dbc_rs/nodes/
serialize.rs

1use super::Nodes;
2use crate::BU_;
3use std::fmt::{Display, Formatter, Result};
4
5impl Display for Nodes {
6    fn fmt(&self, f: &mut Formatter<'_>) -> Result {
7        if self.nodes.is_empty() {
8            return Ok(());
9        }
10        for (i, node) in self.iter().enumerate() {
11            if i > 0 {
12                write!(f, " ")?;
13            }
14            write!(f, "{}", node)?;
15        }
16        Ok(())
17    }
18}
19
20impl Nodes {
21    /// Converts the nodes to their DBC file representation.
22    ///
23    /// Returns a string in the format: `BU_: Node1 Node2 Node3 ...`
24    ///
25    /// # Examples
26    ///
27    /// ```rust,no_run
28    /// use dbc_rs::Dbc;
29    ///
30    /// let dbc = Dbc::parse(r#"VERSION "1.0"
31    ///
32    /// BU_: ECM TCM BCM
33    /// "#)?;
34    ///
35    /// let dbc_string = dbc.nodes().to_dbc_string();
36    /// assert_eq!(dbc_string, "BU_: ECM TCM BCM");
37    /// # Ok::<(), dbc_rs::Error>(())
38    /// ```
39    ///
40    /// # Empty Nodes
41    ///
42    /// Empty node lists are represented as `BU_:`:
43    ///
44    /// ```rust,no_run
45    /// use dbc_rs::Dbc;
46    ///
47    /// let dbc = Dbc::parse(r#"VERSION "1.0"
48    ///
49    /// BU_:
50    /// "#)?;
51    ///
52    /// assert_eq!(dbc.nodes().to_dbc_string(), "BU_:");
53    /// # Ok::<(), dbc_rs::Error>(())
54    /// ```
55    ///
56    /// # Feature Requirements
57    ///
58    /// This method requires the `std` feature to be enabled.
59    #[must_use = "return value should be used"]
60    pub fn to_dbc_string(&self) -> std::string::String {
61        let mut result = format!("{}:", BU_);
62        let nodes_str = format!("{}", self);
63        if !nodes_str.is_empty() {
64            result.push(' ');
65            result.push_str(&nodes_str);
66        }
67        result
68    }
69}
dbc_rs/nodes/serialize.rs

dbc_rs/nodes/
serialize.rs
