1 # functions for parsing and generating json
6 eval "$1=\"\$${JSON_PREFIX}$2\""
12 eval "${JSON_PREFIX}$1=\"\$___val\""
20 eval "export -- \"$1=\${$1:+\${$1}\${value:+\$sep}}\$value\""
26 eval "${JSON_PREFIX}$1=\"\${${JSON_PREFIX}$1} \$_a_value\""
45 eval "${JSON_PREFIX}$1=\$(( \${${JSON_PREFIX}$1:-0} + 1))${2:+; $2=\"\$${JSON_PREFIX}$1\"}"
55 if [ "${4%%[0-9]*}" = "JSON_ARRAY" ]; then
56 _json_inc
"SEQ_$4" var
58 local name
="${2//[^a-zA-Z0-9_]/_}"
59 [[ "$name" == "$2" ]] ||
export -- "${JSON_PREFIX}NAME_${4}_${name}=$2"
65 "${JSON_PREFIX}${4}_$var=$3" \
66 "${JSON_PREFIX}TYPE_${4}_$var=$1"
67 _jshn_append
"JSON_UNSET" "${4}_$var"
68 _jshn_append
"KEYS_$4" "$var"
77 _json_get_var cur JSON_CUR
78 _json_inc JSON_SEQ
seq
80 local table
="JSON_$3$seq"
81 _json_set_var
"UP_$table" "$cur"
82 export -- "${JSON_PREFIX}KEYS_$table="
83 unset "${JSON_PREFIX}SEQ_$table"
84 _json_set_var JSON_CUR
"$table"
85 _jshn_append
"JSON_UNSET" "$table"
87 _json_add_generic
"$2" "$1" "$table" "$cur"
93 _json_get_var _s_cur JSON_CUR
94 _json_get_var
"${JSON_PREFIX}JSON_CUR" "UP_$_s_cur"
97 json_set_namespace
() {
101 [ -n "$_old" ] && _set_var
"$_old" "$JSON_PREFIX"
108 _json_get_var
unset JSON_UNSET
109 for tmp
in $unset JSON_VAR
; do
111 ${JSON_PREFIX}UP_
$tmp \
112 ${JSON_PREFIX}KEYS_
$tmp \
113 ${JSON_PREFIX}SEQ_
$tmp \
114 ${JSON_PREFIX}TYPE_
$tmp \
115 ${JSON_PREFIX}NAME_
$tmp \
120 ${JSON_PREFIX}JSON_SEQ \
121 ${JSON_PREFIX}JSON_CUR \
122 ${JSON_PREFIX}JSON_UNSET
128 ${JSON_PREFIX}JSON_SEQ
=0 \
129 ${JSON_PREFIX}JSON_CUR
="JSON_VAR" \
130 ${JSON_PREFIX}KEYS_JSON_VAR
= \
131 ${JSON_PREFIX}TYPE_JSON_VAR
=
135 _json_add_table
"$1" object TABLE
138 json_close_object
() {
143 _json_add_table
"$1" array ARRAY
152 _json_get_var cur JSON_CUR
153 _json_add_generic string
"$1" "$2" "$cur"
158 _json_get_var cur JSON_CUR
159 _json_add_generic int
"$1" "$2" "$cur"
164 _json_get_var cur JSON_CUR
165 _json_add_generic boolean
"$1" "$2" "$cur"
170 _json_get_var cur JSON_CUR
171 _json_add_generic double
"$1" "$2" "$cur"
174 # functions read access to json variables
177 eval "`jshn -r "$1"`"
181 jshn
"$@" ${JSON_PREFIX:+-p "$JSON_PREFIX"} -w
188 _json_get_var __cur JSON_CUR
189 local __var
="${JSON_PREFIX}TYPE_${__cur}_${2//[^a-zA-Z0-9_]/_}"
190 eval "export -- \"$__dest=\${$__var}\"; [ -n \"\${$__var+x}\" ]"
198 json_get_var _tbl_cur
"$2"
200 _json_get_var _tbl_cur JSON_CUR
202 local __var
="${JSON_PREFIX}KEYS_${_tbl_cur}"
203 eval "export -- \"$__dest=\${$__var}\"; [ -n \"\${$__var+x}\" ]"
208 local _v_keys _v_val _select
=
209 local _json_no_warning
=1
213 json_select
"$2" ||
return 1
217 json_get_keys _v_keys
219 while [ "$#" -gt 0 ]; do
220 json_get_var _v_val
"$1"
221 __jshn_raw_append
"$_v_dest" "$_v_val"
224 [ -n "$_select" ] && json_select ..
233 _json_get_var __cur JSON_CUR
234 local __var
="${JSON_PREFIX}${__cur}_${2//[^a-zA-Z0-9_]/_}"
235 eval "export -- \"$__dest=\${$__var:-$3}\"; [ -n \"\${$__var+x}\${3+x}\" ]"
239 while [ "$#" -gt 0 ]; do
240 local _var
="$1"; shift
241 if [ "$_var" != "${_var#*:}" ]; then
242 json_get_var
"${_var%%:*}" "${_var%%:*}" "${_var#*:}"
244 json_get_var
"$_var" "$_var"
255 _json_set_var JSON_CUR
"JSON_VAR"
258 [[ "$1" == ".." ]] && {
259 _json_get_var cur JSON_CUR
260 _json_get_var cur
"UP_$cur"
261 _json_set_var JSON_CUR
"$cur"
264 json_get_type
type "$target"
267 json_get_var cur
"$target"
268 _json_set_var JSON_CUR
"$cur"
271 [ -n "$_json_no_warning" ] || \
272 echo "WARNING: Variable '$target' does not exist or is not an array/object"
281 json_get_type
type "$1"