1 # functions for parsing and generating json
6 eval "$1=\"\$${JSON_PREFIX}$2\""
12 eval "${JSON_PREFIX}$1=\"\$___val\""
20 eval "export -- \"$1=\${$1:+\${$1}\${value:+\$sep}}\$value\""
26 local _a_sep="${3:- }"
27 eval "${JSON_PREFIX}$1=\"\${${JSON_PREFIX}$1:+\${${JSON_PREFIX}$1}\${_a_value:+\$_a_sep}}\$_a_value\""
33 export -- "${JSON_PREFIX}$1=$2"
39 _jshn_append "KEYS_$1" "$2"
59 _json_get_var _seq "$1"
60 _seq="$((${_seq:-0} + 1))"
61 _json_set_var "$1" "$_seq"
62 [ -n "$2" ] && _set_var "$2" "$_seq"
71 [ -n "$cur" ] || _json_get_var cur JSON_CUR
73 if [ "${cur%%[0-9]*}" = "JSON_ARRAY" ]; then
74 _json_inc "SEQ_$cur" var
76 local name="${var//[^a-zA-Z0-9_]/_}"
77 [[ "$name" == "$var" ]] || _json_export "NAME_${cur}_${name}" "$var"
82 _json_export "${cur}_$var" "$3"
83 _json_export "TYPE_${cur}_$var" "$1"
84 _jshn_append "JSON_UNSET" "${cur}_$var"
85 _json_add_key "$cur" "$var"
94 _json_get_var cur JSON_CUR
95 _json_inc JSON_SEQ seq
97 local table="JSON_$3$seq"
98 _json_set_var "UP_$table" "$cur"
99 _json_export "KEYS_$table" ""
100 [ "$itype" = "ARRAY" ] && _json_set_var "SEQ_$table" ""
101 _json_set_var JSON_CUR "$table"
102 _jshn_append "JSON_UNSET" "$table"
104 _json_get_var new_cur JSON_CUR
105 _json_add_generic "$2" "$1" "$new_cur" "$cur"
108 _json_close_table() {
111 _json_get_var _s_cur JSON_CUR
112 _json_get_var _s_new "UP_$_s_cur"
113 _json_set_var JSON_CUR "$_s_new"
116 json_set_namespace() {
120 [ -n "$_old" ] && _set_var "$_old" "$JSON_PREFIX"
127 _json_get_var unset JSON_UNSET
128 for tmp in $unset JSON_VAR; do
130 ${JSON_PREFIX}UP_$tmp \
131 ${JSON_PREFIX}KEYS_$tmp \
132 ${JSON_PREFIX}SEQ_$tmp \
133 ${JSON_PREFIX}TYPE_$tmp \
134 ${JSON_PREFIX}NAME_$tmp \
139 ${JSON_PREFIX}JSON_SEQ \
140 ${JSON_PREFIX}JSON_CUR \
141 ${JSON_PREFIX}JSON_UNSET
147 ${JSON_PREFIX}JSON_SEQ=0 \
148 ${JSON_PREFIX}JSON_CUR="JSON_VAR" \
149 ${JSON_PREFIX}KEYS_JSON_VAR= \
150 ${JSON_PREFIX}TYPE_JSON_VAR=
154 _json_add_table "$1" object TABLE
157 json_close_object() {
162 _json_add_table "$1" array ARRAY
170 _json_add_generic string "$1" "$2"
174 _json_add_generic int "$1" "$2"
178 _json_add_generic boolean "$1" "$2"
182 _json_add_generic double "$1" "$2"
185 # functions read access to json variables
192 jshn "$@" ${JSON_PREFIX:+-p "$JSON_PREFIX"} -w
199 _json_get_var __cur JSON_CUR
200 local __var="${JSON_PREFIX}TYPE_${__cur}_${2//[^a-zA-Z0-9_]/_}"
201 eval "export -- \"$__dest=\${$__var}\"; [ -n \"\${$__var+x}\" ]"
209 json_get_var _tbl_cur "$2"
211 _json_get_var _tbl_cur JSON_CUR
213 local __var="${JSON_PREFIX}KEYS_${_tbl_cur}"
214 eval "export -- \"$__dest=\${$__var}\"; [ -n \"\${$__var+x}\" ]"
219 local _v_keys _v_val _select=
227 json_get_keys _v_keys
229 while [ "$#" -gt 0 ]; do
230 json_get_var _v_val "$1"
231 __jshn_raw_append "$_v_dest" "$_v_val"
234 [ -n "$_select" ] && json_select ..
243 _json_get_var __cur JSON_CUR
244 local __var="${JSON_PREFIX}${__cur}_${2//[^a-zA-Z0-9_]/_}"
245 eval "export -- \"$__dest=\${$__var}\"; [ -n \"\${$__var+x}\" ]"
249 while [ "$#" -gt 0 ]; do
250 local _var="$1"; shift
251 json_get_var "$_var" "$_var"
261 _json_set_var JSON_CUR "JSON_VAR"
264 [[ "$1" == ".." ]] && {
265 _json_get_var cur JSON_CUR
266 _json_get_var cur "UP_$cur"
267 _json_set_var JSON_CUR "$cur"
270 json_get_type type "$target"
273 json_get_var cur "$target"
274 _json_set_var JSON_CUR "$cur"
277 echo "WARNING: Variable '$target' does not exist or is not an array/object"
286 json_get_type type "$1"