src/filefilter.cc

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