
| 418 | |
| 419 | |
| 420 static int dm_mem_fseek(DMResource * f, const off_t offset, const int whence) | |
| 421 { | |
| 422 off_t newPos; | |
| 423 | |
| 424 // Calculate the new position | |
| 425 switch (whence) | |
| 426 { | |
| 427 case SEEK_SET: | |
| 428 newPos = offset; | |
| 429 break; | |
| 430 | |
| 431 case SEEK_CUR: | |
| 432 newPos = f->dataOffset + offset; | |
| 433 break; | |
| 434 | |
| 435 case SEEK_END: | |
| 436 newPos = f->dataSize + offset; | |
| 437 break; | |
| 438 | |
| 439 default: | |
| 440 return -1; | |
| 441 } | |
| 442 | |
| 443 // Set the new position | |
| 444 f->dataOffset = newPos; | |
| 445 | |
| 446 // Check the new position | |
| 447 if (newPos < 0 && (size_t) newPos >= f->dataSize) | |
| 448 return -1; | |
| 449 | |
| 450 return 0; | |
| 451 } | |
| 452 | |
| 453 | |
| 454 static off_t dm_mem_fsize(DMResource * f) | |
| 455 { | |
| 456 return f->dataSize; | |
| 457 } | |
| 458 | |
| 459 | |
| 460 static off_t dm_mem_ftell(DMResource * f) | |
| 461 { | |
| 462 return f->dataOffset; | |
| 463 } | |
| 464 | |
| 465 | |
| 466 static BOOL dm_mem_feof(DMResource * f) | |
| 467 { | |
| 468 // Check for EOF | |
| 469 if ((size_t) f->dataOffset <= f->dataSize) | |
| 470 return FALSE; | |
| 471 else | |
| 472 return TRUE; | |
| 473 } | |
| 474 | |
| 475 | |
| 476 static int dm_mem_fgetc(DMResource * f) | |
| 477 { | |
| 478 // Check for EOF | |
| 479 if ((size_t) f->dataOffset < f->dataSize) | |
|
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480 return f->data[f->dataOffset++]; |
| 0 | 481 else |
| 482 return EOF; | |
| 483 } | |
| 484 | |
| 485 | |
| 486 static size_t dm_mem_fread(void *buf, size_t size, size_t nmemb, DMResource * f) | |
| 487 { | |
| 488 size_t length = (size * nmemb); | |
| 489 | |
| 490 // Check if we can read the whole chunk | |
| 491 if (((size_t) f->dataOffset + length) >= f->dataSize) | |
| 492 { | |
| 493 nmemb = (f->dataSize - f->dataOffset) / size; | |
| 494 length = size * nmemb; | |
| 495 } | |
| 496 | |
| 497 memcpy(buf, f->data + f->dataOffset, length); | |
| 498 f->dataOffset += length; | |
| 499 return nmemb; | |
| 500 } | |
| 501 | |
| 502 | |
|
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503 static int dm_mem_fputc(int ch, DMResource * f) |
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504 { |
|
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505 // Check for EOF |
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506 if ((size_t) f->dataOffset < f->dataSize) |
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507 { |
|
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508 f->data[f->dataOffset++] = ch; |
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509 return ch; |
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510 } |
|
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511 else |
|
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512 return EOF; |
|
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|
513 } |
|
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|
514 |
|
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diff
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|
515 |
|
bc1da1f4cb4b
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|
516 static size_t dm_mem_fwrite(void *buf, size_t size, size_t nmemb, DMResource * f) |
|
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517 { |
|
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518 size_t length = (size * nmemb); |
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519 |
|
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520 // Check if we can write the whole chunk |
|
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521 if (((size_t) f->dataOffset + length) >= f->dataSize) |
|
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
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522 { |
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523 nmemb = (f->dataSize - f->dataOffset) / size; |
|
bc1da1f4cb4b
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524 length = size * nmemb; |
|
bc1da1f4cb4b
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|
525 } |
|
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526 |
|
bc1da1f4cb4b
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527 if (length > 0) |
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528 { |
|
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529 memcpy(f->data + f->dataOffset, buf, length); |
|
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530 f->dataOffset += length; |
|
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|
531 } |
|
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|
532 return nmemb; |
|
bc1da1f4cb4b
Implement fwrite and fputc in memio resources. They will only operate on pre-allocated memory area, thus not grow-as-write.
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|
533 } |
|
bc1da1f4cb4b
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|
534 |
|
bc1da1f4cb4b
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|
535 |
|
bc1da1f4cb4b
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|
536 |
|
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537 #ifdef DM_USE_PACKFS |
| 0 | 538 DMResourceOps dfPackFileOps = |
| 539 { | |
| 540 dm_mem_ferror, | |
| 541 dm_mem_fseek, | |
| 542 dm_mem_fsize, | |
| 543 dm_mem_ftell, | |
| 544 dm_mem_feof, | |
| 545 dm_mem_fgetc, | |
|
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546 NULL, |
| 0 | 547 dm_mem_fread, |
|
59
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|
548 NULL, |
| 0 | 549 |
| 550 NULL, | |
|
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551 dm_pack_fclose, |
| 0 | 552 dm_pack_preload |
| 553 }; | |
|
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554 #endif |
| 0 | 555 |
| 556 | |
| 557 DMResourceOps dfMemIOFileOps = | |
| 558 { | |
| 559 dm_mem_ferror, | |
| 560 dm_mem_fseek, | |
| 561 dm_mem_fsize, | |
| 562 dm_mem_ftell, | |
| 563 dm_mem_feof, | |
| 564 dm_mem_fgetc, | |
|
439
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|
565 dm_mem_fputc, |
| 0 | 566 dm_mem_fread, |
|
439
bc1da1f4cb4b
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|
567 dm_mem_fwrite, |
| 0 | 568 |
| 569 NULL, | |
| 570 NULL, | |
| 571 NULL | |
| 572 }; | |
| 573 | |
| 574 | |
| 575 /* FS file handling functions. These functions call the actual | |
| 576 * functions depending on where the file is located. | |
| 577 */ | |
|
603
36b544eb6f4b
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|
578 static void dmf_reset(DMResource *handle) |
|
36b544eb6f4b
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diff
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|
579 { |
|
609
877dba1b8a1f
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Matti Hamalainen <ccr@tnsp.org>
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diff
changeset
|
580 if (handle != NULL && handle->fops != NULL) |
|
603
36b544eb6f4b
Fixes in resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
602
diff
changeset
|
581 dmfseek(handle, 0, SEEK_SET); |
|
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Fixes in resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
602
diff
changeset
|
582 } |
|
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Fixes in resource management.
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parents:
602
diff
changeset
|
583 |
|
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parents:
602
diff
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|
584 |
|
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diff
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|
585 static void dmf_init_fops(DMResource *handle) |
|
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4
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|
586 { |
|
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diff
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|
587 // Check fops |
|
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diff
changeset
|
588 if (handle->fops == NULL) |
|
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|
589 { |
|
124
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114
diff
changeset
|
590 #ifdef DM_USE_PACKFS |
|
359
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|
591 if (handle->lib->flags & DRF_USE_PACK) |
|
26
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4
diff
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|
592 handle->fops = &dfPackFileOps; |
|
613
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
593 |
|
602
c1a5652e473d
Sanitize resource preloading function a bit.
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diff
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|
594 # ifdef DM_USE_STDIO |
|
26
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|
595 else |
|
613
15cd5b8a29b2
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Matti Hamalainen <ccr@tnsp.org>
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609
diff
changeset
|
596 if (handle->lib->flags & DRF_USE_STDIO) |
|
26
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|
597 handle->fops = &dfStdioFileOps; |
|
602
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diff
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|
598 # else |
|
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|
599 handle->fops = &dfPackFileOps; |
|
602
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553
diff
changeset
|
600 # endif |
|
26
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diff
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|
601 #endif |
|
609
877dba1b8a1f
Fix some resource code checks.
Matti Hamalainen <ccr@tnsp.org>
parents:
604
diff
changeset
|
602 |
|
877dba1b8a1f
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Matti Hamalainen <ccr@tnsp.org>
parents:
604
diff
changeset
|
603 dmf_reset(handle); |
|
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|
604 } |
|
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|
605 } |
|
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|
606 |
|
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diff
changeset
|
607 |
|
29
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|
608 int dmf_preload(DMResource *handle) |
|
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|
609 { |
|
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|
610 int ret = DMERR_INIT_FAIL; |
|
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|
611 |
|
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|
612 // Check if we want to preload raw data? |
|
602
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553
diff
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|
613 if ((handle->flags & DMF_PRELOAD_RAW) || |
|
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553
diff
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|
614 (handle->lib->flags & DRF_PRELOAD_ALL)) |
|
29
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|
615 { |
|
602
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|
616 if (handle->flags & DMF_LOADED_RAW) |
|
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|
617 ret = DMERR_OK; |
|
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|
618 else |
|
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553
diff
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|
619 if (handle->fops->preload != NULL) |
|
29
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|
620 { |
|
602
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|
621 ret = handle->fops->preload(handle); |
|
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diff
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|
622 if (ret == DMERR_OK) |
| 604 | 623 { |
|
602
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diff
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|
624 handle->flags |= DMF_LOADED_RAW; |
| 604 | 625 } |
| 627 | 626 dmf_reset(handle); |
|
29
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|
627 } |
|
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|
628 } |
|
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|
629 else |
|
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|
630 { |
|
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|
631 if (handle->fops->fopen != NULL) |
|
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|
632 ret = handle->fops->fopen(handle); |
|
603
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602
diff
changeset
|
633 else |
|
625
e8fc083b7499
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Matti Hamalainen <ccr@tnsp.org>
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613
diff
changeset
|
634 return DMERR_FOPEN; |
|
29
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|
635 } |
|
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diff
changeset
|
636 |
|
625
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parents:
613
diff
changeset
|
637 |
|
29
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27
diff
changeset
|
638 // Check if resource data is to be preloaded |
|
602
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parents:
553
diff
changeset
|
639 if ((handle->flags & DMF_PRELOAD_RES) || (handle->lib->flags & DRF_PRELOAD_RES)) |
|
29
e9f562f07cb0
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parents:
27
diff
changeset
|
640 { |
|
602
c1a5652e473d
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parents:
553
diff
changeset
|
641 if (handle->flags & DMF_LOADED_RES) |
|
c1a5652e473d
Sanitize resource preloading function a bit.
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parents:
553
diff
changeset
|
642 ret = DMERR_OK; |
|
c1a5652e473d
Sanitize resource preloading function a bit.
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parents:
553
diff
changeset
|
643 else |
|
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Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
644 if (handle->rops != NULL && |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
645 handle->rops->load != NULL) |
|
29
e9f562f07cb0
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parents:
27
diff
changeset
|
646 { |
|
602
c1a5652e473d
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Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
647 ret = handle->rops->load(handle); |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
648 if (ret == DMERR_OK) |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
649 { |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
650 // Okay, mark as loaded |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
651 handle->flags |= DMF_LOADED_RES; |
|
29
e9f562f07cb0
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Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
652 |
|
602
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
653 // 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
|
654 if ((handle->flags & DMF_PERSIST) == 0) |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
655 dmres_purge_raw_data(handle); |
|
c1a5652e473d
Sanitize resource preloading function a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
553
diff
changeset
|
656 } |
| 627 | 657 |
| 658 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
|
659 } |
|
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 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
|
663 } |
|
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 |
|
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 |
|
359
59045853853d
Make resource management re-entrant.
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237
diff
changeset
|
666 DMResource *dmf_open(DMResourceLib *lib, const char *filename) |
| 0 | 667 { |
| 668 int ret; | |
| 669 DMResource *handle; | |
| 670 | |
| 671 // Check master directory for resource | |
|
359
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Make resource management re-entrant.
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parents:
237
diff
changeset
|
672 if ((handle = dmres_find(lib, filename)) == NULL) |
| 0 | 673 { |
|
124
d5cfd29c87c4
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Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
674 #ifdef DM_USE_STDIO |
|
613
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
675 if (lib->flags & DRF_USE_STDIO) |
|
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
676 { |
|
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
677 // 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
|
678 handle = dmres_new(lib, filename, 0, 0); |
|
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
679 if (handle == NULL) |
|
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
680 return NULL; |
|
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
681 |
|
15cd5b8a29b2
Add DRF_USE_STDIO flag for resources.
Matti Hamalainen <ccr@tnsp.org>
parents:
609
diff
changeset
|
682 handle->fops = &dfStdioFileOps; |
|
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 else |
| 0 | 685 return NULL; |
| 686 #else | |
| 687 // Stdio not enabled, fail | |
| 688 return NULL; | |
| 689 #endif | |
| 690 } | |
| 691 | |
|
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
|
692 // Initialize file ops |
|
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
693 dmf_init_fops(handle); |
| 0 | 694 |
| 695 // Check if the data is preloaded | |
|
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
696 if (handle->flags & DMF_LOADED_RAW) |
| 0 | 697 { |
| 698 dmres_ref(handle); | |
| 699 return handle; | |
| 700 } | |
| 701 | |
|
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
|
702 // 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
|
703 ret = dmf_preload(handle); |
| 0 | 704 |
| 705 if (ret == DMERR_OK) | |
|
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
706 { |
|
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
707 dmres_ref(handle); |
| 0 | 708 return handle; |
|
26
2f463a59d732
Implement rudimentary resource system.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
709 } |
| 0 | 710 |
| 711 return NULL; | |
| 712 } | |
| 713 | |
| 714 | |
|
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
715 DMResource * dmf_create_memio(DMResourceLib *lib, const char *filename, Uint8 *buf, size_t len) |
| 0 | 716 { |
| 717 DMResource *handle; | |
| 718 | |
| 719 // Check master directory for resource | |
|
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
720 if ((handle = dmres_find(lib, filename)) == NULL) |
| 0 | 721 { |
| 722 // Hmm.. does not exist? Fall back to a stdio file | |
|
359
59045853853d
Make resource management re-entrant.
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parents:
237
diff
changeset
|
723 handle = dmres_new(lib, filename, DMF_LOADED_RAW, len); |
| 0 | 724 if (handle == NULL) |
| 725 return NULL; | |
| 726 | |
| 727 handle->fops = &dfMemIOFileOps; | |
| 728 handle->data = buf; | |
|
359
59045853853d
Make resource management re-entrant.
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parents:
237
diff
changeset
|
729 dmres_insert(lib, handle); |
| 0 | 730 } |
| 731 | |
| 732 // Increase refcount | |
| 733 dmres_ref(handle); | |
| 734 | |
|
603
36b544eb6f4b
Fixes in resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
602
diff
changeset
|
735 dmf_reset(handle); |
| 0 | 736 return handle; |
| 737 } | |
| 738 | |
| 739 | |
|
124
d5cfd29c87c4
Rename some conditional compilation directives.
Matti Hamalainen <ccr@tnsp.org>
parents:
114
diff
changeset
|
740 #ifdef DM_USE_STDIO |
|
74
23ac82365a65
Add file mode to dmf_create_stdio().
Matti Hamalainen <ccr@tnsp.org>
parents:
72
diff
changeset
|
741 DMResource * dmf_create_stdio(const char *filename, const char *mode) |
| 0 | 742 { |
|
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
743 DMResource *handle = dmres_new(NULL, filename, 0, 0); |
| 0 | 744 if (handle == NULL) |
| 745 return NULL; | |
| 746 | |
| 747 handle->fops = &dfStdioFileOps; | |
| 748 | |
|
74
23ac82365a65
Add file mode to dmf_create_stdio().
Matti Hamalainen <ccr@tnsp.org>
parents:
72
diff
changeset
|
749 handle->fh = fopen(filename, mode); |
| 0 | 750 handle->error = dmGetErrno(); |
| 751 | |
| 752 if (handle->fh != NULL) | |
| 753 { | |
| 754 dmres_ref(handle); | |
| 755 return handle; | |
| 756 } | |
| 757 else | |
| 758 { | |
| 759 dmres_free(handle); | |
| 760 return NULL; | |
| 761 } | |
| 762 } | |
| 763 | |
| 764 | |
| 765 DMResource * dmf_create_stdio_stream(FILE *fh) | |
| 766 { | |
|
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
767 DMResource *handle = dmres_new(NULL, "", 0, 0); |
| 0 | 768 if (handle == NULL) |
| 769 return NULL; | |
| 770 | |
| 771 handle->fops = &dfStdioFHOps; | |
| 772 handle->fh = fh; | |
| 773 dmres_ref(handle); | |
| 774 return handle; | |
| 775 } | |
| 776 #endif | |
| 777 | |
| 778 | |
| 779 void dmf_close(DMResource * f) | |
| 780 { | |
| 781 if (f == NULL) | |
| 782 return; | |
| 783 | |
| 784 if (f->fops->fclose != NULL) | |
| 785 f->fops->fclose(f); | |
| 786 | |
| 787 dmres_unref(f); | |
| 788 } | |
| 789 | |
| 790 | |
| 791 int dmferror(DMResource * f) | |
| 792 { | |
| 793 f->atime = time(NULL); | |
| 794 return f->fops->ferror(f); | |
| 795 } | |
| 796 | |
| 797 int dmfseek(DMResource * f, off_t offset, int whence) | |
| 798 { | |
| 799 f->atime = time(NULL); | |
| 800 return f->fops->fseek(f, offset, whence); | |
| 801 } | |
| 802 | |
| 803 off_t dmfsize(DMResource * f) | |
| 804 { | |
| 805 f->atime = time(NULL); | |
| 806 return f->fops->fsize(f); | |
| 807 } | |
| 808 | |
| 809 off_t dmftell(DMResource * f) | |
| 810 { | |
| 811 f->atime = time(NULL); | |
| 812 return f->fops->ftell(f); | |
| 813 } | |
| 814 | |
| 815 BOOL dmfeof(DMResource * f) | |
| 816 { | |
| 817 f->atime = time(NULL); | |
| 818 return f->fops->feof(f); | |
| 819 } | |
| 820 | |
| 821 int dmfgetc(DMResource * f) | |
| 822 { | |
| 823 f->atime = time(NULL); | |
| 824 return f->fops->fgetc(f); | |
| 825 } | |
| 826 | |
|
74
23ac82365a65
Add file mode to dmf_create_stdio().
Matti Hamalainen <ccr@tnsp.org>
parents:
72
diff
changeset
|
827 int dmfputc(int v, DMResource * f) |
|
72
be6160981428
Improve and finish write functions in resource subsystem.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
828 { |
|
be6160981428
Improve and finish write functions in resource subsystem.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
829 f->atime = time(NULL); |
|
be6160981428
Improve and finish write functions in resource subsystem.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
830 return f->fops->fputc(v, f); |
|
be6160981428
Improve and finish write functions in resource subsystem.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
831 } |
|
be6160981428
Improve and finish write functions in resource subsystem.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
832 |
| 0 | 833 size_t dmfread(void *ptr, size_t size, size_t nmemb, DMResource * f) |
| 834 { | |
| 835 f->atime = time(NULL); | |
| 836 return f->fops->fread(ptr, size, nmemb, f); | |
| 837 } | |
| 838 | |
|
72
be6160981428
Improve and finish write functions in resource subsystem.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
839 size_t dmfwrite(void *ptr, size_t size, size_t nmemb, DMResource * f) |
|
be6160981428
Improve and finish write functions in resource subsystem.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
840 { |
|
be6160981428
Improve and finish write functions in resource subsystem.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
841 f->atime = time(NULL); |
|
be6160981428
Improve and finish write functions in resource subsystem.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
842 return f->fops->fwrite(ptr, size, nmemb, f); |
|
be6160981428
Improve and finish write functions in resource subsystem.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
843 } |
|
be6160981428
Improve and finish write functions in resource subsystem.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
844 |
| 235 | 845 char *dmfgets(char *s, int size, DMResource * f) |
| 846 { | |
| 847 char *p = s, c; | |
| 848 int n = 0; | |
| 849 | |
| 850 while ((c = f->fops->fgetc(f)) != EOF) | |
| 851 { | |
|
237
6d9d43bb68eb
Oops, another silly issue in dmfgets().
Matti Hamalainen <ccr@tnsp.org>
parents:
236
diff
changeset
|
852 n++; |
| 235 | 853 if (c == '\n') |
| 854 break; | |
| 855 else | |
| 856 if (n < size - 1) | |
| 857 *p++ = c; | |
| 858 } | |
| 859 *p = 0; | |
| 860 | |
|
236
8189be40ed7c
Oops, dmfgets() had a nasty think-o and counted the remaining buffer space
Matti Hamalainen <ccr@tnsp.org>
parents:
235
diff
changeset
|
861 return (n > 0) ? s : NULL; |
| 235 | 862 } |
| 863 | |
| 864 | |
|
27
21c14afbf63d
Modularize the resource system a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
26
diff
changeset
|
865 int dmres_ref(DMResource *node) |
| 0 | 866 { |
|
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
867 if (node->lib != NULL) dmMutexLock(node->lib->mutex); |
|
27
21c14afbf63d
Modularize the resource system a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
26
diff
changeset
|
868 node->atime = time(NULL); |
|
21c14afbf63d
Modularize the resource system a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
26
diff
changeset
|
869 node->refcount++; |
|
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
870 if (node->lib != NULL) dmMutexUnlock(node->lib->mutex); |
| 0 | 871 |
|
27
21c14afbf63d
Modularize the resource system a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
26
diff
changeset
|
872 return node->refcount; |
| 0 | 873 } |
| 874 | |
| 875 | |
|
27
21c14afbf63d
Modularize the resource system a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
26
diff
changeset
|
876 int dmres_unref(DMResource *node) |
| 0 | 877 { |
|
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
878 if (node->lib != NULL) dmMutexLock(node->lib->mutex); |
|
27
21c14afbf63d
Modularize the resource system a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
26
diff
changeset
|
879 node->refcount--; |
|
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
880 if (node->lib != NULL) dmMutexUnlock(node->lib->mutex); |
| 0 | 881 |
|
27
21c14afbf63d
Modularize the resource system a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
26
diff
changeset
|
882 return node->refcount; |
| 0 | 883 } |
| 884 | |
| 885 | |
|
114
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
886 #define NADDFLAG(flg, ch) \ |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
887 do { \ |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
888 if ((flags & (flg)) && offs < size - 1) \ |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
889 str[offs++] = ch; \ |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
890 } while (0) |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
891 |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
892 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>
parents:
107
diff
changeset
|
893 { |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
894 size_t offs = 0; |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
895 NADDFLAG(DMF_PRELOAD_RAW, 'r'); |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
896 NADDFLAG(DMF_PRELOAD_RES, 'e'); |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
897 NADDFLAG(DMF_PERSIST, 'p'); |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
898 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
changeset
|
899 if (offs < size) |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
900 str[offs] = 0; |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
901 } |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
902 |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
903 #undef NADDFLAG |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
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
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
906 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>
parents:
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 int offs, flags; |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
909 |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
910 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
|
911 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
|
912 { |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
913 case 'r': flags |= DMF_PRELOAD_RAW; break; |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
914 case 'e': flags |= DMF_PRELOAD_RES; break; |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
915 case 'p': flags |= DMF_PERSIST; break; |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
916 case 's': flags |= DMF_STREAM; break; |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
917 } |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
918 return flags; |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
919 } |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
920 |
|
e9de22e5a6d5
Add functions for converting resource flags to symbolic string form and back.
Matti Hamalainen <ccr@tnsp.org>
parents:
107
diff
changeset
|
921 |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
922 #ifdef DM_USE_STDIO |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
923 static int dmres_load_directory(DMResourceLib *lib, const char *path) |
| 0 | 924 { |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
925 int res = DMERR_OK; |
| 630 | 926 struct dirent *dh; |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
927 DIR *hdir = opendir(path); |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
928 if (hdir == NULL) |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
929 return dmGetErrno(); |
| 0 | 930 |
|
359
59045853853d
Make resource management re-entrant.
Matti Hamalainen <ccr@tnsp.org>
parents:
237
diff
changeset
|
931 dmMutexLock(lib->mutex); |
| 0 | 932 |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
933 do |
| 0 | 934 { |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
935 DMResource *node = NULL; |
| 630 | 936 dh = readdir(hdir); |
| 937 if (dh != NULL) | |
| 0 | 938 { |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
939 struct stat sbuf; |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
940 char *fname = dm_strdup_printf("%s/%s", path, dh->d_name); |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
941 if (stat(fname, &sbuf) == -1) |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
942 { |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
943 res = dmGetErrno(); |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
944 dmError("Could not stat() %s, #%d: %s\n", |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
945 fname, res, dmErrorStr(res)); |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
946 dmFree(fname); |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
947 goto out; |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
948 } |
| 0 | 949 |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
950 if (S_ISREG(sbuf.st_mode)) |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
951 node = dmres_new(lib, dh->d_name, 0, sbuf.st_size); |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
952 } |
| 630 | 953 |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
954 if (node != NULL) |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
955 { |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
956 node->fops = &dfStdioFileOps; |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
957 dmres_insert(lib, node); |
|
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
958 } |
| 630 | 959 } while (dh != NULL); |
| 0 | 960 |
|
625
e8fc083b7499
More work on resource management.
Matti Hamalainen <ccr@tnsp.org>
parents:
613
diff
changeset
|
961 out: |
|
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962 dmMutexUnlock(lib->mutex); |
| 0 | 963 |
|
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964 #ifdef __WIN32 |
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965 #else |
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966 closedir(hdir); |
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967 #endif |
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968 |
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969 return res; |
| 0 | 970 } |
|
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971 #endif |
| 0 | 972 |
| 973 | |
| 974 /* Resources subsystem initialization and shutdown routines | |
| 975 */ | |
|
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976 int dmres_init(DMResourceLib **plib, const char *filename, const char *path, const int flags, int (*classifier)(DMResource *)) |
| 0 | 977 { |
|
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978 DMResourceLib *lib; |
|
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979 BOOL initialized = FALSE; |
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980 |
|
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981 // Allocate the resource library structure |
|
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982 if ((*plib = lib = dmMalloc0(sizeof(DMResourceLib))) == NULL) |
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983 return DMERR_MALLOC; |
| 0 | 984 |
|
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985 // Basic data |
|
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986 lib->mutex = dmCreateMutex(); |
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987 lib->flags = flags; |
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988 lib->resPath = dm_strdup((path != NULL) ? path : DMRES_DATA_PATH); |
| 0 | 989 |
| 107 | 990 |
|
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991 #ifdef DM_USE_PACKFS |
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992 if (!initialized && (flags & DRF_USE_PACK)) |
| 0 | 993 { |
| 994 int ret; | |
| 995 DMPackEntry *node; | |
| 996 | |
|
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997 lib->packFilename = dm_strdup((filename != NULL) ? filename : DMRES_DATA_PACK); |
| 0 | 998 |
| 999 // Initialize PACK, open as read-only | |
|
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1000 ret = dm_pack_open(lib->packFilename, &lib->packFile, TRUE); |
| 0 | 1001 if (ret != DMERR_OK) |
| 1002 { | |
|
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1003 if ((flags & DRF_USE_STDIO) == 0) |
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1004 { |
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1005 dmError("Error opening PACK file '%s', #%i: %s\n", |
|
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1006 lib->packFilename, ret, dmErrorStr(ret)); |
| 0 | 1007 |
| 1008 return DMERR_INIT_FAIL; | |
| 1009 } | |
| 1010 } | |
|
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1011 else |
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1012 { |
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1013 // Initialize resources from a PACK file |
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1014 for (node = lib->packFile->entries; node != NULL; node = node->next) |
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1015 { |
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1016 DMResource *res = dmres_new(lib, node->filename, node->resFlags & DMF_MASK, node->size); |
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1017 if (res == NULL) |
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1018 { |
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1019 dmError("Could not allocate memory for resource node '%s' [0x%08x], %d.\n", |
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1020 node->filename, node->resFlags, node->size); |
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1021 return DMERR_INIT_FAIL; |
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1022 } |
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1023 |
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1024 dmres_insert(lib, res); |
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1025 } |
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1026 |
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1027 initialized = TRUE; |
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1028 } |
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1029 } |
| 0 | 1030 #endif |
|
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1031 |
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1032 #ifdef DM_USE_STDIO |
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1033 if (!initialized && (flags & DRF_USE_STDIO)) |
| 0 | 1034 { |
| 1035 // Initialize resources from a resource directory | |
|
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1036 int ret = dmres_load_directory(lib, lib->resPath); |
| 0 | 1037 if (ret != DMERR_OK) |
|
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1038 return ret; |
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1039 initialized = TRUE; |
| 0 | 1040 } |
|
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1041 #endif |
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1042 |
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1043 if (!initialized) |
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1044 return DMERR_INIT_FAIL; |
| 0 | 1045 |
|
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1046 // Okay, classify resources |
|
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1047 if (lib->resources != NULL && classifier != NULL) |
|
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1048 { |
|
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1049 DMResource *node; |
|
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1050 for (node = lib->resources; node != NULL; node = node->next) |
|
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|
1051 { |
|
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1052 int ret = classifier(node); |
|
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1053 if (ret != DMERR_OK) |
| 107 | 1054 return ret; |
|
26
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|
1055 } |
|
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|
1056 } |
| 0 | 1057 |
| 1058 // Initialization complete | |
| 1059 return DMERR_OK; | |
| 1060 } | |
| 1061 | |
| 1062 | |
|
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1063 int dmres_close(DMResourceLib *lib) |
| 0 | 1064 { |
| 1065 DMResource *node; | |
|
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1066 |
|
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1067 if (lib == NULL) |
|
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1068 return DMERR_NULLPTR; |
|
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1069 |
|
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1070 dmMutexLock(lib->mutex); |
| 0 | 1071 |
| 1072 // Shutdown possible subsystems | |
|
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|
1073 #ifdef DM_USE_PACKFS |
|
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1074 if (lib->flags & DRF_USE_PACK) |
| 0 | 1075 { |
|
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1076 int res = dm_pack_close(lib->packFile); |
| 0 | 1077 if (res != DMERR_OK) |
| 1078 { | |
| 1079 dmError("Error closing PACK, #%i: %s\n", | |
| 1080 res, dmErrorStr(res)); | |
| 1081 } | |
| 1082 | |
|
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1083 dmFree(lib->packFilename); |
| 0 | 1084 } |
| 1085 #endif | |
| 1086 | |
| 1087 // Free resource entries | |
|
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1088 node = lib->resources; |
| 0 | 1089 while (node != NULL) |
| 1090 { | |
| 1091 DMResource *next = node->next; | |
| 1092 dmres_free(node); | |
| 1093 node = next; | |
| 1094 } | |
| 1095 | |
| 1096 // Etc. | |
|
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1097 dmFree(lib->resPath); |
|
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1098 dmMutexUnlock(lib->mutex); |
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1099 dmDestroyMutex(lib->mutex); |
|
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1100 return DMERR_OK; |
| 0 | 1101 } |
| 1102 | |
| 1103 | |
|
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1104 int dmres_preload(DMResourceLib *lib, BOOL start, int *loaded, int *total) |
| 0 | 1105 { |
|
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1106 int ret = DMERR_OK; |
| 0 | 1107 |
|
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1108 dmMutexLock(lib->mutex); |
| 0 | 1109 |
|
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1110 // Initialize preloading |
|
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1111 if (lib->preload == NULL || start) |
| 0 | 1112 { |
| 1113 DMResource *node; | |
|
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1114 |
|
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1115 lib->preload = lib->resources; |
| 0 | 1116 *loaded = 0; |
| 1117 *total = 0; | |
|
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1118 |
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1119 // Calculate total number of resources to be preloaded |
|
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1120 for (node = lib->resources; node != NULL; node = node->next) |
| 0 | 1121 { |
|
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1122 if ((lib->flags & (DRF_PRELOAD_ALL | DRF_PRELOAD_RES)) || |
|
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1123 (node->flags & (DMF_PRELOAD_RAW | DMF_PRELOAD_RES))) |
| 0 | 1124 (*total)++; |
| 1125 } | |
| 1126 } | |
|
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1127 else |
|
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1128 if (lib->preload != NULL) |
| 0 | 1129 { |
|
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1130 // Initialize fops and preload |
|
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1131 dmf_init_fops(lib->preload); |
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1132 if ((ret = dmf_preload(lib->preload)) != DMERR_OK) |
|
628
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|
1133 { |
|
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1134 dmError("Error preloading '%s', %d: %s\n", |
|
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1135 lib->preload->filename, ret, dmErrorStr(ret)); |
|
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|
1136 goto error; |
|
628
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1137 } |
|
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|
1138 |
|
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1139 (*loaded)++; |
|
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1140 lib->preload = lib->preload->next; |
| 0 | 1141 } |
| 1142 | |
|
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1143 dmMutexUnlock(lib->mutex); |
|
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1144 return (lib->preload == NULL) ? DMERR_OK : DMERR_PROGRESS; |
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1145 |
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1146 error: |
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1147 dmMutexUnlock(lib->mutex); |
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1148 return ret; |
| 0 | 1149 } |
| 1150 | |
| 1151 | |
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1152 void dmres_prune(DMResourceLib *lib, int agems, int flags) |
| 0 | 1153 { |
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1154 DMResource *node; |
| 0 | 1155 int currtime = time(NULL); |
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1156 dmMutexLock(lib->mutex); |
| 0 | 1157 |
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1158 for (node = lib->resources; node != NULL; node = node->next) |
| 0 | 1159 { |
| 1160 // Check if node has refcount of 0 and is | |
| 1161 // not marked as persistent resource | |
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1162 if (node->refcount == 0 && |
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1163 (node->flags & DMF_PERSIST) == 0 && |
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1164 (node->flags & (DMF_LOADED_RES | DMF_LOADED_RAW))) |
| 0 | 1165 { |
| 1166 // Check if we match either one of atime or mtime | |
| 1167 if (((flags & DMPRUNE_ATIME) && | |
| 1168 currtime - node->atime >= agems) || | |
| 1169 ((flags & DMPRUNE_MTIME) && | |
| 1170 currtime - node->mtime >= agems)) | |
| 1171 { | |
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1172 dmres_free_res_data(node); |
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1173 dmres_free_raw_data(node); |
| 0 | 1174 } |
| 1175 } | |
| 1176 } | |
| 1177 | |
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1178 dmMutexUnlock(lib->mutex); |
| 0 | 1179 } |
| 1180 | |
| 1181 | |
| 1182 /* Helper resource access routines | |
| 1183 */ | |
|
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1184 int dmf_read_str(DMResource *f, void *s, size_t l) |
| 0 | 1185 { |
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1186 return dmfread(s, 1, l, f) == l; |
| 0 | 1187 } |
| 1188 | |
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1189 BOOL dmf_read_byte(DMResource *f, Uint8 *val) |
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1190 { |
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1191 int tmp = dmfgetc(f); |
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1192 *val = tmp; |
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1193 return tmp != EOF; |
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1194 } |
| 0 | 1195 |
| 1196 #define DM_DEFINE_FUNC(xname, xtype, xmacro) \ | |
| 1197 BOOL dmf_read_ ## xname (DMResource *f, xtype *v) { \ | |
| 1198 xtype result; \ | |
| 1199 if (dmfread(&result, sizeof( xtype ), 1, f) != 1) \ | |
| 1200 return FALSE; \ | |
| 1201 *v = DM_ ## xmacro ## _TO_NATIVE (result); \ | |
| 1202 return TRUE; \ | |
| 1203 } | |
| 1204 | |
| 1205 DM_DEFINE_FUNC(le16, Uint16, LE16) | |
| 1206 DM_DEFINE_FUNC(le32, Uint32, LE32) | |
| 1207 | |
| 1208 DM_DEFINE_FUNC(be16, Uint16, BE16) | |
| 1209 DM_DEFINE_FUNC(be32, Uint32, BE32) | |
| 1210 | |
| 1211 #ifdef DM_HAVE_64BIT | |
| 1212 DM_DEFINE_FUNC(le64, Uint64, LE64) | |
| 1213 DM_DEFINE_FUNC(be64, Uint64, BE64) | |
| 1214 #endif |