+
+static char *itoa(unsigned int i)
+{
+ static char *a = NULL;
+
+ if (a != NULL)
+ free(a);
+
+ if (i > 2147483647) /* yes, this is a kludge */
+ i = 2147483647;
+
+ a = checked_malloc(10 + 1);
+
+ sprintf(a, "%d", i);
+
+ return a;
+}
+
+void LoadUserDefinedEditorElementList(int **elements, int *num_elements)
+{
+ char *filename = getEditorSetupFilename();
+ SetupFileList *setup_file_list, *list;
+ SetupFileHash *element_hash;
+ int num_unknown_tokens = 0;
+ int i;
+
+ if ((setup_file_list = loadSetupFileList(filename)) == NULL)
+ return;
+
+ element_hash = newSetupFileHash();
+
+ for (i=0; i < NUM_FILE_ELEMENTS; i++)
+ setHashEntry(element_hash, element_info[i].token_name, itoa(i));
+
+ /* determined size may be larger than needed (due to unknown elements) */
+ *num_elements = 0;
+ for (list = setup_file_list; list != NULL; list = list->next)
+ (*num_elements)++;
+
+ /* add space for up to 3 more elements for padding that may be needed */
+ *num_elements += 3;
+
+ *elements = checked_malloc(*num_elements * sizeof(int));
+
+ *num_elements = 0;
+ for (list = setup_file_list; list != NULL; list = list->next)
+ {
+ char *value = getHashEntry(element_hash, list->token);
+
+ if (value)
+ {
+ (*elements)[(*num_elements)++] = atoi(value);
+ }
+ else
+ {
+ if (num_unknown_tokens == 0)
+ {
+ Error(ERR_RETURN_LINE, "-");
+ Error(ERR_RETURN, "warning: unknown token(s) found in config file:");
+ Error(ERR_RETURN, "- config file: '%s'", filename);
+
+ num_unknown_tokens++;
+ }
+
+ Error(ERR_RETURN, "- token: '%s'", list->token);
+ }
+ }
+
+ if (num_unknown_tokens > 0)
+ Error(ERR_RETURN_LINE, "-");
+
+ while (*num_elements % 4) /* pad with empty elements, if needed */
+ (*elements)[(*num_elements)++] = EL_EMPTY;
+
+ freeSetupFileList(setup_file_list);
+ freeSetupFileHash(element_hash);
+
+#if 0
+ /* TEST-ONLY */
+ for (i=0; i < *num_elements; i++)
+ printf("editor: element '%s' [%d]\n",
+ element_info[(*elements)[i]].token_name, (*elements)[i]);
+#endif
+}
+
+static struct MusicFileInfo *get_music_file_info(char *basename)
+{
+ SetupFileHash *setup_file_hash = NULL;
+ struct MusicFileInfo tmp_music_file_info, *new_music_file_info;
+ char *filename_music = getCustomMusicFilename(basename);
+ char *filename_prefix, *filename_info;
+ struct
+ {
+ char *token;
+ char **value_ptr;
+ }
+ token_to_value_ptr[] =
+ {
+ { "title", &tmp_music_file_info.title },
+ { "artist", &tmp_music_file_info.artist },
+ { "album", &tmp_music_file_info.album },
+ { "year", &tmp_music_file_info.year },
+ { NULL, NULL },
+ };
+ int i;
+
+ if (filename_music == NULL)
+ return NULL;
+
+ /* ---------- try to replace file extension ---------- */
+
+ filename_prefix = getStringCopy(filename_music);
+ if (strrchr(filename_prefix, '.') != NULL)
+ *strrchr(filename_prefix, '.') = '\0';
+ filename_info = getStringCat2(filename_prefix, ".txt");
+
+#if 0
+ printf("trying to load file '%s'...\n", filename_info);
+#endif
+
+ if (fileExists(filename_info))
+ setup_file_hash = loadSetupFileHash(filename_info);
+
+ free(filename_prefix);
+ free(filename_info);
+
+ if (setup_file_hash == NULL)
+ {
+ /* ---------- try to add file extension ---------- */
+
+ filename_prefix = getStringCopy(filename_music);
+ filename_info = getStringCat2(filename_prefix, ".txt");
+
+#if 0
+ printf("trying to load file '%s'...\n", filename_info);
+#endif
+
+ if (fileExists(filename_info))
+ setup_file_hash = loadSetupFileHash(filename_info);
+
+ free(filename_prefix);
+ free(filename_info);
+ }
+
+ if (setup_file_hash == NULL)
+ return NULL;
+
+ /* ---------- music file info found ---------- */
+
+ for (i = 0; token_to_value_ptr[i].token != NULL; i++)
+ {
+ char *value = getHashEntry(setup_file_hash, token_to_value_ptr[i].token);
+
+ if (value != NULL)
+ *token_to_value_ptr[i].value_ptr = getStringCopy(value);
+ }
+
+ new_music_file_info = checked_calloc(sizeof(struct MusicFileInfo));
+ *new_music_file_info = tmp_music_file_info;
+
+ return new_music_file_info;
+}
+
+void LoadMusicInfo()
+{
+ char *music_directory = getCustomMusicDirectory();
+ int num_music = getMusicListSize();
+ DIR *dir;
+ struct dirent *dir_entry;
+ struct FileInfo *music;
+ struct MusicFileInfo *next, **new;
+ int i;
+
+ while (music_file_info != NULL)
+ {
+ next = music_file_info->next;
+
+ if (music_file_info->context)
+ free(music_file_info->context);
+ if (music_file_info->title)
+ free(music_file_info->title);
+ if (music_file_info->artist)
+ free(music_file_info->artist);
+ if (music_file_info->album)
+ free(music_file_info->album);
+ if (music_file_info->year)
+ free(music_file_info->year);
+
+ free(music_file_info);
+
+ music_file_info = next;
+ }
+
+ new = &music_file_info;
+
+ for (i=0; i < num_music; i++)
+ {
+ music = getMusicListEntry(i);
+
+ if (strcmp(music->filename, UNDEFINED_FILENAME) == 0)
+ continue;
+
+#if 0
+ printf("::: -> '%s'\n", music->filename);
+#endif
+
+ *new = get_music_file_info(music->filename);
+ if (*new != NULL)
+ new = &(*new)->next;
+ }
+
+ if ((dir = opendir(music_directory)) == NULL)
+ {
+ Error(ERR_WARN, "cannot read music directory '%s'", music_directory);
+ return;
+ }
+
+ while ((dir_entry = readdir(dir)) != NULL) /* loop until last dir entry */
+ {
+ char *basename = dir_entry->d_name;
+ boolean music_already_used = FALSE;
+ int i;
+
+ for (i=0; i < num_music; i++)
+ {
+ music = getMusicListEntry(i);
+
+ if (strcmp(basename, music->filename) == 0)
+ {
+ music_already_used = TRUE;
+ break;
+ }
+ }
+
+ if (music_already_used)
+ continue;
+
+ if (!FileIsSound(basename) && !FileIsMusic(basename))
+ continue;
+
+#if 0
+ printf("::: -> '%s'\n", basename);
+#endif
+
+ *new = get_music_file_info(basename);
+ if (*new != NULL)
+ new = &(*new)->next;
+ }
+
+ closedir(dir);
+
+#if 0
+ /* TEST-ONLY */
+ for (next = music_file_info; next != NULL; next = next->next)
+ printf("::: title == '%s'\n", next->title);
+#endif
+}