openethereum/ethcore/types/src/data_format.rs

44 lines
1.3 KiB
Rust

// Copyright 2015-2019 Parity Technologies (UK) Ltd.
// This file is part of Parity Ethereum.
// Parity Ethereum 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 Ethereum 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 Ethereum. If not, see <http://www.gnu.org/licenses/>.
//! Data format for importing/exporting blocks from disk
use std::str::FromStr;
/// Format for importing/exporting blocks
#[derive(Debug, PartialEq)]
pub enum DataFormat {
Hex,
Binary,
}
impl Default for DataFormat {
fn default() -> Self {
DataFormat::Binary
}
}
impl FromStr for DataFormat {
type Err = String;
fn from_str(s: &str) -> Result<Self, Self::Err> {
match s {
"binary" | "bin" => Ok(DataFormat::Binary),
"hex" => Ok(DataFormat::Hex),
x => Err(format!("Invalid format: {}", x))
}
}
}