Struct sequoia_openpgp::armor::Writer

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pub struct Writer<W: Write> { /* private fields */ }
Expand description

A filter that applies ASCII Armor to the data written to it.

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impl<W: Write> Writer<W>

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pub fn new(inner: W, kind: Kind) -> Result<Self>

Constructs a new filter for the given type of data.

§Examples
use std::io::{Read, Write, Cursor};
use sequoia_openpgp as openpgp;
use openpgp::armor::{Writer, Kind};

let mut writer = Writer::new(Vec::new(), Kind::File)?;
writer.write_all(b"Hello world!")?;
let buffer = writer.finalize()?;
assert_eq!(
    String::from_utf8_lossy(&buffer),
    "-----BEGIN PGP ARMORED FILE-----

SGVsbG8gd29ybGQh
=s4Gu
-----END PGP ARMORED FILE-----
");
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pub fn with_headers<I, K, V>(inner: W, kind: Kind, headers: I) -> Result<Self>
where I: IntoIterator<Item = (K, V)>, K: AsRef<str>, V: AsRef<str>,

Constructs a new filter for the given type of data.

§Examples
use std::io::{Read, Write, Cursor};
use sequoia_openpgp as openpgp;
use openpgp::armor::{Writer, Kind};

let mut writer = Writer::with_headers(Vec::new(), Kind::File,
    vec![("Key", "Value")])?;
writer.write_all(b"Hello world!")?;
let buffer = writer.finalize()?;
assert_eq!(
    String::from_utf8_lossy(&buffer),
    "-----BEGIN PGP ARMORED FILE-----
Key: Value

SGVsbG8gd29ybGQh
=s4Gu
-----END PGP ARMORED FILE-----
");
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pub fn get_ref(&self) -> &W

Returns a reference to the inner writer.

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pub fn get_mut(&mut self) -> &mut W

Returns a mutable reference to the inner writer.

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pub fn finalize(self) -> Result<W>

Writes the footer.

This function needs to be called explicitly before the writer is dropped.

Trait Implementations§

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impl<W: Write> Write for Writer<W>

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fn write(&mut self, buf: &[u8]) -> Result<usize>

Write a buffer into this writer, returning how many bytes were written. Read more
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fn flush(&mut self) -> Result<()>

Flush this output stream, ensuring that all intermediately buffered contents reach their destination. Read more
1.36.0 · source§

fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> Result<usize, Error>

Like write, except that it writes from a slice of buffers. Read more
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fn is_write_vectored(&self) -> bool

🔬This is a nightly-only experimental API. (can_vector)
Determines if this Writer has an efficient write_vectored implementation. Read more
1.0.0 · source§

fn write_all(&mut self, buf: &[u8]) -> Result<(), Error>

Attempts to write an entire buffer into this writer. Read more
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fn write_all_vectored(&mut self, bufs: &mut [IoSlice<'_>]) -> Result<(), Error>

🔬This is a nightly-only experimental API. (write_all_vectored)
Attempts to write multiple buffers into this writer. Read more
1.0.0 · source§

fn write_fmt(&mut self, fmt: Arguments<'_>) -> Result<(), Error>

Writes a formatted string into this writer, returning any error encountered. Read more
1.0.0 · source§

fn by_ref(&mut self) -> &mut Self
where Self: Sized,

Creates a “by reference” adapter for this instance of Write. Read more

Auto Trait Implementations§

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impl<W> Freeze for Writer<W>
where W: Freeze,

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impl<W> RefUnwindSafe for Writer<W>
where W: RefUnwindSafe,

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impl<W> Send for Writer<W>
where W: Send,

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impl<W> Sync for Writer<W>
where W: Sync,

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impl<W> Unpin for Writer<W>
where W: Unpin,

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impl<W> UnwindSafe for Writer<W>
where W: UnwindSafe,

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.