Markdown exporter: restructure org-md-link

* lisp/ox-md.el (org-md-link): Restructure slightly to match the code
  structure of other exporters.  For easier later refactor.
This commit is contained in:
Gustav Wikström 2020-01-14 02:52:12 +01:00
parent c1aed9f809
commit 32aa7139fd
1 changed files with 30 additions and 32 deletions

View File

@ -385,20 +385,28 @@ channel."
;;;; Link
(defun org-md-link (link contents info)
(defun org-md-link (link desc info)
"Transcode LINE-BREAK object into Markdown format.
CONTENTS is the link's description. INFO is a plist used as
a communication channel."
(let ((link-org-files-as-md
(lambda (raw-path)
;; Treat links to `file.org' as links to `file.md'.
(if (string= ".org" (downcase (file-name-extension raw-path ".")))
(concat (file-name-sans-extension raw-path) ".md")
raw-path)))
(type (org-element-property :type link)))
DESC is the description part of the link, or the empty string.
INFO is a plist holding contextual information. See
`org-export-data'."
(let* ((link-org-files-as-md
(lambda (raw-path)
;; Treat links to `file.org' as links to `file.md'.
(if (string= ".org" (downcase (file-name-extension raw-path ".")))
(concat (file-name-sans-extension raw-path) ".md")
raw-path)))
(type (org-element-property :type link))
(raw-path (raw-path (org-element-property :path link)))
(path (cond
((member type '("http" "https" "ftp" "mailto"))
(concat type ":" path))
((string= type "file")
(org-export-file-uri (funcall link-org-files-as-md raw-path)))
(t raw-path))))
(cond
;; Link type is handled by a special function.
((org-export-custom-protocol-maybe link contents 'md))
((org-export-custom-protocol-maybe link desc 'md))
((member type '("custom-id" "id" "fuzzy"))
(let ((destination (if (string= type "fuzzy")
(org-export-resolve-fuzzy-link link info)
@ -406,13 +414,13 @@ a communication channel."
(pcase (org-element-type destination)
(`plain-text ; External file.
(let ((path (funcall link-org-files-as-md destination)))
(if (not contents) (format "<%s>" path)
(format "[%s](%s)" contents path))))
(if (not desc) (format "<%s>" path)
(format "[%s](%s)" desc path))))
(`headline
(format
"[%s](#%s)"
;; Description.
(cond ((org-string-nw-p contents))
(cond ((org-string-nw-p desc))
((org-export-numbered-headline-p destination info)
(mapconcat #'number-to-string
(org-export-get-headline-number destination info)
@ -435,10 +443,9 @@ a communication channel."
description
(org-export-get-reference destination info))))))))
((org-export-inline-image-p link org-html-inline-image-rules)
(let ((path (let ((raw-path (org-element-property :path link)))
(cond ((not (equal "file" type)) (concat type ":" raw-path))
((not (file-name-absolute-p raw-path)) raw-path)
(t (expand-file-name raw-path)))))
(let ((path (cond ((not (equal "file" type)) (concat type ":" raw-path))
((not (file-name-absolute-p raw-path)) raw-path)
(t (expand-file-name raw-path))))
(caption (org-export-data
(org-export-get-caption
(org-export-get-parent-element link)) info)))
@ -446,20 +453,11 @@ a communication channel."
(if (not (org-string-nw-p caption)) path
(format "%s \"%s\"" path caption)))))
((string= type "coderef")
(let ((ref (org-element-property :path link)))
(format (org-export-get-coderef-format ref contents)
(org-export-resolve-coderef ref info))))
((equal type "radio") contents)
(t (let* ((raw-path (org-element-property :path link))
(path
(cond
((member type '("http" "https" "ftp" "mailto"))
(concat type ":" raw-path))
((string= type "file")
(org-export-file-uri (funcall link-org-files-as-md raw-path)))
(t raw-path))))
(if (not contents) (format "<%s>" path)
(format "[%s](%s)" contents path)))))))
(format (org-export-get-coderef-format path desc)
(org-export-resolve-coderef path info)))
((equal type "radio") desc)
(t (if (not desc) (format "<%s>" path)
(format "[%s](%s)" desc path))))))
;;;; Node Property