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/*
* SPDX-FileCopyrightText: 2020 Stalwart Labs Ltd <hello@stalw.art>
*
* SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-SEL
*/
use std::fmt::Display;
use self::json::Parser;
pub mod base32;
pub mod impls;
pub mod json;
#[derive(Debug, PartialEq, Clone)]
pub enum Token<T> {
Colon,
Comma,
DictStart,
DictEnd,
ArrayStart,
ArrayEnd,
Integer(i64),
Float(f64),
Boolean(bool),
String(T),
Null,
}
impl<T: PartialEq> Eq for Token<T> {}
pub trait JsonObjectParser {
fn parse(parser: &mut Parser<'_>) -> trc::Result<Self>
where
Self: Sized;
}
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub struct Ignore {}
impl<T: Eq> Token<T> {
pub fn unwrap_string(self, property: &str) -> trc::Result<T> {
match self {
Token::String(s) => Ok(s),
token => Err(token.error(property, "string")),
}
}
pub fn unwrap_string_or_null(self, property: &str) -> trc::Result<Option<T>> {
match self {
Token::String(s) => Ok(Some(s)),
Token::Null => Ok(None),
token => Err(token.error(property, "string")),
}
}
pub fn unwrap_bool(self, property: &str) -> trc::Result<bool> {
match self {
Token::Boolean(v) => Ok(v),
token => Err(token.error(property, "boolean")),
}
}
pub fn unwrap_bool_or_null(self, property: &str) -> trc::Result<Option<bool>> {
match self {
Token::Boolean(v) => Ok(Some(v)),
Token::Null => Ok(None),
token => Err(token.error(property, "boolean")),
}
}
pub fn unwrap_usize_or_null(self, property: &str) -> trc::Result<Option<usize>> {
match self {
Token::Integer(v) if v >= 0 => Ok(Some(v as usize)),
Token::Float(v) if v >= 0.0 => Ok(Some(v as usize)),
Token::Null => Ok(None),
token => Err(token.error(property, "unsigned integer")),
}
}
pub fn unwrap_uint_or_null(self, property: &str) -> trc::Result<Option<u64>> {
match self {
Token::Integer(v) if v >= 0 => Ok(Some(v as u64)),
Token::Float(v) if v >= 0.0 => Ok(Some(v as u64)),
Token::Null => Ok(None),
token => Err(token.error(property, "unsigned integer")),
}
}
pub fn unwrap_int_or_null(self, property: &str) -> trc::Result<Option<i64>> {
match self {
Token::Integer(v) => Ok(Some(v)),
Token::Float(v) => Ok(Some(v as i64)),
Token::Null => Ok(None),
token => Err(token.error(property, "unsigned integer")),
}
}
pub fn unwrap_ints_or_null(self, property: &str) -> trc::Result<Option<i32>> {
match self {
Token::Integer(v) => Ok(Some(v as i32)),
Token::Float(v) => Ok(Some(v as i32)),
Token::Null => Ok(None),
token => Err(token.error(property, "unsigned integer")),
}
}
pub fn assert(self, token: Token<T>) -> trc::Result<()> {
if self == token {
Ok(())
} else {
Err(self.error("", &token.to_string()))
}
}
pub fn assert_jmap(self, token: Token<T>) -> trc::Result<()> {
if self == token {
Ok(())
} else {
Err(trc::JmapCause::NotRequest.into_err().details(format!(
"Invalid JMAP request: expected '{token}', got '{self}'."
)))
}
}
pub fn error(&self, property: &str, expected: &str) -> trc::Error {
trc::JmapCause::InvalidArguments.into_err().details(if !property.is_empty() {
format!("Invalid argument for '{property:?}': expected '{expected}', got '{self}'.",)
} else {
format!("Invalid argument: expected '{expected}', got '{self}'.")
})
}
}
impl Display for Ignore {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "string")
}
}
impl<T> Display for Token<T> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
Token::Colon => write!(f, ":"),
Token::Comma => write!(f, ","),
Token::DictStart => write!(f, "{{"),
Token::DictEnd => write!(f, "}}"),
Token::ArrayStart => write!(f, "["),
Token::ArrayEnd => write!(f, "]"),
Token::Integer(i) => write!(f, "{}", i),
Token::Float(v) => write!(f, "{}", v),
Token::Boolean(b) => write!(f, "{}", b),
Token::Null => write!(f, "null"),
Token::String(_) => write!(f, "string"),
}
}
}
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