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-rw-r--r--askama_parser/src/lib.rs122
-rw-r--r--askama_parser/src/node.rs63
2 files changed, 92 insertions, 93 deletions
diff --git a/askama_parser/src/lib.rs b/askama_parser/src/lib.rs
index bebf020..ac4ebb7 100644
--- a/askama_parser/src/lib.rs
+++ b/askama_parser/src/lib.rs
@@ -22,32 +22,6 @@ mod node;
#[cfg(test)]
mod tests;
-struct State<'a> {
- syntax: &'a Syntax<'a>,
- loop_depth: Cell<usize>,
-}
-
-impl<'a> State<'a> {
- fn new(syntax: &'a Syntax<'a>) -> State<'a> {
- State {
- syntax,
- loop_depth: Cell::new(0),
- }
- }
-
- fn enter_loop(&self) {
- self.loop_depth.set(self.loop_depth.get() + 1);
- }
-
- fn leave_loop(&self) {
- self.loop_depth.set(self.loop_depth.get() - 1);
- }
-
- fn is_in_loop(&self) -> bool {
- self.loop_depth.get() > 0
- }
-}
-
mod _parsed {
use std::mem;
@@ -305,48 +279,74 @@ fn path(i: &str) -> IResult<&str, Vec<&str>> {
}
}
-fn take_content<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, Node<'a>> {
- let p_start = alt((
- tag(s.syntax.block_start),
- tag(s.syntax.comment_start),
- tag(s.syntax.expr_start),
- ));
-
- let (i, _) = not(eof)(i)?;
- let (i, content) = opt(recognize(skip_till(p_start)))(i)?;
- let (i, content) = match content {
- Some("") => {
- // {block,comment,expr}_start follows immediately.
- return Err(nom::Err::Error(error_position!(i, ErrorKind::TakeUntil)));
- }
- Some(content) => (i, content),
- None => ("", i), // there is no {block,comment,expr}_start: take everything
- };
- Ok((i, split_ws_parts(content)))
+struct State<'a> {
+ syntax: &'a Syntax<'a>,
+ loop_depth: Cell<usize>,
}
-fn tag_block_start<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, &'a str> {
- tag(s.syntax.block_start)(i)
-}
+impl<'a> State<'a> {
+ fn new(syntax: &'a Syntax<'a>) -> State<'a> {
+ State {
+ syntax,
+ loop_depth: Cell::new(0),
+ }
+ }
-fn tag_block_end<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, &'a str> {
- tag(s.syntax.block_end)(i)
-}
+ fn take_content<'i>(&self, i: &'i str) -> IResult<&'i str, Node<'i>> {
+ let p_start = alt((
+ tag(self.syntax.block_start),
+ tag(self.syntax.comment_start),
+ tag(self.syntax.expr_start),
+ ));
+
+ let (i, _) = not(eof)(i)?;
+ let (i, content) = opt(recognize(skip_till(p_start)))(i)?;
+ let (i, content) = match content {
+ Some("") => {
+ // {block,comment,expr}_start follows immediately.
+ return Err(nom::Err::Error(error_position!(i, ErrorKind::TakeUntil)));
+ }
+ Some(content) => (i, content),
+ None => ("", i), // there is no {block,comment,expr}_start: take everything
+ };
+ Ok((i, split_ws_parts(content)))
+ }
-fn tag_comment_start<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, &'a str> {
- tag(s.syntax.comment_start)(i)
-}
+ fn tag_block_start<'i>(&self, i: &'i str) -> IResult<&'i str, &'i str> {
+ tag(self.syntax.block_start)(i)
+ }
-fn tag_comment_end<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, &'a str> {
- tag(s.syntax.comment_end)(i)
-}
+ fn tag_block_end<'i>(&self, i: &'i str) -> IResult<&'i str, &'i str> {
+ tag(self.syntax.block_end)(i)
+ }
-fn tag_expr_start<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, &'a str> {
- tag(s.syntax.expr_start)(i)
-}
+ fn tag_comment_start<'i>(&self, i: &'i str) -> IResult<&'i str, &'i str> {
+ tag(self.syntax.comment_start)(i)
+ }
+
+ fn tag_comment_end<'i>(&self, i: &'i str) -> IResult<&'i str, &'i str> {
+ tag(self.syntax.comment_end)(i)
+ }
+
+ fn tag_expr_start<'i>(&self, i: &'i str) -> IResult<&'i str, &'i str> {
+ tag(self.syntax.expr_start)(i)
+ }
+
+ fn tag_expr_end<'i>(&self, i: &'i str) -> IResult<&'i str, &'i str> {
+ tag(self.syntax.expr_end)(i)
+ }
+
+ fn enter_loop(&self) {
+ self.loop_depth.set(self.loop_depth.get() + 1);
+ }
+
+ fn leave_loop(&self) {
+ self.loop_depth.set(self.loop_depth.get() - 1);
+ }
-fn tag_expr_end<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, &'a str> {
- tag(s.syntax.expr_end)(i)
+ fn is_in_loop(&self) -> bool {
+ self.loop_depth.get() > 0
+ }
}
#[derive(Debug)]
diff --git a/askama_parser/src/node.rs b/askama_parser/src/node.rs
index 5d44162..6a8899f 100644
--- a/askama_parser/src/node.rs
+++ b/askama_parser/src/node.rs
@@ -10,9 +10,8 @@ use nom::sequence::{delimited, pair, preceded, terminated, tuple};
use nom::{error_position, IResult};
use super::{
- bool_lit, char_lit, identifier, keyword, num_lit, path, skip_till, split_ws_parts, str_lit,
- tag_block_end, tag_block_start, tag_comment_end, tag_comment_start, tag_expr_end,
- tag_expr_start, take_content, ws, Expr, State,
+ bool_lit, char_lit, identifier, keyword, num_lit, path, skip_till, split_ws_parts, str_lit, ws,
+ Expr, State,
};
#[derive(Debug, PartialEq)]
@@ -103,7 +102,7 @@ pub struct CondTest<'a> {
}
impl Node<'_> {
- pub(super) fn parse<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, Vec<Node<'a>>> {
+ pub(super) fn parse<'i>(i: &'i str, s: &State<'_>) -> IResult<&'i str, Vec<Node<'i>>> {
parse_template(i, s)
}
}
@@ -161,13 +160,13 @@ fn cond_if(i: &str) -> IResult<&str, CondTest<'_>> {
fn cond_block<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, Cond<'a>> {
let mut p = tuple((
- |i| tag_block_start(i, s),
+ |i| s.tag_block_start(i),
opt(expr_handle_ws),
ws(keyword("else")),
cut(tuple((
opt(cond_if),
opt(expr_handle_ws),
- |i| tag_block_end(i, s),
+ |i| s.tag_block_end(i),
cut(|i| parse_template(i, s)),
))),
));
@@ -181,12 +180,12 @@ fn block_if<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, Node<'a>> {
cond_if,
cut(tuple((
opt(expr_handle_ws),
- |i| tag_block_end(i, s),
+ |i| s.tag_block_end(i),
cut(tuple((
|i| parse_template(i, s),
many0(|i| cond_block(i, s)),
cut(tuple((
- |i| tag_block_start(i, s),
+ |i| s.tag_block_start(i),
opt(expr_handle_ws),
ws(keyword("endif")),
opt(expr_handle_ws),
@@ -203,12 +202,12 @@ fn block_if<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, Node<'a>> {
fn match_else_block<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, When<'a>> {
let mut p = tuple((
- |i| tag_block_start(i, s),
+ |i| s.tag_block_start(i),
opt(expr_handle_ws),
ws(keyword("else")),
cut(tuple((
opt(expr_handle_ws),
- |i| tag_block_end(i, s),
+ |i| s.tag_block_end(i),
cut(|i| parse_template(i, s)),
))),
));
@@ -218,13 +217,13 @@ fn match_else_block<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, When<'a>>
fn when_block<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, When<'a>> {
let mut p = tuple((
- |i| tag_block_start(i, s),
+ |i| s.tag_block_start(i),
opt(expr_handle_ws),
ws(keyword("when")),
cut(tuple((
ws(Target::parse),
opt(expr_handle_ws),
- |i| tag_block_end(i, s),
+ |i| s.tag_block_end(i),
cut(|i| parse_template(i, s)),
))),
));
@@ -239,14 +238,14 @@ fn block_match<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, Node<'a>> {
cut(tuple((
ws(Expr::parse),
opt(expr_handle_ws),
- |i| tag_block_end(i, s),
+ |i| s.tag_block_end(i),
cut(tuple((
ws(many0(ws(value((), |i| block_comment(i, s))))),
many1(|i| when_block(i, s)),
cut(tuple((
opt(|i| match_else_block(i, s)),
cut(tuple((
- ws(|i| tag_block_start(i, s)),
+ ws(|i| s.tag_block_start(i)),
opt(expr_handle_ws),
ws(keyword("endmatch")),
opt(expr_handle_ws),
@@ -302,9 +301,9 @@ fn block_for<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, Node<'a>> {
cut(tuple((
opt(expr_handle_ws),
delimited(
- |i| tag_block_end(i, s),
+ |i| s.tag_block_end(i),
|i| parse_template(i, s),
- |i| tag_block_start(i, s),
+ |i| s.tag_block_start(i),
),
opt(expr_handle_ws),
))),
@@ -322,11 +321,11 @@ fn block_for<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, Node<'a>> {
ws(Expr::parse),
opt(if_cond),
opt(expr_handle_ws),
- |i| tag_block_end(i, s),
+ |i| s.tag_block_end(i),
cut(tuple((
|i| parse_loop_content(i, s),
cut(tuple((
- |i| tag_block_start(i, s),
+ |i| s.tag_block_start(i),
opt(expr_handle_ws),
opt(else_block),
ws(keyword("endfor")),
@@ -364,7 +363,7 @@ fn block_block<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, Node<'a>> {
opt(expr_handle_ws),
ws(keyword("block")),
cut(tuple((ws(identifier), opt(expr_handle_ws), |i| {
- tag_block_end(i, s)
+ s.tag_block_end(i)
}))),
));
let (i, (pws1, _, (name, nws1, _))) = start(i)?;
@@ -372,7 +371,7 @@ fn block_block<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, Node<'a>> {
let mut end = cut(tuple((
|i| parse_template(i, s),
cut(tuple((
- |i| tag_block_start(i, s),
+ |i| s.tag_block_start(i),
opt(expr_handle_ws),
ws(keyword("endblock")),
cut(tuple((opt(ws(keyword(name))), opt(expr_handle_ws)))),
@@ -418,7 +417,7 @@ fn block_macro<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, Node<'a>> {
ws(identifier),
opt(ws(parameters)),
opt(expr_handle_ws),
- |i| tag_block_end(i, s),
+ |i| s.tag_block_end(i),
))),
));
let (i, (pws1, _, (name, params, nws1, _))) = start(i)?;
@@ -426,7 +425,7 @@ fn block_macro<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, Node<'a>> {
let mut end = cut(tuple((
|i| parse_template(i, s),
cut(tuple((
- |i| tag_block_start(i, s),
+ |i| s.tag_block_start(i),
opt(expr_handle_ws),
ws(keyword("endmacro")),
cut(tuple((opt(ws(keyword(name))), opt(expr_handle_ws)))),
@@ -454,11 +453,11 @@ fn block_macro<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, Node<'a>> {
fn block_raw<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, Node<'a>> {
let endraw = tuple((
- |i| tag_block_start(i, s),
+ |i| s.tag_block_start(i),
opt(expr_handle_ws),
ws(keyword("endraw")),
opt(expr_handle_ws),
- peek(|i| tag_block_end(i, s)),
+ peek(|i| s.tag_block_end(i)),
));
let mut p = tuple((
@@ -466,7 +465,7 @@ fn block_raw<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, Node<'a>> {
ws(keyword("raw")),
cut(tuple((
opt(expr_handle_ws),
- |i| tag_block_end(i, s),
+ |i| s.tag_block_end(i),
consumed(skip_till(endraw)),
))),
));
@@ -509,7 +508,7 @@ fn continue_statement<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, Node<'a
fn block_node<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, Node<'a>> {
let mut p = tuple((
- |i| tag_block_start(i, s),
+ |i| s.tag_block_start(i),
alt((
block_call,
block_let,
@@ -525,7 +524,7 @@ fn block_node<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, Node<'a>> {
|i| break_statement(i, s),
|i| continue_statement(i, s),
)),
- cut(|i| tag_block_end(i, s)),
+ cut(|i| s.tag_block_end(i)),
));
let (i, (_, contents, _)) = p(i)?;
Ok((i, contents))
@@ -551,11 +550,11 @@ fn block_comment_body<'a>(mut i: &'a str, s: &State<'_>) -> IResult<&'a str, &'a
fn block_comment<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, Node<'a>> {
let mut p = tuple((
- |i| tag_comment_start(i, s),
+ |i| s.tag_comment_start(i),
cut(tuple((
opt(expr_handle_ws),
|i| block_comment_body(i, s),
- |i| tag_comment_end(i, s),
+ |i| s.tag_comment_end(i),
))),
));
let (i, (_, (pws, tail, _))) = p(i)?;
@@ -573,12 +572,12 @@ fn block_comment<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, Node<'a>> {
fn expr_node<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, Node<'a>> {
let mut p = tuple((
- |i| tag_expr_start(i, s),
+ |i| s.tag_expr_start(i),
cut(tuple((
opt(expr_handle_ws),
ws(Expr::parse),
opt(expr_handle_ws),
- |i| tag_expr_end(i, s),
+ |i| s.tag_expr_end(i),
))),
));
let (i, (_, (pws, expr, nws, _))) = p(i)?;
@@ -587,7 +586,7 @@ fn expr_node<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, Node<'a>> {
fn parse_template<'a>(i: &'a str, s: &State<'_>) -> IResult<&'a str, Vec<Node<'a>>> {
many0(alt((
- complete(|i| take_content(i, s)),
+ complete(|i| s.take_content(i)),
complete(|i| block_comment(i, s)),
complete(|i| expr_node(i, s)),
complete(|i| block_node(i, s)),
generated by cgit (git 2.34.1) at 2025-10-31 11:21:55 +0000