use std::ffi::OsString;
-
pub struct DirectoryEntry {
start: u64,
end: u64,
const HEADER_SIZE: u64 = std::mem::size_of::<PxarHeader>() as u64;
const GOODBYE_ITEM_SIZE: u64 = std::mem::size_of::<PxarGoodbyeItem>() as u64;
-impl <R: Read + Seek, F: Fn(&Path) -> Result<(), Error>> Decoder<R, F> {
-
+impl<R: Read + Seek, F: Fn(&Path) -> Result<(), Error>> Decoder<R, F> {
pub fn new(mut reader: R, callback: F) -> Result<Self, Error> {
-
let root_end = reader.seek(SeekFrom::End(0))?;
Ok(Self {
Ok(pos)
}
- pub fn restore(
- &mut self,
- dir: &DirectoryEntry,
- path: &Path,
- ) -> Result<(), Error> {
+ pub fn restore(&mut self, dir: &DirectoryEntry, path: &Path) -> Result<(), Error> {
let start = dir.start;
self.seek(SeekFrom::Start(start))?;
}
fn read_directory_entry(&mut self, start: u64, end: u64) -> Result<DirectoryEntry, Error> {
-
self.seek(SeekFrom::Start(start))?;
let head: PxarHeader = self.inner.read_item()?;
}
pub fn list_dir(&mut self, dir: &DirectoryEntry) -> Result<Vec<DirectoryEntry>, Error> {
-
let start = dir.start;
let end = dir.end;
let item: PxarGoodbyeItem = self.inner.read_item()?;
if item.hash != PXAR_GOODBYE_TAIL_MARKER {
- bail!("missing goodbye tail marker for object [{}..{}]", start, end);
+ bail!(
+ "missing goodbye tail marker for object [{}..{}]",
+ start,
+ end
+ );
}
let goodbye_table_size = item.size;
if goodbye_table_size < (HEADER_SIZE + GOODBYE_ITEM_SIZE) {
bail!("short goodbye table size for object [{}..{}]", start, end);
-
}
let goodbye_inner_size = goodbye_table_size - HEADER_SIZE - GOODBYE_ITEM_SIZE;
if (goodbye_inner_size % GOODBYE_ITEM_SIZE) != 0 {
- bail!("wrong goodbye inner table size for entry [{}..{}]", start, end);
+ bail!(
+ "wrong goodbye inner table size for entry [{}..{}]",
+ start,
+ end
+ );
}
let goodbye_start = end - goodbye_table_size;
if item.offset != (goodbye_start - start) {
- println!("DEBUG: {} {}", u64::from_le(item.offset), goodbye_start - start);
- bail!("wrong offset in goodbye tail marker for entry [{}..{}]", start, end);
+ println!(
+ "DEBUG: {} {}",
+ u64::from_le(item.offset),
+ goodbye_start - start
+ );
+ bail!(
+ "wrong offset in goodbye tail marker for entry [{}..{}]",
+ start,
+ end
+ );
}
self.seek(SeekFrom::Start(goodbye_start))?;
let head: PxarHeader = self.inner.read_item()?;
if head.htype != PXAR_GOODBYE {
- bail!("wrong goodbye table header type for entry [{}..{}]", start, end);
+ bail!(
+ "wrong goodbye table header type for entry [{}..{}]",
+ start,
+ end
+ );
}
if head.size != goodbye_table_size {
let mut range_list = Vec::new();
- for i in 0..goodbye_inner_size/GOODBYE_ITEM_SIZE {
+ for i in 0..goodbye_inner_size / GOODBYE_ITEM_SIZE {
let item: PxarGoodbyeItem = self.inner.read_item()?;
if item.offset > (goodbye_start - start) {
- bail!("goodbye entry {} offset out of range [{}..{}] {} {} {}",
- i, start, end, item.offset, goodbye_start, start);
+ bail!(
+ "goodbye entry {} offset out of range [{}..{}] {} {} {}",
+ i,
+ start,
+ end,
+ item.offset,
+ goodbye_start,
+ start
+ );
}
let item_start = goodbye_start - item.offset;
let item_end = item_start + item.size;
if item_end > goodbye_start {
- bail!("goodbye entry {} end out of range [{}..{}]",
- i, start, end);
+ bail!("goodbye entry {} end out of range [{}..{}]", i, start, end);
}
range_list.push((item_start, item_end));
prefix: &mut PathBuf,
dir: &DirectoryEntry,
) -> Result<(), Error> {
-
let mut list = self.list_dir(dir)?;
list.sort_unstable_by(|a, b| a.filename.cmp(&b.filename));
for item in &list {
-
prefix.push(item.filename.clone());
let mode = item.entry.mode as u32;