json_parser_with_pest 1.1.0

A JSON parser created in Rust using Pest grammar.
Documentation 
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// Ignores all whitespace characters (used throughout the grammar)
WHITESPACE = _{ " " | "\t" | "\r" | "\n" }

// Main rule for parsing a JSON file
json = { SOI ~ WHITESPACE* ~ value ~ WHITESPACE* ~ EOI }

// Supported JSON value types
value = _{ object | array | string | number | boolean | null | date | identifier | version | key_value_array }

// JSON object: key-value pairs enclosed in curly braces with optional whitespace
object = { "{" ~ WHITESPACE* ~ (pair ~ (WHITESPACE* ~ "," ~ WHITESPACE* ~ pair)*)? ~ WHITESPACE* ~ "}" }
pair = { string ~ WHITESPACE* ~ ":" ~ WHITESPACE* ~ value }

// JSON array: a list of values enclosed in square brackets with optional whitespace
array = { "[" ~ WHITESPACE* ~ (value ~ (WHITESPACE* ~ "," ~ WHITESPACE* ~ value)*)? ~ WHITESPACE* ~ "]" }

// JSON string: supports Unicode characters and extended escape sequences
string = @{ "\"" ~ (character | escape_sequence)* ~ "\"" }

// JSON character: any character except double quotes, backslashes, or control characters (0x00-0x1F)
character = _{ !( "\"" | "\\" | "\u{0000}" | "\u{0001}" | "\u{0002}" | "\u{0003}" | "\u{0004}" | "\u{0005}" | "\u{0006}" | "\u{0007}" | "\u{0008}" | "\u{0009}" | "\u{000A}" | "\u{000B}" | "\u{000C}" | "\u{000D}" | "\u{000E}" | "\u{000F}" | "\u{0010}" | "\u{0011}" | "\u{0012}" | "\u{0013}" | "\u{0014}" | "\u{0015}" | "\u{0016}" | "\u{0017}" | "\u{0018}" | "\u{0019}" | "\u{001A}" | "\u{001B}" | "\u{001C}" | "\u{001D}" | "\u{001E}" | "\u{001F}" ) ~ ANY }

// JSON escape sequences for special characters and Unicode
escape_sequence = _{ "\\" ~ ( "\"" | "\\" | "/" | "b" | "f" | "n" | "r" | "t" | "u" ~ ASCII_HEX_DIGIT{4} ) }

// JSON number: supports integers, floating-point, and exponential formats
number = @{
    "-"? ~ ("0" | ASCII_NONZERO_DIGIT ~ ASCII_DIGIT*) ~
    ("." ~ ASCII_DIGIT+)? ~
    (("e" | "E") ~ ("+" | "-")? ~ ASCII_DIGIT+)?
}

// JSON boolean values: true or false
boolean = { "true" | "false" }

// JSON null value
null = { "null" }

// Date format: YYYY-MM-DD (ISO 8601 format)
date = @{ ASCII_DIGIT{4} ~ "-" ~ ASCII_DIGIT{2} ~ "-" ~ ASCII_DIGIT{2} }

// Identifier: starts with a letter and can include letters, digits, or underscores
identifier = @{ ASCII_ALPHA ~ (ASCII_ALPHANUMERIC | "_")* }

// SemVer version format: supports versions like 1.0.0, 2.1.3-alpha
version = @{
    ASCII_DIGIT+ ~ "." ~ ASCII_DIGIT+ ~ "." ~ ASCII_DIGIT+ ~
    ( "-" ~ (ASCII_ALPHANUMERIC | "-")+ )? ~
    ( "+" ~ (ASCII_ALPHANUMERIC | ".")+ )?
}

// Array of key-value pairs: e.g., [ { "key1": "value1" }, { "key2": "value2" } ]
key_value_array = { "[" ~ WHITESPACE* ~ (object ~ (WHITESPACE* ~ "," ~ WHITESPACE* ~ object)*)? ~ WHITESPACE* ~ "]" }