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