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"