+/* ------------------------------------------------------------------------- */
+
+/* This function checks if a string <s> of the format "string1, string2, ..."
+ exactly contains a string <s_contained>. */
+
+static boolean string_has_parameter(char *s, char *s_contained)
+{
+ char *substring;
+
+ if (s == NULL || s_contained == NULL)
+ return FALSE;
+
+ if (strlen(s_contained) > strlen(s))
+ return FALSE;
+
+ if (strncmp(s, s_contained, strlen(s_contained)) == 0)
+ {
+ char next_char = s[strlen(s_contained)];
+
+ /* check if next character is delimiter or whitespace */
+ return (next_char == ',' || next_char == '\0' ||
+ next_char == ' ' || next_char == '\t' ? TRUE : FALSE);
+ }
+
+ /* check if string contains another parameter string after a comma */
+ substring = strchr(s, ',');
+ if (substring == NULL) /* string does not contain a comma */
+ return FALSE;
+
+ /* advance string pointer to next character after the comma */
+ substring++;
+
+ /* skip potential whitespaces after the comma */
+ while (*substring == ' ' || *substring == '\t')
+ substring++;
+
+ return string_has_parameter(substring, s_contained);
+}
+
+int get_parameter_value(char *suffix, char *value_raw, int type)
+{
+ char *value = getStringToLower(value_raw);
+ int result = 0; /* probably a save default value */
+
+ if (strcmp(suffix, ".direction") == 0)
+ {
+ result = (strcmp(value, "left") == 0 ? MV_LEFT :
+ strcmp(value, "right") == 0 ? MV_RIGHT :
+ strcmp(value, "up") == 0 ? MV_UP :
+ strcmp(value, "down") == 0 ? MV_DOWN : MV_NO_MOVING);
+ }
+ else if (strcmp(suffix, ".anim_mode") == 0)
+ {
+ result = (string_has_parameter(value, "none") ? ANIM_NONE :
+ string_has_parameter(value, "loop") ? ANIM_LOOP :
+ string_has_parameter(value, "linear") ? ANIM_LINEAR :
+ string_has_parameter(value, "pingpong") ? ANIM_PINGPONG :
+ string_has_parameter(value, "pingpong2") ? ANIM_PINGPONG2 :
+ string_has_parameter(value, "random") ? ANIM_RANDOM :
+ string_has_parameter(value, "horizontal") ? ANIM_HORIZONTAL :
+ string_has_parameter(value, "vertical") ? ANIM_VERTICAL :
+ ANIM_DEFAULT);
+
+ if (string_has_parameter(value, "reverse"))
+ result |= ANIM_REVERSE;
+ }
+ else /* generic parameter of type integer or boolean */
+ {
+ result = (strcmp(value, ARG_UNDEFINED) == 0 ? ARG_UNDEFINED_VALUE :
+ type == TYPE_INTEGER ? get_integer_from_string(value) :
+ type == TYPE_BOOLEAN ? get_boolean_from_string(value) :
+ ARG_UNDEFINED_VALUE);
+ }
+
+ free(value);
+
+ return result;
+}
+
+int get_auto_parameter_value(char *token, char *value_raw)
+{
+ char *suffix;
+
+ if (token == NULL || value_raw == NULL)
+ return ARG_UNDEFINED_VALUE;
+
+ suffix = strrchr(token, '.');
+ if (suffix == NULL)
+ suffix = token;
+
+ return get_parameter_value(suffix, value_raw, TYPE_INTEGER);
+}
+
+static void FreeCustomArtworkList(struct ArtworkListInfo *,
+ struct ListNodeInfo ***, int *);
+
+struct FileInfo *getFileListFromConfigList(struct ConfigInfo *config_list,
+ struct ConfigTypeInfo *suffix_list,
+ char **ignore_tokens,
+ 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;
+ 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(char *);
+
+ 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++)
+ {
+ setString(&file_list[i].default_parameter[j], suffix_list[j].value);
+ setString(&file_list[i].parameter[j], suffix_list[j].value);
+ }
+ }
+ }
+
+ list_pos = 0;
+ 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)
+ {
+ setString(&file_list[list_pos].default_parameter[j],
+ config_list[i].value);
+
+ is_file_entry = FALSE;
+ break;
+ }
+ }
+
+ /* the following tokens are no file definitions, but other config tokens */
+ for (j = 0; ignore_tokens[j] != NULL; j++)
+ if (strcmp(config_list[i].token, ignore_tokens[j]) == 0)
+ is_file_entry = FALSE;
+
+ 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");
+ }