handler.gno

 1package mux
 2
 3// Handler stores a route pattern with one of two handler shapes.
 4// Fn (HandlerFunc, no rlm) is set by HandleFunc; FnRlm (HandlerFuncRlm,
 5// rlm-aware non-crossing) is set by HandleFuncRlm. Exactly one is set
 6// per route. RenderRlm dispatches FnRlm with the supplied rlm; Render
 7// dispatches Fn and panics if the matched route was registered with
 8// HandleFuncRlm (caller used the wrong dispatch method).
 9type Handler struct {
10	Pattern string
11	Fn      HandlerFunc
12	FnRlm   HandlerFuncRlm
13}
14
15type HandlerFunc func(*ResponseWriter, *Request)
16
17// HandlerFuncRlm is the rlm-aware handler shape — non-crossing
18// (`_ int, rlm realm` first params) so callers thread cur as data
19// for the handler to forward to downstream crossing functions.
20type HandlerFuncRlm func(_ int, rlm realm, res *ResponseWriter, req *Request)
21
22type ErrHandlerFunc func(*ResponseWriter, *Request) error
23
24type NotFoundHandler func(*ResponseWriter, *Request)
25
26// TODO: AutomaticIndex