1 # functions for parsing and generating json
6 eval "$1=\"\$${JSON_PREFIX}$2\""
12 eval "${JSON_PREFIX}$1=\"\$___val\""
20 eval "export -- \"$1=\${$1:+\${$1}\${value:+\$sep}}\$value\""
29 _json_get_var __old_val
"$1"
30 _json_set_var
"$1" "${__old_val:+$__old_val${3:- }}$2"
36 export -- "${JSON_PREFIX}$1=$2"
42 _jshn_append
"KEYS_$1" "$2"
62 _json_get_var _seq
"$1"
63 _seq
="$((${_seq:-0} + 1))"
64 _json_set_var
"$1" "$_seq"
65 [ -n "$2" ] && _set_var
"$2" "$_seq"
74 [ -n "$cur" ] || _json_get_var cur JSON_CUR
76 if [ "${cur%%[0-9]*}" = "JSON_ARRAY" ]; then
77 _json_inc
"SEQ_$cur" var
79 local name
="${var//[^a-zA-Z0-9_]/_}"
80 [[ "$name" == "$var" ]] || _json_export
"NAME_${cur}_${name}" "$var"
85 _json_export
"${cur}_$var" "$3"
86 _json_export
"TYPE_${cur}_$var" "$1"
87 _jshn_append
"JSON_UNSET" "${cur}_$var"
88 _json_add_key
"$cur" "$var"
97 _json_get_var cur JSON_CUR
98 _json_inc JSON_SEQ
seq
100 local table
="JSON_$3$seq"
101 _json_set_var
"UP_$table" "$cur"
102 _json_export
"KEYS_$table" ""
103 [ "$itype" = "ARRAY" ] && _json_set_var
"SEQ_$table" ""
104 _json_set_var JSON_CUR
"$table"
105 _jshn_append
"JSON_UNSET" "$table"
107 _json_get_var new_cur JSON_CUR
108 _json_add_generic
"$2" "$1" "$new_cur" "$cur"
111 _json_close_table
() {
114 _json_get_var _s_cur JSON_CUR
115 _json_get_var _s_new
"UP_$_s_cur"
116 _json_set_var JSON_CUR
"$_s_new"
119 json_set_namespace
() {
123 [ -n "$_old" ] && _set_var
"$_old" "$JSON_PREFIX"
130 _json_get_var
unset JSON_UNSET
131 for tmp
in $unset JSON_VAR
; do
133 ${JSON_PREFIX}UP_
$tmp \
134 ${JSON_PREFIX}KEYS_
$tmp \
135 ${JSON_PREFIX}SEQ_
$tmp \
136 ${JSON_PREFIX}TYPE_
$tmp \
137 ${JSON_PREFIX}NAME_
$tmp \
142 ${JSON_PREFIX}JSON_SEQ \
143 ${JSON_PREFIX}JSON_CUR \
144 ${JSON_PREFIX}JSON_UNSET
150 ${JSON_PREFIX}JSON_SEQ
=0 \
151 ${JSON_PREFIX}JSON_CUR
="JSON_VAR" \
152 ${JSON_PREFIX}KEYS_JSON_VAR
= \
153 ${JSON_PREFIX}TYPE_JSON_VAR
=
157 _json_add_table
"$1" object TABLE
160 json_close_object
() {
165 _json_add_table
"$1" array ARRAY
173 _json_add_generic string
"$1" "$2"
177 _json_add_generic int
"$1" "$2"
181 _json_add_generic boolean
"$1" "$2"
185 _json_add_generic double
"$1" "$2"
188 # functions read access to json variables
195 jshn
"$@" ${JSON_PREFIX:+-p "$JSON_PREFIX"} -w
202 _json_get_var __cur JSON_CUR
203 local __var
="${JSON_PREFIX}TYPE_${__cur}_${2//[^a-zA-Z0-9_]/_}"
204 eval "export -- \"$__dest=\${$__var}\"; [ -n \"\${$__var+x}\" ]"
212 json_get_var _tbl_cur
"$2"
214 _json_get_var _tbl_cur JSON_CUR
216 local __var
="${JSON_PREFIX}KEYS_${_tbl_cur}"
217 eval "export -- \"$__dest=\${$__var}\"; [ -n \"\${$__var+x}\" ]"
222 local _v_keys _v_val _select
=
230 json_get_keys _v_keys
232 while [ "$#" -gt 0 ]; do
233 json_get_var _v_val
"$1"
234 __jshn_raw_append
"$_v_dest" "$_v_val"
237 [ -n "$_select" ] && json_select ..
246 _json_get_var __cur JSON_CUR
247 local __var
="${JSON_PREFIX}${__cur}_${2//[^a-zA-Z0-9_]/_}"
248 eval "export -- \"$__dest=\${$__var}\"; [ -n \"\${$__var+x}\" ]"
252 while [ "$#" -gt 0 ]; do
253 local _var
="$1"; shift
254 json_get_var
"$_var" "$_var"
264 _json_set_var JSON_CUR
"JSON_VAR"
267 [[ "$1" == ".." ]] && {
268 _json_get_var cur JSON_CUR
269 _json_get_var cur
"UP_$cur"
270 _json_set_var JSON_CUR
"$cur"
273 json_get_type
type "$target"
276 json_get_var cur
"$target"
277 _json_set_var JSON_CUR
"$cur"
280 echo "WARNING: Variable '$target' does not exist or is not an array/object"
289 json_get_type
type "$1"