Hessian 2.0 Grammar
From Resin 3.0
Draft Grammar of Hessian 2.0. Notes and explanation are at Hessian 2.0. The spec development process has just begun.
The following is the complete grammar for Hessian 2.0. All integers are big-endian, i.e. starting with the most-significant byte first.
top ::= call ::= reply call ::= c x02 x00 header* method object* z reply ::= r x02 x00 header* object z ::= r x02 x00 header* fault z object ::= null ::= boolean ::= int ::= long ::= double ::= date ::= string ::= xml ::= binary ::= remote ::= ref ::= list ::= map ::= class ::= instance header ::= H b1 b0 header-string object method ::= m b1 b0 method-string fault ::= f (object object)* list ::= V type? length? object* z ::= [x10 - x1f] <int> object* map ::= M type? (object object)* z remote ::= r type? string type ::= t b1 b0 type-string ::= T <int> length ::= l b3 b2 b1 b0 ::= x0f b0 null ::= N boolean ::= T ::= F int ::= I b3 b2 b1 b0 ::= [x80 - 0xcf] ::= x01 b0 ::= x02 b1 b0 long ::= L b7 b6 b5 b4 b3 b2 b1 b0 ::= [x20 - x3f] ::= x03 b0 ::= x04 b1 b0 ::= x05 b3 b2 b1 b0 double ::= D b7 b6 b5 b4 b3 b2 b1 b0 ::= x06 ::= x07 ::= x08 b0 ::= x09 b1 b0 ::= x0b b3 b2 b1 b0 ::= x0c b1 b0 ::= x0e b3 b2 b1 b0 date ::= d b7 b6 b5 b4 b3 b2 b1 b0 string ::= (s b1 b0 string-data)* S b1 b0 string-data ::= [xd0 - xef] string-data xml ::= (x b1 b0 xml-data)* X b1 b0 xml-data binary ::= (b b1 b0 binary-data)* B b1 b0 binary-data ::= [xf0 - xff] binary-data ref ::= R b3 b2 b1 b0 ::= x5b b0 ::= x5c b1 b1 class ::= O int string-data int string* object* instance ::= o int object*