diff options
Diffstat (limited to 'lisp/seam-html.el')
| -rw-r--r-- | lisp/seam-html.el | 42 |
1 files changed, 31 insertions, 11 deletions
diff --git a/lisp/seam-html.el b/lisp/seam-html.el index 018e56f..e95ff9d 100644 --- a/lisp/seam-html.el +++ b/lisp/seam-html.el @@ -1,6 +1,7 @@ ;;; seam-html.el --- Seam HTML exporter -*- lexical-binding: t -*- ;; Copyright (C) 2025 Spencer Williams +;; Copyright (C) 2011-2025 Free Software Foundation, Inc. ;; Author: Spencer Williams <spnw@plexwave.org> @@ -28,15 +29,34 @@ ;; This was blithely hacked together using large chunks of code lifted ;; straight from ox-html.el, and could do with much improvement. ;; -;; Original ox-html code is licensed under GPL v3+. Copyright (c) -;; 2011-2025 Free Software Foundation, Inc. Original authors: Carsten -;; Dominik <carsten.dominik@gmail.com> and Jambunathan K <kjambunathan -;; at gmail dot com>. +;; The original authors of ox-html are: +;; Carsten Dominik <carsten.dominik@gmail.com> +;; Jambunathan K <kjambunathan at gmail dot com> ;;; Code: (require 'ox-html) +;;; Org <9.7 compatibility. + +(fset 'seam-html--element-parent-element + (if (fboundp 'org-element-parent-element) + 'org-element-parent-element + 'org-export-get-parent-element)) + +(fset 'seam-html--element-parent + (if (fboundp 'org-element-parent) + 'org-element-parent + (lambda (node) + (org-element-property :parent node)))) + +(fset 'seam-html--element-type-p + (if (fboundp 'org-element-type-p) + 'org-element-type-p + (lambda (node types) + (memq (org-element-type node) + (ensure-list types))))) + ;;; NOTE: This function does not respect `:headline-levels' or ;;; `:html-self-link-headlines'. (defun seam-html-headline (headline contents info) @@ -102,8 +122,8 @@ images, set it to: (lambda (paragraph) (org-element-property :caption paragraph))" (let ((paragraph (pcase (org-element-type element) (`paragraph element) - (`link (org-element-parent element))))) - (and (org-element-type-p paragraph 'paragraph) + (`link (seam-html--element-parent element))))) + (and (seam-html--element-type-p paragraph 'paragraph) (or (not (and (boundp 'seam-html-standalone-image-predicate) (fboundp seam-html-standalone-image-predicate))) (funcall seam-html-standalone-image-predicate paragraph)) @@ -187,9 +207,9 @@ INFO is a plist holding contextual information. See ;; do this for the first link in parent (inner image link ;; for inline images). This is needed as long as ;; attributes cannot be set on a per link basis. - (let* ((parent (org-element-parent-element link)) - (link (let ((container (org-element-parent link))) - (if (and (org-element-type-p container 'link) + (let* ((parent (seam-html--element-parent-element link)) + (link (let ((container (seam-html--element-parent link))) + (if (and (seam-html--element-type-p container 'link) (org-html-inline-image-p link info)) container link)))) @@ -268,7 +288,7 @@ INFO is a plist holding contextual information. See (_ (if (and destination (memq (plist-get info :with-latex) '(mathjax t)) - (org-element-type-p destination 'latex-environment) + (seam-html--element-type-p destination 'latex-environment) (eq 'math (org-latex--environment-type destination))) ;; Caption and labels are introduced within LaTeX ;; environment. Use "ref" or "eqref" macro, depending on user @@ -279,7 +299,7 @@ INFO is a plist holding contextual information. See (seam-html-standalone-image-predicate #'org-html--has-caption-p) (counter-predicate - (if (org-element-type-p destination 'latex-environment) + (if (seam-html--element-type-p destination 'latex-environment) #'org-html--math-environment-p #'org-html--has-caption-p)) (number |