[−][src]Trait streamcatcher::Transform

pub trait Transform<TInput: Read> {
    fn transform_read(
        &mut self, 
        src: &mut TInput, 
        buf: &mut [u8]
    ) -> IoResult<TransformPosition>;
}

Allows an input bytestream to be modified before it is stored.

Must be implemented alongside NeedsBytes in a functional transform.

Required methods

`fn transform_read( &mut self, src: &mut TInput, buf: &mut [u8] ) -> IoResult<TransformPosition>`

Data transform, given access to the underlying Read object and the destination buffer.

Transforms are free to make no change to buf without marking the stream as finalised: see TransformPosition for the semantics.

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Implementors

`impl<T: Read> Transform<T> for Identity`[src]

`fn transform_read( &mut self, src: &mut T, buf: &mut [u8] ) -> IoResult<TransformPosition>`[src]