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refactor(varcon): Reduce boilerplate
This commit is contained in:
Ed Page
parent
0068450bf1
commit
62aab867ab
1 changed files with 26 additions and 34 deletions
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@ -1,7 +1,13 @@
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use winnow::ascii::space1;
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use winnow::combinator::alt;
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use winnow::combinator::cut_err;
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use winnow::combinator::delimited;
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use winnow::combinator::opt;
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use winnow::combinator::preceded;
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use winnow::combinator::terminated;
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use winnow::combinator::trace;
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use winnow::prelude::*;
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use winnow::token::one_of;
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use crate::{Category, Cluster, Entry, Pos, Tag, Type, Variant};
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@ -548,18 +554,15 @@ impl Cluster {
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winnow::ascii::till_line_ending,
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winnow::ascii::line_ending,
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);
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let note = winnow::combinator::preceded(
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let note = preceded(
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("##", winnow::ascii::space0),
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winnow::combinator::terminated(
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winnow::ascii::till_line_ending,
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winnow::ascii::line_ending,
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),
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terminated(winnow::ascii::till_line_ending, winnow::ascii::line_ending),
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);
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let mut cluster = (
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winnow::combinator::opt(header),
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opt(header),
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winnow::combinator::repeat(
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1..,
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winnow::combinator::terminated(Entry::parse_, winnow::ascii::line_ending),
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terminated(Entry::parse_, winnow::ascii::line_ending),
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),
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winnow::combinator::repeat(0.., note),
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);
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@ -962,16 +965,11 @@ impl Entry {
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winnow::combinator::separated(1.., Variant::parse_, var_sep).parse_next(input)?;
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let desc_sep = (winnow::ascii::space0, '|');
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let description =
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winnow::combinator::opt((desc_sep, Self::parse_description)).parse_next(input)?;
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let description = opt((desc_sep, Self::parse_description)).parse_next(input)?;
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let comment_sep = (winnow::ascii::space0, '#');
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let comment = winnow::combinator::opt((
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comment_sep,
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winnow::ascii::space1,
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winnow::ascii::till_line_ending,
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))
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.parse_next(input)?;
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let comment =
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opt((comment_sep, space1, winnow::ascii::till_line_ending)).parse_next(input)?;
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let mut e = match description {
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Some((_, description)) => description,
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@ -993,19 +991,13 @@ impl Entry {
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fn parse_description(input: &mut &str) -> PResult<Self, ()> {
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trace("description", move |input: &mut &str| {
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let _ = winnow::combinator::opt((winnow::ascii::space1, "<abbr>")).parse_next(input)?;
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let _ = winnow::combinator::opt((winnow::ascii::space1, "<pl>")).parse_next(input)?;
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let pos = winnow::combinator::opt((
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winnow::ascii::space1,
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delimited('<', cut_err(Pos::parse_), cut_err('>')),
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))
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.parse_next(input)?;
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let archaic =
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winnow::combinator::opt((winnow::ascii::space1, archaic)).parse_next(input)?;
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let note =
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winnow::combinator::opt((winnow::ascii::space1, NOTE_PREFIX)).parse_next(input)?;
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let description =
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winnow::combinator::opt((winnow::ascii::space1, description)).parse_next(input)?;
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let _ = opt((space1, "<abbr>")).parse_next(input)?;
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let _ = opt((space1, "<pl>")).parse_next(input)?;
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let pos = opt((space1, delimited('<', cut_err(Pos::parse_), cut_err('>'))))
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.parse_next(input)?;
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let archaic = opt((space1, archaic)).parse_next(input)?;
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let note = opt((space1, NOTE_PREFIX)).parse_next(input)?;
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let description = opt((space1, description)).parse_next(input)?;
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let variants = Vec::new();
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let pos = pos.map(|(_, p)| p);
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@ -1523,7 +1515,7 @@ impl Variant {
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fn parse_(input: &mut &str) -> PResult<Self, ()> {
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trace("variant", move |input: &mut &str| {
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let types = winnow::combinator::separated(1.., Type::parse_, winnow::ascii::space1);
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let types = winnow::combinator::separated(1.., Type::parse_, space1);
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let sep = (":", winnow::ascii::space0);
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let (types, word) =
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winnow::combinator::separated_pair(types, sep, word).parse_next(input)?;
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@ -1650,8 +1642,8 @@ impl Type {
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fn parse_(input: &mut &str) -> PResult<Type, ()> {
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trace("type", move |input: &mut &str| {
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let category = Category::parse_(input)?;
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let tag = winnow::combinator::opt(Tag::parse_).parse_next(input)?;
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let num = winnow::combinator::opt(winnow::ascii::digit1).parse_next(input)?;
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let tag = opt(Tag::parse_).parse_next(input)?;
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let num = opt(winnow::ascii::digit1).parse_next(input)?;
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let num = num.map(|s| s.parse().expect("parser ensured it's a number"));
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let t = Type { category, tag, num };
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Ok(t)
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@ -1765,7 +1757,7 @@ impl Category {
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fn parse_(input: &mut &str) -> PResult<Self, ()> {
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trace("category", move |input: &mut &str| {
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let symbols = winnow::token::one_of(['A', 'B', 'Z', 'C', 'D', '_']);
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let symbols = one_of(['A', 'B', 'Z', 'C', 'D', '_']);
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symbols
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.map(|c| match c {
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'A' => Category::American,
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@ -1824,7 +1816,7 @@ impl Tag {
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fn parse_(input: &mut &str) -> PResult<Self, ()> {
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trace("tag", move |input: &mut &str| {
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let symbols = winnow::token::one_of(['.', 'v', 'V', '-', 'x']);
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let symbols = one_of(['.', 'v', 'V', '-', 'x']);
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symbols
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.map(|c| match c {
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'.' => Tag::Eq,
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@ -1882,7 +1874,7 @@ impl Pos {
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fn parse_(input: &mut &str) -> PResult<Self, ()> {
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trace("pos", move |input: &mut &str| {
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winnow::combinator::alt((
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alt((
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"N".value(Pos::Noun),
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"V".value(Pos::Verb),
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"Adj".value(Pos::Adjective),
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