mirror of
https://git.savannah.gnu.org/git/emacs/org-mode.git
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ecd0562c5f
I started from the 78ec8e commit then cherry-picked and squashed commits that have been done in master since then, except the bad commits that overwrote the tree (in master) with the tree in maint. This commit also bumps the version number to 7.8.06. The only "fix" that was made between 78ec8e and the previous commit is e0072f which has been reported to break stuff.
475 lines
15 KiB
EmacsLisp
475 lines
15 KiB
EmacsLisp
;;; ob-lilypond.el --- org-babel functions for lilypond evaluation
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;; Copyright (C) 2010-2012 Free Software Foundation, Inc.
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;; Author: Martyn Jago
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;; Keywords: babel language, literate programming, music score
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;; Homepage: https://github.com/mjago/ob-lilypond
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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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;;; Code:
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(require 'ob)
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(require 'ob-eval)
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(require 'ob-tangle)
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(defalias 'lilypond-mode 'LilyPond-mode)
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(declare-function show-all "outline" ())
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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 (ly-set-header-args)")
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(defconst ly-version "7.6"
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"The version number of the file ob-lilypond.el.")
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(defvar ly-compile-post-tangle t
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"Following the org-babel-tangle (C-c C-v t) command,
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ly-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 ly-display-pdf-post-tangle t
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"Following a successful LilyPond compilation
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ly-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 ly-play-midi-post-tangle t
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"Following a successful LilyPond compilation
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ly-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 ly-OSX-ly-path
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"/Applications/lilypond.app/Contents/Resources/bin/lilypond")
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(defvar ly-OSX-pdf-path "open")
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(defvar ly-OSX-midi-path "open")
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(defvar ly-nix-ly-path "/usr/bin/lilypond")
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(defvar ly-nix-pdf-path "evince")
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(defvar ly-nix-midi-path "timidity")
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(defvar ly-win32-ly-path "lilypond")
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(defvar ly-win32-pdf-path "")
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(defvar ly-win32-midi-path "")
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(defvar ly-gen-png nil
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"Image generation (png) can be turned on by default by setting
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LY-GEN-PNG to t")
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(defvar ly-gen-svg nil
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"Image generation (SVG) can be turned on by default by setting
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LY-GEN-SVG to t")
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(defvar ly-gen-html nil
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"HTML generation can be turned on by default by setting
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LY-GEN-HTML to t")
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(defvar ly-gen-pdf nil
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"PDF generation can be turned on by default by setting
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LY-GEN-PDF to t")
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(defvar ly-use-eps nil
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"You can force the compiler to use the EPS backend by setting
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LY-USE-EPS to t")
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(defvar ly-arrange-mode nil
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"Arrange mode is turned on by setting LY-ARRANGE-MODE
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to t. In Arrange mode the following settings are altered
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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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(ly-set-header-args ly-arrange-mode)
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(if ly-arrange-mode
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(ly-tangle)
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(ly-process-basic body params)))
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(defun ly-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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(ly-execute-tangled-ly) nil))
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(defun ly-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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(ly-determine-ly-path)
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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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"--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) "")
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) 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 ly-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 ly-compile-post-tangle
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(let ((ly-tangled-file (ly-switch-extension
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(buffer-file-name) ".lilypond"))
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(ly-temp-file (ly-switch-extension
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(buffer-file-name) ".ly")))
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(if (file-exists-p ly-tangled-file)
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(progn
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(when (file-exists-p ly-temp-file)
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(delete-file ly-temp-file))
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(rename-file ly-tangled-file
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ly-temp-file))
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(error "Error: Tangle Failed!") t)
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(switch-to-buffer-other-window "*lilypond*")
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(erase-buffer)
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(ly-compile-lilyfile ly-temp-file)
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(goto-char (point-min))
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(if (not (ly-check-for-compile-error ly-temp-file))
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(progn
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(other-window -1)
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(ly-attempt-to-open-pdf ly-temp-file)
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(ly-attempt-to-play-midi ly-temp-file))
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(error "Error in Compilation!")))) nil)
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(defun ly-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 (ly-determine-ly-path)) ;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-4 t) ;display
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(arg-5 (if ly-gen-png "--png" "")) ;&rest...
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(arg-6 (if ly-gen-html "--html" ""))
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(arg-7 (if ly-gen-pdf "--pdf" ""))
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(arg-8 (if ly-use-eps "-dbackend=eps" ""))
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(arg-9 (if ly-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 ly-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 (not test)
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(if (not is-error)
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nil
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(ly-process-compile-error file-name))
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is-error)))
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(defun ly-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 (ly-parse-line-num)))
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(let ((error-lines (ly-parse-error-line file-name line-num)))
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(ly-mark-error-line file-name error-lines)
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(error "Error: Compilation Failed!"))))
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(defun ly-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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(ly-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 ly-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 ly-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 (ly-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 ly-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 ly-display-pdf-post-tangle
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(let ((pdf-file (ly-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 (ly-determine-pdf-path) " " 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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(ly-determine-pdf-path)
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pdf-file)))
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(message "No pdf file generated so can't display!")))))
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(defun ly-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 ly-play-midi-post-tangle
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(let ((midi-file (ly-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 (ly-determine-midi-path) " " 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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(ly-determine-midi-path)
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midi-file)))
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(message "No midi file generated so can't play!")))))
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(defun ly-determine-ly-path (&optional test)
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"Return correct path to ly binary depending on OS
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If TEST is non-nil, it contains a simulation of the OS for test purposes"
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(let ((sys-type
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(or test system-type)))
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(cond ((string= sys-type "darwin")
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ly-OSX-ly-path)
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((string= sys-type "win32")
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ly-win32-ly-path)
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(t ly-nix-ly-path))))
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(defun ly-determine-pdf-path (&optional test)
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"Return correct path to pdf viewer depending on OS
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If TEST is non-nil, it contains a simulation of the OS for test purposes"
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(let ((sys-type
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(or test system-type)))
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(cond ((string= sys-type "darwin")
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ly-OSX-pdf-path)
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((string= sys-type "win32")
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ly-win32-pdf-path)
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(t ly-nix-pdf-path))))
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(defun ly-determine-midi-path (&optional test)
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"Return correct path to midi player depending on OS
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If TEST is non-nil, it contains a simulation of the OS for test purposes"
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(let ((sys-type
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(or test test system-type)))
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(cond ((string= sys-type "darwin")
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ly-OSX-midi-path)
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((string= sys-type "win32")
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ly-win32-midi-path)
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(t ly-nix-midi-path))))
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(defun ly-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 ly-play-midi-post-tangle
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(not ly-play-midi-post-tangle))
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(message (concat "Post-Tangle MIDI play has been "
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(if ly-play-midi-post-tangle
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"ENABLED." "DISABLED."))))
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(defun ly-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 ly-display-pdf-post-tangle
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(not ly-display-pdf-post-tangle))
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(message (concat "Post-Tangle PDF display has been "
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(if ly-display-pdf-post-tangle
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"ENABLED." "DISABLED."))))
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(defun ly-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 ly-gen-png
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(not ly-gen-png))
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(message (concat "PNG image generation has been "
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(if ly-gen-png "ENABLED." "DISABLED."))))
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(defun ly-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 ly-gen-html
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(not ly-gen-html))
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(message (concat "HTML generation has been "
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(if ly-gen-html "ENABLED." "DISABLED."))))
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(defun ly-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 ly-gen-pdf
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(not ly-gen-pdf))
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(message (concat "PDF generation has been "
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(if ly-gen-pdf "ENABLED." "DISABLED."))))
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(defun ly-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 ly-arrange-mode
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(not ly-arrange-mode))
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(message (concat "Arrange mode has been "
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(if ly-arrange-mode "ENABLED." "DISABLED."))))
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(defun ly-version (&optional insert-at-point)
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(interactive)
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(let ((version (format "ob-lilypond version %s" ly-version)))
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(when insert-at-point (insert version))
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(message version)))
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(defun ly-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 ly-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 ly-set-header-args (mode)
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"Set org-babel-default-header-args:lilypond
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dependent on LY-ARRANGE-MODE"
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(setq org-babel-default-header-args:lilypond
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(ly-get-header-args mode)))
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(provide 'ob-lilypond)
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;;; ob-lilypond.el ends here
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