1 files changed, 70 insertions, 0 deletions
diff --git a/üretim.lisp b/üretim.lisp
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+(in-package :html-jen)
+
+(defparameter *indent* 0)
+(defparameter *indent-increment* 2)
+(defparameter *yeni-satır* t)
+
+(defgeneric node->html (node &optional stream)
+  (:method (node &optional (stream *standard-output*))
+    (write-string node stream))
+  (:documentation "NODE u STREAM e yazar"))
+
+(defun tag-yeni-satır? (tag)
+  (case tag
+    ((:html :head :body :div :ol :ul) t)
+    ((:title :p :b :i :code :li) nil)))
+
+(defun tag-inline? (tag)
+  (case tag
+    ((:html :head :body :div :ol :ul :li :p) nil)
+    ((:title :b :i :code) t)))
+
+(defmethod node->html :before ((node node) &optional (stream *standard-output*))
+  (unless (not *yeni-satır*)
+    (loop :for i :from 0 :below *indent*
+          :do (write-char #\Space stream)))
+  (if (null (props node))
+      (format stream "<~a>" (tag node))
+      (loop :initially (format stream "<~a" (tag node))
+            :for (k v) :on (props node) :by #'cddr
+            :do (format stream " ~a=\"~a\"" k v)
+            :finally (write-char #\> stream)))
+  (setf *yeni-satır* nil)
+  (when (tag-yeni-satır? (tag node))
+    (write-char #\Newline stream)
+    (setf *yeni-satır* t)))
+
+(defmethod node->html ((node node) &optional (stream *standard-output*))
+  (if (null (children node))
+      (format stream "~a" (value node))
+      (let ((*indent* (+ *indent* *indent-increment*)))
+        (loop :for child :in (children node)
+              :do (node->html child stream)))))
+
+(defmethod node->html :after ((node node) &optional (stream *standard-output*))
+  (unless (not *yeni-satır*)
+    (loop :for i :from 0 :below *indent*
+          :do (write-char #\Space stream)))
+  (if (tag-inline? (tag node))
+      (format stream "</~a>" (tag node))
+      (progn (format stream "</~a>~%" (tag node))
+             (setf *yeni-satır* t))))
+
+
+(defun node->cons (node)
+  "node u listeye çevirir."
+  (if (stringp node)
+      node
+      (if (null (children node))
+          (list (tag node) (props node) (value node))
+          (append (list (tag node) (props node))
+                  (mapcar #'node->cons (children node))))))
+
+(defparameter bir-node
+  (node! :html (list (node! :head
+                            (list (node! :title nil nil "başlık"))
+                            nil nil)
+                     (node! :body
+                            (list (node! :p nil '(:color "red") "içerik"))
+                            nil nil))
+         nil nil))