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use crate::chardetng::EncodingDetector;
use crate::pristine::InodeMetadata;
use crate::text_encoding::Encoding;
#[cfg(feature = "ondisk-repos")]
pub mod filesystem;
#[cfg(feature = "ondisk-repos")]
pub use filesystem::FileSystem;
pub mod memory;
pub use memory::Memory;
pub trait WorkingCopy {
type Error: std::error::Error + Send;
fn create_dir_all(&self, path: &str) -> Result<(), Self::Error>;
fn file_metadata(&self, file: &str) -> Result<InodeMetadata, Self::Error>;
fn read_file(&self, file: &str, buffer: &mut Vec<u8>) -> Result<(), Self::Error>;
fn modified_time(&self, file: &str) -> Result<std::time::SystemTime, Self::Error>;
fn remove_path(&self, name: &str, rec: bool) -> Result<(), Self::Error>;
fn rename(&self, former: &str, new: &str) -> Result<(), Self::Error>;
fn set_permissions(&self, name: &str, permissions: u16) -> Result<(), Self::Error>;
type Writer: std::io::Write;
fn write_file(&self, file: &str) -> Result<Self::Writer, Self::Error>;
fn decode_file(
&self,
file: &str,
buffer: &mut Vec<u8>,
) -> Result<Option<Encoding>, Self::Error> {
let init = buffer.len();
self.read_file(&file, buffer)?;
let mut detector = EncodingDetector::new();
detector.feed(&buffer[init..], true);
let (encoding, score) = detector.guess_assess(None, true);
if score {
Ok(Some(Encoding(encoding)))
} else {
Ok(None)
}
}
}