1 # functions for parsing and generating json
8 eval "export -- \"$var=\${$var:+\${$var}\${value:+\$sep}}\$value\""
12 [ -n "$JSON_UNSET" ] && eval "unset $JSON_UNSET"
13 export -- JSON_SEQ
=0 JSON_STACK
= JSON_CUR
="JSON_VAR" JSON_UNSET
="" KEYS_JSON_VAR
= TYPE_JSON_VAR
=
20 local cur
="${4:-$JSON_CUR}"
22 if [ "${cur%%[0-9]*}" = "JSON_ARRAY" ]; then
23 eval "local aseq=\"\${SEQ_$cur}\""
24 var
=$
(( ${aseq:-0} + 1 ))
25 export -- "SEQ_$cur=$var"
27 local name
="${var//[^a-zA-Z0-9_]/_}"
28 [[ "$name" == "$var" ]] ||
export -- "NAME_${cur}_${name}=$var"
32 export -- "${cur}_$var=$val"
33 export -- "TYPE_${cur}_$var=$type"
34 jshn_append JSON_UNSET
"${cur}_$var TYPE_${cur}_$var"
35 jshn_append
"KEYS_${cur}" "$var"
40 JSON_SEQ
=$
(($JSON_SEQ + 1))
41 jshn_append JSON_STACK
"$JSON_CUR"
42 local table
="JSON_$TYPE$JSON_SEQ"
43 export -- "UP_$table=$JSON_CUR"
44 export -- "KEYS_$table="
45 jshn_append JSON_UNSET
"KEYS_$table UP_$table"
46 [ "$TYPE" = "ARRAY" ] && jshn_append JSON_UNSET
"SEQ_$table"
53 json_add_generic object
"$1" "$JSON_CUR" "$cur"
57 local oldstack
="$JSON_STACK"
58 JSON_CUR
="${JSON_STACK##* }"
59 JSON_STACK
="${JSON_STACK% *}"
60 [[ "$oldstack" == "$JSON_STACK" ]] && JSON_STACK
=
66 json_add_generic array
"$1" "$JSON_CUR" "$cur"
74 json_add_generic string
"$1" "$2"
78 json_add_generic int
"$1" "$2"
82 json_add_generic boolean
"$1" "$2"
85 # functions read access to json variables
97 local var
="TYPE_${JSON_CUR}_$2"
98 eval "[ -n \"\${$var+x}\" ] && export -- \"$dest=\${$var}\""
103 local var
="${JSON_CUR}_${2//[^a-zA-Z0-9_]/_}"
104 eval "[ -n \"\${$var+x}\" ] && export -- \"$dest=\${$var}\""
108 while [ "$#" -gt 0 ]; do
109 local _var
="$1"; shift
110 json_get_var
"$_var" "$_var"
122 [[ "$1" == ".." ]] && {
123 eval "JSON_CUR=\"\${UP_$JSON_CUR}\""
126 json_get_type
type "$target"
129 json_get_var JSON_CUR
"$target"
132 echo "WARNING: Variable '$target' does not exist or is not an array/object"