8125b5690c
* initial untry sweep * restore try in ipc codegen, fix inference * change a few missed try instances
112 lines
2.8 KiB
Rust
112 lines
2.8 KiB
Rust
// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
|
|
// This file is part of Parity.
|
|
|
|
// Parity is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
|
|
// Parity is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
//! Lenient uint json deserialization for test json files.
|
|
|
|
use std::str::FromStr;
|
|
use serde::{Deserialize, Deserializer, Error};
|
|
use serde::de::Visitor;
|
|
use util::{U256, Uint as U};
|
|
|
|
/// Lenient uint json deserialization for test json files.
|
|
#[derive(Default, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy)]
|
|
pub struct Uint(pub U256);
|
|
|
|
impl Into<U256> for Uint {
|
|
fn into(self) -> U256 {
|
|
self.0
|
|
}
|
|
}
|
|
|
|
impl Into<u64> for Uint {
|
|
fn into(self) -> u64 {
|
|
u64::from(self.0)
|
|
}
|
|
}
|
|
|
|
impl Into<usize> for Uint {
|
|
fn into(self) -> usize {
|
|
// TODO: clean it after util conversions refactored.
|
|
u64::from(self.0) as usize
|
|
}
|
|
}
|
|
impl Into<u8> for Uint {
|
|
fn into(self) -> u8 {
|
|
u64::from(self.0) as u8
|
|
}
|
|
}
|
|
|
|
impl Deserialize for Uint {
|
|
fn deserialize<D>(deserializer: &mut D) -> Result<Self, D::Error>
|
|
where D: Deserializer {
|
|
deserializer.deserialize(UintVisitor)
|
|
}
|
|
}
|
|
|
|
struct UintVisitor;
|
|
|
|
impl Visitor for UintVisitor {
|
|
type Value = Uint;
|
|
|
|
fn visit_u64<E>(&mut self, value: u64) -> Result<Self::Value, E> where E: Error {
|
|
Ok(Uint(U256::from(value)))
|
|
}
|
|
|
|
fn visit_str<E>(&mut self, value: &str) -> Result<Self::Value, E> where E: Error {
|
|
let value = match value.len() {
|
|
0 => U256::from(0),
|
|
2 if value.starts_with("0x") => U256::from(0),
|
|
_ if value.starts_with("0x") => U256::from_str(&value[2..]).map_err(|_| {
|
|
Error::custom(format!("Invalid hex value {}.", value).as_str())
|
|
})?,
|
|
_ => U256::from_dec_str(value).map_err(|_| {
|
|
Error::custom(format!("Invalid decimal value {}.", value).as_str())
|
|
})?
|
|
};
|
|
|
|
Ok(Uint(value))
|
|
}
|
|
|
|
fn visit_string<E>(&mut self, value: String) -> Result<Self::Value, E> where E: Error {
|
|
self.visit_str(value.as_ref())
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod test {
|
|
use serde_json;
|
|
use util::U256;
|
|
use uint::Uint;
|
|
|
|
#[test]
|
|
fn uint_deserialization() {
|
|
let s = r#"["0xa", "10", "", "0x", 0]"#;
|
|
let deserialized: Vec<Uint> = serde_json::from_str(s).unwrap();
|
|
assert_eq!(deserialized, vec![
|
|
Uint(U256::from(10)),
|
|
Uint(U256::from(10)),
|
|
Uint(U256::from(0)),
|
|
Uint(U256::from(0)),
|
|
Uint(U256::from(0))
|
|
]);
|
|
}
|
|
|
|
#[test]
|
|
fn uint_into() {
|
|
assert_eq!(U256::from(10), Uint(U256::from(10)).into());
|
|
}
|
|
}
|