src/filefilter.c

   1 /*
   2  * Copyright (C) 2006 John Ellis
   3  * Copyright (C) 2008 - 2016 The Geeqie Team
   4  *
   5  * Author: John Ellis
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include "main.h"
  23 #include "filefilter.h"
  24
  25 #include "cache.h"
  26 #include "misc.h"
  27 #include "secure_save.h"
  28 #include "thumb_standard.h"
  29 #include "ui_fileops.h"
  30 #include "rcfile.h"
  31
  32 /*
  33  *-----------------------------------------------------------------------------
  34  * file filtering
  35  *-----------------------------------------------------------------------------
  36  */
  37
  38 static GList *filter_list = NULL;
  39 static GList *extension_list = NULL;
  40 static GList *sidecar_ext_list = NULL;
  41
  42 static GList *file_class_extension_list[FILE_FORMAT_CLASSES];
  43
  44 static GList *file_writable_list = NULL; /* writable files */
  45 static GList *file_sidecar_list = NULL; /* files with allowed sidecar */
  46
  47
  48 static FilterEntry *filter_entry_new(const gchar *key, const gchar *description,
  49                                      const gchar *extensions, FileFormatClass file_class,
  50                                      gboolean writable, gboolean allow_sidecar, gboolean enabled)
  51 {
  52         FilterEntry *fe;
  53
  54         fe = g_new0(FilterEntry, 1);
  55         fe->key = g_strdup(key);
  56         fe->description = g_strdup(description);
  57         fe->extensions = g_strdup(extensions);
  58         fe->enabled = enabled;
  59         fe->file_class = file_class;
  60         fe->writable = writable;
  61         fe->allow_sidecar = allow_sidecar;
  62
  63         return fe;
  64 }
  65
  66 static void filter_entry_free(FilterEntry *fe)
  67 {
  68         if (!fe) return;
  69
  70         g_free(fe->key);
  71         g_free(fe->description);
  72         g_free(fe->extensions);
  73         g_free(fe);
  74 }
  75
  76 GList *filter_get_list(void)
  77 {
  78         return filter_list;
  79 }
  80
  81 void filter_remove_entry(FilterEntry *fe)
  82 {
  83         if (!g_list_find(filter_list, fe)) return;
  84
  85         filter_list = g_list_remove(filter_list, fe);
  86         filter_entry_free(fe);
  87 }
  88
  89 static FilterEntry *filter_get_by_key(const gchar *key)
  90 {
  91         GList *work;
  92
  93         if (!key) return NULL;
  94
  95         work = filter_list;
  96         while (work)
  97                 {
  98                 FilterEntry *fe = work->data;
  99                 work = work->next;
 100
 101                 if (strcmp(fe->key, key) == 0) return fe;
 102                 }
 103
 104         return NULL;
 105 }
 106
 107 static gboolean filter_key_exists(const gchar *key)
 108 {
 109         return (filter_get_by_key(key) != NULL);
 110 }
 111
 112 void filter_add(const gchar *key, const gchar *description, const gchar *extensions, FileFormatClass file_class, gboolean writable, gboolean allow_sidecar, gboolean enabled)
 113 {
 114         filter_list = g_list_append(filter_list, filter_entry_new(key, description, extensions, file_class, writable, allow_sidecar, enabled));
 115 }
 116
 117 void filter_add_unique(const gchar *description, const gchar *extensions, FileFormatClass file_class, gboolean writable, gboolean allow_sidecar, gboolean enabled)
 118 {
 119         gchar *key;
 120         guint n;
 121
 122         key = g_strdup("user0");
 123         n = 1;
 124         while (filter_key_exists(key))
 125                 {
 126                 g_free(key);
 127                 if (n > 999) return;
 128                 key = g_strdup_printf("user%d", n);
 129                 n++;
 130                 }
 131
 132         filter_add(key, description, extensions, file_class, writable, allow_sidecar, enabled);
 133         g_free(key);
 134 }
 135
 136 static void filter_add_if_missing(const gchar *key, const gchar *description, const gchar *extensions, FileFormatClass file_class, gboolean writable, gboolean allow_sidecar, gboolean enabled)
 137 {
 138         GList *work;
 139
 140         if (!key) return;
 141
 142         work = filter_list;
 143         while (work)
 144                 {
 145                 FilterEntry *fe = work->data;
 146                 work = work->next;
 147                 if (fe->key && strcmp(fe->key, key) == 0)
 148                         {
 149                         if (fe->file_class == FORMAT_CLASS_UNKNOWN)
 150                                 fe->file_class = file_class;    /* for compatibility */
 151
 152                         if (fe->writable && fe->allow_sidecar)
 153                                 {
 154                                 fe->writable = writable;
 155                                 fe->allow_sidecar = allow_sidecar;
 156                                 }
 157                         return;
 158                         }
 159                 }
 160
 161         filter_add(key, description, extensions, file_class, writable, allow_sidecar, enabled);
 162 }
 163
 164 void filter_reset(void)
 165 {
 166         GList *work;
 167
 168         work = filter_list;
 169         while (work)
 170                 {
 171                 FilterEntry *fe = work->data;
 172                 work = work->next;
 173                 filter_entry_free(fe);
 174                 }
 175
 176         g_list_free(filter_list);
 177         filter_list = NULL;
 178 }
 179
 180 void filter_add_defaults(void)
 181 {
 182         GSList *list, *work;
 183
 184         list = gdk_pixbuf_get_formats();
 185         work = list;
 186         while (work)
 187                 {
 188                 GdkPixbufFormat *format;
 189                 gchar *name;
 190                 gchar *desc;
 191                 gchar **extensions;
 192                 GString *filter = NULL;
 193                 guint i;
 194
 195                 format = work->data;
 196                 work = work->next;
 197
 198                 name = gdk_pixbuf_format_get_name(format);
 199
 200                 if (strcmp(name, "Digital camera RAW") == 0)
 201                         {
 202                         DEBUG_1("Skipped '%s' from loader", name);
 203                         g_free(name);
 204                         continue;
 205                         }
 206
 207                 desc = gdk_pixbuf_format_get_description(format);
 208                 extensions = gdk_pixbuf_format_get_extensions(format);
 209
 210                 i = 0;
 211                 while (extensions[i])
 212                         {
 213                         if (!filter)
 214                                 {
 215                                 filter = g_string_new(".");
 216                                 filter = g_string_append(filter, extensions[i]);
 217                                 }
 218                         else
 219                                 {
 220                                 filter = g_string_append(filter, ";.");
 221                                 filter = g_string_append(filter, extensions[i]);
 222                                 }
 223                         i++;
 224                         }
 225
 226                 DEBUG_1("loader reported [%s] [%s] [%s]", name, desc, filter->str);
 227
 228                 filter_add_if_missing(name, desc, filter->str, FORMAT_CLASS_IMAGE, TRUE, FALSE, TRUE);
 229
 230                 g_free(name);
 231                 g_free(desc);
 232                 g_strfreev(extensions);
 233                 g_string_free(filter, TRUE);
 234                 }
 235         g_slist_free(list);
 236
 237         /* add defaults even if gdk-pixbuf does not have them, but disabled */
 238         filter_add_if_missing("jpeg", "JPEG group", ".jpg;.jpeg;.jpe", FORMAT_CLASS_IMAGE, TRUE, FALSE, FALSE);
 239         filter_add_if_missing("png", "Portable Network Graphic", ".png", FORMAT_CLASS_IMAGE, TRUE, FALSE, FALSE);
 240         filter_add_if_missing("tiff", "Tiff", ".tif;.tiff", FORMAT_CLASS_IMAGE, TRUE, FALSE, FALSE);
 241         filter_add_if_missing("pnm", "Packed Pixel formats", ".pbm;.pgm;.pnm;.ppm", FORMAT_CLASS_IMAGE, TRUE, FALSE, FALSE);
 242         filter_add_if_missing("gif", "Graphics Interchange Format", ".gif", FORMAT_CLASS_IMAGE, TRUE, FALSE, FALSE);
 243         filter_add_if_missing("xbm", "X bitmap", ".xbm", FORMAT_CLASS_IMAGE, TRUE, FALSE, FALSE);
 244         filter_add_if_missing("xpm", "X pixmap", ".xpm", FORMAT_CLASS_IMAGE, TRUE, FALSE, FALSE);
 245         filter_add_if_missing("bmp", "Bitmap", ".bmp", FORMAT_CLASS_IMAGE, TRUE, FALSE, FALSE);
 246         filter_add_if_missing("ico", "Icon file", ".ico;.cur", FORMAT_CLASS_IMAGE, TRUE, FALSE, FALSE);
 247         filter_add_if_missing("ras", "Raster", ".ras", FORMAT_CLASS_IMAGE, TRUE, FALSE, FALSE);
 248         filter_add_if_missing("svg", "Scalable Vector Graphics", ".svg", FORMAT_CLASS_IMAGE, TRUE, FALSE, FALSE);
 249
 250         /* special formats for stereo */
 251         filter_add_if_missing("jps", "Stereo side-by-side jpeg", ".jps", FORMAT_CLASS_IMAGE, TRUE, FALSE, TRUE);
 252         filter_add_if_missing("mpo", "Stereo multi-image jpeg", ".mpo", FORMAT_CLASS_IMAGE, FALSE, TRUE, TRUE);
 253
 254         /* non-image files that might be desirable to show */
 255         filter_add_if_missing("xmp", "XMP sidecar", ".xmp", FORMAT_CLASS_META, TRUE, FALSE, TRUE);
 256         filter_add_if_missing("meta", "GQview legacy metadata", GQ_CACHE_EXT_METADATA, FORMAT_CLASS_META, TRUE, FALSE, TRUE);
 257         filter_add_if_missing("gqv", GQ_APPNAME " image collection", GQ_COLLECTION_EXT, FORMAT_CLASS_COLLECTION, FALSE, FALSE, TRUE);
 258         filter_add_if_missing("pto", "Panorama script file", ".pto", FORMAT_CLASS_META, FALSE, FALSE, TRUE);
 259
 260         /* These are the raw camera formats with embedded jpeg/exif.
 261          * (see format_raw.c and/or exiv2.cc)
 262          */
 263         filter_add_if_missing("arw", "Sony raw format", ".arw;.srf;.sr2", FORMAT_CLASS_RAWIMAGE, FALSE, TRUE, TRUE);
 264         filter_add_if_missing("crw", "Canon raw format", ".crw;.cr2", FORMAT_CLASS_RAWIMAGE, FALSE, TRUE, TRUE);
 265         filter_add_if_missing("cr3", "Canon raw format", ".cr3", FORMAT_CLASS_RAWIMAGE, FALSE, TRUE, TRUE);
 266         filter_add_if_missing("kdc", "Kodak raw format", ".kdc;.dcr;.k25", FORMAT_CLASS_RAWIMAGE, FALSE, TRUE, TRUE);
 267         filter_add_if_missing("raf", "Fujifilm raw format", ".raf", FORMAT_CLASS_RAWIMAGE, FALSE, TRUE, TRUE);
 268         filter_add_if_missing("mef", "Mamiya raw format", ".mef;.mos", FORMAT_CLASS_RAWIMAGE, FALSE, TRUE, TRUE);
 269         filter_add_if_missing("mrw", "Minolta raw format", ".mrw", FORMAT_CLASS_RAWIMAGE, FALSE, TRUE, TRUE);
 270         filter_add_if_missing("nef", "Nikon raw format", ".nef", FORMAT_CLASS_RAWIMAGE, FALSE, TRUE, TRUE);
 271         filter_add_if_missing("orf", "Olympus raw format", ".orf", FORMAT_CLASS_RAWIMAGE, FALSE, TRUE, TRUE);
 272         filter_add_if_missing("pef", "Pentax or Samsung raw format", ".pef;.ptx", FORMAT_CLASS_RAWIMAGE, FALSE, TRUE, TRUE);
 273         filter_add_if_missing("dng", "Adobe Digital Negative raw format", ".dng", FORMAT_CLASS_RAWIMAGE, FALSE, TRUE, TRUE);
 274         filter_add_if_missing("x3f", "Sigma raw format", ".x3f", FORMAT_CLASS_RAWIMAGE, FALSE, TRUE, TRUE);
 275         filter_add_if_missing("raw", "Panasonic raw format", ".raw", FORMAT_CLASS_RAWIMAGE, FALSE, TRUE, TRUE);
 276         filter_add_if_missing("r3d", "Red raw format", ".r3d", FORMAT_CLASS_RAWIMAGE, FALSE, TRUE, TRUE);
 277         filter_add_if_missing("3fr", "Hasselblad raw format", ".3fr", FORMAT_CLASS_RAWIMAGE, FALSE, TRUE, TRUE);
 278         filter_add_if_missing("erf", "Epson raw format", ".erf", FORMAT_CLASS_RAWIMAGE, FALSE, TRUE, TRUE);
 279         filter_add_if_missing("srw", "Samsung raw format", ".srw", FORMAT_CLASS_RAWIMAGE, FALSE, TRUE, TRUE);
 280         filter_add_if_missing("rw2", "Panasonic raw format", ".rw2", FORMAT_CLASS_RAWIMAGE, FALSE, TRUE, TRUE);
 281
 282         /* video files */
 283         filter_add_if_missing("mp4", "MP4 video file", ".mp4;.m4v;.3gp;.3g2", FORMAT_CLASS_VIDEO, FALSE, FALSE, FALSE);
 284         filter_add_if_missing("3gp", "3GP video file", ".3gp;.3g2", FORMAT_CLASS_VIDEO, FALSE, FALSE, FALSE);
 285         filter_add_if_missing("mov", "MOV video file", ".mov;.qt", FORMAT_CLASS_VIDEO, FALSE, FALSE, FALSE);
 286         filter_add_if_missing("avi", "AVI video file", ".avi", FORMAT_CLASS_VIDEO, FALSE, FALSE, FALSE);
 287         filter_add_if_missing("mpg", "MPG video file", ".mpg;.mpeg;.mts;.m2ts", FORMAT_CLASS_VIDEO, FALSE, FALSE, FALSE);
 288         filter_add_if_missing("mkv", "Matroska video file", ".mkv;.webm", FORMAT_CLASS_VIDEO, FALSE, FALSE, FALSE);
 289         filter_add_if_missing("wmv", "Windows Media Video file", ".wmv;.asf", FORMAT_CLASS_VIDEO, FALSE, FALSE, FALSE);
 290         filter_add_if_missing("flv", "Flash Video file", ".flv", FORMAT_CLASS_VIDEO, FALSE, FALSE, FALSE);
 291
 292         /* other supported formats */
 293         filter_add_if_missing("dds", "DirectDraw Surface", ".dds", FORMAT_CLASS_IMAGE, FALSE, FALSE, TRUE);
 294 #ifdef HAVE_PDF
 295         filter_add_if_missing("pdf", "Portable Document Format", ".pdf", FORMAT_CLASS_DOCUMENT, FALSE, FALSE, TRUE);
 296 #endif
 297 #ifdef HAVE_HEIF
 298         filter_add_if_missing("HEIF", "HEIF Format", ".heic;.heif", FORMAT_CLASS_IMAGE, FALSE, FALSE, TRUE);
 299         filter_add_if_missing("AVIF", "AVIF Format", ".avif", FORMAT_CLASS_IMAGE, FALSE, FALSE, TRUE);
 300 #endif
 301 #ifdef HAVE_WEBP
 302         filter_add_if_missing("webp", "WebP Format", ".webp", FORMAT_CLASS_IMAGE, FALSE, FALSE, TRUE);
 303 #endif
 304 #ifdef HAVE_DJVU
 305         filter_add_if_missing("djvu", "DjVu Format", ".djvu;.djv", FORMAT_CLASS_DOCUMENT, FALSE, FALSE, TRUE);
 306 #endif
 307 #ifdef HAVE_J2K
 308         filter_add_if_missing("jp2", "JPEG 2000", ".jp2", FORMAT_CLASS_IMAGE, FALSE, FALSE, TRUE);
 309 #endif
 310 #ifdef HAVE_ARCHIVE
 311         filter_add_if_missing("zip", "Archive files", ".zip;.rar;.tar;.tar.gz;.tar.bz2;.tar.xz;.tgz;.tbz;.txz;.cbr;.cbz;.gz;.bz2;.xz;.lzh;.lza;.7z", FORMAT_CLASS_ARCHIVE, FALSE, FALSE, TRUE);
 312 #endif
 313         filter_add_if_missing("scr", "ZX Spectrum screen Format", ".scr", FORMAT_CLASS_IMAGE, FALSE, FALSE, TRUE);
 314         filter_add_if_missing("psd", "Adobe Photoshop Document", ".psd", FORMAT_CLASS_IMAGE, FALSE, FALSE, TRUE);
 315         filter_add_if_missing("apng", "Animated Portable Network Graphic", ".apng", FORMAT_CLASS_IMAGE, FALSE, FALSE, TRUE);
 316 }
 317
 318 GList *filter_to_list(const gchar *extensions)
 319 {
 320         GList *list = NULL;
 321         const gchar *p;
 322
 323         if (!extensions) return NULL;
 324
 325         p = extensions;
 326         while (*p != '\0')
 327                 {
 328                 const gchar *b;
 329                 gchar *ext;
 330                 gint file_class = -1;
 331                 guint l = 0;
 332
 333                 b = p;
 334                 while (*p != '\0' && *p != ';')
 335                         {
 336                         p++;
 337                         l++;
 338                         }
 339
 340                 ext = g_strndup(b, l);
 341
 342                 if (g_ascii_strcasecmp(ext, "%image") == 0) file_class = FORMAT_CLASS_IMAGE;
 343                 else if (g_ascii_strcasecmp(ext, "%raw") == 0) file_class = FORMAT_CLASS_RAWIMAGE;
 344                 else if (g_ascii_strcasecmp(ext, "%meta") == 0) file_class = FORMAT_CLASS_META;
 345                 else if (g_ascii_strcasecmp(ext, "%unknown") == 0) file_class = FORMAT_CLASS_UNKNOWN;
 346
 347                 if (file_class == -1)
 348                         {
 349                         list = g_list_append(list, ext);
 350                         }
 351                 else
 352                         {
 353                         list = g_list_concat(list, string_list_copy(file_class_extension_list[file_class]));
 354                         g_free(ext);
 355                         }
 356
 357                 if (*p == ';') p++;
 358                 }
 359
 360         return list;
 361 }
 362
 363 static gint filter_sort_ext_len_cb(gconstpointer a, gconstpointer b)
 364 {
 365         gchar *sa = (gchar *)a;
 366         gchar *sb = (gchar *)b;
 367
 368         gint len_a = strlen(sa);
 369         gint len_b = strlen(sb);
 370
 371         if (len_a > len_b) return -1;
 372         if (len_a < len_b) return 1;
 373         return 0;
 374 }
 375
 376
 377 void filter_rebuild(void)
 378 {
 379         GList *work;
 380         guint i;
 381
 382         string_list_free(extension_list);
 383         extension_list = NULL;
 384
 385         string_list_free(file_writable_list);
 386         file_writable_list = NULL;
 387
 388         string_list_free(file_sidecar_list);
 389         file_sidecar_list = NULL;
 390
 391         for (i = 0; i < FILE_FORMAT_CLASSES; i++)
 392                 {
 393                 string_list_free(file_class_extension_list[i]);
 394                 file_class_extension_list[i] = NULL;
 395                 }
 396
 397         work = filter_list;
 398         while (work)
 399                 {
 400                 FilterEntry *fe;
 401
 402                 fe = work->data;
 403                 work = work->next;
 404
 405                 if (fe->enabled)
 406                         {
 407                         GList *ext;
 408
 409                         ext = filter_to_list(fe->extensions);
 410                         if (ext) extension_list = g_list_concat(extension_list, ext);
 411
 412                         if (fe->file_class < FILE_FORMAT_CLASSES)
 413                                 {
 414                                 ext = filter_to_list(fe->extensions);
 415                                 if (ext) file_class_extension_list[fe->file_class] = g_list_concat(file_class_extension_list[fe->file_class], ext);
 416                                 }
 417                         else
 418                                 {
 419                                 log_printf("WARNING: invalid file class %d\n", fe->file_class);
 420                                 }
 421
 422                         if (fe->writable)
 423                                 {
 424                                 ext = filter_to_list(fe->extensions);
 425                                 if (ext) file_writable_list = g_list_concat(file_writable_list, ext);
 426                                 }
 427
 428                         if (fe->allow_sidecar)
 429                                 {
 430                                 ext = filter_to_list(fe->extensions);
 431                                 if (ext) file_sidecar_list = g_list_concat(file_sidecar_list, ext);
 432                                 }
 433
 434                         }
 435                 }
 436
 437         /* make sure registered_extension_from_path finds the longer match first */
 438         extension_list = g_list_sort(extension_list, filter_sort_ext_len_cb);
 439         sidecar_ext_parse(options->sidecar.ext); /* this must be updated after changed file extensions */
 440 }
 441
 442 /* return the extension part of the name or NULL */
 443 static const gchar *filter_name_find(GList *filter, const gchar *name)
 444 {
 445         GList *work;
 446         guint ln;
 447
 448         ln = strlen(name);
 449         work = filter;
 450         while (work)
 451                 {
 452                 gchar *filter = work->data;
 453                 guint lf = strlen(filter);
 454
 455                 if (ln >= lf)
 456                         {
 457                         /** @FIXME utf8 */
 458                         if (g_ascii_strncasecmp(name + ln - lf, filter, lf) == 0) return name + ln - lf;
 459                         }
 460                 work = work->next;
 461                 }
 462
 463         return NULL;
 464 }
 465 const gchar *registered_extension_from_path(const gchar *name)
 466 {
 467         return filter_name_find(extension_list, name);
 468 }
 469
 470 gboolean filter_name_exists(const gchar *name)
 471 {
 472         if (!extension_list || options->file_filter.disable) return TRUE;
 473
 474         return !!filter_name_find(extension_list, name);
 475 }
 476
 477 gboolean filter_file_class(const gchar *name, FileFormatClass file_class)
 478 {
 479         if (file_class >= FILE_FORMAT_CLASSES)
 480                 {
 481                 log_printf("WARNING: invalid file class %d\n", file_class);
 482                 return FALSE;
 483                 }
 484
 485         return !!filter_name_find(file_class_extension_list[file_class], name);
 486 }
 487
 488 FileFormatClass filter_file_get_class(const gchar *name)
 489 {
 490         if (filter_file_class(name, FORMAT_CLASS_IMAGE)) return FORMAT_CLASS_IMAGE;
 491         if (filter_file_class(name, FORMAT_CLASS_RAWIMAGE)) return FORMAT_CLASS_RAWIMAGE;
 492         if (filter_file_class(name, FORMAT_CLASS_META)) return FORMAT_CLASS_META;
 493         if (filter_file_class(name, FORMAT_CLASS_VIDEO)) return FORMAT_CLASS_VIDEO;
 494         if (filter_file_class(name, FORMAT_CLASS_COLLECTION)) return FORMAT_CLASS_COLLECTION;
 495         if (filter_file_class(name, FORMAT_CLASS_DOCUMENT)) return FORMAT_CLASS_DOCUMENT;
 496         if (filter_file_class(name, FORMAT_CLASS_ARCHIVE)) return FORMAT_CLASS_ARCHIVE;
 497         return FORMAT_CLASS_UNKNOWN;
 498 }
 499
 500 gboolean filter_name_is_writable(const gchar *name)
 501 {
 502         return !!filter_name_find(file_writable_list, name);
 503 }
 504
 505 gboolean filter_name_allow_sidecar(const gchar *name)
 506 {
 507         return !!filter_name_find(file_sidecar_list, name);
 508 }
 509
 510 void filter_write_list(GString *outstr, gint indent)
 511 {
 512         GList *work;
 513
 514         WRITE_NL(); WRITE_STRING("<filter>");
 515         indent++;
 516
 517         work = filter_list;
 518         while (work)
 519                 {
 520                 FilterEntry *fe = work->data;
 521                 work = work->next;
 522
 523                 WRITE_NL(); WRITE_STRING("<file_type ");
 524                 WRITE_CHAR(*fe, key);
 525                 WRITE_BOOL(*fe, enabled);
 526                 WRITE_CHAR(*fe, extensions);
 527                 WRITE_CHAR(*fe, description);
 528                 WRITE_UINT(*fe, file_class);
 529                 WRITE_BOOL(*fe, writable);
 530                 WRITE_BOOL(*fe, allow_sidecar);
 531                 WRITE_STRING("/>");
 532                 }
 533         indent--;
 534         WRITE_NL(); WRITE_STRING("</filter>");
 535 }
 536
 537 void filter_load_file_type(const gchar **attribute_names, const gchar **attribute_values)
 538 {
 539         FilterEntry fe;
 540         FilterEntry *old_fe;
 541         memset(&fe, 0, sizeof(fe));
 542         while (*attribute_names)
 543                 {
 544                 const gchar *option = *attribute_names++;
 545                 const gchar *value = *attribute_values++;
 546
 547                 if (READ_CHAR(fe, key)) continue;
 548                 if (READ_BOOL(fe, enabled)) continue;
 549                 if (READ_CHAR(fe, extensions)) continue;
 550                 if (READ_CHAR(fe, description)) continue;
 551                 if (READ_UINT(fe, file_class)) continue;
 552                 if (READ_BOOL(fe, writable)) continue;
 553                 if (READ_BOOL(fe, allow_sidecar)) continue;
 554
 555                 log_printf("unknown attribute %s = %s\n", option, value);
 556                 }
 557         if (fe.file_class >= FILE_FORMAT_CLASSES) fe.file_class = FORMAT_CLASS_UNKNOWN;
 558
 559         if (fe.key && fe.key[0] != 0)
 560                 {
 561                 old_fe = filter_get_by_key(fe.key);
 562
 563                 if (old_fe != NULL) filter_remove_entry(old_fe);
 564                 filter_add(fe.key, fe.description, fe.extensions, fe.file_class, fe.writable, fe.allow_sidecar, fe.enabled);
 565                 }
 566         g_free(fe.key);
 567         g_free(fe.extensions);
 568         g_free(fe.description);
 569 }
 570
 571
 572 /*
 573  *-----------------------------------------------------------------------------
 574  * sidecar extension list
 575  *-----------------------------------------------------------------------------
 576  */
 577
 578 GList *sidecar_ext_get_list(void)
 579 {
 580         return sidecar_ext_list;
 581 }
 582
 583 static void sidecar_ext_free_list(void)
 584 {
 585         GList *work;
 586
 587         work = sidecar_ext_list;
 588         while (work)
 589                 {
 590                 gchar *ext = work->data;
 591                 work = work->next;
 592                 g_free(ext);
 593                 }
 594         g_list_free(sidecar_ext_list);
 595         sidecar_ext_list = NULL;
 596 }
 597
 598 void sidecar_ext_parse(const gchar *text)
 599 {
 600         sidecar_ext_free_list();
 601         if (text == NULL) return;
 602
 603         sidecar_ext_list = filter_to_list(text);
 604 }
 605
 606
 607 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */