6b456c1b7a
Currently paying the price of months of non-diligent git usage. Here's what has changed. - Theming support in Gvcci and wpgtk - Dropping support for i3 - Supporting EXWM - Many Elisp modules - Collapsed redundant directories in ./configs
126 lines
3.3 KiB
EmacsLisp
126 lines
3.3 KiB
EmacsLisp
;; string.el --- Library for working with strings -*- lexical-binding: t -*-
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;; Author: William Carroll <wpcarro@gmail.com>
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;;; Commentary:
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;; Library for working with string.
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;;; Code:
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Dependencies
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(require 's)
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(require 'dash)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Library
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Strings
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(defun string/hookify (x)
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"Append \"-hook\" to X."
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(s-append "-hook" x))
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(defun string/ensure-hookified (x)
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"Ensure that X has \"-hook\" appended to it."
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(if (s-ends-with? "-hook" x)
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x
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(string/hookify x)))
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(defun string/format (x &rest args)
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"Format template string X with ARGS."
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(apply #'format (cons x args)))
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(defun string/concat (&rest strings)
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"Joins `STRINGS' into onto string."
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(apply #'s-concat strings))
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(defun string/->symbol (string)
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"Maps `STRING' to a symbol."
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(intern string))
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(defun string/<-symbol (symbol)
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"Maps `SYMBOL' into a string."
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(symbol-name symbol))
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(defun string/prepend (prefix x)
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"Prepend `PREFIX' onto `X'."
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(s-concat prefix x))
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(defun string/append (postfix x)
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"Appen `POSTFIX' onto `X'."
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(s-concat x postfix))
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(defun string/surround (s x)
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"Surrounds `X' one each side with `S'."
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(->> x
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(string/prepend s)
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(string/append s)))
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;; TODO: Define a macro for defining a function and a test.
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Casing
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defun string/caps->kebab (x)
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"Change the casing of `X' from CAP_CASE to kebab-case."
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(->> x
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s-downcase
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(s-replace "_" "-")))
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(defun string/kebab->caps (x)
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"Change the casing of X from CAP_CASE to kebab-case."
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(->> x
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s-upcase
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(s-replace "-" "_")))
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(defun string/lower->caps (x)
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"Change the casing of X from lowercase to CAPS_CASE."
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(->> x
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s-upcase
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(s-replace " " "_")))
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(defun string/lower->kebab (x)
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"Change the casing of `X' from lowercase to kebab-case."
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(s-replace " " "-" x))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Predicates
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defun string/instance? (x)
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"Return t if X is a string."
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(stringp x))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Tests
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; TODO: Support these.
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;; (require 'macros)
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;; (macros/test
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;; :function string/surround
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;; :test "works as expected"
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;; :args '("-*-" "surround")
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;; :expect "-*-surround-*-"
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;; :equality string=)
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;
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;; (macros/test
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;; :function string/caps->kebab
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;; :test "works as expected"
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;; :args '("CAPS_CASE_STRING")
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;; :expect "caps-case-string"
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;; :equality string=)
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;
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;; ;; TODO: Generate :test from docs of defun.
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;; (macros/test
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;; :function string/kebab->caps
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;; :test "works as expected"
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;; :args '("kebab-case-string")
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;; :expect "KEBAB_CASE_STRING"
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;; :equality =)
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(provide 'string)
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;;; string.el ends here
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