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"