confz

commit 22ef3df006ec928a55c133942c2d55d5b13edb64
parent 96df8713b2125769b16eece5919329ba54828568
Author: Jan Pobrislo <ccx@webprojekty.cz>
Date:   Tue, 21 Nov 2017 17:16:11 +0100

variable matching and unification
Diffstat:
M
bin/confz
 | 
24
++++++++++++++++++++++++

1 file changed, 24 insertions(+), 0 deletions(-)
diff --git a/bin/confz b/bin/confz
@@ -67,6 +67,30 @@ checkvars() {
 	(( $#empty )) && die "required parameters are empty: ${(@q)empty}"
 }
 
+# check if given arguments (as name value pairs) match current $vars
+matchvars() {
+	local name value
+	for name value in "$@"; do
+		if (($+vars[$name])); then
+			[[ $value == $vars[$name] ]] || return 1
+		fi
+	done
+	return 0
+}
+
+# unify given arguments (as name value pairs) with current $vars
+unify() {
+	local name value
+	for name value in "$@"; do
+		if (($+vars[$name])); then
+			[[ $value == $vars[$name] ]] \
+				|| die "Unified variable $name has value ${(qqq)vars[$name]} not matching ${(qqq)value}"
+		else
+			vars[$name]=$value
+		fi
+	done
+}
+
 # autoload all relevant functions and run confz_*_init
 confz_load() {
 	local func