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Added a defcustom which enables users to view hoogle results in eww #1881

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Added a defcustom which enables users to view hoogle results in eww #1881

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46 changes: 26 additions & 20 deletions haskell-hoogle.el
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Original file line number Diff line number Diff line change
Expand Up @@ -59,33 +59,39 @@ If nil, use the Hoogle web-site."
(const :tag "fp-complete" "https://www.stackage.org/lts/hoogle?q=%s")
string))

(defcustom haskell-hoogle-use-eww nil
"Whether to use Eww for viewing hoogle results."
:group 'haskell
:type 'hooolean)

;;;###autoload
(defun haskell-hoogle (query &optional info)
"Do a Hoogle search for QUERY.

If prefix argument INFO is given, then `haskell-hoogle-command'
is asked to show extra info for the items matching QUERY.."
(interactive (append (hoogle-prompt) current-prefix-arg))
(if (null haskell-hoogle-command)
(browse-url (format haskell-hoogle-url (url-hexify-string query)))
(let* ((command (concat (if (functionp haskell-hoogle-command)
(funcall haskell-hoogle-command)
haskell-hoogle-command)
(if info " -i " "")
" --color " (shell-quote-argument query)))
(output (shell-command-to-string command)))
(with-help-window "*hoogle*"
(with-current-buffer standard-output
(let ((outs (ansi-color-filter-apply output)))
(delay-mode-hooks (haskell-mode))
(if info
(let ((lns (split-string output "\n" t " ")))
(insert (car lns) "\n\n")
(dolist (ln (cdr lns)) (insert "-- " ln "\n")))
(insert outs)
(forward-line -1)
(when (looking-at-p "^plus more results") (insert "\n-- ")))
(view-mode)))))))
(cond
(haskell-hoogle-use-eww (eww (format haskell-hoogle-url (url-hexify-string query))))
((null haskell-hoogle-command) (browse-url (format haskell-hoogle-url (url-hexify-string query))))
(t (let* ((command (concat (if (functionp haskell-hoogle-command)
(funcall haskell-hoogle-command)
haskell-hoogle-command)
(if info " -i " "")
" --color " (shell-quote-argument query)))
(output (shell-command-to-string command)))
(with-help-window "*hoogle*"
(with-current-buffer standard-output
(let ((outs (ansi-color-filter-apply output)))
(delay-mode-hooks (haskell-mode))
(if info
(let ((lns (split-string output "\n" t " ")))
(insert (car lns) "\n\n")
(dolist (ln (cdr lns)) (insert "-- " ln "\n")))
(insert outs)
(forward-line -1)
(when (looking-at-p "^plus more results") (insert "\n-- ")))
(view-mode))))))))

;;;###autoload
(defalias 'hoogle 'haskell-hoogle)
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