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eww: display page source (was: eww.el: Patch to cache the parse tree)
From: |
Ted Zlatanov |
Subject: |
eww: display page source (was: eww.el: Patch to cache the parse tree) |
Date: |
Wed, 04 Dec 2013 11:46:54 -0500 |
User-agent: |
Gnus/5.130008 (Ma Gnus v0.8) Emacs/24.3.50 (gnu/linux) |
Lars, since you're in a generous mood ;)
Here's a patch to display the current page's HTML source. Can you see
if it's acceptable? I used the `eww-current-dom' code as a guide to
where to put the stateful data.
Thanks
Ted
=== modified file 'lisp/net/eww.el'
--- lisp/net/eww.el 2013-12-03 04:54:17 +0000
+++ lisp/net/eww.el 2013-12-04 16:43:02 +0000
@@ -117,6 +117,7 @@
(defvar eww-current-url nil)
(defvar eww-current-dom nil)
+(defvar eww-current-source nil)
(defvar eww-current-title ""
"Title of current page.")
(defvar eww-history nil)
@@ -247,6 +248,7 @@
(list
'base (list (cons 'href url))
(libxml-parse-html-region (point) (point-max))))))
+ (setq eww-current-source (buffer-substring (point) (point-max)))
(eww-setup-buffer)
(setq eww-current-dom document)
(let ((inhibit-read-only t)
@@ -375,6 +377,14 @@
(unless (eq major-mode 'eww-mode)
(eww-mode)))
+(defun eww-view-source ()
+ (let ((buf (get-buffer-create "*eww-source*"))
+ (source eww-current-source))
+ (with-current-buffer buf
+ (delete-region (point-min) (point-max))
+ (insert (or eww-current-source "no source")))
+ (view-buffer buf)))
+
(defvar eww-mode-map
(let ((map (make-sparse-keymap)))
(suppress-keymap map)
@@ -395,6 +405,7 @@
(define-key map "d" 'eww-download)
(define-key map "w" 'eww-copy-page-url)
(define-key map "C" 'url-cookie-list)
+ (define-key map "v" 'eww-view-source)
(define-key map "b" 'eww-add-bookmark)
(define-key map "B" 'eww-list-bookmarks)
@@ -411,6 +422,7 @@
:active (not (zerop eww-history-position))]
["Browse with external browser" eww-browse-with-external-browser t]
["Download" eww-download t]
+ ["View page source" eww-view-source]
["Copy page URL" eww-copy-page-url t]
["Add bookmark" eww-add-bookmark t]
["List bookmarks" eww-copy-page-url t]
@@ -424,6 +436,7 @@
;; FIXME? This seems a strange default.
(set (make-local-variable 'eww-current-url) 'author)
(set (make-local-variable 'eww-current-dom) nil)
+ (set (make-local-variable 'eww-current-source) nil)
(set (make-local-variable 'browse-url-browser-function) 'eww-browse-url)
(set (make-local-variable 'after-change-functions) 'eww-process-text-input)
(set (make-local-variable 'eww-history) nil)
@@ -437,6 +450,7 @@
:title eww-current-title
:point (point)
:dom eww-current-dom
+ :source eww-current-source
:text (buffer-string))
eww-history))
@@ -468,6 +482,7 @@
(let ((inhibit-read-only t))
(erase-buffer)
(insert (plist-get elem :text))
+ (setq eww-current-source (plist-get elem :source))
(setq eww-current-dom (plist-get elem :dom))
(goto-char (plist-get elem :point))
(setq eww-current-url (plist-get elem :url)