556 lines
23 KiB
EmacsLisp
556 lines
23 KiB
EmacsLisp
;;; core/lib/docs.el -- a reader mode for Doom's Org docs -*- lexical-binding: t; -*-
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;;; Commentary:
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;;
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;; This file defines `doom-docs-org-mode', a major mode derived from org-mode,
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;; intended to make Doom's documentation more readable, insert virtual
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;; navigation in the header, prettify org buffers (hiding syntax and special
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;; tags), and defines special link types.
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;;
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;; This mode isn't only for Doom's docs, but also for docs found in other Doom
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;; projects, like doomemacs/themes, doomemacs/snippets, and more. Most of its
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;; variables can be customized in its root .dir-locals.el.
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;;
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;;; Code:
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;;;###autoload
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(defvar doom-docs-dir (file-name-concat doom-emacs-dir "docs/")
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"Where Doom's documentation files are stored. Must end with a slash.")
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(defvar doom-docs-header-specs
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'(("/docs/index\\.org$"
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(:label "FAQ"
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:icon "nf-md-message_question_outline"
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:link "doom-faq:"
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:help-echo "Open the FAQ document"))
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(("/docs/[^/]+\\.org$" "/modules/README\\.org$")
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(:label "Back to index"
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:icon "nf-md-arrow_left"
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:link "doom-index"
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:help-echo "Navigate to the root index"))
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("/modules/[^/]+/README\\.org$"
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(:label "Back to module index"
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:icon "nf-md-arrow_left"
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:link "doom-module-index:"))
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("/modules/[^/]+/[^/]+/README\\.org$"
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(:label "Back to module index"
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:icon "nf-md-arrow_left"
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:link "doom-module-index:")
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(:label "History"
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:icon "nf-md-history"
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:icon-face font-lock-variable-name-face
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:link (lambda ()
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(cl-destructuring-bind (category . module) (doom-module-from-path (buffer-file-name))
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(format "doom-module-history:%s/%s" (doom-keyword-name category) module)))
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:help-echo "View the module history"
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:align right)
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(:label "Issues"
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:icon "nf-md-flag"
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:icon-face error
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:link (lambda ()
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(cl-destructuring-bind (category . module) (doom-module-from-path (buffer-file-name))
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(format "doom-module-issues::%s %s" category module)))
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:align right))
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(t
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(:label "Suggest edits"
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:icon "nf-md-account_edit"
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:icon-face warning
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:link "doom-suggest-edit"
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:align right)
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(:label "Help"
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:icon "nf-md-timeline_help_outline"
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:icon-face font-lock-function-name-face
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:link (lambda ()
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(let ((title (cadar (org-collect-keywords '("TITLE")))))
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(cond ((equal title "Changelog") "doom-help-changelog:")
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((string-prefix-p ":" title) "doom-help-modules:")
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(t "doom-help:"))))
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:align right))))
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(defun doom-docs--make-header ()
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"Create a header string for the current buffer."
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(let* ((applicable-specs
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(cl-loop for (condition . specs) in doom-docs-header-specs
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when (if (symbolp condition)
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(symbol-value condition)
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(seq-some (doom-rpartial #'string-match-p (buffer-file-name))
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(ensure-list condition)))
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append specs))
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(left-specs
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(cl-remove-if-not
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(lambda (s) (memq (plist-get s :align) '(nil left)))
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applicable-specs))
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(right-specs
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(cl-remove-if-not
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(lambda (s) (eq (plist-get s :align) 'right))
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applicable-specs))
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(left-string
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(mapconcat #'doom-docs--make-header-link left-specs " "))
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(right-string
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(mapconcat #'doom-docs--make-header-link right-specs " ")))
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(if (string-empty-p right-string)
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(concat " " left-string)
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(concat " " left-string
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(make-string (max (- (window-width)
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(length left-string)
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(length right-string)
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4)
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1)
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?\s)
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right-string))))
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(defun doom-docs--make-header-link (spec)
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"Create a header link according to SPEC."
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(let ((icon (and (plist-get spec :icon)
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(with-demoted-errors "DOCS ERROR: %s"
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(funcall (or (plist-get spec :icon-function)
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#'nerd-icons-mdicon)
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(plist-get spec :icon)))))
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(label (pcase (plist-get spec :label)
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((and (pred functionp) lab)
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(funcall lab))
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((and (pred stringp) lab)
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lab)))
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(link (pcase (plist-get spec :link)
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((and (pred functionp) link)
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(funcall link))
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((and (pred stringp) link)
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link))))
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(propertize
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(concat
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(and icon
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(propertize icon 'face
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(cadr (or (plist-member spec :icon-face)
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(plist-member spec :face)))))
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(and icon label " ")
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(and label
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(propertize label 'face (cadr (or (plist-get spec :face)
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'(nil link))))))
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'doom-docs-link link
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'keymap doom-docs--header-link-keymap
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'help-echo (or (plist-get spec :help-echo)
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(format "LINK: %s" link))
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'mouse-face 'highlight)))
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(setq doom-docs--header-link-keymap
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(let ((km (make-sparse-keymap)))
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(define-key km [header-line mouse-2] 'doom-docs--open-header-link)
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(define-key km [mouse-2] 'doom-docs--open-header-link)
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(define-key km [follow-link] 'mouse-face)
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km))
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(defun doom-docs--open-header-link (ev)
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"Open the header link which is the target of the event EV."
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(interactive "e")
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(let* ((string-and-pos (posn-string (event-start ev)))
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(docs-buf (window-buffer (posn-window (event-start ev))))
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(link (get-pos-property (cdr string-and-pos)
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'doom-docs-link
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(car string-and-pos)))
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(parent-link-abbrevs
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(buffer-local-value 'org-link-abbrev-alist-local docs-buf)))
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(with-temp-buffer
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(setq buffer-file-name (buffer-file-name docs-buf))
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(let ((org-inhibit-startup t))
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(org-mode))
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(setq-local org-link-abbrev-alist-local parent-link-abbrevs)
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(insert "[[" link "]]")
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(set-buffer-modified-p nil)
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(org-link-open (org-element-context)))))
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;; DEPRECATED Will be renamed once docs "framework" is generalized
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(defvar doom-docs-link-alist
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'(("doom-tag" . "https://github.com/hlissner/doom-emacs/releases/tag/%s")
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("doom-contrib-core" . "id:9ac0c15c-29e7-43f8-8926-5f0edb1098f0")
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("doom-contrib-docs" . "id:31f5a61d-d505-4ee8-9adb-97678250f4e2")
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("doom-contrib-maintainer" . "id:e71e9595-a297-4c49-bd11-f238329372db")
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("doom-contrib-module" . "id:b461a050-8702-4e63-9995-c2ef3a78f35d")
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("doom-faq" . "id:5fa8967a-532f-4e0c-8ae8-25cd802bf9a9")
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("doom-help" . "id:9bb17259-0b07-45a8-ae7a-fc5e0b16244e")
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("doom-help-changelog" . "id:7c56cc08-b54b-4f4b-b106-a76e2650addd")
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("doom-help-modules" . "id:1ee0b650-f09b-4454-8690-cc145aadef6e")
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("doom-index" . "id:3051d3b6-83e2-4afa-b8fe-1956c62ec096")
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("doom-module-index" . "id:12d2de30-c569-4b8e-bbc7-85dd5ccc4afa")
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("doom-module-issues" . "https://github.com/doomemacs/doomemacs/labels/%s")
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("doom-module-history" . "https://github.com/doomemacs/doomemacs/commits/master/modules/%s")
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("doom-report" . "https://github.com/doomemacs/doomemacs/issues/new/choose")
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("doom-suggest-edit" . "id:31f5a61d-d505-4ee8-9adb-97678250f4e2")
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("doom-suggest-faq" . "id:aa28b732-0512-49ed-a47b-f20586c0f051")
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("github" . "https://github.com/%s")
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;; TODO Implement later, once docs are generalized
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;; ("github-release" . (lambda (link)
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;; (format "%s/releases/tag/%s"
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;; doom-docs-this-repo
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;; link)))
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;; ("github-label" . (lambda (link)
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;; (format "%s/labels/%s"
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;; doom-docs-this-repo
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;; link)))
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;; ("github-commits" . (lambda (link)
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;; (format "%s/commits/%s/modules/%s"
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;; doom-docs-this-repo
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;; "master"
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;; link))"github-repo:/commits/%b/modules/%%s")
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;; ("github-report" . "github-repo:/issues/new/choose")
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))
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;;
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;;; `doom-docs-mode'
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(defun doom-docs--display-menu-h ()
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"Toggle virtual menu line at top of buffer."
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(setq header-line-format
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(and buffer-read-only
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(doom-docs--make-header)))
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(add-hook 'window-state-change-hook #'doom-docs--display-menu-h nil t))
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(defun doom-docs--hide-meta-h ()
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"Hide all meta or comment lines."
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(org-with-wide-buffer
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(goto-char (point-min))
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(save-match-data
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(let ((case-fold-search t))
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(while (re-search-forward "^[ \t]*\\#" nil t)
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(unless (org-in-src-block-p t)
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(catch 'abort
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(org-fold-core-region
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(line-beginning-position)
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(cond ((looking-at "+\\(?:title\\|subtitle\\): +")
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(match-end 0))
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((looking-at "+\\(?:created\\|since\\|author\\|email\\|date\\): +")
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(throw 'abort nil))
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((or (eq (char-after) ?\s)
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(looking-at "+\\(begin\\|end\\)_comment"))
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(line-beginning-position 2))
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((looking-at "+\\(?:begin\\|end\\)_\\([^ \n]+\\)")
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(line-end-position))
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((line-beginning-position 2)))
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doom-docs-mode 'doom-doc-hidden))))))))
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(defun doom-docs--hide-drawers-h ()
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"Hide all property drawers."
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(let (pt)
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(org-with-wide-buffer
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(goto-char (point-min))
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(when (looking-at-p org-drawer-regexp)
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(setq pt (org-element-property :end (org-element-at-point))))
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(while (re-search-forward org-drawer-regexp nil t)
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(when-let ((el (org-element-at-point))
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(beg (max (point-min) (1- (org-element-property :begin el))))
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(end (org-element-property :end el))
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((memq (org-element-type el) '(drawer property-drawer))))
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(when (org-element-property-inherited :level el)
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(cl-decf end))
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(org-fold-core-region beg end doom-docs-mode 'doom-doc-hidden))))
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;; FIX: If the cursor remains within a newly folded region, that folk will
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;; come undone, so we move it.
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(if pt (goto-char pt))))
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(defun doom-docs--hide-tags-h ()
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"Hide tags in org headings."
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(org-with-wide-buffer
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(goto-char (point-min))
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(while (re-search-forward org-heading-regexp nil t)
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(when-let (tags (org-get-tags nil t))
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(when (or (member "noorg" tags)
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(member "unfold" tags))
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;; prevent `org-ellipsis' around hidden regions
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(org-show-entry))
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(if (member "noorg" tags)
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(org-fold-core-region (line-end-position 0)
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(save-excursion
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(org-end-of-subtree t)
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(forward-line 1)
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(if (and (bolp) (eolp))
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(line-beginning-position)
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(line-end-position 0)))
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doom-docs-mode 'doom-doc-hidden)
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(org-fold-core-region (save-excursion
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(goto-char (line-beginning-position))
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(re-search-forward " +:[^ ]" (line-end-position))
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(match-beginning 0))
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(line-end-position)
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doom-docs-mode 'doom-doc-hidden))))))
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(defun doom-docs--hide-stars-h ()
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"Update invisible property to VISIBILITY for markers in the current buffer."
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(org-with-wide-buffer
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(goto-char (point-min))
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(with-silent-modifications
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(while (re-search-forward "^\\(\\*[ \t]\\|\\*\\*+\\)" nil t)
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(org-fold-core-region (match-beginning 0)
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(match-end 0)
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doom-docs-mode
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'doom-doc-hidden)))))
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(defvar doom-docs--babel-cache nil)
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(defun doom-docs--hide-src-blocks-h ()
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"Hide babel blocks (and/or their results) depending on their :exports arg."
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(org-with-wide-buffer
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(let ((inhibit-read-only t))
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(goto-char (point-min))
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(make-local-variable 'doom-docs--babel-cache)
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(while (re-search-forward org-babel-src-block-regexp nil t)
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(let* ((beg (match-beginning 0))
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(end (save-excursion (goto-char (match-end 0))
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(skip-chars-forward "\n")
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(point)))
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(exports
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(save-excursion
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(goto-char beg)
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(and (re-search-forward " :exports \\([^ \n]+\\)" (line-end-position) t)
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(match-string-no-properties 1))))
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(results (org-babel-where-is-src-block-result)))
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(save-excursion
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(when (and (if (stringp exports)
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(member exports '("results" "both"))
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org-export-use-babel)
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(not results)
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doom-docs-mode)
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(cl-pushnew beg doom-docs--babel-cache)
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(quiet! (org-babel-execute-src-block))
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(setq results (org-babel-where-is-src-block-result))
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(org-element-cache-refresh beg)
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(restore-buffer-modified-p nil)))
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(save-excursion
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(when results
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(when (member exports '("code" "both" "t"))
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(setq beg results))
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(when (member exports '("none" "code"))
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(setq end (progn (goto-char results)
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(goto-char (org-babel-result-end))
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(skip-chars-forward "\n")
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(point))))))
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(unless (member exports '(nil "both" "code" "t"))
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(org-fold-core-region beg end doom-docs-mode 'doom-doc-hidden))))
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(unless doom-docs-mode
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(save-excursion
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(dolist (pos doom-docs--babel-cache)
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(goto-char pos)
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(org-babel-remove-result)
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(org-element-cache-refresh pos))
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(kill-local-variable 'doom-docs--babel-cache)
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(restore-buffer-modified-p nil))))))
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(defvar doom-docs--macro-cache nil)
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(defun doom-docs--expand-macros-h ()
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"Expand {{{macros}}} with their value."
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(org-with-wide-buffer
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(goto-char (point-min))
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(make-local-variable 'doom-docs--macro-cache)
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(while (re-search-forward "{{{[^}]+}}}" nil t)
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(with-silent-modifications
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(if doom-docs-mode
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(when-let* ((element (org-element-context))
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(key (org-element-property :key element))
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(cachekey (org-element-property :value element))
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(template (cdr (assoc-string key org-macro-templates t))))
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(let ((value (or (cdr (assoc-string cachekey doom-docs--macro-cache))
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(setf (alist-get cachekey doom-docs--macro-cache nil nil 'equal)
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(org-macro-expand element org-macro-templates)))))
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(add-text-properties (match-beginning 0)
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(match-end 0)
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`(display ,value))))
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(remove-text-properties (match-beginning 0)
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(match-end 0)
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'(display))))
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(org-element-cache-refresh (point)))))
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(defvar doom-docs-mode-alist
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'((flyspell-mode . -1)
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(spell-fu-mode . -1)
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(visual-line-mode . -1)
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(mixed-pitch-mode . -1)
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(variable-pitch-mode . -1))
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"An alist of minor modes to activate or deactivate in `doom-docs-mode'.
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The CAR is the minor mode symbol, and CDR should be either +1 or -1,
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depending.")
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(defvar doom-docs--initial-values nil)
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(defvar doom-docs--cookies nil)
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;;;###autoload
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(define-minor-mode doom-docs-mode
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"Hides metadata, tags, & drawers and activates all org-mode prettifications.
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This primes `org-mode' for reading."
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:lighter " Doom Docs"
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:after-hook (org-restart-font-lock)
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(unless (derived-mode-p 'org-mode)
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(user-error "Not an org mode buffer"))
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(org-fold-add-folding-spec
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'doom-doc-hidden '(:visible nil
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:ellipsis nil
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:isearch-ignore t))
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(mapc (lambda (sym)
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(if doom-docs-mode
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(set (make-local-variable sym) t)
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(kill-local-variable sym)))
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'(org-pretty-entities
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org-hide-emphasis-markers
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org-hide-macro-markers))
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(when doom-docs-mode
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(make-local-variable 'doom-docs--initial-values))
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(mapc (lambda! ((face . plist))
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(if doom-docs-mode
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(push (apply #'face-remap-add-relative face plist) doom-docs--cookies)
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(mapc #'face-remap-remove-relative doom-docs--cookies)))
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'((org-document-title :weight bold :height 1.4)
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(org-document-info :weight normal :height 1.15)))
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(mapc (lambda! ((mode . state))
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(if doom-docs-mode
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(if (and (boundp mode) (symbol-value mode))
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(unless (> state 0)
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(setf (alist-get mode doom-docs--initial-values) t)
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(funcall mode -1))
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(unless (< state 0)
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(setf (alist-get mode doom-docs--initial-values) nil)
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(funcall mode +1)))
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(when-let (old-val (assq mode doom-docs--initial-values))
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(funcall mode (if old-val +1 -1)))))
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doom-docs-mode-alist)
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(unless doom-docs-mode
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(kill-local-variable 'doom-docs--initial-values)))
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(add-hook! 'doom-docs-mode-hook
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#'doom-docs--display-menu-h
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#'doom-docs--hide-meta-h
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#'doom-docs--hide-tags-h
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#'doom-docs--hide-drawers-h
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;; #'doom-docs--hide-stars-h
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#'doom-docs--expand-macros-h
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#'doom-docs--hide-src-blocks-h)
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(defun doom-docs--toggle-read-only-h ()
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(doom-docs-mode (if buffer-read-only +1 -1)))
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|
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(defvar doom-docs--id-locations nil)
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(defvar doom-docs--id-files nil)
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(defvar doom-docs--id-location-file (file-name-concat doom-cache-dir "doom-docs-org-ids"))
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;;;###autoload
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(defun doom/reload-docs (&optional force)
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"Reload the ID locations in Doom's documentation and open docs buffers."
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(interactive (list 'interactive))
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|
(with-temp-buffer
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(let ((org-id-locations-file doom-docs--id-location-file)
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(org-id-track-globally t)
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|
org-agenda-files
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|
org-id-extra-files
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|
org-id-files
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|
org-id-locations
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|
org-id-extra-files
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|
(org-inhibit-startup t)
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|
org-mode-hook)
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|
(if force
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|
(org-id-update-id-locations
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|
(doom-files-in (list doom-docs-dir doom-modules-dir)
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|
:match "/[^.].+\\.org$"))
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|
(org-id-locations-load))
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|
(setq doom-docs--id-files org-id-files
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|
doom-docs--id-locations org-id-locations)))
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|
(dolist (buf (doom-buffers-in-mode 'doom-docs-org-mode))
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|
(with-current-buffer buf
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(setq-local org-id-files doom-docs--id-files
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|
org-id-locations doom-docs--id-locations))))
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|
|
|
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;;
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;;; `doom-docs-org-mode'
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|
|
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;;;###autoload
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|
(defun doom-docs-generate-id (&optional force?)
|
|
"Generate an ID for a `doom-docs-org-mode' buffer."
|
|
(let ((org-id-link-to-org-use-id t)
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|
(org-id-method 'uuid)
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|
(org-id-track-globally t)
|
|
(org-id-locations-file doom-docs--id-location-file)
|
|
(org-id-locations doom-docs--id-locations)
|
|
(org-id-files doom-docs--id-files))
|
|
(doom/reload-docs)
|
|
(when-let (fname (buffer-file-name (buffer-base-buffer)))
|
|
(let ((id (org-id-new)))
|
|
(org-id-add-location id fname)
|
|
id))))
|
|
|
|
(defconst doom-docs-org-font-lock-keywords
|
|
'(("^\\( *\\)#\\+begin_quote\n\\1 \\([]\\) "
|
|
2 (pcase (match-string 2)
|
|
("" 'font-lock-comment-face)
|
|
("" 'font-lock-comment-face)
|
|
("" 'error)
|
|
("" 'success)
|
|
("" 'font-lock-keyword-face)
|
|
("" 'font-lock-constant-face)
|
|
("" 'warning))))
|
|
"Extra font-lock keywords for Doom documentation.")
|
|
|
|
;;;###autoload
|
|
(define-derived-mode doom-docs-org-mode org-mode "Doom Docs"
|
|
"A derivative of `org-mode' for Doom's documentation files.
|
|
|
|
Keeps track of its own IDs in `doom-docs-dir' and toggles `doom-docs-mode' when
|
|
`read-only-mode' is activated."
|
|
:after-hook (visual-line-mode -1)
|
|
(font-lock-add-keywords nil doom-docs-org-font-lock-keywords)
|
|
(let ((gc-cons-threshold most-positive-fixnum)
|
|
(gc-cons-percentage 1.0))
|
|
(require 'org-id)
|
|
(require 'ob)
|
|
(setq-local org-id-link-to-org-use-id t
|
|
org-id-method 'uuid
|
|
org-id-track-globally t
|
|
org-id-locations-file doom-docs--id-location-file
|
|
org-id-locations doom-docs--id-locations
|
|
org-id-files doom-docs--id-files
|
|
org-num-max-level 3
|
|
org-footnote-define-inline nil
|
|
org-footnote-auto-label t
|
|
org-footnote-auto-adjust t
|
|
org-footnote-section nil
|
|
wgrep-change-readonly-file t
|
|
org-link-abbrev-alist-local (append org-link-abbrev-alist-local doom-docs-link-alist)
|
|
org-babel-default-header-args
|
|
(append '((:eval . "no") (:tangle . "no"))
|
|
org-babel-default-header-args)
|
|
save-place-ignore-files-regexp ".")
|
|
(unless org-inhibit-startup
|
|
(doom/reload-docs)
|
|
(unless (local-variable-p 'org-startup-with-inline-images)
|
|
(setq org-display-remote-inline-images 'cache)
|
|
(org-display-inline-images))
|
|
(unless (local-variable-p 'org-startup-indented)
|
|
(org-indent-mode +1))
|
|
(unless (local-variable-p 'org-startup-numerated)
|
|
(when (bound-and-true-p org-num-mode)
|
|
(org-num-mode -1))
|
|
(org-num-mode +1))
|
|
(unless (local-variable-p 'org-startup-folded)
|
|
(let ((org-startup-folded 'content)
|
|
org-cycle-hide-drawer-startup)
|
|
(org-set-startup-visibility))))
|
|
(add-hook 'read-only-mode-hook #'doom-docs--toggle-read-only-h nil 'local)))
|
|
|
|
(defun doom-docs-init-glossary-h ()
|
|
"Activates `org-glossary-mode', if it's available."
|
|
(when (require 'org-glossary nil t)
|
|
(setq-local org-glossary-global-terms (doom-glob doom-docs-dir "appendix.org"))
|
|
(org-glossary-mode +1)))
|
|
(add-hook 'doom-docs-org-mode-hook #'doom-docs-init-glossary-h)
|
|
|
|
;;;###autoload
|
|
(defun doom-docs-read-only-h ()
|
|
"Activate `read-only-mode' if the current file exists and is non-empty."
|
|
;; The rationale: if it's empty or non-existant, you want to write an org
|
|
;; file, not read it.
|
|
(let ((file-name (buffer-file-name (buffer-base-buffer))))
|
|
(when (and file-name
|
|
(> (buffer-size) 0)
|
|
(not (string-prefix-p "." (file-name-base file-name)))
|
|
(file-exists-p file-name))
|
|
(read-only-mode +1))))
|
|
|
|
(add-hook 'doom-docs-org-mode-hook #'doom-docs-read-only-h)
|
|
|
|
;;; docs.el ends here
|