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Remove markup_while

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This commit is contained in:
Laurenz 2022-01-31 11:16:31 +01:00
parent 490819a3d0
commit b1a82ae22d
1 changed files with 42 additions and 42 deletions
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84
src/parse/mod.rs
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@ -28,30 +28,6 @@ pub fn parse(src: &str) -> Rc<GreenNode> {
} }
} }
/// Parse an atomic primary. Returns `Some` if all of the input was consumed.
pub fn parse_atomic(
prefix: &str,
src: &str,
_: bool,
_: usize,
) -> Option<(Vec<Green>, bool)> {
let mut p = Parser::with_prefix(prefix, src, TokenMode::Code);
primary(&mut p, true).ok()?;
p.consume_unterminated()
}
/// Parse an atomic primary. Returns `Some` if all of the input was consumed.
pub fn parse_atomic_markup(
prefix: &str,
src: &str,
_: bool,
_: usize,
) -> Option<(Vec<Green>, bool)> {
let mut p = Parser::with_prefix(prefix, src, TokenMode::Markup);
markup_expr(&mut p);
p.consume_unterminated()
}
/// Parse some markup. Returns `Some` if all of the input was consumed. /// Parse some markup. Returns `Some` if all of the input was consumed.
pub fn parse_markup( pub fn parse_markup(
prefix: &str, prefix: &str,
@ -83,6 +59,30 @@ pub fn parse_markup_elements(
p.consume() p.consume()
} }
/// Parse an atomic primary. Returns `Some` if all of the input was consumed.
pub fn parse_atomic(
prefix: &str,
src: &str,
_: bool,
_: usize,
) -> Option<(Vec<Green>, bool)> {
let mut p = Parser::with_prefix(prefix, src, TokenMode::Code);
primary(&mut p, true).ok()?;
p.consume_unterminated()
}
/// Parse an atomic primary. Returns `Some` if all of the input was consumed.
pub fn parse_atomic_markup(
prefix: &str,
src: &str,
_: bool,
_: usize,
) -> Option<(Vec<Green>, bool)> {
let mut p = Parser::with_prefix(prefix, src, TokenMode::Markup);
markup_expr(&mut p);
p.consume_unterminated()
}
/// Parse a template literal. Returns `Some` if all of the input was consumed. /// Parse a template literal. Returns `Some` if all of the input was consumed.
pub fn parse_template( pub fn parse_template(
prefix: &str, prefix: &str,
@ -128,11 +128,18 @@ pub fn parse_comment(
} }
/// Parse markup. /// Parse markup.
fn markup(p: &mut Parser, at_start: bool) { ///
markup_while(p, at_start, 0, &mut |_| true) /// If `at_start` is true, things like headings that may only appear at the
/// beginning of a line or template are initially allowed.
fn markup(p: &mut Parser, mut at_start: bool) {
p.perform(NodeKind::Markup(0), |p| {
while !p.eof() {
markup_node(p, &mut at_start);
}
});
} }
/// Parse markup that stays right of the given column. /// Parse markup that stays right of the given `column`.
fn markup_indented(p: &mut Parser, column: usize) { fn markup_indented(p: &mut Parser, column: usize) {
p.eat_while(|t| match t { p.eat_while(|t| match t {
NodeKind::Space(n) => *n == 0, NodeKind::Space(n) => *n == 0,
@ -140,22 +147,15 @@ fn markup_indented(p: &mut Parser, column: usize) {
_ => false, _ => false,
}); });
markup_while(p, false, column, &mut |p| match p.peek() { let mut at_start = false;
Some(NodeKind::Space(n)) if *n >= 1 => p.column(p.current_end()) >= column,
_ => true,
})
}
/// Parse a syntax tree while the peeked NodeKind satisifies a condition.
///
/// If `at_start` is true, things like headings that may only appear at the
/// beginning of a line or template are allowed.
fn markup_while<F>(p: &mut Parser, mut at_start: bool, column: usize, f: &mut F)
where
F: FnMut(&mut Parser) -> bool,
{
p.perform(NodeKind::Markup(column), |p| { p.perform(NodeKind::Markup(column), |p| {
while !p.eof() && f(p) { while !p.eof() {
if let Some(NodeKind::Space(1 ..)) = p.peek() {
if p.column(p.current_end()) < column {
break;
}
}
markup_node(p, &mut at_start); markup_node(p, &mut at_start);
} }
}); });