+boolean strSuffix(char *s, char *suffix)
+{
+ return (s == NULL && suffix == NULL ? TRUE :
+ s == NULL && suffix != NULL ? FALSE :
+ s != NULL && suffix == NULL ? FALSE :
+ strlen(s) < strlen(suffix) ? FALSE :
+ strncmp(&s[strlen(s) - strlen(suffix)], suffix, strlen(suffix)) == 0);
+}
+
+boolean strPrefixLower(char *s, char *prefix)
+{
+ char *s_lower = getStringToLower(s);
+ boolean match = strPrefix(s_lower, prefix);
+
+ free(s_lower);
+
+ return match;
+}
+
+boolean strSuffixLower(char *s, char *suffix)
+{
+ char *s_lower = getStringToLower(s);
+ boolean match = strSuffix(s_lower, suffix);
+
+ free(s_lower);
+
+ return match;
+}
+
+
+/* ------------------------------------------------------------------------- */
+/* command line option handling functions */
+/* ------------------------------------------------------------------------- */
+
+void GetOptions(int argc, char *argv[],
+ void (*print_usage_function)(void),
+ void (*print_version_function)(void))
+{
+ char *ro_base_path = getProgramMainDataPath(argv[0], RO_BASE_PATH);
+ char *rw_base_path = getProgramMainDataPath(argv[0], RW_BASE_PATH);
+ char **argvplus = checked_calloc((argc + 1) * sizeof(char **));
+ char **options_left = &argvplus[1];
+
+ /* replace original "argv" with null-terminated array of string pointers */
+ while (argc--)
+ argvplus[argc] = argv[argc];
+
+ /* initialize global program options */
+ options.server_host = NULL;
+ options.server_port = 0;
+
+ options.ro_base_directory = ro_base_path;
+ options.rw_base_directory = rw_base_path;
+ options.level_directory = getPath2(ro_base_path, LEVELS_DIRECTORY);
+ options.graphics_directory = getPath2(ro_base_path, GRAPHICS_DIRECTORY);
+ options.sounds_directory = getPath2(ro_base_path, SOUNDS_DIRECTORY);
+ options.music_directory = getPath2(ro_base_path, MUSIC_DIRECTORY);
+ options.docs_directory = getPath2(ro_base_path, DOCS_DIRECTORY);
+ options.conf_directory = getPath2(ro_base_path, CONF_DIRECTORY);
+
+ options.execute_command = NULL;
+ options.special_flags = NULL;
+
+ options.mytapes = FALSE;
+ options.serveronly = FALSE;
+ options.network = FALSE;
+ options.verbose = FALSE;
+ options.debug = FALSE;
+
+#if 1
+ options.verbose = TRUE;
+#else
+#if !defined(PLATFORM_UNIX)
+ if (*options_left == NULL) /* no options given -- enable verbose mode */
+ options.verbose = TRUE;
+#endif
+#endif
+
+#if DEBUG
+#if defined(PLATFORM_ANDROID)
+ options.debug = TRUE;
+#endif
+#endif
+
+ while (*options_left)
+ {
+ char option_str[MAX_OPTION_LEN];
+ char *option = options_left[0];
+ char *next_option = options_left[1];
+ char *option_arg = NULL;
+ int option_len = strlen(option);
+
+ if (option_len >= MAX_OPTION_LEN)
+ Error(ERR_EXIT_HELP, "unrecognized option '%s'", option);
+
+ strcpy(option_str, option); /* copy argument into buffer */
+ option = option_str;
+
+ if (strEqual(option, "--")) /* stop scanning arguments */
+ break;
+
+ if (strPrefix(option, "--")) /* treat '--' like '-' */
+ option++;
+
+ option_arg = strchr(option, '=');
+ if (option_arg == NULL) /* no '=' in option */
+ option_arg = next_option;
+ else
+ {
+ *option_arg++ = '\0'; /* cut argument from option */
+ if (*option_arg == '\0') /* no argument after '=' */
+ Error(ERR_EXIT_HELP, "option '%s' has invalid argument", option_str);
+ }
+
+ option_len = strlen(option);
+
+ if (strEqual(option, "-"))
+ {
+ Error(ERR_EXIT_HELP, "unrecognized option '%s'", option);
+ }
+ else if (strncmp(option, "-help", option_len) == 0)
+ {
+ print_usage_function();
+
+ exit(0);
+ }
+ else if (strncmp(option, "-basepath", option_len) == 0)
+ {
+ if (option_arg == NULL)
+ Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
+
+ /* this should be extended to separate options for ro and rw data */
+ options.ro_base_directory = ro_base_path = option_arg;
+ options.rw_base_directory = rw_base_path = option_arg;
+ if (option_arg == next_option)
+ options_left++;
+
+ /* adjust paths for sub-directories in base directory accordingly */
+ options.level_directory = getPath2(ro_base_path, LEVELS_DIRECTORY);
+ options.graphics_directory = getPath2(ro_base_path, GRAPHICS_DIRECTORY);
+ options.sounds_directory = getPath2(ro_base_path, SOUNDS_DIRECTORY);
+ options.music_directory = getPath2(ro_base_path, MUSIC_DIRECTORY);
+ options.docs_directory = getPath2(ro_base_path, DOCS_DIRECTORY);
+ options.conf_directory = getPath2(ro_base_path, CONF_DIRECTORY);
+ }
+ else if (strncmp(option, "-levels", option_len) == 0)
+ {
+ if (option_arg == NULL)
+ Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
+
+ options.level_directory = option_arg;
+ if (option_arg == next_option)
+ options_left++;
+ }
+ else if (strncmp(option, "-graphics", option_len) == 0)
+ {
+ if (option_arg == NULL)
+ Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
+
+ options.graphics_directory = option_arg;
+ if (option_arg == next_option)
+ options_left++;
+ }
+ else if (strncmp(option, "-sounds", option_len) == 0)
+ {
+ if (option_arg == NULL)
+ Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
+
+ options.sounds_directory = option_arg;
+ if (option_arg == next_option)
+ options_left++;
+ }
+ else if (strncmp(option, "-music", option_len) == 0)
+ {
+ if (option_arg == NULL)
+ Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
+
+ options.music_directory = option_arg;
+ if (option_arg == next_option)
+ options_left++;
+ }
+ else if (strncmp(option, "-mytapes", option_len) == 0)
+ {
+ options.mytapes = TRUE;
+ }
+ else if (strncmp(option, "-network", option_len) == 0)
+ {
+ options.network = TRUE;
+ }
+ else if (strncmp(option, "-serveronly", option_len) == 0)
+ {
+ options.serveronly = TRUE;
+ }
+ else if (strncmp(option, "-debug", option_len) == 0)
+ {
+ options.debug = TRUE;
+ }
+ else if (strncmp(option, "-verbose", option_len) == 0)
+ {
+ options.verbose = TRUE;
+ }
+ else if (strncmp(option, "-version", option_len) == 0 ||
+ strncmp(option, "-V", option_len) == 0)
+ {
+ print_version_function();
+
+ exit(0);
+ }
+ else if (strPrefix(option, "-D"))
+ {
+ options.special_flags = getStringCopy(&option[2]);
+ }
+ else if (strncmp(option, "-execute", option_len) == 0)
+ {
+ if (option_arg == NULL)
+ Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
+
+ options.execute_command = option_arg;
+ if (option_arg == next_option)
+ options_left++;
+
+ /* when doing batch processing, always enable verbose mode (warnings) */
+ options.verbose = TRUE;
+ }
+#if defined(PLATFORM_MACOSX)
+ else if (strPrefix(option, "-psn"))
+ {
+ /* ignore process serial number when launched via GUI on Mac OS X */
+ }
+#endif
+ else if (*option == '-')
+ {
+ Error(ERR_EXIT_HELP, "unrecognized option '%s'", option_str);
+ }
+ else if (options.server_host == NULL)
+ {
+ options.server_host = *options_left;
+ }
+ else if (options.server_port == 0)
+ {
+ options.server_port = atoi(*options_left);
+ if (options.server_port < 1024)
+ Error(ERR_EXIT_HELP, "bad port number '%d'", options.server_port);
+ }
+ else
+ Error(ERR_EXIT_HELP, "too many arguments");
+
+ options_left++;
+ }
+}
+
+
+/* ------------------------------------------------------------------------- */
+/* error handling functions */
+/* ------------------------------------------------------------------------- */
+
+#define MAX_INTERNAL_ERROR_SIZE 1024
+
+/* used by SetError() and GetError() to store internal error messages */
+static char internal_error[MAX_INTERNAL_ERROR_SIZE];
+
+void SetError(char *format, ...)
+{
+ va_list ap;
+
+ va_start(ap, format);
+ vsnprintf(internal_error, MAX_INTERNAL_ERROR_SIZE, format, ap);
+ va_end(ap);
+}
+
+char *GetError()
+{
+ return internal_error;
+}
+
+void Error(int mode, char *format, ...)
+{
+ static boolean last_line_was_separator = FALSE;
+ char *process_name = "";
+
+ if (program.log_file[LOG_ERR_ID] == NULL)
+ return;
+
+#if defined(PLATFORM_ANDROID)
+ android_log_prio = (mode & ERR_DEBUG ? ANDROID_LOG_DEBUG :
+ mode & ERR_INFO ? ANDROID_LOG_INFO :
+ mode & ERR_WARN ? ANDROID_LOG_WARN :
+ mode & ERR_EXIT ? ANDROID_LOG_FATAL :
+ ANDROID_LOG_UNKNOWN);
+#endif
+
+ /* display debug messages only when running in debug mode */
+ if (mode & ERR_DEBUG && !options.debug)
+ return;
+
+ /* display warnings only when running in verbose mode */
+ if (mode & ERR_WARN && !options.verbose)
+ return;
+
+ if (mode == ERR_INFO_LINE)
+ {
+ if (!last_line_was_separator)
+ printf_log_line(format, 79);
+
+ last_line_was_separator = TRUE;
+
+ return;
+ }
+
+ last_line_was_separator = FALSE;
+
+ if (mode & ERR_SOUND_SERVER)
+ process_name = " sound server";
+ else if (mode & ERR_NETWORK_SERVER)
+ process_name = " network server";
+ else if (mode & ERR_NETWORK_CLIENT)
+ process_name = " network client **";
+
+ if (format)
+ {
+#if !defined(PLATFORM_ANDROID)
+ printf_log_nonewline("%s%s: ", program.command_basename, process_name);
+#endif
+
+ if (mode & ERR_WARN)
+ printf_log_nonewline("warning: ");
+
+ if (mode & ERR_EXIT)
+ printf_log_nonewline("fatal error: ");
+
+ va_list ap;
+
+ va_start(ap, format);
+ vprintf_log(format, ap);
+ va_end(ap);
+
+ if ((mode & ERR_EXIT) && !(mode & ERR_FROM_SERVER))
+ {
+ va_start(ap, format);
+ program.exit_message_function(format, ap);
+ va_end(ap);
+ }
+ }
+
+ if (mode & ERR_HELP)
+ printf_log("%s: Try option '--help' for more information.",
+ program.command_basename);
+
+ if (mode & ERR_EXIT)
+ printf_log("%s%s: aborting", program.command_basename, process_name);
+
+ if (mode & ERR_EXIT)
+ {
+ if (mode & ERR_FROM_SERVER)
+ exit(1); /* child process: normal exit */
+ else
+ program.exit_function(1); /* main process: clean up stuff */
+ }
+}
+
+
+/* ------------------------------------------------------------------------- */
+/* checked memory allocation and freeing functions */
+/* ------------------------------------------------------------------------- */
+
+void *checked_malloc(unsigned int size)
+{
+ void *ptr;
+
+ ptr = malloc(size);
+
+ if (ptr == NULL)
+ Error(ERR_EXIT, "cannot allocate %d bytes -- out of memory", size);
+
+ return ptr;
+}
+
+void *checked_calloc(unsigned int size)
+{
+ void *ptr;
+
+ ptr = calloc(1, size);
+
+ if (ptr == NULL)
+ Error(ERR_EXIT, "cannot allocate %d bytes -- out of memory", size);
+
+ return ptr;
+}
+
+void *checked_realloc(void *ptr, unsigned int size)
+{
+ ptr = realloc(ptr, size);
+
+ if (ptr == NULL)
+ Error(ERR_EXIT, "cannot allocate %d bytes -- out of memory", size);
+
+ return ptr;
+}
+
+void checked_free(void *ptr)
+{
+ if (ptr != NULL) /* this check should be done by free() anyway */
+ free(ptr);
+}
+
+void clear_mem(void *ptr, unsigned int size)
+{
+#if defined(PLATFORM_WIN32)
+ /* for unknown reason, memset() sometimes crashes when compiled with MinGW */
+ char *cptr = (char *)ptr;
+
+ while (size--)
+ *cptr++ = 0;
+#else
+ memset(ptr, 0, size);
+#endif
+}
+
+
+/* ------------------------------------------------------------------------- */
+/* various helper functions */
+/* ------------------------------------------------------------------------- */
+
+void swap_numbers(int *i1, int *i2)
+{
+ int help = *i1;
+
+ *i1 = *i2;
+ *i2 = help;
+}
+
+void swap_number_pairs(int *x1, int *y1, int *x2, int *y2)
+{
+ int help_x = *x1;
+ int help_y = *y1;
+
+ *x1 = *x2;
+ *x2 = help_x;
+
+ *y1 = *y2;
+ *y2 = help_y;
+}
+
+/* the "put" variants of the following file access functions check for the file
+ pointer being != NULL and return the number of bytes they have or would have
+ written; this allows for chunk writing functions to first determine the size
+ of the (not yet written) chunk, write the correct chunk size and finally
+ write the chunk itself */
+
+int getFile8BitInteger(File *file)
+{
+ return getByteFromFile(file);
+}
+
+int putFile8BitInteger(FILE *file, int value)
+{
+ if (file != NULL)
+ fputc(value, file);
+
+ return 1;
+}
+
+int getFile16BitInteger(File *file, int byte_order)
+{
+ if (byte_order == BYTE_ORDER_BIG_ENDIAN)
+ return ((getByteFromFile(file) << 8) |
+ (getByteFromFile(file) << 0));
+ else /* BYTE_ORDER_LITTLE_ENDIAN */
+ return ((getByteFromFile(file) << 0) |
+ (getByteFromFile(file) << 8));
+}
+
+int putFile16BitInteger(FILE *file, int value, int byte_order)
+{
+ if (file != NULL)
+ {
+ if (byte_order == BYTE_ORDER_BIG_ENDIAN)
+ {
+ fputc((value >> 8) & 0xff, file);
+ fputc((value >> 0) & 0xff, file);
+ }
+ else /* BYTE_ORDER_LITTLE_ENDIAN */
+ {
+ fputc((value >> 0) & 0xff, file);
+ fputc((value >> 8) & 0xff, file);
+ }
+ }
+
+ return 2;
+}
+
+int getFile32BitInteger(File *file, int byte_order)
+{
+ if (byte_order == BYTE_ORDER_BIG_ENDIAN)
+ return ((getByteFromFile(file) << 24) |
+ (getByteFromFile(file) << 16) |
+ (getByteFromFile(file) << 8) |
+ (getByteFromFile(file) << 0));
+ else /* BYTE_ORDER_LITTLE_ENDIAN */
+ return ((getByteFromFile(file) << 0) |
+ (getByteFromFile(file) << 8) |
+ (getByteFromFile(file) << 16) |
+ (getByteFromFile(file) << 24));
+}
+
+int putFile32BitInteger(FILE *file, int value, int byte_order)
+{
+ if (file != NULL)
+ {
+ if (byte_order == BYTE_ORDER_BIG_ENDIAN)
+ {
+ fputc((value >> 24) & 0xff, file);
+ fputc((value >> 16) & 0xff, file);
+ fputc((value >> 8) & 0xff, file);
+ fputc((value >> 0) & 0xff, file);
+ }
+ else /* BYTE_ORDER_LITTLE_ENDIAN */
+ {
+ fputc((value >> 0) & 0xff, file);
+ fputc((value >> 8) & 0xff, file);
+ fputc((value >> 16) & 0xff, file);
+ fputc((value >> 24) & 0xff, file);
+ }
+ }
+
+ return 4;
+}
+
+boolean getFileChunk(File *file, char *chunk_name, int *chunk_size,
+ int byte_order)
+{
+ const int chunk_name_length = 4;
+
+ /* read chunk name */
+ if (getStringFromFile(file, chunk_name, chunk_name_length + 1) == NULL)
+ return FALSE;
+
+ if (chunk_size != NULL)
+ {
+ /* read chunk size */
+ *chunk_size = getFile32BitInteger(file, byte_order);
+ }
+
+ return (checkEndOfFile(file) ? FALSE : TRUE);
+}
+
+int putFileChunk(FILE *file, char *chunk_name, int chunk_size,
+ int byte_order)
+{
+ int num_bytes = 0;
+
+ /* write chunk name */
+ if (file != NULL)
+ fputs(chunk_name, file);
+
+ num_bytes += strlen(chunk_name);
+
+ if (chunk_size >= 0)
+ {
+ /* write chunk size */
+ if (file != NULL)
+ putFile32BitInteger(file, chunk_size, byte_order);
+
+ num_bytes += 4;
+ }
+
+ return num_bytes;
+}
+
+int getFileVersion(File *file)
+{
+ int version_super = getByteFromFile(file);
+ int version_major = getByteFromFile(file);
+ int version_minor = getByteFromFile(file);
+ int version_patch = getByteFromFile(file);
+
+ return VERSION_IDENT(version_super, version_major, version_minor,
+ version_patch);
+}
+
+int putFileVersion(FILE *file, int version)
+{
+ if (file != NULL)
+ {
+ int version_super = VERSION_SUPER(version);
+ int version_major = VERSION_MAJOR(version);
+ int version_minor = VERSION_MINOR(version);
+ int version_patch = VERSION_PATCH(version);
+
+ fputc(version_super, file);
+ fputc(version_major, file);
+ fputc(version_minor, file);
+ fputc(version_patch, file);
+ }
+
+ return 4;
+}
+
+void ReadBytesFromFile(File *file, byte *buffer, unsigned int bytes)
+{
+ int i;
+
+ for (i = 0; i < bytes && !checkEndOfFile(file); i++)
+ buffer[i] = getByteFromFile(file);
+}
+
+void WriteBytesToFile(FILE *file, byte *buffer, unsigned int bytes)
+{
+ int i;
+
+ for(i = 0; i < bytes; i++)
+ fputc(buffer[i], file);
+}
+
+void ReadUnusedBytesFromFile(File *file, unsigned int bytes)
+{
+ while (bytes-- && !checkEndOfFile(file))
+ getByteFromFile(file);
+}
+
+void WriteUnusedBytesToFile(FILE *file, unsigned int bytes)
+{
+ while (bytes--)
+ fputc(0, file);
+}
+
+
+/* ------------------------------------------------------------------------- */
+/* functions to translate key identifiers between different format */
+/* ------------------------------------------------------------------------- */
+
+#define TRANSLATE_KEYSYM_TO_KEYNAME 0
+#define TRANSLATE_KEYSYM_TO_X11KEYNAME 1
+#define TRANSLATE_KEYNAME_TO_KEYSYM 2
+#define TRANSLATE_X11KEYNAME_TO_KEYSYM 3
+
+void translate_keyname(Key *keysym, char **x11name, char **name, int mode)
+{
+ static struct
+ {
+ Key key;
+ char *x11name;
+ char *name;
+ } translate_key[] =
+ {
+ /* normal cursor keys */
+ { KSYM_Left, "XK_Left", "cursor left" },
+ { KSYM_Right, "XK_Right", "cursor right" },
+ { KSYM_Up, "XK_Up", "cursor up" },
+ { KSYM_Down, "XK_Down", "cursor down" },
+
+ /* keypad cursor keys */
+#ifdef KSYM_KP_Left
+ { KSYM_KP_Left, "XK_KP_Left", "keypad left" },
+ { KSYM_KP_Right, "XK_KP_Right", "keypad right" },
+ { KSYM_KP_Up, "XK_KP_Up", "keypad up" },
+ { KSYM_KP_Down, "XK_KP_Down", "keypad down" },
+#endif
+
+ /* other keypad keys */
+#ifdef KSYM_KP_Enter
+ { KSYM_KP_Enter, "XK_KP_Enter", "keypad enter" },
+ { KSYM_KP_Add, "XK_KP_Add", "keypad +" },
+ { KSYM_KP_Subtract, "XK_KP_Subtract", "keypad -" },
+ { KSYM_KP_Multiply, "XK_KP_Multiply", "keypad mltply" },
+ { KSYM_KP_Divide, "XK_KP_Divide", "keypad /" },
+ { KSYM_KP_Separator,"XK_KP_Separator", "keypad ," },
+#endif
+
+ /* modifier keys */
+ { KSYM_Shift_L, "XK_Shift_L", "left shift" },
+ { KSYM_Shift_R, "XK_Shift_R", "right shift" },
+ { KSYM_Control_L, "XK_Control_L", "left control" },
+ { KSYM_Control_R, "XK_Control_R", "right control" },
+ { KSYM_Meta_L, "XK_Meta_L", "left meta" },
+ { KSYM_Meta_R, "XK_Meta_R", "right meta" },
+ { KSYM_Alt_L, "XK_Alt_L", "left alt" },
+ { KSYM_Alt_R, "XK_Alt_R", "right alt" },
+#if !defined(TARGET_SDL2)
+ { KSYM_Super_L, "XK_Super_L", "left super" }, /* Win-L */
+ { KSYM_Super_R, "XK_Super_R", "right super" }, /* Win-R */
+#endif
+ { KSYM_Mode_switch, "XK_Mode_switch", "mode switch" }, /* Alt-R */
+ { KSYM_Multi_key, "XK_Multi_key", "multi key" }, /* Ctrl-R */
+
+ /* some special keys */
+ { KSYM_BackSpace, "XK_BackSpace", "backspace" },
+ { KSYM_Delete, "XK_Delete", "delete" },
+ { KSYM_Insert, "XK_Insert", "insert" },
+ { KSYM_Tab, "XK_Tab", "tab" },
+ { KSYM_Home, "XK_Home", "home" },
+ { KSYM_End, "XK_End", "end" },
+ { KSYM_Page_Up, "XK_Page_Up", "page up" },
+ { KSYM_Page_Down, "XK_Page_Down", "page down" },
+
+#if defined(TARGET_SDL2)
+ { KSYM_Select, "XK_Select", "select" },
+ { KSYM_Menu, "XK_Menu", "menu" }, /* menu key */
+ { KSYM_Back, "XK_Back", "back" }, /* back key */
+ { KSYM_PlayPause, "XK_PlayPause", "play/pause" },
+#if defined(PLATFORM_ANDROID)
+ { KSYM_Rewind, "XK_Rewind", "rewind" },
+ { KSYM_FastForward, "XK_FastForward", "fast forward" },
+#endif
+#endif
+
+ /* ASCII 0x20 to 0x40 keys (except numbers) */
+ { KSYM_space, "XK_space", "space" },
+ { KSYM_exclam, "XK_exclam", "!" },
+ { KSYM_quotedbl, "XK_quotedbl", "\"" },
+ { KSYM_numbersign, "XK_numbersign", "#" },
+ { KSYM_dollar, "XK_dollar", "$" },
+ { KSYM_percent, "XK_percent", "%" },
+ { KSYM_ampersand, "XK_ampersand", "&" },
+ { KSYM_apostrophe, "XK_apostrophe", "'" },
+ { KSYM_parenleft, "XK_parenleft", "(" },
+ { KSYM_parenright, "XK_parenright", ")" },
+ { KSYM_asterisk, "XK_asterisk", "*" },
+ { KSYM_plus, "XK_plus", "+" },
+ { KSYM_comma, "XK_comma", "," },
+ { KSYM_minus, "XK_minus", "-" },
+ { KSYM_period, "XK_period", "." },
+ { KSYM_slash, "XK_slash", "/" },
+ { KSYM_colon, "XK_colon", ":" },
+ { KSYM_semicolon, "XK_semicolon", ";" },
+ { KSYM_less, "XK_less", "<" },
+ { KSYM_equal, "XK_equal", "=" },
+ { KSYM_greater, "XK_greater", ">" },
+ { KSYM_question, "XK_question", "?" },
+ { KSYM_at, "XK_at", "@" },
+
+ /* more ASCII keys */
+ { KSYM_bracketleft, "XK_bracketleft", "[" },
+ { KSYM_backslash, "XK_backslash", "\\" },
+ { KSYM_bracketright,"XK_bracketright", "]" },
+ { KSYM_asciicircum, "XK_asciicircum", "^" },
+ { KSYM_underscore, "XK_underscore", "_" },
+ { KSYM_grave, "XK_grave", "grave" },
+ { KSYM_quoteleft, "XK_quoteleft", "quote left" },
+ { KSYM_braceleft, "XK_braceleft", "brace left" },
+ { KSYM_bar, "XK_bar", "bar" },
+ { KSYM_braceright, "XK_braceright", "brace right" },
+ { KSYM_asciitilde, "XK_asciitilde", "~" },
+
+ /* special (non-ASCII) keys */
+ { KSYM_degree, "XK_degree", "degree" },
+ { KSYM_Adiaeresis, "XK_Adiaeresis", "A umlaut" },
+ { KSYM_Odiaeresis, "XK_Odiaeresis", "O umlaut" },
+ { KSYM_Udiaeresis, "XK_Udiaeresis", "U umlaut" },
+ { KSYM_adiaeresis, "XK_adiaeresis", "a umlaut" },
+ { KSYM_odiaeresis, "XK_odiaeresis", "o umlaut" },
+ { KSYM_udiaeresis, "XK_udiaeresis", "u umlaut" },
+ { KSYM_ssharp, "XK_ssharp", "sharp s" },
+
+#if defined(TARGET_SDL2)
+ /* special (non-ASCII) keys (UTF-8, for reverse mapping only) */
+ { KSYM_degree, "XK_degree", "\xc2\xb0" },
+ { KSYM_Adiaeresis, "XK_Adiaeresis", "\xc3\x84" },
+ { KSYM_Odiaeresis, "XK_Odiaeresis", "\xc3\x96" },
+ { KSYM_Udiaeresis, "XK_Udiaeresis", "\xc3\x9c" },
+ { KSYM_adiaeresis, "XK_adiaeresis", "\xc3\xa4" },
+ { KSYM_odiaeresis, "XK_odiaeresis", "\xc3\xb6" },
+ { KSYM_udiaeresis, "XK_udiaeresis", "\xc3\xbc" },
+ { KSYM_ssharp, "XK_ssharp", "\xc3\x9f" },
+
+ /* other keys (for reverse mapping only) */
+ { KSYM_space, "XK_space", " " },
+#endif
+
+#if defined(TARGET_SDL2)
+ /* keypad keys are not in numerical order in SDL2 */
+ { KSYM_KP_0, "XK_KP_0", "keypad 0" },
+ { KSYM_KP_1, "XK_KP_1", "keypad 1" },
+ { KSYM_KP_2, "XK_KP_2", "keypad 2" },
+ { KSYM_KP_3, "XK_KP_3", "keypad 3" },
+ { KSYM_KP_4, "XK_KP_4", "keypad 4" },
+ { KSYM_KP_5, "XK_KP_5", "keypad 5" },
+ { KSYM_KP_6, "XK_KP_6", "keypad 6" },
+ { KSYM_KP_7, "XK_KP_7", "keypad 7" },
+ { KSYM_KP_8, "XK_KP_8", "keypad 8" },
+ { KSYM_KP_9, "XK_KP_9", "keypad 9" },
+#endif
+
+ /* end-of-array identifier */
+ { 0, NULL, NULL }
+ };
+
+ int i;
+
+ if (mode == TRANSLATE_KEYSYM_TO_KEYNAME)
+ {
+ static char name_buffer[30];
+ Key key = *keysym;
+
+ if (key >= KSYM_A && key <= KSYM_Z)
+ sprintf(name_buffer, "%c", 'A' + (char)(key - KSYM_A));
+ else if (key >= KSYM_a && key <= KSYM_z)
+ sprintf(name_buffer, "%c", 'a' + (char)(key - KSYM_a));
+ else if (key >= KSYM_0 && key <= KSYM_9)
+ sprintf(name_buffer, "%c", '0' + (char)(key - KSYM_0));
+#if !defined(TARGET_SDL2)
+ else if (key >= KSYM_KP_0 && key <= KSYM_KP_9)
+ sprintf(name_buffer, "keypad %c", '0' + (char)(key - KSYM_KP_0));
+#endif
+ else if (key >= KSYM_FKEY_FIRST && key <= KSYM_FKEY_LAST)
+ sprintf(name_buffer, "F%d", (int)(key - KSYM_FKEY_FIRST + 1));
+ else if (key == KSYM_UNDEFINED)
+ strcpy(name_buffer, "(undefined)");
+ else
+ {
+ i = 0;
+
+ do
+ {
+ if (key == translate_key[i].key)
+ {
+ strcpy(name_buffer, translate_key[i].name);
+ break;
+ }
+ }
+ while (translate_key[++i].name);
+
+ if (!translate_key[i].name)
+ strcpy(name_buffer, "(unknown)");
+ }
+
+ *name = name_buffer;
+ }
+ else if (mode == TRANSLATE_KEYSYM_TO_X11KEYNAME)
+ {
+ static char name_buffer[30];
+ Key key = *keysym;
+
+ if (key >= KSYM_A && key <= KSYM_Z)
+ sprintf(name_buffer, "XK_%c", 'A' + (char)(key - KSYM_A));
+ else if (key >= KSYM_a && key <= KSYM_z)
+ sprintf(name_buffer, "XK_%c", 'a' + (char)(key - KSYM_a));
+ else if (key >= KSYM_0 && key <= KSYM_9)
+ sprintf(name_buffer, "XK_%c", '0' + (char)(key - KSYM_0));
+#if !defined(TARGET_SDL2)
+ else if (key >= KSYM_KP_0 && key <= KSYM_KP_9)
+ sprintf(name_buffer, "XK_KP_%c", '0' + (char)(key - KSYM_KP_0));
+#endif
+ else if (key >= KSYM_FKEY_FIRST && key <= KSYM_FKEY_LAST)
+ sprintf(name_buffer, "XK_F%d", (int)(key - KSYM_FKEY_FIRST + 1));
+ else if (key == KSYM_UNDEFINED)
+ strcpy(name_buffer, "[undefined]");
+ else
+ {
+ i = 0;
+
+ do
+ {
+ if (key == translate_key[i].key)
+ {
+ strcpy(name_buffer, translate_key[i].x11name);
+ break;
+ }
+ }
+ while (translate_key[++i].x11name);
+
+ if (!translate_key[i].x11name)
+ sprintf(name_buffer, "0x%04x", (unsigned int)key);
+ }
+
+ *x11name = name_buffer;
+ }
+ else if (mode == TRANSLATE_KEYNAME_TO_KEYSYM)
+ {
+ Key key = KSYM_UNDEFINED;
+ char *name_ptr = *name;
+
+ if (strlen(*name) == 1)
+ {
+ char c = name_ptr[0];
+
+ if (c >= 'A' && c <= 'Z')
+ key = KSYM_A + (Key)(c - 'A');
+ else if (c >= 'a' && c <= 'z')
+ key = KSYM_a + (Key)(c - 'a');
+ else if (c >= '0' && c <= '9')
+ key = KSYM_0 + (Key)(c - '0');
+ }
+
+ if (key == KSYM_UNDEFINED)
+ {
+ i = 0;
+
+ do
+ {
+ if (strEqual(translate_key[i].name, *name))
+ {
+ key = translate_key[i].key;
+ break;
+ }
+ }
+ while (translate_key[++i].x11name);
+ }
+
+ if (key == KSYM_UNDEFINED)
+ Error(ERR_WARN, "getKeyFromKeyName(): not completely implemented");
+
+ *keysym = key;
+ }
+ else if (mode == TRANSLATE_X11KEYNAME_TO_KEYSYM)
+ {
+ Key key = KSYM_UNDEFINED;
+ char *name_ptr = *x11name;
+
+ if (strPrefix(name_ptr, "XK_") && strlen(name_ptr) == 4)
+ {
+ char c = name_ptr[3];
+
+ if (c >= 'A' && c <= 'Z')
+ key = KSYM_A + (Key)(c - 'A');
+ else if (c >= 'a' && c <= 'z')
+ key = KSYM_a + (Key)(c - 'a');
+ else if (c >= '0' && c <= '9')
+ key = KSYM_0 + (Key)(c - '0');
+ }
+#if !defined(TARGET_SDL2)
+ else if (strPrefix(name_ptr, "XK_KP_") && strlen(name_ptr) == 7)
+ {
+ char c = name_ptr[6];
+
+ if (c >= '0' && c <= '9')
+ key = KSYM_KP_0 + (Key)(c - '0');
+ }
+#endif
+ else if (strPrefix(name_ptr, "XK_F") && strlen(name_ptr) <= 6)
+ {
+ char c1 = name_ptr[4];
+ char c2 = name_ptr[5];
+ int d = 0;
+
+ if ((c1 >= '0' && c1 <= '9') &&
+ ((c2 >= '0' && c1 <= '9') || c2 == '\0'))
+ d = atoi(&name_ptr[4]);
+
+ if (d >= 1 && d <= KSYM_NUM_FKEYS)
+ key = KSYM_F1 + (Key)(d - 1);
+ }
+ else if (strPrefix(name_ptr, "XK_"))
+ {
+ i = 0;
+
+ do
+ {
+ if (strEqual(name_ptr, translate_key[i].x11name))
+ {
+ key = translate_key[i].key;
+ break;
+ }
+ }
+ while (translate_key[++i].x11name);
+ }
+ else if (strPrefix(name_ptr, "0x"))
+ {
+ unsigned int value = 0;
+
+ name_ptr += 2;
+
+ while (name_ptr)
+ {
+ char c = *name_ptr++;
+ int d = -1;
+
+ if (c >= '0' && c <= '9')
+ d = (int)(c - '0');
+ else if (c >= 'a' && c <= 'f')
+ d = (int)(c - 'a' + 10);
+ else if (c >= 'A' && c <= 'F')
+ d = (int)(c - 'A' + 10);
+
+ if (d == -1)
+ {
+ value = -1;
+ break;
+ }
+
+ value = value * 16 + d;
+ }
+
+ if (value != -1)
+ key = (Key)value;
+ }
+
+ *keysym = key;
+ }
+}
+
+char *getKeyNameFromKey(Key key)
+{
+ char *name;
+
+ translate_keyname(&key, NULL, &name, TRANSLATE_KEYSYM_TO_KEYNAME);
+ return name;
+}
+
+char *getX11KeyNameFromKey(Key key)
+{
+ char *x11name;
+
+ translate_keyname(&key, &x11name, NULL, TRANSLATE_KEYSYM_TO_X11KEYNAME);
+ return x11name;
+}
+
+Key getKeyFromKeyName(char *name)
+{
+ Key key;
+
+ translate_keyname(&key, NULL, &name, TRANSLATE_KEYNAME_TO_KEYSYM);
+ return key;
+}
+
+Key getKeyFromX11KeyName(char *x11name)
+{
+ Key key;
+
+ translate_keyname(&key, &x11name, NULL, TRANSLATE_X11KEYNAME_TO_KEYSYM);
+ return key;
+}
+
+char getCharFromKey(Key key)
+{
+ static struct
+ {
+ Key key;
+ byte key_char;
+ } translate_key_char[] =
+ {
+ /* special (non-ASCII) keys (ISO-8859-1) */
+ { KSYM_degree, CHAR_BYTE_DEGREE },
+ { KSYM_Adiaeresis, CHAR_BYTE_UMLAUT_A },
+ { KSYM_Odiaeresis, CHAR_BYTE_UMLAUT_O },
+ { KSYM_Udiaeresis, CHAR_BYTE_UMLAUT_U },
+ { KSYM_adiaeresis, CHAR_BYTE_UMLAUT_a },
+ { KSYM_odiaeresis, CHAR_BYTE_UMLAUT_o },
+ { KSYM_udiaeresis, CHAR_BYTE_UMLAUT_u },
+ { KSYM_ssharp, CHAR_BYTE_SHARP_S },
+
+ /* end-of-array identifier */
+ { 0, 0 }
+ };
+
+ char *keyname = getKeyNameFromKey(key);
+ char c = 0;
+
+ if (strlen(keyname) == 1)
+ c = keyname[0];
+ else if (strEqual(keyname, "space"))
+ c = ' ';
+ else
+ {
+ int i = 0;
+
+ do
+ {
+ if (key == translate_key_char[i].key)
+ {
+ c = translate_key_char[i].key_char;
+
+ break;
+ }
+ }
+ while (translate_key_char[++i].key_char);
+ }
+
+ return c;
+}
+
+char getValidConfigValueChar(char c)
+{
+ if (c == '#' || /* used to mark comments */
+ c == '\\') /* used to mark continued lines */
+ c = 0;
+
+ return c;
+}
+
+
+/* ------------------------------------------------------------------------- */
+/* functions to translate string identifiers to integer or boolean value */
+/* ------------------------------------------------------------------------- */
+
+int get_integer_from_string(char *s)
+{
+ static char *number_text[][3] =
+ {
+ { "0", "zero", "null", },
+ { "1", "one", "first" },
+ { "2", "two", "second" },
+ { "3", "three", "third" },
+ { "4", "four", "fourth" },
+ { "5", "five", "fifth" },
+ { "6", "six", "sixth" },
+ { "7", "seven", "seventh" },
+ { "8", "eight", "eighth" },
+ { "9", "nine", "ninth" },
+ { "10", "ten", "tenth" },
+ { "11", "eleven", "eleventh" },
+ { "12", "twelve", "twelfth" },
+
+ { NULL, NULL, NULL },
+ };
+
+ int i, j;
+ char *s_lower = getStringToLower(s);
+ int result = -1;
+
+ for (i = 0; number_text[i][0] != NULL; i++)
+ for (j = 0; j < 3; j++)
+ if (strEqual(s_lower, number_text[i][j]))
+ result = i;
+
+ if (result == -1)
+ {
+ if (strEqual(s_lower, "false") ||
+ strEqual(s_lower, "no") ||
+ strEqual(s_lower, "off"))
+ result = 0;
+ else if (strEqual(s_lower, "true") ||
+ strEqual(s_lower, "yes") ||
+ strEqual(s_lower, "on"))
+ result = 1;
+ else
+ result = atoi(s);
+ }
+
+ free(s_lower);
+
+ return result;
+}
+
+boolean get_boolean_from_string(char *s)
+{
+ char *s_lower = getStringToLower(s);
+ boolean result = FALSE;
+
+ if (strEqual(s_lower, "true") ||
+ strEqual(s_lower, "yes") ||
+ strEqual(s_lower, "on") ||
+ get_integer_from_string(s) == 1)
+ result = TRUE;
+
+ free(s_lower);
+
+ return result;
+}
+
+int get_switch3_from_string(char *s)
+{
+ char *s_lower = getStringToLower(s);
+ int result = FALSE;
+
+ if (strEqual(s_lower, "true") ||
+ strEqual(s_lower, "yes") ||
+ strEqual(s_lower, "on") ||
+ get_integer_from_string(s) == 1)
+ result = TRUE;
+ else if (strEqual(s_lower, "auto"))
+ result = AUTO;
+
+ free(s_lower);
+
+ return result;
+}
+
+
+/* ------------------------------------------------------------------------- */
+/* functions for generic lists */
+/* ------------------------------------------------------------------------- */
+
+ListNode *newListNode()
+{
+ return checked_calloc(sizeof(ListNode));
+}
+
+void addNodeToList(ListNode **node_first, char *key, void *content)
+{
+ ListNode *node_new = newListNode();
+
+ node_new->key = getStringCopy(key);
+ node_new->content = content;
+ node_new->next = *node_first;
+
+ if (*node_first)
+ (*node_first)->prev = node_new;
+
+ *node_first = node_new;
+}
+
+void deleteNodeFromList(ListNode **node_first, char *key,
+ void (*destructor_function)(void *))
+{
+ if (node_first == NULL || *node_first == NULL)
+ return;
+
+ if (strEqual((*node_first)->key, key))
+ {
+ // after first recursion, (*node_first)->prev->next == *node_first,
+ // so *node_first would be overwritten with (*node_first)->next
+ // => use a copy of *node_first (and later of (*node_first)->next)
+ ListNode *node = *node_first;
+ ListNode *node_next = node->next;
+
+ checked_free(node->key);
+
+ if (destructor_function)
+ destructor_function(node->content);
+
+ if (node->prev)
+ node->prev->next = node->next;
+
+ if (node->next)
+ node->next->prev = node->prev;
+
+ checked_free(node);
+
+ // after removing node, set list pointer to next valid list node
+ // (this is important if the first node of the list was deleted)
+ *node_first = node_next;
+ }
+ else
+ {
+ deleteNodeFromList(&(*node_first)->next, key, destructor_function);
+ }
+}
+
+ListNode *getNodeFromKey(ListNode *node_first, char *key)
+{
+ if (node_first == NULL)
+ return NULL;
+
+ if (strEqual(node_first->key, key))
+ 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 file handling */
+/* ------------------------------------------------------------------------- */
+
+#define MAX_BUFFER_SIZE 4096
+
+File *openFile(char *filename, char *mode)
+{
+ File *file = checked_calloc(sizeof(File));
+
+ file->file = fopen(filename, mode);
+
+ if (file->file != NULL)
+ {
+ file->filename = getStringCopy(filename);
+
+ return file;
+ }
+
+#if defined(PLATFORM_ANDROID)
+ file->asset_file = SDL_RWFromFile(filename, mode);
+
+ if (file->asset_file != NULL)
+ {
+ file->file_is_asset = TRUE;
+ file->filename = getStringCopy(filename);
+
+ return file;
+ }
+#endif
+
+ checked_free(file);
+
+ return NULL;
+}
+
+int closeFile(File *file)
+{
+ if (file == NULL)
+ return -1;
+
+ int result = 0;
+
+#if defined(PLATFORM_ANDROID)
+ if (file->asset_file)
+ result = SDL_RWclose(file->asset_file);
+#endif
+
+ if (file->file)
+ result = fclose(file->file);
+
+ checked_free(file->filename);
+ checked_free(file);
+
+ return result;
+}
+
+int checkEndOfFile(File *file)
+{
+#if defined(PLATFORM_ANDROID)
+ if (file->file_is_asset)
+ return file->end_of_file;
+#endif
+
+ return feof(file->file);
+}
+
+size_t readFile(File *file, void *buffer, size_t item_size, size_t num_items)
+{
+#if defined(PLATFORM_ANDROID)
+ if (file->file_is_asset)
+ {
+ if (file->end_of_file)
+ return 0;
+
+ size_t num_items_read =
+ SDL_RWread(file->asset_file, buffer, item_size, num_items);
+
+ if (num_items_read < num_items)
+ file->end_of_file = TRUE;
+
+ return num_items_read;
+ }
+#endif
+
+ return fread(buffer, item_size, num_items, file->file);
+}
+
+size_t writeFile(File *file, void *buffer, size_t item_size, size_t num_items)
+{
+ return fwrite(buffer, item_size, num_items, file->file);
+}
+
+int seekFile(File *file, long offset, int whence)
+{
+#if defined(PLATFORM_ANDROID)
+ if (file->file_is_asset)
+ {
+ int sdl_whence = (whence == SEEK_SET ? RW_SEEK_SET :
+ whence == SEEK_CUR ? RW_SEEK_CUR :
+ whence == SEEK_END ? RW_SEEK_END : 0);
+
+ return (SDL_RWseek(file->asset_file, offset, sdl_whence) == -1 ? -1 : 0);
+ }
+#endif
+
+ return fseek(file->file, offset, whence);
+}
+
+int getByteFromFile(File *file)
+{
+#if defined(PLATFORM_ANDROID)
+ if (file->file_is_asset)
+ {
+ if (file->end_of_file)
+ return EOF;
+
+ byte c;
+ size_t num_bytes_read = SDL_RWread(file->asset_file, &c, 1, 1);
+
+ if (num_bytes_read < 1)
+ file->end_of_file = TRUE;
+
+ return (file->end_of_file ? EOF : (int)c);
+ }
+#endif
+
+ return fgetc(file->file);
+}
+
+char *getStringFromFile(File *file, char *line, int size)
+{
+#if defined(PLATFORM_ANDROID)
+ if (file->file_is_asset)
+ {
+ if (file->end_of_file)
+ return NULL;
+
+ char *line_ptr = line;
+ int num_bytes_read = 0;
+
+ while (num_bytes_read < size - 1 &&
+ SDL_RWread(file->asset_file, line_ptr, 1, 1) == 1 &&
+ *line_ptr++ != '\n')
+ num_bytes_read++;
+
+ *line_ptr = '\0';
+
+ if (strlen(line) == 0)
+ {
+ file->end_of_file = TRUE;
+
+ return NULL;
+ }
+
+ return line;
+ }
+#endif
+
+ return fgets(line, size, file->file);
+}
+
+int copyFile(char *filename_from, char *filename_to)
+{
+ File *file_from, *file_to;
+
+ if ((file_from = openFile(filename_from, MODE_READ)) == NULL)
+ {
+ return -1;
+ }
+
+ if ((file_to = openFile(filename_to, MODE_WRITE)) == NULL)
+ {
+ closeFile(file_from);
+
+ return -1;
+ }
+
+ while (!checkEndOfFile(file_from))
+ {
+ byte buffer[MAX_BUFFER_SIZE];
+ size_t bytes_read = readFile(file_from, buffer, 1, MAX_BUFFER_SIZE);
+
+ writeFile(file_to, buffer, 1, bytes_read);
+ }
+
+ closeFile(file_from);
+ closeFile(file_to);
+
+ return 0;
+}
+
+
+/* ------------------------------------------------------------------------- */
+/* functions for directory handling */
+/* ------------------------------------------------------------------------- */
+
+Directory *openDirectory(char *dir_name)
+{
+ Directory *dir = checked_calloc(sizeof(Directory));
+
+ dir->dir = opendir(dir_name);
+
+ if (dir->dir != NULL)
+ {
+ dir->filename = getStringCopy(dir_name);
+
+ return dir;
+ }
+
+#if defined(PLATFORM_ANDROID)
+ char *asset_toc_filename = getPath2(dir_name, ASSET_TOC_BASENAME);
+
+ dir->asset_toc_file = SDL_RWFromFile(asset_toc_filename, MODE_READ);
+
+ checked_free(asset_toc_filename);
+
+ if (dir->asset_toc_file != NULL)
+ {
+ dir->directory_is_asset = TRUE;
+ dir->filename = getStringCopy(dir_name);
+
+ return dir;
+ }
+#endif
+
+ checked_free(dir);
+
+ return NULL;
+}
+
+int closeDirectory(Directory *dir)
+{
+ if (dir == NULL)
+ return -1;
+
+ int result = 0;
+
+#if defined(PLATFORM_ANDROID)
+ if (dir->asset_toc_file)
+ result = SDL_RWclose(dir->asset_toc_file);
+#endif
+
+ if (dir->dir)
+ result = closedir(dir->dir);
+
+ if (dir->dir_entry)
+ freeDirectoryEntry(dir->dir_entry);
+
+ checked_free(dir->filename);
+ checked_free(dir);
+
+ return result;
+}
+
+DirectoryEntry *readDirectory(Directory *dir)
+{
+ if (dir->dir_entry)
+ freeDirectoryEntry(dir->dir_entry);
+
+ dir->dir_entry = NULL;
+
+#if defined(PLATFORM_ANDROID)
+ if (dir->directory_is_asset)
+ {
+ char line[MAX_LINE_LEN];
+ char *line_ptr = line;
+ int num_bytes_read = 0;
+
+ while (num_bytes_read < MAX_LINE_LEN - 1 &&
+ SDL_RWread(dir->asset_toc_file, line_ptr, 1, 1) == 1 &&
+ *line_ptr != '\n')
+ {
+ line_ptr++;
+ num_bytes_read++;
+ }
+
+ *line_ptr = '\0';
+
+ if (strlen(line) == 0)
+ return NULL;
+
+ dir->dir_entry = checked_calloc(sizeof(DirectoryEntry));
+
+ dir->dir_entry->is_directory = FALSE;
+ if (line[strlen(line) - 1] == '/')
+ {
+ dir->dir_entry->is_directory = TRUE;
+
+ line[strlen(line) - 1] = '\0';
+ }
+
+ dir->dir_entry->basename = getStringCopy(line);
+ dir->dir_entry->filename = getPath2(dir->filename, line);
+
+ return dir->dir_entry;
+ }
+#endif
+
+ struct dirent *dir_entry = readdir(dir->dir);
+
+ if (dir_entry == NULL)
+ return NULL;
+
+ dir->dir_entry = checked_calloc(sizeof(DirectoryEntry));
+
+ dir->dir_entry->basename = getStringCopy(dir_entry->d_name);
+ dir->dir_entry->filename = getPath2(dir->filename, dir_entry->d_name);
+
+ struct stat file_status;
+
+ dir->dir_entry->is_directory =
+ (stat(dir->dir_entry->filename, &file_status) == 0 &&
+ S_ISDIR(file_status.st_mode));
+
+ return dir->dir_entry;
+}
+
+void freeDirectoryEntry(DirectoryEntry *dir_entry)
+{
+ if (dir_entry == NULL)
+ return;
+
+ checked_free(dir_entry->basename);
+ checked_free(dir_entry->filename);
+ checked_free(dir_entry);
+}
+
+
+/* ------------------------------------------------------------------------- */
+/* functions for checking files and filenames */
+/* ------------------------------------------------------------------------- */
+
+boolean directoryExists(char *dir_name)
+{
+ if (dir_name == NULL)
+ return FALSE;
+
+ struct stat file_status;
+ boolean success = (stat(dir_name, &file_status) == 0 &&
+ S_ISDIR(file_status.st_mode));
+
+#if defined(PLATFORM_ANDROID)
+ if (!success)
+ {
+ // this might be an asset directory; check by trying to open toc file
+ char *asset_toc_filename = getPath2(dir_name, ASSET_TOC_BASENAME);
+ SDL_RWops *file = SDL_RWFromFile(asset_toc_filename, MODE_READ);
+
+ checked_free(asset_toc_filename);
+
+ success = (file != NULL);
+
+ if (success)
+ SDL_RWclose(file);
+ }
+#endif
+
+ return success;
+}
+
+boolean fileExists(char *filename)
+{
+ if (filename == NULL)
+ return FALSE;
+
+ boolean success = (access(filename, F_OK) == 0);
+
+#if defined(PLATFORM_ANDROID)
+ if (!success)
+ {
+ // this might be an asset file; check by trying to open it
+ SDL_RWops *file = SDL_RWFromFile(filename, MODE_READ);
+
+ success = (file != NULL);
+
+ if (success)
+ SDL_RWclose(file);
+ }
+#endif
+
+ return success;
+}
+
+boolean fileHasPrefix(char *basename, char *prefix)
+{
+ static char *basename_lower = NULL;
+ int basename_length, prefix_length;
+
+ checked_free(basename_lower);
+
+ if (basename == NULL || prefix == NULL)
+ return FALSE;
+
+ basename_lower = getStringToLower(basename);
+ basename_length = strlen(basename_lower);
+ prefix_length = strlen(prefix);
+
+ if (basename_length > prefix_length + 1 &&
+ basename_lower[prefix_length] == '.' &&
+ strncmp(basename_lower, prefix, prefix_length) == 0)
+ return TRUE;
+
+ return FALSE;
+}
+
+boolean fileHasSuffix(char *basename, char *suffix)
+{
+ static char *basename_lower = NULL;
+ int basename_length, suffix_length;
+
+ checked_free(basename_lower);
+
+ if (basename == NULL || suffix == NULL)
+ return FALSE;
+
+ basename_lower = getStringToLower(basename);
+ basename_length = strlen(basename_lower);
+ suffix_length = strlen(suffix);
+
+ if (basename_length > suffix_length + 1 &&
+ basename_lower[basename_length - suffix_length - 1] == '.' &&
+ strEqual(&basename_lower[basename_length - suffix_length], suffix))
+ return TRUE;
+
+ return FALSE;
+}
+
+static boolean FileCouldBeArtwork(char *filename)
+{
+ char *basename = getBaseNamePtr(filename);
+
+ return (!strEqual(basename, ".") &&
+ !strEqual(basename, "..") &&
+ !fileHasSuffix(basename, "txt") &&
+ !fileHasSuffix(basename, "conf") &&
+ !directoryExists(filename));
+}
+
+boolean FileIsGraphic(char *filename)
+{
+ return FileCouldBeArtwork(filename);
+}
+
+boolean FileIsSound(char *filename)
+{
+ return FileCouldBeArtwork(filename);
+}
+
+boolean FileIsMusic(char *filename)
+{
+ return FileCouldBeArtwork(filename);
+}
+
+boolean FileIsArtworkType(char *filename, int type)
+{
+ if ((type == TREE_TYPE_GRAPHICS_DIR && FileIsGraphic(filename)) ||
+ (type == TREE_TYPE_SOUNDS_DIR && FileIsSound(filename)) ||
+ (type == TREE_TYPE_MUSIC_DIR && FileIsMusic(filename)))
+ return TRUE;
+
+ return FALSE;
+}
+
+/* ------------------------------------------------------------------------- */
+/* functions for loading artwork configuration information */
+/* ------------------------------------------------------------------------- */
+
+char *get_mapped_token(char *token)
+{
+ /* !!! make this dynamically configurable (init.c:InitArtworkConfig) !!! */
+ static char *map_token_prefix[][2] =
+ {
+ { "char_procent", "char_percent" },
+ { NULL, }
+ };
+ int i;
+
+ for (i = 0; map_token_prefix[i][0] != NULL; i++)
+ {
+ int len_token_prefix = strlen(map_token_prefix[i][0]);
+
+ if (strncmp(token, map_token_prefix[i][0], len_token_prefix) == 0)
+ return getStringCat2(map_token_prefix[i][1], &token[len_token_prefix]);
+ }
+
+ // change tokens containing ".gfx" by moving the "gfx" part to the very left
+ char *gfx_substring = ".gfx";
+ char *gfx_prefix = "gfx.";
+ if (strstr(token, gfx_substring) != NULL)
+ {
+ char *token_prefix = getStringCopy(token);
+ char *token_gfx_pos = strstr(token_prefix, gfx_substring);
+ char *token_suffix = &token_gfx_pos[strlen(gfx_substring)];
+ char *mapped_token;
+
+ // cut off token string at ".gfx" substring position
+ *token_gfx_pos = '\0';
+
+ // put together prefix "gfx." and token prefix and suffix without ".gfx"
+ mapped_token = getStringCat3(gfx_prefix, token_prefix, token_suffix);
+
+ free(token_prefix);
+
+ return mapped_token;
+ }
+
+ return NULL;
+}
+
+char *get_special_base_token(struct ArtworkListInfo *artwork_info, char *token)
+{
+ /* !!! make this dynamically configurable (init.c:InitArtworkConfig) !!! */
+ static struct ConfigTypeInfo prefix_list[] =
+ {
+ { "global.anim_1" },
+ { "global.anim_2" },
+ { "global.anim_3" },
+ { "global.anim_4" },
+ { "global.anim_5" },
+ { "global.anim_6" },
+ { "global.anim_7" },
+ { "global.anim_8" },
+ { "global.anim_9" },
+ { "global.anim_10" },
+ { "global.anim_11" },
+ { "global.anim_12" },
+ { "global.anim_13" },
+ { "global.anim_14" },
+ { "global.anim_15" },
+ { "global.anim_16" },
+ { "global.anim_17" },
+ { "global.anim_18" },
+ { "global.anim_19" },
+ { "global.anim_20" },
+ { "global.anim_21" },
+ { "global.anim_22" },
+ { "global.anim_23" },
+ { "global.anim_24" },
+ { "global.anim_25" },
+ { "global.anim_26" },
+ { "global.anim_27" },
+ { "global.anim_28" },
+ { "global.anim_29" },
+ { "global.anim_30" },
+ { "global.anim_31" },
+ { "global.anim_32" },
+
+ { NULL }
+ };
+ struct ConfigTypeInfo *suffix_list = artwork_info->suffix_list;
+ boolean prefix_found = FALSE;
+ int len_suffix = 0;
+ int i;
+
+ /* search for prefix to check if base token has to be created */
+ for (i = 0; prefix_list[i].token != NULL; i++)
+ if (strPrefix(token, prefix_list[i].token))
+ prefix_found = TRUE;
+
+ if (!prefix_found)
+ return NULL;
+
+ /* search for suffix (parameter) to determine base token length */
+ for (i = 0; suffix_list[i].token != NULL; i++)
+ if (strSuffix(token, suffix_list[i].token))
+ len_suffix = strlen(suffix_list[i].token);
+
+ return getStringCopyN(token, strlen(token) - len_suffix);
+}
+
+/* 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_anim_parameter_value(char *s)
+{
+ char *pattern_1 = "click:anim_";
+ char *pattern_2 = ".part_";
+ char *matching_char = NULL;
+ char *s_ptr = s;
+ int result = ANIM_EVENT_NONE;
+
+ matching_char = strstr(s_ptr, pattern_1);
+ if (matching_char == NULL)
+ return ANIM_EVENT_NONE;
+
+ s_ptr = matching_char + strlen(pattern_1);
+
+ // check for main animation number ("anim_X" or "anim_XX")
+ if (*s_ptr >= '0' && *s_ptr <= '9')
+ {
+ int gic_anim_nr = (*s_ptr++ - '0');
+
+ if (*s_ptr >= '0' && *s_ptr <= '9')
+ gic_anim_nr = 10 * gic_anim_nr + (*s_ptr++ - '0');
+
+ if (gic_anim_nr < 1 || gic_anim_nr > MAX_GLOBAL_ANIMS)
+ return ANIM_EVENT_NONE;
+
+ result |= gic_anim_nr << ANIM_EVENT_ANIM_BIT;
+ }
+ else
+ {
+ // invalid main animation number specified
+
+ return ANIM_EVENT_NONE;
+ }
+
+ // check for animation part number ("part_X" or "part_XX") (optional)
+ if (strPrefix(s_ptr, pattern_2))
+ {
+ s_ptr += strlen(pattern_2);
+
+ if (*s_ptr >= '0' && *s_ptr <= '9')
+ {
+ int gic_part_nr = (*s_ptr++ - '0');
+
+ if (*s_ptr >= '0' && *s_ptr <= '9')
+ gic_part_nr = 10 * gic_part_nr + (*s_ptr++ - '0');
+
+ if (gic_part_nr < 1 || gic_part_nr > MAX_GLOBAL_ANIM_PARTS)
+ return ANIM_EVENT_NONE;
+
+ result |= gic_part_nr << ANIM_EVENT_PART_BIT;
+ }
+ else
+ {
+ // invalid animation part number specified
+
+ return ANIM_EVENT_NONE;
+ }
+ }
+
+ /* discard result if next character is neither delimiter nor whitespace */
+ if (!(*s_ptr == ',' || *s_ptr == '\0' ||
+ *s_ptr == ' ' || *s_ptr == '\t'))
+ return ANIM_EVENT_NONE;
+
+ return result;
+}
+
+int get_anim_action_parameter_value(char *token)
+{
+ int result = getImageIDFromToken(token);
+
+ if (result == -1)
+ {
+ char *gfx_token = getStringCat2("gfx.", token);
+
+ result = getImageIDFromToken(gfx_token);
+
+ checked_free(gfx_token);
+ }
+
+ if (result == -1)
+ {
+ Key key = getKeyFromX11KeyName(token);
+
+ if (key != KSYM_UNDEFINED)
+ result = -(int)key;
+ }
+
+ if (result == -1)
+ result = ANIM_EVENT_ACTION_NONE;
+
+ return result;
+}
+
+int get_parameter_value(char *value_raw, char *suffix, int type)
+{
+ char *value = getStringToLower(value_raw);
+ int result = 0; /* probably a save default value */
+
+ if (strEqual(suffix, ".direction"))
+ {
+ result = (strEqual(value, "left") ? MV_LEFT :
+ strEqual(value, "right") ? MV_RIGHT :
+ strEqual(value, "up") ? MV_UP :
+ strEqual(value, "down") ? MV_DOWN : MV_NONE);
+ }
+ else if (strEqual(suffix, ".position"))
+ {
+ result = (strEqual(value, "left") ? POS_LEFT :
+ strEqual(value, "right") ? POS_RIGHT :
+ strEqual(value, "top") ? POS_TOP :
+ strEqual(value, "upper") ? POS_UPPER :
+ strEqual(value, "middle") ? POS_MIDDLE :
+ strEqual(value, "lower") ? POS_LOWER :
+ strEqual(value, "bottom") ? POS_BOTTOM :
+ strEqual(value, "any") ? POS_ANY :
+ strEqual(value, "last") ? POS_LAST : POS_UNDEFINED);
+ }
+ else if (strEqual(suffix, ".align"))
+ {
+ result = (strEqual(value, "left") ? ALIGN_LEFT :
+ strEqual(value, "right") ? ALIGN_RIGHT :
+ strEqual(value, "center") ? ALIGN_CENTER :
+ strEqual(value, "middle") ? ALIGN_CENTER : ALIGN_DEFAULT);
+ }
+ else if (strEqual(suffix, ".valign"))
+ {
+ result = (strEqual(value, "top") ? VALIGN_TOP :
+ strEqual(value, "bottom") ? VALIGN_BOTTOM :
+ strEqual(value, "middle") ? VALIGN_MIDDLE :
+ strEqual(value, "center") ? VALIGN_MIDDLE : VALIGN_DEFAULT);
+ }
+ else if (strEqual(suffix, ".anim_mode"))
+ {
+ 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, "ce_value") ? ANIM_CE_VALUE :
+ string_has_parameter(value, "ce_score") ? ANIM_CE_SCORE :
+ string_has_parameter(value, "ce_delay") ? ANIM_CE_DELAY :
+ string_has_parameter(value, "horizontal") ? ANIM_HORIZONTAL :
+ string_has_parameter(value, "vertical") ? ANIM_VERTICAL :
+ string_has_parameter(value, "centered") ? ANIM_CENTERED :
+ string_has_parameter(value, "all") ? ANIM_ALL :
+ ANIM_DEFAULT);
+
+ if (string_has_parameter(value, "once"))
+ result |= ANIM_ONCE;
+
+ if (string_has_parameter(value, "reverse"))
+ result |= ANIM_REVERSE;
+
+ if (string_has_parameter(value, "opaque_player"))
+ result |= ANIM_OPAQUE_PLAYER;
+
+ if (string_has_parameter(value, "static_panel"))
+ result |= ANIM_STATIC_PANEL;
+ }
+ else if (strEqual(suffix, ".init_event") ||
+ strEqual(suffix, ".anim_event"))
+ {
+ result = ANIM_EVENT_DEFAULT;
+
+ if (string_has_parameter(value, "any"))
+ result |= ANIM_EVENT_ANY;
+
+ if (string_has_parameter(value, "click"))
+ result |= ANIM_EVENT_SELF;
+
+ // add optional "click:anim_X" or "click:anim_X.part_X" parameter
+ result |= get_anim_parameter_value(value);
+ }
+ else if (strEqual(suffix, ".init_event_action") ||
+ strEqual(suffix, ".anim_event_action"))
+ {
+ result = get_anim_action_parameter_value(value_raw);
+ }
+ else if (strEqual(suffix, ".class"))
+ {
+ result = (strEqual(value, ARG_UNDEFINED) ? ARG_UNDEFINED_VALUE :
+ get_hash_from_key(value));
+ }
+ else if (strEqual(suffix, ".style"))
+ {
+ result = STYLE_DEFAULT;
+
+ if (string_has_parameter(value, "accurate_borders"))
+ result |= STYLE_ACCURATE_BORDERS;
+
+ if (string_has_parameter(value, "inner_corners"))
+ result |= STYLE_INNER_CORNERS;
+
+ if (string_has_parameter(value, "reverse"))
+ result |= STYLE_REVERSE;
+
+ if (string_has_parameter(value, "passthrough_clicks"))
+ result |= STYLE_PASSTHROUGH;
+
+ if (string_has_parameter(value, "multiple_actions"))
+ result |= STYLE_MULTIPLE_ACTIONS;
+ }
+ else if (strEqual(suffix, ".fade_mode"))
+ {
+ result = (string_has_parameter(value, "none") ? FADE_MODE_NONE :
+ string_has_parameter(value, "fade") ? FADE_MODE_FADE :
+ string_has_parameter(value, "crossfade") ? FADE_MODE_CROSSFADE :
+ string_has_parameter(value, "melt") ? FADE_MODE_MELT :
+ string_has_parameter(value, "curtain") ? FADE_MODE_CURTAIN :
+ FADE_MODE_DEFAULT);
+ }
+ else if (strPrefix(suffix, ".font")) /* (may also be ".font_xyz") */
+ {
+ result = gfx.get_font_from_token_function(value);
+ }
+ else /* generic parameter of type integer or boolean */
+ {
+ result = (strEqual(value, ARG_UNDEFINED) ? 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;
+}
+
+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)
+{
+ SetupFileHash *ignore_tokens_hash;
+ struct FileInfo *file_list;
+ int num_file_list_entries_found = 0;
+ int num_suffix_list_entries = 0;
+ int list_pos;
+ int i, j;
+
+ /* create hash from list of tokens to be ignored (for quick access) */
+ ignore_tokens_hash = newSetupFileHash();
+ for (i = 0; ignore_tokens[i] != NULL; i++)
+ setHashEntry(ignore_tokens_hash, ignore_tokens[i], "");
+
+ 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;