Struct PreprocessorRegistry 

pub struct PreprocessorRegistry { /* private fields */ }

Registry of available preprocessors.

Preprocessors are checked in registration order. The first preprocessor whose matches_extension returns true for a filename wins.

Implementations

impl PreprocessorRegistry

pub fn new() -> Self

Create an empty registry.

pub fn register(&mut self, preprocessor: Box<dyn Preprocessor>)

Register a preprocessor.

pub fn find_for_file(&self, filename: &str) -> Option<&dyn Preprocessor>

Find the preprocessor that handles a given filename, if any.

pub fn is_preprocessor_file(&self, filename: &str) -> bool

Whether any registered preprocessor handles this filename.

pub fn is_empty(&self) -> bool

Whether the registry has any preprocessors registered.

pub fn len(&self) -> usize

Number of registered preprocessors.

Trait Implementations

impl Default for PreprocessorRegistry

fn default() -> Self

Returns the “default value” for a type.