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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-lilypond.el
parentb07628dddf418d4f47b858e6c35fd3520fbaeed2 (diff)
parentef160dea332af4b4fe5e2717b962936c67e5fe9e (diff)
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-;;; ob-lilypond.el --- Babel Functions for Lilypond -*- lexical-binding: t; -*-
-
-;; Copyright (C) 2010-2021 Free Software Foundation, Inc.
-
-;; Author: Martyn Jago
-;; Keywords: babel language, literate programming
-;; Homepage: https://orgmode.org/worg/org-contrib/babel/languages/ob-doc-lilypond.html
-
-;; 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:
-
-;; Installation, ob-lilypond documentation, and examples are available at
-;; https://orgmode.org/worg/org-contrib/babel/languages/ob-doc-lilypond.html
-;;
-;; Lilypond documentation can be found at
-;; https://lilypond.org/manuals.html
-;;
-;; This depends on epstopdf --- See https://www.ctan.org/pkg/epstopdf.
-
-;;; Code:
-(require 'ob)
-
-(declare-function org-show-all "org" (&optional types))
-
-(defalias 'lilypond-mode 'LilyPond-mode)
-
-(add-to-list 'org-babel-tangle-lang-exts '("LilyPond" . "ly"))
-
-(defvar org-babel-default-header-args:lilypond '()
- "Default header arguments for lilypond code blocks.
-NOTE: The arguments are determined at lilypond compile time.
-See `org-babel-lilypond-set-header-args'
-To configure, see `ob-lilypond-header-args'
-.")
-
-(defvar ob-lilypond-header-args
- '((:results . "file") (:exports . "results"))
- "User-configurable header arguments for lilypond code blocks.
-NOTE: The final value used by org-babel is computed at compile-time
-and stored in `org-babel-default-header-args:lilypond'
-See `org-babel-lilypond-set-header-args'.")
-
-(defvar org-babel-lilypond-compile-post-tangle t
- "Following the org-babel-tangle (C-c C-v t) command,
-org-babel-lilypond-compile-post-tangle determines whether ob-lilypond should
-automatically attempt to compile the resultant tangled file.
-If the value is nil, no automated compilation takes place.
-Default value is t.")
-
-(defvar org-babel-lilypond-display-pdf-post-tangle t
- "Following a successful LilyPond compilation
-org-babel-lilypond-display-pdf-post-tangle determines whether to automate the
-drawing / redrawing of the resultant pdf. If the value is nil,
-the pdf is not automatically redrawn. Default value is t.")
-
-(defvar org-babel-lilypond-play-midi-post-tangle t
- "Following a successful LilyPond compilation
-org-babel-lilypond-play-midi-post-tangle determines whether to automate the
-playing of the resultant midi file. If the value is nil,
-the midi file is not automatically played. Default value is t")
-
-(defvar org-babel-lilypond-ly-command ""
- "Command to execute lilypond on your system.
-Do not set it directly. Customize `org-babel-lilypond-commands' instead.")
-
-(defvar org-babel-lilypond-pdf-command ""
- "Command to show a PDF file on your system.
-Do not set it directly. Customize `org-babel-lilypond-commands' instead.")
-
-(defvar org-babel-lilypond-midi-command ""
- "Command to play a MIDI file on your system.
-Do not set it directly. Customize `org-babel-lilypond-commands' instead.")
-
-(defcustom org-babel-lilypond-commands
- (cond
- ((eq system-type 'darwin)
- '("/Applications/lilypond.app/Contents/Resources/bin/lilypond" "open" "open"))
- ((eq system-type 'windows-nt)
- '("lilypond" "" ""))
- (t
- '("lilypond" "xdg-open" "xdg-open")))
- "Commands to run lilypond and view or play the results.
-These should be executables that take a filename as an argument.
-On some system it is possible to specify the filename directly
-and the viewer or player will be determined from the file type;
-you can leave the string empty on this case."
- :group 'org-babel
- :type '(list
- (string :tag "Lilypond ")
- (string :tag "PDF Viewer ")
- (string :tag "MIDI Player"))
- :version "24.4"
- :package-version '(Org . "8.2.7")
- :set
- (lambda (symbol value)
- (set symbol value)
- (setq
- org-babel-lilypond-ly-command (nth 0 value)
- org-babel-lilypond-pdf-command (nth 1 value)
- org-babel-lilypond-midi-command (nth 2 value))))
-
-(defvar org-babel-lilypond-gen-png nil
- "Non-nil means image generation (PNG) is turned on by default.")
-
-(defvar org-babel-lilypond-gen-svg nil
- "Non-nil means image generation (SVG) is be turned on by default.")
-
-(defvar org-babel-lilypond-gen-html nil
- "Non-nil means HTML generation is turned on by default.")
-
-(defvar org-babel-lilypond-gen-pdf nil
- "Non-nil means PDF generation is be turned on by default.")
-
-(defvar org-babel-lilypond-use-eps nil
- "Non-nil forces the compiler to use the EPS backend.")
-
-(defvar org-babel-lilypond-arrange-mode nil
- "Non-nil turns Arrange mode on.
-In Arrange mode the following settings are altered from default:
-:tangle yes, :noweb yes
-:results silent :comments yes.
-In addition lilypond block execution causes tangling of all lilypond
-blocks.")
-
-(defun org-babel-expand-body:lilypond (body params)
- "Expand BODY according to PARAMS, return the expanded body."
- (let ((vars (org-babel--get-vars params)))
- (mapc
- (lambda (pair)
- (let ((name (symbol-name (car pair)))
- (value (cdr pair)))
- (setq body
- (replace-regexp-in-string
- (concat "$" (regexp-quote name))
- (if (stringp value) value (format "%S" value))
- body))))
- vars)
- body))
-
-(defun org-babel-execute:lilypond (body params)
- "This function is called by `org-babel-execute-src-block'.
-Depending on whether we are in arrange mode either:
-1. Attempt to execute lilypond block according to header settings
- (This is the default basic mode)
-2. Tangle all lilypond blocks and process the result (arrange mode)"
- (org-babel-lilypond-set-header-args org-babel-lilypond-arrange-mode)
- (if org-babel-lilypond-arrange-mode
- (org-babel-lilypond-tangle)
- (org-babel-lilypond-process-basic body params)))
-
-(defun org-babel-lilypond-tangle ()
- "ob-lilypond specific tangle, attempts to invoke
-=ly-execute-tangled-ly= if tangle is successful. Also passes
-specific arguments to =org-babel-tangle=."
- (interactive)
- (if (org-babel-tangle nil "yes" "lilypond")
- (org-babel-lilypond-execute-tangled-ly) nil))
-
-(defun org-babel-lilypond-process-basic (body params)
- "Execute a lilypond block in basic mode."
- (let* ((out-file (cdr (assq :file params)))
- (cmdline (or (cdr (assq :cmdline params))
- ""))
- (in-file (org-babel-temp-file "lilypond-")))
-
- (with-temp-file in-file
- (insert (org-babel-expand-body:generic body params)))
- (org-babel-eval
- (concat
- org-babel-lilypond-ly-command
- " -dbackend=eps "
- "-dno-gs-load-fonts "
- "-dinclude-eps-fonts "
- (or (cdr (assoc (file-name-extension out-file)
- '(("pdf" . "--pdf ")
- ("ps" . "--ps ")
- ("png" . "--png "))))
- "--png ")
- "--output="
- (file-name-sans-extension out-file)
- " "
- cmdline
- in-file) "")) nil)
-
-(defun org-babel-prep-session:lilypond (_session _params)
- "Return an error because LilyPond exporter does not support sessions."
- (error "Sorry, LilyPond does not currently support sessions!"))
-
-(defun org-babel-lilypond-execute-tangled-ly ()
- "Compile result of block tangle with lilypond.
-If error in compilation, attempt to mark the error in lilypond org file."
- (when org-babel-lilypond-compile-post-tangle
- (let ((org-babel-lilypond-tangled-file (org-babel-lilypond-switch-extension
- (buffer-file-name) ".lilypond"))
- (org-babel-lilypond-temp-file (org-babel-lilypond-switch-extension
- (buffer-file-name) ".ly")))
- (if (not (file-exists-p org-babel-lilypond-tangled-file))
- (error "Error: Tangle Failed!")
- (when (file-exists-p org-babel-lilypond-temp-file)
- (delete-file org-babel-lilypond-temp-file))
- (rename-file org-babel-lilypond-tangled-file
- org-babel-lilypond-temp-file))
- (org-switch-to-buffer-other-window "*lilypond*")
- (erase-buffer)
- (org-babel-lilypond-compile-lilyfile org-babel-lilypond-temp-file)
- (goto-char (point-min))
- (if (org-babel-lilypond-check-for-compile-error org-babel-lilypond-temp-file)
- (error "Error in Compilation!")
- (other-window -1)
- (org-babel-lilypond-attempt-to-open-pdf org-babel-lilypond-temp-file)
- (org-babel-lilypond-attempt-to-play-midi org-babel-lilypond-temp-file)))))
-
-(defun org-babel-lilypond-compile-lilyfile (file-name &optional test)
- "Compile lilypond file and check for compile errors.
-FILE-NAME is full path to lilypond (.ly) file."
- (message "Compiling LilyPond...")
- (let ((arg-1 org-babel-lilypond-ly-command) ;program
- ;; (arg-2 nil) ;infile
- (arg-3 "*lilypond*") ;buffer
- (arg-4 t) ;display
- (arg-5 (if org-babel-lilypond-gen-png "--png" "")) ;&rest...
- (arg-6 (if org-babel-lilypond-gen-html "--html" ""))
- (arg-7 (if org-babel-lilypond-gen-pdf "--pdf" ""))
- (arg-8 (if org-babel-lilypond-use-eps "-dbackend=eps" ""))
- (arg-9 (if org-babel-lilypond-gen-svg "-dbackend=svg" ""))
- (arg-10 (concat "--output=" (file-name-sans-extension file-name)))
- (arg-11 file-name))
- (if test
- `(,arg-1 ,nil ,arg-3 ,arg-4 ,arg-5 ,arg-6 ;; arg-2
- ,arg-7 ,arg-8 ,arg-9 ,arg-10 ,arg-11)
- (call-process
- arg-1 nil arg-3 arg-4 arg-5 arg-6 ;; arg-2
- arg-7 arg-8 arg-9 arg-10 arg-11))))
-
-(defun org-babel-lilypond-check-for-compile-error (file-name &optional test)
- "Check for compile error.
-This is performed by parsing the *lilypond* buffer
-containing the output message from the compilation.
-FILE-NAME is full path to lilypond file.
-If TEST is t just return nil if no error found, and pass
-nil as file-name since it is unused in this context."
- (let ((is-error (search-forward "error:" nil t)))
- (if test
- is-error
- (when is-error
- (org-babel-lilypond-process-compile-error file-name)))))
-
-(defun org-babel-lilypond-process-compile-error (file-name)
- "Process the compilation error that has occurred.
-FILE-NAME is full path to lilypond file."
- (let ((line-num (org-babel-lilypond-parse-line-num)))
- (let ((error-lines (org-babel-lilypond-parse-error-line file-name line-num)))
- (org-babel-lilypond-mark-error-line file-name error-lines)
- (error "Error: Compilation Failed!"))))
-
-(defun org-babel-lilypond-mark-error-line (file-name line)
- "Mark the erroneous lines in the lilypond org buffer.
-FILE-NAME is full path to lilypond file.
-LINE is the erroneous line."
- (org-switch-to-buffer-other-window
- (concat (file-name-nondirectory
- (org-babel-lilypond-switch-extension file-name ".org"))))
- (let ((temp (point)))
- (goto-char (point-min))
- (setq case-fold-search nil)
- (if (search-forward line nil t)
- (progn
- (org-show-all)
- (set-mark (point))
- (goto-char (- (point) (length line))))
- (goto-char temp))))
-
-(defun org-babel-lilypond-parse-line-num (&optional buffer)
- "Extract error line number."
- (when buffer (set-buffer buffer))
- (let ((start
- (and (search-backward ":" nil t)
- (search-backward ":" nil t)
- (search-backward ":" nil t)
- (search-backward ":" nil t))))
- (when start
- (forward-char)
- (let ((num (string-to-number
- (buffer-substring
- (+ 1 start)
- (- (search-forward ":" nil t) 1)))))
- (and (numberp num) num)))))
-
-(defun org-babel-lilypond-parse-error-line (file-name lineNo)
- "Extract the erroneous line from the tangled .ly file.
-FILE-NAME is full path to lilypond file.
-LINENO is the number of the erroneous line."
- (with-temp-buffer
- (insert-file-contents (org-babel-lilypond-switch-extension file-name ".ly")
- nil nil nil t)
- (if (> lineNo 0)
- (progn
- (goto-char (point-min))
- (forward-line (- lineNo 1))
- (buffer-substring (point) (point-at-eol)))
- nil)))
-
-(defun org-babel-lilypond-attempt-to-open-pdf (file-name &optional test)
- "Attempt to display the generated pdf file.
-FILE-NAME is full path to lilypond file.
-If TEST is non-nil, the shell command is returned and is not run."
- (when org-babel-lilypond-display-pdf-post-tangle
- (let ((pdf-file (org-babel-lilypond-switch-extension file-name ".pdf")))
- (if (file-exists-p pdf-file)
- (let ((cmd-string
- (concat org-babel-lilypond-pdf-command " " pdf-file)))
- (if test
- cmd-string
- (start-process
- "\"Audition pdf\""
- "*lilypond*"
- org-babel-lilypond-pdf-command
- pdf-file)))
- (message "No pdf file generated so can't display!")))))
-
-(defun org-babel-lilypond-attempt-to-play-midi (file-name &optional test)
- "Attempt to play the generated MIDI file.
-FILE-NAME is full path to lilypond file.
-If TEST is non-nil, the shell command is returned and is not run."
- (when org-babel-lilypond-play-midi-post-tangle
- (let* ((ext (if (eq system-type 'windows-nt)
- ".mid" ".midi"))
- (midi-file (org-babel-lilypond-switch-extension file-name ext)))
- (if (file-exists-p midi-file)
- (let ((cmd-string
- (concat org-babel-lilypond-midi-command " " midi-file)))
- (if test
- cmd-string
- (start-process
- "\"Audition midi\""
- "*lilypond*"
- org-babel-lilypond-midi-command
- midi-file)))
- (message "No midi file generated so can't play!")))))
-
-(defun org-babel-lilypond-toggle-midi-play ()
- "Toggle whether midi will be played following a successful compilation."
- (interactive)
- (setq org-babel-lilypond-play-midi-post-tangle
- (not org-babel-lilypond-play-midi-post-tangle))
- (message (concat "Post-Tangle MIDI play has been "
- (if org-babel-lilypond-play-midi-post-tangle
- "ENABLED." "DISABLED."))))
-
-(defun org-babel-lilypond-toggle-pdf-display ()
- "Toggle whether pdf will be displayed following a successful compilation."
- (interactive)
- (setq org-babel-lilypond-display-pdf-post-tangle
- (not org-babel-lilypond-display-pdf-post-tangle))
- (message (concat "Post-Tangle PDF display has been "
- (if org-babel-lilypond-display-pdf-post-tangle
- "ENABLED." "DISABLED."))))
-
-(defun org-babel-lilypond-toggle-png-generation ()
- "Toggle whether png image will be generated by compilation."
- (interactive)
- (setq org-babel-lilypond-gen-png (not org-babel-lilypond-gen-png))
- (message (concat "PNG image generation has been "
- (if org-babel-lilypond-gen-png "ENABLED." "DISABLED."))))
-
-(defun org-babel-lilypond-toggle-html-generation ()
- "Toggle whether html will be generated by compilation."
- (interactive)
- (setq org-babel-lilypond-gen-html (not org-babel-lilypond-gen-html))
- (message (concat "HTML generation has been "
- (if org-babel-lilypond-gen-html "ENABLED." "DISABLED."))))
-
-(defun org-babel-lilypond-toggle-pdf-generation ()
- "Toggle whether pdf will be generated by compilation."
- (interactive)
- (setq org-babel-lilypond-gen-pdf (not org-babel-lilypond-gen-pdf))
- (message (concat "PDF generation has been "
- (if org-babel-lilypond-gen-pdf "ENABLED." "DISABLED."))))
-
-(defun org-babel-lilypond-toggle-arrange-mode ()
- "Toggle whether in Arrange mode or Basic mode."
- (interactive)
- (setq org-babel-lilypond-arrange-mode
- (not org-babel-lilypond-arrange-mode))
- (message (concat "Arrange mode has been "
- (if org-babel-lilypond-arrange-mode "ENABLED." "DISABLED."))))
-
-(defun org-babel-lilypond-switch-extension (file-name ext)
- "Utility command to swap current FILE-NAME extension with EXT."
- (concat (file-name-sans-extension
- file-name)
- ext))
-
-(defun org-babel-lilypond-get-header-args (mode)
- "Default arguments to use when evaluating a lilypond source block.
-These depend upon whether we are in Arrange mode i.e. MODE is t."
- (cond (mode
- '((:tangle . "yes")
- (:noweb . "yes")
- (:results . "silent")
- (:cache . "yes")
- (:comments . "yes")))
- (t
- ob-lilypond-header-args)))
-
-(defun org-babel-lilypond-set-header-args (mode)
- "Set org-babel-default-header-args:lilypond
-dependent on ORG-BABEL-LILYPOND-ARRANGE-MODE."
- (setq org-babel-default-header-args:lilypond
- (org-babel-lilypond-get-header-args mode)))
-
-(provide 'ob-lilypond)
-
-;;; ob-lilypond.el ends here