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[180.150.91.8]) by smtp.gmail.com with ESMTPSA id ie13sm6264200pjb.5.2020.09.17.07.21.26 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Sep 2020 07:21:27 -0700 (PDT) References: <87pn6kfr19.fsf@gmail.com> User-agent: mu4e 1.4.13; emacs 27.1 From: TEC To: org-mode-email Subject: Re: [PATCH] Enhance org-html--build-meta-info In-reply-to: <87pn6kfr19.fsf@gmail.com> Message-ID: <87o8m4fpr0.fsf@gmail.com> Date: Thu, 17 Sep 2020 22:21:23 +0800 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=2607:f8b0:4864:20::1042; envelope-from=tecosaur@gmail.com; helo=mail-pj1-x1042.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-orgmode-bounces+larch=yhetil.org@gnu.org Sender: "Emacs-orgmode" X-Scanner: scn0 Authentication-Results: aspmx1.migadu.com; dkim=fail (body hash did not verify) header.d=gmail.com header.s=20161025 header.b=pTX1THLl; dmarc=fail reason="SPF not aligned (relaxed)" header.from=gmail.com (policy=none); spf=pass (aspmx1.migadu.com: domain of emacs-orgmode-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=emacs-orgmode-bounces@gnu.org X-Spam-Score: 0.09 X-TUID: 29DvrP91TpcO TEC writes: > <#part type=3D=E2=80=9Ctext/x-patch=E2=80=9D filename=3D=E2=80=9Chome/tec= .emacs.d/.local/straight/repos/org-mode/0001-lisp-ox-html.el-make-html-meta= -func-nicer.patch=E2=80=9D > disposition=3Dinline> > <#/part> I have no idea what I need to do to get Mu4e to attach files, but I'm clearly not doing it right. Here's the patch inline: >From ae830f0be92c0b5ac3a9fb3d967a24d4292a1a4d Mon Sep 17 00:00:00 2001 From: TEC Subject: [PATCH] lisp/ox-html.el: make html meta func nicer * lisp/ox-html.el (org-html--build-meta-info): Multi-line repeated structure extracted to new function `org-html--build-meta-entry'. The opportunity was taken to extract most metadata info to custom variable `org-html-meta-tags', allowing for easy end-user modification. --- lisp/ox-html.el | 111 ++++++++++++++++++++++++++---------------------- 1 file changed, 61 insertions(+), 50 deletions(-) diff --git a/lisp/ox-html.el b/lisp/ox-html.el index d2f24f5c6..901f1a379 100644 --- a/lisp/ox-html.el +++ b/lisp/ox-html.el @@ -1425,6 +1425,28 @@ not be modified." ;;;; Template :: Styles +(defcustom org-html-meta-tags + '((lambda (_title author _info) + (when (org-string-nw-p author) + (org-html--build-meta-entry "name" "author" author))) + (lambda (_title _author info) + (when (org-string-nw-p (plist-get info :description)) + (org-html--build-meta-entry "name" "description" + (plist-get info :description)))) + ("name" "generator" "Org Mode")) + "A list of arguments to be passed to `org-html--build-meta-entry'. +Each argument can either be an list which is applied, or a function which +generates such a list with signature (TITLE AUTHOR INFO) where TITLE and A= UTHOR +are strings, and INFO a communication plist." + :group 'org-export-html + :package-version '(Org . "9.5") + :type '(repeat + (choice + (list (string :tag "Meta label") + (string :tag "label value") + (string :tag "Content value")) + function))) + (defcustom org-html-head-include-default-style t "Non-nil means include the default style in exported HTML files. The actual style is defined in `org-html-style-default' and @@ -1835,23 +1857,31 @@ INFO is a plist used as a communication channel." ;;; Template +(defun org-html--build-meta-entry (label identity &optional content-format= &rest content-formatters) + "Construct tag with LABEL=3D\"IDENTITY\" and content from CONTENT= -FORMAT and CONTENT-FORMATTER." + (concat "\n")) + (defun org-html--build-meta-info (info) "Return meta tags for exported document. INFO is a plist used as a communication channel." - (let* ((protect-string - (lambda (str) - (replace-regexp-in-string - "\"" """ (org-html-encode-plain-text str)))) - (title (org-export-data (plist-get info :title) info)) + (let* ((title (org-export-data (plist-get info :title) info)) ;; Set title to an invisible character instead of leaving it ;; empty, which is invalid. (title (if (org-string-nw-p title) title "‎")) (author (and (plist-get info :with-author) (let ((auth (plist-get info :author))) - ;; Return raw Org syntax. + ;; Return raw Org syntax. (and auth (org-element-interpret-data auth))))) - (description (plist-get info :description)) - (keywords (plist-get info :keywords)) (charset (or (and org-html-coding-system (fboundp 'coding-system-get) (coding-system-get org-html-coding-system @@ -1863,50 +1893,31 @@ INFO is a plist used as a communication channel." (concat "\n"))) - (format - (if (org-html-html5-p info) - (org-html-close-tag "meta" "charset=3D\"%s\"" info) - (org-html-close-tag - "meta" "http-equiv=3D\"Content-Type\" content=3D\"text/html;charset=3D%s= \"" - info)) - charset) "\n" + + (if (org-html-html5-p info) + (org-html--build-meta-entry "charset" charset) + (org-html--build-meta-entry "http-equiv" "Content-Type" + (concat "text/html;charset=3D" charset))) + (let ((viewport-options - (cl-remove-if-not (lambda (cell) (org-string-nw-p (cadr cell))) - (plist-get info :html-viewport)))) - (and viewport-options - (concat - (org-html-close-tag - "meta" - (format "name=3D\"viewport\" content=3D\"%s\"" - (mapconcat - (lambda (elm) (format "%s=3D%s" (car elm) (cadr elm))) - viewport-options ", ")) - info) - "\n"))) + (cl-remove-if-not (lambda (cell) (org-string-nw-p (cadr cell))) + (plist-get info :html-viewport)))) + (if viewport-options + (org-html--build-meta-entry "name" "viewport" + (mapconcat + (lambda (elm) (format "%s=3D%s" (c= ar elm) (cadr elm))) + viewport-options ", ")))) + (format "%s\n" title) - (org-html-close-tag "meta" "name=3D\"generator\" content=3D\"Org mode= \"" info) - "\n" - (and (org-string-nw-p author) - (concat - (org-html-close-tag "meta" - (format "name=3D\"author\" content=3D\"%s\"" - (funcall protect-string author)) - info) - "\n")) - (and (org-string-nw-p description) - (concat - (org-html-close-tag "meta" - (format "name=3D\"description\" content=3D\"%s\"\n" - (funcall protect-string description)) - info) - "\n")) - (and (org-string-nw-p keywords) - (concat - (org-html-close-tag "meta" - (format "name=3D\"keywords\" content=3D\"%s\"" - (funcall protect-string keywords)) - info) - "\n"))))) + + (apply #'concat + (mapcar + (lambda (form) + (when (functionp form) + (setq form (funcall form title author info))) + (when form + (apply #'org-html--build-meta-entry form))) + org-html-meta-tags))))) (defun org-html--build-head (info) "Return information for the .. of the HTML output. -- 2.28.0