sgf_parser/
node.rs

1use crate::SgfToken;
2
3/// A game node, containing a vector of tokens
4#[derive(Debug, PartialEq, Clone)]
5pub struct GameNode {
6    pub tokens: Vec<SgfToken>,
7}
8
9impl GameNode {
10    /// Gets a vector of all `SgfToken::Unknown` tokens
11    pub fn get_unknown_tokens(&self) -> Vec<&SgfToken> {
12        self.tokens
13            .iter()
14            .filter(|token| matches!(token, SgfToken::Unknown(_)))
15            .collect()
16    }
17
18    /// Gets a vector of all `SgfToken::Invalid` tokens
19    pub fn get_invalid_tokens(&self) -> Vec<&SgfToken> {
20        self.tokens
21            .iter()
22            .filter(|token| matches!(token, SgfToken::Invalid(_)))
23            .collect()
24    }
25}
26
27impl Into<String> for &GameNode {
28    fn into(self) -> String {
29        let mut token_strings: Vec<String> = self.tokens.iter().map(|t| t.into()).collect();
30        token_strings.sort();
31        let (_, out) = token_strings
32            .iter()
33            .fold((None, vec![";"]), |(prev, mut out), token| {
34                let offset = token.find('[').unwrap_or_else(|| token.len());
35                match prev {
36                    Some(ref prop) if token.starts_with(prop) => {
37                        out.push(&token[offset..]);
38                        (prev, out)
39                    }
40                    _ => {
41                        out.push(&token);
42                        (Some(&token[0..offset]), out)
43                    }
44                }
45            });
46        out.join("")
47    }
48}
49
50impl Into<String> for GameNode {
51    fn into(self) -> String {
52        (&self).into()
53    }
54}
sgf_parser/node.rs

sgf_parser/
node.rs
