oc-csl.el: Add support for nocite citations
* lisp/oc-csl.el (org-cite-csl--rendered-citations): Collect nocite style citations in a separate list as required by the citeproc-el API. Set the output of all nocite citations to the empty string. (org-cite-csl--nocite-p): New helper predicate for checking whether a citation is a nocite.
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etc/ORG-NEWS
11
etc/ORG-NEWS
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@ -239,7 +239,18 @@ This behaviour can be changed by supplying a =:align= parameter.
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The tabbing environment can be useful when generating simple tables which
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can be span multiple pages and when table cells are allowed to overflow.
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*** Support for =nocite= citations in the "csl" export processor
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The "csl" citation export processor now supports =nocite= style
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citations that add items to the printed bibliography without visible
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references in the text. Using the key =*= in a nocite citation, for
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instance,
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#+begin_src org
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[cite/n:@*]
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#+end_src
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includes all available items in the printed bibliography.
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** New functions and changes in function arguments
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*** New function ~org-element-cache-map~ for quick mapping across Org elements
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@ -59,9 +59,13 @@
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;; - author (a), including bare (b), caps (c), bare-caps (bc), full (f),
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;; caps-full (cf), and bare-caps-full (bcf) variants,
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;; - noauthor (na), including bare (b), caps (c) and bare-caps (bc) variants,
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;; - nocite (n),
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;; - year (y), including a bare (b) variant,
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;; - text (t). including caps (c), full (f), and caps-full (cf) variants,
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;; - default style, including bare (b), caps (c) and bare-caps (bc) variants.
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;;
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;; Using "*" as a key in a nocite citation includes all available items in
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;; the printed bibliography.
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;; CSL styles recognize "locator" in citation references' suffix. For example,
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;; in the citation
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@ -103,6 +107,7 @@
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(declare-function citeproc-create "ext:citeproc")
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(declare-function citeproc-citation-create "ext:citeproc")
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(declare-function citeproc-append-citations "ext:citeproc")
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(declare-function citeproc-add-uncited "ext:citeproc")
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(declare-function citeproc-render-citations "ext:citeproc")
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(declare-function citeproc-render-bib "ext:citeproc")
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(declare-function citeproc-hash-itemgetter-from-any "ext:citeproc")
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@ -296,6 +301,12 @@ INFO is the export state, as a property list."
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(citeproc-proc-style
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(org-cite-csl--processor info))))
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(defun org-cite-csl--nocite-p (citation info)
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"Non-nil when CITATION object's style is nocite.
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INFO is the export state, as a property list."
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(member (car (org-cite-citation-style citation info))
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'("nocite" "n")))
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(defun org-cite-csl--create-structure-params (citation info)
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"Return citeproc structure creation params for CITATION object.
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STYLE is the citation style, as a string or nil. INFO is the export state, as
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@ -535,20 +546,31 @@ INFO is the export state, as a property list.
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Return an alist (CITATION . OUTPUT) where CITATION object has been rendered as
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OUTPUT using Citeproc."
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(or (plist-get info :cite-citeproc-rendered-citations)
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(let* ((citations (org-cite-list-citations info))
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(processor (org-cite-csl--processor info))
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(structures
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(mapcar (lambda (c) (org-cite-csl--create-structure c info))
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citations)))
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(citeproc-append-citations structures processor)
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(let* ((rendered
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(citeproc-render-citations
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processor
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(org-cite-csl--output-format info)
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(org-cite-csl--no-citelinks-p info)))
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(result (seq-mapn #'cons citations rendered)))
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(plist-put info :cite-citeproc-rendered-citations result)
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result))))
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(let ((citations (org-cite-list-citations info))
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(processor (org-cite-csl--processor info))
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normal-citations nocite-ids)
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(dolist (citation citations)
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(if (org-cite-csl--nocite-p citation info)
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(setq nocite-ids (append (org-cite-get-references citation t) nocite-ids))
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(push citation normal-citations)))
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(let ((structures
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(mapcar (lambda (c) (org-cite-csl--create-structure c info))
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(nreverse normal-citations))))
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(citeproc-append-citations structures processor))
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(when nocite-ids
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(citeproc-add-uncited nocite-ids processor))
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(let (result
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(rendered (citeproc-render-citations
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processor
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(org-cite-csl--output-format info)
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(org-cite-csl--no-citelinks-p info))))
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(dolist (citation citations)
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(push (cons citation
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(if (org-cite-csl--nocite-p citation info) "" (pop rendered)))
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result))
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(setq result (nreverse result))
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(plist-put info :cite-citeproc-rendered-citations result)
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result))))
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;;; Export capability
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@ -638,7 +660,8 @@ property list."
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(("noauthor" "na") ("bare" "b") ("caps" "c") ("bare-caps" "bc"))
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(("year" "y") ("bare" "b"))
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(("text" "t") ("caps" "c") ("full" "f") ("caps-full" "cf"))
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(("nil") ("bare" "b") ("caps" "c") ("bare-caps" "bc"))))
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(("nil") ("bare" "b") ("caps" "c") ("bare-caps" "bc"))
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(("nocite" "n"))))
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(provide 'oc-csl)
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;;; oc-csl.el ends here
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