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