53 lines
1.5 KiB
EmacsLisp
53 lines
1.5 KiB
EmacsLisp
;;; esv.el --- read the Bible from Emacs -*- lexical-binding:t -*-
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(defgroup esv nil
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"Read the Bible."
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:prefix "esv-"
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:group 'applications)
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(defcustom esv-columns 72
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"Length of each line output by `esv'."
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:type 'natnum
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:group 'esv)
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(defcustom esv-mode-hook nil
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"Hook run after entering `esv-mode'."
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:type 'hook
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:group 'esv)
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(defcustom esv-process "esv"
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"Name of the process created by `esv'."
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:type 'string
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:group 'esv)
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(defcustom esv-program "esv"
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"Path to or name of the program started by `esv'."
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:type 'string
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:group 'esv)
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(define-derived-mode esv-mode text-mode "ESV-Bible"
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"Major mode used for reading the Bible with `esv'."
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:group 'esv
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(read-only-mode))
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(defun esv (book verses)
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"Fetch the Bible passage identified by BOOK and VERSES.
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The result will be redirected to a buffer specified by `esv-buffer'."
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(interactive "MBook: \nMVerses: ")
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(let ((buffer (concat book " " verses)))
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(catch 'buffer-exists
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(when (get-buffer buffer)
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(message "Buffer `%s' already exists" buffer)
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(throw 'buffer-exists nil))
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;; execute esv
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(call-process esv-program nil buffer t
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;; arguments
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(format "-l%d" esv-columns) book verses)
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;; display buffer in another window
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(display-buffer buffer)
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;; move point to the beginning of the buffer
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(with-current-buffer buffer
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(esv-mode)
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(goto-char (point-min)))
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(set-window-start (get-buffer-window buffer) (point-min))
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t)))
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(provide 'esv)
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