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use fehler::throws;
use std::collections::HashMap;
use std::sync::{Arc, Weak};
use thiserror::Error;
use crate::prelude::{BarLane, Form, LaneEntry, ModelEntry, Section, Tab, TabBar, TabMeta, Track, Slice};
use notation_proto::prelude::{Duration, Entry, ProtoEntry, Units};
#[derive(Error, Clone, Debug)]
pub enum ParseError {
#[error("track not found")]
TrackNotFound(String),
#[error("section not found")]
SectionNotFound(String),
}
impl Tab {
#[throws(ParseError)]
pub fn try_parse_arc(proto: notation_proto::prelude::Tab, add_ready_section: bool, bars_range:Option<(usize, usize)>) -> Arc<Self> {
Arc::<Tab>::new_cyclic(|weak_self| {
let uuid = proto.uuid;
let meta = Arc::new(proto.meta);
let tracks = proto
.tracks
.into_iter()
.enumerate()
.map(|(index, track)| Track::new_arc(weak_self.clone(), index, track))
.collect();
let mut sections = Vec::new();
let mut add_section = |index: usize, section: notation_proto::prelude::Section| {
let section_id = section.id.clone();
match Section::try_new(weak_self.clone(), index, section, &tracks).map(Arc::new) {
Ok(section) => sections.push(section),
Err(err) => println!(
"Tab::try_parse_arc(), bad section: {} {} -> {}",
index, section_id, err
),
}
};
if add_ready_section {
add_section(0, notation_proto::prelude::Section::new_ready());
}
for (index, section) in proto.sections.into_iter().enumerate() {
add_section(index, section);
}
let form = Form::new(add_ready_section, proto.form, §ions);
let all_bars = Self::new_tab_bars(add_ready_section, weak_self, &meta, &form);
let bars = if let Some((begin, end)) = bars_range {
if begin < all_bars.len() && end < all_bars.len() && end >= begin {
let ready_added = add_ready_section && begin > 0;
let mut bars: Vec<Arc<TabBar>> = all_bars[begin..=end].iter()
.enumerate()
.map(|(index, bar)| {
let bar_ordinal = if ready_added { index + 1 } else { index };
let bar_number = if ready_added {
begin + index
} else {
begin + index + 1
};
TabBar::new_arc(
bar.tab.clone(),
bar.section.clone(),
bar.proto.clone(),
bar.props.section_round,
bar.props.section_ordinal,
bar.props.bar_index,
bar_ordinal,
bar_number,
bar.props.bar_units,
)
}).collect();
if ready_added {
bars.insert(0, all_bars[0].clone());
}
bars
} else {
all_bars
}
} else {
all_bars
};
Self {
uuid,
meta,
tracks,
sections,
form,
bars,
}
})
}
fn new_tab_bars(add_ready_section: bool, weak_self: &Weak<Tab>, meta: &TabMeta, form: &Form) -> Vec<Arc<TabBar>> {
let mut section_rounds: HashMap<String, usize> = HashMap::new();
let mut section_ordinal: usize = 0;
let mut bar_ordinal: usize = 0;
let mut bars: Vec<Arc<TabBar>> = vec![];
for section in form.sections.iter() {
let section_round = match section_rounds.get(§ion.id) {
Some(r) => r + 1,
None => 1,
};
section_rounds.insert(section.id.clone(), section_round);
bars.extend(section.new_tab_bars(
add_ready_section,
section.clone(),
weak_self.clone(),
section_round,
section_ordinal,
bar_ordinal,
meta.bar_units(),
));
section_ordinal += 1;
bar_ordinal += section.bars.len();
println!(
"new_tab_bars() section: {} <{}> -> {:?} bars",
section.id,
section.kind,
section.bars.len()
);
}
println!("new_tab_bars() -> {:?} bars", bars.len());
bars
}
}
impl Section {
pub fn new_tab_bars(
&self,
add_ready_section: bool,
arc_section: Arc<Section>,
tab: Weak<Tab>,
section_round: usize,
section_ordinal: usize,
section_bar_ordinal: usize,
bar_units: Units,
) -> Vec<Arc<TabBar>> {
self.bars
.iter()
.enumerate()
.map(|(bar_index, bar)| {
let bar_ordinal = section_bar_ordinal + bar_index;
let bar_number = if !add_ready_section {
bar_ordinal + 1
} else {
bar_ordinal
};
TabBar::new_arc(
tab.clone(),
arc_section.clone(),
bar.clone(),
section_round,
section_ordinal,
bar_index,
bar_ordinal,
bar_number,
bar_units,
)
})
.collect()
}
}
impl ModelEntry {
pub fn calc_tied_units(entries: &Vec<ProtoEntry>, index: usize) -> Units {
let mut units = Units(0.0);
if let Some(entry) = entries.get(index) {
units = units + Units::from(entry.duration());
if let Some(next_entry) = entries.get(index + 1) {
if next_entry.is_core_tie() {
for i in index + 2..entries.len() {
let peek_entry = entries.get(i).unwrap();
if peek_entry.duration() != Duration::Zero {
return units + Self::calc_tied_units(entries, i);
}
}
}
}
}
units
}
pub fn new_entries(v: Vec<ProtoEntry>, track: &Weak<Track>) -> Vec<Arc<ModelEntry>> {
let entries = v.clone();
v.into_iter()
.map(Arc::new)
.enumerate()
.map(|(index, entry)| {
let tied_units = Self::calc_tied_units(&entries, index);
ModelEntry::new(track.clone(), entry, index, tied_units)
})
.map(Arc::new)
.collect()
}
}
impl LaneEntry {
pub fn new_entries(v: Vec<Arc<ModelEntry>>, lane: &Weak<BarLane>, slice: Slice) -> Vec<Arc<LaneEntry>> {
let mut pos = 0.0;
v.into_iter()
.enumerate()
.map(|(index, entry)| {
let in_bar_pos = pos;
pos += Units::from(entry.as_ref().duration()).0;
LaneEntry::new(lane.clone(), slice.clone(), index, index, entry, Units(in_bar_pos))
})
.map(Arc::new)
.collect()
}
}
