From: Javier Sancho <jsf@jsancho.org>
Date: Wed, 28 Feb 2018 11:28:29 +0000 (+0100)
Subject: Show images in post summaries
X-Git-Url: https://git.jsancho.org/?p=blog.git;a=commitdiff_plain;h=c5d5ac26328e5010cbf0d3f65ed9206fbb5e0e02;hp=bf75bbf48ffb7e81c8ded9fe740ddc944ccf0c78

Show images in post summaries
---

diff --git a/haunt.scm b/haunt.scm
index 7ad26ee..1828bc6 100644
--- a/haunt.scm
+++ b/haunt.scm
@@ -89,10 +89,16 @@
                             (site-post-slug site post) ".html"))
 
 	   (define (get-paragraphs sxml count)
-	     (let ((pars (filter
-			  (lambda (e) (and (pair? e) (eq? (car e) 'p)))
-			  sxml)))
-	       (list-head pars (min count (length pars)))))
+             (define (getp sxml count res)
+               (cond ((or (= count 0) (null? sxml))
+                      res)
+                     ((and (pair? (car sxml)) (eq? (caar sxml) 'p))
+                      (getp (cdr sxml) (- count 1) (cons (car sxml) res)))
+                     ((and (pair? (car sxml)) (eq? (caar sxml) 'a))
+                      (getp (cdr sxml) count (cons (car sxml) res)))
+                     (else
+                      (getp (cdr sxml) count res))))
+             (reverse (getp sxml count '())))
 		     
            (define (post-summary post)
              (or (post-ref post 'summary)