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-rw-r--r--askama_derive/src/config.rs47
-rw-r--r--askama_derive/src/generator.rs9
2 files changed, 39 insertions, 17 deletions
diff --git a/askama_derive/src/config.rs b/askama_derive/src/config.rs
index 98e51ce..22aada7 100644
--- a/askama_derive/src/config.rs
+++ b/askama_derive/src/config.rs
@@ -17,8 +17,11 @@ pub(crate) struct Config<'a> {
pub(crate) whitespace: WhitespaceHandling,
}
-impl Config<'_> {
- pub(crate) fn new(s: &str) -> std::result::Result<Config<'_>, CompileError> {
+impl<'a> Config<'a> {
+ pub(crate) fn new(
+ s: &'a str,
+ template_whitespace: Option<&String>,
+ ) -> std::result::Result<Config<'a>, CompileError> {
let root = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap());
let default_dirs = vec![root.join("templates")];
@@ -31,7 +34,7 @@ impl Config<'_> {
RawConfig::from_toml_str(s)?
};
- let (dirs, default_syntax, whitespace) = match raw.general {
+ let (dirs, default_syntax, mut whitespace) = match raw.general {
Some(General {
dirs,
default_syntax,
@@ -49,6 +52,14 @@ impl Config<'_> {
WhitespaceHandling::default(),
),
};
+ if let Some(template_whitespace) = template_whitespace {
+ whitespace = match template_whitespace.as_str() {
+ "suppress" => WhitespaceHandling::Suppress,
+ "minimize" => WhitespaceHandling::Minimize,
+ "preserve" => WhitespaceHandling::Preserve,
+ s => return Err(format!("invalid value for `whitespace`: \"{s}\"").into()),
+ };
+ }
if let Some(raw_syntaxes) = raw.syntax {
for raw_s in raw_syntaxes {
@@ -309,7 +320,7 @@ mod tests {
#[test]
fn get_source() {
- let path = Config::new("")
+ let path = Config::new("", None)
.and_then(|config| config.find_template("b.html", None))
.unwrap();
assert_eq!(get_template_source(&path).unwrap(), "bar");
@@ -319,7 +330,7 @@ mod tests {
fn test_default_config() {
let mut root = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap());
root.push("templates");
- let config = Config::new("").unwrap();
+ let config = Config::new("", None).unwrap();
assert_eq!(config.dirs, vec![root]);
}
@@ -328,7 +339,7 @@ mod tests {
fn test_config_dirs() {
let mut root = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap());
root.push("tpl");
- let config = Config::new("[general]\ndirs = [\"tpl\"]").unwrap();
+ let config = Config::new("[general]\ndirs = [\"tpl\"]", None).unwrap();
assert_eq!(config.dirs, vec![root]);
}
@@ -342,7 +353,7 @@ mod tests {
#[test]
fn find_absolute() {
- let config = Config::new("").unwrap();
+ let config = Config::new("", None).unwrap();
let root = config.find_template("a.html", None).unwrap();
let path = config.find_template("sub/b.html", Some(&root)).unwrap();
assert_eq_rooted(&path, "sub/b.html");
@@ -351,14 +362,14 @@ mod tests {
#[test]
#[should_panic]
fn find_relative_nonexistent() {
- let config = Config::new("").unwrap();
+ let config = Config::new("", None).unwrap();
let root = config.find_template("a.html", None).unwrap();
config.find_template("c.html", Some(&root)).unwrap();
}
#[test]
fn find_relative() {
- let config = Config::new("").unwrap();
+ let config = Config::new("", None).unwrap();
let root = config.find_template("sub/b.html", None).unwrap();
let path = config.find_template("c.html", Some(&root)).unwrap();
assert_eq_rooted(&path, "sub/c.html");
@@ -366,7 +377,7 @@ mod tests {
#[test]
fn find_relative_sub() {
- let config = Config::new("").unwrap();
+ let config = Config::new("", None).unwrap();
let root = config.find_template("sub/b.html", None).unwrap();
let path = config.find_template("sub1/d.html", Some(&root)).unwrap();
assert_eq_rooted(&path, "sub/sub1/d.html");
@@ -389,7 +400,7 @@ mod tests {
"#;
let default_syntax = Syntax::default();
- let config = Config::new(raw_config).unwrap();
+ let config = Config::new(raw_config, None).unwrap();
assert_eq!(config.default_syntax, "foo");
let foo = config.syntaxes.get("foo").unwrap();
@@ -421,7 +432,7 @@ mod tests {
"#;
let default_syntax = Syntax::default();
- let config = Config::new(raw_config).unwrap();
+ let config = Config::new(raw_config, None).unwrap();
assert_eq!(config.default_syntax, "foo");
let foo = config.syntaxes.get("foo").unwrap();
@@ -449,7 +460,7 @@ mod tests {
syntax = [{ name = "default" }]
"#;
- let _config = Config::new(raw_config).unwrap();
+ let _config = Config::new(raw_config, None).unwrap();
}
#[cfg(feature = "toml")]
@@ -461,7 +472,7 @@ mod tests {
{ name = "foo", block_start = "%%" } ]
"#;
- let _config = Config::new(raw_config).unwrap();
+ let _config = Config::new(raw_config, None).unwrap();
}
#[cfg(feature = "toml")]
@@ -473,7 +484,7 @@ mod tests {
default_syntax = "foo"
"#;
- let _config = Config::new(raw_config).unwrap();
+ let _config = Config::new(raw_config, None).unwrap();
}
#[cfg(feature = "config")]
@@ -485,6 +496,7 @@ mod tests {
path = "::askama::Js"
extensions = ["js"]
"#,
+ None,
)
.unwrap();
assert_eq!(
@@ -509,11 +521,12 @@ mod tests {
[general]
whitespace = "suppress"
"#,
+ None,
)
.unwrap();
assert_eq!(config.whitespace, WhitespaceHandling::Suppress);
- let config = Config::new(r#""#).unwrap();
+ let config = Config::new(r#""#, None).unwrap();
assert_eq!(config.whitespace, WhitespaceHandling::Preserve);
let config = Config::new(
@@ -521,6 +534,7 @@ mod tests {
[general]
whitespace = "preserve"
"#,
+ None,
)
.unwrap();
assert_eq!(config.whitespace, WhitespaceHandling::Preserve);
@@ -530,6 +544,7 @@ mod tests {
[general]
whitespace = "minimize"
"#,
+ None,
)
.unwrap();
assert_eq!(config.whitespace, WhitespaceHandling::Minimize);
diff --git a/askama_derive/src/generator.rs b/askama_derive/src/generator.rs
index cad7909..2101feb 100644
--- a/askama_derive/src/generator.rs
+++ b/askama_derive/src/generator.rs
@@ -30,7 +30,7 @@ pub(crate) fn derive_template(input: TokenStream) -> TokenStream {
fn build_template(ast: &syn::DeriveInput) -> Result<String, CompileError> {
let template_args = TemplateArgs::new(ast)?;
let config_toml = read_config_file(template_args.config_path.as_deref())?;
- let config = Config::new(&config_toml)?;
+ let config = Config::new(&config_toml, template_args.whitespace.as_ref())?;
let input = TemplateInput::new(ast, &config, template_args)?;
let source: String = match input.source {
Source::Source(ref s) => s.clone(),
@@ -83,6 +83,7 @@ pub(crate) struct TemplateArgs {
pub(crate) ext: Option<String>,
pub(crate) syntax: Option<String>,
pub(crate) config_path: Option<String>,
+ pub(crate) whitespace: Option<String>,
}
impl TemplateArgs {
@@ -181,6 +182,12 @@ impl TemplateArgs {
} else {
return Err("config value must be string literal".into());
}
+ } else if ident == "whitespace" {
+ if let syn::Lit::Str(ref s) = pair.lit {
+ args.whitespace = Some(s.value())
+ } else {
+ return Err("whitespace value must be string literal".into());
+ }
} else {
return Err(format!("unsupported attribute key {ident:?} found").into());
}