Process time remaining and promote comments to the game tree layer

sgf/src/game.rs

@@ -268,7 +268,7 @@ pub struct MoveNode {
     name: Option<String>,
     evaluation: Option<Evaluation>,
     value: Option<f64>,
-    comments: Vec<String>,
+    comments: Option<String>,
     annotation: Option<Annotation>,
     unknown_props: Vec<(String, String)>,
 }
@@ -286,7 +286,7 @@ impl MoveNode {
             name: None,
             evaluation: None,
             value: None,
-            comments: vec![],
+            comments: None,
             annotation: None,
             unknown_props: vec![],
         }
@@ -309,7 +309,14 @@ impl TryFrom<&parser::Node> for MoveNode {
 
     fn try_from(n: &parser::Node) -> Result<Self, Self::Error> {
         match n.move_() {
-            Some((color, position)) => Ok(MoveNode::new(color, position)),
+            Some((color, position)) => {
+                let mut s = Self::new(color, position);
+
+                s.time_left = n.time_left();
+                s.comments = n.comments();
+
+                Ok(s)
+            }
             None => Err(ConversionError::IncompatibleNodeType),
         }
     }
@@ -419,16 +426,8 @@ mod test {
         let n = parser::Node {
             properties: vec![
                 parser::Property::Move((Color::White, "dp".to_owned())),
-                /*
-                parser::Property {
-                    ident: "WL".to_owned(),
-                    values: vec!["176.099".to_owned()],
-                },
-                parser::Property {
-                    ident: "C".to_owned(),
-                    values: vec!["Comments in the game".to_owned()],
-                },
-                */
+                parser::Property::TimeLeft((Color::White, Duration::from_secs(176))),
+                parser::Property::Comment("Comments in the game".to_owned()),
             ],
             next: vec![],
         };
@@ -461,16 +460,8 @@ mod move_node_tests {
         let n = parser::Node {
             properties: vec![
                 parser::Property::Move((Color::White, "dp".to_owned())),
-                /*
-                parser::Property {
-                    ident: "WL".to_owned(),
-                    values: vec!["176.099".to_owned()],
-                },
-                parser::Property {
-                    ident: "C".to_owned(),
-                    values: vec!["Comments in the game".to_owned()],
-                },
-                */
+                parser::Property::TimeLeft((Color::White, Duration::from_secs(176))),
+                parser::Property::Comment("Comments in the game".to_owned()),
             ],
             next: vec![],
         };
@@ -479,7 +470,7 @@ mod move_node_tests {
             assert_eq!(node.position, "dp".to_owned());
             assert_eq!(node.children, vec![]);
             assert_eq!(node.time_left, Some(Duration::from_secs(176)));
-            assert_eq!(node.comments, vec!["Comments in the game".to_owned()]);
+            assert_eq!(node.comments, Some("Comments in the game".to_owned()));
         });
     }
 

sgf/src/parser.rs

@@ -8,7 +8,7 @@ use nom::{
     multi::{many0, many1, separated_list1},
     IResult, Parser,
 };
-use std::num::ParseIntError;
+use std::{num::ParseIntError, time::Duration};
 
 impl From<ParseSizeError> for Error {
     fn from(_: ParseSizeError) -> Self {
@@ -240,13 +240,31 @@ pub struct Node {
 
 impl Node {
     pub fn move_(&self) -> Option<(Color, String)> {
-        self.properties
-            .iter()
-            .filter_map(|prop| match prop {
-                Property::Move(val) => Some(val.clone()),
-                _ => None,
-            })
-            .next()
+        self.find_by(|prop| match prop {
+            Property::Move(val) => Some(val.clone()),
+            _ => None,
+        })
+    }
+
+    pub fn time_left(&self) -> Option<Duration> {
+        self.find_by(|prop| match prop {
+            Property::TimeLeft((_, duration)) => Some(duration.clone()),
+            _ => None,
+        })
+    }
+
+    pub fn comments(&self) -> Option<String> {
+        self.find_by(|prop| match prop {
+            Property::Comment(c) => Some(c.clone()),
+            _ => None,
+        })
+    }
+
+    fn find_by<F, R>(&self, f: F) -> Option<R>
+    where
+        F: FnMut(&Property) -> Option<R>,
+    {
+        self.properties.iter().filter_map(f).next()
     }
 }
 
@@ -287,10 +305,8 @@ impl ToString for Node {
 //  SL
 //  SQ
 //  TR
-//  BL
 //  OB
 //  OW
-//  WL
 //  FG
 //  PM
 //  VW
@@ -414,7 +430,7 @@ pub enum Property {
     Source(String),
 
     //  TM
-    TimeLimit(std::time::Duration),
+    TimeLimit(Duration),
 
     //  US
     User(String),
@@ -425,6 +441,9 @@ pub enum Property {
     //  WT
     WhiteTeam(String),
 
+    //  BL, WL
+    TimeLeft((Color, Duration)),
+
     Unknown(UnknownProperty),
 }
 
@@ -440,6 +459,9 @@ impl ToString for Property {
             Property::Move((color, position)) => {
                 format!("{}[{}]", color.abbreviation(), position)
             }
+            Property::TimeLeft((color, time)) => {
+                format!("{}[{}]", color.abbreviation(), time.as_secs())
+            }
             Property::Comment(value) => format!("C[{}]", value),
             Property::BadMove => "BM[]".to_owned(),
             Property::DoubtfulMove => "DO[]".to_owned(),
@@ -550,6 +572,8 @@ fn parse_property<'a, E: nom::error::ParseError<&'a str>>(
         "W" => parse_propval(parse_move(Color::White))(input)?,
         "B" => parse_propval(parse_move(Color::Black))(input)?,
         "C" => parse_propval(parse_comment())(input)?,
+        "WL" => parse_propval(parse_time_left(Color::White))(input)?,
+        "BL" => parse_propval(parse_time_left(Color::Black))(input)?,
         "BM" => discard_propval().map(|_| Property::BadMove).parse(input)?,
         "DO" => discard_propval()
             .map(|_| Property::DoubtfulMove)
@@ -626,6 +650,22 @@ fn parse_move<'a, E: nom::error::ParseError<&'a str>>(
     }
 }
 
+fn parse_time_left<'a, E: ParseError<&'a str>>(
+    color: Color,
+) -> impl FnMut(&'a str) -> IResult<&'a str, Property, E> {
+    {
+        let color = color.clone();
+        move |input: &'a str| {
+            let (input, value) = parse_real().parse(input)?;
+            let (input, _) = tag("]")(input)?;
+            Ok((
+                input,
+                Property::TimeLeft((color.clone(), Duration::from_secs(value as u64))),
+            ))
+        }
+    }
+}
+
 fn parse_propval<'a, E: nom::error::ParseError<&'a str>>(
     mut parser: impl Parser<&'a str, Property, E>,
 ) -> impl FnMut(&'a str) -> IResult<&'a str, Property, E> {