DataDef: Data Definition Decode (not finished)

a binary structure parser, outputs as python dictionary

Main

Action Type	Info	Last Part
def_start	Structure Name
def_end	Structure End
part	Output Data	Value Name
part_loop	Output Data (loop until end)	Value Name
part_iso_n	Output Data (Isolated), valuetype at start for data length	Value Name
setvar	same as part but set as varible	Var Name
pointer	add to pointer list	Pointer Name
pointset	add to pointerset list, must be list of numbers	PointerSet Name
act_pointer	Structure Name, Pointer Name
act_pointset	Structure Name, PointerSet Name
header	Length, same as part but must be number	Hex Data

Part

datatype	Name	Comma Arguments	DataType Arguments
skip	Skip	Length
byte	Byte
s_byte	Signed Byte
short	Short (Little)
short_b	Short (Big)
s_short	Signed Short (Little)
s_short_b	Signed Short (Big)
int	Int (Little)
int_b	Int (Big)
s_int	Signed Int (Little)
s_int_b	Signed Int (Big)
float	Float (Little)
float_b	Float (Big)
double	Double (Little)
double_b	Double (Big)
varint	VarInt
varint_i	VarInt (4 bytes)
raw	Raw	Length
raw_l	Raw		Length
raw_e	Raw (until end)
string	String	Length
string_l	String		Length
stringf	String (with fixes)	Length
stringf_l	String (with fixes)		Length
string_t	String (until null)
dstring	String (utf16)	Length
dstring_l	String (utf16)		Length
structure	do structure	Struct Name
list	List	Length	Type
list_l	List		Length, Type
pair	Pair		Type1, Type2
mlist	List with multiple types	Length	Type1, Type2, ...
keyval_n	Key-Value	Length	StringType, ValueType
keyval_l	Key-Value		Length, StringType, ValueType
getvar	Get Var	Var Name
end	End

example

area_struct | main
header | raw.4 | 494d504d
part | string.26 | songame
part | byte | hilight_minor
part | byte | hilight_major
setvar | short | num_order
setvar | short | num_inst
setvar | short | num_samp
setvar | short | num_pat
setvar | short | cwtv
setvar | short | cmwt
part | short | flags
part | short | special
part | byte | globalvol
part | byte | mv
part | byte | speed
part | byte | tempo
part | byte | sep
part | byte | pwd
part | short | message_length
pointer | int | message_offset
part | int | reserved
part | list.64 / byte | chn_pan
part | list.64 / byte | chn_vol
part | list_l / getvar.num_order / byte | orders
pointset | list_l / getvar.num_inst / int | pointer_inst
pointset | list_l / getvar.num_samp / int | pointer_samp
pointset | list_l / getvar.num_pat / int | pointer_pat
act_pointset | it_instrument.pointer_inst | data_inst
act_pointset | it_sample.pointer_samp | data_samp
act_pointset | it_pattern.pointer_pat | data_samp
area_end