doomemacs/core/autoload/message.el
Henrik Lissner 1e710e94e3
Minor refactors
+ cl-flet* -> cl-flet
+ refactor display-line-numbers-mode
2018-09-19 19:43:32 -04:00

87 lines
2.9 KiB
EmacsLisp

;;; core/autoload/message.el -*- lexical-binding: t; -*-
(defvar doom-ansi-alist
'(;; fx
(bold 1 :weight bold)
(dark 2)
(italic 3 :slant italic)
(underscore 4 :underline t)
(blink 5)
(rapid 6)
(contrary 7)
(concealed 8)
(strike 9 :strike-through t)
;; fg
(black 30 term-color-black)
(red 31 term-color-red)
(green 32 term-color-green)
(yellow 33 term-color-yellow)
(blue 34 term-color-blue)
(magenta 35 term-color-magenta)
(cyan 36 term-color-cyan)
(white 37 term-color-white)
;; bg
(on-black 40 term-color-black)
(on-red 41 term-color-red)
(on-green 42 term-color-green)
(on-yellow 43 term-color-yellow)
(on-blue 44 term-color-blue)
(on-magenta 45 term-color-magenta)
(on-cyan 46 term-color-cyan)
(on-white 47 term-color-white))
"TODO")
;;;###autoload
(defun doom-ansi-apply (style text)
"Apply CODE to formatted MESSAGE with ARGS. CODE is derived from any of
`doom-message-fg', `doom-message-bg' or `doom-message-fx'.
In a noninteractive session, this wraps the result in ansi color codes.
Otherwise, it maps colors to a term-color-* face."
(let ((code (cadr (assq style doom-ansi-alist))))
(if noninteractive
(format "\e[%dm%s\e[%dm"
(cadr (assq style doom-ansi-alist))
text 0)
(require 'term) ; piggyback on term's color faces
(propertize
text 'face
(append (get-text-property 0 'face text)
(cond ((>= code 40)
`(:background ,(caddr (assq style doom-ansi-alist))))
((>= code 30)
`(:foreground ,(face-foreground (caddr (assq style doom-ansi-alist)))))
((cddr (assq style doom-ansi-alist)))))))))
;;;###autoload
(defmacro format! (message &rest args)
"An alternative to `format' that understands (color ...) and converts them
into faces or ANSI codes depending on the type of sesssion we're in."
`(cl-flet
(,@(mapcar (lambda (rule) `(,(car rule)
(lambda (message)
(doom-ansi-apply ',(car rule) message))))
doom-ansi-alist)
(color
(lambda (code format)
(doom-ansi-apply code format))))
(format ,message ,@args)))
;;;###autoload
(defmacro print! (message &rest args)
"Uses `message' in interactive sessions and `princ' otherwise (prints to
standard out).
Can be colored using (color ...) blocks:
(print! \"Hello %s\" (bold (blue \"How are you?\")))
(print! \"Hello %s\" (red \"World\"))
(print! (green \"Great %s!\") \"success\")
Uses faces in interactive sessions and ANSI codes otherwise."
`(if (not noninteractive)
(message (format! ,message ,@args))
;; princ prints to stdout, message to stderr
(princ (format! ,message ,@args))
(terpri)))