From fc9c7130b08ebc7ad4dbd0f16040251089c11f33 Mon Sep 17 00:00:00 2001
From: Charles Cabergs <me@cacharle.xyz>
Date: Sat, 9 Jan 2021 01:48:36 +0100
Subject: Added injection of variable in scope

---
 README.md   |  2 +-
 temper.lisp | 46 +++++++++++++++++++++++++++++-----------------
 test.html   |  1 +
 3 files changed, 31 insertions(+), 18 deletions(-)

diff --git a/README.md b/README.md
index 4e1d866..b317020 100644
--- a/README.md
+++ b/README.md
@@ -13,4 +13,4 @@ Common Listp templating language.
 ## TODO
 
 * [x] value interpolation (e.g `<%= link %>`)
-* [ ] insert variable in local scope
+* [x] inject variable in local scope
diff --git a/temper.lisp b/temper.lisp
index 26eb9ec..a039f9c 100644
--- a/temper.lisp
+++ b/temper.lisp
@@ -42,27 +42,39 @@
                   `(setf buf
                     (concatenate 'string
                                  buf
-                                 (format nil "~A" ,(read-from-string token-content))
-                                 '(#\linefeed)))))
+                                 (format nil "~A" ,(read-from-string token-content))))))
                ((eql token-type 'string)
                 (format nil "~S"
                   `(setf buf
-                    (concatenate 'string
-                                 buf
-                                 ,(string-trim '(#\linefeed #\space) token-content)
-                                 '(#\linefeed))))))))
+                    (concatenate 'string buf ,(string-trim '(#\linefeed) token-content))))))))
       tokens)))
 
-(defun generate (tokens)
-  `(progn
-    (setq buf "")
-    (eval ,(read-from-string
-      (concatenate 'string
-        "(progn "
-        (tokens-to-code-string tokens)
-        ")")))))
+
+(defun rest-keys (&rest args)
+  (if (null args)
+    '()
+    (destructuring-bind (key value &rest args) args
+      (cons (list key value) (apply #'rest-keys args)))))
+
+
+
+(defun generate (tokens &rest args)
+  `(let ,(apply #'rest-keys args)
+     (progn
+      (setq buf "")
+      (eval ,(read-from-string
+        (concatenate 'string
+          "(progn "
+          (tokens-to-code-string tokens)
+          ")"))))))
+
+
+(setq tokens (lex (read-all)))
+(setq code (generate tokens 'foo "bonjour" 'bar "aurevoir"))
+; (format t "~S" code)
+(princ (eval code))
+; (setq res (generate (lex (read-all))))
+; (format t "~A" (eval res))
 
 
-; (format t "~A" (tokens-to-code-string (lex (read-all))))
-(setq res (generate (lex (read-all))))
-(format t "~A" (eval res))
+; (format t "~S" (rest-keys :baz 10 :foo 4 :bar 5))
diff --git a/test.html b/test.html
index 097ad56..fada913 100644
--- a/test.html
+++ b/test.html
@@ -1,3 +1,4 @@
+<h1><%= foo %> | <%= bar %></h1>
 <ul>
   <% (dotimes (n 10) %>
     <li><%= (+ n 4 5) %></li>
-- 
cgit