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Improve the SGF representation and API #69

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savanni merged 2 commits from improved-sgf-api into main 2023-08-30 03:20:09 +00:00
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5 changed files with 351 additions and 166 deletions
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1
Cargo.lock generated
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@ -2304,6 +2304,7 @@ name = "sgf"
version = "0.1.0"
dependencies = [
"chrono",
"cool_asserts",
"nom",
"serde",
"thiserror",

3
sgf/Cargo.toml
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@ -11,3 +11,6 @@ nom = { version = "7" }
serde = { version = "1", features = [ "derive" ] }
thiserror = { version = "1"}
typeshare = { version = "1" }
[dev-dependencies]
cool_asserts = { version = "2" }

178
sgf/src/go.rs
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@ -74,6 +74,7 @@ use crate::{
Error,
};
use serde::{Deserialize, Serialize};
use std::ops::Deref;
use typeshare::typeshare;
#[derive(Clone, Debug)]
@ -84,11 +85,18 @@ pub struct Game {
pub tree: Tree,
}
impl Deref for Game {
type Target = Tree;
fn deref(&self) -> &Self::Target {
&self.tree
}
}
impl TryFrom<Tree> for Game {
type Error = Error;
fn try_from(tree: Tree) -> Result<Self, Self::Error> {
let board_size = match tree.sequence[0].find_prop("SZ") {
let board_size = match tree.root.find_prop("SZ") {
Some(prop) => Size::try_from(prop.values[0].as_str())?,
None => Size {
width: 19,
@ -96,40 +104,37 @@ impl TryFrom<Tree> for Game {
},
};
let mut info = GameInfo::default();
info.app_name = tree.sequence[0]
.find_prop("AP")
.map(|prop| prop.values[0].clone());
info.app_name = tree.root.find_prop("AP").map(|prop| prop.values[0].clone());
info.game_name = tree.sequence[0]
.find_prop("GN")
.map(|prop| prop.values[0].clone());
info.game_name = tree.root.find_prop("GN").map(|prop| prop.values[0].clone());
info.black_player = tree.sequence[0]
.find_prop("PB")
.map(|prop| prop.values.join(", "));
info.black_player = tree.root.find_prop("PB").map(|prop| prop.values.join(", "));
info.black_rank = tree.sequence[0]
info.black_rank = tree
.root
.find_prop("BR")
.and_then(|prop| Rank::try_from(prop.values[0].as_str()).ok());
info.white_player = tree.sequence[0]
.find_prop("PW")
.map(|prop| prop.values.join(", "));
info.white_player = tree.root.find_prop("PW").map(|prop| prop.values.join(", "));
info.white_rank = tree.sequence[0]
info.white_rank = tree
.root
.find_prop("WR")
.and_then(|prop| Rank::try_from(prop.values[0].as_str()).ok());
info.result = tree.sequence[0]
info.result = tree
.root
.find_prop("RE")
.and_then(|prop| GameResult::try_from(prop.values[0].as_str()).ok());
info.time_limits = tree.sequence[0]
info.time_limits = tree
.root
.find_prop("TM")
.and_then(|prop| prop.values[0].parse::<u64>().ok())
.and_then(|seconds| Some(std::time::Duration::from_secs(seconds)));
info.date = tree.sequence[0]
info.date = tree
.root
.find_prop("DT")
.and_then(|prop| {
let v = prop
@ -149,21 +154,13 @@ impl TryFrom<Tree> for Game {
})
.unwrap_or(vec![]);
info.event = tree.sequence[0]
.find_prop("EV")
.map(|prop| prop.values.join(", "));
info.event = tree.root.find_prop("EV").map(|prop| prop.values.join(", "));
info.round = tree.sequence[0]
.find_prop("RO")
.map(|prop| prop.values.join(", "));
info.round = tree.root.find_prop("RO").map(|prop| prop.values.join(", "));
info.source = tree.sequence[0]
.find_prop("SO")
.map(|prop| prop.values.join(", "));
info.source = tree.root.find_prop("SO").map(|prop| prop.values.join(", "));
info.game_keeper = tree.sequence[0]
.find_prop("US")
.map(|prop| prop.values.join(", "));
info.game_keeper = tree.root.find_prop("US").map(|prop| prop.values.join(", "));
Ok(Game {
board_size,
@ -307,7 +304,7 @@ mod tests {
use super::*;
use crate::{
date::Date,
tree::{parse_collection, Size},
tree::{parse_collection, Property, Size},
};
use std::fs::File;
use std::io::Read;
@ -390,4 +387,123 @@ mod tests {
assert_eq!(tree.info.game_keeper, Some("Arno Hollosi".to_owned()));
});
}
#[test]
fn it_presents_the_mainline_of_game_without_branches() {
with_file(
std::path::Path::new("test_data/2020 USGO DDK, Round 1.sgf"),
|trees| {
assert_eq!(trees.len(), 1);
let tree = &trees[0];
let node = &tree.root;
assert_eq!(node.properties.len(), 16);
let expected_properties = vec![
Property {
ident: "GM".to_owned(),
values: vec!["1".to_owned()],
},
Property {
ident: "FF".to_owned(),
values: vec!["4".to_owned()],
},
Property {
ident: "CA".to_owned(),
values: vec!["UTF-8".to_owned()],
},
Property {
ident: "AP".to_owned(),
values: vec!["CGoban:3".to_owned()],
},
Property {
ident: "ST".to_owned(),
values: vec!["2".to_owned()],
},
Property {
ident: "RU".to_owned(),
values: vec!["AGA".to_owned()],
},
Property {
ident: "SZ".to_owned(),
values: vec!["19".to_owned()],
},
Property {
ident: "KM".to_owned(),
values: vec!["7.50".to_owned()],
},
Property {
ident: "TM".to_owned(),
values: vec!["1800".to_owned()],
},
Property {
ident: "OT".to_owned(),
values: vec!["5x30 byo-yomi".to_owned()],
},
Property {
ident: "PW".to_owned(),
values: vec!["Geckoz".to_owned()],
},
Property {
ident: "PB".to_owned(),
values: vec!["savanni".to_owned()],
},
Property {
ident: "BR".to_owned(),
values: vec!["23k".to_owned()],
},
Property {
ident: "DT".to_owned(),
values: vec!["2020-08-05".to_owned()],
},
Property {
ident: "PC".to_owned(),
values: vec!["The KGS Go Server at http://www.gokgs.com/".to_owned()],
},
Property {
ident: "RE".to_owned(),
values: vec!["W+17.50".to_owned()],
},
];
for i in 0..16 {
assert_eq!(node.properties[i], expected_properties[i]);
}
let node = node.next().unwrap();
let expected_properties = vec![
Property {
ident: "B".to_owned(),
values: vec!["pp".to_owned()],
},
Property {
ident: "BL".to_owned(),
values: vec!["1795.449".to_owned()],
},
Property {
ident: "C".to_owned(),
values: vec!["Geckoz [?]: Good game\nsavanni [23k?]: There we go! This UI is... tough.\nsavanni [23k?]: Have fun! Talk to you at the end.\nGeckoz [?]: Yeah, OGS is much better; I'm a UX professional\n".to_owned()],
}
];
for i in 0..3 {
assert_eq!(node.properties[i], expected_properties[i]);
}
let node = node.next().unwrap();
let expected_properties = vec![
Property {
ident: "W".to_owned(),
values: vec!["dp".to_owned()],
},
Property {
ident: "WL".to_owned(),
values: vec!["1765.099".to_owned()],
},
];
for i in 0..2 {
assert_eq!(node.properties[i], expected_properties[i]);
}
},
);
}
}

2
sgf/src/lib.rs
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@ -65,7 +65,7 @@ pub fn parse_sgf(input: &str) -> Result<Vec<Game>, Error> {
let (_, trees) = parse_collection::<nom::error::VerboseError<&str>>(input)?;
Ok(trees
.into_iter()
.map(|t| match t.sequence[0].find_prop("GM") {
.map(|t| match t.root.find_prop("GM") {
Some(prop) if prop.values == vec!["1".to_owned()] => {
Game::Go(go::Game::try_from(t).expect("properly structured game tree"))
}

277
sgf/src/tree.rs
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@ -5,7 +5,6 @@ use nom::{
character::complete::{alpha1, digit1, multispace0, multispace1, none_of},
combinator::{opt, value},
multi::{many0, many1, separated_list1},
sequence::delimited,
IResult,
};
use std::num::ParseIntError;
@ -54,29 +53,19 @@ impl TryFrom<&str> for Size {
#[derive(Clone, Debug, PartialEq)]
pub struct Tree {
pub sequence: Vec<Node>,
pub sub_sequences: Vec<Tree>,
pub root: Node,
}
impl ToString for Tree {
fn to_string(&self) -> String {
let sequence = self
.sequence
.iter()
.map(|node| node.to_string())
.collect::<String>();
let subsequences = self
.sub_sequences
.iter()
.map(|seq| seq.to_string())
.collect::<String>();
format!("({}{})", sequence, subsequences)
format!("({})", self.root.to_string())
}
}
#[derive(Clone, Debug, PartialEq)]
pub struct Node {
pub properties: Vec<Property>,
pub next: Vec<Node>,
}
impl ToString for Node {
@ -86,7 +75,21 @@ impl ToString for Node {
.iter()
.map(|prop| prop.to_string())
.collect::<String>();
format!(";{}", props)
let next = if self.next.len() == 1 {
self.next
.iter()
.map(|node| node.to_string())
.collect::<Vec<String>>()
.join("")
} else {
self.next
.iter()
.map(|node| format!("({})", node.to_string()))
.collect::<Vec<String>>()
.join("")
};
format!(";{}{}", props, next)
}
}
@ -97,6 +100,10 @@ impl Node {
.find(|prop| prop.ident == ident)
.cloned()
}
pub fn next<'a>(&'a self) -> Option<&'a Node> {
self.next.get(0)
}
}
#[derive(Clone, Debug, PartialEq)]
@ -119,40 +126,40 @@ impl ToString for Property {
pub fn parse_collection<'a, E: nom::error::ParseError<&'a str>>(
input: &'a str,
) -> IResult<&'a str, Vec<Tree>, E> {
separated_list1(multispace1, parse_tree)(input)
let (input, roots) = separated_list1(multispace1, parse_tree)(input)?;
let trees = roots
.into_iter()
.map(|root| Tree { root })
.collect::<Vec<Tree>>();
Ok((input, trees))
}
// note: must preserve unknown properties
// note: must fix or preserve illegally formatted game-info properties
// note: must correct or delete illegally foramtted properties, but display a warning
fn parse_tree<'a, E: nom::error::ParseError<&'a str>>(input: &'a str) -> IResult<&'a str, Tree, E> {
fn parse_tree<'a, E: nom::error::ParseError<&'a str>>(input: &'a str) -> IResult<&'a str, Node, E> {
let (input, _) = multispace0(input)?;
delimited(tag("("), parse_sequence, tag(")"))(input)
}
let (input, _) = tag("(")(input)?;
let (input, node) = parse_node(input)?;
let (input, _) = multispace0(input)?;
let (input, _) = tag(")")(input)?;
fn parse_sequence<'a, E: nom::error::ParseError<&'a str>>(
input: &'a str,
) -> IResult<&'a str, Tree, E> {
let (input, _) = multispace0(input)?;
let (input, nodes) = many1(parse_node)(input)?;
let (input, _) = multispace0(input)?;
let (input, sub_sequences) = many0(parse_tree)(input)?;
let (input, _) = multispace0(input)?;
Ok((
input,
Tree {
sequence: nodes,
sub_sequences,
},
))
Ok((input, node))
}
fn parse_node<'a, E: nom::error::ParseError<&'a str>>(input: &'a str) -> IResult<&'a str, Node, E> {
let (input, _) = multispace0(input)?;
let (input, _) = tag(";")(input)?;
let (input, _) = opt(tag(";"))(input)?;
let (input, properties) = many1(parse_property)(input)?;
Ok((input, Node { properties }))
let (input, next) = opt(parse_node)(input)?;
let (input, mut next_seq) = many0(parse_tree)(input)?;
let mut next = next.map(|n| vec![n]).unwrap_or(vec![]);
next.append(&mut next_seq);
Ok((input, Node { properties, next }))
}
fn parse_property<'a, E: nom::error::ParseError<&'a str>>(
@ -219,8 +226,6 @@ pub fn parse_size<'a, E: nom::error::ParseError<&'a str>>(
#[cfg(test)]
mod test {
use std::{fs::File, io::Read};
use super::*;
const EXAMPLE: &'static str = "(;FF[4]C[root](;C[a];C[b](;C[c])
@ -259,7 +264,8 @@ mod test {
properties: vec![Property {
ident: "B".to_owned(),
values: vec!["ab".to_owned()]
}]
}],
next: vec![]
}
);
@ -273,6 +279,25 @@ mod test {
properties: vec![Property {
ident: "B".to_owned(),
values: vec!["ab".to_owned()]
}],
next: vec![Node {
properties: vec![Property {
ident: "W".to_owned(),
values: vec!["dp".to_owned()]
}],
next: vec![Node {
properties: vec![
Property {
ident: "B".to_owned(),
values: vec!["pq".to_owned()]
},
Property {
ident: "C".to_owned(),
values: vec!["some comments".to_owned()]
}
],
next: vec![],
}]
}]
}
);
@ -286,21 +311,17 @@ mod test {
assert_eq!(
sequence,
Tree {
sequence: vec![
Node {
properties: vec![Property {
ident: "B".to_owned(),
values: vec!["ab".to_owned()]
}]
},
Node {
}],
next: vec![Node {
properties: vec![Property {
ident: "W".to_owned(),
values: vec!["dp".to_owned()]
}]
},
Node {
}],
next: vec![Node {
properties: vec![
Property {
ident: "B".to_owned(),
@ -310,114 +331,158 @@ mod test {
ident: "C".to_owned(),
values: vec!["some comments".to_owned()]
}
]
}
],
sub_sequences: vec![],
}
next: vec![],
}]
}],
},
);
}
#[test]
fn it_can_parse_a_sequence_with_subsequences() {
fn it_can_parse_a_branching_sequence() {
let text = "(;C[a];C[b](;C[c])(;C[d];C[e]))";
let (_, sequence) = parse_tree::<nom::error::VerboseError<&str>>(text).unwrap();
let (_, tree) = parse_tree::<nom::error::VerboseError<&str>>(text).unwrap();
let main_sequence = vec![
Node {
let expected = Node {
properties: vec![Property {
ident: "C".to_owned(),
values: vec!["a".to_owned()],
}],
},
Node {
next: vec![Node {
properties: vec![Property {
ident: "C".to_owned(),
values: vec!["b".to_owned()],
}],
},
];
let subsequence_1 = Tree {
sequence: vec![Node {
next: vec![
Node {
properties: vec![Property {
ident: "C".to_owned(),
values: vec!["c".to_owned()],
}],
}],
sub_sequences: vec![],
};
let subsequence_2 = Tree {
sequence: vec![
next: vec![],
},
Node {
properties: vec![Property {
ident: "C".to_owned(),
values: vec!["d".to_owned()],
}],
},
Node {
next: vec![Node {
properties: vec![Property {
ident: "C".to_owned(),
values: vec!["e".to_owned()],
}],
next: vec![],
}],
},
],
sub_sequences: vec![],
}],
};
assert_eq!(
sequence,
Tree {
sequence: main_sequence,
sub_sequences: vec![subsequence_1, subsequence_2],
}
);
assert_eq!(tree, expected);
}
#[test]
fn it_can_parse_example_1() {
let (_, ex_tree) = parse_tree::<nom::error::VerboseError<&str>>(EXAMPLE).unwrap();
assert_eq!(ex_tree.sequence.len(), 1);
let (_, tree) = parse_tree::<nom::error::VerboseError<&str>>(EXAMPLE).unwrap();
assert_eq!(ex_tree.sequence[0].properties.len(), 2);
assert_eq!(
ex_tree.sequence[0].properties[0],
let j = Node {
properties: vec![Property {
ident: "C".to_owned(),
values: vec!["j".to_owned()],
}],
next: vec![],
};
let i = Node {
properties: vec![Property {
ident: "C".to_owned(),
values: vec!["i".to_owned()],
}],
next: vec![],
};
let h = Node {
properties: vec![Property {
ident: "C".to_owned(),
values: vec!["h".to_owned()],
}],
next: vec![i],
};
let g = Node {
properties: vec![Property {
ident: "C".to_owned(),
values: vec!["g".to_owned()],
}],
next: vec![h],
};
let f = Node {
properties: vec![Property {
ident: "C".to_owned(),
values: vec!["f".to_owned()],
}],
next: vec![g, j],
};
let e = Node {
properties: vec![Property {
ident: "C".to_owned(),
values: vec!["e".to_owned()],
}],
next: vec![],
};
let d = Node {
properties: vec![Property {
ident: "C".to_owned(),
values: vec!["d".to_owned()],
}],
next: vec![e],
};
let c = Node {
properties: vec![Property {
ident: "C".to_owned(),
values: vec!["c".to_owned()],
}],
next: vec![],
};
let b = Node {
properties: vec![Property {
ident: "C".to_owned(),
values: vec!["b".to_owned()],
}],
next: vec![c, d],
};
let a = Node {
properties: vec![Property {
ident: "C".to_owned(),
values: vec!["a".to_owned()],
}],
next: vec![b],
};
let expected = Node {
properties: vec![
Property {
ident: "FF".to_owned(),
values: vec!["4".to_owned()]
}
);
assert_eq!(ex_tree.sub_sequences.len(), 2);
values: vec!["4".to_owned()],
},
Property {
ident: "C".to_owned(),
values: vec!["root".to_owned()],
},
],
next: vec![a, f],
};
assert_eq!(ex_tree.sub_sequences[0].sequence.len(), 2);
assert_eq!(
ex_tree.sub_sequences[0].sequence,
vec![
Node {
properties: vec![Property {
ident: "C".to_owned(),
values: vec!["a".to_owned()]
}]
},
Node {
properties: vec![Property {
ident: "C".to_owned(),
values: vec!["b".to_owned()]
}]
},
]
);
assert_eq!(ex_tree.sub_sequences[0].sub_sequences.len(), 2);
assert_eq!(tree, expected);
}
#[test]
fn it_can_regenerate_the_tree() {
let (_, tree1) = parse_tree::<nom::error::VerboseError<&str>>(EXAMPLE).unwrap();
let tree1 = Tree { root: tree1 };
assert_eq!(
tree1.to_string(),
"(;FF[4]C[root](;C[a];C[b](;C[c])(;C[d];C[e]))(;C[f](;C[g];C[h];C[i])(;C[j])))"
);
let (_, tree2) = parse_tree::<nom::error::VerboseError<&str>>(&tree1.to_string()).unwrap();
assert_eq!(tree1, tree2);
assert_eq!(tree1, Tree { root: tree2 });
}
#[test]