pub fn from_file<P: AsRef<Path>>(p: P) -> Result<Snapshot, Error> {
        let mut f = BufReader::new(fs::File::open(p.as_ref())?);
        let mut buf = String::new();

        f.read_line(&mut buf)?;

        // yaml format
        let metadata = if buf.trim_end() == "---" {
            loop {
                let read = f.read_line(&mut buf)?;
                if read == 0 {
                    break;
                }
                if buf[buf.len() - read..].trim_end() == "---" {
                    buf.truncate(buf.len() - read);
                    break;
                }
            }
            serde_yaml::from_str(&buf)?
        // legacy format
        } else {
            let mut rv = BTreeMap::new();
            loop {
                buf.clear();
                let read = f.read_line(&mut buf)?;
                if read == 0 || buf.trim_end().is_empty() {
                    buf.truncate(buf.len() - read);
                    break;
                }
                let mut iter = buf.splitn(2, ':');
                if let Some(key) = iter.next() {
                    if let Some(value) = iter.next() {
                        rv.insert(key.to_lowercase(), value.to_string());
                    }
                }
            }
            rv
        };

        buf.clear();
        for (idx, line) in f.lines().enumerate() {
            let line = line?;
            if idx > 0 {
                buf.push('\n');
            }
            buf.push_str(&line);
        }

        Ok(Snapshot {
            path: p.as_ref().to_path_buf(),
            metadata,
            snapshot: buf,
        })
    }
/// Loads a snapshot from a file.
Loads a snapshot from a file.
Loads a snapshot from a file .
pub fn from_file<P: AsRef<Path>>(p: P) -> Result<Snapshot, Error> {
        let mut f = BufReader::new(fs::File::open(p.as_ref())?);
        let mut buf = String::new();
        f.read_line(&mut buf)?;
        // yaml format
        let metadata = if buf.trim_end() == "---" {
            loop {
                let read = f.read_line(&mut buf)?;
                if read == 0 {
                    break;
                }
                if buf[buf.len() - read..].trim_end() == "---" {
                    buf.truncate(buf.len() - read);
                    break;
                }
            }
            serde_yaml::from_str(&buf)?
        // legacy format
        } else {
            let mut rv = BTreeMap::new();
            loop {
                buf.clear();
                let read = f.read_line(&mut buf)?;
                if read == 0 || buf.trim_end().is_empty() {
                    buf.truncate(buf.len() - read);
                    break;
                }
                let mut iter = buf.splitn(2, ':');
                if let Some(key) = iter.next() {
                    if let Some(value) = iter.next() {
                        rv.insert(key.to_lowercase(), value.to_string());
                    }
                }
            }
            rv
        };
        buf.clear();
        for (idx, line) in f.lines().enumerate() {
            let line = line?;
            if idx > 0 {
                buf.push('\n');
            }
            buf.push_str(&line);
        }
        Ok(Snapshot {
            path: p.as_ref().to_path_buf(),
            metadata,
            snapshot: buf,
        })
    }
pub fn from_file < P : AsRef < Path > > ( p : P ) -> Result < Snapshot , Error > { let mut f = BufReader :: new ( fs :: File :: open ( p . as_ref ( ) ) ? ) ; let mut buf = String :: new ( ) ; f . read_line ( & mut buf ) ? ; // yaml format let metadata = if buf . trim_end ( ) == " " { loop { let read = f . read_line ( & mut buf ) ? ; if read == 0 { break ; } if buf [ buf . len ( ) - read .. ] . trim_end ( ) == " " { buf . truncate ( buf . len ( ) - read ) ; break ; } } serde_yaml :: from_str ( & buf ) ? // legacy format } else { let mut rv = BTreeMap :: new ( ) ; loop { buf . clear ( ) ; let read = f . read_line ( & mut buf ) ? ; if read == 0 || buf . trim_end ( ) . is_empty ( ) { buf . truncate ( buf . len ( ) - read ) ; break ; } let mut iter = buf . splitn ( 2 , ':' ) ; if let Some ( key ) = iter . next ( ) { if let Some ( value ) = iter . next ( ) { rv . insert ( key . to_lowercase ( ) , value . to_string ( ) ) ; } } } rv } ; buf . clear ( ) ; for ( idx , line ) in f . lines ( ) . enumerate ( ) { let line = line ? ; if idx > 0 { buf . push ( '\n' ) ; } buf . push_str ( & line ) ; } Ok ( Snapshot { path : p . as_ref ( ) . to_path_buf ( ) , metadata , snapshot : buf , } ) }
Loads a snapshot from a file.
Loads a snapshot from a file .
p
P
p
P