WSP = _{ (" " | "\n" | "\t" | "\r")* }

escaped_char = { "\\"~("\""|"\\"|"/"|"b"|"f"|"n"|"r"|"t" /* todo u */) }
string = { ((!"\"" ~ !"\\" ~ ANY)+ | escaped_char)* }
outer_string = _{ "\"" ~ string ~ "\"" }

array = { "[" ~ ((value ~ ("," ~ value)* ~ "]") | (WSP ~ "]")) }
boolean = { "true" | "false" }
null = { "null" }
number = { (ASCII_DIGIT | "-" | ".")* }

value = _{ WSP ~ (outer_string | object | array | boolean | null | number) ~ WSP }
property = { WSP ~ outer_string ~ WSP ~ ":" ~ value }
object = { ("{" ~ property ~ ("," ~ property)* ~ "}") | ("{" ~ WSP ~ "}") }

file = {(SOI ~ value ~ EOI)}