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jshn: get rid of the table stack, use the UP_* variable instead to speed up processing

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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
This commit is contained in:
Felix Fietkau 2013-10-30 10:34:40 +01:00
parent 554ed49c15
commit 1a32939cb5
1 changed files with 6 additions and 19 deletions
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25
sh/jshn.sh
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@ -68,15 +68,6 @@ _json_inc() {
[ -n "$_dest" ] && _set_var "$_dest" "$_seq"
}
_json_stack_push() {
local new_cur="$1"
local cur
_json_get_var cur JSON_CUR
_jshn_append JSON_STACK "$cur"
_json_set_var JSON_CUR "$new_cur"
}
_json_add_generic() {
local type="$1"
local var="$2"
@ -110,10 +101,10 @@ _json_add_table() {
_json_inc JSON_SEQ seq
local table="JSON_$itype$seq"
_json_export "UP_$table" "$cur"
_json_set_var "UP_$table" "$cur"
_json_export "KEYS_$table" ""
[ "$itype" = "ARRAY" ] && _json_export "SEQ_$table" ""
_json_stack_push "$table"
_json_set_var JSON_CUR "$table"
_jshn_append "JSON_UNSET" "$table"
_json_get_var new_cur JSON_CUR
@ -121,13 +112,11 @@ _json_add_table() {
}
_json_close_table() {
local stack new_stack
local _s_cur _s_new
_json_get_var stack JSON_STACK
_json_set_var JSON_CUR "${stack##* }"
new_stack="${stack% *}"
[[ "$stack" == "$new_stack" ]] && new_stack=
_json_set_var JSON_STACK "$new_stack"
_json_get_var _s_cur JSON_CUR
_json_get_var _s_new "UP_$_s_cur"
_json_set_var JSON_CUR "$_s_new"
}
json_set_namespace() {
@ -154,7 +143,6 @@ json_cleanup() {
unset \
${JSON_PREFIX}JSON_SEQ \
${JSON_PREFIX}JSON_STACK \
${JSON_PREFIX}JSON_CUR \
${JSON_PREFIX}JSON_UNSET
}
@ -163,7 +151,6 @@ json_init() {
json_cleanup
export -- \
${JSON_PREFIX}JSON_SEQ=0 \
${JSON_PREFIX}JSON_STACK= \
${JSON_PREFIX}JSON_CUR="JSON_VAR" \
${JSON_PREFIX}JSON_UNSET="" \
${JSON_PREFIX}KEYS_JSON_VAR= \