73 lines
2.5 KiB
EmacsLisp
73 lines
2.5 KiB
EmacsLisp
;;; timestring.el --- Quickly access timestamps in different formats -*- lexical-binding: t -*-
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;; Author: William Carroll <wpcarro@gmail.com>
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;; Version: 0.0.1
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;; Package-Requires: ((emacs "25.1"))
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;; Homepage: https://user.git.corp.google.com/wpcarro/briefcase
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;;; Commentary:
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;; I was making some API calls where a URL needed a `since` parameter that of an
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;; RFC 3339 encoded string.
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;;
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;; Because I didn't know what a RFC 3339 encoded
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;; string was at the time, and because I didn't know what its format was
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;; according to strftime, and because I'm most likely to forget both of these
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;; things by the next time that I need something similar, I decided to write
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;; this package so that I can accumulate a list of common time encodings.
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;;
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;; Thank you, Emacs.
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;;
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;; p.s. - I may turn this into a proper module and publish it. But not today.
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;;; Code:
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Dependencies
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(require 'ts)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Library
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defcustom timestring-supported-encodings
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'(("RFC 3339" . "%Y-%m-%dT%H:%M:%SZ")
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;; Does anyone recognize this format?
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("IDK" . "%Y-%m-%d %H:%M:%S %z"))
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"Mapping of encoding names to their format strings.")
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(defcustom timestring-supported-times
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'(("yesterday" . timestring--yesterday)
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("now" . ts-now)
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("tomorrow" . timestring--tomorrow))
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"Mapping of a labels to the functions that create those time objects.")
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(defun timestring--yesterday ()
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"Return a time object for yesterday."
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(ts-adjust 'day -1 (ts-now)))
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(defun timestring--tomorrow ()
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"Return a time object for yesterday."
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(ts-adjust 'day +1 (ts-now)))
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(defun timestring--completing-read (label xs)
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"Call `completing-read' with LABEL over the collection XS."
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(alist-get (completing-read label xs) xs nil nil #'equal))
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(defun timestring-copy-encoded-time ()
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"Select a common time and an encoding.
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The selected time will be encoded using the selected encoding and copied onto
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your clipboard."
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(interactive)
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(let ((time (funcall (timestring--completing-read
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"Time: " timestring-supported-times)))
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(fmt (timestring--completing-read
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"Encoding: " timestring-supported-encodings)))
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(kill-new (ts-format fmt time))
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(message "Copied!")))
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(provide 'timestring)
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;;; timestring.el ends here
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