Struct gpgme::data::Data

pub struct Data<'data>(_, _);

Methods

impl<'data> Data<'data>

pub unsafe fn from_raw(raw: gpgme_data_t) -> Self

pub fn as_raw(&self) -> gpgme_data_t

pub fn into_raw(self) -> gpgme_data_t

pub fn stdin() -> Result<Data<'static>>

pub fn stdout() -> Result<Data<'static>>

pub fn stderr() -> Result<Data<'static>>

pub fn new() -> Result<Data<'static>>

Constructs an empty data object.

pub fn load(     path: impl CStrArgument ) -> Result<Data<'static>>

Constructs a data object and fills it with the contents of the file referenced by path.

pub fn from_bytes(     bytes: impl AsRef<[u8]> ) -> Result<Data<'static>>

Constructs a data object and fills it with a copy of bytes.

pub fn from_buffer(     buf: &'data impl AsRef<[u8]> + ?Sized ) -> Result<Self>

Constructs a data object which copies from buf as needed.

pub fn from_fd(     file: &'data impl AsRawFd + ?Sized ) -> Result<Self>

pub unsafe fn from_raw_file(file: *mut FILE) -> Result<Self>

pub fn from_reader<R>(r: R) -> Result<Self, WrappedError<R>> where     R: Read + Send + 'data,

pub fn from_seekable_reader<R>(r: R) -> Result<Self, WrappedError<R>> where     R: Read + Seek + Send + 'data,

pub fn from_writer<W>(w: W) -> Result<Self, WrappedError<W>> where     W: Write + Send + 'data,

pub fn from_seekable_writer<W>(w: W) -> Result<Self, WrappedError<W>> where     W: Write + Seek + Send + 'data,

pub fn from_stream<S: Send>(s: S) -> Result<Self, WrappedError<S>> where     S: Read + Write + Send + 'data,

pub fn from_seekable_stream<S>(s: S) -> Result<Self, WrappedError<S>> where     S: Read + Write + Seek + Send + 'data,

pub fn filename(&self) -> Result<&str, Option<Utf8Error>>

pub fn filename_raw(&self) -> Option<&CStr>

pub fn clear_filename(&mut self) -> Result<()>

pub fn set_filename(     &mut self,     name: impl CStrArgument ) -> Result<()>

pub fn encoding(&self) -> Encoding

pub fn set_encoding(&mut self, enc: Encoding) -> Result<()>

pub fn set_flag(     &mut self,     name: impl CStrArgument,     value: impl CStrArgument ) -> Result<()>

pub fn identify(&mut self) -> Type

pub fn try_into_bytes(self) -> Option<Vec<u8>>

Trait Implementations

impl<'data> Debug for Data<'data>

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl<'data> Send for Data<'data>

impl<'data> Drop for Data<'data>

fn drop(&mut self)

Executes the destructor for this type.

impl<'data> Read for Data<'data>

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

Pull some bytes from this source into the specified buffer, returning how many bytes were read.

unsafe fn initializer(&self) -> Initializer

🔬 This is a nightly-only experimental API. (read_initializer)

Determines if this Reader can work with buffers of uninitialized memory.

fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize, Error>

Read all bytes until EOF in this source, placing them into buf.

fn read_to_string(&mut self, buf: &mut String) -> Result<usize, Error>

Read all bytes until EOF in this source, appending them to buf.

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

Read the exact number of bytes required to fill buf.

Important traits for &'a mut R

impl<'a, R> Read for &'a mut R where
    R: Read + ?Sized, impl<'a, W> Write for &'a mut W where
    W: Write + ?Sized, impl<'a, I> Iterator for &'a mut I where
    I: Iterator + ?Sized,  type Item = <I as Iterator>::Item;

fn by_ref(&mut self) -> &mut Self

Creates a "by reference" adaptor for this instance of Read.

Important traits for Bytes<R>

impl<R> Iterator for Bytes<R> where
    R: Read,  type Item = Result<u8, Error>;

fn bytes(self) -> Bytes<Self>

Transforms this Read instance to an [Iterator] over its bytes.

Important traits for Chars<R>

impl<R> Iterator for Chars<R> where
    R: Read,  type Item = Result<char, CharsError>;

fn chars(self) -> Chars<Self>

Deprecated since 1.27.0

: Use str::from_utf8 instead: https://doc.rust-lang.org/nightly/std/str/struct.Utf8Error.html#examples

🔬 This is a nightly-only experimental API. (io)

the semantics of a partial read/write of where errors happen is currently unclear and may change

Transforms this Read instance to an [Iterator] over [char]s.

Important traits for Chain<T, U>

impl<T, U> Read for Chain<T, U> where
    T: Read,
    U: Read, 

fn chain<R>(self, next: R) -> Chain<Self, R> where     R: Read,

Creates an adaptor which will chain this stream with another.

Important traits for Take<T>

impl<T> Read for Take<T> where
    T: Read, 

fn take(self, limit: u64) -> Take<Self>

Creates an adaptor which will read at most limit bytes from it.

impl<'data> Write for Data<'data>

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

Write a buffer into this object, returning how many bytes were written.

fn flush(&mut self) -> Result<()>

Flush this output stream, ensuring that all intermediately buffered contents reach their destination.

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

Attempts to write an entire buffer into this write.

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

Writes a formatted string into this writer, returning any error encountered.

Important traits for &'a mut R

impl<'a, R> Read for &'a mut R where
    R: Read + ?Sized, impl<'a, W> Write for &'a mut W where
    W: Write + ?Sized, impl<'a, I> Iterator for &'a mut I where
    I: Iterator + ?Sized,  type Item = <I as Iterator>::Item;

fn by_ref(&mut self) -> &mut Self

Creates a "by reference" adaptor for this instance of Write.

impl<'data> Seek for Data<'data>

fn seek(&mut self, pos: SeekFrom) -> Result<u64>

Seek to an offset, in bytes, in a stream.

impl<'a, 'b> IntoData<'a> for &'b mut Data<'a>

type Output = Self

fn into_data(self) -> Result<Self>

impl<'a> IntoData<'a> for Data<'a>

type Output = Self

fn into_data(self) -> Result<Self>