44 lines
1.3 KiB
Rust
44 lines
1.3 KiB
Rust
// Copyright 2015-2019 Parity Technologies (UK) Ltd.
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// This file is part of Parity Ethereum.
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// Parity Ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity Ethereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity Ethereum. If not, see <http://www.gnu.org/licenses/>.
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//! Data format for importing/exporting blocks from disk
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use std::str::FromStr;
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/// Format for importing/exporting blocks
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#[derive(Debug, PartialEq)]
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pub enum DataFormat {
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Hex,
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Binary,
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}
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impl Default for DataFormat {
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fn default() -> Self {
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DataFormat::Binary
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}
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}
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impl FromStr for DataFormat {
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type Err = String;
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fn from_str(s: &str) -> Result<Self, Self::Err> {
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match s {
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"binary" | "bin" => Ok(DataFormat::Binary),
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"hex" => Ok(DataFormat::Hex),
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x => Err(format!("Invalid format: {}", x))
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}
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}
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}
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