mirror of
https://git.savannah.gnu.org/git/emacs/org-mode.git
synced 2024-07-15 19:46:26 +00:00
ecf3a4af2c
Add changes from Emacs repo that should have been backported with
bb77dd2.
Update copyright year to 2015
7e09ef09a479731d01b1ca46e94ddadd73ac98e3
Paul Eggert
Thu Jan 1 14:26:41 2015 -0800
420 lines
16 KiB
EmacsLisp
420 lines
16 KiB
EmacsLisp
;;; ob-lilypond.el --- org-babel functions for lilypond evaluation
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;; Copyright (C) 2010-2015 Free Software Foundation, Inc.
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;; Author: Martyn Jago
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;; Keywords: babel language, literate programming
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;; Homepage: http://orgmode.org/worg/org-contrib/babel/languages/ob-doc-lilypond.html
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Installation, ob-lilypond documentation, and examples are available at
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;; http://orgmode.org/worg/org-contrib/babel/languages/ob-doc-lilypond.html
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;;
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;; Lilypond documentation can be found at
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;; http://lilypond.org/manuals.html
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;;
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;; This depends on epstopdf --- See http://www.ctan.org/pkg/epstopdf.
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;;; Code:
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(require 'ob)
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(require 'outline)
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(defalias 'lilypond-mode 'LilyPond-mode)
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(add-to-list 'org-babel-tangle-lang-exts '("LilyPond" . "ly"))
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(defvar org-babel-default-header-args:lilypond '()
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"Default header arguments for lilypond code blocks.
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NOTE: The arguments are determined at lilypond compile time.
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See (org-babel-lilypond-set-header-args)")
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(defvar org-babel-lilypond-compile-post-tangle t
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"Following the org-babel-tangle (C-c C-v t) command,
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org-babel-lilypond-compile-post-tangle determines whether ob-lilypond should
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automatically attempt to compile the resultant tangled file.
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If the value is nil, no automated compilation takes place.
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Default value is t")
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(defvar org-babel-lilypond-display-pdf-post-tangle t
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"Following a successful LilyPond compilation
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org-babel-lilypond-display-pdf-post-tangle determines whether to automate the
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drawing / redrawing of the resultant pdf. If the value is nil,
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the pdf is not automatically redrawn. Default value is t")
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(defvar org-babel-lilypond-play-midi-post-tangle t
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"Following a successful LilyPond compilation
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org-babel-lilypond-play-midi-post-tangle determines whether to automate the
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playing of the resultant midi file. If the value is nil,
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the midi file is not automatically played. Default value is t")
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(defvar org-babel-lilypond-ly-command ""
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"Command to execute lilypond on your system.
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Do not set it directly. Customize `org-babel-lilypond-commands' instead.")
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(defvar org-babel-lilypond-pdf-command ""
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"Command to show a PDF file on your system.
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Do not set it directly. Customize `org-babel-lilypond-commands' instead.")
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(defvar org-babel-lilypond-midi-command ""
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"Command to play a MIDI file on your system.
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Do not set it directly. Customize `org-babel-lilypond-commands' instead.")
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(defcustom org-babel-lilypond-commands
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(cond
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((eq system-type 'darwin)
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'("/Applications/lilypond.app/Contents/Resources/bin/lilypond" "open" "open"))
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((eq system-type 'windows-nt)
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'("lilypond" "" ""))
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(t
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'("lilypond" "xdg-open" "xdg-open")))
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"Commands to run lilypond and view or play the results.
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These should be executables that take a filename as an argument.
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On some system it is possible to specify the filename directly
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and the viewer or player will be determined from the file type;
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you can leave the string empty on this case."
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:group 'org-babel
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:type '(list
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(string :tag "Lilypond ")
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(string :tag "PDF Viewer ")
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(string :tag "MIDI Player"))
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:version "24.3"
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:package-version '(Org . "8.2.7")
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:set
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(lambda (symbol value)
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(setq
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org-babel-lilypond-ly-command (nth 0 value)
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org-babel-lilypond-pdf-command (nth 1 value)
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org-babel-lilypond-midi-command (nth 2 value))))
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(defvar org-babel-lilypond-gen-png nil
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"Non-nil means image generation (PNG) is turned on by default.")
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(defvar org-babel-lilypond-gen-svg nil
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"Non-nil means image generation (SVG) is be turned on by default.")
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(defvar org-babel-lilypond-gen-html nil
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"Non-nil means HTML generation is turned on by default.")
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(defvar org-babel-lilypond-gen-pdf nil
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"Non-nil means PDF generation is be turned on by default.")
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(defvar org-babel-lilypond-use-eps nil
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"Non-nil forces the compiler to use the EPS backend.")
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(defvar org-babel-lilypond-arrange-mode nil
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"Non-nil turns Arrange mode on.
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In Arrange mode the following settings are altered from default:
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:tangle yes, :noweb yes
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:results silent :comments yes.
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In addition lilypond block execution causes tangling of all lilypond
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blocks.")
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(defun org-babel-expand-body:lilypond (body params)
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"Expand BODY according to PARAMS, return the expanded body."
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(let ((vars (mapcar #'cdr (org-babel-get-header params :var))))
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(mapc
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(lambda (pair)
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(let ((name (symbol-name (car pair)))
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(value (cdr pair)))
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(setq body
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(replace-regexp-in-string
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(concat "\$" (regexp-quote name))
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(if (stringp value) value (format "%S" value))
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body))))
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vars)
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body))
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(defun org-babel-execute:lilypond (body params)
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"This function is called by `org-babel-execute-src-block'.
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Depending on whether we are in arrange mode either:
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1. Attempt to execute lilypond block according to header settings
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(This is the default basic mode)
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2. Tangle all lilypond blocks and process the result (arrange mode)"
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(org-babel-lilypond-set-header-args org-babel-lilypond-arrange-mode)
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(if org-babel-lilypond-arrange-mode
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(org-babel-lilypond-tangle)
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(org-babel-lilypond-process-basic body params)))
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(defun org-babel-lilypond-tangle ()
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"ob-lilypond specific tangle, attempts to invoke
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=ly-execute-tangled-ly= if tangle is successful. Also passes
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specific arguments to =org-babel-tangle="
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(interactive)
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(if (org-babel-tangle nil "yes" "lilypond")
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(org-babel-lilypond-execute-tangled-ly) nil))
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(defun org-babel-lilypond-process-basic (body params)
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"Execute a lilypond block in basic mode."
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(let* ((result-params (cdr (assoc :result-params params)))
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(out-file (cdr (assoc :file params)))
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(cmdline (or (cdr (assoc :cmdline params))
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""))
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(in-file (org-babel-temp-file "lilypond-")))
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(with-temp-file in-file
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(insert (org-babel-expand-body:generic body params)))
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(org-babel-eval
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(concat
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org-babel-lilypond-ly-command
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" -dbackend=eps "
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"-dno-gs-load-fonts "
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"-dinclude-eps-fonts "
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(or (cdr (assoc (file-name-extension out-file)
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'(("pdf" . "--pdf ")
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("ps" . "--ps ")
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("png" . "--png "))))
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"--png ")
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"--output="
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(file-name-sans-extension out-file)
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" "
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cmdline
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in-file) "")) nil)
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(defun org-babel-prep-session:lilypond (session params)
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"Return an error because LilyPond exporter does not support sessions."
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(error "Sorry, LilyPond does not currently support sessions!"))
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(defun org-babel-lilypond-execute-tangled-ly ()
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"Compile result of block tangle with lilypond.
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If error in compilation, attempt to mark the error in lilypond org file"
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(when org-babel-lilypond-compile-post-tangle
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(let ((org-babel-lilypond-tangled-file (org-babel-lilypond-switch-extension
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(buffer-file-name) ".lilypond"))
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(org-babel-lilypond-temp-file (org-babel-lilypond-switch-extension
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(buffer-file-name) ".ly")))
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(if (not (file-exists-p org-babel-lilypond-tangled-file))
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(error "Error: Tangle Failed!")
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(when (file-exists-p org-babel-lilypond-temp-file)
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(delete-file org-babel-lilypond-temp-file))
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(rename-file org-babel-lilypond-tangled-file
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org-babel-lilypond-temp-file))
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(switch-to-buffer-other-window "*lilypond*")
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(erase-buffer)
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(org-babel-lilypond-compile-lilyfile org-babel-lilypond-temp-file)
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(goto-char (point-min))
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(if (org-babel-lilypond-check-for-compile-error org-babel-lilypond-temp-file)
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(error "Error in Compilation!")
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(other-window -1)
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(org-babel-lilypond-attempt-to-open-pdf org-babel-lilypond-temp-file)
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(org-babel-lilypond-attempt-to-play-midi org-babel-lilypond-temp-file)))))
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(defun org-babel-lilypond-compile-lilyfile (file-name &optional test)
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"Compile lilypond file and check for compile errors
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FILE-NAME is full path to lilypond (.ly) file"
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(message "Compiling LilyPond...")
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(let ((arg-1 org-babel-lilypond-ly-command) ;program
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(arg-2 nil) ;infile
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(arg-3 "*lilypond*") ;buffer
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(arg-4 t) ;display
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(arg-5 (if org-babel-lilypond-gen-png "--png" "")) ;&rest...
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(arg-6 (if org-babel-lilypond-gen-html "--html" ""))
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(arg-7 (if org-babel-lilypond-gen-pdf "--pdf" ""))
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(arg-8 (if org-babel-lilypond-use-eps "-dbackend=eps" ""))
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(arg-9 (if org-babel-lilypond-gen-svg "-dbackend=svg" ""))
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(arg-10 (concat "--output=" (file-name-sans-extension file-name)))
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(arg-11 file-name))
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(if test
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`(,arg-1 ,arg-2 ,arg-3 ,arg-4 ,arg-5 ,arg-6
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,arg-7 ,arg-8 ,arg-9 ,arg-10 ,arg-11)
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(call-process
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arg-1 arg-2 arg-3 arg-4 arg-5 arg-6
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arg-7 arg-8 arg-9 arg-10 arg-11))))
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(defun org-babel-lilypond-check-for-compile-error (file-name &optional test)
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"Check for compile error.
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This is performed by parsing the *lilypond* buffer
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containing the output message from the compilation.
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FILE-NAME is full path to lilypond file.
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If TEST is t just return nil if no error found, and pass
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nil as file-name since it is unused in this context"
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(let ((is-error (search-forward "error:" nil t)))
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(if test
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is-error
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(when is-error
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(org-babel-lilypond-process-compile-error file-name)))))
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(defun org-babel-lilypond-process-compile-error (file-name)
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"Process the compilation error that has occurred.
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FILE-NAME is full path to lilypond file"
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(let ((line-num (org-babel-lilypond-parse-line-num)))
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(let ((error-lines (org-babel-lilypond-parse-error-line file-name line-num)))
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(org-babel-lilypond-mark-error-line file-name error-lines)
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(error "Error: Compilation Failed!"))))
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(defun org-babel-lilypond-mark-error-line (file-name line)
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"Mark the erroneous lines in the lilypond org buffer.
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FILE-NAME is full path to lilypond file.
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LINE is the erroneous line"
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(switch-to-buffer-other-window
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(concat (file-name-nondirectory
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(org-babel-lilypond-switch-extension file-name ".org"))))
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(let ((temp (point)))
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(goto-char (point-min))
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(setq case-fold-search nil)
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(if (search-forward line nil t)
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(progn
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(show-all)
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(set-mark (point))
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(goto-char (- (point) (length line))))
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(goto-char temp))))
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(defun org-babel-lilypond-parse-line-num (&optional buffer)
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"Extract error line number."
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(when buffer
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(set-buffer buffer))
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(let ((start
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(and (search-backward ":" nil t)
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(search-backward ":" nil t)
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(search-backward ":" nil t)
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(search-backward ":" nil t)))
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(num nil))
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(if start
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(progn
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(forward-char)
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(let ((num (buffer-substring
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(+ 1 start)
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(- (search-forward ":" nil t) 1))))
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(setq num (string-to-number num))
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(if (numberp num)
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num
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nil)))
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nil)))
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(defun org-babel-lilypond-parse-error-line (file-name lineNo)
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"Extract the erroneous line from the tangled .ly file
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FILE-NAME is full path to lilypond file.
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LINENO is the number of the erroneous line"
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(with-temp-buffer
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(insert-file-contents (org-babel-lilypond-switch-extension file-name ".ly")
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nil nil nil t)
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(if (> lineNo 0)
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(progn
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(goto-char (point-min))
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(forward-line (- lineNo 1))
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(buffer-substring (point) (point-at-eol)))
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nil)))
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(defun org-babel-lilypond-attempt-to-open-pdf (file-name &optional test)
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"Attempt to display the generated pdf file
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FILE-NAME is full path to lilypond file
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If TEST is non-nil, the shell command is returned and is not run"
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(when org-babel-lilypond-display-pdf-post-tangle
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(let ((pdf-file (org-babel-lilypond-switch-extension file-name ".pdf")))
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(if (file-exists-p pdf-file)
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(let ((cmd-string
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(concat org-babel-lilypond-pdf-command " " pdf-file)))
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(if test
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cmd-string
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(start-process
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"\"Audition pdf\""
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"*lilypond*"
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org-babel-lilypond-pdf-command
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pdf-file)))
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(message "No pdf file generated so can't display!")))))
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(defun org-babel-lilypond-attempt-to-play-midi (file-name &optional test)
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"Attempt to play the generated MIDI file
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FILE-NAME is full path to lilypond file
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If TEST is non-nil, the shell command is returned and is not run"
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(when org-babel-lilypond-play-midi-post-tangle
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(let ((midi-file (org-babel-lilypond-switch-extension file-name ".midi")))
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(if (file-exists-p midi-file)
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(let ((cmd-string
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(concat org-babel-lilypond-midi-command " " midi-file)))
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(if test
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cmd-string
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(start-process
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"\"Audition midi\""
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"*lilypond*"
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org-babel-lilypond-midi-command
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midi-file)))
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(message "No midi file generated so can't play!")))))
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(defun org-babel-lilypond-toggle-midi-play ()
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"Toggle whether midi will be played following a successful compilation."
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(interactive)
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(setq org-babel-lilypond-play-midi-post-tangle
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(not org-babel-lilypond-play-midi-post-tangle))
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(message (concat "Post-Tangle MIDI play has been "
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(if org-babel-lilypond-play-midi-post-tangle
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"ENABLED." "DISABLED."))))
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(defun org-babel-lilypond-toggle-pdf-display ()
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"Toggle whether pdf will be displayed following a successful compilation."
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(interactive)
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(setq org-babel-lilypond-display-pdf-post-tangle
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(not org-babel-lilypond-display-pdf-post-tangle))
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(message (concat "Post-Tangle PDF display has been "
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(if org-babel-lilypond-display-pdf-post-tangle
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"ENABLED." "DISABLED."))))
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(defun org-babel-lilypond-toggle-png-generation ()
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"Toggle whether png image will be generated by compilation."
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(interactive)
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(setq org-babel-lilypond-gen-png (not org-babel-lilypond-gen-png))
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(message (concat "PNG image generation has been "
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(if org-babel-lilypond-gen-png "ENABLED." "DISABLED."))))
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(defun org-babel-lilypond-toggle-html-generation ()
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"Toggle whether html will be generated by compilation."
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(interactive)
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(setq org-babel-lilypond-gen-html (not org-babel-lilypond-gen-html))
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(message (concat "HTML generation has been "
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(if org-babel-lilypond-gen-html "ENABLED." "DISABLED."))))
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(defun org-babel-lilypond-toggle-pdf-generation ()
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"Toggle whether pdf will be generated by compilation."
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(interactive)
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(setq org-babel-lilypond-gen-pdf (not org-babel-lilypond-gen-pdf))
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(message (concat "PDF generation has been "
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(if org-babel-lilypond-gen-pdf "ENABLED." "DISABLED."))))
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(defun org-babel-lilypond-toggle-arrange-mode ()
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"Toggle whether in Arrange mode or Basic mode."
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(interactive)
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(setq org-babel-lilypond-arrange-mode
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(not org-babel-lilypond-arrange-mode))
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(message (concat "Arrange mode has been "
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(if org-babel-lilypond-arrange-mode "ENABLED." "DISABLED."))))
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(defun org-babel-lilypond-switch-extension (file-name ext)
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"Utility command to swap current FILE-NAME extension with EXT"
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(concat (file-name-sans-extension
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file-name) ext))
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(defun org-babel-lilypond-get-header-args (mode)
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"Default arguments to use when evaluating a lilypond
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source block. These depend upon whether we are in arrange
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mode i.e. ARRANGE-MODE is t"
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(cond (mode
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'((:tangle . "yes")
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(:noweb . "yes")
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(:results . "silent")
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(:cache . "yes")
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(:comments . "yes")))
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(t
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'((:results . "file")
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(:exports . "results")))))
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(defun org-babel-lilypond-set-header-args (mode)
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"Set org-babel-default-header-args:lilypond
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dependent on ORG-BABEL-LILYPOND-ARRANGE-MODE"
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(setq org-babel-default-header-args:lilypond
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(org-babel-lilypond-get-header-args mode)))
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(provide 'ob-lilypond)
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;;; ob-lilypond.el ends here
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