mirror of
https://github.com/neocturne/MinedMap.git
synced 2025-04-18 02:25:09 +02:00
Matthias Schiffer
248a641035
Get rid of the arbitrary bin/lib split and instead move as much as possible into the bin crate, which becomes the main crate again. The types and NBT handling are moved into separate crates, so they can be reused by nbtdump and regiondump.
32 lines
849 B
Rust
32 lines
849 B
Rust
//! Functions for reading and deserializing compressed NBT data
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use std::{fs::File, io::prelude::*, path::Path};
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use anyhow::{Context, Result};
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use flate2::read::GzDecoder;
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use serde::de::DeserializeOwned;
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/// Reads compressed NBT data from a reader and deserializes to a given data structure
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pub fn from_reader<R, T>(reader: R) -> Result<T>
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where
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R: Read,
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T: DeserializeOwned,
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{
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let mut decoder = GzDecoder::new(reader);
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let mut buf = vec![];
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decoder
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.read_to_end(&mut buf)
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.context("Failed to read file")?;
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fastnbt::from_bytes(&buf).context("Failed to decode NBT data")
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}
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/// Reads compressed NBT data from a file and deserializes to a given data structure
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pub fn from_file<P, T>(path: P) -> Result<T>
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where
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P: AsRef<Path>,
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T: DeserializeOwned,
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{
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let file = File::open(path).context("Failed to open file")?;
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from_reader(file)
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}
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