gvariant

# GVariant arrays
#
# Copyright (C) 2021 Rodrigo Silva (MestreLion) <linux@rodrigosilva.com>
# License: GPLv3 or later. See <http://www.gnu.org/licenses/gpl.html>

# See: https://developer.gnome.org/glib/stable/gvariant-text.html
# and  https://developer.gnome.org/glib/stable/glib-GVariantType.html

gvariant_array() (
	local op=$1             # Operation to perform: include, remove, clear/new, set
	local itemtype=$2       # List item type: 's' for string, 'u' for uint32, etc
	local curlist=$3        # Current list, as a string in GVariant format: '@as []'
	local args
	case "${op,,}" in
	insert)
		local item=$4   # Item to insert, unquoted
		local where=$5  # Insert item 'before' or 'after' the following items
		shift 5         # Remaining arguments are reference items for position
		args=(array_insert "$itemtype" "$curlist" "$item" "$where" "$@");;
	*)
		shift 3         # Remaining arguments are list items
		args=(array "$op" "$itemtype" "$curlist" "$@");;
	esac
	debugvar args
	python3 -- "$(absdir "${BASH_SOURCE[0]}")"/gvariant.py "${args[@]}"
)

gvariant_quote() {
	local value=$1
	# shortcut for gvariant.py quote "$value"
	python3 -c 'import sys; print(repr(sys.argv[1]))' "$value"
}

gvariant_unquote() {
	local value=$1
	# No shortcuts, let gvariant.py handle ast.literal_eval() exceptions
	python3 -- "$(absdir "${BASH_SOURCE[0]}")"/gvariant.py unquote "$value"
}