[−][src]Struct readfilter::CharWhitelist
Removes all non-whitelisted characters from the wrapped stream.
Non-utf8 characters are lost due to internal string conversions using String::from_utf8_lossy().
use readfilter::CharWhitelist; use std::io::Read; let buf = "aabbccddee".as_bytes(); let mut wrapped = CharWhitelist::new(buf, "ace"); let mut s = String::new(); wrapped.read_to_string(&mut s).unwrap(); assert_eq!(&s, "aaccee");
use readfilter::CharWhitelist; use std::fs::OpenOptions; use std::io::Read; let mut output = vec![]; let fd = OpenOptions::new().read(true).open("input.txt").unwrap(); let mut input = CharWhitelist::new(fd, "01"); input.read_to_end(&mut output); // output only contains the '0' and '1' characters from input.txt
Methods
impl<T> CharWhitelist<T> where
T: Read,
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T: Read,
Trait Implementations
impl<T> Read for CharWhitelist<T> where
T: Read,
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T: Read,
fn read(&mut self, out_buf: &mut [u8]) -> Result<usize>
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fn read_vectored(&mut self, bufs: &mut [IoSliceMut]) -> Result<usize, Error>
1.36.0[src]
unsafe fn initializer(&self) -> Initializer
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fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize, Error>
1.0.0[src]
fn read_to_string(&mut self, buf: &mut String) -> Result<usize, Error>
1.0.0[src]
fn read_exact(&mut self, buf: &mut [u8]) -> Result<(), Error>
1.6.0[src]
fn by_ref(&mut self) -> &mut Self
1.0.0[src]
fn bytes(self) -> Bytes<Self>
1.0.0[src]
fn chain<R>(self, next: R) -> Chain<Self, R> where
R: Read,
1.0.0[src]
R: Read,
fn take(self, limit: u64) -> Take<Self>
1.0.0[src]
Auto Trait Implementations
impl<T> RefUnwindSafe for CharWhitelist<T> where
T: RefUnwindSafe,
T: RefUnwindSafe,
impl<T> Send for CharWhitelist<T> where
T: Send,
T: Send,
impl<T> Sync for CharWhitelist<T> where
T: Sync,
T: Sync,
impl<T> Unpin for CharWhitelist<T> where
T: Unpin,
T: Unpin,
impl<T> UnwindSafe for CharWhitelist<T> where
T: UnwindSafe,
T: UnwindSafe,
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = !
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,