81 lines
2.0 KiB
Rust
81 lines
2.0 KiB
Rust
use crate::optional_data_line;
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use std::fmt;
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#[derive(Clone, Debug, Eq, PartialEq)]
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pub struct Dialogue {
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pub id: String,
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pub contents: String,
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pub name: Option<String>,
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}
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impl Dialogue {
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pub fn from_str(str: &str) -> Result<Dialogue, crate::Error> {
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let mut lines: Vec<&str> = str.lines().collect();
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if lines.is_empty() || !lines[0].starts_with("DLG ") {
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return Err(crate::Error::Dialogue);
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}
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let id = lines[0].replace("DLG ", "");
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let last_line = lines.pop().unwrap();
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let name = if last_line.starts_with("NAME ") {
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Some(last_line.replace("NAME ", ""))
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} else {
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lines.push(last_line);
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None
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};
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let contents = lines[1..].join("\n");
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Ok(Dialogue { id, contents, name })
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}
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}
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impl fmt::Display for Dialogue {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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write!(
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f,
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"DLG {}\n{}{}",
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self.id,
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self.contents,
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optional_data_line("NAME", self.name.as_ref())
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)
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}
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}
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#[cfg(test)]
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mod test {
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use crate::Dialogue;
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#[test]
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fn dialogue_from_str() {
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let output = Dialogue::from_str(
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"DLG h\nhello\nNAME not a dialogue name\nNAME a dialogue name"
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).unwrap();
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let expected = Dialogue {
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id: "h".to_string(),
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contents: "hello\nNAME not a dialogue name".to_string(),
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name: Some("a dialogue name".to_string())
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};
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assert_eq!(output, expected);
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}
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#[test]
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fn dialogue_to_string() {
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let output = Dialogue {
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id: "y".to_string(),
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contents: "This is a bit of dialogue,\nblah blah\nblah blah".to_string(),
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name: Some("a dialogue name".to_string())
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}.to_string();
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let expected = "DLG y\nThis is a bit of dialogue,\nblah blah\nblah blah\nNAME a dialogue name";
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assert_eq!(output, expected);
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}
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}
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