xmlrpc.l

A very small LISP implementation with several packages and demo programs.

# 11may07abu
# (c) Software Lab. Alexander Burger

# (xmlrpc "localhost" 8080 "foo.bar" 'int 41 'string "abc" ..)
(de xmlrpc (Host Port Meth . @)
   (let? Sock (connect Host Port)
      (let Xml (tmp 'xmlrpc)
         (out Xml
            (xml? T)
            (xml
               (list 'methodCall NIL
                  (list 'methodName NIL Meth)
                  (make
                     (link 'params NIL)
                     (while (args)
                        (link
                           (list 'param NIL
                              (list 'value NIL (list (next) NIL (next))) ) ) ) ) ) ) )
         (prog1
            (out Sock
               (prinl "POST /RPC2 HTTP/1.0^M")
               (prinl "Host: " Host "^M")
               (prinl "User-Agent: PicoLisp^M")
               (prinl "Content-Type: text/xml^M")
               (prinl "Accept-Charset: utf-8^M")
               (prinl "Content-Length: " (car (info Xml)) "^M")
               (prinl "^M")
               (in Xml (echo))
               (flush)
               (in Sock
                  (while (line))
                  (let? L (and (xml?) (xml))
                     (when (== 'methodResponse (car L))
                        (xmlrpcValue
                           (car (body L 'params 'param 'value)) ) ) ) ) )
            (close Sock) ) ) ) )

(de xmlrpcKey (Str)
   (or (format Str) (intern Str)) )

(de xmlrpcValue (Lst)
   (let X (caddr Lst)
      (case (car Lst)
         (string X)
         ((i4 int) (format X))
         (boolean (= "1" X))
         (double (format X *Scl))
         (array
            (when (== 'data (car X))
               (mapcar
                  '((L)
                     (and (== 'value (car L)) (xmlrpcValue (caddr L))) )
                  (cddr X) ) ) )
         (struct
            (mapcan
               '((L)
                  (when (== 'member (car L))
                     (cons
                        (cons
                           (xmlrpcKey (caddr (assoc 'name L)))
                           (xmlrpcValue (caddr (assoc 'value L))) ) ) ) )
               (cddr Lst) ) ) ) ) )