diff options
| -rw-r--r-- | askama_derive/src/input.rs | 93 |
1 files changed, 51 insertions, 42 deletions
diff --git a/askama_derive/src/input.rs b/askama_derive/src/input.rs index a0cb813..3b65640 100644 --- a/askama_derive/src/input.rs +++ b/askama_derive/src/input.rs @@ -54,52 +54,61 @@ impl<'a> TemplateInput<'a> { let mut ext = None; let mut syntax = None; for item in meta_list.nested { - if let syn::NestedMeta::Meta(syn::Meta::NameValue(ref pair)) = item { - if pair.path.is_ident("path") { - if let syn::Lit::Str(ref s) = pair.lit { - if source.is_some() { - panic!("must specify 'source' or 'path', not both"); - } - source = Some(Source::Path(s.value())); - } else { - panic!("template path must be string literal"); - } - } else if pair.path.is_ident("source") { - if let syn::Lit::Str(ref s) = pair.lit { - if source.is_some() { - panic!("must specify 'source' or 'path', not both"); - } - source = Some(Source::Source(s.value())); - } else { - panic!("template source must be string literal"); - } - } else if pair.path.is_ident("print") { - if let syn::Lit::Str(ref s) = pair.lit { - print = s.value().into(); - } else { - panic!("print value must be string literal"); + let pair = match item { + syn::NestedMeta::Meta(syn::Meta::NameValue(ref pair)) => pair, + _ => panic!( + "unsupported attribute argument {:?}", + item.to_token_stream() + ), + }; + + if pair.path.is_ident("path") { + if let syn::Lit::Str(ref s) = pair.lit { + if source.is_some() { + panic!("must specify 'source' or 'path', not both"); } - } else if pair.path.is_ident("escape") { - if let syn::Lit::Str(ref s) = pair.lit { - escaping = Some(s.value()); - } else { - panic!("escape value must be string literal"); - } - } else if pair.path.is_ident("ext") { - if let syn::Lit::Str(ref s) = pair.lit { - ext = Some(s.value()); - } else { - panic!("ext value must be string literal"); - } - } else if pair.path.is_ident("syntax") { - if let syn::Lit::Str(ref s) = pair.lit { - syntax = Some(s.value()) - } else { - panic!("syntax value must be string literal"); + source = Some(Source::Path(s.value())); + } else { + panic!("template path must be string literal"); + } + } else if pair.path.is_ident("source") { + if let syn::Lit::Str(ref s) = pair.lit { + if source.is_some() { + panic!("must specify 'source' or 'path', not both"); } + source = Some(Source::Source(s.value())); + } else { + panic!("template source must be string literal"); + } + } else if pair.path.is_ident("print") { + if let syn::Lit::Str(ref s) = pair.lit { + print = s.value().into(); + } else { + panic!("print value must be string literal"); + } + } else if pair.path.is_ident("escape") { + if let syn::Lit::Str(ref s) = pair.lit { + escaping = Some(s.value()); + } else { + panic!("escape value must be string literal"); + } + } else if pair.path.is_ident("ext") { + if let syn::Lit::Str(ref s) = pair.lit { + ext = Some(s.value()); + } else { + panic!("ext value must be string literal"); + } + } else if pair.path.is_ident("syntax") { + if let syn::Lit::Str(ref s) = pair.lit { + syntax = Some(s.value()) } else { - panic!("unsupported attribute key '{}' found", pair.path.to_token_stream()) + panic!("syntax value must be string literal"); } + } else { + panic!( + "unsupported attribute key '{}' found", + pair.path.to_token_stream() + ) } } |