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This PR ensures we extract candidates from Haml files. Fixes: #17050
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,123 @@ | ||
| use crate::cursor; | ||
| use crate::extractor::bracket_stack::BracketStack; | ||
| use crate::extractor::pre_processors::pre_processor::PreProcessor; | ||
|
|
||
| #[derive(Debug, Default)] | ||
| pub struct Haml; | ||
|
|
||
| impl PreProcessor for Haml { | ||
| fn process(&self, content: &[u8]) -> Vec<u8> { | ||
| let len = content.len(); | ||
| let mut result = content.to_vec(); | ||
| let mut cursor = cursor::Cursor::new(content); | ||
| let mut bracket_stack = BracketStack::default(); | ||
|
|
||
| while cursor.pos < len { | ||
| match cursor.curr { | ||
| // Consume strings as-is | ||
| b'\'' | b'"' => { | ||
| let len = cursor.input.len(); | ||
| let end_char = cursor.curr; | ||
|
|
||
| cursor.advance(); | ||
|
|
||
| while cursor.pos < len { | ||
| match cursor.curr { | ||
| // Escaped character, skip ahead to the next character | ||
| b'\\' => cursor.advance_twice(), | ||
|
|
||
| // End of the string | ||
| b'\'' | b'"' if cursor.curr == end_char => break, | ||
|
|
||
| // Everything else is valid | ||
| _ => cursor.advance(), | ||
| }; | ||
| } | ||
| } | ||
|
|
||
| // Replace following characters with spaces if they are not inside of brackets | ||
| b'.' | b'#' | b'=' if bracket_stack.is_empty() => { | ||
| result[cursor.pos] = b' '; | ||
| } | ||
|
|
||
| b'(' | b'[' | b'{' => { | ||
| // Replace first bracket with a space | ||
| if bracket_stack.is_empty() { | ||
| result[cursor.pos] = b' '; | ||
| } | ||
| bracket_stack.push(cursor.curr); | ||
| } | ||
|
|
||
| b')' | b']' | b'}' => { | ||
| bracket_stack.pop(cursor.curr); | ||
|
|
||
| // Replace closing bracket with a space | ||
| if bracket_stack.is_empty() { | ||
| result[cursor.pos] = b' '; | ||
| } | ||
| } | ||
|
|
||
| // Consume everything else | ||
| _ => {} | ||
| }; | ||
|
|
||
| cursor.advance(); | ||
| } | ||
|
|
||
| result | ||
| } | ||
| } | ||
|
|
||
| #[cfg(test)] | ||
| mod tests { | ||
| use super::Haml; | ||
| use crate::extractor::pre_processors::pre_processor::PreProcessor; | ||
|
|
||
| #[test] | ||
| fn test_haml_pre_processor() { | ||
| for (input, expected) in [ | ||
| // Element with classes | ||
| ( | ||
| "%body.flex.flex-col.items-center.justify-center", | ||
| "%body flex flex-col items-center justify-center", | ||
| ), | ||
| // Plain element | ||
| ( | ||
| ".text-slate-500.xl:text-gray-500", | ||
| " text-slate-500 xl:text-gray-500", | ||
| ), | ||
| // Element with hash attributes | ||
| ( | ||
| ".text-black.xl:text-red-500{ data: { tailwind: 'css' } }", | ||
| " text-black xl:text-red-500 data: { tailwind: 'css' } ", | ||
| ), | ||
| // Element with a boolean attribute | ||
| ( | ||
| ".text-green-500.xl:text-blue-500(data-sidebar)", | ||
| " text-green-500 xl:text-blue-500 data-sidebar ", | ||
| ), | ||
| // Element with interpreted content | ||
| ( | ||
| ".text-yellow-500.xl:text-purple-500= 'Element with interpreted content'", | ||
| " text-yellow-500 xl:text-purple-500 'Element with interpreted content'", | ||
| ), | ||
| // Element with a hash at the end and an extra class. | ||
| ( | ||
| ".text-orange-500.xl:text-pink-500{ class: 'bg-slate-100' }", | ||
| " text-orange-500 xl:text-pink-500 class: 'bg-slate-100' ", | ||
| ), | ||
| // Object reference | ||
| ( | ||
| ".text-teal-500.xl:text-indigo-500[@user, :greeting]", | ||
| " text-teal-500 xl:text-indigo-500 @user, :greeting ", | ||
| ), | ||
| // Element with an ID | ||
| ( | ||
| ".text-lime-500.xl:text-emerald-500#root", | ||
| " text-lime-500 xl:text-emerald-500 root", | ||
| ), | ||
| ] { | ||
| Haml::test(input, expected); | ||
| } | ||
| } | ||
| } |
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