From 423ac382f9e73bf1ca7fc6b400f98db087cd7d22 Mon Sep 17 00:00:00 2001
From: Case Duckworth
Date: Wed, 5 Jun 2024 09:21:25 -0500
Subject: Write executable

This involved moving `src' to `lib' and making `bin'.
`bin' holds the program, which only imports `jimmy.main' from lib.
---
 lib/wrap.scm | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 lib/wrap.scm

(limited to 'lib/wrap.scm')

diff --git a/lib/wrap.scm b/lib/wrap.scm
new file mode 100644
index 0000000..f801029
--- /dev/null
+++ b/lib/wrap.scm
@@ -0,0 +1,21 @@
+(declare (module (jimmy wrap)))
+
+(import scheme (chicken base)
+        (jimmy emit)
+        (jimmy util)
+        (only (chicken io) read-string)
+        (only (chicken port) with-output-to-string)
+        (only (chicken string) string-translate* string-intersperse))
+
+;; templates are strings with variables interpolated with "{{variables}}"
+
+(define-public (wrap document template)
+  (let* ((meta (map (lambda (el)
+                      (cons (string-append "{{" (car el) "}}")
+                            (string-intersperse (cdr el) " ")))
+                    (alist-walk document 'meta)))
+         (body (cons "{{body}}" (emit-string document))))
+    (string-translate* template (cons body meta))))
+
+(define-public (wrap-with document file)
+  (wrap document (with-input-from-file file read-string)))
-- 
cgit 1.4.1-21-gabe81