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--- formats:zax [2009-10-11 00:27] – edheldil
+++ formats:zax [2009-11-08 23:46] – edheldil
@@ Line 1: / Line 1: @@
-==== ZAX File Format ====
+==== CObject Text File ====
-=== Purpose: ===
+==== Purpose: ====
-=== EBNF specification ===
+zax files
+textures
+surface types (.STY)
+...?
+==== EBNF specification ====
+  (* FIXME: I have not tested this specification, so there are probably errors in it *)
+  (* FIXME: Dynamic Properties are not handled in this description *)
+  (* FIXME: DialogTree dash lines are not handled in this description *)
+  (* FIXME: spurious empty lines and EOLs are not handled as well *)
+  cobject = classname , [ init_args ] , EOL , cobject_data ;
+  init_args = "(" , int , { "," , int } , ")" ;
+  cobject_data = indent, "{" , EOL, ( keyvalue_data | raw_data ) , indent, "}" ;
+  keyvalue_data = { indent , key , "=" , value , EOL } ;
+  raw_data = { indent , value , EOL } ;
+  key = limited string ;
+  value = string | bool | int | float | cobject ;
+  indent = { whitespace }
+  bool = "0" | "1" ;
+  int = ( [ "-" ] , digit , { digit } ) | limited string ;
+  float = float decimal | float exponential | limited string ;
+  float decimal = [ "-" ] , digit , { digit } , "." , digit , { digit } ;
+  float exponential = float decimal , "e" , [ "-" ] , digit , { digit } ;
+  string = { printable | whitespace } ;
+  limited string = keychar | ( keychar , { keychar | whitespace } , keychar } ;
+  classname = letter , { letter | digit | "-" } ;
+  EOL = "\r" , "\n" ;
+  digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" ;
+  whitespace = " " | "\t" ;
+  (* meaning of these is hopefully clear *)
+  printable = ? "\041" .. "\176" ? ;
+  keychar = ? "\041" .. "\074" ? | ? "\076" .. "\176" ? ; (* probably some other chars except "=" are banned as well *)
+  letter = ? "A" .. "Z" ? | ? "a" .. "z" ? ;
+==== Classes ====
+Activities/AIs, Actions, ...
-  zax ::= "CLayerSaveData" EOL attributes
-  attributes ::= "{" EOL attribute_list "}"
-  attribute_list ::= attribute attribute_list
-                  | e
-  attribute ::= key "=" value EOL
-  ...