forked from mirrors/org-mode
org-export: Allow to retrieve all previous/next exportable objects
* contrib/lisp/org-export.el (org-export-get-previous-element, org-export-get-next-element): Allow to retrieve all previous/next exportable objects by specifying a non-nil, non positive integer argument. * testing/lisp/test-org-export.el: Add tests.
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@ -4636,8 +4636,8 @@ object, a string, or nil.
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When optional argument N is a positive integer, return a list
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containing up to N siblings before BLOB, from closest to
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farthest."
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(when (and n (not (wholenump n))) (setq n nil))
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farthest. With any other non-nil value, return a list containing
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all of them."
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(let ((siblings
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;; An object can belong to the contents of its parent or
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;; to a secondary string. We check the latter option
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@ -4657,6 +4657,7 @@ farthest."
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(mapc (lambda (obj)
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(cond ((memq obj (plist-get info :ignore-list)))
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((null n) (throw 'exit obj))
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((not (wholenump n)) (push obj prev))
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((zerop n) (throw 'exit (nreverse prev)))
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(t (decf n) (push obj prev))))
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(cdr (memq blob (reverse siblings))))
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@ -4670,9 +4671,9 @@ a communication channel. Return next exportable element or
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object, a string, or nil.
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When optional argument N is a positive integer, return a list
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containing up to N siblings after BLOB, from closest to
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farthest."
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(when (and n (not (wholenump n))) (setq n nil))
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containing up to N siblings after BLOB, from closest to farthest.
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With any other non-nil value, return a list containing all of
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them."
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(let ((siblings
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;; An object can belong to the contents of its parent or to
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;; a secondary string. We check the latter option first.
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@ -4691,6 +4692,7 @@ farthest."
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(mapc (lambda (obj)
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(cond ((memq obj (plist-get info :ignore-list)))
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((null n) (throw 'exit obj))
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((not (wholenump n)) (push obj next))
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((zerop n) (throw 'exit (nreverse next)))
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(t (decf n) (push obj next))))
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siblings)
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@ -2212,12 +2212,21 @@ Another text. (ref:text)
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(org-element-type
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(org-export-get-next-element
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(org-element-map tree 'plain-text 'identity info t nil t) info)))))
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;; With optional argument N, return a list containing up to
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;; With optional argument N, return a list containing all the
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;; following elements.
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(should
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(equal
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'(bold code underline)
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(org-test-with-parsed-data "_a_ /b/ *c* ~d~ _e_"
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(mapcar 'car
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(org-export-get-next-element
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(org-element-map tree 'italic 'identity info t) info t)))))
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;; When N is a positive integer, return a list containing up to
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;; N following elements.
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(should
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(equal
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'(bold code)
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(org-test-with-parsed-data "_a_ /b/ *c* ~d~"
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(org-test-with-parsed-data "_a_ /b/ *c* ~d~ _e_"
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(mapcar 'car
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(org-export-get-next-element
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(org-element-map tree 'italic 'identity info t) info 2))))))
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@ -2265,6 +2274,14 @@ Another text. (ref:text)
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(org-element-map tree 'plain-text 'identity info t nil t) info)))))
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;; With optional argument N, return a list containing up to
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;; N previous elements.
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(should
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(equal '(bold italic underline)
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(org-test-with-parsed-data "_a_ /b/ *c* ~d~"
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(mapcar 'car
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(org-export-get-previous-element
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(org-element-map tree 'code 'identity info t) info t)))))
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;; When N is a positive integer, return a list containing up to
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;; N previous elements.
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(should
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(equal '(bold italic)
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(org-test-with-parsed-data "_a_ /b/ *c* ~d~"
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