diff options
Diffstat (limited to 'lisp/ob.el')
| -rw-r--r-- | lisp/ob.el | 2587 |
1 files changed, 12 insertions, 2575 deletions
@@ -1,9 +1,8 @@ ;;; ob.el --- working with code blocks in org-mode -;; Copyright (C) 2009-2012 Free Software Foundation, Inc. +;; Copyright (C) 2009-2013 Free Software Foundation, Inc. ;; Authors: Eric Schulte -;; Dan Davison ;; Keywords: literate programming, reproducible research ;; Homepage: http://orgmode.org @@ -23,2582 +22,20 @@ ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. ;;; Code: -(eval-when-compile - (require 'cl)) (require 'ob-eval) -(require 'org-macs) -(require 'org-compat) - -(defconst org-babel-exeext - (if (memq system-type '(windows-nt cygwin)) - ".exe" - nil)) -(defvar org-babel-call-process-region-original) -(defvar org-src-lang-modes) -(defvar org-babel-library-of-babel) -(declare-function show-all "outline" ()) -(declare-function org-reduce "org" (CL-FUNC CL-SEQ &rest CL-KEYS)) -(declare-function org-mark-ring-push "org" (&optional pos buffer)) -(declare-function org-strip-protective-commas "org" (beg end)) -(declare-function tramp-compat-make-temp-file "tramp-compat" - (filename &optional dir-flag)) -(declare-function tramp-dissect-file-name "tramp" (name &optional nodefault)) -(declare-function tramp-file-name-user "tramp" (vec)) -(declare-function tramp-file-name-host "tramp" (vec)) -(declare-function with-parsed-tramp-file-name "tramp" (filename var &rest body)) -(declare-function org-icompleting-read "org" (&rest args)) -(declare-function org-edit-src-code "org-src" - (&optional context code edit-buffer-name quietp)) -(declare-function org-edit-src-exit "org-src" (&optional context)) -(declare-function org-open-at-point "org" (&optional in-emacs reference-buffer)) -(declare-function org-save-outline-visibility "org-macs" (use-markers &rest body)) -(declare-function org-outline-overlay-data "org" (&optional use-markers)) -(declare-function org-set-outline-overlay-data "org" (data)) -(declare-function org-narrow-to-subtree "org" ()) -(declare-function org-entry-get "org" - (pom property &optional inherit literal-nil)) -(declare-function org-make-options-regexp "org" (kwds &optional extra)) -(declare-function org-do-remove-indentation "org" (&optional n)) -(declare-function org-show-context "org" (&optional key)) -(declare-function org-at-table-p "org" (&optional table-type)) -(declare-function org-cycle "org" (&optional arg)) -(declare-function org-uniquify "org" (list)) -(declare-function org-current-level "org" ()) -(declare-function org-strip-protective-commas "org" (beg end)) -(declare-function org-table-import "org-table" (file arg)) -(declare-function org-add-hook "org-compat" - (hook function &optional append local)) -(declare-function org-table-align "org-table" ()) -(declare-function org-table-end "org-table" (&optional table-type)) -(declare-function orgtbl-to-generic "org-table" (table params)) -(declare-function orgtbl-to-orgtbl "org-table" (table params)) -(declare-function org-babel-tangle-comment-links "ob-tangle" (&optional info)) -(declare-function org-babel-lob-get-info "ob-lob" nil) -(declare-function org-babel-ref-split-args "ob-ref" (arg-string)) -(declare-function org-babel-ref-parse "ob-ref" (assignment)) -(declare-function org-babel-ref-resolve "ob-ref" (ref)) -(declare-function org-babel-ref-goto-headline-id "ob-ref" (id)) -(declare-function org-babel-ref-headline-body "ob-ref" ()) -(declare-function org-babel-lob-execute-maybe "ob-lob" ()) -(declare-function org-number-sequence "org-compat" (from &optional to inc)) -(declare-function org-at-item-p "org-list" ()) -(declare-function org-list-parse-list "org-list" (&optional delete)) -(declare-function org-list-to-generic "org-list" (LIST PARAMS)) -(declare-function org-list-struct "org-list" ()) -(declare-function org-list-prevs-alist "org-list" (struct)) -(declare-function org-list-get-list-end "org-list" (item struct prevs)) -(declare-function org-strip-protective-commas "org" (beg end)) -(declare-function org-remove-if "org" (predicate seq)) -(declare-function org-completing-read "org" (&rest args)) -(declare-function org-add-protective-commas "org-src" (beg end)) - -(defgroup org-babel nil - "Code block evaluation and management in `org-mode' documents." - :tag "Babel" - :group 'org) - -(defcustom org-confirm-babel-evaluate t - "Confirm before evaluation. -Require confirmation before interactively evaluating code -blocks in Org-mode buffers. The default value of this variable -is t, meaning confirmation is required for any code block -evaluation. This variable can be set to nil to inhibit any -future confirmation requests. This variable can also be set to a -function which takes two arguments the language of the code block -and the body of the code block. Such a function should then -return a non-nil value if the user should be prompted for -execution or nil if no prompt is required. - -Warning: Disabling confirmation may result in accidental -evaluation of potentially harmful code. It may be advisable -remove code block execution from C-c C-c as further protection -against accidental code block evaluation. The -`org-babel-no-eval-on-ctrl-c-ctrl-c' variable can be used to -remove code block execution from the C-c C-c keybinding." - :group 'org-babel - :version "24.1" - :type '(choice boolean function)) -;; don't allow this variable to be changed through file settings -(put 'org-confirm-babel-evaluate 'safe-local-variable (lambda (x) (eq x t))) - -(defcustom org-babel-no-eval-on-ctrl-c-ctrl-c nil - "Remove code block evaluation from the C-c C-c key binding." - :group 'org-babel - :version "24.1" - :type 'boolean) - -(defcustom org-babel-results-keyword "RESULTS" - "Keyword used to name results generated by code blocks. -Should be either RESULTS or NAME however any capitalization may -be used." - :group 'org-babel - :type 'string) - -(defcustom org-babel-noweb-wrap-start "<<" - "String used to begin a noweb reference in a code block. -See also `org-babel-noweb-wrap-end'." - :group 'org-babel - :type 'string) - -(defcustom org-babel-noweb-wrap-end ">>" - "String used to end a noweb reference in a code block. -See also `org-babel-noweb-wrap-start'." - :group 'org-babel - :type 'string) - -(defun org-babel-noweb-wrap (&optional regexp) - (concat org-babel-noweb-wrap-start - (or regexp "\\([^ \t\n].+?[^ \t]\\|[^ \t\n]\\)") - org-babel-noweb-wrap-end)) - -(defvar org-babel-src-name-regexp - "^[ \t]*#\\+name:[ \t]*" - "Regular expression used to match a source name line.") - -(defvar org-babel-multi-line-header-regexp - "^[ \t]*#\\+headers?:[ \t]*\\([^\n]*\\)$" - "Regular expression used to match multi-line header arguments.") - -(defvar org-babel-src-name-w-name-regexp - (concat org-babel-src-name-regexp - "\\(" - org-babel-multi-line-header-regexp - "\\)*" - "\\([^ ()\f\t\n\r\v]+\\)\\(\(\\(.*\\)\)\\|\\)") - "Regular expression matching source name lines with a name.") - -(defvar org-babel-src-block-regexp - (concat - ;; (1) indentation (2) lang - "^\\([ \t]*\\)#\\+begin_src[ \t]+\\([^ \f\t\n\r\v]+\\)[ \t]*" - ;; (3) switches - "\\([^\":\n]*\"[^\"\n*]*\"[^\":\n]*\\|[^\":\n]*\\)" - ;; (4) header arguments - "\\([^\n]*\\)\n" - ;; (5) body - "\\([^\000]*?\n\\)?[ \t]*#\\+end_src") - "Regexp used to identify code blocks.") - -(defvar org-babel-inline-src-block-regexp - (concat - ;; (1) replacement target (2) lang - "\\(?:^\\|[^-[:alnum:]]\\)\\(src_\\([^ \f\t\n\r\v]+\\)" - ;; (3,4) (unused, headers) - "\\(\\|\\[\\(.*?\\)\\]\\)" - ;; (5) body - "{\\([^\f\n\r\v]+?\\)}\\)") - "Regexp used to identify inline src-blocks.") - -(defun org-babel-get-header (params key &optional others) - "Select only header argument of type KEY from a list. -Optional argument OTHERS indicates that only the header that do -not match KEY should be returned." - (delq nil - (mapcar - (lambda (p) (when (funcall (if others #'not #'identity) (eq (car p) key)) p)) - params))) - -(defun org-babel-get-inline-src-block-matches() - "Set match data if within body of an inline source block. -Returns non-nil if match-data set" - (let ((src-at-0-p (save-excursion - (beginning-of-line 1) - (string= "src" (thing-at-point 'word)))) - (first-line-p (= 1 (line-number-at-pos))) - (orig (point))) - (let ((search-for (cond ((and src-at-0-p first-line-p "src_")) - (first-line-p "[[:punct:] \t]src_") - (t "[[:punct:] \f\t\n\r\v]src_"))) - (lower-limit (if first-line-p - nil - (- (point-at-bol) 1)))) - (save-excursion - (when (or (and src-at-0-p (bobp)) - (and (re-search-forward "}" (point-at-eol) t) - (re-search-backward search-for lower-limit t) - (> orig (point)))) - (when (looking-at org-babel-inline-src-block-regexp) - t )))))) - -(defvar org-babel-inline-lob-one-liner-regexp) -(defun org-babel-get-lob-one-liner-matches() - "Set match data if on line of an lob one liner. -Returns non-nil if match-data set" - (save-excursion - (unless (= (point) (point-at-bol)) ;; move before inline block - (re-search-backward "[ \f\t\n\r\v]" nil t)) - (if (looking-at org-babel-inline-lob-one-liner-regexp) - t - nil))) - -(defun org-babel-get-src-block-info (&optional light) - "Get information on the current source block. - -Optional argument LIGHT does not resolve remote variable -references; a process which could likely result in the execution -of other code blocks. - -Returns a list - (language body header-arguments-alist switches name indent)." - (let ((case-fold-search t) head info name indent) - ;; full code block - (if (setq head (org-babel-where-is-src-block-head)) - (save-excursion - (goto-char head) - (setq info (org-babel-parse-src-block-match)) - (setq indent (car (last info))) - (setq info (butlast info)) - (while (and (forward-line -1) - (looking-at org-babel-multi-line-header-regexp)) - (setf (nth 2 info) - (org-babel-merge-params - (nth 2 info) - (org-babel-parse-header-arguments (match-string 1))))) - (when (looking-at org-babel-src-name-w-name-regexp) - (setq name (org-no-properties (match-string 3))) - (when (and (match-string 5) (> (length (match-string 5)) 0)) - (setf (nth 2 info) ;; merge functional-syntax vars and header-args - (org-babel-merge-params - (mapcar - (lambda (ref) (cons :var ref)) - (mapcar - (lambda (var) ;; check that each variable is initialized - (if (string-match ".+=.+" var) - var - (error - "variable \"%s\"%s must be assigned a default value" - var (if name (format " in block \"%s\"" name) "")))) - (org-babel-ref-split-args (match-string 5)))) - (nth 2 info)))))) - ;; inline source block - (when (org-babel-get-inline-src-block-matches) - (setq info (org-babel-parse-inline-src-block-match)))) - ;; resolve variable references and add summary parameters - (when (and info (not light)) - (setf (nth 2 info) (org-babel-process-params (nth 2 info)))) - (when info (append info (list name indent))))) - -(defvar org-current-export-file) ; dynamically bound -(defun org-babel-confirm-evaluate (info) - "Confirm evaluation of the code block INFO. -This behavior can be suppressed by setting the value of -`org-confirm-babel-evaluate' to nil, in which case all future -interactive code block evaluations will proceed without any -confirmation from the user. - -Note disabling confirmation may result in accidental evaluation -of potentially harmful code." - (let* ((eval (or (cdr (assoc :eval (nth 2 info))) - (when (assoc :noeval (nth 2 info)) "no"))) - (query (cond ((equal eval "query") t) - ((and (boundp 'org-current-export-file) - org-current-export-file - (equal eval "query-export")) t) - ((functionp org-confirm-babel-evaluate) - (funcall org-confirm-babel-evaluate - (nth 0 info) (nth 1 info))) - (t org-confirm-babel-evaluate)))) - (if (or (equal eval "never") (equal eval "no") - (and (boundp 'org-current-export-file) - org-current-export-file - (or (equal eval "no-export") - (equal eval "never-export"))) - (and query - (not (yes-or-no-p - (format "Evaluate this%scode block%son your system? " - (if info (format " %s " (nth 0 info)) " ") - (if (nth 4 info) - (format " (%s) " (nth 4 info)) " ")))))) - (prog1 nil (message "Evaluation %s" - (if (or (equal eval "never") (equal eval "no") - (equal eval "no-export") - (equal eval "never-export")) - "Disabled" "Aborted"))) - t))) - -;;;###autoload -(defun org-babel-execute-safely-maybe () - (unless org-babel-no-eval-on-ctrl-c-ctrl-c - (org-babel-execute-maybe))) - -(add-hook 'org-ctrl-c-ctrl-c-hook 'org-babel-execute-safely-maybe) - -;;;###autoload -(defun org-babel-execute-maybe () - (interactive) - (or (org-babel-execute-src-block-maybe) - (org-babel-lob-execute-maybe))) - -(defun org-babel-execute-src-block-maybe () - "Conditionally execute a source block. -Detect if this is context for a Babel src-block and if so -then run `org-babel-execute-src-block'." - (interactive) - (let ((info (org-babel-get-src-block-info))) - (if info - (progn (org-babel-eval-wipe-error-buffer) - (org-babel-execute-src-block current-prefix-arg info) t) nil))) - -;;;###autoload -(defun org-babel-view-src-block-info () - "Display information on the current source block. -This includes header arguments, language and name, and is largely -a window into the `org-babel-get-src-block-info' function." - (interactive) - (let ((info (org-babel-get-src-block-info 'light)) - (full (lambda (it) (> (length it) 0))) - (printf (lambda (fmt &rest args) (princ (apply #'format fmt args))))) - (when info - (with-help-window (help-buffer) - (let ((name (nth 4 info)) - (lang (nth 0 info)) - (switches (nth 3 info)) - (header-args (nth 2 info))) - (when name (funcall printf "Name: %s\n" name)) - (when lang (funcall printf "Lang: %s\n" lang)) - (when (funcall full switches) (funcall printf "Switches: %s\n" switches)) - (funcall printf "Header Arguments:\n") - (dolist (pair (sort header-args - (lambda (a b) (string< (symbol-name (car a)) - (symbol-name (car b)))))) - (when (funcall full (cdr pair)) - (funcall printf "\t%S%s\t%s\n" - (car pair) - (if (> (length (format "%S" (car pair))) 7) "" "\t") - (cdr pair))))))))) - -;;;###autoload -(defun org-babel-expand-src-block-maybe () - "Conditionally expand a source block. -Detect if this is context for a org-babel src-block and if so -then run `org-babel-expand-src-block'." - (interactive) - (let ((info (org-babel-get-src-block-info))) - (if info - (progn (org-babel-expand-src-block current-prefix-arg info) t) - nil))) - -;;;###autoload -(defun org-babel-load-in-session-maybe () - "Conditionally load a source block in a session. -Detect if this is context for a org-babel src-block and if so -then run `org-babel-load-in-session'." - (interactive) - (let ((info (org-babel-get-src-block-info))) - (if info - (progn (org-babel-load-in-session current-prefix-arg info) t) - nil))) - -(add-hook 'org-metaup-hook 'org-babel-load-in-session-maybe) - -;;;###autoload -(defun org-babel-pop-to-session-maybe () - "Conditionally pop to a session. -Detect if this is context for a org-babel src-block and if so -then run `org-babel-pop-to-session'." - (interactive) - (let ((info (org-babel-get-src-block-info))) - (if info (progn (org-babel-pop-to-session current-prefix-arg info) t) nil))) - -(add-hook 'org-metadown-hook 'org-babel-pop-to-session-maybe) - -(defconst org-babel-common-header-args-w-values - '((cache . ((no yes))) - (cmdline . :any) - (colnames . ((nil no yes))) - (comments . ((no link yes org both noweb))) - (dir . :any) - (eval . ((never query))) - (exports . ((code results both none))) - (file . :any) - (file-desc . :any) - (hlines . ((no yes))) - (mkdirp . ((yes no))) - (no-expand) - (noeval) - (noweb . ((yes no tangle no-export strip-export))) - (noweb-ref . :any) - (noweb-sep . :any) - (padline . ((yes no))) - (results . ((file list vector table scalar verbatim) - (raw html latex org code pp drawer) - (replace silent append prepend) - (output value))) - (rownames . ((no yes))) - (sep . :any) - (session . :any) - (shebang . :any) - (tangle . ((tangle yes no :any))) - (var . :any) - (wrap . :any))) - -(defconst org-babel-header-arg-names - (mapcar #'car org-babel-common-header-args-w-values) - "Common header arguments used by org-babel. -Note that individual languages may define their own language -specific header arguments as well.") - -(defvar org-babel-default-header-args - '((:session . "none") (:results . "replace") (:exports . "code") - (:cache . "no") (:noweb . "no") (:hlines . "no") (:tangle . "no") - (:padnewline . "yes")) - "Default arguments to use when evaluating a source block.") - -(defvar org-babel-default-inline-header-args - '((:session . "none") (:results . "replace") (:exports . "results")) - "Default arguments to use when evaluating an inline source block.") - -(defvar org-babel-data-names '("tblname" "results" "name")) - -(defvar org-babel-result-regexp - (concat "^[ \t]*#\\+" - (regexp-opt org-babel-data-names t) - "\\(\\[\\([[:alnum:]]+\\)\\]\\)?\\:[ \t]*") - "Regular expression used to match result lines. -If the results are associated with a hash key then the hash will -be saved in the second match data.") - -(defvar org-babel-result-w-name-regexp - (concat org-babel-result-regexp - "\\([^ ()\f\t\n\r\v]+\\)\\(\(\\(.*\\)\)\\|\\)")) - -(defvar org-babel-min-lines-for-block-output 10 - "The minimum number of lines for block output. -If number of lines of output is equal to or exceeds this -value, the output is placed in a #+begin_example...#+end_example -block. Otherwise the output is marked as literal by inserting -colons at the starts of the lines. This variable only takes -effect if the :results output option is in effect.") - -(defvar org-babel-noweb-error-langs nil - "Languages for which Babel will raise literate programming errors. -List of languages for which errors should be raised when the -source code block satisfying a noweb reference in this language -can not be resolved.") - -(defvar org-babel-hash-show 4 - "Number of initial characters to show of a hidden results hash.") - -(defvar org-babel-after-execute-hook nil - "Hook for functions to be called after `org-babel-execute-src-block'") - -(defun org-babel-named-src-block-regexp-for-name (name) - "This generates a regexp used to match a src block named NAME." - (concat org-babel-src-name-regexp (regexp-quote name) - "[ \t(]*[\r\n]\\(?:^#.*[\r\n]\\)*" - (substring org-babel-src-block-regexp 1))) - -(defun org-babel-named-data-regexp-for-name (name) - "This generates a regexp used to match data named NAME." - (concat org-babel-result-regexp (regexp-quote name) "\\([ \t]\\|$\\)")) - -;;; functions -(defvar call-process-region) -;;;###autoload - -(defun org-babel-execute-src-block (&optional arg info params) - "Execute the current source code block. -Insert the results of execution into the buffer. Source code -execution and the collection and formatting of results can be -controlled through a variety of header arguments. - -With prefix argument ARG, force re-execution even if an existing -result cached in the buffer would otherwise have been returned. - -Optionally supply a value for INFO in the form returned by -`org-babel-get-src-block-info'. - -Optionally supply a value for PARAMS which will be merged with -the header arguments specified at the front of the source code -block." - (interactive) - (let ((info (or info (org-babel-get-src-block-info)))) - (when (org-babel-confirm-evaluate - (let ((i info)) - (setf (nth 2 i) (org-babel-merge-params (nth 2 info) params)) - i)) - (let* ((lang (nth 0 info)) - (params (if params - (org-babel-process-params - (org-babel-merge-params (nth 2 info) params)) - (nth 2 info))) - (cache? (and (not arg) (cdr (assoc :cache params)) - (string= "yes" (cdr (assoc :cache params))))) - (result-params (cdr (assoc :result-params params))) - (new-hash (when cache? (org-babel-sha1-hash info))) - (old-hash (when cache? (org-babel-current-result-hash))) - (body (setf (nth 1 info) - (if (org-babel-noweb-p params :eval) - (org-babel-expand-noweb-references info) - (nth 1 info)))) - (dir (cdr (assoc :dir params))) - (default-directory - (or (and dir (file-name-as-directory (expand-file-name dir))) - default-directory)) - (org-babel-call-process-region-original - (if (boundp 'org-babel-call-process-region-original) - org-babel-call-process-region-original - (symbol-function 'call-process-region))) - (indent (car (last info))) - result cmd) - (unwind-protect - (let ((call-process-region - (lambda (&rest args) - (apply 'org-babel-tramp-handle-call-process-region args)))) - (let ((lang-check (lambda (f) - (let ((f (intern (concat "org-babel-execute:" f)))) - (when (fboundp f) f))))) - (setq cmd - (or (funcall lang-check lang) - (funcall lang-check (symbol-name - (cdr (assoc lang org-src-lang-modes)))) - (error "No org-babel-execute function for %s!" lang)))) - (if (and (not arg) new-hash (equal new-hash old-hash)) - (save-excursion ;; return cached result - (goto-char (org-babel-where-is-src-block-result nil info)) - (end-of-line 1) (forward-char 1) - (setq result (org-babel-read-result)) - (message (replace-regexp-in-string - "%" "%%" (format "%S" result))) result) - (message "executing %s code block%s..." - (capitalize lang) - (if (nth 4 info) (format " (%s)" (nth 4 info)) "")) - (setq result - ((lambda (result) - (if (and (eq (cdr (assoc :result-type params)) 'value) - (or (member "vector" result-params) - (member "table" result-params)) - (not (listp result))) - (list (list result)) result)) - (funcall cmd body params))) - ;; if non-empty result and :file then write to :file - (when (cdr (assoc :file params)) - (when result - (with-temp-file (cdr (assoc :file params)) - (insert - (org-babel-format-result - result (cdr (assoc :sep (nth 2 info))))))) - (setq result (cdr (assoc :file params)))) - (org-babel-insert-result - result result-params info new-hash indent lang) - (run-hooks 'org-babel-after-execute-hook) - result)) - (setq call-process-region 'org-babel-call-process-region-original)))))) - -(defun org-babel-expand-body:generic (body params &optional var-lines) - "Expand BODY with PARAMS. -Expand a block of code with org-babel according to its header -arguments. This generic implementation of body expansion is -called for languages which have not defined their own specific -org-babel-expand-body:lang function." - (mapconcat #'identity (append var-lines (list body)) "\n")) - -;;;###autoload -(defun org-babel-expand-src-block (&optional arg info params) - "Expand the current source code block. -Expand according to the source code block's header -arguments and pop open the results in a preview buffer." - (interactive) - (let* ((info (or info (org-babel-get-src-block-info))) - (lang (nth 0 info)) - (params (setf (nth 2 info) - (sort (org-babel-merge-params (nth 2 info) params) - (lambda (el1 el2) (string< (symbol-name (car el1)) - (symbol-name (car el2))))))) - (body (setf (nth 1 info) - (if (org-babel-noweb-p params :eval) - (org-babel-expand-noweb-references info) (nth 1 info)))) - (expand-cmd (intern (concat "org-babel-expand-body:" lang))) - (assignments-cmd (intern (concat "org-babel-variable-assignments:" - lang))) - (expanded - (if (fboundp expand-cmd) (funcall expand-cmd body params) - (org-babel-expand-body:generic - body params (and (fboundp assignments-cmd) - (funcall assignments-cmd params)))))) - (org-edit-src-code - nil expanded (concat "*Org-Babel Preview " (buffer-name) "[ " lang " ]*")))) - -(defun org-babel-edit-distance (s1 s2) - "Return the edit (levenshtein) distance between strings S1 S2." - (let* ((l1 (length s1)) - (l2 (length s2)) - (dist (vconcat (mapcar (lambda (_) (make-vector (1+ l2) nil)) - (number-sequence 1 (1+ l1))))) - (in (lambda (i j) (aref (aref dist i) j))) - (mmin (lambda (&rest lst) (apply #'min (remove nil lst))))) - (setf (aref (aref dist 0) 0) 0) - (dolist (i (number-sequence 1 l1)) - (dolist (j (number-sequence 1 l2)) - (setf (aref (aref dist i) j) - (+ (if (equal (aref s1 (1- i)) (aref s2 (1- j))) 0 1) - (funcall mmin (funcall in (1- i) j) - (funcall in i (1- j)) - (funcall in (1- i) (1- j))))))) - (funcall in l1 l2))) - -(defun org-babel-combine-header-arg-lists (original &rest others) - "Combine a number of lists of header argument names and arguments." - (let ((results (copy-sequence original))) - (dolist (new-list others) - (dolist (arg-pair new-list) - (let ((header (car arg-pair)) - (args (cdr arg-pair))) - (setq results - (cons arg-pair (org-remove-if - (lambda (pair) (equal header (car pair))) - results)))))) - results)) - -;;;###autoload -(defun org-babel-check-src-block () - "Check for misspelled header arguments in the current code block." - (interactive) - ;; TODO: report malformed code block - ;; TODO: report incompatible combinations of header arguments - ;; TODO: report uninitialized variables - (let ((too-close 2) ;; <- control closeness to report potential match - (names (mapcar #'symbol-name org-babel-header-arg-names))) - (dolist (header (mapcar (lambda (arg) (substring (symbol-name (car arg)) 1)) - (and (org-babel-where-is-src-block-head) - (org-babel-parse-header-arguments - (org-no-properties - (match-string 4)))))) - (dolist (name names) - (when (and (not (string= header name)) - (<= (org-babel-edit-distance header name) too-close) - (not (member header names))) - (error "Supplied header \"%S\" is suspiciously close to \"%S\"" - header name)))) - (message "No suspicious header arguments found."))) - -;;;###autoload -(defun org-babel-insert-header-arg () - "Insert a header argument selecting from lists of common args and values." - (interactive) - (let* ((lang (car (org-babel-get-src-block-info 'light))) - (lang-headers (intern (concat "org-babel-header-args:" lang))) - (headers (org-babel-combine-header-arg-lists - org-babel-common-header-args-w-values - (if (boundp lang-headers) (eval lang-headers) nil))) - (arg (org-icompleting-read - "Header Arg: " - (mapcar - (lambda (header-spec) (symbol-name (car header-spec))) - headers)))) - (insert ":" arg) - (let ((vals (cdr (assoc (intern arg) headers)))) - (when vals - (insert - " " - (cond - ((eq vals :any) - (read-from-minibuffer "value: ")) - ((listp vals) - (mapconcat - (lambda (group) - (let ((arg (org-icompleting-read - "value: " - (cons "default" (mapcar #'symbol-name group))))) - (if (and arg (not (string= "default" arg))) - (concat arg " ") - ""))) - vals "")))))))) - -;; Add support for completing-read insertion of header arguments after ":" -(defun org-babel-header-arg-expand () - "Call `org-babel-enter-header-arg-w-completion' in appropriate contexts." - (when (and (equal (char-before) ?\:) (org-babel-where-is-src-block-head)) - (org-babel-enter-header-arg-w-completion (match-string 2)))) - -(defun org-babel-enter-header-arg-w-completion (&optional lang) - "Insert header argument appropriate for LANG with completion." - (let* ((lang-headers-var (intern (concat "org-babel-header-args:" lang))) - (lang-headers (when (boundp lang-headers-var) (eval lang-headers-var))) - (headers-w-values (org-babel-combine-header-arg-lists - org-babel-common-header-args-w-values lang-headers)) - (headers (mapcar #'symbol-name (mapcar #'car headers-w-values))) - (header (org-completing-read "Header Arg: " headers)) - (args (cdr (assoc (intern header) headers-w-values))) - (arg (when (and args (listp args)) - (org-completing-read - (format "%s: " header) - (mapcar #'symbol-name (apply #'append args)))))) - (insert (concat header " " (or arg ""))) - (cons header arg))) - -(add-hook 'org-tab-first-hook 'org-babel-header-arg-expand) - -;;;###autoload -(defun org-babel-load-in-session (&optional arg info) - "Load the body of the current source-code block. -Evaluate the header arguments for the source block before -entering the session. After loading the body this pops open the -session." - (interactive) - (let* ((info (or info (org-babel-get-src-block-info))) - (lang (nth 0 info)) - (params (nth 2 info)) - (body (setf (nth 1 info) - (if (org-babel-noweb-p params :eval) - (org-babel-expand-noweb-references info) - (nth 1 info)))) - (session (cdr (assoc :session params))) - (dir (cdr (assoc :dir params))) - (default-directory - (or (and dir (file-name-as-directory dir)) default-directory)) - (cmd (intern (concat "org-babel-load-session:" lang)))) - (unless (fboundp cmd) - (error "No org-babel-load-session function for %s!" lang)) - (pop-to-buffer (funcall cmd session body params)) - (end-of-line 1))) - -;;;###autoload -(defun org-babel-initiate-session (&optional arg info) - "Initiate session for current code block. -If called with a prefix argument then resolve any variable -references in the header arguments and assign these variables in -the session. Copy the body of the code block to the kill ring." - (interactive "P") - (let* ((info (or info (org-babel-get-src-block-info (not arg)))) - (lang (nth 0 info)) - (body (nth 1 info)) - (params (nth 2 info)) - (session (cdr (assoc :session params))) - (dir (cdr (assoc :dir params))) - (default-directory - (or (and dir (file-name-as-directory dir)) default-directory)) - (init-cmd (intern (format "org-babel-%s-initiate-session" lang))) - (prep-cmd (intern (concat "org-babel-prep-session:" lang)))) - (if (and (stringp session) (string= session "none")) - (error "This block is not using a session!")) - (unless (fboundp init-cmd) - (error "No org-babel-initiate-session function for %s!" lang)) - (with-temp-buffer (insert (org-babel-trim body)) - (copy-region-as-kill (point-min) (point-max))) - (when arg - (unless (fboundp prep-cmd) - (error "No org-babel-prep-session function for %s!" lang)) - (funcall prep-cmd session params)) - (funcall init-cmd session params))) - -;;;###autoload -(defun org-babel-switch-to-session (&optional arg info) - "Switch to the session of the current code block. -Uses `org-babel-initiate-session' to start the session. If called -with a prefix argument then this is passed on to -`org-babel-initiate-session'." - (interactive "P") - (pop-to-buffer (org-babel-initiate-session arg info)) - (end-of-line 1)) - -(defalias 'org-babel-pop-to-session 'org-babel-switch-to-session) - -;;;###autoload -(defun org-babel-switch-to-session-with-code (&optional arg info) - "Switch to code buffer and display session." - (interactive "P") - (let ((swap-windows - (lambda () - (let ((other-window-buffer (window-buffer (next-window)))) - (set-window-buffer (next-window) (current-buffer)) - (set-window-buffer (selected-window) other-window-buffer)) - (other-window 1))) - (info (org-babel-get-src-block-info)) - (org-src-window-setup 'reorganize-frame)) - (save-excursion - (org-babel-switch-to-session arg info)) - (org-edit-src-code) - (funcall swap-windows))) - -(defmacro org-babel-do-in-edit-buffer (&rest body) - "Evaluate BODY in edit buffer if there is a code block at point. -Return t if a code block was found at point, nil otherwise." - `(let ((org-src-window-setup 'switch-invisibly)) - (when (and (org-babel-where-is-src-block-head) - (org-edit-src-code nil nil nil)) - (unwind-protect (progn ,@body) - (if (org-bound-and-true-p org-edit-src-from-org-mode) - (org-edit-src-exit))) - t))) -(def-edebug-spec org-babel-do-in-edit-buffer (body)) - -(defun org-babel-do-key-sequence-in-edit-buffer (key) - "Read key sequence and execute the command in edit buffer. -Enter a key sequence to be executed in the language major-mode -edit buffer. For example, TAB will alter the contents of the -Org-mode code block according to the effect of TAB in the -language major-mode buffer. For languages that support -interactive sessions, this can be used to send code from the Org -buffer to the session for evaluation using the native major-mode -evaluation mechanisms." - (interactive "kEnter key-sequence to execute in edit buffer: ") - (org-babel-do-in-edit-buffer - (call-interactively - (key-binding (or key (read-key-sequence nil)))))) - -(defvar org-bracket-link-regexp) -;;;###autoload -(defun org-babel-open-src-block-result (&optional re-run) - "If `point' is on a src block then open the results of the -source code block, otherwise return nil. With optional prefix -argument RE-RUN the source-code block is evaluated even if -results already exist." - (interactive "P") - (let ((info (org-babel-get-src-block-info))) - (when info - (save-excursion - ;; go to the results, if there aren't any then run the block - (goto-char (or (and (not re-run) (org-babel-where-is-src-block-result)) - (progn (org-babel-execute-src-block) - (org-babel-where-is-src-block-result)))) - (end-of-line 1) - (while (looking-at "[\n\r\t\f ]") (forward-char 1)) - ;; open the results - (if (looking-at org-bracket-link-regexp) - ;; file results - (org-open-at-point) - (let ((r (org-babel-format-result - (org-babel-read-result) (cdr (assoc :sep (nth 2 info)))))) - (pop-to-buffer (get-buffer-create "*Org-Babel Results*")) - (delete-region (point-min) (point-max)) - (insert r))) - t)))) - -;;;###autoload -(defmacro org-babel-map-src-blocks (file &rest body) - "Evaluate BODY forms on each source-block in FILE. -If FILE is nil evaluate BODY forms on source blocks in current -buffer. During evaluation of BODY the following local variables -are set relative to the currently matched code block. - -full-block ------- string holding the entirety of the code block -beg-block -------- point at the beginning of the code block -end-block -------- point at the end of the matched code block -lang ------------- string holding the language of the code block -beg-lang --------- point at the beginning of the lang -end-lang --------- point at the end of the lang -switches --------- string holding the switches -beg-switches ----- point at the beginning of the switches -end-switches ----- point at the end of the switches -header-args ------ string holding the header-args -beg-header-args -- point at the beginning of the header-args -end-header-args -- point at the end of the header-args -body ------------- string holding the body of the code block -beg-body --------- point at the beginning of the body -end-body --------- point at the end of the body" - (declare (indent 1)) - (let ((tempvar (make-symbol "file"))) - `(let* ((,tempvar ,file) - (visited-p (or (null ,tempvar) - (get-file-buffer (expand-file-name ,tempvar)))) - (point (point)) to-be-removed) - (save-window-excursion - (when ,tempvar (find-file ,tempvar)) - (setq to-be-removed (current-buffer)) - (goto-char (point-min)) - (while (re-search-forward org-babel-src-block-regexp nil t) - (goto-char (match-beginning 0)) - (let ((full-block (match-string 0)) - (beg-block (match-beginning 0)) - (end-block (match-end 0)) - (lang (match-string 2)) - (beg-lang (match-beginning 2)) - (end-lang (match-end 2)) - (switches (match-string 3)) - (beg-switches (match-beginning 3)) - (end-switches (match-end 3)) - (header-args (match-string 4)) - (beg-header-args (match-beginning 4)) - (end-header-args (match-end 4)) - (body (match-string 5)) - (beg-body (match-beginning 5)) - (end-body (match-end 5))) - ,@body - (goto-char end-block)))) - (unless visited-p (kill-buffer to-be-removed)) - (goto-char point)))) -(def-edebug-spec org-babel-map-src-blocks (form body)) - -;;;###autoload -(defmacro org-babel-map-inline-src-blocks (file &rest body) - "Evaluate BODY forms on each inline source-block in FILE. -If FILE is nil evaluate BODY forms on source blocks in current -buffer." - (declare (indent 1)) - (let ((tempvar (make-symbol "file"))) - `(let* ((,tempvar ,file) - (visited-p (or (null ,tempvar) - (get-file-buffer (expand-file-name ,tempvar)))) - (point (point)) to-be-removed) - (save-window-excursion - (when ,tempvar (find-file ,tempvar)) - (setq to-be-removed (current-buffer)) - (goto-char (point-min)) - (while (re-search-forward org-babel-inline-src-block-regexp nil t) - (goto-char (match-beginning 1)) - (save-match-data ,@body) - (goto-char (match-end 0)))) - (unless visited-p (kill-buffer to-be-removed)) - (goto-char point)))) -(def-edebug-spec org-babel-map-inline-src-blocks (form body)) - -(defvar org-babel-lob-one-liner-regexp) -;;;###autoload -(defmacro org-babel-map-call-lines (file &rest body) - "Evaluate BODY forms on each call line in FILE. -If FILE is nil evaluate BODY forms on source blocks in current -buffer." - (declare (indent 1)) - (let ((tempvar (make-symbol "file"))) - `(let* ((,tempvar ,file) - (visited-p (or (null ,tempvar) - (get-file-buffer (expand-file-name ,tempvar)))) - (point (point)) to-be-removed) - (save-window-excursion - (when ,tempvar (find-file ,tempvar)) - (setq to-be-removed (current-buffer)) - (goto-char (point-min)) - (while (re-search-forward org-babel-lob-one-liner-regexp nil t) - (goto-char (match-beginning 1)) - (save-match-data ,@body) - (goto-char (match-end 0)))) - (unless visited-p (kill-buffer to-be-removed)) - (goto-char point)))) -(def-edebug-spec org-babel-map-call-lines (form body)) - -;;;###autoload -(defmacro org-babel-map-executables (file &rest body) - (declare (indent 1)) - (let ((tempvar (make-symbol "file")) - (rx (make-symbol "rx"))) - `(let* ((,tempvar ,file) - (,rx (concat "\\(" org-babel-src-block-regexp - "\\|" org-babel-inline-src-block-regexp - "\\|" org-babel-lob-one-liner-regexp "\\)")) - (visited-p (or (null ,tempvar) - (get-file-buffer (expand-file-name ,tempvar)))) - (point (point)) to-be-removed) - (save-window-excursion - (when ,tempvar (find-file ,tempvar)) - (setq to-be-removed (current-buffer)) - (goto-char (point-min)) - (while (re-search-forward ,rx nil t) - (goto-char (match-beginning 1)) - (when (looking-at org-babel-inline-src-block-regexp)(forward-char 1)) - (save-match-data ,@body) - (goto-char (match-end 0)))) - (unless visited-p (kill-buffer to-be-removed)) - (goto-char point)))) -(def-edebug-spec org-babel-map-executables (form body)) - -;;;###autoload -(defun org-babel-execute-buffer (&optional arg) - "Execute source code blocks in a buffer. -Call `org-babel-execute-src-block' on every source block in -the current buffer." - (interactive "P") - (org-babel-eval-wipe-error-buffer) - (org-save-outline-visibility t - (org-babel-map-executables nil - (if (looking-at org-babel-lob-one-liner-regexp) - (org-babel-lob-execute-maybe) - (org-babel-execute-src-block arg))))) - -;;;###autoload -(defun org-babel-execute-subtree (&optional arg) - "Execute source code blocks in a subtree. -Call `org-babel-execute-src-block' on every source block in -the current subtree." - (interactive "P") - (save-restriction - (save-excursion - (org-narrow-to-subtree) - (org-babel-execute-buffer arg) - (widen)))) - -;;;###autoload -(defun org-babel-sha1-hash (&optional info) - "Generate an sha1 hash based on the value of info." - (interactive) - (let ((print-level nil) - (info (or info (org-babel-get-src-block-info)))) - (setf (nth 2 info) - (sort (copy-sequence (nth 2 info)) - (lambda (a b) (string< (car a) (car b))))) - (let* ((rm (lambda (lst) - (dolist (p '("replace" "silent" "append" "prepend")) - (setq lst (remove p lst))) - lst)) - (norm (lambda (arg) - (let ((v (if (and (listp (cdr arg)) (null (cddr arg))) - (copy-sequence (cdr arg)) - (cdr arg)))) - (when (and v (not (and (sequencep v) - (not (consp v)) - (= (length v) 0)))) - (cond - ((and (listp v) ; lists are sorted - (member (car arg) '(:result-params))) - (sort (funcall rm v) #'string<)) - ((and (stringp v) ; strings are sorted - (member (car arg) '(:results :exports))) - (mapconcat #'identity (sort (funcall rm (split-string v)) - #'string<) " ")) - (t v))))))) - ((lambda (hash) - (when (org-called-interactively-p 'interactive) (message hash)) hash) - (let ((it (format "%s-%s" - (mapconcat - #'identity - (delq nil (mapcar (lambda (arg) - (let ((normalized (funcall norm arg))) - (when normalized - (format "%S" normalized)))) - (nth 2 info))) ":") - (nth 1 info)))) - (sha1 it)))))) - -(defun org-babel-current-result-hash () - "Return the current in-buffer hash." - (org-babel-where-is-src-block-result) - (org-no-properties (match-string 3))) - -(defun org-babel-set-current-result-hash (hash) - "Set the current in-buffer hash to HASH." - (org-babel-where-is-src-block-result) - (save-excursion (goto-char (match-beginning 3)) - ;; (mapc #'delete-overlay (overlays-at (point))) - (replace-match hash nil nil nil 3) - (org-babel-hide-hash))) - -(defun org-babel-hide-hash () - "Hide the hash in the current results line. -Only the initial `org-babel-hash-show' characters of the hash -will remain visible." - (add-to-invisibility-spec '(org-babel-hide-hash . t)) - (save-excursion - (when (and (re-search-forward org-babel-result-regexp nil t) - (match-string 3)) - (let* ((start (match-beginning 3)) - (hide-start (+ org-babel-hash-show start)) - (end (match-end 3)) - (hash (match-string 3)) - ov1 ov2) - (setq ov1 (make-overlay start hide-start)) - (setq ov2 (make-overlay hide-start end)) - (overlay-put ov2 'invisible 'org-babel-hide-hash) - (overlay-put ov1 'babel-hash hash))))) - -(defun org-babel-hide-all-hashes () - "Hide the hash in the current buffer. -Only the initial `org-babel-hash-show' characters of each hash -will remain visible. This function should be called as part of -the `org-mode-hook'." - (save-excursion - (while (re-search-forward org-babel-result-regexp nil t) - (goto-char (match-beginning 0)) - (org-babel-hide-hash) - (goto-char (match-end 0))))) -(add-hook 'org-mode-hook 'org-babel-hide-all-hashes) - -(defun org-babel-hash-at-point (&optional point) - "Return the value of the hash at POINT. -The hash is also added as the last element of the kill ring. -This can be called with C-c C-c." - (interactive) - (let ((hash (car (delq nil (mapcar - (lambda (ol) (overlay-get ol 'babel-hash)) - (overlays-at (or point (point)))))))) - (when hash (kill-new hash) (message hash)))) -(add-hook 'org-ctrl-c-ctrl-c-hook 'org-babel-hash-at-point) - -(defun org-babel-result-hide-spec () - "Hide portions of results lines. -Add `org-babel-hide-result' as an invisibility spec for hiding -portions of results lines." - (add-to-invisibility-spec '(org-babel-hide-result . t))) -(add-hook 'org-mode-hook 'org-babel-result-hide-spec) - -(defvar org-babel-hide-result-overlays nil - "Overlays hiding results.") - -(defun org-babel-result-hide-all () - "Fold all results in the current buffer." - (interactive) - (org-babel-show-result-all) - (save-excursion - (while (re-search-forward org-babel-result-regexp nil t) - (save-excursion (goto-char (match-beginning 0)) - (org-babel-hide-result-toggle-maybe))))) - -(defun org-babel-show-result-all () - "Unfold all results in the current buffer." - (mapc 'delete-overlay org-babel-hide-result-overlays) - (setq org-babel-hide-result-overlays nil)) - -;;;###autoload -(defun org-babel-hide-result-toggle-maybe () - "Toggle visibility of result at point." - (interactive) - (let ((case-fold-search t)) - (if (save-excursion - (beginning-of-line 1) - (looking-at org-babel-result-regexp)) - (progn (org-babel-hide-result-toggle) - t) ;; to signal that we took action - nil))) ;; to signal that we did not - -(defun org-babel-hide-result-toggle (&optional force) - "Toggle the visibility of the current result." - (interactive) - (save-excursion - (beginning-of-line) - (if (re-search-forward org-babel-result-regexp nil t) - (let ((start (progn (beginning-of-line 2) (- (point) 1))) - (end (progn - (while (looking-at org-babel-multi-line-header-regexp) - (forward-line 1)) - (goto-char (- (org-babel-result-end) 1)) (point))) - ov) - (if (memq t (mapcar (lambda (overlay) - (eq (overlay-get overlay 'invisible) - 'org-babel-hide-result)) - (overlays-at start))) - (if (or (not force) (eq force 'off)) - (mapc (lambda (ov) - (when (member ov org-babel-hide-result-overlays) - (setq org-babel-hide-result-overlays - (delq ov org-babel-hide-result-overlays))) - (when (eq (overlay-get ov 'invisible) - 'org-babel-hide-result) - (delete-overlay ov))) - (overlays-at start))) - (setq ov (make-overlay start end)) - (overlay-put ov 'invisible 'org-babel-hide-result) - ;; make the block accessible to isearch - (overlay-put - ov 'isearch-open-invisible - (lambda (ov) - (when (member ov org-babel-hide-result-overlays) - (setq org-babel-hide-result-overlays - (delq ov org-babel-hide-result-overlays))) - (when (eq (overlay-get ov 'invisible) - 'org-babel-hide-result) - (delete-overlay ov)))) - (push ov org-babel-hide-result-overlays))) - (error "Not looking at a result line")))) - -;; org-tab-after-check-for-cycling-hook -(add-hook 'org-tab-first-hook 'org-babel-hide-result-toggle-maybe) -;; Remove overlays when changing major mode -(add-hook 'org-mode-hook - (lambda () (org-add-hook 'change-major-mode-hook - 'org-babel-show-result-all 'append 'local))) - -(defvar org-file-properties) -(defun org-babel-params-from-properties (&optional lang) - "Retrieve parameters specified as properties. -Return an association list of any source block params which -may be specified in the properties of the current outline entry." - (save-match-data - (let (val sym) - (org-babel-parse-multiple-vars - (delq nil - (mapcar - (lambda (header-arg) - (and (setq val (org-entry-get (point) header-arg t)) - (cons (intern (concat ":" header-arg)) - (org-babel-read val)))) - (mapcar - #'symbol-name - (mapcar - #'car - (org-babel-combine-header-arg-lists - org-babel-common-header-args-w-values - (progn - (setq sym (intern (concat "org-babel-header-args:" lang))) - (and (boundp sym) (eval sym)))))))))))) - -(defvar org-src-preserve-indentation) -(defun org-babel-parse-src-block-match () - "Parse the results from a match of the `org-babel-src-block-regexp'." - (let* ((block-indentation (length (match-string 1))) - (lang (org-no-properties (match-string 2))) - (lang-headers (intern (concat "org-babel-default-header-args:" lang))) - (switches (match-string 3)) - (body (org-no-properties - (let* ((body (match-string 5)) - (sub-length (- (length body) 1))) - (if (and (> sub-length 0) - (string= "\n" (substring body sub-length))) - (substring body 0 sub-length) - (or body ""))))) - (preserve-indentation (or org-src-preserve-indentation - (save-match-data - (string-match "-i\\>" switches))))) - (list lang - ;; get block body less properties, protective commas, and indentation - (with-temp-buffer - (save-match-data - (insert (org-babel-strip-protective-commas body lang)) - (unless preserve-indentation (org-do-remove-indentation)) - (buffer-string))) - (org-babel-merge-params - org-babel-default-header-args - (org-babel-params-from-properties lang) - (if (boundp lang-headers) (eval lang-headers) nil) - (org-babel-parse-header-arguments - (org-no-properties (or (match-string 4) "")))) - switches - block-indentation))) - -(defun org-babel-parse-inline-src-block-match () - "Parse the results from a match of the `org-babel-inline-src-block-regexp'." - (let* ((lang (org-no-properties (match-string 2))) - (lang-headers (intern (concat "org-babel-default-header-args:" lang)))) - (list lang - (org-babel-strip-protective-commas - (org-no-properties (match-string 5)) lang) - (org-babel-merge-params - org-babel-default-inline-header-args - (org-babel-params-from-properties lang) - (if (boundp lang-headers) (eval lang-headers) nil) - (org-babel-parse-header-arguments - (org-no-properties (or (match-string 4) ""))))))) - -(defun org-babel-balanced-split (string alts) - "Split STRING on instances of ALTS. -ALTS is a cons of two character options where each option may be -either the numeric code of a single character or a list of -character alternatives. For example to split on balanced -instances of \"[ \t]:\" set ALTS to '((32 9) . 58)." - (let* ((matches (lambda (ch spec) (if (listp spec) (member ch spec) (equal spec ch)))) - (matched (lambda (ch last) - (if (consp alts) - (and (funcall matches ch (cdr alts)) - (funcall matches last (car alts))) - (funcall matches ch alts)))) - (balance 0) (last 0) - quote partial lst) - (mapc (lambda (ch) ; split on [], (), "" balanced instances of [ \t]: - (setq balance (+ balance - (cond ((or (equal 91 ch) (equal 40 ch)) 1) - ((or (equal 93 ch) (equal 41 ch)) -1) - (t 0)))) - (when (and (equal 34 ch) (not (equal 92 last))) - (setq quote (not quote))) - (setq partial (cons ch partial)) - (when (and (= balance 0) (not quote) (funcall matched ch last)) - (setq lst (cons (apply #'string (nreverse - (if (consp alts) - (cddr partial) - (cdr partial)))) - lst)) - (setq partial nil)) - (setq last ch)) - (string-to-list string)) - (nreverse (cons (apply #'string (nreverse partial)) lst)))) - -(defun org-babel-join-splits-near-ch (ch list) - "Join splits where \"=\" is on either end of the split." - (let ((last= (lambda (str) (= ch (aref str (1- (length str)))))) - (first= (lambda (str) (= ch (aref str 0))))) - (reverse - (org-reduce (lambda (acc el) - (let ((head (car acc))) - (if (and head (or (funcall last= head) (funcall first= el))) - (cons (concat head el) (cdr acc)) - (cons el acc)))) - list :initial-value nil)))) - -(defun org-babel-parse-header-arguments (arg-string) - "Parse a string of header arguments returning an alist." - (when (> (length arg-string) 0) - (org-babel-parse-multiple-vars - (delq nil - (mapcar - (lambda (arg) - (if (string-match - "\\([^ \f\t\n\r\v]+\\)[ \f\t\n\r\v]+\\([^ \f\t\n\r\v]+.*\\)" - arg) - (cons (intern (match-string 1 arg)) - (org-babel-read (org-babel-chomp (match-string 2 arg)))) - (cons (intern (org-babel-chomp arg)) nil))) - ((lambda (raw) - (cons (car raw) (mapcar (lambda (r) (concat ":" r)) (cdr raw)))) - (org-babel-balanced-split arg-string '((32 9) . 58)))))))) - -(defun org-babel-parse-multiple-vars (header-arguments) - "Expand multiple variable assignments behind a single :var keyword. - -This allows expression of multiple variables with one :var as -shown below. - -#+PROPERTY: var foo=1, bar=2" - (let (results) - (mapc (lambda (pair) - (if (eq (car pair) :var) - (mapcar (lambda (v) (push (cons :var (org-babel-trim v)) results)) - (org-babel-join-splits-near-ch - 61 (org-babel-balanced-split (cdr pair) 32))) - (push pair results))) - header-arguments) - (nreverse results))) - -(defun org-babel-process-params (params) - "Expand variables in PARAMS and add summary parameters." - (let* ((processed-vars (mapcar (lambda (el) - (if (consp (cdr el)) - (cdr el) - (org-babel-ref-parse (cdr el)))) - (org-babel-get-header params :var))) - (vars-and-names (if (and (assoc :colname-names params) - (assoc :rowname-names params)) - (list processed-vars) - (org-babel-disassemble-tables - processed-vars - (cdr (assoc :hlines params)) - (cdr (assoc :colnames params)) - (cdr (assoc :rownames params))))) - (raw-result (or (cdr (assoc :results params)) "")) - (result-params (append - (split-string (if (stringp raw-result) - raw-result - (eval raw-result))) - (cdr (assoc :result-params params))))) - (append - (mapcar (lambda (var) (cons :var var)) (car vars-and-names)) - (list - (cons :colname-names (or (cdr (assoc :colname-names params)) - (cadr vars-and-names))) - (cons :rowname-names (or (cdr (assoc :rowname-names params)) - (caddr vars-and-names))) - (cons :result-params result-params) - (cons :result-type (cond ((member "output" result-params) 'output) - ((member "value" result-params) 'value) - (t 'value)))) - (org-babel-get-header params :var 'other)))) - -;; row and column names -(defun org-babel-del-hlines (table) - "Remove all 'hlines from TABLE." - (remove 'hline table)) - -(defun org-babel-get-colnames (table) - "Return the column names of TABLE. -Return a cons cell, the `car' of which contains the TABLE less -colnames, and the `cdr' of which contains a list of the column -names." - (if (equal 'hline (nth 1 table)) - (cons (cddr table) (car table)) - (cons (cdr table) (car table)))) - -(defun org-babel-get-rownames (table) - "Return the row names of TABLE. -Return a cons cell, the `car' of which contains the TABLE less -colnames, and the `cdr' of which contains a list of the column -names. Note: this function removes any hlines in TABLE." - (let* ((trans (lambda (table) (apply #'mapcar* #'list table))) - (width (apply 'max - (mapcar (lambda (el) (if (listp el) (length el) 0)) table))) - (table (funcall trans (mapcar (lambda (row) - (if (not (equal row 'hline)) - row - (setq row '()) - (dotimes (n width) - (setq row (cons 'hline row))) - row)) - table)))) - (cons (mapcar (lambda (row) (if (equal (car row) 'hline) 'hline row)) - (funcall trans (cdr table))) - (remove 'hline (car table))))) - -(defun org-babel-put-colnames (table colnames) - "Add COLNAMES to TABLE if they exist." - (if colnames (apply 'list colnames 'hline table) table)) - -(defun org-babel-put-rownames (table rownames) - "Add ROWNAMES to TABLE if they exist." - (if rownames - (mapcar (lambda (row) - (if (listp row) - (cons (or (pop rownames) "") row) - row)) table) - table)) - -(defun org-babel-pick-name (names selector) - "Select one out of an alist of row or column names. -SELECTOR can be either a list of names in which case those names -will be returned directly, or an index into the list NAMES in -which case the indexed names will be return." - (if (listp selector) - selector - (when names - (if (and selector (symbolp selector) (not (equal t selector))) - (cdr (assoc selector names)) - (if (integerp selector) - (nth (- selector 1) names) - (cdr (car (last names)))))))) - -(defun org-babel-disassemble-tables (vars hlines colnames rownames) - "Parse tables for further processing. -Process the variables in VARS according to the HLINES, -ROWNAMES and COLNAMES header arguments. Return a list consisting -of the vars, cnames and rnames." - (let (cnames rnames) - (list - (mapcar - (lambda (var) - (when (listp (cdr var)) - (when (and (not (equal colnames "no")) - (or colnames (and (equal (nth 1 (cdr var)) 'hline) - (not (member 'hline (cddr (cdr var))))))) - (let ((both (org-babel-get-colnames (cdr var)))) - (setq cnames (cons (cons (car var) (cdr both)) - cnames)) - (setq var (cons (car var) (car both))))) - (when (and rownames (not (equal rownames "no"))) - (let ((both (org-babel-get-rownames (cdr var)))) - (setq rnames (cons (cons (car var) (cdr both)) - rnames)) - (setq var (cons (car var) (car both))))) - (when (and hlines (not (equal hlines "yes"))) - (setq var (cons (car var) (org-babel-del-hlines (cdr var)))))) - var) - vars) - (reverse cnames) (reverse rnames)))) - -(defun org-babel-reassemble-table (table colnames rownames) - "Add column and row names to a table. -Given a TABLE and set of COLNAMES and ROWNAMES add the names -to the table for reinsertion to org-mode." - (if (listp table) - ((lambda (table) - (if (and colnames (listp (car table)) (= (length (car table)) - (length colnames))) - (org-babel-put-colnames table colnames) table)) - (if (and rownames (= (length table) (length rownames))) - (org-babel-put-rownames table rownames) table)) - table)) - -(defun org-babel-where-is-src-block-head () - "Find where the current source block begins. -Return the point at the beginning of the current source -block. Specifically at the beginning of the #+BEGIN_SRC line. -If the point is not on a source block then return nil." - (let ((initial (point)) (case-fold-search t) top bottom) - (or - (save-excursion ;; on a source name line or a #+header line - (beginning-of-line 1) - (and (or (looking-at org-babel-src-name-regexp) - (looking-at org-babel-multi-line-header-regexp)) - (progn - (while (and (forward-line 1) - (or (looking-at org-babel-src-name-regexp) - (looking-at org-babel-multi-line-header-regexp)))) - (looking-at org-babel-src-block-regexp)) - (point))) - (save-excursion ;; on a #+begin_src line - (beginning-of-line 1) - (and (looking-at org-babel-src-block-regexp) - (point))) - (save-excursion ;; inside a src block - (and - (re-search-backward "^[ \t]*#\\+begin_src" nil t) (setq top (point)) - (re-search-forward "^[ \t]*#\\+end_src" nil t) (setq bottom (point)) - (< top initial) (< initial bottom) - (progn (goto-char top) (beginning-of-line 1) - (looking-at org-babel-src-block-regexp)) - (point)))))) - -;;;###autoload -(defun org-babel-goto-src-block-head () - "Go to the beginning of the current code block." - (interactive) - ((lambda (head) - (if head (goto-char head) (error "Not currently in a code block"))) - (org-babel-where-is-src-block-head))) - -;;;###autoload -(defun org-babel-goto-named-src-block (name) - "Go to a named source-code block." - (interactive - (let ((completion-ignore-case t) - (case-fold-search t) - (under-point (thing-at-point 'line))) - (list (org-icompleting-read - "source-block name: " (org-babel-src-block-names) nil t - (cond - ;; noweb - ((string-match (org-babel-noweb-wrap) under-point) - (let ((block-name (match-string 1 under-point))) - (string-match "[^(]*" block-name) - (match-string 0 block-name))) - ;; #+call: - ((string-match org-babel-lob-one-liner-regexp under-point) - (let ((source-info (car (org-babel-lob-get-info)))) - (if (string-match "^\\([^\\[]+?\\)\\(\\[.*\\]\\)?(" source-info) - (let ((source-name (match-string 1 source-info))) - source-name)))) - ;; #+results: - ((string-match (concat "#\\+" org-babel-results-keyword - "\\:\s+\\([^\\(]*\\)") under-point) - (match-string 1 under-point)) - ;; symbol-at-point - ((and (thing-at-point 'symbol)) - (org-babel-find-named-block (thing-at-point 'symbol)) - (thing-at-point 'symbol)) - ("")))))) - (let ((point (org-babel-find-named-block name))) - (if point - ;; taken from `org-open-at-point' - (progn (org-mark-ring-push) (goto-char point) (org-show-context)) - (message "source-code block '%s' not found in this buffer" name)))) - -(defun org-babel-find-named-block (name) - "Find a named source-code block. -Return the location of the source block identified by source -NAME, or nil if no such block exists. Set match data according to -org-babel-named-src-block-regexp." - (save-excursion - (let ((case-fold-search t) - (regexp (org-babel-named-src-block-regexp-for-name name)) msg) - (goto-char (point-min)) - (when (or (re-search-forward regexp nil t) - (re-search-backward regexp nil t)) - (match-beginning 0))))) - -(defun org-babel-src-block-names (&optional file) - "Returns the names of source blocks in FILE or the current buffer." - (save-excursion - (when file (find-file file)) (goto-char (point-min)) - (let ((case-fold-search t) names) - (while (re-search-forward org-babel-src-name-w-name-regexp nil t) - (setq names (cons (match-string 3) names))) - names))) - -;;;###autoload -(defun org-babel-goto-named-result (name) - "Go to a named result." - (interactive - (let ((completion-ignore-case t)) - (list (org-icompleting-read "source-block name: " - (org-babel-result-names) nil t)))) - (let ((point (org-babel-find-named-result name))) - (if point - ;; taken from `org-open-at-point' - (progn (goto-char point) (org-show-context)) - (message "result '%s' not found in this buffer" name)))) - -(defun org-babel-find-named-result (name &optional point) - "Find a named result. -Return the location of the result named NAME in the current -buffer or nil if no such result exists." - (save-excursion - (let ((case-fold-search t)) - (goto-char (or point (point-min))) - (catch 'is-a-code-block - (when (re-search-forward - (concat org-babel-result-regexp - "[ \t]" (regexp-quote name) "[ \t]*[\n\f\v\r]") nil t) - (when (and (string= "name" (downcase (match-string 1))) - (or (beginning-of-line 1) - (looking-at org-babel-src-block-regexp) - (looking-at org-babel-multi-line-header-regexp))) - (throw 'is-a-code-block (org-babel-find-named-result name (point)))) - (beginning-of-line 0) (point)))))) - -(defun org-babel-result-names (&optional file) - "Returns the names of results in FILE or the current buffer." - (save-excursion - (when file (find-file file)) (goto-char (point-min)) - (let ((case-fold-search t) names) - (while (re-search-forward org-babel-result-w-name-regexp nil t) - (setq names (cons (match-string 4) names))) - names))) - -;;;###autoload -(defun org-babel-next-src-block (&optional arg) - "Jump to the next source block. -With optional prefix argument ARG, jump forward ARG many source blocks." - (interactive "P") - (when (looking-at org-babel-src-block-regexp) (forward-char 1)) - (condition-case nil - (re-search-forward org-babel-src-block-regexp nil nil (or arg 1)) - (error (error "No further code blocks"))) - (goto-char (match-beginning 0)) (org-show-context)) - -;;;###autoload -(defun org-babel-previous-src-block (&optional arg) - "Jump to the previous source block. -With optional prefix argument ARG, jump backward ARG many source blocks." - (interactive "P") - (condition-case nil - (re-search-backward org-babel-src-block-regexp nil nil (or arg 1)) - (error (error "No previous code blocks"))) - (goto-char (match-beginning 0)) (org-show-context)) - -(defvar org-babel-load-languages) - -;;;###autoload -(defun org-babel-mark-block () - "Mark current src block." - (interactive) - ((lambda (head) - (when head - (save-excursion - (goto-char head) - (looking-at org-babel-src-block-regexp)) - (push-mark (match-end 5) nil t) - (goto-char (match-beginning 5)))) - (org-babel-where-is-src-block-head))) - -(defun org-babel-demarcate-block (&optional arg) - "Wrap or split the code in the region or on the point. -When called from inside of a code block the current block is -split. When called from outside of a code block a new code block -is created. In both cases if the region is demarcated and if the -region is not active then the point is demarcated." - (interactive "P") - (let ((info (org-babel-get-src-block-info 'light)) - (headers (progn (org-babel-where-is-src-block-head) - (match-string 4))) - (stars (concat (make-string (or (org-current-level) 1) ?*) " "))) - (if info - (mapc - (lambda (place) - (save-excursion - (goto-char place) - (let ((lang (nth 0 info)) - (indent (make-string (nth 5 info) ? ))) - (when (string-match "^[[:space:]]*$" - (buffer-substring (point-at-bol) - (point-at-eol))) - (delete-region (point-at-bol) (point-at-eol))) - (insert (concat - (if (looking-at "^") "" "\n") - indent "#+end_src\n" - (if arg stars indent) "\n" - indent "#+begin_src " lang - (if (> (length headers) 1) - (concat " " headers) headers) - (if (looking-at "[\n\r]") - "" - (concat "\n" (make-string (current-column) ? ))))))) - (move-end-of-line 2)) - (sort (if (org-region-active-p) (list (mark) (point)) (list (point))) #'>)) - (let ((start (point)) - (lang (org-icompleting-read "Lang: " - (mapcar (lambda (el) (symbol-name (car el))) - org-babel-load-languages))) - (body (delete-and-extract-region - (if (org-region-active-p) (mark) (point)) (point)))) - (insert (concat (if (looking-at "^") "" "\n") - (if arg (concat stars "\n") "") - "#+begin_src " lang "\n" - body - (if (or (= (length body) 0) - (string-match "[\r\n]$" body)) "" "\n") - "#+end_src\n")) - (goto-char start) (move-end-of-line 1))))) - -(defvar org-babel-lob-one-liner-regexp) -(defun org-babel-where-is-src-block-result (&optional insert info hash indent) - "Find where the current source block results begin. -Return the point at the beginning of the result of the current -source block. Specifically at the beginning of the results line. -If no result exists for this block then create a results line -following the source block." - (save-excursion - (let* ((case-fold-search t) - (on-lob-line (save-excursion - (beginning-of-line 1) - (looking-at org-babel-lob-one-liner-regexp))) - (inlinep (when (org-babel-get-inline-src-block-matches) - (match-end 0))) - (name (if on-lob-line - (mapconcat #'identity (butlast (org-babel-lob-get-info)) "") - (nth 4 (or info (org-babel-get-src-block-info 'light))))) - (head (unless on-lob-line (org-babel-where-is-src-block-head))) - found beg end) - (when head (goto-char head)) - (setq - found ;; was there a result (before we potentially insert one) - (or - inlinep - (and - ;; named results: - ;; - return t if it is found, else return nil - ;; - if it does not need to be rebuilt, then don't set end - ;; - if it does need to be rebuilt then do set end - name (setq beg (org-babel-find-named-result name)) - (prog1 beg - (when (and hash (not (string= hash (match-string 3)))) - (goto-char beg) (setq end beg) ;; beginning of result - (forward-line 1) - (delete-region end (org-babel-result-end)) nil))) - (and - ;; unnamed results: - ;; - return t if it is found, else return nil - ;; - if it is found, and the hash doesn't match, delete and set end - (or on-lob-line (re-search-forward "^[ \t]*#\\+end_src" nil t)) - (progn (end-of-line 1) - (if (eobp) (insert "\n") (forward-char 1)) - (setq end (point)) - (or (and (not name) - (progn ;; unnamed results line already exists - (re-search-forward "[^ \f\t\n\r\v]" nil t) - (beginning-of-line 1) - (looking-at - (concat org-babel-result-regexp "\n"))) - (prog1 (point) - ;; must remove and rebuild if hash!=old-hash - (if (and hash (not (string= hash (match-string 3)))) - (prog1 nil - (forward-line 1) - (delete-region - end (org-babel-result-end))) - (setq end nil))))))))) - (if (and insert end) - (progn - (goto-char end) - (unless beg - (if (looking-at "[\n\r]") (forward-char 1) (insert "\n"))) - (insert (concat - (if indent - (mapconcat - (lambda (el) " ") - (org-number-sequence 1 indent) "") - "") - "#+" org-babel-results-keyword - (when hash (concat "["hash"]")) - ":" - (when name (concat " " name)) "\n")) - (unless beg (insert "\n") (backward-char)) - (beginning-of-line 0) - (if hash (org-babel-hide-hash)) - (point)) - found)))) - -(defvar org-block-regexp) -(defun org-babel-read-result () - "Read the result at `point' into emacs-lisp." - (let ((case-fold-search t) result-string) - (cond - ((org-at-table-p) (org-babel-read-table)) - ((org-at-item-p) (org-babel-read-list)) - ((looking-at org-bracket-link-regexp) (org-babel-read-link)) - ((looking-at org-block-regexp) (org-babel-trim (match-string 4))) - ((looking-at "^[ \t]*: ") - (setq result-string - (org-babel-trim - (mapconcat (lambda (line) - (if (and (> (length line) 1) - (string-match "^[ \t]*: \\(.+\\)" line)) - (match-string 1 line) - line)) - (split-string - (buffer-substring - (point) (org-babel-result-end)) "[\r\n]+") - "\n"))) - (or (org-babel-number-p result-string) result-string)) - ((looking-at org-babel-result-regexp) - (save-excursion (forward-line 1) (org-babel-read-result)))))) - -(defun org-babel-read-table () - "Read the table at `point' into emacs-lisp." - (mapcar (lambda (row) - (if (and (symbolp row) (equal row 'hline)) row - (mapcar (lambda (el) (org-babel-read el 'inhibit-lisp-eval)) row))) - (org-table-to-lisp))) - -(defun org-babel-read-list () - "Read the list at `point' into emacs-lisp." - (mapcar (lambda (el) (org-babel-read el 'inhibit-lisp-eval)) - (mapcar #'cadr (cdr (org-list-parse-list))))) - -(defvar org-link-types-re) -(defun org-babel-read-link () - "Read the link at `point' into emacs-lisp. -If the path of the link is a file path it is expanded using -`expand-file-name'." - (let* ((case-fold-search t) - (raw (and (looking-at org-bracket-link-regexp) - (org-no-properties (match-string 1)))) - (type (and (string-match org-link-types-re raw) - (match-string 1 raw)))) - (cond - ((not type) (expand-file-name raw)) - ((string= type "file") - (and (string-match "file\\(.*\\):\\(.+\\)" raw) - (expand-file-name (match-string 2 raw)))) - (t raw)))) - -(defun org-babel-format-result (result &optional sep) - "Format RESULT for writing to file." - (let ((echo-res (lambda (r) (if (stringp r) r (format "%S" r))))) - (if (listp result) - ;; table result - (orgtbl-to-generic - result (list :sep (or sep "\t") :fmt echo-res)) - ;; scalar result - (funcall echo-res result)))) - -(defun org-babel-insert-result - (result &optional result-params info hash indent lang) - "Insert RESULT into the current buffer. -By default RESULT is inserted after the end of the -current source block. With optional argument RESULT-PARAMS -controls insertion of results in the org-mode file. -RESULT-PARAMS can take the following values: - -replace - (default option) insert results after the source block - replacing any previously inserted results - -silent -- no results are inserted - -file ---- the results are interpreted as a file path, and are - inserted into the buffer using the Org-mode file syntax - -list ---- the results are interpreted as an Org-mode list. - -raw ----- results are added directly to the Org-mode file. This - is a good option if you code block will output org-mode - formatted text. - -drawer -- results are added directly to the Org-mode file as with - \"raw\", but are wrapped in a RESULTS drawer, allowing - them to later be replaced or removed automatically. - -org ----- results are added inside of a \"#+BEGIN_SRC org\" block. - They are not comma-escaped when inserted, but Org syntax - here will be discarded when exporting the file. - -html ---- results are added inside of a #+BEGIN_HTML block. This - is a good option if you code block will output html - formatted text. - -latex --- results are added inside of a #+BEGIN_LATEX block. - This is a good option if you code block will output - latex formatted text. - -code ---- the results are extracted in the syntax of the source - code of the language being evaluated and are added - inside of a #+BEGIN_SRC block with the source-code - language set appropriately. Note this relies on the - optional LANG argument." - (if (stringp result) - (progn - (setq result (org-no-properties result)) - (when (member "file" result-params) - (setq result (org-babel-result-to-file - result (when (assoc :file-desc (nth 2 info)) - (or (cdr (assoc :file-desc (nth 2 info))) - result)))))) - (unless (listp result) (setq result (format "%S" result)))) - (if (and result-params (member "silent" result-params)) - (progn - (message (replace-regexp-in-string "%" "%%" (format "%S" result))) - result) - (save-excursion - (let* ((inlinep - (save-excursion - (when (or (org-babel-get-inline-src-block-matches) - (org-babel-get-lob-one-liner-matches)) - (goto-char (match-end 0)) - (insert (if (listp result) "\n" " ")) - (point)))) - (existing-result (unless inlinep - (org-babel-where-is-src-block-result - t info hash indent))) - (results-switches - (cdr (assoc :results_switches (nth 2 info)))) - beg end) - (when (and (stringp result) ; ensure results end in a newline - (not inlinep) - (> (length result) 0) - (not (or (string-equal (substring result -1) "\n") - (string-equal (substring result -1) "\r")))) - (setq result (concat result "\n"))) - (if (not existing-result) - (setq beg (or inlinep (point))) - (goto-char existing-result) - (save-excursion - (re-search-forward "#" nil t) - (setq indent (- (current-column) 1))) - (forward-line 1) - (setq beg (point)) - (cond - ((member "replace" result-params) - (delete-region (point) (org-babel-result-end))) - ((member "append" result-params) - (goto-char (org-babel-result-end)) (setq beg (point-marker))) - ((member "prepend" result-params)))) ; already there - (setq results-switches - (if results-switches (concat " " results-switches) "")) - (let ((wrap (lambda (start finish &optional escape) - (goto-char end) (insert (concat finish "\n")) - (goto-char beg) (insert (concat start "\n")) - (if escape (org-add-protective-commas (point) end)) - (goto-char end) (goto-char (point-at-eol)) - (setq end (point-marker)))) - (proper-list-p (lambda (it) (and (listp it) (null (cdr (last it))))))) - ;; insert results based on type - (cond - ;; do nothing for an empty result - ((null result)) - ;; insert a list if preferred - ((member "list" result-params) - (insert - (org-babel-trim - (org-list-to-generic - (cons 'unordered - (mapcar - (lambda (el) (list nil (if (stringp el) el (format "%S" el)))) - (if (listp result) result (list result)))) - '(:splicep nil :istart "- " :iend "\n"))) - "\n")) - ;; assume the result is a table if it's not a string - ((funcall proper-list-p result) - (goto-char beg) - (insert (concat (orgtbl-to-orgtbl - (if (or (eq 'hline (car result)) - (and (listp (car result)) - (listp (cdr (car result))))) - result (list result)) - '(:fmt (lambda (cell) (format "%s" cell)))) "\n")) - (goto-char beg) (when (org-at-table-p) (org-table-align))) - ((and (listp result) (not (funcall proper-list-p result))) - (insert (format "%s\n" result))) - ((member "file" result-params) - (when inlinep (goto-char inlinep)) - (insert result)) - (t (goto-char beg) (insert result))) - (when (funcall proper-list-p result) (goto-char (org-table-end))) - (setq end (point-marker)) - ;; possibly wrap result - (cond - ((assoc :wrap (nth 2 info)) - (let ((name (or (cdr (assoc :wrap (nth 2 info))) "RESULTS"))) - (funcall wrap (concat "#+BEGIN_" name) (concat "#+END_" name)))) - ((member "html" result-params) - (funcall wrap "#+BEGIN_HTML" "#+END_HTML")) - ((member "latex" result-params) - (funcall wrap "#+BEGIN_LaTeX" "#+END_LaTeX")) - ((member "org" result-params) - (funcall wrap "#+BEGIN_SRC org" "#+END_SRC" 'escape)) - ((member "code" result-params) - (funcall wrap (format "#+BEGIN_SRC %s%s" (or lang "none") results-switches) - "#+END_SRC")) - ((member "raw" result-params) - (goto-char beg) (if (org-at-table-p) (org-cycle))) - ((or (member "drawer" result-params) - ;; Stay backward compatible with <7.9.2 - (member "wrap" result-params)) - (funcall wrap ":RESULTS:" ":END:")) - ((and (not (funcall proper-list-p result)) - (not (member "file" result-params))) - (org-babel-examplize-region beg end results-switches) - (setq end (point))))) - ;; possibly indent the results to match the #+results line - (when (and (not inlinep) (numberp indent) indent (> indent 0) - ;; in this case `table-align' does the work for us - (not (and (listp result) - (member "append" result-params)))) - (indent-rigidly beg end indent)))) - (if (null result) - (if (member "value" result-params) - (message "Code block returned no value.") - (message "Code block produced no output.")) - (message "Code block evaluation complete.")))) - -(defun org-babel-remove-result (&optional info) - "Remove the result of the current source block." - (interactive) - (let ((location (org-babel-where-is-src-block-result nil info)) start) - (when location - (setq start (- location 1)) - (save-excursion - (goto-char location) (forward-line 1) - (delete-region start (org-babel-result-end)))))) - -(defun org-babel-result-end () - "Return the point at the end of the current set of results." - (save-excursion - (cond - ((org-at-table-p) (progn (goto-char (org-table-end)) (point))) - ((org-at-item-p) (let* ((struct (org-list-struct)) - (prvs (org-list-prevs-alist struct))) - (org-list-get-list-end (point-at-bol) struct prvs))) - ((let ((case-fold-search t)) (looking-at "^\\([ \t]*\\):results:")) - (progn (re-search-forward (concat "^" (match-string 1) ":END:")) - (forward-char 1) (point))) - (t - (let ((case-fold-search t)) - (if (looking-at (concat "[ \t]*#\\+begin_\\([^ \t\n\r]+\\)")) - (progn (re-search-forward (concat "[ \t]*#\\+end_" (match-string 1)) - nil t) - (forward-char 1)) - (while (looking-at "[ \t]*\\(: \\|\\[\\[\\)") - (forward-line 1)))) - (point))))) - -(defun org-babel-result-to-file (result &optional description) - "Convert RESULT into an `org-mode' link with optional DESCRIPTION. -If the `default-directory' is different from the containing -file's directory then expand relative links." - (when (stringp result) - (format "[[file:%s]%s]" - (if (and default-directory - buffer-file-name - (not (string= (expand-file-name default-directory) - (expand-file-name - (file-name-directory buffer-file-name))))) - (expand-file-name result default-directory) - result) - (if description (concat "[" description "]") "")))) - -(defvar org-babel-capitalize-examplize-region-markers nil - "Make true to capitalize begin/end example markers inserted by code blocks.") - -(defun org-babel-examplize-region (beg end &optional results-switches) - "Comment out region using the inline '==' or ': ' org example quote." - (interactive "*r") - (let ((chars-between (lambda (b e) - (not (string-match "^[\\s]*$" (buffer-substring b e))))) - (maybe-cap (lambda (str) (if org-babel-capitalize-examplize-region-markers - (upcase str) str)))) - (if (or (funcall chars-between (save-excursion (goto-char beg) (point-at-bol)) beg) - (funcall chars-between end (save-excursion (goto-char end) (point-at-eol)))) - (save-excursion - (goto-char beg) - (insert (format "=%s=" (prog1 (buffer-substring beg end) - (delete-region beg end))))) - (let ((size (count-lines beg end))) - (save-excursion - (cond ((= size 0)) ; do nothing for an empty result - ((< size org-babel-min-lines-for-block-output) - (goto-char beg) - (dotimes (n size) - (beginning-of-line 1) (insert ": ") (forward-line 1))) - (t - (goto-char beg) - (insert (if results-switches - (format "%s%s\n" - (funcall maybe-cap "#+begin_example") - results-switches) - (funcall maybe-cap "#+begin_example\n"))) - (if (markerp end) (goto-char end) (forward-char (- end beg))) - (insert (funcall maybe-cap "#+end_example\n"))))))))) - -(defun org-babel-update-block-body (new-body) - "Update the body of the current code block to NEW-BODY." - (if (not (org-babel-where-is-src-block-head)) - (error "Not in a source block") - (save-match-data - (replace-match (concat (org-babel-trim new-body) "\n") nil t nil 5)) - (indent-rigidly (match-beginning 5) (match-end 5) 2))) - -(defun org-babel-merge-params (&rest plists) - "Combine all parameter association lists in PLISTS. -Later elements of PLISTS override the values of previous elements. -This takes into account some special considerations for certain -parameters when merging lists." - (let* ((results-exclusive-groups - (mapcar (lambda (group) (mapcar #'symbol-name group)) - (cdr (assoc 'results org-babel-common-header-args-w-values)))) - (exports-exclusive-groups - (mapcar (lambda (group) (mapcar #'symbol-name group)) - (cdr (assoc 'exports org-babel-common-header-args-w-values)))) - (variable-index 0) - (e-merge (lambda (exclusive-groups &rest result-params) - ;; maintain exclusivity of mutually exclusive parameters - (let (output) - (mapc (lambda (new-params) - (mapc (lambda (new-param) - (mapc (lambda (exclusive-group) - (when (member new-param exclusive-group) - (mapcar (lambda (excluded-param) - (setq output - (delete - excluded-param - output))) - exclusive-group))) - exclusive-groups) - (setq output (org-uniquify - (cons new-param output)))) - new-params)) - result-params) - output))) - params results exports tangle noweb cache vars shebang comments padline) - - (mapc - (lambda (plist) - (mapc - (lambda (pair) - (case (car pair) - (:var - (let ((name (if (listp (cdr pair)) - (cadr pair) - (and (string-match "^\\([^= \f\t\n\r\v]+\\)[ \t]*=" - (cdr pair)) - (intern (match-string 1 (cdr pair))))))) - (if name - (setq vars - (append - (if (member name (mapcar #'car vars)) - (delq nil - (mapcar - (lambda (p) - (unless (equal (car p) name) p)) - vars)) - vars) - (list (cons name pair)))) - ;; if no name is given and we already have named variables - ;; then assign to named variables in order - (if (and vars (nth variable-index vars)) - (prog1 (setf (cddr (nth variable-index vars)) - (concat (symbol-name - (car (nth variable-index vars))) - "=" (cdr pair))) - (incf variable-index)) - (error "Variable \"%s\" must be assigned a default value" - (cdr pair)))))) - (:results - (setq results (funcall e-merge results-exclusive-groups - results - (split-string - (let ((r (cdr pair))) - (if (stringp r) r (eval r))))))) - (:file - (when (cdr pair) - (setq results (funcall e-merge results-exclusive-groups - results '("file"))) - (unless (or (member "both" exports) - (member "none" exports) - (member "code" exports)) - (setq exports (funcall e-merge exports-exclusive-groups - exports '("results")))) - (setq params (cons pair (assq-delete-all (car pair) params))))) - (:exports - (setq exports (funcall e-merge exports-exclusive-groups - exports (split-string (cdr pair))))) - (:tangle ;; take the latest -- always overwrite - (setq tangle (or (list (cdr pair)) tangle))) - (:noweb - (setq noweb (funcall e-merge - '(("yes" "no" "tangle" "no-export" - "strip-export" "eval")) - noweb - (split-string (or (cdr pair) ""))))) - (:cache - (setq cache (funcall e-merge '(("yes" "no")) cache - (split-string (or (cdr pair) ""))))) - (:padline - (setq padline (funcall e-merge '(("yes" "no")) padline - (split-string (or (cdr pair) ""))))) - (:shebang ;; take the latest -- always overwrite - (setq shebang (or (list (cdr pair)) shebang))) - (:comments - (setq comments (funcall e-merge '(("yes" "no")) comments - (split-string (or (cdr pair) ""))))) - (t ;; replace: this covers e.g. :session - (setq params (cons pair (assq-delete-all (car pair) params)))))) - plist)) - plists) - (setq vars (reverse vars)) - (while vars (setq params (cons (cons :var (cddr (pop vars))) params))) - (mapc - (lambda (hd) - (let ((key (intern (concat ":" (symbol-name hd)))) - (val (eval hd))) - (setf params (cons (cons key (mapconcat 'identity val " ")) params)))) - '(results exports tangle noweb padline cache shebang comments)) - params)) - -(defvar *org-babel-use-quick-and-dirty-noweb-expansion* nil - "Set to true to use regular expressions to expand noweb references. -This results in much faster noweb reference expansion but does -not properly allow code blocks to inherit the \":noweb-ref\" -header argument from buffer or subtree wide properties.") - -(defun org-babel-noweb-p (params context) - "Check if PARAMS require expansion in CONTEXT. -CONTEXT may be one of :tangle, :export or :eval." - (let* (intersect - (intersect (lambda (as bs) - (when as - (if (member (car as) bs) - (car as) - (funcall intersect (cdr as) bs)))))) - (funcall intersect (case context - (:tangle '("yes" "tangle" "no-export" "strip-export")) - (:eval '("yes" "no-export" "strip-export" "eval")) - (:export '("yes"))) - (split-string (or (cdr (assoc :noweb params)) ""))))) - -(defun org-babel-expand-noweb-references (&optional info parent-buffer) - "Expand Noweb references in the body of the current source code block. - -For example the following reference would be replaced with the -body of the source-code block named 'example-block'. - -<<example-block>> - -Note that any text preceding the <<foo>> construct on a line will -be interposed between the lines of the replacement text. So for -example if <<foo>> is placed behind a comment, then the entire -replacement text will also be commented. - -This function must be called from inside of the buffer containing -the source-code block which holds BODY. - -In addition the following syntax can be used to insert the -results of evaluating the source-code block named 'example-block'. - -<<example-block()>> - -Any optional arguments can be passed to example-block by placing -the arguments inside the parenthesis following the convention -defined by `org-babel-lob'. For example - -<<example-block(a=9)>> - -would set the value of argument \"a\" equal to \"9\". Note that -these arguments are not evaluated in the current source-code -block but are passed literally to the \"example-block\"." - (let* ((parent-buffer (or parent-buffer (current-buffer))) - (info (or info (org-babel-get-src-block-info))) - (lang (nth 0 info)) - (body (nth 1 info)) - (ob-nww-start org-babel-noweb-wrap-start) - (ob-nww-end org-babel-noweb-wrap-end) - (comment (string= "noweb" (cdr (assoc :comments (nth 2 info))))) - (rx-prefix (concat "\\(" org-babel-src-name-regexp "\\|" - ":noweb-ref[ \t]+" "\\)")) - (new-body "") - (nb-add (lambda (text) (setq new-body (concat new-body text)))) - (c-wrap (lambda (text) - (with-temp-buffer - (funcall (intern (concat lang "-mode"))) - (comment-region (point) (progn (insert text) (point))) - (org-babel-trim (buffer-string))))) - index source-name evaluate prefix blocks-in-buffer) - (with-temp-buffer - (org-set-local 'org-babel-noweb-wrap-start ob-nww-start) - (org-set-local 'org-babel-noweb-wrap-end ob-nww-end) - (insert body) (goto-char (point-min)) - (setq index (point)) - (while (and (re-search-forward (org-babel-noweb-wrap) nil t)) - (save-match-data (setf source-name (match-string 1))) - (save-match-data (setq evaluate (string-match "\(.*\)" source-name))) - (save-match-data - (setq prefix - (buffer-substring (match-beginning 0) - (save-excursion - (beginning-of-line 1) (point))))) - ;; add interval to new-body (removing noweb reference) - (goto-char (match-beginning 0)) - (funcall nb-add (buffer-substring index (point))) - (goto-char (match-end 0)) - (setq index (point)) - (funcall nb-add - (with-current-buffer parent-buffer - (save-restriction - (widen) - (mapconcat ;; interpose PREFIX between every line - #'identity - (split-string - (if evaluate - (let ((raw (org-babel-ref-resolve source-name))) - (if (stringp raw) raw (format "%S" raw))) - (or - ;; retrieve from the library of babel - (nth 2 (assoc (intern source-name) - org-babel-library-of-babel)) - ;; return the contents of headlines literally - (save-excursion - (when (org-babel-ref-goto-headline-id source-name) - (org-babel-ref-headline-body))) - ;; find the expansion of reference in this buffer - (let ((rx (concat rx-prefix source-name "[ \t\n]")) - expansion) - (save-excursion - (goto-char (point-min)) - (if *org-babel-use-quick-and-dirty-noweb-expansion* - (while (re-search-forward rx nil t) - (let* ((i (org-babel-get-src-block-info 'light)) - (body (org-babel-expand-noweb-references i)) - (sep (or (cdr (assoc :noweb-sep (nth 2 i))) - "\n")) - (full (if comment - ((lambda (cs) - (concat (funcall c-wrap (car cs)) "\n" - body "\n" - (funcall c-wrap (cadr cs)))) - (org-babel-tangle-comment-links i)) - body))) - (setq expansion (cons sep (cons full expansion))))) - (org-babel-map-src-blocks nil - (let ((i (org-babel-get-src-block-info 'light))) - (when (equal (or (cdr (assoc :noweb-ref (nth 2 i))) - (nth 4 i)) - source-name) - (let* ((body (org-babel-expand-noweb-references i)) - (sep (or (cdr (assoc :noweb-sep (nth 2 i))) - "\n")) - (full (if comment - ((lambda (cs) - (concat (funcall c-wrap (car cs)) "\n" - body "\n" - (funcall c-wrap (cadr cs)))) - (org-babel-tangle-comment-links i)) - body))) - (setq expansion - (cons sep (cons full expansion))))))))) - (and expansion - (mapconcat #'identity (nreverse (cdr expansion)) ""))) - ;; possibly raise an error if named block doesn't exist - (if (member lang org-babel-noweb-error-langs) - (error "%s" (concat - (org-babel-noweb-wrap source-name) - "could not be resolved (see " - "`org-babel-noweb-error-langs')")) - ""))) - "[\n\r]") (concat "\n" prefix)))))) - (funcall nb-add (buffer-substring index (point-max)))) - new-body)) - -(defun org-babel-strip-protective-commas (body &optional lang) - "Strip protective commas from bodies of source blocks." - (with-temp-buffer - (insert body) - (if (and lang (string= lang "org")) - (progn (goto-char (point-min)) - (while (re-search-forward "^[ \t]*\\(,\\)" nil t) - (replace-match "" nil nil nil 1))) - (org-strip-protective-commas (point-min) (point-max))) - (buffer-string))) - -(defun org-babel-script-escape (str &optional force) - "Safely convert tables into elisp lists." - (let (in-single in-double out) - ((lambda (escaped) (condition-case nil (org-babel-read escaped) (error escaped))) - (if (or force - (and (stringp str) - (> (length str) 2) - (or (and (string-equal "[" (substring str 0 1)) - (string-equal "]" (substring str -1))) - (and (string-equal "{" (substring str 0 1)) - (string-equal "}" (substring str -1))) - (and (string-equal "(" (substring str 0 1)) - (string-equal ")" (substring str -1)))))) - (org-babel-read - (concat - "'" - (progn - (mapc - (lambda (ch) - (setq - out - (case ch - (91 (if (or in-double in-single) ; [ - (cons 91 out) - (cons 40 out))) - (93 (if (or in-double in-single) ; ] - (cons 93 out) - (cons 41 out))) - (123 (if (or in-double in-single) ; { - (cons 123 out) - (cons 40 out))) - (125 (if (or in-double in-single) ; } - (cons 125 out) - (cons 41 out))) - (44 (if (or in-double in-single) ; , - (cons 44 out) (cons 32 out))) - (39 (if in-double ; ' - (cons 39 out) - (setq in-single (not in-single)) (cons 34 out))) - (34 (if in-single ; " - (append (list 34 32) out) - (setq in-double (not in-double)) (cons 34 out))) - (t (cons ch out))))) - (string-to-list str)) - (apply #'string (reverse out))))) - str)))) - -(defun org-babel-read (cell &optional inhibit-lisp-eval) - "Convert the string value of CELL to a number if appropriate. -Otherwise if cell looks like lisp (meaning it starts with a -\"(\", \"'\", \"`\" or a \"[\") then read it as lisp, otherwise -return it unmodified as a string. Optional argument NO-LISP-EVAL -inhibits lisp evaluation for situations in which is it not -appropriate." - (if (and (stringp cell) (not (equal cell ""))) - (or (org-babel-number-p cell) - (if (and (not inhibit-lisp-eval) - (member (substring cell 0 1) '("(" "'" "`" "["))) - (eval (read cell)) - (if (string= (substring cell 0 1) "\"") - (read cell) - (progn (set-text-properties 0 (length cell) nil cell) cell)))) - cell)) - -(defun org-babel-number-p (string) - "If STRING represents a number return its value." - (if (and (string-match "^-?[0-9]*\\.?[0-9]*$" string) - (= (length (substring string (match-beginning 0) - (match-end 0))) - (length string))) - (string-to-number string))) - -(defun org-babel-import-elisp-from-file (file-name &optional separator) - "Read the results located at FILE-NAME into an elisp table. -If the table is trivial, then return it as a scalar." - (let (result) - (save-window-excursion - (with-temp-buffer - (condition-case err - (progn - (org-table-import file-name separator) - (delete-file file-name) - (setq result (mapcar (lambda (row) - (mapcar #'org-babel-string-read row)) - (org-table-to-lisp)))) - (error (message "Error reading results: %s" err) nil))) - (if (null (cdr result)) ;; if result is trivial vector, then scalarize it - (if (consp (car result)) - (if (null (cdr (car result))) - (caar result) - result) - (car result)) - result)))) - -(defun org-babel-string-read (cell) - "Strip nested \"s from around strings." - (org-babel-read (or (and (stringp cell) - (string-match "\\\"\\(.+\\)\\\"" cell) - (match-string 1 cell)) - cell) t)) - -(defun org-babel-reverse-string (string) - "Return the reverse of STRING." - (apply 'string (reverse (string-to-list string)))) - -(defun org-babel-chomp (string &optional regexp) - "Strip trailing spaces and carriage returns from STRING. -Default regexp used is \"[ \f\t\n\r\v]\" but can be -overwritten by specifying a regexp as a second argument." - (let ((regexp (or regexp "[ \f\t\n\r\v]"))) - (while (and (> (length string) 0) - (string-match regexp (substring string -1))) - (setq string (substring string 0 -1))) - string)) - -(defun org-babel-trim (string &optional regexp) - "Strip leading and trailing spaces and carriage returns from STRING. -Like `org-babel-chomp' only it runs on both the front and back -of the string." - (org-babel-chomp (org-babel-reverse-string - (org-babel-chomp (org-babel-reverse-string string) regexp)) - regexp)) - -(defvar org-babel-org-babel-call-process-region-original nil) -(defun org-babel-tramp-handle-call-process-region - (start end program &optional delete buffer display &rest args) - "Use Tramp to handle `call-process-region'. -Fixes a bug in `tramp-handle-call-process-region'." - (if (and (featurep 'tramp) (file-remote-p default-directory)) - (let ((tmpfile (tramp-compat-make-temp-file ""))) - (write-region start end tmpfile) - (when delete (delete-region start end)) - (unwind-protect - ;; (apply 'call-process program tmpfile buffer display args) - ;; bug in tramp - (apply 'process-file program tmpfile buffer display args) - (delete-file tmpfile))) - ;; org-babel-call-process-region-original is the original emacs - ;; definition. It is in scope from the let binding in - ;; org-babel-execute-src-block - (apply org-babel-call-process-region-original - start end program delete buffer display args))) - -(defun org-babel-local-file-name (file) - "Return the local name component of FILE." - (if (file-remote-p file) - (let (localname) - (with-parsed-tramp-file-name file nil - localname)) - file)) - -(defun org-babel-process-file-name (name &optional no-quote-p) - "Prepare NAME to be used in an external process. -If NAME specifies a remote location, the remote portion of the -name is removed, since in that case the process will be executing -remotely. The file name is then processed by `expand-file-name'. -Unless second argument NO-QUOTE-P is non-nil, the file name is -additionally processed by `shell-quote-argument'" - ((lambda (f) (if no-quote-p f (shell-quote-argument f))) - (expand-file-name (org-babel-local-file-name name)))) - -(defvar org-babel-temporary-directory) -(unless (or noninteractive (boundp 'org-babel-temporary-directory)) - (defvar org-babel-temporary-directory - (or (and (boundp 'org-babel-temporary-directory) - (file-exists-p org-babel-temporary-directory) - org-babel-temporary-directory) - (make-temp-file "babel-" t)) - "Directory to hold temporary files created to execute code blocks. -Used by `org-babel-temp-file'. This directory will be removed on -Emacs shutdown.")) - -(defun org-babel-temp-file (prefix &optional suffix) - "Create a temporary file in the `org-babel-temporary-directory'. -Passes PREFIX and SUFFIX directly to `make-temp-file' with the -value of `temporary-file-directory' temporarily set to the value -of `org-babel-temporary-directory'." - (if (file-remote-p default-directory) - (make-temp-file - (concat (file-remote-p default-directory) - (expand-file-name - prefix temporary-file-directory) - nil suffix)) - (let ((temporary-file-directory - (or (and (boundp 'org-babel-temporary-directory) - (file-exists-p org-babel-temporary-directory) - org-babel-temporary-directory) - temporary-file-directory))) - (make-temp-file prefix nil suffix)))) - -(defun org-babel-remove-temporary-directory () - "Remove `org-babel-temporary-directory' on Emacs shutdown." - (when (and (boundp 'org-babel-temporary-directory) - (file-exists-p org-babel-temporary-directory)) - ;; taken from `delete-directory' in files.el - (condition-case nil - (progn - (mapc (lambda (file) - ;; This test is equivalent to - ;; (and (file-directory-p fn) (not (file-symlink-p fn))) - ;; but more efficient - (if (eq t (car (file-attributes file))) - (delete-directory file) - (delete-file file))) - ;; We do not want to delete "." and "..". - (directory-files org-babel-temporary-directory 'full - "^\\([^.]\\|\\.\\([^.]\\|\\..\\)\\).*")) - (delete-directory org-babel-temporary-directory)) - (error - (message "Failed to remove temporary Org-babel directory %s" - (if (boundp 'org-babel-temporary-directory) - org-babel-temporary-directory - "[directory not defined]")))))) - -(add-hook 'kill-emacs-hook 'org-babel-remove-temporary-directory) +(require 'ob-core) +(require 'ob-comint) +(require 'ob-exp) +(require 'ob-keys) +(require 'ob-table) +(require 'ob-lob) +(require 'ob-ref) +(require 'ob-tangle) (provide 'ob) - +;; Local variables: +;; generated-autoload-file: "org-loaddefs.el" +;; End: ;;; ob.el ends here |