hpack-decode ( decode-context block -- updated-context decoded )

Vocabulary

http2.hpack

Inputs

decode-context	a hpack-context
block	a byte-array

Outputs

updated-context	a hpack-context
decoded	a sequence

Word description

Decodes the given byte array (or byte vector) in the given hpack context. Outputs the updated context, and the decoded header block as a sequence of pairs.

See also

hpack-encode

Definition

USING: arrays http2.hpack.private kernel locals.backend math
sequences ;

IN: http2.hpack

: hpack-decode
    ( decode-context block -- updated-context decoded )
    V{ } clone load-local 0 [ 2dup swap length < ] 0 get-local [
        load-local decode-field 0 get-local
        [ load-local 0 get-local push 1 drop-locals ] curry
        0 get-local [
            load-local 0 get-local [
                "Table size update not at start of header block"
                hpack-decode-error
            ] unless-empty 1 drop-locals
        ] curry if* 1 drop-locals
    ] curry while 2drop 0 get-local >array 1 drop-locals ;