1 # functions for parsing and generating json
6 eval "$___dest=\"\$${JSON_PREFIX}$___var\""
12 eval "${JSON_PREFIX}$___var=\"\$___val\""
20 eval "export -- \"$var=\${$var:+\${$var}\${value:+\$sep}}\$value\""
30 _json_get_var __old_val
"$__var"
31 __value
="${__old_val:+$__old_val$__sep}$__value"
32 _json_set_var
"$__var" "$__value"
36 local __var
="${JSON_PREFIX}$1"
39 export -- "$__var=$__val"
45 _jshn_append
"KEYS_${table}" "$var"
51 eval "$__dest=\"\$$__var\""
57 eval "$__var=\"\$__val\""
65 _json_get_var _seq
"$_var"
66 _seq
="$((${_seq:-0} + 1))"
67 _json_set_var
"$_var" "$_seq"
68 [ -n "$_dest" ] && _set_var
"$_dest" "$_seq"
77 [ -n "$cur" ] || _json_get_var cur JSON_CUR
79 if [ "${cur%%[0-9]*}" = "JSON_ARRAY" ]; then
80 _json_inc
"SEQ_$cur" var
82 local name
="${var//[^a-zA-Z0-9_]/_}"
83 [[ "$name" == "$var" ]] || _json_export
"NAME_${cur}_${name}" "$var"
87 _json_export
"${cur}_$var" "$val"
88 _json_export
"TYPE_${cur}_$var" "$type"
89 _jshn_append
"JSON_UNSET" "${cur}_$var"
90 _json_add_key
"$cur" "$var"
100 _json_get_var cur JSON_CUR
101 _json_inc JSON_SEQ
seq
103 local table
="JSON_$itype$seq"
104 _json_set_var
"UP_$table" "$cur"
105 _json_export
"KEYS_$table" ""
106 [ "$itype" = "ARRAY" ] && _json_export
"SEQ_$table" ""
107 _json_set_var JSON_CUR
"$table"
108 _jshn_append
"JSON_UNSET" "$table"
110 _json_get_var new_cur JSON_CUR
111 _json_add_generic
"$type" "$1" "$new_cur" "$cur"
114 _json_close_table
() {
117 _json_get_var _s_cur JSON_CUR
118 _json_get_var _s_new
"UP_$_s_cur"
119 _json_set_var JSON_CUR
"$_s_new"
122 json_set_namespace
() {
126 [ -n "$_old" ] && _set_var
"$_old" "$JSON_PREFIX"
133 _json_get_var
unset JSON_UNSET
134 for tmp
in $unset JSON_VAR
; do
136 ${JSON_PREFIX}UP_
$tmp \
137 ${JSON_PREFIX}KEYS_
$tmp \
138 ${JSON_PREFIX}SEQ_
$tmp \
139 ${JSON_PREFIX}TYPE_
$tmp \
140 ${JSON_PREFIX}NAME_
$tmp \
145 ${JSON_PREFIX}JSON_SEQ \
146 ${JSON_PREFIX}JSON_CUR \
147 ${JSON_PREFIX}JSON_UNSET
153 ${JSON_PREFIX}JSON_SEQ
=0 \
154 ${JSON_PREFIX}JSON_CUR
="JSON_VAR" \
155 ${JSON_PREFIX}JSON_UNSET
="" \
156 ${JSON_PREFIX}KEYS_JSON_VAR
= \
157 ${JSON_PREFIX}TYPE_JSON_VAR
=
161 _json_add_table
"$1" object TABLE
164 json_close_object
() {
169 _json_add_table
"$1" array ARRAY
177 _json_add_generic string
"$1" "$2"
181 _json_add_generic int
"$1" "$2"
185 _json_add_generic boolean
"$1" "$2"
189 _json_add_generic double
"$1" "$2"
192 # functions read access to json variables
199 jshn
"$@" ${JSON_PREFIX:+-p "$JSON_PREFIX"} -w
206 _json_get_var __cur JSON_CUR
207 local __var
="${JSON_PREFIX}TYPE_${__cur}_${2//[^a-zA-Z0-9_]/_}"
208 eval "export -- \"$__dest=\${$__var}\"; [ -n \"\${$__var+x}\" ]"
216 json_get_var _tbl_cur
"$2"
218 _json_get_var _tbl_cur JSON_CUR
220 local __var
="${JSON_PREFIX}KEYS_${_tbl_cur}"
221 eval "export -- \"$__dest=\${$__var}\"; [ -n \"\${$__var+x}\" ]"
226 local _v_keys _v_val _select
=
234 json_get_keys _v_keys
236 while [ "$#" -gt 0 ]; do
237 json_get_var _v_val
"$1"
238 __jshn_raw_append
"$_v_dest" "$_v_val"
241 [ -n "$_select" ] && json_select ..
250 _json_get_var __cur JSON_CUR
251 local __var
="${JSON_PREFIX}${__cur}_${2//[^a-zA-Z0-9_]/_}"
252 eval "export -- \"$__dest=\${$__var}\"; [ -n \"\${$__var+x}\" ]"
256 while [ "$#" -gt 0 ]; do
257 local _var
="$1"; shift
258 json_get_var
"$_var" "$_var"
268 _json_set_var JSON_CUR
"JSON_VAR"
271 [[ "$1" == ".." ]] && {
272 _json_get_var cur JSON_CUR
273 _json_get_var cur
"UP_$cur"
274 _json_set_var JSON_CUR
"$cur"
277 json_get_type
type "$target"
280 json_get_var cur
"$target"
281 _json_set_var JSON_CUR
"$cur"
284 echo "WARNING: Variable '$target' does not exist or is not an array/object"
293 json_get_type
type "$1"