anvil_region/
error.rs

1use crate::position::RegionChunkPosition;
2use nbt::decode::TagDecodeError;
3use std::io;
4
5/// Possible errors while loading the chunk.
6#[derive(Debug)]
7pub enum ChunkReadError {
8    /// Chunk at specified coordinates inside region not found.
9    ChunkNotFound { position: RegionChunkPosition },
10    /// Chunk length overlaps declared maximum.
11    ///
12    /// This should not occur under normal conditions.
13    ///
14    /// Region file are corrupted.
15    LengthExceedsMaximum {
16        /// Chunk length.
17        length: u32,
18        /// Chunk maximum expected length.
19        maximum_length: u32,
20    },
21    /// Currently are only 2 types of compression: Gzip and Zlib.
22    ///
23    /// This should not occur under normal conditions.
24    ///
25    /// Region file are corrupted or was introduced new compression type.
26    UnsupportedCompressionScheme {
27        /// Compression scheme type id.
28        compression_scheme: u8,
29    },
30    /// I/O Error which happened while were reading chunk data from region file.
31    IOError { io_error: io::Error },
32    /// Error while decoding binary data to NBT tag.
33    ///
34    /// This should not occur under normal conditions.
35    ///
36    /// Region file are corrupted or a developer error in the NBT library.
37    TagDecodeError { tag_decode_error: TagDecodeError },
38}
39
40impl From<io::Error> for ChunkReadError {
41    fn from(io_error: io::Error) -> Self {
42        ChunkReadError::IOError { io_error }
43    }
44}
45
46impl From<TagDecodeError> for ChunkReadError {
47    fn from(tag_decode_error: TagDecodeError) -> Self {
48        ChunkReadError::TagDecodeError { tag_decode_error }
49    }
50}
51
52/// Possible errors while saving the chunk.
53#[derive(Debug)]
54pub enum ChunkWriteError {
55    /// Chunk length exceeds 1 MB.
56    ///
57    /// This should not occur under normal conditions.
58    LengthExceedsMaximum {
59        /// Chunk length.
60        length: u32,
61    },
62    /// I/O Error which happened while were writing chunk data to region.
63    IOError { io_error: io::Error },
64}
65
66impl From<io::Error> for ChunkWriteError {
67    fn from(io_error: io::Error) -> Self {
68        ChunkWriteError::IOError { io_error }
69    }
70}
anvil_region/error.rs

anvil_region/
error.rs
