X-Git-Url: http://git.archive.openwrt.org/?p=project%2Flibubox.git;a=blobdiff_plain;f=sh%2Fjshn.sh;h=bf76edbeed3c7ee3632e537bb8470cfce0f5b201;hp=70b7976e55468c2aabf85c8592cdf28caaf89e29;hb=155bf39896f126b1ba121b816922a88dc34c31e3;hpb=318d682d29a8974aa53bd7dc523f1514eb0eddb9

diff --git a/sh/jshn.sh b/sh/jshn.sh
index 70b7976..bf76edb 100644
--- a/sh/jshn.sh
+++ b/sh/jshn.sh
@@ -42,7 +42,7 @@ _json_inc() {
 	# var=$1
 	# dest=$2
 
-	eval "${JSON_PREFIX}$1=\$(( \${${JSON_PREFIX}$1:-0} + 1))${2:+; $2=\"\$${JSON_PREFIX}$1\"}"
+	let "${JSON_PREFIX}$1 += 1" "$2 = ${JSON_PREFIX}$1"
 }
 
 _json_add_generic() {
@@ -52,20 +52,18 @@ _json_add_generic() {
 	# cur=$4
 
 	local var
-	if [ "${4%%[0-9]*}" = "JSON_ARRAY" ]; then
-		_json_inc "SEQ_$4" var
+	if [ "${4%%[0-9]*}" = "J_A" ]; then
+		_json_inc "S_$4" var
 	else
-		local name="${2//[^a-zA-Z0-9_]/_}"
-		[[ "$name" == "$2" ]] || export -- "${JSON_PREFIX}NAME_${4}_${name}=$2"
-		var="$name"
+		var="${2//[^a-zA-Z0-9_]/_}"
+		[[ "$var" == "$2" ]] || export -- "${JSON_PREFIX}N_${4}_${var}=$2"
 	fi
 
-	local cur_var=
 	export -- \
 		"${JSON_PREFIX}${4}_$var=$3" \
-		"${JSON_PREFIX}TYPE_${4}_$var=$1"
+		"${JSON_PREFIX}T_${4}_$var=$1"
 	_jshn_append "JSON_UNSET" "${4}_$var"
-	_jshn_append "KEYS_$4" "$var"
+	_jshn_append "K_$4" "$var"
 }
 
 _json_add_table() {
@@ -77,10 +75,10 @@ _json_add_table() {
 	_json_get_var cur JSON_CUR
 	_json_inc JSON_SEQ seq
 
-	local table="JSON_$3$seq"
-	_json_set_var "UP_$table" "$cur"
-	export -- "${JSON_PREFIX}KEYS_$table="
-	unset "${JSON_PREFIX}SEQ_$table"
+	local table="J_$3$seq"
+	_json_set_var "U_$table" "$cur"
+	export -- "${JSON_PREFIX}K_$table="
+	unset "${JSON_PREFIX}S_$table"
 	_json_set_var JSON_CUR "$table"
 	_jshn_append "JSON_UNSET" "$table"
 
@@ -91,7 +89,7 @@ _json_close_table() {
 	local _s_cur
 
 	_json_get_var _s_cur JSON_CUR
-	_json_get_var "${JSON_PREFIX}JSON_CUR" "UP_$_s_cur"
+	_json_get_var "${JSON_PREFIX}JSON_CUR" "U_$_s_cur"
 }
 
 json_set_namespace() {
@@ -103,16 +101,16 @@ json_set_namespace() {
 }
 
 json_cleanup() {
-	local unset
+	local unset tmp
 
 	_json_get_var unset JSON_UNSET
-	for tmp in $unset JSON_VAR; do
+	for tmp in $unset J_V; do
 		unset \
-			${JSON_PREFIX}UP_$tmp \
-			${JSON_PREFIX}KEYS_$tmp \
-			${JSON_PREFIX}SEQ_$tmp \
-			${JSON_PREFIX}TYPE_$tmp \
-			${JSON_PREFIX}NAME_$tmp \
+			${JSON_PREFIX}U_$tmp \
+			${JSON_PREFIX}K_$tmp \
+			${JSON_PREFIX}S_$tmp \
+			${JSON_PREFIX}T_$tmp \
+			${JSON_PREFIX}N_$tmp \
 			${JSON_PREFIX}$tmp
 	done
 
@@ -124,15 +122,14 @@ json_cleanup() {
 
 json_init() {
 	json_cleanup
+	export -n ${JSON_PREFIX}JSON_SEQ=0
 	export -- \
-		${JSON_PREFIX}JSON_SEQ=0 \
-		${JSON_PREFIX}JSON_CUR="JSON_VAR" \
-		${JSON_PREFIX}KEYS_JSON_VAR= \
-		${JSON_PREFIX}TYPE_JSON_VAR=
+		${JSON_PREFIX}JSON_CUR="J_V" \
+		${JSON_PREFIX}K_J_V=
 }
 
 json_add_object() {
-	_json_add_table "$1" object TABLE
+	_json_add_table "$1" object T
 }
 
 json_close_object() {
@@ -140,7 +137,7 @@ json_close_object() {
 }
 
 json_add_array() {
-	_json_add_table "$1" array ARRAY 
+	_json_add_table "$1" array A
 }
 
 json_close_array() {
@@ -174,7 +171,7 @@ json_add_double() {
 # functions read access to json variables
 
 json_load() {
-	eval `jshn -r "$1"`
+	eval "`jshn -r "$1"`"
 }
 
 json_dump() {
@@ -186,7 +183,7 @@ json_get_type() {
 	local __cur
 
 	_json_get_var __cur JSON_CUR
-	local __var="${JSON_PREFIX}TYPE_${__cur}_${2//[^a-zA-Z0-9_]/_}"
+	local __var="${JSON_PREFIX}T_${__cur}_${2//[^a-zA-Z0-9_]/_}"
 	eval "export -- \"$__dest=\${$__var}\"; [ -n \"\${$__var+x}\" ]"
 }
 
@@ -199,13 +196,14 @@ json_get_keys() {
 	else
 		_json_get_var _tbl_cur JSON_CUR
 	fi
-	local __var="${JSON_PREFIX}KEYS_${_tbl_cur}"
+	local __var="${JSON_PREFIX}K_${_tbl_cur}"
 	eval "export -- \"$__dest=\${$__var}\"; [ -n \"\${$__var+x}\" ]"
 }
 
 json_get_values() {
 	local _v_dest="$1"
 	local _v_keys _v_val _select=
+	local _json_no_warning=1
 
 	unset "$_v_dest"
 	[ -n "$2" ] && {
@@ -231,13 +229,17 @@ json_get_var() {
 
 	_json_get_var __cur JSON_CUR
 	local __var="${JSON_PREFIX}${__cur}_${2//[^a-zA-Z0-9_]/_}"
-	eval "export -- \"$__dest=\${$__var}\"; [ -n \"\${$__var+x}\" ]"
+	eval "export -- \"$__dest=\${$__var:-$3}\"; [ -n \"\${$__var+x}\${3+x}\" ]"
 }
 
 json_get_vars() {
 	while [ "$#" -gt 0 ]; do
 		local _var="$1"; shift
-		json_get_var "$_var" "$_var"
+		if [ "$_var" != "${_var#*:}" ]; then
+			json_get_var "${_var%%:*}" "${_var%%:*}" "${_var#*:}"
+		else
+			json_get_var "$_var" "$_var"
+		fi
 	done
 }
 
@@ -247,12 +249,12 @@ json_select() {
 	local cur
 
 	[ -z "$1" ] && {
-		_json_set_var JSON_CUR "JSON_VAR"
+		_json_set_var JSON_CUR "J_V"
 		return 0
 	}
 	[[ "$1" == ".." ]] && {
 		_json_get_var cur JSON_CUR
-		_json_get_var cur "UP_$cur"
+		_json_get_var cur "U_$cur"
 		_json_set_var JSON_CUR "$cur"
 		return 0
 	}
@@ -263,7 +265,8 @@ json_select() {
 			_json_set_var JSON_CUR "$cur"
 		;;
 		*)
-			echo "WARNING: Variable '$target' does not exist or is not an array/object"
+			[ -n "$_json_no_warning" ] || \
+				echo "WARNING: Variable '$target' does not exist or is not an array/object"
 			return 1
 		;;
 	esac