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Style namespaces can have variables come before them

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This commit is contained in:
ConnorSkees 2020-02-22 16:41:10 -05:00
parent a3b260c0bd
commit 735f222e15
2 changed files with 74 additions and 25 deletions
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89
src/style.rs
View File

@ -74,7 +74,7 @@ impl<'a> StyleParser<'a> {
toks.next();
continue;
}
TokenKind::Symbol(Symbol::OpenCurlyBrace) | TokenKind::Interpolation => n += 1,
TokenKind::Interpolation => n += 1,
TokenKind::Symbol(Symbol::CloseCurlyBrace) => {
if n == 0 {
break;
@ -83,10 +83,8 @@ impl<'a> StyleParser<'a> {
n -= 1;
}
}
TokenKind::Symbol(Symbol::SemiColon) => {
toks.next();
break;
}
TokenKind::Symbol(Symbol::OpenCurlyBrace)
| TokenKind::Symbol(Symbol::SemiColon) => break,
TokenKind::Symbol(Symbol::BitAnd) => {
style.push(Token {
kind: TokenKind::Ident(self.super_selector.to_string()),
@ -99,7 +97,6 @@ impl<'a> StyleParser<'a> {
};
style.push(toks.next().unwrap());
}
devour_whitespace(toks);
Value::from_tokens(&mut style.into_iter().peekable(), self.scope)
}
@ -118,29 +115,51 @@ impl<'a> StyleParser<'a> {
loop {
let property = self.parse_property(toks, super_property.clone())?;
if let Some(tok) = toks.peek() {
match tok.kind {
TokenKind::Symbol(Symbol::OpenCurlyBrace) => {
if let Expr::Styles(s) = self.eat_style_group(toks, property)? {
styles.extend(s);
}
devour_whitespace(toks);
if let Some(tok) = toks.peek() {
match tok.kind {
TokenKind::Symbol(Symbol::CloseCurlyBrace) => {
toks.next();
devour_whitespace(toks);
return Ok(Expr::Styles(styles));
}
_ => continue,
}
}
continue;
if tok.equals_symbol(Symbol::OpenCurlyBrace) {
match self.eat_style_group(toks, property)? {
Expr::Styles(s) => styles.extend(s),
Expr::Style(s) => styles.push(s),
_ => unreachable!(),
}
_ => {}
devour_whitespace(toks);
if let Some(tok) = toks.peek() {
if tok.equals_symbol(Symbol::CloseCurlyBrace) {
toks.next();
devour_whitespace(toks);
return Ok(Expr::Styles(styles));
} else {
continue;
}
}
continue;
}
}
let value = self.parse_style_value(toks)?;
styles.push(Style { property, value });
match toks.peek().unwrap().kind {
TokenKind::Symbol(Symbol::CloseCurlyBrace) => {
styles.push(Style { property, value });
}
TokenKind::Symbol(Symbol::SemiColon) => {
toks.next();
devour_whitespace(toks);
styles.push(Style { property, value });
}
TokenKind::Symbol(Symbol::OpenCurlyBrace) => {
styles.push(Style {
property: property.clone(),
value,
});
match self.eat_style_group(toks, property)? {
Expr::Style(s) => styles.push(s),
Expr::Styles(s) => styles.extend(s),
_ => unreachable!(),
}
}
_ => {
devour_whitespace(toks);
styles.push(Style { property, value });
}
}
if let Some(tok) = toks.peek() {
match tok.kind {
TokenKind::Symbol(Symbol::CloseCurlyBrace) => {
@ -155,6 +174,26 @@ impl<'a> StyleParser<'a> {
}
_ => {
let val = self.parse_style_value(toks)?;
match toks.peek().unwrap().kind {
TokenKind::Symbol(Symbol::CloseCurlyBrace) => {}
TokenKind::Symbol(Symbol::SemiColon) => {
toks.next();
devour_whitespace(toks);
}
TokenKind::Symbol(Symbol::OpenCurlyBrace) => {
let mut v = vec![Style {
property: super_property.clone(),
value: val,
}];
match self.eat_style_group(toks, super_property)? {
Expr::Style(s) => v.push(s),
Expr::Styles(s) => v.extend(s),
_ => unreachable!(),
}
return Ok(Expr::Styles(v));
}
_ => {}
}
return Ok(Expr::Style(Style {
property: super_property,
value: val,

10
tests/styles.rs
View File

@ -131,3 +131,13 @@ test!(
"a {\n color: red;\n}\n"
);
test!(removes_null_value, "a {\n color: null;\n}\n", "");
test!(
namespace_before_open_brace,
"foo {\n a: b {\n c: d;\n }\n}\n",
"foo {\n a: b;\n a-c: d;\n}\n"
);
test!(
namespace_before_open_brace_nested,
"foo {\n a: b {\n c: d {\n e: f;\n }\n }\n}\n",
"foo {\n a: b;\n a-c: d;\n a-c-e: f;\n}\n"
);