From a1a97eb11e89c420b84a659a88a4e72c7f04367d Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sun, 11 Sep 2011 11:40:22 +0200
Subject: jshn: support using characters in elements that do not conform to
 shell variable restrictions

---
 sh/jshn.sh | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'sh')

diff --git a/sh/jshn.sh b/sh/jshn.sh
index 7389f8c..8ecefcf 100644
--- a/sh/jshn.sh
+++ b/sh/jshn.sh
@@ -19,11 +19,15 @@ json_add_generic() {
 	local val="$3"
 	local cur="${4:-$JSON_CUR}"
 
-	[ "${cur%%[0-9]*}" = "JSON_ARRAY" ] && {
+	if [ "${cur%%[0-9]*}" = "JSON_ARRAY" ]; then
 		eval "local aseq=\"\${SEQ_$cur}\""
 		var=$(( ${aseq:-0} + 1 ))
 		export -- "SEQ_$cur=$var"
-	}
+	else
+		local name="$(echo -n "$var" | tr -C '[a-zA-Z_]' _)"
+		[[ "$name" == "$var" ]] || export -- "NAME_${cur}_${name}=$var"
+		var="$name"
+	fi
 
 	export -- "${cur}_$var=$val"
 	export -- "TYPE_${cur}_$var=$type"
-- 
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