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authorWilliam Carroll <wpcarro@gmail.com>2022-07-30T01·56-0700
committerclbot <clbot@tvl.fyi>2022-07-30T02·01+0000
commit8989dad5ed88d55e24d5f3047597053232068c11 (patch)
treee1d6115958321dabef838dd869611981071ffc85 /users/wpcarro/emacs/pkgs/string
parent7410928b5bddc12b488b102315260129565ed7ef (diff)
feat(wpcarro/emacs): Package string.el r/4347
Mostly just a wrapper around s.el (for now?). Eventually I'd like to prune the
dependency on dash.el (and maybe s.el).

Change-Id: I5c2ba256524bedd93fcd13933fdbd95b1ddff6f8
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6002
Reviewed-by: wpcarro <wpcarro@gmail.com>
Autosubmit: wpcarro <wpcarro@gmail.com>
Tested-by: BuildkiteCI
Diffstat (limited to 'users/wpcarro/emacs/pkgs/string')
-rw-r--r--users/wpcarro/emacs/pkgs/string/default.nix27
-rw-r--r--users/wpcarro/emacs/pkgs/string/string.el98
-rw-r--r--users/wpcarro/emacs/pkgs/string/tests.el22
3 files changed, 147 insertions, 0 deletions
diff --git a/users/wpcarro/emacs/pkgs/string/default.nix b/users/wpcarro/emacs/pkgs/string/default.nix
new file mode 100644
index 000000000000..406cccdfcb58
--- /dev/null
+++ b/users/wpcarro/emacs/pkgs/string/default.nix
@@ -0,0 +1,27 @@
+{ pkgs, depot, ... }:
+
+let
+  string = pkgs.callPackage
+    ({ emacsPackages }:
+      emacsPackages.trivialBuild {
+        pname = "string";
+        version = "1.0.0";
+        src = ./string.el;
+        packageRequires = [
+          emacsPackages.dash
+          emacsPackages.s
+        ];
+      })
+    { };
+
+  emacs = (pkgs.emacsPackagesFor pkgs.emacs28).emacsWithPackages (epkgs: [
+    string
+  ]);
+in
+string.overrideAttrs (_old: {
+  doCheck = true;
+  checkPhase = ''
+    ${emacs}/bin/emacs -batch \
+      -l ert -l ${./tests.el} -f ert-run-tests-batch-and-exit
+  '';
+})
diff --git a/users/wpcarro/emacs/pkgs/string/string.el b/users/wpcarro/emacs/pkgs/string/string.el
new file mode 100644
index 000000000000..30da1805e83f
--- /dev/null
+++ b/users/wpcarro/emacs/pkgs/string/string.el
@@ -0,0 +1,98 @@
+;;; string.el --- Library for working with strings -*- lexical-binding: t -*-
+
+;; Author: William Carroll <wpcarro@gmail.com>
+;; Version: 0.0.1
+;; Package-Requires: ((emacs "24"))
+
+;;; Commentary:
+;; Library for working with strings.
+
+;;; Code:
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Dependencies
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(require 's)
+(require 'dash)
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Library
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(defun string-split (y x)
+  "Map string X into a list of strings that were separated by Y."
+  (s-split y x))
+
+(defun string-format (x &rest args)
+  "Format template string X with ARGS."
+  (apply #'format (cons x args)))
+
+(defun string-concat (&rest strings)
+  "Joins `STRINGS' into onto string."
+  (apply #'s-concat strings))
+
+(defun string-to-symbol (string)
+  "Maps `STRING' to a symbol."
+  (intern string))
+
+(defun string-from-symbol (symbol)
+  "Maps `SYMBOL' into a string."
+  (symbol-name symbol))
+
+(defun string-prepend (prefix x)
+  "Prepend `PREFIX' onto `X'."
+  (s-concat prefix x))
+
+(defun string-append (postfix x)
+  "Appen `POSTFIX' onto `X'."
+  (s-concat x postfix))
+
+(defun string-surround (s x)
+  "Surrounds `X' one each side with `S'."
+  (->> x
+       (string-prepend s)
+       (string-append s)))
+
+;; TODO: Define a macro for defining a function and a test.
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Casing
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(defun string-caps->kebab (x)
+  "Change the casing of `X' from CAP_CASE to kebab-case."
+  (->> x
+       s-downcase
+       (s-replace "_" "-")))
+
+(defun string-kebab->caps (x)
+  "Change the casing of X from CAP_CASE to kebab-case."
+  (->> x
+       s-upcase
+       (s-replace "-" "_")))
+
+(defun string-lower->caps (x)
+  "Change the casing of X from lowercase to CAPS_CASE."
+  (->> x
+       s-upcase
+       (s-replace " " "_")))
+
+(defun string-lower->kebab (x)
+  "Change the casing of `X' from lowercase to kebab-case."
+  (s-replace " " "-" x))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Predicates
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(defun string-instance? (x)
+  "Return t if X is a string."
+  (stringp x))
+
+(defun string-contains? (c x)
+  "Return t if X is in C."
+  (s-contains? c x))
+
+(provide 'string)
+;;; string.el ends here
diff --git a/users/wpcarro/emacs/pkgs/string/tests.el b/users/wpcarro/emacs/pkgs/string/tests.el
new file mode 100644
index 000000000000..92290c6db803
--- /dev/null
+++ b/users/wpcarro/emacs/pkgs/string/tests.el
@@ -0,0 +1,22 @@
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Dependencies
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(require 'ert)
+(require 'string)
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Tests
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(ert-deftest string-caps->kebab ()
+  (string= "foo-bar-baz" (string-caps->kebab "FOO_BAR_BAZ")))
+
+(ert-deftest string-kebab->caps ()
+  (string= "FOO_BAR_BAZ" (string-kebab->caps "foo-bar-baz")))
+
+(ert-deftest string-lower->caps ()
+  (string= "FOO_BAR_BAZ" (string-lower->caps "foo bar baz")))
+
+(ert-deftest string-lower->kebab ()
+  (string= "foo-bar-baz" (string-lower->kebab "foo bar baz")))