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("ufraw", "UFRaw ID file", ".ufraw", FORMAT_CLASS_META, FALSE, FALSE, TRUE);
 259         filter_add_if_missing("pto", "Panorama script file", ".pto", FORMAT_CLASS_META, FALSE, FALSE, TRUE);
 260
 261         /* These are the raw camera formats with embedded jpeg/exif.
 262          * (see format_raw.c and/or exiv2.cc)
 263          */
 264         filter_add_if_missing("arw", "Sony raw format", ".arw;.srf;.sr2", FORMAT_CLASS_RAWIMAGE, FALSE, TRUE, TRUE);
 265         filter_add_if_missing("crw", "Canon raw format", ".crw;.cr2", 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", FORMAT_CLASS_IMAGE, FALSE, FALSE, TRUE);
 299 #endif
 300 #ifdef HAVE_WEBP
 301         filter_add_if_missing("webp", "WebP Format", ".webp", FORMAT_CLASS_IMAGE, FALSE, FALSE, TRUE);
 302 #endif
 303 #ifdef HAVE_DJVU
 304         filter_add_if_missing("djvu", "DjVu Format", ".djvu;.djv", FORMAT_CLASS_DOCUMENT, FALSE, FALSE, TRUE);
 305 #endif
 306         filter_add_if_missing("psd", "Adobe Photoshop Document", ".psd", FORMAT_CLASS_IMAGE, FALSE, FALSE, TRUE);
 307 }
 308
 309 GList *filter_to_list(const gchar *extensions)
 310 {
 311         GList *list = NULL;
 312         const gchar *p;
 313
 314         if (!extensions) return NULL;
 315
 316         p = extensions;
 317         while (*p != '\0')
 318                 {
 319                 const gchar *b;
 320                 gchar *ext;
 321                 gint file_class = -1;
 322                 guint l = 0;
 323
 324                 b = p;
 325                 while (*p != '\0' && *p != ';')
 326                         {
 327                         p++;
 328                         l++;
 329                         }
 330
 331                 ext = g_strndup(b, l);
 332
 333                 if (g_ascii_strcasecmp(ext, "%image") == 0) file_class = FORMAT_CLASS_IMAGE;
 334                 else if (g_ascii_strcasecmp(ext, "%raw") == 0) file_class = FORMAT_CLASS_RAWIMAGE;
 335                 else if (g_ascii_strcasecmp(ext, "%meta") == 0) file_class = FORMAT_CLASS_META;
 336                 else if (g_ascii_strcasecmp(ext, "%unknown") == 0) file_class = FORMAT_CLASS_UNKNOWN;
 337
 338                 if (file_class == -1)
 339                         {
 340                         list = g_list_append(list, ext);
 341                         }
 342                 else
 343                         {
 344                         list = g_list_concat(list, string_list_copy(file_class_extension_list[file_class]));
 345                         g_free(ext);
 346                         }
 347
 348                 if (*p == ';') p++;
 349                 }
 350
 351         return list;
 352 }
 353
 354 static gint filter_sort_ext_len_cb(gconstpointer a, gconstpointer b)
 355 {
 356         gchar *sa = (gchar *)a;
 357         gchar *sb = (gchar *)b;
 358
 359         gint len_a = strlen(sa);
 360         gint len_b = strlen(sb);
 361
 362         if (len_a > len_b) return -1;
 363         if (len_a < len_b) return 1;
 364         return 0;
 365 }
 366
 367
 368 void filter_rebuild(void)
 369 {
 370         GList *work;
 371         guint i;
 372
 373         string_list_free(extension_list);
 374         extension_list = NULL;
 375
 376         string_list_free(file_writable_list);
 377         file_writable_list = NULL;
 378
 379         string_list_free(file_sidecar_list);
 380         file_sidecar_list = NULL;
 381
 382         for (i = 0; i < FILE_FORMAT_CLASSES; i++)
 383                 {
 384                 string_list_free(file_class_extension_list[i]);
 385                 file_class_extension_list[i] = NULL;
 386                 }
 387
 388         work = filter_list;
 389         while (work)
 390                 {
 391                 FilterEntry *fe;
 392
 393                 fe = work->data;
 394                 work = work->next;
 395
 396                 if (fe->enabled)
 397                         {
 398                         GList *ext;
 399
 400                         ext = filter_to_list(fe->extensions);
 401                         if (ext) extension_list = g_list_concat(extension_list, ext);
 402
 403                         if (fe->file_class < FILE_FORMAT_CLASSES)
 404                                 {
 405                                 ext = filter_to_list(fe->extensions);
 406                                 if (ext) file_class_extension_list[fe->file_class] = g_list_concat(file_class_extension_list[fe->file_class], ext);
 407                                 }
 408                         else
 409                                 {
 410                                 log_printf("WARNING: invalid file class %d\n", fe->file_class);
 411                                 }
 412
 413                         if (fe->writable)
 414                                 {
 415                                 ext = filter_to_list(fe->extensions);
 416                                 if (ext) file_writable_list = g_list_concat(file_writable_list, ext);
 417                                 }
 418
 419                         if (fe->allow_sidecar)
 420                                 {
 421                                 ext = filter_to_list(fe->extensions);
 422                                 if (ext) file_sidecar_list = g_list_concat(file_sidecar_list, ext);
 423                                 }
 424
 425                         }
 426                 }
 427
 428         /* make sure registered_extension_from_path finds the longer match first */
 429         extension_list = g_list_sort(extension_list, filter_sort_ext_len_cb);
 430         sidecar_ext_parse(options->sidecar.ext); /* this must be updated after changed file extensions */
 431 }
 432
 433 /* return the extension part of the name or NULL */
 434 static const gchar *filter_name_find(GList *filter, const gchar *name)
 435 {
 436         GList *work;
 437         guint ln;
 438
 439         ln = strlen(name);
 440         work = filter;
 441         while (work)
 442                 {
 443                 gchar *filter = work->data;
 444                 guint lf = strlen(filter);
 445
 446                 if (ln >= lf)
 447                         {
 448                         /* FIXME: utf8 */
 449                         if (g_ascii_strncasecmp(name + ln - lf, filter, lf) == 0) return name + ln - lf;
 450                         }
 451                 work = work->next;
 452                 }
 453
 454         return NULL;
 455 }
 456 const gchar *registered_extension_from_path(const gchar *name)
 457 {
 458         return filter_name_find(extension_list, name);
 459 }
 460
 461 gboolean filter_name_exists(const gchar *name)
 462 {
 463         if (!extension_list || options->file_filter.disable) return TRUE;
 464
 465         return !!filter_name_find(extension_list, name);
 466 }
 467
 468 gboolean filter_file_class(const gchar *name, FileFormatClass file_class)
 469 {
 470         if (file_class >= FILE_FORMAT_CLASSES)
 471                 {
 472                 log_printf("WARNING: invalid file class %d\n", file_class);
 473                 return FALSE;
 474                 }
 475
 476         return !!filter_name_find(file_class_extension_list[file_class], name);
 477 }
 478
 479 FileFormatClass filter_file_get_class(const gchar *name)
 480 {
 481         if (filter_file_class(name, FORMAT_CLASS_IMAGE)) return FORMAT_CLASS_IMAGE;
 482         if (filter_file_class(name, FORMAT_CLASS_RAWIMAGE)) return FORMAT_CLASS_RAWIMAGE;
 483         if (filter_file_class(name, FORMAT_CLASS_META)) return FORMAT_CLASS_META;
 484         if (filter_file_class(name, FORMAT_CLASS_VIDEO)) return FORMAT_CLASS_VIDEO;
 485         if (filter_file_class(name, FORMAT_CLASS_COLLECTION)) return FORMAT_CLASS_COLLECTION;
 486         if (filter_file_class(name, FORMAT_CLASS_DOCUMENT)) return FORMAT_CLASS_DOCUMENT;
 487         return FORMAT_CLASS_UNKNOWN;
 488 }
 489
 490 gboolean filter_name_is_writable(const gchar *name)
 491 {
 492         return !!filter_name_find(file_writable_list, name);
 493 }
 494
 495 gboolean filter_name_allow_sidecar(const gchar *name)
 496 {
 497         return !!filter_name_find(file_sidecar_list, name);
 498 }
 499
 500 void filter_write_list(GString *outstr, gint indent)
 501 {
 502         GList *work;
 503
 504         WRITE_NL(); WRITE_STRING("<filter>");
 505         indent++;
 506
 507         work = filter_list;
 508         while (work)
 509                 {
 510                 FilterEntry *fe = work->data;
 511                 work = work->next;
 512
 513                 WRITE_NL(); WRITE_STRING("<file_type ");
 514                 WRITE_CHAR(*fe, key);
 515                 WRITE_BOOL(*fe, enabled);
 516                 WRITE_CHAR(*fe, extensions);
 517                 WRITE_CHAR(*fe, description);
 518                 WRITE_UINT(*fe, file_class);
 519                 WRITE_BOOL(*fe, writable);
 520                 WRITE_BOOL(*fe, allow_sidecar);
 521                 WRITE_STRING("/>");
 522                 }
 523         indent--;
 524         WRITE_NL(); WRITE_STRING("</filter>");
 525 }
 526
 527 void filter_load_file_type(const gchar **attribute_names, const gchar **attribute_values)
 528 {
 529         FilterEntry fe;
 530         FilterEntry *old_fe;
 531         memset(&fe, 0, sizeof(fe));
 532         while (*attribute_names)
 533                 {
 534                 const gchar *option = *attribute_names++;
 535                 const gchar *value = *attribute_values++;
 536
 537                 if (READ_CHAR(fe, key)) continue;
 538                 if (READ_BOOL(fe, enabled)) continue;
 539                 if (READ_CHAR(fe, extensions)) continue;
 540                 if (READ_CHAR(fe, description)) continue;
 541                 if (READ_UINT(fe, file_class)) continue;
 542                 if (READ_BOOL(fe, writable)) continue;
 543                 if (READ_BOOL(fe, allow_sidecar)) continue;
 544
 545                 log_printf("unknown attribute %s = %s\n", option, value);
 546                 }
 547         if (fe.file_class >= FILE_FORMAT_CLASSES) fe.file_class = FORMAT_CLASS_UNKNOWN;
 548
 549         if (fe.key && fe.key[0] != 0)
 550                 {
 551                 old_fe = filter_get_by_key(fe.key);
 552
 553                 if (old_fe != NULL) filter_remove_entry(old_fe);
 554                 filter_add(fe.key, fe.description, fe.extensions, fe.file_class, fe.writable, fe.allow_sidecar, fe.enabled);
 555                 }
 556         g_free(fe.key);
 557         g_free(fe.extensions);
 558         g_free(fe.description);
 559 }
 560
 561
 562 /*
 563  *-----------------------------------------------------------------------------
 564  * sidecar extension list
 565  *-----------------------------------------------------------------------------
 566  */
 567
 568 GList *sidecar_ext_get_list(void)
 569 {
 570         return sidecar_ext_list;
 571 }
 572
 573 static void sidecar_ext_free_list(void)
 574 {
 575         GList *work;
 576
 577         work = sidecar_ext_list;
 578         while (work)
 579                 {
 580                 gchar *ext = work->data;
 581                 work = work->next;
 582                 g_free(ext);
 583                 }
 584         g_list_free(sidecar_ext_list);
 585         sidecar_ext_list = NULL;
 586 }
 587
 588 void sidecar_ext_parse(const gchar *text)
 589 {
 590         sidecar_ext_free_list();
 591         if (text == NULL) return;
 592
 593         sidecar_ext_list = filter_to_list(text);
 594 }
 595
 596
 597 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */