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|
#! /bin/sh
set -euf
# TODO check json first
normalize_json() {
sed -rn '
1s/^/cat<<EOF\n/
# TODO handle escaped double quotes
s/"[^"]+"/"$(echo -n & | base64)"/g
$s/$/\nEOF/
p
' | sh | tr -d '[:space:]'
}
json_to_sh() {
sed -rn '
s/,/;/g
s/\[/begin_json_array;/g; s/\]/end_json_array;/g
s/\{/begin_json_object;/g; s/\}/end_json_object;/g
s/("[^"]+"):/json_set_key \1;/g
s/;("[^"]+")/;json_set STR \1;/g
s/;([0-9]+)/;json_set INT `echo -n \1 | base64`;/g
s/;;/;/g
s/;/\n/g
p
'
}
begin_json_object() {
push_key %%%MAKEJSONOBJ%%%
}
end_json_object() {
#echo end_json_object: $key >&2
#echo `echo "$key_stack" | head -n 1` >&2
pop_key # TODO check if is %%%MAKEJSONOBJ%%%
set -- `print_key`
#echo object: $1 >&2; set | sed -rn "s/^($1_[a-zA-Z]+)_VALUE=(.*)/\1/p" >&2
json_set OBJ "`set | sed -rn "s/^($1_[a-zA-Z]+)_VALUE=(.*)/\1/p"`"
}
begin_json_array() { :; }
end_json_array() { :; }
json_push_key() {
push_key "`echo -n "$1" | base64 -d`"
}
json_set_key() {
pop_key
json_push_key "$1"
}
json_set() {
##echo "`print_key`$1=$2 (`echo -n $2 | base64 -d`)" >&2
#echo "`print_key`TYPE=$1" >&2
#echo "`print_key`VALUE=\"$2\"" >&2 # (`echo -n $2 | base64 -d`)" >&2
eval "`print_key`_TYPE=$1"
eval "`print_key`_VALUE=\"$2\""
}
push_key() {
key="${key+${key}_}$1"
#key_stack="$1
#$key_stack"
}
pop_key() {
key="`echo $key | sed 's/_[^_]\+$//'`"
#key_stack="`echo "$key_stack" | sed 1d`"
}
print_key() {
##echo \<`echo print_key: $key`, `echo "$key_stack" | tac | tr '\n' _`\> >&2
#echo "$key_stack" | tac | tr '\n' _
echo -n "$key"
}
json() {
#eval echo "\"\$`echo -n JSON "$@" | tr "$IFS" _`\" | base64 -d"
NAME="`echo -n JSON "$@" | tr "$IFS" _`"
eval "TYPE=\"\$${NAME}_TYPE\""
echo -n "$TYPE $NAME: "
case "$TYPE" in
(OBJ)
eval echo -n \$${NAME}_VALUE
;;
#set | sed -rn "s/^(${NAME})_([a-zA-Z]+)[a-zA-Z_]*_VALUE=(.*)/\1_\2/p" |
# sort | uniq | tr \\n \ ;;
(*) #echo -n "$VALUE";;
#eval "VALUE=\"\$(echo -n \"\$${NAME}_VALUE\" | base64 -d)\""
eval echo -n \"\$${NAME}_VALUE\" | base64 -d
esac
echo
}
key='JSON'
#key_stack='JSON'
meh="`cat`"
echo "$meh"
#echo "$meh" | normalize_json | json_to_sh; exit
eval "`echo "$meh" | normalize_json | json_to_sh`"
#echo ====
#set | grep '^JSON[A-Za-z_]*='
#echo ====
json
json a
json b
json c
json c ca
json c cb
echo READY.
#### End of file.
|
