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simplify arg checking

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This commit is contained in:
Josh Thomas 2025-09-08 21:02:40 -05:00
parent 077a5f2961
commit 2311fb3288
2 changed files with 24 additions and 45 deletions
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1
crates/djls-templates/src/templatetags.rs
View file

@ -1,5 +1,6 @@
mod specs;
pub use specs::ArgSpec;
pub use specs::TagSpecs;
pub enum TagType {

68
crates/djls-templates/src/validation.rs
View file

@ -23,6 +23,7 @@ use crate::ast::Span;
use crate::ast::TagName;
use crate::ast::TagNode;
use crate::db::Db as TemplateDb;
use crate::templatetags::ArgSpec;
use crate::templatetags::TagType;
use crate::Ast;
@ -52,9 +53,20 @@ impl<'db> TagValidator<'db> {
if let Some(Node::Tag { name, bits, span }) = self.current_node() {
let name_str = name.text(self.db);
match TagType::for_name(&name_str, &self.db.tag_specs()) {
let tag_specs = self.db.tag_specs();
let tag_type = TagType::for_name(&name_str, &tag_specs);
let arg_spec = match tag_type {
TagType::Closer => tag_specs
.get_end_spec_for_closer(&name_str)
.and_then(|s| s.args.as_ref()),
_ => tag_specs.get(&name_str).and_then(|s| s.args.as_ref()),
};
self.check_arguments(&name_str, &bits, span, arg_spec);
match tag_type {
TagType::Opener => {
self.check_arguments(&name_str, &bits, span);
self.stack.push(TagNode {
name,
bits: bits.clone(),
@ -62,15 +74,13 @@ impl<'db> TagValidator<'db> {
});
}
TagType::Intermediate => {
self.check_arguments(&name_str, &bits, span);
self.handle_intermediate(&name_str, span);
}
TagType::Closer => {
self.check_closer_arguments(&name_str, &bits, span);
self.handle_closer(name, &bits, span);
}
TagType::Standalone => {
self.check_arguments(&name_str, &bits, span);
// No additional action needed for standalone tags
}
}
}
@ -89,46 +99,14 @@ impl<'db> TagValidator<'db> {
self.errors
}
fn check_arguments(&mut self, name: &str, bits: &[String], span: Span<'db>) {
let tag_specs = self.db.tag_specs();
let Some(spec) = tag_specs.get(name) else {
return;
};
let Some(arg_spec) = &spec.args else {
return;
};
if let Some(min) = arg_spec.min {
if bits.len() < min {
self.errors.push(AstError::MissingRequiredArguments {
tag: name.to_string(),
min,
span_start: span.start(self.db),
span_length: span.length(self.db),
});
}
}
if let Some(max) = arg_spec.max {
if bits.len() > max {
self.errors.push(AstError::TooManyArguments {
tag: name.to_string(),
max,
span_start: span.start(self.db),
span_length: span.length(self.db),
});
}
}
}
fn check_closer_arguments(&mut self, name: &str, bits: &[String], span: Span<'db>) {
let tag_specs = self.db.tag_specs();
let Some(end_spec) = tag_specs.get_end_spec_for_closer(name) else {
return;
};
let Some(arg_spec) = &end_spec.args else {
fn check_arguments(
&mut self,
name: &str,
bits: &[String],
span: Span<'db>,
arg_spec: Option<&ArgSpec>,
) {
let Some(arg_spec) = arg_spec else {
return;
};