mirror of
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0adf561883
* lisp/progmodes/ruby-mode.el (ruby-backward-sexp): * lisp/progmodes/ebrowse.el (ebrowse-draw-file-member-info): * lisp/play/gamegrid.el (gamegrid-make-face): * lisp/play/bubbles.el (bubbles--grid-width, bubbles--grid-height) (bubbles--colors, bubbles--shift-mode, bubbles--initialize-images): * lisp/notifications.el (notifications-notify): * lisp/net/xesam.el (xesam-search-engines): * lisp/net/quickurl.el (quickurl-list-insert): * lisp/vc/vc-hg.el (vc-hg-dir-printer): Fix use of case. * lisp/gnus/auth-source.el (auth-source-netrc-create): * lisp/gnus/message.el (message-yank-original): Fix use of `case'. * lisp/org/org-src.el (org-src-switch-to-buffer): * lisp/org/org-plot.el (org-plot/gnuplot-script, org-plot/gnuplot): * lisp/org/org-mouse.el (org-mouse-agenda-type): * lisp/org/org-freemind.el (org-freemind-node-to-org): * lisp/org/ob-sql.el (org-babel-execute:sql): * lisp/org/ob-exp.el (org-babel-exp-do-export, org-babel-exp-code): * lisp/org/ob-ref.el (org-babel-ref-resolve): Fix use of case.
328 lines
12 KiB
EmacsLisp
328 lines
12 KiB
EmacsLisp
;;; ob-exp.el --- Exportation of org-babel source blocks
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;; Copyright (C) 2009-2011 Free Software Foundation, Inc.
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;; Author: Eric Schulte, Dan Davison
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;; Keywords: literate programming, reproducible research
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;; Homepage: http://orgmode.org
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;; Version: 7.4
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; See the online documentation for more information
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;;
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;; http://orgmode.org/worg/org-contrib/babel/
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;;; Code:
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(require 'ob)
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(require 'org-exp-blocks)
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(eval-when-compile
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(require 'cl))
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(defvar obe-marker nil)
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(defvar org-current-export-file)
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(defvar org-babel-lob-one-liner-regexp)
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(defvar org-babel-ref-split-regexp)
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(declare-function org-babel-lob-get-info "ob-lob" ())
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(declare-function org-babel-eval-wipe-error-buffer "ob-eval" ())
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(add-to-list 'org-export-interblocks '(src org-babel-exp-inline-src-blocks))
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(add-to-list 'org-export-interblocks '(lob org-babel-exp-lob-one-liners))
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(add-hook 'org-export-blocks-postblock-hook 'org-exp-res/src-name-cleanup)
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(org-export-blocks-add-block '(src org-babel-exp-src-blocks nil))
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(defcustom org-export-babel-evaluate t
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"Switch controlling code evaluation during export.
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When set to nil no code will be evaluated as part of the export
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process."
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:group 'org-babel
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:type 'boolean)
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(put 'org-export-babel-evaluate 'safe-local-variable (lambda (x) (eq x nil)))
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(defvar org-babel-function-def-export-keyword "function"
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"The keyword to substitute for the source name line on export.
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When exporting a source block function, this keyword will
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appear in the exported version in the place of source name
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line. A source block is considered to be a source block function
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if the source name is present and is followed by a parenthesized
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argument list. The parentheses may be empty or contain
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whitespace. An example is the following which generates n random
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\(uniform) numbers.
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#+source: rand(n)
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#+begin_src R
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runif(n)
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#+end_src")
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(defvar org-babel-function-def-export-indent 4
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"Number of characters to indent a source block on export.
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When exporting a source block function, the block contents will
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be indented by this many characters. See
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`org-babel-function-def-export-name' for the definition of a
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source block function.")
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(defmacro org-babel-exp-in-export-file (&rest body)
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`(let* ((lang-headers (intern (concat "org-babel-default-header-args:" lang)))
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(heading (nth 4 (ignore-errors (org-heading-components))))
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(link (when org-current-export-file
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(org-make-link-string
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(if heading
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(concat org-current-export-file "::" heading)
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org-current-export-file))))
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(export-buffer (current-buffer)) results)
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(when link
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;; resolve parameters in the original file so that
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;; headline and file-wide parameters are included, attempt
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;; to go to the same heading in the original file
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(set-buffer (get-file-buffer org-current-export-file))
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(save-restriction
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(condition-case nil
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(org-open-link-from-string link)
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(error (when heading
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(goto-char (point-min))
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(re-search-forward (regexp-quote heading) nil t))))
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(setq results ,@body))
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(set-buffer export-buffer)
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results)))
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(defun org-babel-exp-src-blocks (body &rest headers)
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"Process source block for export.
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Depending on the 'export' headers argument in replace the source
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code block with...
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both ---- display the code and the results
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code ---- the default, display the code inside the block but do
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not process
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results - just like none only the block is run on export ensuring
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that it's results are present in the org-mode buffer
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none ----- do not display either code or results upon export"
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(interactive)
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(message "org-babel-exp processing...")
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(save-excursion
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(goto-char (match-beginning 0))
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(let* ((info (org-babel-get-src-block-info 'light))
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(lang (nth 0 info))
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(raw-params (nth 2 info)))
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;; bail if we couldn't get any info from the block
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(when info
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(org-babel-exp-in-export-file
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(setf (nth 2 info)
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(org-babel-merge-params
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org-babel-default-header-args
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(org-babel-params-from-buffer)
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(org-babel-params-from-properties lang)
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(if (boundp lang-headers) (eval lang-headers) nil)
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raw-params)))
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;; expand noweb references in the original file
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(setf (nth 1 info)
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(if (and (cdr (assoc :noweb (nth 2 info)))
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(string= "yes" (cdr (assoc :noweb (nth 2 info)))))
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(org-babel-expand-noweb-references
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info (get-file-buffer org-current-export-file))
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(nth 1 info)))
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(org-babel-exp-do-export info 'block)))))
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(defun org-babel-exp-inline-src-blocks (start end)
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"Process inline source blocks between START and END for export.
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See `org-babel-exp-src-blocks' for export options, currently the
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options and are taken from `org-babel-default-inline-header-args'."
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(interactive)
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(save-excursion
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(goto-char start)
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(while (and (< (point) end)
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(re-search-forward org-babel-inline-src-block-regexp end t))
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(let* ((info (save-match-data (org-babel-parse-inline-src-block-match)))
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(params (nth 2 info))
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(replacement
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(save-match-data
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(if (org-babel-in-example-or-verbatim)
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(buffer-substring (match-beginning 0) (match-end 0))
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;; expand noweb references in the original file
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(setf (nth 1 info)
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(if (and (cdr (assoc :noweb params))
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(string= "yes" (cdr (assoc :noweb params))))
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(org-babel-expand-noweb-references
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info (get-file-buffer org-current-export-file))
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(nth 1 info)))
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(org-babel-exp-do-export info 'inline)))))
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(setq end (+ end (- (length replacement) (length (match-string 1)))))
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(replace-match replacement t t nil 1)))))
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(defun org-exp-res/src-name-cleanup ()
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"Clean up #+results and #+srcname lines for export.
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This function should only be called after all block processing
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has taken place."
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(interactive)
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(save-excursion
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(goto-char (point-min))
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(while (org-re-search-forward-unprotected
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(concat
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"\\("org-babel-src-name-regexp"\\|"org-babel-result-regexp"\\)")
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nil t)
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(delete-region
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(progn (beginning-of-line) (point))
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(progn (end-of-line) (+ 1 (point)))))))
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(defun org-babel-in-example-or-verbatim ()
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"Return true if point is in example or verbatim code.
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Example and verbatim code include escaped portions of
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an org-mode buffer code that should be treated as normal
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org-mode text."
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(or (org-in-indented-comment-line)
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(save-excursion
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(save-match-data
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(goto-char (point-at-bol))
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(looking-at "[ \t]*:[ \t]")))
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(org-in-regexps-block-p "^[ \t]*#\\+begin_src" "^[ \t]*#\\+end_src")))
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(defun org-babel-exp-lob-one-liners (start end)
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"Process Library of Babel calls between START and END for export.
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See `org-babel-exp-src-blocks' for export options. Currently the
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options are taken from `org-babel-default-header-args'."
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(interactive)
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(let (replacement)
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(save-excursion
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(goto-char start)
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(while (and (< (point) end)
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(re-search-forward org-babel-lob-one-liner-regexp nil t))
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(setq replacement
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(let ((lob-info (org-babel-lob-get-info)))
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(save-match-data
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(org-babel-exp-do-export
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(list "emacs-lisp" "results"
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(org-babel-merge-params
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org-babel-default-header-args
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(org-babel-params-from-buffer)
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(org-babel-params-from-properties)
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(org-babel-parse-header-arguments
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(org-babel-clean-text-properties
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(concat ":var results="
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(mapconcat #'identity
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(butlast lob-info) " ")))))
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(car (last lob-info)))
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'lob))))
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(setq end (+ end (- (length replacement) (length (match-string 0)))))
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(replace-match replacement t t)))))
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(defun org-babel-exp-do-export (info type)
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"Return a string with the exported content of a code block.
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The function respects the value of the :exports header argument."
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(flet ((silently () (let ((session (cdr (assoc :session (nth 2 info)))))
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(when (and session
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(not (equal "none" session)))
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(org-babel-exp-results info type 'silent))))
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(clean () (org-babel-remove-result info)))
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(case (intern (or (cdr (assoc :exports (nth 2 info))) "code"))
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(none (silently) (clean) "")
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(code (silently) (clean) (org-babel-exp-code info type))
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(results (org-babel-exp-results info type))
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(both (concat (org-babel-exp-code info type)
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"\n\n"
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(org-babel-exp-results info type))))))
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(defvar backend)
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(defun org-babel-exp-code (info type)
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"Prepare and return code in the current code block for export.
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Code is prepared in a manner suitable for export by
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org-mode. This function is called by `org-babel-exp-do-export'.
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The code block is not evaluated."
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(let ((lang (nth 0 info))
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(body (nth 1 info))
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(switches (nth 3 info))
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(name (nth 4 info))
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(args (mapcar #'cdr (org-babel-get-header (nth 2 info) :var))))
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(case type
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(inline (format "=%s=" body))
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(block
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(let ((str
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(format "#+BEGIN_SRC %s %s\n%s%s#+END_SRC\n" lang switches body
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(if (and body (string-match "\n$" body))
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"" "\n"))))
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(when name
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(add-text-properties
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0 (length str)
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(list 'org-caption
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(format "%s(%s)"
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name
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(mapconcat #'identity args ", ")))
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str))
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str))
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(lob
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(let ((call-line (and (string-match "results=" (car args))
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(substring (car args) (match-end 0)))))
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(cond
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((eq backend 'html)
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(format "\n#+HTML: <label class=\"org-src-name\">%s</label>\n"
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call-line))
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((format ": %s\n" call-line))))))))
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(defun org-babel-exp-results (info type &optional silent)
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"Evaluate and return the results of the current code block for export.
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Results are prepared in a manner suitable for export by org-mode.
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This function is called by `org-babel-exp-do-export'. The code
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block will be evaluated. Optional argument SILENT can be used to
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inhibit insertion of results into the buffer."
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(or
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(when org-export-babel-evaluate
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(let ((lang (nth 0 info))
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(body (nth 1 info)))
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(setf (nth 2 info) (org-babel-exp-in-export-file
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(org-babel-process-params (nth 2 info))))
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;; skip code blocks which we can't evaluate
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(when (fboundp (intern (concat "org-babel-execute:" lang)))
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(org-babel-eval-wipe-error-buffer)
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(if (equal type 'inline)
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(let ((raw (org-babel-execute-src-block
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nil info '((:results . "silent"))))
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(result-params (split-string
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(cdr (assoc :results (nth 2 info))))))
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(unless silent
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(cond ;; respect the value of the :results header argument
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((member "file" result-params)
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(org-babel-result-to-file raw))
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((or (member "raw" result-params)
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(member "org" result-params))
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(format "%s" raw))
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((member "code" result-params)
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(format "src_%s{%s}" lang raw))
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(t
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(if (stringp raw)
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(if (= 0 (length raw)) "=(no results)="
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(format "%s" raw))
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(format "%S" raw))))))
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(prog1 nil
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(setf (nth 2 info)
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(org-babel-merge-params
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(nth 2 info)
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`((:results . ,(if silent "silent" "replace")))))
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(cond
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((equal type 'block) (org-babel-execute-src-block nil info))
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((equal type 'lob)
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(save-excursion
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(re-search-backward org-babel-lob-one-liner-regexp nil t)
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(org-babel-execute-src-block nil info)))))))))
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""))
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(provide 'ob-exp)
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;;; ob-exp.el ends here
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