chess/formats/
text.rs

1use core::{fmt, ops::Deref, str::FromStr};
2
3#[derive(Clone, Debug, Deserialize, PartialEq, Eq, Serialize)]
4#[serde(transparent)]
5pub struct Text(String);
6
7#[derive(Clone, Copy, Debug, Eq, PartialEq, thiserror::Error)]
8#[error("text is empty")]
9pub struct Error;
10
11pub type Result<T, E = Error> = core::result::Result<T, E>;
12
13impl Text {
14    #[inline]
15    pub fn new(text: impl AsRef<str>) -> Result<Self> {
16        let text = text.as_ref().trim();
17        (!text.is_empty()).then(|| Self(text.to_string())).ok_or(Error)
18    }
19
20    pub fn merge(&mut self, text: &Text) {
21        self.0.push_str("\n\n");
22        self.0.push_str(&text.0);
23    }
24}
25
26impl FromStr for Text {
27    type Err = Error;
28
29    #[inline]
30    fn from_str(text: &str) -> Result<Self> {
31        Self::new(text)
32    }
33}
34
35impl AsRef<str> for Text {
36    fn as_ref(&self) -> &str {
37        &self.0
38    }
39}
40
41impl fmt::Display for Text {
42    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
43        self.0.fmt(f)
44    }
45}
46
47impl Deref for Text {
48    type Target = str;
49
50    fn deref(&self) -> &Self::Target {
51        &self.0
52    }
53}
chess/formats/text.rs

chess/formats/
text.rs
