sq3-rs 0.1.6

SQLite reader with no dependencies
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use crate::result::{InvalidPayloadSizeError, SqliteError, SqliteResult};
use std::fs::File;
use std::io::Cursor;
use std::io::Read;
use std::io::Seek;

pub trait Name {
    const NAME: &'static str;
}

pub(super) trait ParseBytes
where
    Self: Sized + Name,
{
    const LENGTH_BYTES: usize;

    fn parsing_handler(bytes: &[u8]) -> SqliteResult<Self>;

    fn check_payload_size(bytes: &[u8]) -> SqliteResult<()> {
        if bytes.len() < Self::LENGTH_BYTES {
            Err(SqliteError::InvalidPayloadSize(InvalidPayloadSizeError {
                error: "Invalid input size".into(),
                ty: Self::NAME.into(),
            }))
        } else {
            Ok(())
        }
    }
    fn parse_bytes(bytes: &[u8]) -> SqliteResult<Self> {
        Self::check_payload_size(bytes)?;
        Self::parsing_handler(bytes)
    }
}

pub(crate) trait ValidateParsed
where
    Self: Sized + ParseBytes,
{
    fn validate_parsed(&self) -> SqliteResult<()>;
}

// pub(crate) trait SqliteRawIo: Read + Send + Sync + Write {}
pub(crate) trait SqliteRawIo: Read + Send + Sync + Seek {}
impl SqliteRawIo for Cursor<Vec<u8>> {}
impl SqliteRawIo for File {}