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blog.lazkani.io-20200902-hi.../plugins/orgmode/init.el

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EmacsLisp

;; Init file to use with the orgmode plugin.
;; Load org-mode
;; Requires org-mode v8.x
(require 'package)
(add-to-list 'load-path "~/.emacs.d/.local/straight/build/htmlize")
(setq package-load-list '((htmlize t)))
(package-initialize)
(require 'org)
(require 'ox-html)
;;; Custom configuration for the export.
;;; Add any custom configuration that you would like to 'conf.el'.
(setq nikola-use-pygments t
org-export-with-toc nil
org-export-with-section-numbers nil
org-startup-folded 'showeverything)
;; Load additional configuration from conf.el
(let ((conf (expand-file-name "conf.el" (file-name-directory load-file-name))))
(if (file-exists-p conf)
(load-file conf)))
;;; Macros
;; Load Nikola macros
(setq nikola-macro-templates
(with-current-buffer
(find-file
(expand-file-name "macros.org" (file-name-directory load-file-name)))
(org-macro--collect-macros)))
;;; Code highlighting
(defun org-html-decode-plain-text (text)
"Convert HTML character to plain TEXT. i.e. do the inversion of
`org-html-encode-plain-text`. Possible conversions are set in
`org-html-protect-char-alist'."
(mapc
(lambda (pair)
(setq text (replace-regexp-in-string (cdr pair) (car pair) text t t)))
(reverse org-html-protect-char-alist))
text)
;; Use pygments highlighting for code
(defun pygmentize (lang code)
"Use Pygments to highlight the given code and return the output"
(with-temp-buffer
(insert code)
(let ((lang (or (cdr (assoc lang org-pygments-language-alist)) "text")))
(shell-command-on-region (point-min) (point-max)
(format "pygmentize -f html -l %s" lang)
(buffer-name) t))
(buffer-string)))
(defconst org-pygments-language-alist
'(("asymptote" . "asymptote")
("awk" . "awk")
("c" . "c")
("c++" . "cpp")
("cpp" . "cpp")
("clojure" . "clojure")
("css" . "css")
("d" . "d")
("emacs-lisp" . "scheme")
("F90" . "fortran")
("gnuplot" . "gnuplot")
("groovy" . "groovy")
("haskell" . "haskell")
("java" . "java")
("js" . "js")
("julia" . "julia")
("latex" . "latex")
("lisp" . "lisp")
("makefile" . "makefile")
("matlab" . "matlab")
("mscgen" . "mscgen")
("ocaml" . "ocaml")
("octave" . "octave")
("perl" . "perl")
("picolisp" . "scheme")
("python" . "python")
("r" . "r")
("ruby" . "ruby")
("sass" . "sass")
("scala" . "scala")
("scheme" . "scheme")
("sh" . "sh")
("sql" . "sql")
("sqlite" . "sqlite3")
("tcl" . "tcl"))
"Alist between org-babel languages and Pygments lexers.
lang is downcased before assoc, so use lowercase to describe language available.
See: http://orgmode.org/worg/org-contrib/babel/languages.html and
http://pygments.org/docs/lexers/ for adding new languages to the mapping.")
;; Override the html export function to use pygments
(defun org-html-src-block (src-block contents info)
"Transcode a SRC-BLOCK element from Org to HTML.
CONTENTS holds the contents of the item. INFO is a plist holding
contextual information."
(if (org-export-read-attribute :attr_html src-block :textarea)
(org-html--textarea-block src-block)
(let ((lang (org-element-property :language src-block))
(code (org-element-property :value src-block))
(code-html (org-html-format-code src-block info)))
(if nikola-use-pygments
(progn
(unless lang (setq lang ""))
(pygmentize (downcase lang) (org-html-decode-plain-text code)))
code-html))))
;; Export images with custom link type
(defun org-custom-link-img-url-export (path desc format)
(cond
((eq format 'html)
(format "<img src=\"%s\" alt=\"%s\"/>" path desc))))
(org-add-link-type "img-url" nil 'org-custom-link-img-url-export)
;; Export images with built-in file scheme
(defun org-file-link-img-url-export (path desc format)
(cond
((eq format 'html)
(format "<img src=\"/%s\" alt=\"%s\"/>" path desc))))
(org-add-link-type "file" nil 'org-file-link-img-url-export)
;; Export function used by Nikola.
(defun nikola-html-export (infile outfile)
"Export the body only of the input file and write it to
specified location."
(with-current-buffer (find-file infile)
(org-macro-replace-all nikola-macro-templates)
(org-html-export-as-html nil nil t t)
(write-file outfile nil)))