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}_$2"
98 eval "export -- \"$dest=\${$var}\"; [ -n \"\${$var+x}\" ]"
103 local var="${JSON_CUR}_${2//[^a-zA-Z0-9_]/_}"
104 eval "export -- \"$dest=\${$var}\"; [ -n \"\${$var+x}\" ]"
108 while [ "$#" -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"