shr.el: (shr-tag-table): Support caption, thead, and tfoot.

2 files changed, 53 insertions, 2 deletions

diff --git a/lisp/gnus/ChangeLog b/lisp/gnus/ChangeLog
index 9194c70be45..11244224452 100644
--- a/lisp/gnus/ChangeLog
+++ b/lisp/gnus/ChangeLog
@@ -2,6 +2,8 @@
 
         * shr.el (shr-find-fill-point): Shorten line if the preceding char is
         kinsoku-eol regardless of shr-kinsoku-shorten.
+        (shr-tag-table-1): Rename from shr-tag-table; make it a subroutine.
+        (shr-tag-table): Support caption, thead, and tfoot.
 
 2010-10-19  Lars Magne Ingebrigtsen  <larsi@gnus.org>
 
diff --git a/lisp/gnus/shr.el b/lisp/gnus/shr.el
index d7a5fb33f66..9183e985fe6 100644
--- a/lisp/gnus/shr.el
+++ b/lisp/gnus/shr.el
@@ -593,8 +593,7 @@ Return a string with image data."
 ;; main buffer).  Now we know how much space each TD really takes, so
 ;; we then render everything again with the new widths, and finally
 ;; insert all these boxes into the main buffer.
-(defun shr-tag-table (cont)
-  (shr-ensure-paragraph)
+(defun shr-tag-table-1 (cont)
   (setq cont (or (cdr (assq 'tbody cont))
                  cont))
   (let* ((shr-inhibit-images t)
@@ -622,6 +621,56 @@ Return a string with image data."
   (dolist (elem (shr-find-elements cont 'img))
     (shr-tag-img (cdr elem))))
 
+(defun shr-tag-table (cont)
+  (shr-ensure-paragraph)
+  (let* ((caption (cdr (assq 'caption cont)))
+         (header (cdr (assq 'thead cont)))
+         (body (or (cdr (assq 'tbody cont)) cont))
+         (footer (cdr (assq 'tfoot cont)))
+         (nheader (if header (shr-max-columns header)))
+         (nbody (if body (shr-max-columns body)))
+         (nfooter (if footer (shr-max-columns footer))))
+    (shr-tag-table-1
+     (nconc
+      (if caption `((tr (td ,@caption))))
+      (if header
+          (if footer
+              ;; header + body + footer
+              (if (= nheader nbody)
+                  (if (= nbody nfooter)
+                      `((tr (td (table (tbody ,@header ,@body ,@footer)))))
+                    (if (= nfooter 1)
+                        `((tr (td (table (tbody ,@header ,@body))))
+                          ,@footer)
+                      `((tr (td (table (tbody ,@header ,@body))))
+                        (tr (td (table (tbody ,@footer)))))))
+                (if (= nbody nfooter)
+                    `((tr (td (table (tbody ,@header))))
+                      (tr (td (table (tbody ,@body ,@footer)))))
+                  (if (= nfooter 1)
+                      `((tr (td (table (tbody ,@header))))
+                        (tr (td (table (tbody ,@body))))
+                        ,@footer)
+                    `((tr (td (table (tbody ,@header))))
+                      (tr (td (table (tbody ,@body))))
+                      (tr (td (table (tbody ,@footer))))))))
+            ;; header + body
+            (if (= nheader nbody)
+                `((tr (td (table (tbody ,@header ,@body)))))
+              (if (= nheader 1)
+                  `(,@header (tr (td (table (tbody ,@body)))))
+                `((tr (td (table (tbody ,@header))))
+                  (tr (td (table (tbody ,@body))))))))
+        (if footer
+            ;; body + footer
+            (if (= nbody nfooter)
+                `((tr (td (table (tbody ,@body ,@footer)))))
+              (if (= nfooter 1)
+                  `((tr (td (table (tbody ,@body)))) ,@footer)
+                `((tr (td (table (tbody ,@body))))
+                  (tr (td (table (tbody ,@footer)))))))
+          body))))))
+
 (defun shr-find-elements (cont type)
   (let (result)
     (dolist (elem cont)