89 lines
2.4 KiB
Rust
89 lines
2.4 KiB
Rust
use serde::{Deserialize, Serialize};
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use crate::Chord;
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#[derive(Debug, Clone, Serialize, Deserialize)]
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pub struct ChordPosition {
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pub offset: usize,
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pub chord: Chord,
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}
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#[derive(Debug, Clone, Serialize, Deserialize)]
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pub struct LyricLine {
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pub text: String,
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pub chords: Vec<ChordPosition>,
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}
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#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
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#[serde(rename_all = "snake_case")]
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pub enum SectionKind {
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Verse, Chorus, Bridge, PreChorus,
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Intro, Outro, Break, Tab,
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Other(String),
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}
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impl SectionKind {
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pub fn from_label(s: &str) -> Self {
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match s.to_lowercase().replace(['-', '_', ' '], "").as_str() {
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"verse" => Self::Verse,
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"chorus" => Self::Chorus,
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"bridge" => Self::Bridge,
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"prechorus" => Self::PreChorus,
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"intro" => Self::Intro,
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"outro" => Self::Outro,
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"break" => Self::Break,
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"tab" => Self::Tab,
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_ => Self::Other(s.to_string()),
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}
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}
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}
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#[derive(Debug, Clone, Serialize, Deserialize)]
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pub struct Section {
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pub kind: SectionKind,
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pub label: Option<String>,
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pub lines: Vec<LyricLine>,
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}
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#[derive(Debug, Clone, Serialize, Deserialize)]
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pub struct SongMeta {
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pub title: String,
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pub artist: String,
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pub capo: Option<u8>,
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pub original_key: Option<String>,
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pub tuning: Option<String>,
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pub tempo: Option<u16>,
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}
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#[derive(Debug, Clone, Serialize, Deserialize)]
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pub struct Song {
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pub meta: SongMeta,
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pub sections: Vec<Section>,
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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use crate::{Chord, Note};
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#[test]
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fn lyric_line_chord_positions() {
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let line = LyricLine {
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text: "A drop in the ocean".into(),
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chords: vec![
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ChordPosition { offset: 0, chord: Chord { root: Note::E, descriptor: Some("m".into()) } },
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ChordPosition { offset: 8, chord: Chord { root: Note::C, descriptor: None } },
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],
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};
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assert_eq!(line.chords[0].offset, 0);
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assert_eq!(line.chords[1].offset, 8);
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}
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#[test]
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fn section_kind_from_label() {
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assert_eq!(SectionKind::from_label("Chorus"), SectionKind::Chorus);
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assert_eq!(SectionKind::from_label("Pre-Chorus"), SectionKind::PreChorus);
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assert_eq!(SectionKind::from_label("Tab"), SectionKind::Tab);
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assert_eq!(SectionKind::from_label("Riff"), SectionKind::Other("Riff".into()));
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}
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}
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