diff options
| author | Andrew Patterson <andrewpatt7@gmail.com> | 2023-04-12 23:40:59 -0400 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2023-05-11 16:38:27 +0200 |
| commit | 8d442e8a53b8ef3727252425afe2cfb922f51368 (patch) | |
| tree | a0ed31d5ccd6b309ee494b635cfdda182fbbc5f6 /gnu/home | |
| parent | ef0aa7ff8b54041ae6718c0d77c1de69a3175231 (diff) | |
gnu: home: services: fontutils: Add support for SXML fragments.
* gnu/home/services/fontutils.scm (add-fontconfig-config-file): Add
support for adding arbitrary SXML configuration into fonts.conf;
* doc/guix.texi (Fonts Services): Update the documentation.
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
Diffstat (limited to 'gnu/home')
| -rw-r--r-- | gnu/home/services/fontutils.scm | 38 |
1 files changed, 30 insertions, 8 deletions
diff --git a/gnu/home/services/fontutils.scm b/gnu/home/services/fontutils.scm index 3399cb7ec8..0e60bc2035 100644 --- a/gnu/home/services/fontutils.scm +++ b/gnu/home/services/fontutils.scm @@ -2,6 +2,7 @@ ;;; Copyright © 2021 Andrew Tropin <andrew@trop.in> ;;; Copyright © 2021 Xinglu Chen <public@yoctocell.xyz> ;;; Copyright © 2023 Giacomo Leidi <goodoldpaul@autistici.org> +;;; Copyright © 2023 Andrew Patterson <andrewpatt7@gmail.com> ;;; ;;; This file is part of GNU Guix. ;;; @@ -23,6 +24,8 @@ #:use-module (gnu packages fontutils) #:use-module (guix gexp) #:use-module (srfi srfi-1) + #:use-module (ice-9 match) + #:use-module (sxml simple) #:export (home-fontconfig-service-type)) @@ -35,17 +38,36 @@ ;;; ;;; Code: -(define (add-fontconfig-config-file directories) +(define (write-fontconfig-doctype) + "Prints fontconfig's DOCTYPE to current-output-port." + ;; This is necessary because SXML doesn't seem to have a way to represent a doctype, + ;; but sxml->xml /does/ currently call any thunks in the SXML with the XML output port + ;; as current-output-port, allowing the output to include arbitrary text instead of + ;; just properly quoted XML. + (format #t "<!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>")) + +(define (config->sxml config) + "Converts a <home-fontconfig-configuration> record into the SXML representation +of fontconfig's fonts.conf file." + (define (snippets->sxml snippet) + (match snippet + ((or (? string? dir) + (? gexp? dir)) + `(dir ,dir)) + ((? list?) + snippet))) + `(*TOP* (*PI* xml "version='1.0'") + ,write-fontconfig-doctype + (fontconfig + ,@(map snippets->sxml config)))) + +(define (add-fontconfig-config-file config) `(("fontconfig/fonts.conf" ,(mixed-text-file "fonts.conf" - (apply string-append - `("<?xml version='1.0'?> -<!DOCTYPE fontconfig SYSTEM 'fonts.dtd'> -<fontconfig>\n" ,@(map (lambda (directory) - (string-append " <dir>" directory "</dir>\n")) - directories) - "</fontconfig>\n")))))) + (call-with-output-string + (lambda (port) + (sxml->xml (config->sxml config) port))))))) (define (regenerate-font-cache-gexp _) `(("profile/share/fonts" |