derive: feature gate "code-in-doc"

rinja/Cargo.toml

@@ -18,6 +18,7 @@ maintenance = { status = "actively-developed" }
 
 [features]
 default = ["config", "humansize", "num-traits", "urlencode"]
+code-in-doc = ["rinja_derive/code-in-doc"]
 config = ["rinja_derive/config"]
 humansize = ["rinja_derive/humansize", "dep:humansize"]
 num-traits = ["rinja_derive/num-traits", "dep:num-traits"]

rinja_derive/Cargo.toml

@@ -14,6 +14,7 @@ rust-version = "1.71"
 proc-macro = true
 
 [features]
+code-in-doc = ["dep:pulldown-cmark"]
 config = ["dep:serde", "dep:basic-toml"]
 humansize = []
 urlencode = []
@@ -33,7 +34,7 @@ mime = "0.3"
 mime_guess = "2"
 once_map = "0.4.18"
 proc-macro2 = "1"
-pulldown-cmark = { version = "0.11.0", default-features = false }
+pulldown-cmark = { version = "0.11.0", optional = true, default-features = false }
 quote = "1"
 serde = { version = "1.0", optional = true, features = ["derive"] }
 syn = "2.0.3"

rinja_derive/src/input.rs

@@ -9,7 +9,6 @@ use mime::Mime;
 use once_map::OnceMap;
 use parser::{Node, Parsed};
 use proc_macro2::Span;
-use pulldown_cmark::{CodeBlockKind, Event, Parser, Tag, TagEnd};
 use syn::punctuated::Punctuated;
 use syn::spanned::Spanned;
 
@@ -406,6 +405,7 @@ impl TemplateArgs {
             }
         }
 
+        #[cfg(feature = "code-in-doc")]
         if args.source.is_none() {
             args.source = source_from_docs(ast);
         }
@@ -426,6 +426,7 @@ impl TemplateArgs {
     }
 }
 
+#[cfg(feature = "code-in-doc")]
 /// Try to find the souce in the comment, in a "```rinja```" block
 ///
 /// This is only done if no path or source was given in the `#[template]` attribute.
@@ -436,6 +437,7 @@ fn source_from_docs(ast: &syn::DeriveInput) -> Option<(Source, Option<Span>)> {
     Some((source, span))
 }
 
+#[cfg(feature = "code-in-doc")]
 fn collect_comment_blocks(ast: &syn::DeriveInput) -> Option<(Option<Span>, String)> {
     let mut span: Option<Span> = None;
     let mut assign_span = |kv: &syn::MetaNameValue| {
@@ -485,6 +487,7 @@ fn collect_comment_blocks(ast: &syn::DeriveInput) -> Option<(Option<Span>, Strin
     Some((span, source))
 }
 
+#[cfg(feature = "code-in-doc")]
 fn strip_common_ws_prefix(source: String) -> Option<String> {
     let mut common_prefix_iter = source
         .lines()
@@ -514,7 +517,10 @@ fn strip_common_ws_prefix(source: String) -> Option<String> {
     )
 }
 
+#[cfg(feature = "code-in-doc")]
 fn collect_rinja_code_blocks(source: String) -> Option<Source> {
+    use pulldown_cmark::{CodeBlockKind, Event, Parser, Tag, TagEnd};
+
     let mut tmpl_source = String::new();
     let mut in_rinja_code = false;
     let mut had_rinja_code = false;

rinja_derive/src/tests.rs

@@ -582,6 +582,7 @@ A
     );
 }
 
+#[cfg(feature = "code-in-doc")]
 #[test]
 fn test_code_in_comment() {
     let ts = r#"

rinja_derive_standalone/Cargo.toml

@@ -13,6 +13,8 @@ publish = false
 [features]
 default = ["__standalone"]
 __standalone = []
+
+code-in-doc = ["dep:pulldown-cmark"]
 config = ["dep:serde", "dep:basic-toml"]
 humansize = []
 urlencode = []
@@ -32,7 +34,7 @@ mime = "0.3"
 mime_guess = "2"
 once_map = "0.4.18"
 proc-macro2 = "1"
-pulldown-cmark = { version = "0.11.0", default-features = false }
+pulldown-cmark = { version = "0.11.0", optional = true, default-features = false }
 quote = "1"
 serde = { version = "1.0", optional = true, features = ["derive"] }
 syn = "2"

testing/Cargo.toml

@@ -8,15 +8,16 @@ rust-version = "1.71"
 publish = false
 
 [features]
-default = ["serde_json"]
+default = ["code-in-doc", "serde_json"]
+code-in-doc = ["rinja/code-in-doc"]
 serde_json = ["dep:serde_json", "rinja/serde_json"]
 
 [dependencies]
 rinja = { path = "../rinja", version = "0.3.0" }
 serde_json = { version = "1.0", optional = true }
 
 [dev-dependencies]
-rinja = { path = "../rinja", version = "0.3.0", features = ["serde_json"] }
+rinja = { path = "../rinja", version = "0.3.0", features = ["code-in-doc", "serde_json"] }
 criterion = "0.5"
 phf = { version = "0.11", features = ["macros" ]}
 trybuild = "1.0.76"

testing/tests/filter_block.rs

@@ -233,7 +233,7 @@ fn filter_block_include() {
     <body class=""><h1>Metadata</h1>
         
 
-    99</body>
+    104</body>
 </html>"#
     );
 }

testing/tests/source-in-code.rs

@@ -1,3 +1,5 @@
+#![cfg(feature = "code-in-doc")]
+
 // Regarding `#[rustfmt::skip]`: `cargo fmt` strips extraneous newlines in code block,
 // but we want to test if `rinja_derive` works with extraneous newlines.