mirror of
https://github.com/dredozubov/polyrhythmix.git
synced 2024-11-25 13:27:43 +00:00
Group refactoring WIP: Broken parsing & tests
This commit is contained in:
Denis Redozubov
parent
3bc67d66cc
commit
1582b47194
3 changed files with 494 additions and 154 deletions
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@ -2,7 +2,7 @@ use std::collections::BTreeMap;
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use std::process::exit;
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use std::str::FromStr;
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use poly::dsl::dsl::{self, KnownLength};
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use poly::dsl::dsl::{self, KnownLength, flatten_groups};
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use poly::midi::core::{create_smf, Part};
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use poly::midi::time::TimeSignature;
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@ -53,10 +53,10 @@ fn validate_and_parse_part(
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match cli {
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None => {}
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Some(pattern) => match dsl::groups(pattern.as_str()) {
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Ok((_, group)) => {
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println!("{:?}: {:?}", part, group);
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println!("group to 128th: {}", group.to_128th());
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patterns.insert(part, group);
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Ok((_, groups)) => {
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println!("{:?}: {:?}", part, groups);
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// println!("group to 128th: {}", group.to_128th());
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patterns.insert(part, groups);
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}
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Err(_) => {
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panic!("{} pattern is malformed.", part_to_string(part))
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555
src/dsl/dsl.rs
555
src/dsl/dsl.rs
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@ -1,17 +1,15 @@
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use std::num::ParseIntError;
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use std::ops::Add;
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use std::str::{self, FromStr};
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use std::vec::Vec;
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use std::ops::{Add};
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use nom::branch::alt;
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pub use nom::character::complete::{char, digit1};
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use nom::multi::many1;
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use nom::sequence::{separated_pair, tuple, delimited};
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use nom::sequence::{delimited, separated_pair, tuple};
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use nom::{Err, IResult};
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use nom::branch::alt;
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use nom::Err::Error;
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use nom::combinator::{map, map_res, all_consuming};
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use nom::combinator::{all_consuming, map, map_res};
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/// Allows measurement in 128th notes.
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pub trait KnownLength {
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@ -26,7 +24,7 @@ pub enum BasicLength {
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Eighth,
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Sixteenth,
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ThirtySecond,
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SixtyFourth
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SixtyFourth,
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}
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impl FromStr for BasicLength {
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@ -36,7 +34,7 @@ impl FromStr for BasicLength {
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let result: Result<u16, ParseIntError> = s.parse();
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match result {
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Ok(n) => Self::from_num(n),
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Result::Err(e) => panic!("{}", e)
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Result::Err(e) => panic!("{}", e),
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}
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}
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}
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@ -65,7 +63,10 @@ impl BasicLength {
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4 => Ok(BasicLength::Fourth),
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2 => Ok(BasicLength::Half),
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1 => Ok(BasicLength::Whole),
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e => Err(format!("{} is not a num BasicLength can be constructed from", e))
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e => Err(format!(
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"{} is not a num BasicLength can be constructed from",
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e
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)),
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}
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}
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@ -80,7 +81,10 @@ impl BasicLength {
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32 => Ok(BasicLength::Fourth),
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64 => Ok(BasicLength::Half),
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128 => Ok(BasicLength::Whole),
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e => Err(format!("{} is not a num BasicLength can be constructed from", e))
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e => Err(format!(
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"{} is not a num BasicLength can be constructed from",
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e
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)),
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}
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}
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}
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@ -99,24 +103,44 @@ impl Add<BasicLength> for BasicLength {
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BasicLength::SixtyFourth => 2,
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};
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if self == rhs && self != BasicLength::Whole {
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Length::Simple(ModdedLength::Plain(BasicLength::from_128th(f(self) * 2).unwrap()))
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Length::Simple(ModdedLength::Plain(
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BasicLength::from_128th(f(self) * 2).unwrap(),
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))
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} else {
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let n1 : u16 = f(self);
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let n1: u16 = f(self);
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let n2 = f(rhs);
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let total = n1 + n2;
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if total > 128 {
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Length::Tied(ModdedLength::Plain(BasicLength::Whole), ModdedLength::Plain(BasicLength::from_128th(total - 128).unwrap()))
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Length::Tied(
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ModdedLength::Plain(BasicLength::Whole),
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ModdedLength::Plain(BasicLength::from_128th(total - 128).unwrap()),
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)
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} else if total > 32 {
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Length::Tied(ModdedLength::Plain(BasicLength::Half), ModdedLength::Plain(BasicLength::from_128th(total - 64).unwrap()))
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Length::Tied(
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ModdedLength::Plain(BasicLength::Half),
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ModdedLength::Plain(BasicLength::from_128th(total - 64).unwrap()),
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)
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} else if total > 16 {
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Length::Tied(ModdedLength::Plain(BasicLength::Fourth), ModdedLength::Plain(BasicLength::from_128th(total - 32).unwrap()))
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Length::Tied(
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ModdedLength::Plain(BasicLength::Fourth),
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ModdedLength::Plain(BasicLength::from_128th(total - 32).unwrap()),
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)
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} else if total > 8 {
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Length::Tied(ModdedLength::Plain(BasicLength::Eighth), ModdedLength::Plain(BasicLength::from_128th(total - 16).unwrap()))
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Length::Tied(
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ModdedLength::Plain(BasicLength::Eighth),
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ModdedLength::Plain(BasicLength::from_128th(total - 16).unwrap()),
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)
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} else if total > 4 {
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Length::Tied(ModdedLength::Plain(BasicLength::Fourth), ModdedLength::Plain(BasicLength::from_128th(total - 8).unwrap()))
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Length::Tied(
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ModdedLength::Plain(BasicLength::Fourth),
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ModdedLength::Plain(BasicLength::from_128th(total - 8).unwrap()),
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)
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} else {
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Length::Tied(ModdedLength::Plain(BasicLength::Half), ModdedLength::Plain(BasicLength::from_128th(total - 4).unwrap()))
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Length::Tied(
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ModdedLength::Plain(BasicLength::Half),
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ModdedLength::Plain(BasicLength::from_128th(total - 4).unwrap()),
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)
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}
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}
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}
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@ -124,15 +148,30 @@ impl Add<BasicLength> for BasicLength {
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#[test]
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fn test_add_basic_length() {
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assert_eq!(BasicLength::Half + BasicLength::Half, Length::Simple(ModdedLength::Plain(BasicLength::Whole)));
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assert_eq!(BasicLength::Whole + BasicLength::Whole, Length::Tied(ModdedLength::Plain(BasicLength::Whole), ModdedLength::Plain(BasicLength::Whole)));
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assert_eq!(BasicLength::Half + BasicLength::SixtyFourth, Length::Tied(ModdedLength::Plain(BasicLength::Half), ModdedLength::Plain(BasicLength::SixtyFourth)));
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assert_eq!(
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BasicLength::Half + BasicLength::Half,
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Length::Simple(ModdedLength::Plain(BasicLength::Whole))
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);
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assert_eq!(
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BasicLength::Whole + BasicLength::Whole,
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Length::Tied(
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ModdedLength::Plain(BasicLength::Whole),
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ModdedLength::Plain(BasicLength::Whole)
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)
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);
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assert_eq!(
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BasicLength::Half + BasicLength::SixtyFourth,
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Length::Tied(
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ModdedLength::Plain(BasicLength::Half),
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ModdedLength::Plain(BasicLength::SixtyFourth)
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)
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);
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}
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#[derive(Debug, Clone, Copy, PartialEq, Eq)]
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pub enum ModdedLength {
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Plain(BasicLength),
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Dotted(BasicLength)
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Dotted(BasicLength),
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}
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impl KnownLength for ModdedLength {
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@ -141,7 +180,7 @@ impl KnownLength for ModdedLength {
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ModdedLength::Plain(bl) => bl.to_128th(),
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ModdedLength::Dotted(bl) => {
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let l = bl.to_128th();
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l + l /2
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l + l / 2
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}
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}
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}
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@ -151,7 +190,7 @@ impl KnownLength for ModdedLength {
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pub enum Length {
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Simple(ModdedLength),
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Tied(ModdedLength, ModdedLength),
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Triplet(ModdedLength)
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Triplet(ModdedLength),
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}
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impl KnownLength for Length {
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@ -159,7 +198,7 @@ impl KnownLength for Length {
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match self {
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Length::Simple(ml) => ml.to_128th(),
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Length::Tied(ml1, ml2) => ml1.to_128th() + ml2.to_128th(),
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Length::Triplet(ml) => ml.to_128th() * 2 / 3
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Length::Triplet(ml) => ml.to_128th() * 2 / 3,
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}
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}
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}
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@ -167,67 +206,82 @@ impl KnownLength for Length {
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#[derive(Debug, Clone, Copy, PartialEq, Eq)]
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pub enum Note {
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Hit,
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Rest
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Rest,
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}
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use Note::*;
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#[allow(dead_code)]
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pub(crate) static WHOLE : &Length = &Length::Simple(ModdedLength::Plain(BasicLength::Whole));
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pub(crate) static WHOLE: &Length = &Length::Simple(ModdedLength::Plain(BasicLength::Whole));
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#[allow(dead_code)]
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pub(crate) static HALF : &Length = &Length::Simple(ModdedLength::Plain(BasicLength::Half));
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pub(crate) static HALF: &Length = &Length::Simple(ModdedLength::Plain(BasicLength::Half));
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#[allow(dead_code)]
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pub(crate) static FOURTH : &Length = &Length::Simple(ModdedLength::Plain(BasicLength::Fourth));
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pub(crate) static FOURTH: &Length = &Length::Simple(ModdedLength::Plain(BasicLength::Fourth));
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#[allow(dead_code)]
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pub(crate) static EIGHTH : &Length = &Length::Simple(ModdedLength::Plain(BasicLength::Eighth));
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pub(crate) static EIGHTH: &Length = &Length::Simple(ModdedLength::Plain(BasicLength::Eighth));
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#[allow(dead_code)]
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pub(crate) static SIXTEENTH : &Length = &Length::Simple(ModdedLength::Plain(BasicLength::Sixteenth));
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pub(crate) static SIXTEENTH: &Length = &Length::Simple(ModdedLength::Plain(BasicLength::Sixteenth));
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#[allow(dead_code)]
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pub(crate) static THIRTY_SECOND : &Length = &Length::Simple(ModdedLength::Plain(BasicLength::ThirtySecond));
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pub(crate) static THIRTY_SECOND: &Length =
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&Length::Simple(ModdedLength::Plain(BasicLength::ThirtySecond));
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#[allow(dead_code)]
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pub(crate) static SIXTY_FOURTH : &Length = &Length::Simple(ModdedLength::Plain(BasicLength::SixtyFourth));
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pub(crate) static SIXTY_FOURTH: &Length =
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&Length::Simple(ModdedLength::Plain(BasicLength::SixtyFourth));
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#[allow(dead_code)]
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pub(crate) static WHOLE_DOTTED_TRIPLET : &Length = &Length::Triplet(ModdedLength::Dotted(BasicLength::Whole));
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pub(crate) static WHOLE_DOTTED_TRIPLET: &Length =
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&Length::Triplet(ModdedLength::Dotted(BasicLength::Whole));
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#[allow(dead_code)]
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pub(crate) static HALF_DOTTED_TRIPLET : &Length = &Length::Triplet(ModdedLength::Dotted(BasicLength::Half));
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pub(crate) static HALF_DOTTED_TRIPLET: &Length =
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&Length::Triplet(ModdedLength::Dotted(BasicLength::Half));
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#[allow(dead_code)]
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pub(crate) static FOURTH_DOTTED_TRIPLET : &Length = &Length::Triplet(ModdedLength::Dotted(BasicLength::Fourth));
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pub(crate) static FOURTH_DOTTED_TRIPLET: &Length =
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&Length::Triplet(ModdedLength::Dotted(BasicLength::Fourth));
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#[allow(dead_code)]
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pub(crate) static EIGHTH_DOTTED_TRIPLET : &Length = &Length::Triplet(ModdedLength::Dotted(BasicLength::Eighth));
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pub(crate) static EIGHTH_DOTTED_TRIPLET: &Length =
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&Length::Triplet(ModdedLength::Dotted(BasicLength::Eighth));
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#[allow(dead_code)]
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pub(crate) static SIXTEENTH_DOTTED_TRIPLET : &Length = &Length::Triplet(ModdedLength::Dotted(BasicLength::Sixteenth));
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pub(crate) static SIXTEENTH_DOTTED_TRIPLET: &Length =
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&Length::Triplet(ModdedLength::Dotted(BasicLength::Sixteenth));
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#[allow(dead_code)]
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pub(crate) static THIRTY_SECOND_DOTTED_TRIPLET : &Length = &Length::Triplet(ModdedLength::Dotted(BasicLength::ThirtySecond));
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pub(crate) static THIRTY_SECOND_DOTTED_TRIPLET: &Length =
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&Length::Triplet(ModdedLength::Dotted(BasicLength::ThirtySecond));
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#[allow(dead_code)]
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pub(crate) static SIXTY_FOURTH_DOTTED_TRIPLET : &Length = &Length::Triplet(ModdedLength::Dotted(BasicLength::SixtyFourth));
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pub(crate) static SIXTY_FOURTH_DOTTED_TRIPLET: &Length =
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&Length::Triplet(ModdedLength::Dotted(BasicLength::SixtyFourth));
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#[allow(dead_code)]
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pub(crate) static WHOLE_TRIPLET : &Length = &Length::Triplet(ModdedLength::Plain(BasicLength::Whole));
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pub(crate) static WHOLE_TRIPLET: &Length =
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&Length::Triplet(ModdedLength::Plain(BasicLength::Whole));
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#[allow(dead_code)]
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pub(crate) static HALF_TRIPLET : &Length = &Length::Triplet(ModdedLength::Plain(BasicLength::Half));
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pub(crate) static HALF_TRIPLET: &Length = &Length::Triplet(ModdedLength::Plain(BasicLength::Half));
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#[allow(dead_code)]
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pub(crate) static FOURTH_TRIPLET : &Length = &Length::Triplet(ModdedLength::Plain(BasicLength::Fourth));
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pub(crate) static FOURTH_TRIPLET: &Length =
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&Length::Triplet(ModdedLength::Plain(BasicLength::Fourth));
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#[allow(dead_code)]
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pub(crate) static EIGHTH_TRIPLET : &Length = &Length::Triplet(ModdedLength::Plain(BasicLength::Eighth));
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pub(crate) static EIGHTH_TRIPLET: &Length =
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&Length::Triplet(ModdedLength::Plain(BasicLength::Eighth));
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#[allow(dead_code)]
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pub(crate) static SIXTEENTH_TRIPLET : &Length = &Length::Triplet(ModdedLength::Plain(BasicLength::Sixteenth));
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pub(crate) static SIXTEENTH_TRIPLET: &Length =
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&Length::Triplet(ModdedLength::Plain(BasicLength::Sixteenth));
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#[allow(dead_code)]
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pub(crate) static THIRTY_SECOND_TRIPLET : &Length = &Length::Triplet(ModdedLength::Plain(BasicLength::ThirtySecond));
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pub(crate) static THIRTY_SECOND_TRIPLET: &Length =
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&Length::Triplet(ModdedLength::Plain(BasicLength::ThirtySecond));
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#[allow(dead_code)]
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pub(crate) static SIXTY_FOURTH_TRIPLET : &Length = &Length::Triplet(ModdedLength::Plain(BasicLength::SixtyFourth));
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pub(crate) static SIXTY_FOURTH_TRIPLET: &Length =
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&Length::Triplet(ModdedLength::Plain(BasicLength::SixtyFourth));
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#[allow(dead_code)]
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pub(crate) static HIT : GroupOrNote = GroupOrNote::SingleNote(Note::Hit);
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pub(crate) static HIT: GroupOrNote = GroupOrNote::SingleNote(Note::Hit);
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#[allow(dead_code)]
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pub(crate) static REST : GroupOrNote = GroupOrNote::SingleNote(Note::Rest);
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pub(crate) static REST: GroupOrNote = GroupOrNote::SingleNote(Note::Rest);
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#[allow(dead_code)]
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pub(crate) static ONCE : &Times = &Times(1);
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pub(crate) static ONCE: &Times = &Times(1);
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#[allow(dead_code)]
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pub(crate) static TWICE: &Times = &Times(2);
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#[allow(dead_code)]
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pub(crate) static THRICE : &Times = &Times(3);
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pub(crate) static THRICE: &Times = &Times(3);
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#[derive(Debug, Clone, Copy, PartialEq, Eq)]
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#[repr(transparent)]
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@ -235,95 +289,145 @@ pub struct Times(pub u16);
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#[derive(Debug, Clone, PartialEq, Eq)]
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pub enum GroupOrNote {
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SingleGroup(Group),
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SingleNote(Note)
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SingleGroup(Group<GroupOrNote>),
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SingleNote(Note),
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}
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use GroupOrNote::*;
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/// There are two useful instantiations of this type:
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/// `Group<GroupOrNote>` acts as a recursive `Group`, dsl parser uses this as return type
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/// `Group<Note>` is a non-recursive group. To go from recursive groups to not-recursive ones, try using `flatten_group`.
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#[derive(Debug, Clone, PartialEq, Eq)]
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pub struct Group {
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pub notes: Vec<GroupOrNote>,
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pub struct Group<T> {
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pub notes: Vec<T>,
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pub length: Length,
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pub times: Times
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pub times: Times,
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}
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impl Group {
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impl<T> Group<T> {
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pub fn empty() -> Self {
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Group { notes: Vec::new(), length: FOURTH.clone(), times: Times(1) }
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Group {
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notes: Vec::new(),
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length: FOURTH.clone(),
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times: Times(1),
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}
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}
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}
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impl KnownLength for &Group {
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impl KnownLength for &Group<GroupOrNote> {
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fn to_128th(&self) -> u32 {
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let mut acc = 0;
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let note_length = self.length.to_128th();
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for group in self.notes.iter() {
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match group {
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GroupOrNote::SingleGroup(subgroup) => { acc += subgroup.to_128th(); },
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GroupOrNote::SingleNote(_) => { acc += note_length; },
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GroupOrNote::SingleGroup(subgroup) => {
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acc += subgroup.to_128th();
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}
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GroupOrNote::SingleNote(_) => {
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acc += note_length;
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}
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}
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};
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}
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acc * self.times.0 as u32
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}
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}
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impl KnownLength for Group {
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impl KnownLength for Group<GroupOrNote> {
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fn to_128th(&self) -> u32 {
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let mut acc = 0;
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let note_length = self.length.to_128th();
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println!("NOTE LENGTH: {}", note_length);
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for group in self.notes.iter() {
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match group {
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GroupOrNote::SingleGroup(subgroup) => { acc += subgroup.to_128th(); },
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GroupOrNote::SingleNote(_) => { acc += note_length; },
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GroupOrNote::SingleGroup(subgroup) => {
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acc += subgroup.to_128th();
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}
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GroupOrNote::SingleNote(_) => {
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acc += note_length;
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}
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||||
}
|
||||
};
|
||||
}
|
||||
acc * self.times.0 as u32
|
||||
}
|
||||
}
|
||||
|
||||
impl KnownLength for Group<Note> {
|
||||
fn to_128th(&self) -> u32 {
|
||||
let mut acc = 0;
|
||||
let note_length = self.length.to_128th();
|
||||
for group in self.notes.iter() {
|
||||
acc += note_length;
|
||||
}
|
||||
acc * self.times.0 as u32
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_known_length_group() {
|
||||
let group = Group { notes: vec![SingleNote(Hit), SingleNote(Hit), SingleNote(Rest), SingleNote(Hit), SingleNote(Rest), SingleNote(Hit), SingleNote(Hit), SingleNote(Rest)], length: SIXTEENTH.clone(), times: Times(1) };
|
||||
let group = Group {
|
||||
notes: vec![
|
||||
SingleNote(Hit),
|
||||
SingleNote(Hit),
|
||||
SingleNote(Rest),
|
||||
SingleNote(Hit),
|
||||
SingleNote(Rest),
|
||||
SingleNote(Hit),
|
||||
SingleNote(Hit),
|
||||
SingleNote(Rest),
|
||||
],
|
||||
length: SIXTEENTH.clone(),
|
||||
times: Times(1),
|
||||
};
|
||||
assert_eq!(group.to_128th(), 64);
|
||||
}
|
||||
|
||||
impl std::ops::Deref for Group {
|
||||
type Target = Vec<GroupOrNote>;
|
||||
#[derive(Debug, Clone, PartialEq, Eq)]
|
||||
pub struct Groups(pub Vec<Group<Note>>);
|
||||
|
||||
fn deref(&self) -> &Self::Target {
|
||||
&self.notes
|
||||
impl IntoIterator for Groups {
|
||||
type Item = Group<Note>;
|
||||
|
||||
type IntoIter = std::vec::IntoIter<Self::Item>;
|
||||
|
||||
fn into_iter(self) -> Self::IntoIter {
|
||||
self.0.into_iter()
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone, PartialEq, Eq)]
|
||||
pub struct Groups(pub Vec<Group>);
|
||||
impl FromIterator<Group<Note>> for Groups {
|
||||
fn from_iter<T: IntoIterator<Item = Group<Note>>>(iter: T) -> Self {
|
||||
Self(Vec::from_iter(iter))
|
||||
}
|
||||
}
|
||||
|
||||
impl KnownLength for Groups {
|
||||
fn to_128th(&self) -> u32 {
|
||||
self.0.iter().fold(0, |acc, x| { acc + x.to_128th() })
|
||||
self.0.iter().fold(0, |acc, x| acc + x.to_128th())
|
||||
}
|
||||
}
|
||||
|
||||
impl KnownLength for &Groups {
|
||||
fn to_128th(&self) -> u32 {
|
||||
self.0.iter().fold(0, |acc, x| { acc + x.to_128th() })
|
||||
self.0.iter().fold(0, |acc, x| acc + x.to_128th())
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_known_length_groups() {
|
||||
let groups = Groups(vec![Group { notes: vec![SingleNote(Hit), SingleNote(Hit), SingleNote(Rest), SingleNote(Hit), SingleNote(Rest), SingleNote(Hit), SingleNote(Hit), SingleNote(Rest)], length: SIXTEENTH.clone(), times: Times(1) }]);
|
||||
let groups = Groups(vec![Group {
|
||||
notes: vec![Hit, Hit, Rest, Hit, Rest, Hit, Hit, Rest],
|
||||
length: SIXTEENTH.clone(),
|
||||
times: Times(1),
|
||||
}]);
|
||||
assert_eq!(groups.to_128th(), 96);
|
||||
}
|
||||
|
||||
fn hit(input: &str) -> IResult<&str, Note> {
|
||||
map(char('x'), |_| { Note::Hit })(input)
|
||||
map(char('x'), |_| Note::Hit)(input)
|
||||
}
|
||||
|
||||
fn rest(input: &str) -> IResult<&str, Note> {
|
||||
map(char('-'), |_| { Note::Rest })(input)
|
||||
map(char('-'), |_| Note::Rest)(input)
|
||||
}
|
||||
|
||||
fn note(input: &str) -> IResult<&str, Note> {
|
||||
|
|
@ -332,95 +436,312 @@ fn note(input: &str) -> IResult<&str, Note> {
|
|||
|
||||
fn length_basic(input: &str) -> IResult<&str, BasicLength> {
|
||||
match map_res(digit1, str::parse)(input) {
|
||||
Ok((r,1)) => Ok((r, BasicLength::Whole)),
|
||||
Ok((r,2)) => Ok((r, BasicLength::Half)),
|
||||
Ok((r,4)) => Ok((r, BasicLength::Fourth)),
|
||||
Ok((r,8)) => Ok((r, BasicLength::Eighth)),
|
||||
Ok((r,16)) => Ok((r, BasicLength::Sixteenth)),
|
||||
Ok((r,32)) => Ok((r, BasicLength::ThirtySecond)),
|
||||
Ok((r, 1)) => Ok((r, BasicLength::Whole)),
|
||||
Ok((r, 2)) => Ok((r, BasicLength::Half)),
|
||||
Ok((r, 4)) => Ok((r, BasicLength::Fourth)),
|
||||
Ok((r, 8)) => Ok((r, BasicLength::Eighth)),
|
||||
Ok((r, 16)) => Ok((r, BasicLength::Sixteenth)),
|
||||
Ok((r, 32)) => Ok((r, BasicLength::ThirtySecond)),
|
||||
Ok((r, 64)) => Ok((r, BasicLength::SixtyFourth)),
|
||||
Ok((r, _)) => {
|
||||
Err(Err::Error(nom::error::make_error(r, nom::error::ErrorKind::Fail)))
|
||||
},
|
||||
Err(e) => Err(e)
|
||||
Ok((r, _)) => Err(Err::Error(nom::error::make_error(
|
||||
r,
|
||||
nom::error::ErrorKind::Fail,
|
||||
))),
|
||||
Err(e) => Err(e),
|
||||
}
|
||||
}
|
||||
|
||||
fn dotted_length(input: &str) -> IResult<&str, ModdedLength> {
|
||||
map(tuple((length_basic, char('.'))), |(l, _)| { ModdedLength::Dotted(l)})(input)
|
||||
map(tuple((length_basic, char('.'))), |(l, _)| {
|
||||
ModdedLength::Dotted(l)
|
||||
})(input)
|
||||
}
|
||||
|
||||
fn modded_length(input: &str) -> IResult<&str, ModdedLength> {
|
||||
alt((dotted_length, map(length_basic, |x| {ModdedLength::Plain(x)})))(input)
|
||||
alt((dotted_length, map(length_basic, |x| ModdedLength::Plain(x))))(input)
|
||||
}
|
||||
|
||||
fn triplet_length(input: &str) -> IResult<&str, Length> {
|
||||
map(tuple((modded_length, char('t'))), |(l, _)| { Length::Triplet(l)})(input)
|
||||
map(tuple((modded_length, char('t'))), |(l, _)| {
|
||||
Length::Triplet(l)
|
||||
})(input)
|
||||
}
|
||||
|
||||
fn tied_length(input: &str) -> IResult<&str, Length> {
|
||||
map(separated_pair(modded_length, char('+'), modded_length), |(x, y)| { Length::Tied(x,y)})(input)
|
||||
map(
|
||||
separated_pair(modded_length, char('+'), modded_length),
|
||||
|(x, y)| Length::Tied(x, y),
|
||||
)(input)
|
||||
}
|
||||
|
||||
fn length(input: &str) -> IResult<&str, Length> {
|
||||
alt((triplet_length, tied_length, map(modded_length, |x| { Length::Simple(x) })))(input)
|
||||
alt((
|
||||
triplet_length,
|
||||
tied_length,
|
||||
map(modded_length, |x| Length::Simple(x)),
|
||||
))(input)
|
||||
}
|
||||
|
||||
fn times(input: &str) -> IResult<&str, Times> {
|
||||
map(map_res(digit1, str::parse), |x| { Times(x) } )(input)
|
||||
map(map_res(digit1, str::parse), |x| Times(x))(input)
|
||||
}
|
||||
|
||||
fn group(input: &str) -> IResult<&str, Group> {
|
||||
let repeated = map(tuple((times, char(','), length, many1(note))), |(t, _, l, n)| { (t, l, n)} );
|
||||
let single = map(tuple((length, many1(note))), |(l, vn)| { (Times(1), l, vn) } );
|
||||
fn group(input: &str) -> IResult<&str, Group<GroupOrNote>> {
|
||||
let repeated = map(
|
||||
tuple((times, char(','), length, many1(note)),
|
||||
|(t, _, l, n)| (t, l, n),
|
||||
);
|
||||
let single = map(tuple((length, many1(note))), |(l, vn)| (Times(1), l, vn));
|
||||
let (rem, (t, l, n)) = alt((repeated, single))(input)?;
|
||||
Ok((rem, Group{ notes: n.iter().map(|x| GroupOrNote::SingleNote(x.clone())).collect(), length: l, times: t}))
|
||||
Ok((
|
||||
rem,
|
||||
Group {
|
||||
notes: n
|
||||
.iter()
|
||||
.map(|x| GroupOrNote::SingleNote(x.clone()))
|
||||
.collect(),
|
||||
length: l,
|
||||
times: t,
|
||||
},
|
||||
))
|
||||
}
|
||||
|
||||
fn delimited_group(input: &str) -> IResult<&str, Group> {
|
||||
fn delimited_group(input: &str) -> IResult<&str, Group<GroupOrNote>> {
|
||||
delimited(char('('), group, char(')'))(input)
|
||||
}
|
||||
|
||||
pub fn group_or_delimited_group(input: &str) -> IResult<&str, Group> {
|
||||
alt((delimited_group, group))(input)
|
||||
pub fn group_or_delimited_group(input: &str) -> IResult<&str, Group<GroupOrNote>> {
|
||||
alt((delimited_group, group))(input)
|
||||
}
|
||||
|
||||
pub fn groups(input: &str) -> IResult<&str, Groups> {
|
||||
all_consuming(many1(group_or_delimited_group))(input).map(|x| { (x.0, Groups(x.1)) } )
|
||||
all_consuming(many1(group_or_delimited_group))(input).map(|x| (x.0, flatten_groups(x.1)))
|
||||
}
|
||||
|
||||
pub fn flatten_group(input: Group<GroupOrNote>) -> Groups {
|
||||
let mut note_group = Vec::new();
|
||||
let mut out_groups = Vec::new();
|
||||
input.notes.iter().for_each(|g| match g {
|
||||
SingleGroup(group) => {
|
||||
let isolated_group = Group { notes: note_group.clone(), length: input.length, times: Times(1) };
|
||||
out_groups.push(isolated_group);
|
||||
note_group.clear();
|
||||
out_groups.extend(flatten_group(group.clone()).0);
|
||||
},
|
||||
SingleNote(note) => {
|
||||
note_group.push(*note);
|
||||
}
|
||||
});
|
||||
Groups(out_groups.iter().cloned().cycle().take(out_groups.len() * (input.times.0 as usize)).collect())
|
||||
}
|
||||
|
||||
pub fn flatten_groups<I>(input_groups: I) -> Groups
|
||||
where
|
||||
I: IntoIterator<Item = Group<GroupOrNote>>
|
||||
{
|
||||
let mut out = Vec::new();
|
||||
input_groups.into_iter().for_each(|g| {
|
||||
let flattened = flatten_group(g).0;
|
||||
out.extend(flattened);
|
||||
});
|
||||
|
||||
Groups(out)
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_flatten_group() {
|
||||
let out = Groups(vec![
|
||||
Group {
|
||||
notes: vec![Hit],
|
||||
length: *SIXTEENTH,
|
||||
times: Times(1),
|
||||
},
|
||||
Group {
|
||||
notes: vec![Rest, Hit],
|
||||
length: *EIGHTH,
|
||||
times: Times(3),
|
||||
},
|
||||
Group {
|
||||
notes: vec![Hit],
|
||||
length: *SIXTEENTH,
|
||||
times: Times(1)
|
||||
},
|
||||
Group {
|
||||
notes: vec![Rest, Hit],
|
||||
length: *EIGHTH,
|
||||
times: Times(3)
|
||||
}
|
||||
]);
|
||||
assert_eq!(flatten_group(group("(2,16x(3,8-x))").unwrap().1), out);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn parse_length() {
|
||||
assert_eq!(length("16"), Ok(("", *SIXTEENTH)));
|
||||
assert_eq!(length("8+16"), Ok(("", Length::Tied(ModdedLength::Plain(BasicLength::Eighth), ModdedLength::Plain(BasicLength::Sixteenth)))));
|
||||
assert_eq!(length("8t"), Ok(("", *EIGHTH_TRIPLET)));
|
||||
assert_eq!(length("4.t"), Ok(("", *FOURTH_DOTTED_TRIPLET)));
|
||||
assert_eq!(length("16"), Ok(("", *SIXTEENTH)));
|
||||
assert_eq!(
|
||||
length("8+16"),
|
||||
Ok((
|
||||
"",
|
||||
Length::Tied(
|
||||
ModdedLength::Plain(BasicLength::Eighth),
|
||||
ModdedLength::Plain(BasicLength::Sixteenth)
|
||||
)
|
||||
))
|
||||
);
|
||||
assert_eq!(length("8t"), Ok(("", *EIGHTH_TRIPLET)));
|
||||
assert_eq!(length("4.t"), Ok(("", *FOURTH_DOTTED_TRIPLET)));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn parse_groups() {
|
||||
assert_eq!(groups("8x-(7,8xx)"), Ok(("", Groups(vec![Group { notes: vec![SingleNote(Hit), SingleNote(Rest)], length: *EIGHTH, times: Times(1) }, Group { notes: vec![SingleNote(Hit), SingleNote(Hit)], length: *EIGHTH, times: Times(7) }]))));
|
||||
assert_eq!(groups("8x-(7,8xx"), Err(Err::Error(nom::error::make_error("(7,8xx", nom::error::ErrorKind::Eof))));
|
||||
assert_eq!(
|
||||
groups("8x-(7,8xx)"),
|
||||
Ok((
|
||||
"",
|
||||
Groups(vec![
|
||||
Group {
|
||||
notes: vec![Hit, Rest],
|
||||
length: *EIGHTH,
|
||||
times: Times(1)
|
||||
},
|
||||
Group {
|
||||
notes: vec![Hit, Hit],
|
||||
length: *EIGHTH,
|
||||
times: Times(7)
|
||||
}
|
||||
])
|
||||
))
|
||||
);
|
||||
assert_eq!(
|
||||
groups("8x-(7,8xx"),
|
||||
Err(Err::Error(nom::error::make_error(
|
||||
"(7,8xx",
|
||||
nom::error::ErrorKind::Eof
|
||||
)))
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn parse_group() {
|
||||
assert_eq!(group("16x--x-"), Ok(("", Group { times: *ONCE, notes: vec![HIT.clone(), REST.clone(), REST.clone(), HIT.clone(), REST.clone()], length: *SIXTEENTH})));
|
||||
assert_eq!(group("8txxx"), Ok(("", Group { times: *ONCE, notes: vec![HIT.clone(), HIT.clone(), HIT.clone()], length: *EIGHTH_TRIPLET})));
|
||||
assert_eq!(group("16+32x-xx"), Ok(("", Group { times: *ONCE, notes: vec![HIT.clone(), REST.clone(), HIT.clone(), HIT.clone()], length: Length::Tied(ModdedLength::Plain(BasicLength::Sixteenth), ModdedLength::Plain(BasicLength::ThirtySecond))})));
|
||||
assert_eq!(group("3,16xx"), Ok(("", Group { times: *THRICE, length: *SIXTEENTH, notes: vec![HIT.clone(), HIT.clone()] })));
|
||||
assert_eq!(
|
||||
group("16x--x-"),
|
||||
Ok((
|
||||
"",
|
||||
Group {
|
||||
times: *ONCE,
|
||||
notes: vec![
|
||||
HIT.clone(),
|
||||
REST.clone(),
|
||||
REST.clone(),
|
||||
HIT.clone(),
|
||||
REST.clone()
|
||||
],
|
||||
length: *SIXTEENTH
|
||||
}
|
||||
))
|
||||
);
|
||||
assert_eq!(
|
||||
group("8txxx"),
|
||||
Ok((
|
||||
"",
|
||||
Group {
|
||||
times: *ONCE,
|
||||
notes: vec![HIT.clone(), HIT.clone(), HIT.clone()],
|
||||
length: *EIGHTH_TRIPLET
|
||||
}
|
||||
))
|
||||
);
|
||||
assert_eq!(
|
||||
group("16+32x-xx"),
|
||||
Ok((
|
||||
"",
|
||||
Group {
|
||||
times: *ONCE,
|
||||
notes: vec![HIT.clone(), REST.clone(), HIT.clone(), HIT.clone()],
|
||||
length: Length::Tied(
|
||||
ModdedLength::Plain(BasicLength::Sixteenth),
|
||||
ModdedLength::Plain(BasicLength::ThirtySecond)
|
||||
)
|
||||
}
|
||||
))
|
||||
);
|
||||
assert_eq!(
|
||||
group("3,16xx"),
|
||||
Ok((
|
||||
"",
|
||||
Group {
|
||||
times: *THRICE,
|
||||
length: *SIXTEENTH,
|
||||
notes: vec![HIT.clone(), HIT.clone()]
|
||||
}
|
||||
))
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn parse_delimited_group() {
|
||||
assert_eq!(delimited_group("(3,16x--x-)"), Ok(("", Group { times: *THRICE, notes: vec![HIT.clone(), REST.clone(), REST.clone(), HIT.clone(), REST.clone()], length: *SIXTEENTH})));
|
||||
assert_eq!(
|
||||
delimited_group("(3,16x--x-)"),
|
||||
Ok((
|
||||
"",
|
||||
Group {
|
||||
times: *THRICE,
|
||||
notes: vec![
|
||||
HIT.clone(),
|
||||
REST.clone(),
|
||||
REST.clone(),
|
||||
HIT.clone(),
|
||||
REST.clone()
|
||||
],
|
||||
length: *SIXTEENTH
|
||||
}
|
||||
))
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn parse_group_or_delimited_group() {
|
||||
assert_eq!(group_or_delimited_group("(3,16x--x-)"), Ok(("", Group { times: *THRICE, notes: vec![HIT.clone(), REST.clone(), REST.clone(), HIT.clone(), REST.clone()], length: *SIXTEENTH})));
|
||||
assert_eq!(group_or_delimited_group("16x--x-"), Ok(("", Group { times: *ONCE, notes: vec![HIT.clone(), REST.clone(), REST.clone(), HIT.clone(), REST.clone()], length: *SIXTEENTH})));
|
||||
assert_eq!(group_or_delimited_group("(7,8xx"), Err(Err::Error(nom::error::make_error("(7,8xx", nom::error::ErrorKind::Digit))));
|
||||
assert_eq!(
|
||||
group_or_delimited_group("(3,16x--x-)"),
|
||||
Ok((
|
||||
"",
|
||||
Group {
|
||||
times: *THRICE,
|
||||
notes: vec![
|
||||
HIT.clone(),
|
||||
REST.clone(),
|
||||
REST.clone(),
|
||||
HIT.clone(),
|
||||
REST.clone()
|
||||
],
|
||||
length: *SIXTEENTH
|
||||
}
|
||||
))
|
||||
);
|
||||
assert_eq!(
|
||||
group_or_delimited_group("16x--x-"),
|
||||
Ok((
|
||||
"",
|
||||
Group {
|
||||
times: *ONCE,
|
||||
notes: vec![
|
||||
HIT.clone(),
|
||||
REST.clone(),
|
||||
REST.clone(),
|
||||
HIT.clone(),
|
||||
REST.clone()
|
||||
],
|
||||
length: *SIXTEENTH
|
||||
}
|
||||
))
|
||||
);
|
||||
assert_eq!(
|
||||
group_or_delimited_group("(7,8xx"),
|
||||
Err(Err::Error(nom::error::make_error(
|
||||
"(7,8xx",
|
||||
nom::error::ErrorKind::Digit
|
||||
)))
|
||||
);
|
||||
}
|
||||
|
||||
// “x” hit
|
||||
|
|
|
|||
|
|
@ -14,7 +14,7 @@ use midly::{MetaMessage, TrackEvent};
|
|||
|
||||
use crate::dsl::dsl::{
|
||||
group_or_delimited_group, groups, BasicLength, Group, GroupOrNote, Groups, KnownLength, Length,
|
||||
ModdedLength, Note, Times,
|
||||
ModdedLength, Note, Times, flatten_group,
|
||||
};
|
||||
use crate::midi::time::TimeSignature;
|
||||
use GroupOrNote::*;
|
||||
|
|
@ -201,7 +201,21 @@ impl<T> EventGrid<T> {
|
|||
}
|
||||
}
|
||||
|
||||
// FIXME: add a mutable version for use in `flatten_groups`
|
||||
impl<T> EventGrid<T>
|
||||
where
|
||||
T: Clone
|
||||
{
|
||||
pub fn extend(&self, other: &EventGrid<T>) -> EventGrid<T> {
|
||||
let combined = self.events.iter().cloned().chain(other.events.iter().cloned()).collect();
|
||||
EventGrid { events: combined, length: self.length + other.length }
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// FIXME: add a mutable version for use in `groups_to_event_grid`
|
||||
/// Adds two EventGrids together, manipulates the time of the right `EventGrid` by
|
||||
/// adding the length of the left one to timings.
|
||||
/// If you need to concat two `EventGrid`s without messing up with times, then use `extend`.
|
||||
impl<T: Add<Tick, Output = T> + Clone + Ord + std::fmt::Debug> Add for EventGrid<T> {
|
||||
type Output = EventGrid<T>;
|
||||
|
||||
|
|
@ -404,12 +418,12 @@ impl MidiTempo {
|
|||
|
||||
/// Returns an EventGrid and a total length. Length is needed as a group can end with rests that are not in the grid,
|
||||
/// so we need it to cycle the group.
|
||||
fn flatten_group(
|
||||
fn group_to_event_grid(
|
||||
Group {
|
||||
notes,
|
||||
length,
|
||||
times,
|
||||
}: &Group,
|
||||
}: &Group<Note>,
|
||||
part: Part,
|
||||
start: &Tick,
|
||||
) -> EventGrid<Tick> {
|
||||
|
|
@ -418,18 +432,19 @@ fn flatten_group(
|
|||
let mut grid = EventGrid::empty();
|
||||
notes.iter().for_each(|entry| {
|
||||
match entry {
|
||||
SingleGroup(group) => {
|
||||
let mut eg = flatten_group(&group, part, &time.clone());
|
||||
grid.events.append(&mut eg.events);
|
||||
grid.length = grid.length + eg.length;
|
||||
time = time + grid.length;
|
||||
}
|
||||
SingleNote(Note::Rest) => {
|
||||
// SingleGroup(group) => {
|
||||
// let mut eg = group_to_event_grid(&group, part, &time.clone());
|
||||
// println!("SINGLE GROUP EVENTGRID: {:?}", eg);
|
||||
// grid.events.append(&mut eg.events);
|
||||
// grid.length = grid.length + eg.length;
|
||||
// time = time + grid.length;
|
||||
// }
|
||||
Rest => {
|
||||
let rest_end = time + note_length;
|
||||
time = rest_end;
|
||||
grid.length = rest_end;
|
||||
}
|
||||
SingleNote(Note::Hit) => {
|
||||
Hit => {
|
||||
let note_end = time + note_length;
|
||||
let note_on = Event {
|
||||
tick: time,
|
||||
|
|
@ -451,11 +466,11 @@ fn flatten_group(
|
|||
}
|
||||
|
||||
#[test]
|
||||
fn test_flatten_group() {
|
||||
fn test_group_to_event_grid() {
|
||||
let start_time = Tick(0);
|
||||
assert_eq!(
|
||||
flatten_group(
|
||||
&group_or_delimited_group("(2,8x--)").unwrap().1,
|
||||
group_to_event_grid(
|
||||
flatten_group(group_or_delimited_group("(2,8x--)").unwrap().1).0.first().unwrap(),
|
||||
KickDrum,
|
||||
&start_time
|
||||
),
|
||||
|
|
@ -500,13 +515,17 @@ fn test_cycle_grid() {
|
|||
|
||||
/// Takes multiple `Group`s and turn them into a single `EventGrid`.
|
||||
/// The point of it is to combine timings into a single MIDI track.
|
||||
fn flatten_groups(part: Part, groups: &Groups) -> EventGrid<Tick> {
|
||||
fn groups_to_event_grid(part: Part, groups: &Groups) -> EventGrid<Tick> {
|
||||
let mut time: Tick = Tick(0);
|
||||
let mut grid: EventGrid<Tick> = EventGrid::empty();
|
||||
groups.0.iter().for_each(|group| {
|
||||
// `flatten_group` doesn't know at which point in time groups starts unless we pass
|
||||
// `group_to_event_grid` doesn't know at which point in time groups starts unless we pass
|
||||
// `time` explicitly. Only the first `Group` in `Groups` starts at zero.
|
||||
grid = grid.clone() + flatten_group(group, part, &time);
|
||||
let flattened_group = group_to_event_grid(group, part, &time);
|
||||
println!("(groups_to_event_grid) FLATTENED GROUP: {:?}", flattened_group);
|
||||
|
||||
// Note that using `+` is wrong here as it's messing with timings and it really shouldn't
|
||||
grid = grid.extend(&flattened_group);
|
||||
time = grid.length;
|
||||
});
|
||||
grid
|
||||
|
|
@ -574,13 +593,13 @@ impl Iterator for EventIterator {
|
|||
#[test]
|
||||
fn test_event_iterator_impl() {
|
||||
let empty = EventGrid::empty();
|
||||
let kick1 = flatten_group(
|
||||
&group_or_delimited_group("(4x-)").unwrap().1,
|
||||
let kick1 = group_to_event_grid(
|
||||
&flatten_group(group_or_delimited_group("(4x-)").unwrap().1).0.first().unwrap(),
|
||||
KickDrum,
|
||||
&mut Tick(0),
|
||||
);
|
||||
let snare1 = flatten_group(
|
||||
&group_or_delimited_group("4-x").unwrap().1,
|
||||
let snare1 = group_to_event_grid(
|
||||
&flatten_group(group_or_delimited_group("(4-x)").unwrap().1).0.first().unwrap(),
|
||||
SnareDrum,
|
||||
&mut Tick(0),
|
||||
);
|
||||
|
|
@ -642,7 +661,7 @@ fn test_event_iterator_impl() {
|
|||
/// Calling .collect() on this EventIterator should produce an `EventGrid`.
|
||||
///
|
||||
/// Returns time as a number of ticks from beginning, has to be turned into the midi delta-time.
|
||||
fn flatten_to_iterator(
|
||||
fn merge_to_iterator(
|
||||
groups: BTreeMap<Part, Groups>,
|
||||
time_signature: TimeSignature,
|
||||
) -> EventIterator {
|
||||
|
|
@ -677,7 +696,7 @@ fn flatten_to_iterator(
|
|||
let length_128th = length_map.get(part).unwrap();
|
||||
let times = length_limit / length_128th;
|
||||
println!("TIMES: {}", times);
|
||||
let flattened = flatten_groups(*part, groups);
|
||||
let flattened = groups_to_event_grid(*part, groups);
|
||||
println!("FLATTENED: {:?}", flattened);
|
||||
(flattened, times)
|
||||
}
|
||||
|
|
@ -702,14 +721,14 @@ fn flatten_to_iterator(
|
|||
}
|
||||
|
||||
#[test]
|
||||
fn test_flatten_to_iterator() {
|
||||
fn test_merge_to_iterator() {
|
||||
let snare_group = "8-x--x-";
|
||||
let kick_group = "16xx-x-xx-";
|
||||
|
||||
let kick_events = vec![Event { tick: Tick(0), event_type: NoteOn(KickDrum) }, Event { tick: Tick(12), event_type: NoteOff(KickDrum) }, Event { tick: Tick(12), event_type: NoteOn(KickDrum) }, Event { tick: Tick(24), event_type: NoteOff(KickDrum) }, Event { tick: Tick(36), event_type: NoteOn(KickDrum) }, Event { tick: Tick(48), event_type: NoteOff(KickDrum) }, Event { tick: Tick(60), event_type: NoteOn(KickDrum) }, Event { tick: Tick(72), event_type: NoteOff(KickDrum) }, Event { tick: Tick(72), event_type: NoteOn(KickDrum) }, Event { tick: Tick(84), event_type: NoteOff(KickDrum) }, Event { tick: Tick(96), event_type: NoteOn(KickDrum) }, Event { tick: Tick(108), event_type: NoteOff(KickDrum) }, Event { tick: Tick(108), event_type: NoteOn(KickDrum) }, Event { tick: Tick(120), event_type: NoteOff(KickDrum) }, Event { tick: Tick(132), event_type: NoteOn(KickDrum) }, Event { tick: Tick(144), event_type: NoteOff(KickDrum) }, Event { tick: Tick(156), event_type: NoteOn(KickDrum) }, Event { tick: Tick(168), event_type: NoteOff(KickDrum) }, Event { tick: Tick(168), event_type: NoteOn(KickDrum) }, Event { tick: Tick(180), event_type: NoteOff(KickDrum) }];
|
||||
let snare_events = vec![Event { tick: Tick(24), event_type: NoteOn(SnareDrum) }, Event { tick: Tick(48), event_type: NoteOff(SnareDrum) }, Event { tick: Tick(96), event_type: NoteOn(SnareDrum) }, Event { tick: Tick(120), event_type: NoteOff(SnareDrum) }, Event { tick: Tick(24+144), event_type: NoteOn(SnareDrum) }, Event { tick: Tick(48+144), event_type: NoteOff(SnareDrum) }, Event { tick: Tick(96+144), event_type: NoteOn(SnareDrum) }, Event { tick: Tick(120+144), event_type: NoteOff(SnareDrum) }, Event { tick: Tick(24+288), event_type: NoteOn(SnareDrum) }, Event { tick: Tick(48+288), event_type: NoteOff(SnareDrum) }, Event { tick: Tick(96+288), event_type: NoteOn(SnareDrum) }, Event { tick: Tick(120+288), event_type: NoteOff(SnareDrum) }, Event { tick: Tick(24+144*3), event_type: NoteOn(SnareDrum) }, Event { tick: Tick(48+144*3), event_type: NoteOff(SnareDrum) }, Event { tick: Tick(96+144*3), event_type: NoteOn(SnareDrum) }, Event { tick: Tick(120+144*3), event_type: NoteOff(SnareDrum) }];
|
||||
let four_fourth = TimeSignature::from_str("4/4").unwrap();
|
||||
let flattened_kick_and_snare = flatten_to_iterator(
|
||||
let flattened_kick_and_snare = merge_to_iterator(
|
||||
BTreeMap::from_iter([
|
||||
(KickDrum, groups("16xx-x-xx-").unwrap().1),
|
||||
(SnareDrum, groups("8-x--x-").unwrap().1),
|
||||
|
|
@ -718,8 +737,8 @@ fn test_flatten_to_iterator() {
|
|||
)
|
||||
.collect::<Vec<Event<Tick>>>();
|
||||
|
||||
assert_eq!(flatten_to_iterator(BTreeMap::from_iter([(KickDrum, groups(kick_group).unwrap().1)]), four_fourth).collect::<Vec<Event<Tick>>>(), kick_events);
|
||||
assert_eq!(flatten_to_iterator(BTreeMap::from_iter([(SnareDrum, groups(snare_group).unwrap().1)]), four_fourth).collect::<Vec<Event<Tick>>>(), snare_events);
|
||||
assert_eq!(merge_to_iterator(BTreeMap::from_iter([(KickDrum, groups(kick_group).unwrap().1)]), four_fourth).collect::<Vec<Event<Tick>>>(), kick_events);
|
||||
assert_eq!(merge_to_iterator(BTreeMap::from_iter([(SnareDrum, groups(snare_group).unwrap().1)]), four_fourth).collect::<Vec<Event<Tick>>>(), snare_events);
|
||||
assert_eq!(
|
||||
kick_events
|
||||
.iter()
|
||||
|
|
@ -765,7 +784,7 @@ fn create_tracks<'a>(
|
|||
text_event: &'a str,
|
||||
midi_tempo: MidiTempo
|
||||
) -> Vec<Vec<midly::TrackEvent<'a>>> {
|
||||
let events_iter = flatten_to_iterator(parts_and_groups, time_signature);
|
||||
let events_iter = merge_to_iterator(parts_and_groups, time_signature);
|
||||
let events: Vec<Event<Tick>> = events_iter.collect();
|
||||
// Notice this time can be incorrect, but it shouldn't matter.
|
||||
let time = match events.last() {
|
||||
|
|
|
|||
Loading…
Reference in a new issue