+void deleteNodeFromList(ListNode **node_first, char *key,
+ void (*destructor_function)(void *))
+{
+ if (node_first == NULL || *node_first == NULL)
+ return;
+
+#if 0
+ printf("[CHECKING LIST KEY '%s' == '%s']\n",
+ (*node_first)->key, key);
+#endif
+
+ if (strcmp((*node_first)->key, key) == 0)
+ {
+#if 0
+ printf("[DELETING LIST ENTRY]\n");
+#endif
+
+ free((*node_first)->key);
+ if (destructor_function)
+ destructor_function((*node_first)->content);
+ *node_first = (*node_first)->next;
+ }
+ else
+ deleteNodeFromList(&(*node_first)->next, key, destructor_function);
+}
+
+ListNode *getNodeFromKey(ListNode *node_first, char *key)
+{
+ if (node_first == NULL)
+ return NULL;
+
+ if (strcmp(node_first->key, key) == 0)
+ return node_first;
+ else
+ return getNodeFromKey(node_first->next, key);
+}
+
+int getNumNodes(ListNode *node_first)
+{
+ return (node_first ? 1 + getNumNodes(node_first->next) : 0);
+}
+
+void dumpList(ListNode *node_first)
+{
+ ListNode *node = node_first;
+
+ while (node)
+ {
+ printf("['%s' (%d)]\n", node->key,
+ ((struct ListNodeInfo *)node->content)->num_references);
+ node = node->next;
+ }
+
+ printf("[%d nodes]\n", getNumNodes(node_first));
+}
+
+
+/* ------------------------------------------------------------------------- */
+/* functions for checking filenames */
+/* ------------------------------------------------------------------------- */
+
+boolean FileIsGraphic(char *filename)
+{
+ if (strlen(filename) > 4 &&
+ strcmp(&filename[strlen(filename) - 4], ".pcx") == 0)
+ return TRUE;
+
+ return FALSE;
+}
+
+boolean FileIsSound(char *basename)
+{
+ if (strlen(basename) > 4 &&
+ strcmp(&basename[strlen(basename) - 4], ".wav") == 0)
+ return TRUE;
+
+ return FALSE;
+}
+
+boolean FileIsMusic(char *basename)
+{
+ /* "music" can be a WAV (loop) file or (if compiled with SDL) a MOD file */
+
+ if (FileIsSound(basename))
+ return TRUE;
+
+#if defined(TARGET_SDL)
+ if (strlen(basename) > 4 &&
+ (strcmp(&basename[strlen(basename) - 4], ".mod") == 0 ||
+ strcmp(&basename[strlen(basename) - 4], ".MOD") == 0 ||
+ strncmp(basename, "mod.", 4) == 0 ||
+ strncmp(basename, "MOD.", 4) == 0))
+ return TRUE;
+#endif
+
+ return FALSE;
+}
+
+boolean FileIsArtworkType(char *basename, int type)
+{
+ if ((type == TREE_TYPE_GRAPHICS_DIR && FileIsGraphic(basename)) ||
+ (type == TREE_TYPE_SOUNDS_DIR && FileIsSound(basename)) ||
+ (type == TREE_TYPE_MUSIC_DIR && FileIsMusic(basename)))
+ return TRUE;
+
+ return FALSE;
+}
+
+/* ------------------------------------------------------------------------- */
+/* functions for loading artwork configuration information */
+/* ------------------------------------------------------------------------- */
+
+static int get_parameter_value(int type, char *value)
+{
+ return (strcmp(value, ARG_UNDEFINED) == 0 ? ARG_UNDEFINED_VALUE :
+ type == TYPE_INTEGER ? get_integer_from_string(value) :
+ type == TYPE_BOOLEAN ? get_boolean_from_string(value) :
+ -1);
+}
+
+struct FileInfo *getFileListFromConfigList(struct ConfigInfo *config_list,
+ struct ConfigInfo *suffix_list,
+ int num_file_list_entries)
+{
+ struct FileInfo *file_list;
+ int num_file_list_entries_found = 0;
+ int num_suffix_list_entries = 0;
+ int list_pos = 0;
+ int i, j;
+
+ file_list = checked_calloc(num_file_list_entries * sizeof(struct FileInfo));
+
+ for (i=0; suffix_list[i].token != NULL; i++)
+ num_suffix_list_entries++;
+
+ /* always start with reliable default values */
+ for (i=0; i<num_file_list_entries; i++)
+ {
+ file_list[i].token = NULL;
+ file_list[i].default_filename = NULL;
+ file_list[i].filename = NULL;
+
+ if (num_suffix_list_entries > 0)
+ {
+ int parameter_array_size = num_suffix_list_entries * sizeof(int);
+
+ file_list[i].default_parameter = checked_calloc(parameter_array_size);
+ file_list[i].parameter = checked_calloc(parameter_array_size);
+
+ for (j=0; j<num_suffix_list_entries; j++)
+ {
+ int default_parameter =
+ get_parameter_value(suffix_list[j].type, suffix_list[j].value);
+
+ file_list[i].default_parameter[j] = default_parameter;
+ file_list[i].parameter[j] = default_parameter;
+ }
+ }
+ }
+
+ for (i=0; config_list[i].token != NULL; i++)
+ {
+ int len_config_token = strlen(config_list[i].token);
+ int len_config_value = strlen(config_list[i].value);
+ boolean is_file_entry = TRUE;
+
+ for (j=0; suffix_list[j].token != NULL; j++)
+ {
+ int len_suffix = strlen(suffix_list[j].token);
+
+ if (len_suffix < len_config_token &&
+ strcmp(&config_list[i].token[len_config_token - len_suffix],
+ suffix_list[j].token) == 0)
+ {
+ file_list[list_pos].default_parameter[j] =
+ get_parameter_value(suffix_list[j].type, config_list[i].value);
+
+ is_file_entry = FALSE;
+ break;
+ }
+ }
+
+ if (is_file_entry)
+ {
+ if (i > 0)
+ list_pos++;
+
+ if (list_pos >= num_file_list_entries)
+ break;
+
+ /* simple sanity check if this is really a file definition */
+ if (strcmp(&config_list[i].value[len_config_value - 4], ".pcx") != 0 &&
+ strcmp(&config_list[i].value[len_config_value - 4], ".wav") != 0 &&
+ strcmp(config_list[i].value, UNDEFINED_FILENAME) != 0)
+ {
+ Error(ERR_RETURN, "Configuration directive '%s' -> '%s':",
+ config_list[i].token, config_list[i].value);
+ Error(ERR_EXIT, "This seems to be no valid definition -- please fix");
+ }
+
+ file_list[list_pos].token = config_list[i].token;
+ file_list[list_pos].default_filename = config_list[i].value;
+ }
+ }
+
+ num_file_list_entries_found = list_pos + 1;
+ if (num_file_list_entries_found != num_file_list_entries)
+ {
+ Error(ERR_RETURN_LINE, "-");
+ Error(ERR_RETURN, "inconsistant config list information:");
+ Error(ERR_RETURN, "- should be: %d (according to 'src/conf_gfx.h')",
+ num_file_list_entries);
+ Error(ERR_RETURN, "- found to be: %d (according to 'src/conf_gfx.c')",
+ num_file_list_entries_found);
+ Error(ERR_EXIT, "please fix");
+ }
+
+ return file_list;
+}
+
+static boolean token_suffix_match(char *token, char *suffix, int start_pos)
+{
+ int len_token = strlen(token);
+ int len_suffix = strlen(suffix);
+
+#if 0
+ if (IS_PARENT_PROCESS(audio.mixer_pid))
+ printf(":::::::::: check '%s' for '%s' ::::::::::\n", token, suffix);
+#endif
+
+ if (start_pos < 0) /* compare suffix from end of string */
+ start_pos += len_token;
+
+ if (start_pos < 0 || start_pos + len_suffix > len_token)
+ return FALSE;
+
+ if (strncmp(&token[start_pos], suffix, len_suffix) != 0)
+ return FALSE;
+
+ if (token[start_pos + len_suffix] == '\0')
+ return TRUE;
+
+ if (token[start_pos + len_suffix] == '.')
+ return TRUE;
+
+ return FALSE;
+}
+
+#define KNOWN_TOKEN_VALUE "[KNOWN_TOKEN]"
+
+static void read_token_parameters(struct SetupFileList *setup_file_list,
+ struct ConfigInfo *suffix_list,
+ struct FileInfo *file_list_entry)
+{
+ /* check for config token that is the base token without any suffixes */
+ char *filename = getTokenValue(setup_file_list, file_list_entry->token);
+ char *known_token_value = KNOWN_TOKEN_VALUE;
+ int i;
+
+ if (filename != NULL)
+ {
+ /* when file definition found, set all parameters to default values */
+ for (i=0; suffix_list[i].token != NULL; i++)
+ file_list_entry->parameter[i] =
+ get_parameter_value(suffix_list[i].type, suffix_list[i].value);
+
+ file_list_entry->filename = getStringCopy(filename);
+
+ /* mark config file token as well known from default config */
+ setTokenValue(setup_file_list, file_list_entry->token, known_token_value);
+ }
+ else
+ file_list_entry->filename =
+ getStringCopy(file_list_entry->default_filename);
+
+ /* check for config tokens that can be build by base token and suffixes */
+ for (i=0; suffix_list[i].token != NULL; i++)
+ {
+ char *token = getStringCat2(file_list_entry->token, suffix_list[i].token);
+ char *value = getTokenValue(setup_file_list, token);
+
+ if (value != NULL)
+ {
+ file_list_entry->parameter[i] =
+ get_parameter_value(suffix_list[i].type, value);
+
+ /* mark config file token as well known from default config */
+ setTokenValue(setup_file_list, token, known_token_value);
+ }
+
+ free(token);
+ }
+}
+
+static void add_dynamic_file_list_entry(struct FileInfo **list,
+ int *num_list_entries,
+ struct SetupFileList *extra_file_list,
+ struct ConfigInfo *suffix_list,
+ int num_suffix_list_entries,
+ char *token)
+{
+ struct FileInfo *new_list_entry;
+ int parameter_array_size = num_suffix_list_entries * sizeof(int);
+
+#if 0
+ if (IS_PARENT_PROCESS(audio.mixer_pid))
+ printf("===> found dynamic definition '%s'\n", token);
+#endif
+
+ (*num_list_entries)++;
+ *list = checked_realloc(*list, *num_list_entries * sizeof(struct FileInfo));
+ new_list_entry = &(*list)[*num_list_entries - 1];
+
+ new_list_entry->token = getStringCopy(token);
+ new_list_entry->parameter = checked_calloc(parameter_array_size);
+
+ read_token_parameters(extra_file_list, suffix_list, new_list_entry);
+}
+
+void LoadArtworkConfig(struct ArtworkListInfo *artwork_info)
+{
+ struct FileInfo *file_list = artwork_info->file_list;
+ struct ConfigInfo *suffix_list = artwork_info->suffix_list;
+ char **base_prefixes = artwork_info->base_prefixes;
+ char **ext1_suffixes = artwork_info->ext1_suffixes;
+ char **ext2_suffixes = artwork_info->ext2_suffixes;
+ int num_file_list_entries = artwork_info->num_file_list_entries;
+ int num_suffix_list_entries = artwork_info->num_suffix_list_entries;
+ int num_base_prefixes = artwork_info->num_base_prefixes;
+ int num_ext1_suffixes = artwork_info->num_ext1_suffixes;
+ int num_ext2_suffixes = artwork_info->num_ext2_suffixes;
+ char *filename = getCustomArtworkConfigFilename(artwork_info->type);
+ struct SetupFileList *setup_file_list;
+ struct SetupFileList *extra_file_list = NULL;
+ struct SetupFileList *list;
+ char *known_token_value = KNOWN_TOKEN_VALUE;
+ int i, j, k;
+
+#if 0
+ printf("GOT CUSTOM ARTWORK CONFIG FILE '%s'\n", filename);
+#endif
+
+ /* always start with reliable default values */
+ for (i=0; i<num_file_list_entries; i++)
+ {
+ if (file_list[i].filename != NULL)
+ free(file_list[i].filename);
+ file_list[i].filename = NULL;
+
+ for (j=0; j<num_suffix_list_entries; j++)
+ file_list[i].parameter[j] = file_list[i].default_parameter[j];
+ }
+
+ /* free previous dynamic artwork file array */
+ if (artwork_info->dynamic_file_list != NULL)
+ {
+ for (i=0; i<artwork_info->num_dynamic_file_list_entries; i++)
+ {
+ free(artwork_info->dynamic_file_list[i].token);
+ free(artwork_info->dynamic_file_list[i].filename);
+ free(artwork_info->dynamic_file_list[i].parameter);
+ }
+
+ free(artwork_info->dynamic_file_list);
+
+ artwork_info->dynamic_file_list = NULL;
+ artwork_info->num_dynamic_file_list_entries = 0;
+ }
+
+ if (filename == NULL)
+ return;
+
+ if ((setup_file_list = loadSetupFileList(filename)) == NULL)
+ return;
+
+ /* read parameters for all known config file tokens */
+ for (i=0; i<num_file_list_entries; i++)
+ read_token_parameters(setup_file_list, suffix_list, &file_list[i]);
+
+ /* set some additional tokens to "known" */
+ setTokenValue(setup_file_list, "name", known_token_value);
+ setTokenValue(setup_file_list, "sort_priority", known_token_value);
+
+ /* copy all unknown config file tokens to extra config list */
+ for (list = setup_file_list; list != NULL; list = list->next)
+ {
+ if (strcmp(list->value, known_token_value) != 0)
+ {
+ if (extra_file_list == NULL)
+ extra_file_list = newSetupFileList(list->token, list->value);
+ else
+ setTokenValue(extra_file_list, list->token, list->value);
+ }
+ }
+
+ /* at this point, we do not need the config file list anymore -- free it */
+ freeSetupFileList(setup_file_list);
+
+ /* now try to determine valid, dynamically defined config tokens */
+
+ for (list = extra_file_list; list != NULL; list = list->next)
+ {
+ struct FileInfo **dynamic_file_list = &artwork_info->dynamic_file_list;
+ int *num_dynamic_file_list_entries =
+ &artwork_info->num_dynamic_file_list_entries;
+ char *token = list->token;
+ int len_token = strlen(token);
+ int start_pos;
+ boolean base_prefix_found = FALSE;
+ boolean parameter_suffix_found = FALSE;
+
+ /* skip all parameter definitions (handled by read_token_parameters()) */
+ for (i=0; i < num_suffix_list_entries && !parameter_suffix_found; i++)
+ {
+ int len_suffix = strlen(suffix_list[i].token);
+
+ if (token_suffix_match(token, suffix_list[i].token, -len_suffix))
+ parameter_suffix_found = TRUE;
+ }
+
+#if 0
+ if (IS_PARENT_PROCESS(audio.mixer_pid))
+ {
+ if (parameter_suffix_found)
+ printf("---> skipping token '%s' (parameter token)\n", token);
+ else
+ printf("---> examining token '%s': search prefix ...\n", token);
+ }
+#endif
+
+ if (parameter_suffix_found)
+ continue;
+
+ /* ---------- step 1: search for matching base prefix ---------- */
+
+ start_pos = 0;
+ for (i=0; i<num_base_prefixes && !base_prefix_found; i++)
+ {
+ char *base_prefix = base_prefixes[i];
+ int len_base_prefix = strlen(base_prefix);
+ boolean ext1_suffix_found = FALSE;
+
+ base_prefix_found = token_suffix_match(token, base_prefix, start_pos);
+
+ if (!base_prefix_found)
+ continue;
+
+ if (start_pos + len_base_prefix == len_token) /* exact match */
+ {
+ add_dynamic_file_list_entry(dynamic_file_list,
+ num_dynamic_file_list_entries,
+ extra_file_list,
+ suffix_list,
+ num_suffix_list_entries,
+ token);
+ continue;
+ }
+
+#if 0
+ if (IS_PARENT_PROCESS(audio.mixer_pid))
+ printf("---> examining token '%s': search 1st suffix ...\n", token);
+#endif
+
+ /* ---------- step 2: search for matching first suffix ---------- */
+
+ start_pos += len_base_prefix;
+ for (j=0; j<num_ext1_suffixes && !ext1_suffix_found; j++)
+ {
+ char *ext1_suffix = ext1_suffixes[j];
+ int len_ext1_suffix = strlen(ext1_suffix);
+ boolean ext2_suffix_found = FALSE;
+
+ ext1_suffix_found = token_suffix_match(token, ext1_suffix, start_pos);
+
+ if (!ext1_suffix_found)
+ continue;
+
+ if (start_pos + len_ext1_suffix == len_token) /* exact match */
+ {
+ add_dynamic_file_list_entry(dynamic_file_list,
+ num_dynamic_file_list_entries,
+ extra_file_list,
+ suffix_list,
+ num_suffix_list_entries,
+ token);
+ continue;
+ }
+
+#if 0
+ if (IS_PARENT_PROCESS(audio.mixer_pid))
+ printf("---> examining token '%s': search 2nd suffix ...\n", token);
+#endif
+
+ /* ---------- step 3: search for matching second suffix ---------- */
+
+ start_pos += len_ext1_suffix;
+ for (k=0; k<num_ext2_suffixes && !ext2_suffix_found; k++)
+ {
+ char *ext2_suffix = ext2_suffixes[k];
+ int len_ext2_suffix = strlen(ext2_suffix);
+
+ ext2_suffix_found = token_suffix_match(token, ext2_suffix,start_pos);
+
+ if (!ext2_suffix_found)
+ continue;
+
+ if (start_pos + len_ext2_suffix == len_token) /* exact match */
+ {
+ add_dynamic_file_list_entry(dynamic_file_list,
+ num_dynamic_file_list_entries,
+ extra_file_list,
+ suffix_list,
+ num_suffix_list_entries,
+ token);
+ continue;
+ }
+ }
+ }
+ }
+ }
+
+ if (extra_file_list != NULL &&
+ options.verbose && IS_PARENT_PROCESS(audio.mixer_pid))
+ {
+ boolean dynamic_tokens_found = FALSE;
+ boolean unknown_tokens_found = FALSE;
+
+ for (list = extra_file_list; list != NULL; list = list->next)
+ {
+ if (strcmp(list->value, known_token_value) == 0)
+ dynamic_tokens_found = TRUE;
+ else
+ unknown_tokens_found = TRUE;
+ }
+
+#if DEBUG
+ if (dynamic_tokens_found)
+ {
+ Error(ERR_RETURN_LINE, "-");
+ Error(ERR_RETURN, "dynamic token(s) found:");
+
+ for (list = extra_file_list; list != NULL; list = list->next)
+ if (strcmp(list->value, known_token_value) == 0)
+ Error(ERR_RETURN, "- dynamic token: '%s'", list->token);
+
+ Error(ERR_RETURN_LINE, "-");
+ }
+#endif
+
+ if (unknown_tokens_found)
+ {
+ Error(ERR_RETURN_LINE, "-");
+ Error(ERR_RETURN, "warning: unknown token(s) found in config file:");
+ Error(ERR_RETURN, "- config file: '%s'", filename);
+
+ for (list = extra_file_list; list != NULL; list = list->next)
+ if (strcmp(list->value, known_token_value) != 0)
+ Error(ERR_RETURN, "- unknown token: '%s'", list->token);
+
+ Error(ERR_RETURN_LINE, "-");
+ }
+ }
+
+ freeSetupFileList(extra_file_list);
+
+#if 0
+ for (i=0; i<num_file_list_entries; i++)
+ {
+ printf("'%s' ", file_list[i].token);
+ if (file_list[i].filename)
+ printf("-> '%s'\n", file_list[i].filename);
+ else
+ printf("-> UNDEFINED [-> '%s']\n", file_list[i].default_filename);
+ }
+#endif
+}
+
+static void deleteArtworkListEntry(struct ArtworkListInfo *artwork_info,
+ struct ListNodeInfo **listnode)