diff options
Diffstat (limited to 'lisp/org/oc-basic.el')
-rw-r--r-- | lisp/org/oc-basic.el | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/lisp/org/oc-basic.el b/lisp/org/oc-basic.el index 7b09db5f8b4..7c83bdc27c0 100644 --- a/lisp/org/oc-basic.el +++ b/lisp/org/oc-basic.el @@ -68,6 +68,7 @@ (require 'bibtex) (require 'json) +(require 'map) (require 'oc) (require 'seq) @@ -704,11 +705,18 @@ Return chosen style as a string." (defun org-cite-basic--key-completion-table () "Return completion table for cite keys, as a hash table. -In this hash table, keys are a strings with author, date, and title of the -reference. Values are the cite key." - (let ((cache-key (mapcar #'car org-cite-basic--bibliography-cache))) - (if (gethash cache-key org-cite-basic--completion-cache) - org-cite-basic--completion-cache + +In this hash table, keys are a strings with author, date, and +title of the reference. Values are the cite keys. + +Return nil if there are no bibliography files or no entries." + ;; Populate bibliography cache. + (let ((entries (org-cite-basic--parse-bibliography))) + (cond + ((null entries) nil) ;no bibliography files + ((gethash entries org-cite-basic--completion-cache) + org-cite-basic--completion-cache) + (t (clrhash org-cite-basic--completion-cache) (dolist (key (org-cite-basic--all-keys)) (let ((completion @@ -725,14 +733,16 @@ reference. Values are the cite key." org-cite-basic-column-separator (org-cite-basic--get-field 'title key nil t)))) (puthash completion key org-cite-basic--completion-cache))) - (puthash cache-key t org-cite-basic--completion-cache) - org-cite-basic--completion-cache))) + (unless (map-empty-p org-cite-basic--completion-cache) ;no key + (puthash entries t org-cite-basic--completion-cache) + org-cite-basic--completion-cache))))) (defun org-cite-basic--complete-key (&optional multiple) "Prompt for a reference key and return a citation reference string. -When optional argument MULTIPLE is non-nil, prompt for multiple keys, until one -of them is nil. Then return the list of reference strings selected. +When optional argument MULTIPLE is non-nil, prompt for multiple +keys, until one of them is nil. Then return the list of +reference strings selected. Raise an error when no bibliography is set in the buffer." (let* ((table @@ -748,9 +758,9 @@ Raise an error when no bibliography is set in the buffer." (build-prompt (lambda () (if keys - (format "Key (\"\" to exit) %s: " + (format "Key (empty input exits) %s: " (mapconcat #'identity (reverse keys) ";")) - "Key (\"\" to exit): ")))) + "Key (empty input exits): ")))) (let ((key (funcall prompt (funcall build-prompt)))) (while (org-string-nw-p key) (push (gethash key table) keys) |