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}$1} \$_a_value\""
45 let "${JSON_PREFIX}$1 += 1" "$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"