use super::encoding;
use std::{error, fmt};
#[derive(Debug)]
pub enum Error {
Format(FormatError),
Unsupported(UnsupportedError),
Encoding(encoding::DecodingError),
IO(std::io::Error),
UnknownSize,
}
#[derive(Debug)]
pub enum UnsupportedError {
UnsupportedCompressionMethod(crate::format::Method),
}
#[derive(Debug)]
pub enum FormatError {
DirectoryEndSignatureNotFound,
Directory64EndRecordInvalid,
DirectoryOffsetPointsOutsideFile,
InvalidCentralRecord { expected: u16, actual: u16 },
InvalidExtraField,
ImpossibleNumberOfFiles {
claimed_records_count: u64,
zip_size: u64,
},
InvalidLocalHeader,
InvalidDataDescriptor,
WrongSize { expected: u64, actual: u64 },
WrongChecksum { expected: u32, actual: u32 },
}
impl error::Error for Error {}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self {
Error::IO(e) => write!(f, "rc-zip: {}", e),
Error::Encoding(e) => write!(f, "rc-zip: {:#?}", e),
Error::Format(e) => write!(f, "rc-zip: {:#?}", e),
Error::Unsupported(e) => write!(f, "rc-zip: {:#?}", e),
Error::UnknownSize => write!(f, "rc-zip: file size must be known to open zip archive",),
}
}
}
impl From<std::io::Error> for Error {
fn from(e: std::io::Error) -> Self {
Error::IO(e)
}
}
impl From<FormatError> for Error {
fn from(e: FormatError) -> Self {
Error::Format(e)
}
}
impl From<UnsupportedError> for Error {
fn from(e: UnsupportedError) -> Self {
Error::Unsupported(e)
}
}
impl From<encoding::DecodingError> for Error {
fn from(e: encoding::DecodingError) -> Self {
Error::Encoding(e)
}
}
impl Into<std::io::Error> for Error {
fn into(self) -> std::io::Error {
std::io::Error::new(std::io::ErrorKind::Other, self)
}
}