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authormattkae <mattkae@protonmail.com>2022-06-07 08:23:47 -0400
committermattkae <mattkae@protonmail.com>2022-06-07 08:23:47 -0400
commitbd18a38c2898548a3664a9ddab9f79c84f2caf4a (patch)
tree95b9933376770381bd8859782ae763be81c2d72b /elpa/org-9.5.2/ob-gnuplot.el
parentb07628dddf418d4f47b858e6c35fd3520fbaeed2 (diff)
parentef160dea332af4b4fe5e2717b962936c67e5fe9e (diff)
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-;;; ob-gnuplot.el --- Babel Functions for Gnuplot -*- lexical-binding: t; -*-
-
-;; Copyright (C) 2009-2021 Free Software Foundation, Inc.
-
-;; Author: Eric Schulte
-;; Maintainer: Ihor Radchenko <yantar92@gmail.com>
-;; Keywords: literate programming, reproducible research
-;; Homepage: https://orgmode.org
-
-;; This file is part of GNU Emacs.
-
-;; GNU Emacs is free software: you can redistribute it and/or modify
-;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation, either version 3 of the License, or
-;; (at your option) any later version.
-
-;; GNU Emacs is distributed in the hope that it will be useful,
-;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-;; GNU General Public License for more details.
-
-;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
-
-;;; Commentary:
-
-;; Org-Babel support for evaluating gnuplot source code.
-;;
-;; This differs from most standard languages in that
-;;
-;; 1) we are generally only going to return results of type "file"
-;;
-;; 2) we are adding the "file" and "cmdline" header arguments
-
-;;; Requirements:
-
-;; - gnuplot :: https://www.gnuplot.info/
-;;
-;; - gnuplot-mode :: you can search the web for the latest active one.
-
-;;; Code:
-(require 'ob)
-(require 'org-macs)
-
-(declare-function org-time-string-to-time "org" (s))
-(declare-function orgtbl-to-generic "org-table" (table params))
-(declare-function gnuplot-mode "ext:gnuplot-mode" ())
-(declare-function gnuplot-send-string-to-gnuplot "ext:gnuplot-mode" (str txt))
-(declare-function gnuplot-send-buffer-to-gnuplot "ext:gnuplot-mode" ())
-
-(defvar org-babel-temporary-directory)
-
-(defvar org-babel-default-header-args:gnuplot
- '((:results . "file") (:exports . "results") (:session . nil))
- "Default arguments to use when evaluating a gnuplot source block.")
-
-(defvar org-babel-header-args:gnuplot
- '((title . :any)
- (lines . :any)
- (sets . :any)
- (x-labels . :any)
- (y-labels . :any)
- (timefmt . :any)
- (time-ind . :any)
- (missing . :any)
- (term . :any))
- "Gnuplot specific header args.")
-
-(defvar org-babel-gnuplot-timestamp-fmt nil) ; Dynamically scoped.
-
-(defvar *org-babel-gnuplot-missing* nil)
-
-(defcustom *org-babel-gnuplot-terms*
- '((eps . "postscript eps"))
- "List of file extensions and the associated gnuplot terminal."
- :group 'org-babel
- :type '(repeat (cons (symbol :tag "File extension")
- (string :tag "Gnuplot terminal"))))
-
-(defun org-babel-gnuplot-process-vars (params)
- "Extract variables from PARAMS and process the variables.
-Dumps all vectors into files and returns an association list
-of variable names and the related value to be used in the gnuplot
-code."
- (let ((*org-babel-gnuplot-missing* (cdr (assq :missing params))))
- (mapcar
- (lambda (pair)
- (cons
- (car pair) ;; variable name
- (let* ((val (cdr pair)) ;; variable value
- (lp (proper-list-p val)))
- (if lp
- (org-babel-gnuplot-table-to-data
- (let* ((first (car val))
- (tablep (or (listp first) (symbolp first))))
- (if tablep val (mapcar 'list val)))
- (org-babel-temp-file "gnuplot-") params)
- (if (and (stringp val)
- (file-remote-p val) ;; check if val is a remote file
- (file-exists-p val)) ;; call to file-exists-p is slow, maybe remove it
- (let* ((local-name (concat ;; create a unique filename to avoid multiple downloads
- org-babel-temporary-directory
- "/gnuplot/"
- (file-remote-p val 'host)
- (org-babel-local-file-name val))))
- (if (and (file-exists-p local-name) ;; only download file if remote is newer
- (file-newer-than-file-p local-name val))
- local-name
- (make-directory (file-name-directory local-name) t)
- (copy-file val local-name t)
- ))
- val
- )))))
- (org-babel--get-vars params))))
-
-(defun org-babel-expand-body:gnuplot (body params)
- "Expand BODY according to PARAMS, return the expanded body."
- (save-window-excursion
- (let* ((vars (org-babel-gnuplot-process-vars params))
- (out-file (cdr (assq :file params)))
- (prologue (cdr (assq :prologue params)))
- (epilogue (cdr (assq :epilogue params)))
- (term (or (cdr (assq :term params))
- (when out-file
- (let ((ext (file-name-extension out-file)))
- (or (cdr (assoc (intern (downcase ext))
- *org-babel-gnuplot-terms*))
- ext)))))
- (title (cdr (assq :title params)))
- (lines (cdr (assq :line params)))
- (sets (cdr (assq :set params)))
- (x-labels (cdr (assq :xlabels params)))
- (y-labels (cdr (assq :ylabels params)))
- (timefmt (cdr (assq :timefmt params)))
- (time-ind (or (cdr (assq :timeind params))
- (when timefmt 1)))
- (directory (and (buffer-file-name)
- (file-name-directory (buffer-file-name))))
- (add-to-body (lambda (text) (setq body (concat text "\n" body)))))
- ;; append header argument settings to body
- (when title (funcall add-to-body (format "set title '%s'" title)))
- (when lines (mapc (lambda (el) (funcall add-to-body el)) lines))
- (when sets
- (mapc (lambda (el) (funcall add-to-body (format "set %s" el))) sets))
- (when x-labels
- (funcall add-to-body
- (format "set xtics (%s)"
- (mapconcat (lambda (pair)
- (format "\"%s\" %d"
- (cdr pair) (car pair)))
- x-labels ", "))))
- (when y-labels
- (funcall add-to-body
- (format "set ytics (%s)"
- (mapconcat (lambda (pair)
- (format "\"%s\" %d"
- (cdr pair) (car pair)))
- y-labels ", "))))
- (when time-ind
- (funcall add-to-body "set xdata time")
- (funcall add-to-body (concat "set timefmt \""
- (or timefmt
- "%Y-%m-%d-%H:%M:%S") "\"")))
- (when out-file
- ;; set the terminal at the top of the block
- (funcall add-to-body (format "set output \"%s\"" out-file))
- ;; and close the terminal at the bottom of the block
- (setq body (concat body "\nset output\n")))
- (when term (funcall add-to-body (format "set term %s" term)))
- ;; insert variables into code body: this should happen last
- ;; placing the variables at the *top* of the code in case their
- ;; values are used later
- (funcall add-to-body
- (mapconcat #'identity
- (org-babel-variable-assignments:gnuplot params)
- "\n"))
- ;; replace any variable names preceded by '$' with the actual
- ;; value of the variable
- (mapc (lambda (pair)
- (setq body (replace-regexp-in-string
- (format "\\$%s" (car pair)) (cdr pair) body)))
- vars)
- (when prologue (funcall add-to-body prologue))
- (when epilogue (setq body (concat body "\n" epilogue)))
- ;; Setting the directory needs to be done first so that
- ;; subsequent 'output' directive goes to the right place.
- (when directory (funcall add-to-body (format "cd '%s'" directory))))
- body))
-
-(defun org-babel-execute:gnuplot (body params)
- "Execute a block of Gnuplot code.
-This function is called by `org-babel-execute-src-block'."
- (require 'gnuplot)
- (let ((session (cdr (assq :session params)))
- (result-type (cdr (assq :results params)))
- (body (org-babel-expand-body:gnuplot body params))
- output)
- (save-window-excursion
- ;; evaluate the code body with gnuplot
- (if (string= session "none")
- (let ((script-file (org-babel-temp-file "gnuplot-script-")))
- (with-temp-file script-file
- (insert (concat body "\n")))
- (message "gnuplot \"%s\"" script-file)
- (setq output
- (shell-command-to-string
- (format
- "gnuplot \"%s\""
- (org-babel-process-file-name
- script-file
- (if (member system-type '(cygwin windows-nt ms-dos))
- t nil)))))
- (message "%s" output))
- (with-temp-buffer
- (insert (concat body "\n"))
- (gnuplot-mode)
- (gnuplot-send-buffer-to-gnuplot)))
- (if (member "output" (split-string result-type))
- output
- nil)))) ;; signal that output has already been written to file
-
-(defun org-babel-prep-session:gnuplot (session params)
- "Prepare SESSION according to the header arguments in PARAMS."
- (let* ((session (org-babel-gnuplot-initiate-session session))
- (var-lines (org-babel-variable-assignments:gnuplot params)))
- (message "%S" session)
- (org-babel-comint-in-buffer session
- (dolist (var-line var-lines)
- (insert var-line)
- (comint-send-input nil t)
- (org-babel-comint-wait-for-output session)
- (sit-for .1)
- (goto-char (point-max))))
- session))
-
-(defun org-babel-load-session:gnuplot (session body params)
- "Load BODY into SESSION."
- (save-window-excursion
- (let ((buffer (org-babel-prep-session:gnuplot session params)))
- (with-current-buffer buffer
- (goto-char (process-mark (get-buffer-process (current-buffer))))
- (insert (org-babel-chomp body)))
- buffer)))
-
-(defun org-babel-variable-assignments:gnuplot (params)
- "Return list of gnuplot statements assigning the block's variables."
- (mapcar
- (lambda (pair) (format "%s = \"%s\"" (car pair) (cdr pair)))
- (org-babel-gnuplot-process-vars params)))
-
-(defvar gnuplot-buffer)
-(defun org-babel-gnuplot-initiate-session (&optional session _params)
- "Initiate a gnuplot session.
-If there is not a current inferior-process-buffer in SESSION
-then create one. Return the initialized session. The current
-`gnuplot-mode' doesn't provide support for multiple sessions."
- (require 'gnuplot)
- (unless (string= session "none")
- (save-window-excursion
- (gnuplot-send-string-to-gnuplot "" "line")
- gnuplot-buffer)))
-
-(defun org-babel-gnuplot-quote-timestamp-field (s)
- "Convert S from timestamp to Unix time and export to gnuplot."
- (format-time-string org-babel-gnuplot-timestamp-fmt
- (org-time-string-to-time s)))
-
-(defvar org-table-number-regexp)
-(defvar org-ts-regexp3)
-(defun org-babel-gnuplot-quote-tsv-field (s)
- "Quote S for export to gnuplot."
- (unless (stringp s)
- (setq s (format "%s" s)))
- (if (string-match org-table-number-regexp s) s
- (if (string-match org-ts-regexp3 s)
- (org-babel-gnuplot-quote-timestamp-field s)
- (if (zerop (length s))
- (or *org-babel-gnuplot-missing* s)
- (if (string-match "[ \"]" s)
- (concat "\"" (mapconcat 'identity (split-string s "\"") "\"\"")
- "\"")
- s)))))
-
-(defun org-babel-gnuplot-table-to-data (table data-file params)
- "Export TABLE to DATA-FILE in a format readable by gnuplot.
-Pass PARAMS through to `orgtbl-to-generic' when exporting TABLE."
- (with-temp-file data-file
- (insert (let ((org-babel-gnuplot-timestamp-fmt
- (or (plist-get params :timefmt) "%Y-%m-%d-%H:%M:%S")))
- (orgtbl-to-generic
- table
- (org-combine-plists
- '(:sep "\t" :fmt org-babel-gnuplot-quote-tsv-field :raw t :backend ascii)
- params)))))
- data-file)
-
-(provide 'ob-gnuplot)
-
-;;; ob-gnuplot.el ends here