apps/filetypes.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *
   8  * $Id$
   9  *
  10  * Copyright (C) 2007 Jonathan Gordon
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #include <stdio.h>
  23 #include <string.h>
  24 #include <stdlib.h>
  25 #include <stdbool.h>
  26 #include "string.h"
  27 #include <ctype.h>
  28
  29 #include "settings.h"
  30 #include "debug.h"
  31 #include "lang.h"
  32 #include "kernel.h"
  33 #include "plugin.h"
  34 #include "filetypes.h"
  35 #include "screens.h"
  36 #include "dir.h"
  37 #include "file.h"
  38 #include "splash.h"
  39 #include "buffer.h"
  40 #include "icons.h"
  41 #include "logf.h"
  42
  43 /* max filetypes (plugins & icons stored here) */
  44 #if CONFIG_CODEC == SWCODEC
  45 #define MAX_FILETYPES 192
  46 #else
  47 #define MAX_FILETYPES 128
  48 #endif
  49 /* max viewer plugins */
  50 #ifdef HAVE_LCD_BITMAP
  51 #define MAX_VIEWERS 56
  52 #else
  53 #define MAX_VIEWERS 24
  54 #endif
  55
  56 /* a table for the known file types */
  57 static const struct filetype inbuilt_filetypes[] = {
  58     { "mp3", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  59     { "mp2", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  60     { "mpa", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  61 #if CONFIG_CODEC == SWCODEC
  62     /* Temporary hack to allow playlist creation */
  63     { "mp1", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  64     { "ogg", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  65     { "oga", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  66     { "wma", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  67     { "wmv", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  68     { "asf", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  69     { "wav", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  70     { "flac",FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  71     { "ac3", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  72     { "a52", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  73     { "mpc", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  74     { "wv",  FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  75     { "m4a", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  76     { "m4b", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  77     { "mp4", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  78     { "mod", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  79     { "shn", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  80     { "aif", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  81     { "aiff",FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  82     { "spx" ,FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  83     { "sid", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  84     { "adx", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  85     { "nsf", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  86     { "nsfe",FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  87     { "spc", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  88     { "ape", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  89     { "mac", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  90     { "sap" ,FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  91     { "rm",  FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  92     { "ra",  FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  93     { "rmvb",FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  94     { "cmc", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  95     { "cm3", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  96     { "cmr", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  97     { "cms", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  98     { "dmc", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
  99     { "dlt", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
 100     { "mpt", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
 101     { "mpd", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
 102     { "rmt", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
 103     { "tmc", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
 104     { "tm8", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
 105     { "tm2", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
 106     { "oma", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
 107     { "aa3", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
 108     { "at3", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
 109     { "mmf", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
 110     { "au",  FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
 111     { "snd", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
 112     { "vox", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
 113     { "w64", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
 114     { "tta", FILE_ATTR_AUDIO, Icon_Audio, VOICE_EXT_MPA },
 115 #endif
 116     { "m3u", FILE_ATTR_M3U, Icon_Playlist, LANG_PLAYLIST },
 117     { "m3u8",FILE_ATTR_M3U, Icon_Playlist, LANG_PLAYLIST },
 118     { "cfg", FILE_ATTR_CFG, Icon_Config,   VOICE_EXT_CFG },
 119     { "wps", FILE_ATTR_WPS, Icon_Wps,      VOICE_EXT_WPS },
 120 #ifdef HAVE_REMOTE_LCD
 121     { "rwps",FILE_ATTR_RWPS, Icon_Wps,     VOICE_EXT_RWPS },
 122 #endif
 123 #if CONFIG_TUNER
 124     { "fmr", FILE_ATTR_FMR, Icon_Preset, LANG_FMR },
 125     { "fms", FILE_ATTR_FMS, Icon_Wps, VOICE_EXT_FMS },
 126 #endif
 127     { "lng", FILE_ATTR_LNG, Icon_Language, LANG_LANGUAGE },
 128     { "rock",FILE_ATTR_ROCK,Icon_Plugin,   VOICE_EXT_ROCK },
 129     { "lua", FILE_ATTR_LUA, Icon_Plugin,   VOICE_EXT_ROCK },
 130 #ifdef HAVE_LCD_BITMAP
 131     { "fnt", FILE_ATTR_FONT,Icon_Font,     VOICE_EXT_FONT },
 132     { "kbd", FILE_ATTR_KBD, Icon_Keyboard, VOICE_EXT_KBD },
 133 #endif
 134     { "bmark",FILE_ATTR_BMARK, Icon_Bookmark,  VOICE_EXT_BMARK },
 135     { "cue",  FILE_ATTR_CUE,   Icon_Bookmark,  VOICE_EXT_CUESHEET },
 136 #ifdef HAVE_LCD_BITMAP
 137     { "sbs",  FILE_ATTR_SBS,  Icon_Wps,   VOICE_EXT_SBS },
 138 #endif
 139 #ifdef HAVE_REMOTE_LCD
 140     { "rsbs", FILE_ATTR_RSBS, Icon_Wps,   VOICE_EXT_RSBS },
 141 #if CONFIG_TUNER
 142     { "rfms", FILE_ATTR_RFMS, Icon_Wps, VOICE_EXT_RFMS },
 143 #endif
 144 #endif
 145 #ifdef BOOTFILE_EXT
 146     { BOOTFILE_EXT, FILE_ATTR_MOD, Icon_Firmware, VOICE_EXT_AJZ },
 147 #endif
 148 #ifdef BOOTFILE_EXT2
 149     { BOOTFILE_EXT2, FILE_ATTR_MOD, Icon_Firmware, VOICE_EXT_AJZ },
 150 #endif
 151 };
 152
 153 void tree_get_filetypes(const struct filetype** types, int* count)
 154 {
 155     *types = inbuilt_filetypes;
 156     *count = sizeof(inbuilt_filetypes) / sizeof(*inbuilt_filetypes);
 157 }
 158
 159 #define ROCK_EXTENSION "rock"
 160
 161 struct file_type {
 162     int  icon; /* the icon which shall be used for it, NOICON if unknown */
 163     unsigned char  attr; /* FILE_ATTR_MASK >> 8 */
 164     char* plugin; /* Which plugin to use, NULL if unknown, or builtin */
 165     char* extension; /* NULL for none */
 166 };
 167 static struct file_type filetypes[MAX_FILETYPES];
 168 static int custom_filetype_icons[MAX_FILETYPES];
 169 static bool custom_icons_loaded = false;
 170 #ifdef HAVE_LCD_COLOR
 171 static int custom_colors[MAX_FILETYPES+1];
 172 #endif
 173 /* index array to filetypes used in open with list. */
 174 static int viewers[MAX_VIEWERS];
 175 static int filetype_count = 0;
 176 static unsigned char highest_attr = 0;
 177 static int viewer_count = 0;
 178
 179 static char *filetypes_strdup(char* string)
 180 {
 181     char *buffer = (char*)buffer_alloc(strlen(string)+1);
 182     strcpy(buffer, string);
 183     return buffer;
 184 }
 185 static char *filetypes_store_plugin(char *plugin, int n)
 186 {
 187     int i;
 188     /* if the plugin is in the list already, use it. */
 189     for (i=0; i<viewer_count; i++)
 190     {
 191         if (!strcmp(filetypes[viewers[i]].plugin, plugin))
 192             return filetypes[viewers[i]].plugin;
 193     }
 194     /* otherwise, allocate buffer */
 195     if (viewer_count < MAX_VIEWERS)
 196         viewers[viewer_count++] = n;
 197     return filetypes_strdup(plugin);
 198 }
 199
 200 static int find_extension(const char* extension)
 201 {
 202     int i;
 203     if (!extension)
 204         return -1;
 205     for (i=1; i<filetype_count; i++)
 206     {
 207         if (filetypes[i].extension &&
 208             !strcasecmp(extension, filetypes[i].extension))
 209             return i;
 210     }
 211     return -1;
 212 }
 213
 214 static void read_builtin_types(void);
 215 static void read_config(const char* config_file);
 216 #ifdef HAVE_LCD_COLOR
 217 /* Colors file format is similar to icons:
 218  * ext:hex_color
 219  * load a colors file from a theme with:
 220  * filetype colours: filename.colours */
 221 void read_color_theme_file(void) {
 222     char buffer[MAX_PATH], dir[MAX_PATH];
 223     int fd;
 224     char *ext, *color;
 225     int i;
 226     for (i = 0; i < MAX_FILETYPES+1; i++) {
 227         custom_colors[i] = -1;
 228     }
 229     snprintf(buffer, MAX_PATH, "%s/%s.colours",
 230              get_user_file_path(THEME_DIR, 0, dir, sizeof(dir)),
 231              global_settings.colors_file);
 232     fd = open(buffer, O_RDONLY);
 233     if (fd < 0)
 234         return;
 235     while (read_line(fd, buffer, MAX_PATH) > 0)
 236     {
 237         if (!settings_parseline(buffer, &ext, &color))
 238             continue;
 239         if (!strcasecmp(ext, "folder"))
 240         {
 241             hex_to_rgb(color, &custom_colors[0]);
 242             continue;
 243         }
 244         if (!strcasecmp(ext, "???"))
 245         {
 246             hex_to_rgb(color, &custom_colors[MAX_FILETYPES]);
 247             continue;
 248         }
 249         i = find_extension(ext);
 250         if (i >= 0)
 251             hex_to_rgb(color, &custom_colors[i]);
 252     }
 253     close(fd);
 254 }
 255 #endif
 256 #ifdef HAVE_LCD_BITMAP
 257 void read_viewer_theme_file(void)
 258 {
 259     char buffer[MAX_PATH];
 260     int fd;
 261     char *ext, *icon;
 262     int i;
 263     global_status.viewer_icon_count = 0;
 264     custom_icons_loaded = false;
 265     custom_filetype_icons[0] = Icon_Folder;
 266     for (i=1; i<filetype_count; i++)
 267     {
 268         custom_filetype_icons[i] = filetypes[i].icon;
 269     }
 270
 271     snprintf(buffer, MAX_PATH, "%s/%s.icons", ICON_DIR,
 272              global_settings.viewers_icon_file);
 273     fd = open(buffer, O_RDONLY);
 274     if (fd < 0)
 275         return;
 276     while (read_line(fd, buffer, MAX_PATH) > 0)
 277     {
 278         if (!settings_parseline(buffer, &ext, &icon))
 279             continue;
 280         i = find_extension(ext);
 281         if (i >= 0)
 282         {
 283             if (*icon == '*')
 284                 custom_filetype_icons[i] = atoi(icon+1);
 285             else if (*icon == '-')
 286                 custom_filetype_icons[i] = Icon_NOICON;
 287             else if (*icon >= '0' && *icon <= '9')
 288             {
 289                 int number = atoi(icon);
 290                 if (number > global_status.viewer_icon_count)
 291                     global_status.viewer_icon_count++;
 292                 custom_filetype_icons[i] = Icon_Last_Themeable + number;
 293             }
 294         }
 295     }
 296     close(fd);
 297     custom_icons_loaded = true;
 298 }
 299 #endif
 300
 301 void  filetype_init(void)
 302 {
 303     char path[MAX_PATH];
 304     /* set the directory item first */
 305     filetypes[0].extension = NULL;
 306     filetypes[0].plugin = NULL;
 307     filetypes[0].attr   = 0;
 308     filetypes[0].icon   = Icon_Folder;
 309
 310     viewer_count = 0;
 311     filetype_count = 1;
 312     read_builtin_types();
 313     read_config(get_user_file_path(VIEWERS_CONFIG, IS_FILE, path, sizeof(path)));
 314 #ifdef HAVE_LCD_BITMAP
 315     read_viewer_theme_file();
 316 #endif
 317 #ifdef HAVE_LCD_COLOR
 318     read_color_theme_file();
 319 #endif
 320 }
 321
 322 /* remove all white spaces from string */
 323 static void rm_whitespaces(char* str)
 324 {
 325     char *s = str;
 326     while (*str)
 327     {
 328         if (!isspace(*str))
 329         {
 330             *s = *str;
 331             s++;
 332         }
 333         str++;
 334     }
 335     *s = '\0';
 336 }
 337
 338 static void read_builtin_types(void)
 339 {
 340     int count = sizeof(inbuilt_filetypes)/sizeof(*inbuilt_filetypes), i;
 341     for(i=0; i<count && (filetype_count < MAX_FILETYPES); i++)
 342     {
 343         filetypes[filetype_count].extension = inbuilt_filetypes[i].extension;
 344         filetypes[filetype_count].plugin = NULL;
 345         filetypes[filetype_count].attr   = inbuilt_filetypes[i].tree_attr>>8;
 346         if (filetypes[filetype_count].attr > highest_attr)
 347             highest_attr = filetypes[filetype_count].attr;
 348         filetypes[filetype_count].icon   = inbuilt_filetypes[i].icon;
 349         filetype_count++;
 350     }
 351 }
 352
 353 static void read_config(const char* config_file)
 354 {
 355     char line[64], *s, *e;
 356     char *extension, *plugin;
 357     int fd = open(config_file, O_RDONLY);
 358     if (fd < 0)
 359         return;
 360     /* config file is in the format
 361        <extension>,<plugin>,<icon code>
 362        ignore line if either of the first two are missing */
 363     while (read_line(fd, line, sizeof line) > 0)
 364     {
 365         if (filetype_count >= MAX_FILETYPES)
 366         {
 367             splash(HZ, ID2P(LANG_FILETYPES_FULL));
 368             break;
 369         }
 370         rm_whitespaces(line);
 371         /* get the extension */
 372         s = line;
 373         e = strchr(s, ',');
 374         if (!e)
 375             continue;
 376         *e = '\0';
 377         extension = s;
 378
 379         /* get the plugin */
 380         s = e+1;
 381         e = strchr(s, ',');
 382         if (!e)
 383             continue;
 384         *e = '\0';
 385         plugin = s;
 386
 387         /* ok, store this plugin/extension, check icon after */
 388         struct file_type *file_type = &filetypes[filetype_count];
 389         file_type->extension = filetypes_strdup(extension);
 390         file_type->plugin = filetypes_store_plugin(plugin, filetype_count);
 391         file_type->attr = highest_attr +1;
 392         file_type->icon = Icon_Questionmark;
 393         highest_attr++;
 394         /* get the icon */
 395         s = e+1;
 396         if (*s == '*')
 397             file_type->icon = atoi(s+1);
 398         else if (*s == '-')
 399             file_type->icon = Icon_NOICON;
 400         else if (*s >= '0' && *s <= '9')
 401             file_type->icon = Icon_Last_Themeable + atoi(s);
 402         filetype_count++;
 403     }
 404     close(fd);
 405 }
 406
 407 int filetype_get_attr(const char* file)
 408 {
 409     char *extension = strrchr(file, '.');
 410     int i;
 411     if (!extension)
 412         return 0;
 413     extension++;
 414
 415     i = find_extension(extension);
 416     if (i >= 0)
 417         return (filetypes[i].attr<<8)&FILE_ATTR_MASK;
 418     return 0;
 419 }
 420
 421 static int find_attr(int attr)
 422 {
 423     int i;
 424     /* skip the directory item */
 425     if ((attr & ATTR_DIRECTORY)==ATTR_DIRECTORY)
 426         return 0;
 427     for (i=1; i<filetype_count; i++)
 428     {
 429         if ((attr>>8) == filetypes[i].attr)
 430             return i;
 431     }
 432     return -1;
 433 }
 434
 435 #ifdef HAVE_LCD_COLOR
 436 int filetype_get_color(const char * name, int attr)
 437 {
 438     char *extension;
 439     int i;
 440     if ((attr & ATTR_DIRECTORY)==ATTR_DIRECTORY)
 441         return custom_colors[0];
 442     extension = strrchr(name, '.');
 443     if (!extension)
 444         return custom_colors[MAX_FILETYPES];
 445     extension++;
 446
 447     i = find_extension(extension);
 448     if (i >= 0)
 449         return custom_colors[i];
 450     return custom_colors[MAX_FILETYPES];
 451 }
 452 #endif
 453
 454 int filetype_get_icon(int attr)
 455 {
 456     int index = find_attr(attr);
 457     if (index < 0)
 458         return Icon_NOICON;
 459     if (custom_icons_loaded)
 460         return custom_filetype_icons[index];
 461     return filetypes[index].icon;
 462 }
 463
 464 char* filetype_get_plugin(const struct entry* file)
 465 {
 466     static char plugin_name[MAX_PATH];
 467     int index = find_attr(file->attr);
 468     if (index < 0)
 469         return NULL;
 470     if (filetypes[index].plugin == NULL)
 471         return NULL;
 472     snprintf(plugin_name, MAX_PATH, "%s/%s.%s",
 473              PLUGIN_DIR, filetypes[index].plugin, ROCK_EXTENSION);
 474     return plugin_name;
 475 }
 476
 477 bool filetype_supported(int attr)
 478 {
 479     return find_attr(attr) >= 0;
 480 }
 481
 482 /**** Open With Screen ****/
 483 struct cb_data {
 484     const char *current_file;
 485 };
 486
 487 static enum themable_icons openwith_get_icon(int selected_item, void * data)
 488 {
 489     (void)data;
 490     return filetypes[viewers[selected_item]].icon;
 491 }
 492
 493 static const char* openwith_get_name(int selected_item, void * data,
 494                                      char * buffer, size_t buffer_len)
 495 {
 496     (void)data; (void)buffer; (void)buffer_len;
 497     const char *s = strrchr(filetypes[viewers[selected_item]].plugin, '/');
 498     if (s)
 499         return s+1;
 500     else return filetypes[viewers[selected_item]].plugin;
 501 }
 502
 503 static int openwith_action_callback(int action, struct gui_synclist *lists)
 504 {
 505     struct cb_data *info = (struct cb_data *)lists->data;
 506     int i;
 507     if (action == ACTION_STD_OK)
 508     {
 509         char plugin[MAX_PATH];
 510         i = viewers[gui_synclist_get_sel_pos(lists)];
 511         snprintf(plugin, MAX_PATH, "%s/%s.%s",
 512                     PLUGIN_DIR, filetypes[i].plugin, ROCK_EXTENSION);
 513         plugin_load(plugin, info->current_file);
 514         return ACTION_STD_CANCEL;
 515     }
 516     return action;
 517 }
 518
 519 int filetype_list_viewers(const char* current_file)
 520 {
 521     struct simplelist_info info;
 522     struct cb_data data = { current_file };
 523 #ifndef HAVE_LCD_BITMAP
 524     if (viewer_count == 0)
 525     {
 526         /* FIX: translation! */
 527         splash(HZ*2, "No viewers found");
 528         return PLUGIN_OK;
 529     }
 530 #endif
 531     simplelist_info_init(&info, str(LANG_ONPLAY_OPEN_WITH), viewer_count, &data);
 532     info.action_callback = openwith_action_callback;
 533     info.get_name = openwith_get_name;
 534     info.get_icon = global_settings.show_icons?openwith_get_icon:NULL;
 535     return simplelist_show_list(&info);
 536 }
 537
 538 int filetype_load_plugin(const char* plugin, char* file)
 539 {
 540     int i;
 541     char plugin_name[MAX_PATH];
 542     char *s;
 543
 544     for (i=0;i<filetype_count;i++)
 545     {
 546         if (filetypes[i].plugin)
 547         {
 548             s = strrchr(filetypes[i].plugin, '/');
 549             if (s)
 550             {
 551                 if (!strcmp(s+1, plugin))
 552                     break;
 553             }
 554             else if (!strcmp(filetypes[i].plugin, plugin))
 555                 break;
 556         }
 557     }
 558     if (i >= filetype_count)
 559         return PLUGIN_ERROR;
 560     snprintf(plugin_name, MAX_PATH, "%s/%s.%s",
 561              PLUGIN_DIR, filetypes[i].plugin, ROCK_EXTENSION);
 562     return plugin_load(plugin_name, file);
 563 }