Parse DATE with fixed start date

src/parse.rs

@@ -30,6 +30,11 @@ fn fail<S: Into<String>, T>(span: Span, message: S) -> Result<T> {
     Err(error(span, message))
 }
 
+fn parse_number(p: Pair<Rule>) -> Result<i32> {
+    assert_eq!(p.as_rule(), Rule::number);
+    Ok(p.as_str().parse().unwrap())
+}
+
 fn parse_title(p: Pair<Rule>) -> Result<String> {
     assert_eq!(p.as_rule(), Rule::title);
     let p = p.into_inner().next().unwrap();
@@ -101,7 +106,7 @@ fn parse_amount(p: Pair<Rule>) -> Result<Amount> {
     assert_eq!(p.as_rule(), Rule::amount);
 
     let mut sign = None;
-    let mut value = 0;
+    let mut value = 1;
     for p in p.into_inner() {
         match p.as_rule() {
             Rule::amount_sign => {
@@ -111,7 +116,7 @@ fn parse_amount(p: Pair<Rule>) -> Result<Amount> {
                     _ => unreachable!(),
                 })
             }
-            Rule::amount_value => value = p.as_str().parse().unwrap(),
+            Rule::number => value = parse_number(p)?,
             _ => unreachable!(),
         }
     }
@@ -188,13 +193,13 @@ fn parse_delta(p: Pair<Rule>) -> Result<Delta> {
             Rule::delta_weekdays => steps.push(parse_delta_weekdays(p, &mut sign)?),
             Rule::delta_minutes => steps.push(parse_delta_step(p, &mut sign, DeltaStep::Minute)?),
             Rule::delta_years => steps.push(parse_delta_step(p, &mut sign, DeltaStep::Year)?),
-            Rule::delta_months => steps.push(parse_delta_step(p, &mut sign, DeltaStep::Minute)?),
+            Rule::delta_months => steps.push(parse_delta_step(p, &mut sign, DeltaStep::Month)?),
             Rule::delta_months_reverse => {
-                steps.push(parse_delta_step(p, &mut sign, DeltaStep::Minute)?)
+                steps.push(parse_delta_step(p, &mut sign, DeltaStep::MonthReverse)?)
             }
-            Rule::delta_days => steps.push(parse_delta_step(p, &mut sign, DeltaStep::Minute)?),
+            Rule::delta_days => steps.push(parse_delta_step(p, &mut sign, DeltaStep::Day)?),
-            Rule::delta_weeks => steps.push(parse_delta_step(p, &mut sign, DeltaStep::Minute)?),
+            Rule::delta_weeks => steps.push(parse_delta_step(p, &mut sign, DeltaStep::Week)?),
-            Rule::delta_hours => steps.push(parse_delta_step(p, &mut sign, DeltaStep::Minute)?),
+            Rule::delta_hours => steps.push(parse_delta_step(p, &mut sign, DeltaStep::Hour)?),
             _ => unreachable!(),
         }
     }
@@ -202,10 +207,71 @@ fn parse_delta(p: Pair<Rule>) -> Result<Delta> {
     Ok(Delta(steps))
 }
 
+fn parse_date_fixed_start(p: Pair<Rule>, spec: &mut DateSpec) -> Result<()> {
+    assert_eq!(p.as_rule(), Rule::date_fixed_start);
+
+    for p in p.into_inner() {
+        match p.as_rule() {
+            Rule::datum => spec.start = parse_datum(p)?,
+            Rule::delta => spec.start_delta = Some(parse_delta(p)?),
+            Rule::time => spec.start_time = Some(parse_time(p)?),
+            _ => unreachable!(),
+        }
+    }
+
+    Ok(())
+}
+
+fn parse_date_fixed_end(p: Pair<Rule>, spec: &mut DateSpec) -> Result<()> {
+    assert_eq!(p.as_rule(), Rule::date_fixed_end);
+
+    for p in p.into_inner() {
+        match p.as_rule() {
+            Rule::datum => spec.end = Some(parse_datum(p)?),
+            Rule::delta => spec.end_delta = Some(parse_delta(p)?),
+            Rule::time => spec.end_time = Some(parse_time(p)?),
+            _ => unreachable!(),
+        }
+    }
+
+    Ok(())
+}
+
+fn parse_date_fixed_repeat(p: Pair<Rule>, spec: &mut DateSpec) -> Result<()> {
+    assert_eq!(p.as_rule(), Rule::date_fixed_repeat);
+    let mut p = p.into_inner();
+
+    if let Some(p) = p.next() {
+        spec.repeat = Some(parse_delta(p)?);
+    }
+
+    assert_eq!(p.next(), None);
+    Ok(())
+}
+
 fn parse_date_fixed(p: Pair<Rule>) -> Result<DateSpec> {
     assert_eq!(p.as_rule(), Rule::date_fixed);
-    dbg!(p);
+
-    todo!()
+    let mut spec = DateSpec {
+        start: NaiveDate::from_ymd(0, 1, 1),
+        start_delta: None,
+        start_time: None,
+        end: None,
+        end_delta: None,
+        end_time: None,
+        repeat: None,
+    };
+
+    for p in p.into_inner() {
+        match p.as_rule() {
+            Rule::date_fixed_start => parse_date_fixed_start(p, &mut spec)?,
+            Rule::date_fixed_end => parse_date_fixed_end(p, &mut spec)?,
+            Rule::date_fixed_repeat => parse_date_fixed_repeat(p, &mut spec)?,
+            _ => unreachable!(),
+        }
+    }
+
+    Ok(spec)
 }
 
 fn parse_date_expr(p: Pair<Rule>) -> Result<FormulaSpec> {
@@ -348,7 +414,7 @@ fn parse_task(p: Pair<Rule>) -> Result<Task> {
 }
 
 fn parse_note(p: Pair<Rule>) -> Result<Note> {
-    assert_eq!(p.as_rule(), Rule::task);
+    assert_eq!(p.as_rule(), Rule::note);
     let mut p = p.into_inner();
 
     let title = parse_title(p.next().unwrap())?;

src/parse/todayfile.pest

@@ -3,6 +3,8 @@ WHITESPACE = _{ !eol ~ WHITE_SPACE }
 rest_some = { (!eol ~ ANY)+ }
 rest_any = { (!eol ~ ANY)* }
 
+number = @{ ASCII_DIGIT{1,9} } // Fits into an i32
+
 title = { WHITESPACE ~ rest_some ~ eol }
 
 year = @{ ASCII_DIGIT{4} }
@@ -17,9 +19,8 @@ time = ${ hour ~ ":" ~ minute }
 
 weekday = { "mon" | "tue" | "wed" | "thu" | "fri" | "sat" | "sun" }
 
-amount_sign = { ("+" | "-")? }
+amount_sign = { "+" | "-" }
-amount_value = { ASCII_DIGIT{0,9} } // Fits in an i32
+amount = { amount_sign? ~ number? }
-amount = { amount_sign ~ amount_value }
 delta_weekdays = { amount ~ weekday }
 delta_minutes = { amount ~ "min" }
 delta_years = { amount ~ "y" }
@@ -42,7 +43,6 @@ delta = {
 }
 
 paren_expr = { "(" ~ expr ~ ")" }
-number = @{ ASCII_DIGIT{1,9} } // Fits in an i32
 boolean = { "true" | "false" }
 variable = {
     "j"