203 lines
7.4 KiB
EmacsLisp
203 lines
7.4 KiB
EmacsLisp
(require 'org)
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(require 'ox-publish)
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(require 'ox-html)
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(require 'org-element)
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(require 'ox-rss)
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(defun org-blog-prepare (project-plist)
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"With help from `https://github.com/howardabrams/dot-files'.
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Touch `index.org' to rebuilt it.
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Argument `PROJECT-PLIST' contains information about the current project."
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(let* ((base-directory (plist-get project-plist :base-directory))
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(buffer (find-file-noselect (expand-file-name "index.org" base-directory) t)))
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(with-current-buffer buffer
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(set-buffer-modified-p t)
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(save-buffer 0))))
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(defvar org-blog-head
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(concat
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"<link rel=\"stylesheet\" type=\"text/css\" href=\"/assets/css/minimalist.css\"/>"
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"<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">"
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"<link rel=\"alternative\" type=\"application/rss+xml\" title=\"Subscribe to articles\" href=\"/archives.xml\" />"
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"<link rel=\"shortcut icon\" type=\"image/x-icon\" href=\"/favicon.ico\">"))
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(defun menu (lst)
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"Blog menu"
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(concat
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"<navigation class=\"menu\">"
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(mapconcat 'identity
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(append
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'("<a href=\"/index.html\">Home</a>"
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"<a href=\"/archive.html\">Posts</a>")
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lst)
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" | ")
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"</navigation>"))
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(defun str-time-to-year-float (date-str)
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(/ (float-time
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(apply 'encode-time
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(mapcar (lambda (x) (if (null x) 0 x))
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(parse-time-string date-str))))
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(* 365.25 24 60 60)))
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(defvar blog-creation-date "2019-07-01")
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(defun y-date (date-str)
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"Number of year since the begining of this blog"
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(let ((y (- (str-time-to-year-float date-str)
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(str-time-to-year-float blog-creation-date))))
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(format "∆t=%.2f" y)))
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(defun org-blog-preamble (info)
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"Pre-amble for whole blog."
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(concat
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"<div class=\"content\">"
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(menu '("<a href=\"#postamble\">↓ bottom ↓</a>"))
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"<h1>"
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(format "%s" (car (plist-get info :title)))
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(when-let ((date (get-from-info info :date)))
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(format " - <span class=\"article-date\">%s</span>" date))
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"</h1>"
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"</div>"))
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(defun get-from-info (info k)
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(let ((i (car (plist-get info k))))
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(when (and i (stringp i))
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i)))
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(defun rand-obfs (c)
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(let ((r (% (random) 20)))
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(cond ((eq 0 r) (format "%c" c))
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((< 0 r 10) (format "&#%d;" c))
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(t (format "&#x%X;" c)))))
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(defun obfuscate-html (txt)
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(apply 'concat
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(mapcar 'rand-obfs txt)))
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(defun org-blog-postamble (info)
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"Post-amble for whole blog."
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(concat
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"<div class=\"content\">"
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"<footer>"
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(when-let ((author (get-from-info info :author)))
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(if-let ((email (plist-get info :email)))
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(format "<div class=\"author\">Author: <a href=\"%s%s\">%s</a></div>"
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(obfuscate-html "mailto:")
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(obfuscate-html email)
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(obfuscate-html author))
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(format "<div class=\"author\">Author: %s</div>" author)))
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(when-let ((date (get-from-info info :date)))
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(format "<div class=\"date\">Created: %s (%s)</div>" date (y-date date)))
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(when-let ((keywords (plist-get info :keywords)))
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(format "<div class=\"keywords\">Keywords: <code>%s</code></div>" keywords))
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(format "<div class=\"date\">Generated: %s</div>"
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(format-time-string "%Y-%m-%d %H:%M:%S"))
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(format (concat "<div class=\"creator\"> Generated with "
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"<a href=\"https://www.gnu.org/software/emacs/\" target=\"_blank\" rel=\"noopener noreferrer\">Emacs %s</a>, "
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"<a href=\"http://spacemacs.org\" target=\"_blank\" rel=\"noopener noreferrer\">Spacemacs %s</a>, "
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"<a href=\"http://orgmode.org\" target=\"_blank\" rel=\"noopener noreferrer\">Org Mode %s</a>"
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"</div>")
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emacs-version spacemacs-version org-version)
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"</footer>"
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(menu '("<a href=\"#preamble\">↑ Top ↑</a>"))
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"</div>"))
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(defun org-blog-sitemap-format-entry (entry _style project)
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"Return string for each ENTRY in PROJECT."
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(when (s-starts-with-p "posts/" entry)
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(format "@@html:<span class=\"archive-item\"><span class=\"archive-date\">@@ %s: @@html:</span>@@ [[file:%s][%s]] @@html:</span>@@"
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(format-time-string "%Y-%m-%d"
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(org-publish-find-date entry project))
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entry
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(org-publish-find-title entry project))))
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(defun org-blog-sitemap-function (title list)
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"Return sitemap using TITLE and LIST returned by `org-blog-sitemap-format-entry'."
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(concat "#+TITLE: " title "\n"
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"#+AUTHOR: Yann Esposito\n"
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"#+EMAIL: yann.esposito@gmail.com\n"
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"\n#+begin_archive\n"
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(mapconcat (lambda (li)
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(format "@@html:<li>@@ %s @@html:</li>@@" (car li)))
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(seq-filter #'car (cdr list))
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"\n")
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"\n#+end_archive\n"))
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(setq base-dir (concat (projectile-project-root) "src"))
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(setq publish-dir (concat (projectile-project-root) "_site"))
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(setq assets-dir (concat base-dir "/assets"))
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(setq publish-assets-dir (concat publish-dir "/assets"))
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(setq rss-dir base-dir)
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(setq publish-rss-dir publish-dir)
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(setq domainname "https://her.esy.fun")
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(setq org-publish-project-alist
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`(("orgfiles"
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:base-directory ,base-dir
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:exclude ".*drafts/.*"
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:base-extension "org"
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:publishing-directory ,publish-dir
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:recursive t
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:preparation-function org-blog-prepare
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:publishing-function org-html-publish-to-html
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:with-toc nil
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:with-title nil
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:with-date t
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:section-numbers nil
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:html-doctype "html5"
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:html-html5-fancy t
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:html-head-include-default-style nil
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:html-head-include-scripts nil
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:htmlized-source t
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:html-head-extra ,org-blog-head
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:html-preamble org-blog-preamble
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:html-postamble org-blog-postamble
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:auto-sitemap t
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:sitemap-filename "archive.org"
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:sitemap-title "Blog Posts"
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:sitemap-style list
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:sitemap-sort-files anti-chronologically
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:sitemap-format-entry org-blog-sitemap-format-entry
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:sitemap-function org-blog-sitemap-function)
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("assets"
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:base-directory ,assets-dir
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:base-extension ".*"
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:publishing-directory ,publish-assets-dir
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:publishing-function org-publish-attachment
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:recursive t)
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("rss"
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:base-directory ,rss-dir
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:base-extension "org"
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:html-link-home ,domainname
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:html-link-use-abs-url t
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:rss-extension "xml"
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:publishing-directory ,publish-rss-dir
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:publishing-function (org-rss-publish-to-rss)
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:exclude ".*"
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:include ("archive.org")
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:section-numbers nil
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:table-of-contents nil)
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("blog" :components ("orgfiles" "assets" "rss"))))
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;; add target=_blank and rel="noopener noreferrer" to all links by default
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(defun my-org-export-add-target-blank-to-http-links (text backend info)
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"Add target=\"_blank\" to external links."
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(when (and
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(org-export-derived-backend-p backend 'html)
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(string-match "href=\"http[^\"]+" text)
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(not (string-match "target=\"" text))
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(not (string-match (concat "href=\"" domainname "[^\"]*") text)))
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(string-match "<a " text)
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(replace-match "<a target=\"_blank\" rel=\"noopener noreferrer\" " nil nil text)))
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(add-to-list 'org-export-filter-link-functions
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'my-org-export-add-target-blank-to-http-links)
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