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jshn: optimize the shell code some more

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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
This commit is contained in:
Felix Fietkau 2013-11-28 17:51:26 +01:00
parent f6827c7c93
commit 9636c0e79c
1 changed files with 32 additions and 43 deletions
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75
sh/jshn.sh
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@ -23,20 +23,7 @@ __jshn_raw_append() {
_jshn_append() {
# var=$1
local _a_value="$2"
local _a_sep="${3:- }"
eval "${JSON_PREFIX}$1=\"\${${JSON_PREFIX}$1:+\${${JSON_PREFIX}$1}\${_a_value:+\$_a_sep}}\$_a_value\""
}
_json_export() {
# var=$1
# value=$2
export -- "${JSON_PREFIX}$1=$2"
}
_json_add_key() {
# var=$1
# value=$2
_jshn_append "KEYS_$1" "$2"
eval "${JSON_PREFIX}$1=\"\${${JSON_PREFIX}$1} \$_a_value\""
}
_get_var() {
@ -54,63 +41,57 @@ _set_var() {
_json_inc() {
# var=$1
# dest=$2
local _seq
_json_get_var _seq "$1"
_seq="$((${_seq:-0} + 1))"
_json_set_var "$1" "$_seq"
[ -n "$2" ] && _set_var "$2" "$_seq"
eval "${JSON_PREFIX}$1=\$(( \${${JSON_PREFIX}$1:-0} + 1))${2:+; $2=\"\$${JSON_PREFIX}$1\"}"
}
_json_add_generic() {
# type=$1
local var="$2"
# name=$2
# value=$3
local cur="$4"
# cur=$4
[ -n "$cur" ] || _json_get_var cur JSON_CUR
if [ "${cur%%[0-9]*}" = "JSON_ARRAY" ]; then
_json_inc "SEQ_$cur" var
local var
if [ "${4%%[0-9]*}" = "JSON_ARRAY" ]; then
_json_inc "SEQ_$4" var
else
local name="${var//[^a-zA-Z0-9_]/_}"
[[ "$name" == "$var" ]] || _json_export "NAME_${cur}_${name}" "$var"
local name="${2//[^a-zA-Z0-9_]/_}"
[[ "$name" == "$2" ]] || export -- "${JSON_PREFIX}NAME_${4}_${name}=$2"
var="$name"
fi
local cur_var=
_json_export "${cur}_$var" "$3"
_json_export "TYPE_${cur}_$var" "$1"
_jshn_append "JSON_UNSET" "${cur}_$var"
_json_add_key "$cur" "$var"
export -- \
"${JSON_PREFIX}${4}_$var=$3" \
"${JSON_PREFIX}TYPE_${4}_$var=$1"
_jshn_append "JSON_UNSET" "${4}_$var"
_jshn_append "KEYS_$4" "$var"
}
_json_add_table() {
# name=$1
# type=$2
# itype=$3
local cur new_cur seq
local cur seq
_json_get_var cur JSON_CUR
_json_inc JSON_SEQ seq
local table="JSON_$3$seq"
_json_set_var "UP_$table" "$cur"
_json_export "KEYS_$table" ""
[ "$itype" = "ARRAY" ] && _json_set_var "SEQ_$table" ""
export -- "${JSON_PREFIX}KEYS_$table="
unset "${JSON_PREFIX}SEQ_$table"
_json_set_var JSON_CUR "$table"
_jshn_append "JSON_UNSET" "$table"
_json_get_var new_cur JSON_CUR
_json_add_generic "$2" "$1" "$new_cur" "$cur"
_json_add_generic "$2" "$1" "$table" "$cur"
}
_json_close_table() {
local _s_cur _s_new
local _s_cur
_json_get_var _s_cur JSON_CUR
_json_get_var _s_new "UP_$_s_cur"
_json_set_var JSON_CUR "$_s_new"
_json_get_var "${JSON_PREFIX}JSON_CUR" "UP_$_s_cur"
}
json_set_namespace() {
@ -167,19 +148,27 @@ json_close_array() {
}
json_add_string() {
_json_add_generic string "$1" "$2"
local cur
_json_get_var cur JSON_CUR
_json_add_generic string "$1" "$2" "$cur"
}
json_add_int() {
_json_add_generic int "$1" "$2"
local cur
_json_get_var cur JSON_CUR
_json_add_generic int "$1" "$2" "$cur"
}
json_add_boolean() {
_json_add_generic boolean "$1" "$2"
local cur
_json_get_var cur JSON_CUR
_json_add_generic boolean "$1" "$2" "$cur"
}
json_add_double() {
_json_add_generic double "$1" "$2"
local cur
_json_get_var cur JSON_CUR
_json_add_generic double "$1" "$2" "$cur"
}
# functions read access to json variables