pub struct UnixFs { /* private fields */ }Implementations§
source§impl UnixFs
impl UnixFs
pub fn new(cid: Cid) -> Self
pub fn add_link(&mut self, child: Link) -> usize
sourcepub fn links(&self) -> Vec<&Link>
pub fn links(&self) -> Vec<&Link>
Examples found in repository?
examples/cat_cid.rs (line 26)
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fn main() {
// let cid = std::env::args().nth(1).expect("use cid as argument");
let cid = "bafkreiaqv66m5nd6mwgkk7h5lwqnjzj54s4f7knmnrjhb7ylzqfg2vdo54";
let file = std::path::Path::new("test");
let file = file.join("carv1-basic.car");
let file = std::fs::File::open(file).unwrap();
let mut reader = reader::new_v1(file).unwrap();
let roots = reader.header().roots();
let file_cid = Cid::try_from(cid).expect("cid format error");
for r in roots.iter() {
let root_ipld = reader.ipld(r).unwrap();
let root: Result<UnixFs, CarError> = root_ipld.try_into();
let root_dir = root.unwrap();
let count = root_dir
.links()
.iter()
.filter(|u| u.hash() == file_cid)
.count();
if count > 0 {
cat_ipld(&mut reader, file_cid).unwrap();
}
}
}More examples
examples/ls.rs (line 28)
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fn walk(vecq: &mut VecDeque<Cid>, reader: &mut impl CarReader) {
let mut cache: HashMap<Cid, String> = HashMap::new();
let raw_code: u64 = RawCodec.into();
while let Some(file_cid) = vecq.pop_front() {
let codec = file_cid.codec();
let file_n = cache.get(&file_cid).map_or(file_cid.to_string(), |c| c.to_string());
println!("{file_n}");
if codec == raw_code {
continue;
}
let file_ipld: Ipld = reader.ipld(&file_cid).unwrap();
match file_ipld {
m @ Ipld::Map(_) => {
let unixfs: UnixFs = m.try_into().unwrap();
match unixfs.file_type() {
FileType::Directory => {},
_=> continue,
}
for n in unixfs.links().into_iter() {
let cid = n.hash();
cache.insert(cid, file_n.clone() + "/" + n.name_ref());
vecq.push_back(cid);
}
}
_ => {}
}
}
}pub fn mtime(&self) -> Option<&UnixTime>
pub fn mode(&self) -> Option<u32>
pub fn fanout(&self) -> Option<u64>
pub fn file_name(&self) -> Option<&str>
pub fn hash_type(&self) -> Option<u64>
pub fn block_sizes(&self) -> Vec<u64>
pub fn file_size(&self) -> Option<u64>
sourcepub fn file_type(&self) -> FileType
pub fn file_type(&self) -> FileType
Examples found in repository?
examples/ls.rs (line 24)
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fn walk(vecq: &mut VecDeque<Cid>, reader: &mut impl CarReader) {
let mut cache: HashMap<Cid, String> = HashMap::new();
let raw_code: u64 = RawCodec.into();
while let Some(file_cid) = vecq.pop_front() {
let codec = file_cid.codec();
let file_n = cache.get(&file_cid).map_or(file_cid.to_string(), |c| c.to_string());
println!("{file_n}");
if codec == raw_code {
continue;
}
let file_ipld: Ipld = reader.ipld(&file_cid).unwrap();
match file_ipld {
m @ Ipld::Map(_) => {
let unixfs: UnixFs = m.try_into().unwrap();
match unixfs.file_type() {
FileType::Directory => {},
_=> continue,
}
for n in unixfs.links().into_iter() {
let cid = n.hash();
cache.insert(cid, file_n.clone() + "/" + n.name_ref());
vecq.push_back(cid);
}
}
_ => {}
}
}
}