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-rw-r--r--askama_parser/src/node.rs82
1 files changed, 43 insertions, 39 deletions
diff --git a/askama_parser/src/node.rs b/askama_parser/src/node.rs
index bf81dab..8f07a43 100644
--- a/askama_parser/src/node.rs
+++ b/askama_parser/src/node.rs
@@ -131,13 +131,13 @@ impl<'a> Node<'a> {
fn r#if(i: &'a str, s: &State<'_>) -> IResult<&'a str, Self> {
let mut p = tuple((
opt(Whitespace::parse),
- cond_if,
+ CondTest::parse,
cut(tuple((
opt(Whitespace::parse),
|i| s.tag_block_end(i),
cut(tuple((
|i| Node::many(i, s),
- many0(|i| cond_block(i, s)),
+ many0(|i| Cond::parse(i, s)),
cut(tuple((
|i| s.tag_block_start(i),
opt(Whitespace::parse),
@@ -690,47 +690,51 @@ pub struct Cond<'a> {
pub block: Vec<Node<'a>>,
}
+impl<'a> Cond<'a> {
+ fn parse(i: &'a str, s: &State<'_>) -> IResult<&'a str, Self> {
+ let mut p = tuple((
+ |i| s.tag_block_start(i),
+ opt(Whitespace::parse),
+ ws(keyword("else")),
+ cut(tuple((
+ opt(CondTest::parse),
+ opt(Whitespace::parse),
+ |i| s.tag_block_end(i),
+ cut(|i| Node::many(i, s)),
+ ))),
+ ));
+ let (i, (_, pws, _, (cond, nws, _, block))) = p(i)?;
+ Ok((
+ i,
+ Self {
+ ws: Ws(pws, nws),
+ cond,
+ block,
+ },
+ ))
+ }
+}
+
#[derive(Debug, PartialEq)]
pub struct CondTest<'a> {
pub target: Option<Target<'a>>,
pub expr: Expr<'a>,
}
-fn cond_if(i: &str) -> IResult<&str, CondTest<'_>> {
- let mut p = preceded(
- ws(keyword("if")),
- cut(tuple((
- opt(delimited(
- ws(alt((keyword("let"), keyword("set")))),
- ws(Target::parse),
- ws(char('=')),
- )),
- ws(Expr::parse),
- ))),
- );
- let (i, (target, expr)) = p(i)?;
- Ok((i, CondTest { target, expr }))
-}
-
-fn cond_block<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, Cond<'a>> {
- let mut p = tuple((
- |i| s.tag_block_start(i),
- opt(Whitespace::parse),
- ws(keyword("else")),
- cut(tuple((
- opt(cond_if),
- opt(Whitespace::parse),
- |i| s.tag_block_end(i),
- cut(|i| Node::many(i, s)),
- ))),
- ));
- let (i, (_, pws, _, (cond, nws, _, block))) = p(i)?;
- Ok((
- i,
- Cond {
- ws: Ws(pws, nws),
- cond,
- block,
- },
- ))
+impl<'a> CondTest<'a> {
+ fn parse(i: &'a str) -> IResult<&'a str, Self> {
+ let mut p = preceded(
+ ws(keyword("if")),
+ cut(tuple((
+ opt(delimited(
+ ws(alt((keyword("let"), keyword("set")))),
+ ws(Target::parse),
+ ws(char('=')),
+ )),
+ ws(Expr::parse),
+ ))),
+ );
+ let (i, (target, expr)) = p(i)?;
+ Ok((i, Self { target, expr }))
+ }
}