Mobs Events Engine

[gacela.git] / src / gacela_mobs.scm

diff --git a/src/gacela_mobs.scm b/src/gacela_mobs.scm
index dabb9dc2a40102aa5202fb171f510c52bfc1e3e6..0ae561e8f6eecbdf6c848cc2d7664fa240aa1da0 100755 (executable)
--- a/src/gacela_mobs.scm
+++ b/src/gacela_mobs.scm
@@ -77,19 +77,45 @@
   (let ((name (car mob-head)) (attr (cdr mob-head)))
     `(define ,(string->symbol (string-concatenate (list "make-" (symbol->string name))))
        (lambda* ,(if (null? attr) '() `(#:key ,@attr))
-        (lambda-mob () ,@body)))))
+        (the-mob ',name () ,attr ,@body)))))
 
-(define-macro (lambda-mob attr . body)
+(define-macro (the-mob type attr publish . body)
   (let ((mob-id-symbol (gensym))
-       (type-mob
-    `(let ,(cons `(,mob-id-symbol (gensym)) attr)
+       (type-symbol (gensym)))
+    `(let ((,mob-id-symbol (gensym))
+          (,type-symbol ,type)
+          ,@attr)
        (lambda* (#:optional (option #f))
         (define (kill-me)
           (hide-mob-hash ,mob-id-symbol))
         (case option
           ((get-mob-id)
            ,mob-id-symbol)
+          ((get-type)
+           ,type-symbol)
           (else
            (catch #t
                   (lambda () ,@body)
-                  (lambda (key . args) #f))))))))
+                  (lambda (key . args) #f))
+           (cond ((not (null? ,publish))
+                  (display ,(cons 'list (map (lambda (x) `(cons ',(car x) ,(car x))) publish)))
+                  (publish-mob-data ,mob-id-symbol ,type-symbol ,(cons 'list (map (lambda (x) `(cons ',(car x) ,(car x))) publish)))))
+           (newline)))))))
+
+(define-macro (lambda-mob attr . body)
+  `(the-mob 'undefined ,attr '() ,@body))
+
+
+;;; Events Engine
+
+(define publish-mob-data #f)
+(define published-data (make-hash-table))
+
+(let ((nop #f))
+  (set! publish-mob-data
+       (lambda (mob-id mob-type data)
+         (let ((t (hash-ref published-data mob-type))
+               (i (cons mob-id data)))
+           (hash-set! published-data mob-type
+                      (cond (t (cons i t))
+                            (else (list i))))))))