1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60

pub use crate::prelude::DstvElement;
use crate::{get_f64_from_str, validate_flange};

/// Represents a numeration element
/// A numeration element is a text element that is used to label a part
pub struct Numeration {
    /// Angle of the text
    pub angle: f64,
    /// Height of the text
    pub letterheight: f64,
    /// Text to be displayed
    pub text: String,
    /// X coordinate of the text
    pub x_coord: f64,
    /// Y coordinate of the text
    pub y_coord: f64,
    /// Flange code of the text
    pub fl_code: String,
}

impl DstvElement for Numeration {
    /// Parses a numeration element from a line of text
    /// # Arguments
    /// * `line` - A line of text from a DSTV file
    /// # Returns
    /// A `Result` containing either a `Numeration` or an error message
    fn from_str(line: &str) -> Result<Self, &'static str> {
        let mut iter = line.split_whitespace();
        let fl_code = iter.next().unwrap();
        let flange = match validate_flange(fl_code) {
            true => fl_code,
            false => "x",
        };

        let x_coord = get_f64_from_str(iter.next(), "x_coord");
        let y_coord = get_f64_from_str(iter.next(), "y_coord");
        let angle = get_f64_from_str(iter.next(), "angle");
        let letterheight = get_f64_from_str(iter.next(), "letterheight");
        let text = iter.next().expect("Text element not found").to_string();

        Ok(Self {
            angle,
            letterheight,
            text,
            x_coord,
            y_coord,
            fl_code: flange.to_string(),
        })
    }

    /// Converts a numeration element to an SVG text element
    fn to_svg(&self) -> String {
        // todo: implement
        "".to_string()
    }

    fn get_index(&self) -> usize {
        2
    }
}