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enable to preview with relative images. #893

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enable to preview with relative images. #893

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11 changes: 11 additions & 0 deletions markdown-mode.el
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Original file line number Diff line number Diff line change
Expand Up @@ -7663,6 +7663,16 @@ or remove markup."

;;; Commands ==================================================================

(defun markdown--replace-rel2abs (output-buffer-name)
"Convert relative image URLs to absolute paths in OUTPUT-BUFFER-NAME."
(let ((buf (get-buffer-create output-buffer-name))
(base-path default-directory))
(with-current-buffer buf
(goto-char (point-min))
(while (re-search-forward "<img src=\"\\(\\.[^\"]+\\)" nil t)
(let ((arbitrary-name (match-string 1)))
(replace-match (concat "<img src=\"" (expand-file-name arbitrary-name base-path) nil nil)))))))

(defun markdown (&optional output-buffer-name)
"Run `markdown-command' on buffer, sending output to OUTPUT-BUFFER-NAME.
The output buffer name defaults to `markdown-output-buffer-name'.
Expand Down Expand Up @@ -7724,6 +7734,7 @@ Return the name of the output buffer used."
(unless (eq exit-code 0)
(user-error "%s failed with exit code %s"
markdown-command exit-code))))
(markdown--replace-rel2abs output-buffer-name)
output-buffer-name))

(defun markdown-standalone (&optional output-buffer-name)
Expand Down