From 605b66d6f87c102fd803e6b96cf3ed78a4765291 Mon Sep 17 00:00:00 2001 From: Marty Oehme Date: Thu, 27 Feb 2020 21:35:51 +0100 Subject: [PATCH] Add experimental zathura processor --- theme_zathura | 105 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 105 insertions(+) create mode 100755 theme_zathura diff --git a/theme_zathura b/theme_zathura new file mode 100755 index 0000000..3ee3e07 --- /dev/null +++ b/theme_zathura @@ -0,0 +1,105 @@ +#!/usr/bin/env bash +readonly dependency=("nicodebo/base16-zathura") +readonly app="zathura" +# +# zathura does not support including other files into +# its configuration yet. As such, this processor needs to +# change the user's configuration file *itself*. +# +# This will generally not be a problem, though it can lead +# to corrupted configurations in exceptional circumstances +# (such as every line being preceded by the process control +# regex, for whatever reason). +# +# In general, the processor looks for a specific line in the +# following format: +# '# Base16 [theme name] - zathura color config' +# from which it will delete everything until it finds a line: +# '# Base16End [theme name] - zathura color config' +# So, if you don't want to lose anything - +# Do NOT put anything important between those two lines. + +path="$1" +package="$2" +theme="$3" +permanent="$4" + +zathuraconf="$HOME/.config/zathura/zathurarc" + +## Main Entrypoint +# +# Finds the right theme template file and starts theme +# switching and, if necessary, permanent setting processes. +main() { + dbg_msg $app "Starting Processor" + tfile="$path/$package/build_schemes/base16-$theme.config" + + if ! file_exists "$tfile"; then + dbg_msg $app "error" "Theme template $theme not found in package $package" + exit 1 + fi + + if [ ! -f "$zathuraconf" ]; then + dbg_msg $app "error" "Zathura config file not found. Please make sure file exists: $zathuraconf" + fi + + if [[ "$permanent" == "true" ]]; then save; fi + + dbg_msg $app "Processor Done" +} + +## Theme setter +# +# Takes care of permanently writing the desired +# base16 theme into application settings. +save() { + dbg_msg $app "Saving theme" + + # following format: + # '# Base16 [theme name] - zathura color config' + # from which it will delete everything until it finds a line: + # '# Base16End [theme name] - zathura color config' + startline="$(grep -ne '^# Base16 .*$' "$zathuraconf" | cut -f1 -d:)" + endline="$(grep -ne '^# Base16End .*- zathura color config$' "$zathuraconf" | cut -f1 -d:)" + + tmpfile="$zathuraconf.tmp" + tmptheme="$zathuraconf.thm.tmp" + + if [[ -n "$startline" && -z "$endline" ]] || [[ -z "$startline" && -n "$endline" ]] || [[ "$startline" -gt "$endline" ]]; then + dbg_msg $app "error" "Base 16 Pattern not correctly recognized in file: $zathuraconf. Please make sure pattern begins with # Base 16 and ends with # Base 16end and only exists once in the file. No changes to file made." + + elif [[ -z "$startline" && -z "$endline" ]]; then + cat "$zathuraconf" >"$tmpfile" || exit 1 + else + # remove old lines of any base16 theme + sed -e "$startline,$endline d" "$zathuraconf" >"$tmpfile" || exit 1 + + fi + + # fix template theme name key for easier inclusion + sed -e "s/^colors:/$theme: \&colorscheme/" "$tfile" >"$tmptheme" || exit 1 + echo "# Base16End $theme - zathura color config" >>"$tmptheme" + + # combine both into final config file + # replace original file with new colorscheme-added version + cat "$tmptheme" "$tmpfile" >"$zathuraconf" + + rm "$tmptheme" "$tmpfile" + + dbg_msg $app "Saved theme to $zathuraconf" +} + +# Safe sourcing: https://stackoverflow.com/a/12694189 +DIR="${BASH_SOURCE%/*}" +if [[ ! -d "$DIR" ]]; then DIR="$PWD"; fi +# shellcheck source=utilities.sh +. "$DIR/utilities.sh" +## Dependency Checker +# +# Makes sure the processor is called for the correct +# base16 package, or refuses to run if it is not. +if printf '%s\n' "${dependency[@]}" | grep -q -P "^$package$"; then + main +else + dbg_msg $app "error" "Processor does not work for package $package" +fi