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_$_s_cur"
95 unset "${JSON_PREFIX}UP_$_s_cur"
98 json_set_namespace() {
102 [ -n "$_old" ] && _set_var "$_old" "$JSON_PREFIX"
109 _json_get_var unset JSON_UNSET
110 for tmp in $unset JSON_VAR; do
112 ${JSON_PREFIX}UP_$tmp \
113 ${JSON_PREFIX}KEYS_$tmp \
114 ${JSON_PREFIX}SEQ_$tmp \
115 ${JSON_PREFIX}TYPE_$tmp \
116 ${JSON_PREFIX}NAME_$tmp \
121 ${JSON_PREFIX}JSON_SEQ \
122 ${JSON_PREFIX}JSON_CUR \
123 ${JSON_PREFIX}JSON_UNSET
129 ${JSON_PREFIX}JSON_SEQ=0 \
130 ${JSON_PREFIX}JSON_CUR="JSON_VAR" \
131 ${JSON_PREFIX}KEYS_JSON_VAR= \
132 ${JSON_PREFIX}TYPE_JSON_VAR=
136 _json_add_table "$1" object TABLE
139 json_close_object() {
144 _json_add_table "$1" array ARRAY
153 _json_get_var cur JSON_CUR
154 _json_add_generic string "$1" "$2" "$cur"
159 _json_get_var cur JSON_CUR
160 _json_add_generic int "$1" "$2" "$cur"
165 _json_get_var cur JSON_CUR
166 _json_add_generic boolean "$1" "$2" "$cur"
171 _json_get_var cur JSON_CUR
172 _json_add_generic double "$1" "$2" "$cur"
175 # functions read access to json variables
178 eval "`jshn -r "$1"`"
182 jshn "$@" ${JSON_PREFIX:+-p "$JSON_PREFIX"} -w
189 _json_get_var __cur JSON_CUR
190 local __var="${JSON_PREFIX}TYPE_${__cur}_${2//[^a-zA-Z0-9_]/_}"
191 eval "export -- \"$__dest=\${$__var}\"; [ -n \"\${$__var+x}\" ]"
199 json_get_var _tbl_cur "$2"
201 _json_get_var _tbl_cur JSON_CUR
203 local __var="${JSON_PREFIX}KEYS_${_tbl_cur}"
204 eval "export -- \"$__dest=\${$__var}\"; [ -n \"\${$__var+x}\" ]"
209 local _v_keys _v_val _select=
210 local _json_no_warning=1
214 json_select "$2" || return 1
218 json_get_keys _v_keys
220 while [ "$#" -gt 0 ]; do
221 json_get_var _v_val "$1"
222 __jshn_raw_append "$_v_dest" "$_v_val"
225 [ -n "$_select" ] && json_select ..
234 _json_get_var __cur JSON_CUR
235 local __var="${JSON_PREFIX}${__cur}_${2//[^a-zA-Z0-9_]/_}"
236 eval "export -- \"$__dest=\${$__var:-$3}\"; [ -n \"\${$__var+x}\${3+x}\" ]"
240 while [ "$#" -gt 0 ]; do
241 local _var="$1"; shift
242 if [ "$_var" != "${_var#*:}" ]; then
243 json_get_var "${_var%%:*}" "${_var%%:*}" "${_var#*:}"
245 json_get_var "$_var" "$_var"
256 _json_set_var JSON_CUR "JSON_VAR"
259 [[ "$1" == ".." ]] && {
260 _json_get_var cur JSON_CUR
261 _json_get_var cur "UP_$cur"
262 unset "${JSON_PREFIX}UP_$cur"
263 _json_set_var JSON_CUR "$cur"
266 json_get_type type "$target"
269 json_get_var cur "$target"
270 _json_get_var "${JSON_PREFIX}UP_$cur" JSON_CUR
271 _json_set_var JSON_CUR "$cur"
274 [ -n "$_json_no_warning" ] || \
275 echo "WARNING: Variable '$target' does not exist or is not an array/object"
284 json_get_type type "$1"