icentral_graph/
read_graph.rs

1crate::ix!();
2
3impl<GH> ReadGraph for Graph<GH> 
4where GH: BccGraphHashInterface
5{
6    type Error = BetweennessCentralityError;
7
8    /*
9     | #vertices    #edges
10     | src1         dst1
11     | .
12     | .
13     | src#edges    dst#edges
14     */
15    fn read_graph(&mut self, path: &str) 
16    -> Result<(),Self::Error>  
17    {
18        debug!("reading graph from filename: {}", path);
19
20        let fin = File::open(path)?;
21
22        let mut bytes = fin.bytes().map(|ch| ch.unwrap());
23
24        let n: usize = read!("{} ",bytes);
25        let m: usize = read!("{}",bytes);
26
27        self.init_size(n);
28
29        for i in 0..m {
30
31            let src: usize = read!("{} ",bytes);
32            let dst: usize = read!("{}",bytes);
33
34            self.insert_edge(&Edge::new_with_ids(src,dst))?;
35        }
36
37        self.init_internals()?;
38
39        debug!("finished reading graph from file:\n{:#?}", self);
40
41        Ok(())
42    }
43}
icentral_graph/read_graph.rs

icentral_graph/
read_graph.rs
