Struct gio::DataOutputStream
source · #[repr(transparent)]pub struct DataOutputStream { /* private fields */ }
Expand description
Data output stream implements OutputStream
and includes functions for
writing data directly to an output stream.
Implements
DataOutputStreamExt
, FilterOutputStreamExt
, OutputStreamExt
, glib::ObjectExt
, SeekableExt
, OutputStreamExtManual
Implementations§
source§impl DataOutputStream
impl DataOutputStream
pub const NONE: Option<&'static DataOutputStream> = None
sourcepub fn new(base_stream: &impl IsA<OutputStream>) -> DataOutputStream
pub fn new(base_stream: &impl IsA<OutputStream>) -> DataOutputStream
sourcepub fn builder() -> DataOutputStreamBuilder
pub fn builder() -> DataOutputStreamBuilder
Creates a new builder-pattern struct instance to construct DataOutputStream
objects.
This method returns an instance of DataOutputStreamBuilder
which can be used to create DataOutputStream
objects.
Trait Implementations§
source§impl Clone for DataOutputStream
impl Clone for DataOutputStream
source§impl Debug for DataOutputStream
impl Debug for DataOutputStream
source§impl Default for DataOutputStream
impl Default for DataOutputStream
source§impl Display for DataOutputStream
impl Display for DataOutputStream
source§impl Hash for DataOutputStream
impl Hash for DataOutputStream
source§impl Ord for DataOutputStream
impl Ord for DataOutputStream
source§impl ParentClassIs for DataOutputStream
impl ParentClassIs for DataOutputStream
type Parent = FilterOutputStream
source§impl<OT: ObjectType> PartialEq<OT> for DataOutputStream
impl<OT: ObjectType> PartialEq<OT> for DataOutputStream
source§impl<OT: ObjectType> PartialOrd<OT> for DataOutputStream
impl<OT: ObjectType> PartialOrd<OT> for DataOutputStream
1.0.0 · source§fn le(&self, other: &Rhs) -> bool
fn le(&self, other: &Rhs) -> bool
This method tests less than or equal to (for
self
and other
) and is used by the <=
operator. Read moresource§impl StaticType for DataOutputStream
impl StaticType for DataOutputStream
source§fn static_type() -> Type
fn static_type() -> Type
Returns the type identifier of
Self
.impl Eq for DataOutputStream
impl IsA<FilterOutputStream> for DataOutputStream
impl IsA<OutputStream> for DataOutputStream
impl IsA<Seekable> for DataOutputStream
Auto Trait Implementations§
impl RefUnwindSafe for DataOutputStream
impl !Send for DataOutputStream
impl !Sync for DataOutputStream
impl Unpin for DataOutputStream
impl UnwindSafe for DataOutputStream
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§impl<T> Cast for Twhere
T: ObjectType,
impl<T> Cast for Twhere T: ObjectType,
source§fn upcast<T>(self) -> Twhere
T: ObjectType,
Self: IsA<T>,
fn upcast<T>(self) -> Twhere T: ObjectType, Self: IsA<T>,
Upcasts an object to a superclass or interface
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fn upcast_ref<T>(&self) -> &Twhere T: ObjectType, Self: IsA<T>,
Upcasts an object to a reference of its superclass or interface
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Tries to downcast to a subclass or interface implementor
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fn dynamic_cast<T>(self) -> Result<T, Self>where T: ObjectType,
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unsafe fn unsafe_cast<T>(self) -> Twhere T: ObjectType,
Casts to
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unsafe fn unsafe_cast_ref<T>(&self) -> &Twhere T: ObjectType,
Casts to
&T
unconditionally. Read moresource§impl<O> DataOutputStreamExt for Owhere
O: IsA<DataOutputStream>,
impl<O> DataOutputStreamExt for Owhere O: IsA<DataOutputStream>,
source§fn byte_order(&self) -> DataStreamByteOrder
fn byte_order(&self) -> DataStreamByteOrder
Gets the byte order for the stream. Read more
source§fn put_byte(
&self,
data: u8,
cancellable: Option<&impl IsA<Cancellable>>
) -> Result<(), Error>
fn put_byte( &self, data: u8, cancellable: Option<&impl IsA<Cancellable>> ) -> Result<(), Error>
Puts a byte into the output stream. Read more
source§fn put_int16(
&self,
data: i16,
cancellable: Option<&impl IsA<Cancellable>>
) -> Result<(), Error>
fn put_int16( &self, data: i16, cancellable: Option<&impl IsA<Cancellable>> ) -> Result<(), Error>
Puts a signed 16-bit integer into the output stream. Read more
source§fn put_int32(
&self,
data: i32,
cancellable: Option<&impl IsA<Cancellable>>
) -> Result<(), Error>
fn put_int32( &self, data: i32, cancellable: Option<&impl IsA<Cancellable>> ) -> Result<(), Error>
Puts a signed 32-bit integer into the output stream. Read more
source§fn put_int64(
&self,
data: i64,
cancellable: Option<&impl IsA<Cancellable>>
) -> Result<(), Error>
fn put_int64( &self, data: i64, cancellable: Option<&impl IsA<Cancellable>> ) -> Result<(), Error>
Puts a signed 64-bit integer into the stream. Read more
source§fn put_string(
&self,
str: &str,
cancellable: Option<&impl IsA<Cancellable>>
) -> Result<(), Error>
fn put_string( &self, str: &str, cancellable: Option<&impl IsA<Cancellable>> ) -> Result<(), Error>
Puts a string into the output stream. Read more
source§fn put_uint16(
&self,
data: u16,
cancellable: Option<&impl IsA<Cancellable>>
) -> Result<(), Error>
fn put_uint16( &self, data: u16, cancellable: Option<&impl IsA<Cancellable>> ) -> Result<(), Error>
Puts an unsigned 16-bit integer into the output stream. Read more
source§fn put_uint32(
&self,
data: u32,
cancellable: Option<&impl IsA<Cancellable>>
) -> Result<(), Error>
fn put_uint32( &self, data: u32, cancellable: Option<&impl IsA<Cancellable>> ) -> Result<(), Error>
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source§fn put_uint64(
&self,
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cancellable: Option<&impl IsA<Cancellable>>
) -> Result<(), Error>
fn put_uint64( &self, data: u64, cancellable: Option<&impl IsA<Cancellable>> ) -> Result<(), Error>
Puts an unsigned 64-bit integer into the stream. Read more
source§fn set_byte_order(&self, order: DataStreamByteOrder)
fn set_byte_order(&self, order: DataStreamByteOrder)
Sets the byte order of the data output stream to
order
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source§impl<O> FilterOutputStreamExt for Owhere
O: IsA<FilterOutputStream>,
impl<O> FilterOutputStreamExt for Owhere O: IsA<FilterOutputStream>,
source§fn base_stream(&self) -> OutputStream
fn base_stream(&self) -> OutputStream
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fn closes_base_stream(&self) -> bool
Returns whether the base stream will be closed when
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fn set_close_base_stream(&self, close_base: bool)
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after: bool,
callback: F
) -> SignalHandlerIdwhere
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signal_id: SignalId,
details: Quark,
args: &[&dyn ToValue]
) -> Rwhere
R: TryFromClosureReturnValue,
fn emit_with_details<R>( &self, signal_id: SignalId, details: Quark, args: &[&dyn ToValue] ) -> Rwhere R: TryFromClosureReturnValue,
Emit signal by signal id with details. Read more
source§fn emit_with_details_and_values(
&self,
signal_id: SignalId,
details: Quark,
args: &[Value]
) -> Option<Value>
fn emit_with_details_and_values( &self, signal_id: SignalId, details: Quark, args: &[Value] ) -> Option<Value>
Emit signal by signal id with details. Read more
source§fn disconnect(&self, handler_id: SignalHandlerId)
fn disconnect(&self, handler_id: SignalHandlerId)
Disconnect a previously connected signal handler.
source§fn connect_notify<F>(&self, name: Option<&str>, f: F) -> SignalHandlerIdwhere
F: Fn(&T, &ParamSpec) + Send + Sync + 'static,
fn connect_notify<F>(&self, name: Option<&str>, f: F) -> SignalHandlerIdwhere F: Fn(&T, &ParamSpec) + Send + Sync + 'static,
Connect to the
notify
signal of the object. Read moresource§fn connect_notify_local<F>(&self, name: Option<&str>, f: F) -> SignalHandlerIdwhere
F: Fn(&T, &ParamSpec) + 'static,
fn connect_notify_local<F>(&self, name: Option<&str>, f: F) -> SignalHandlerIdwhere F: Fn(&T, &ParamSpec) + 'static,
Connect to the
notify
signal of the object. Read moresource§unsafe fn connect_notify_unsafe<F>(
&self,
name: Option<&str>,
f: F
) -> SignalHandlerIdwhere
F: Fn(&T, &ParamSpec),
unsafe fn connect_notify_unsafe<F>( &self, name: Option<&str>, f: F ) -> SignalHandlerIdwhere F: Fn(&T, &ParamSpec),
Connect to the
notify
signal of the object. Read moresource§fn notify(&self, property_name: &str)
fn notify(&self, property_name: &str)
Notify that the given property has changed its value. Read more
source§fn notify_by_pspec(&self, pspec: &ParamSpec)
fn notify_by_pspec(&self, pspec: &ParamSpec)
Notify that the given property has changed its value. Read more
source§fn add_weak_ref_notify<F>(&self, f: F) -> WeakRefNotify<T>where
F: FnOnce() + Send + 'static,
fn add_weak_ref_notify<F>(&self, f: F) -> WeakRefNotify<T>where F: FnOnce() + Send + 'static,
Add a callback to be notified when the Object is disposed.
source§fn add_weak_ref_notify_local<F>(&self, f: F) -> WeakRefNotify<T>where
F: FnOnce() + 'static,
fn add_weak_ref_notify_local<F>(&self, f: F) -> WeakRefNotify<T>where F: FnOnce() + 'static,
Add a callback to be notified when the Object is disposed. Read more
source§fn bind_property<'f, 't, O, 'a>(
&'a self,
source_property: &'a str,
target: &'a O,
target_property: &'a str
) -> BindingBuilder<'a, 'f, 't>where
O: ObjectType,
fn bind_property<'f, 't, O, 'a>( &'a self, source_property: &'a str, target: &'a O, target_property: &'a str ) -> BindingBuilder<'a, 'f, 't>where O: ObjectType,
source§unsafe fn run_dispose(&self)
unsafe fn run_dispose(&self)
Runs the dispose mechanism of the object. Read more
source§impl<O> OutputStreamExt for Owhere
O: IsA<OutputStream>,
impl<O> OutputStreamExt for Owhere O: IsA<OutputStream>,
source§fn clear_pending(&self)
fn clear_pending(&self)
Clears the pending flag on
self
.source§fn close(
&self,
cancellable: Option<&impl IsA<Cancellable>>
) -> Result<(), Error>
fn close( &self, cancellable: Option<&impl IsA<Cancellable>> ) -> Result<(), Error>
Closes the stream, releasing resources related to it. Read more
source§fn close_async<P>(
&self,
io_priority: Priority,
cancellable: Option<&impl IsA<Cancellable>>,
callback: P
)where
P: FnOnce(Result<(), Error>) + 'static,
fn close_async<P>( &self, io_priority: Priority, cancellable: Option<&impl IsA<Cancellable>>, callback: P )where P: FnOnce(Result<(), Error>) + 'static,
Requests an asynchronous close of the stream, releasing resources
related to it. When the operation is finished
callback
will be
called. You can then call g_output_stream_close_finish()
to get
the result of the operation. Read morefn close_future( &self, io_priority: Priority ) -> Pin<Box<dyn Future<Output = Result<(), Error>> + 'static, Global>>
source§fn flush(
&self,
cancellable: Option<&impl IsA<Cancellable>>
) -> Result<(), Error>
fn flush( &self, cancellable: Option<&impl IsA<Cancellable>> ) -> Result<(), Error>
Forces a write of all user-space buffered data for the given
self
. Will block during the operation. Closing the stream will
implicitly cause a flush. Read moresource§fn flush_async<P>(
&self,
io_priority: Priority,
cancellable: Option<&impl IsA<Cancellable>>,
callback: P
)where
P: FnOnce(Result<(), Error>) + 'static,
fn flush_async<P>( &self, io_priority: Priority, cancellable: Option<&impl IsA<Cancellable>>, callback: P )where P: FnOnce(Result<(), Error>) + 'static,
fn flush_future( &self, io_priority: Priority ) -> Pin<Box<dyn Future<Output = Result<(), Error>> + 'static, Global>>
source§fn has_pending(&self) -> bool
fn has_pending(&self) -> bool
Checks if an output stream has pending actions. Read more
source§fn is_closing(&self) -> bool
fn is_closing(&self) -> bool
Checks if an output stream is being closed. This can be
used inside e.g. a flush implementation to see if the
flush (or other i/o operation) is called from within
the closing operation. Read more
source§fn splice(
&self,
source: &impl IsA<InputStream>,
flags: OutputStreamSpliceFlags,
cancellable: Option<&impl IsA<Cancellable>>
) -> Result<isize, Error>
fn splice( &self, source: &impl IsA<InputStream>, flags: OutputStreamSpliceFlags, cancellable: Option<&impl IsA<Cancellable>> ) -> Result<isize, Error>
Splices an input stream into an output stream. Read more
source§fn splice_async<P>(
&self,
source: &impl IsA<InputStream>,
flags: OutputStreamSpliceFlags,
io_priority: Priority,
cancellable: Option<&impl IsA<Cancellable>>,
callback: P
)where
P: FnOnce(Result<isize, Error>) + 'static,
fn splice_async<P>( &self, source: &impl IsA<InputStream>, flags: OutputStreamSpliceFlags, io_priority: Priority, cancellable: Option<&impl IsA<Cancellable>>, callback: P )where P: FnOnce(Result<isize, Error>) + 'static,
Splices a stream asynchronously.
When the operation is finished
callback
will be called.
You can then call g_output_stream_splice_finish()
to get the
result of the operation. Read morefn splice_future( &self, source: &impl IsA<InputStream> + Clone + 'static, flags: OutputStreamSpliceFlags, io_priority: Priority ) -> Pin<Box<dyn Future<Output = Result<isize, Error>> + 'static, Global>>
source§fn write(
&self,
buffer: &[u8],
cancellable: Option<&impl IsA<Cancellable>>
) -> Result<isize, Error>
fn write( &self, buffer: &[u8], cancellable: Option<&impl IsA<Cancellable>> ) -> Result<isize, Error>
source§fn write_bytes(
&self,
bytes: &Bytes,
cancellable: Option<&impl IsA<Cancellable>>
) -> Result<isize, Error>
fn write_bytes( &self, bytes: &Bytes, cancellable: Option<&impl IsA<Cancellable>> ) -> Result<isize, Error>
A wrapper function for
write()
which takes a
glib::Bytes
as input. This can be more convenient for use by language
bindings or in other cases where the refcounted nature of glib::Bytes
is helpful over a bare pointer interface. Read moresource§fn write_bytes_async<P>(
&self,
bytes: &Bytes,
io_priority: Priority,
cancellable: Option<&impl IsA<Cancellable>>,
callback: P
)where
P: FnOnce(Result<isize, Error>) + 'static,
fn write_bytes_async<P>( &self, bytes: &Bytes, io_priority: Priority, cancellable: Option<&impl IsA<Cancellable>>, callback: P )where P: FnOnce(Result<isize, Error>) + 'static,
This function is similar to
OutputStreamExtManual::write_async()
, but
takes a glib::Bytes
as input. Due to the refcounted nature of glib::Bytes
,
this allows the stream to avoid taking a copy of the data. Read morefn write_bytes_future( &self, bytes: &Bytes, io_priority: Priority ) -> Pin<Box<dyn Future<Output = Result<isize, Error>> + 'static, Global>>
source§impl<O> OutputStreamExtManual for Owhere
O: IsA<OutputStream>,
impl<O> OutputStreamExtManual for Owhere O: IsA<OutputStream>,
source§fn write_async<B, Q, C>(
&self,
buffer: B,
io_priority: Priority,
cancellable: Option<&C>,
callback: Q
)where
B: AsRef<[u8]> + Send + 'static,
Q: FnOnce(Result<(B, usize), (B, Error)>) + 'static,
C: IsA<Cancellable>,
fn write_async<B, Q, C>( &self, buffer: B, io_priority: Priority, cancellable: Option<&C>, callback: Q )where B: AsRef<[u8]> + Send + 'static, Q: FnOnce(Result<(B, usize), (B, Error)>) + 'static, C: IsA<Cancellable>,
Request an asynchronous write of
count
bytes from buffer
into
the stream. When the operation is finished callback
will be called.
You can then call g_output_stream_write_finish()
to get the result of the
operation. Read moresource§fn write_all<C>(
&self,
buffer: &[u8],
cancellable: Option<&C>
) -> Result<(usize, Option<Error>), Error>where
C: IsA<Cancellable>,
fn write_all<C>( &self, buffer: &[u8], cancellable: Option<&C> ) -> Result<(usize, Option<Error>), Error>where C: IsA<Cancellable>,
source§fn write_all_async<B, Q, C>(
&self,
buffer: B,
io_priority: Priority,
cancellable: Option<&C>,
callback: Q
)where
B: AsRef<[u8]> + Send + 'static,
Q: FnOnce(Result<(B, usize, Option<Error>), (B, Error)>) + 'static,
C: IsA<Cancellable>,
fn write_all_async<B, Q, C>( &self, buffer: B, io_priority: Priority, cancellable: Option<&C>, callback: Q )where B: AsRef<[u8]> + Send + 'static, Q: FnOnce(Result<(B, usize, Option<Error>), (B, Error)>) + 'static, C: IsA<Cancellable>,
Request an asynchronous write of
count
bytes from buffer
into
the stream. When the operation is finished callback
will be called.
You can then call g_output_stream_write_all_finish()
to get the result of the
operation. Read morefn write_future<B, 'a>( &self, buffer: B, io_priority: Priority ) -> Pin<Box<dyn Future<Output = Result<(B, usize), (B, Error)>> + 'static, Global>>where B: AsRef<[u8]> + Send + 'static,
fn write_all_future<B, 'a>( &self, buffer: B, io_priority: Priority ) -> Pin<Box<dyn Future<Output = Result<(B, usize, Option<Error>), (B, Error)>> + 'static, Global>>where B: AsRef<[u8]> + Send + 'static,
fn into_write(self) -> OutputStreamWrite<Self> ⓘwhere Self: IsA<OutputStream>,
source§impl<O> SeekableExt for Owhere
O: IsA<Seekable>,
impl<O> SeekableExt for Owhere O: IsA<Seekable>,
source§fn can_truncate(&self) -> bool
fn can_truncate(&self) -> bool
Tests if the length of the stream can be adjusted with
truncate()
. Read moresource§fn seek(
&self,
offset: i64,
type_: SeekType,
cancellable: Option<&impl IsA<Cancellable>>
) -> Result<(), Error>
fn seek( &self, offset: i64, type_: SeekType, cancellable: Option<&impl IsA<Cancellable>> ) -> Result<(), Error>
source§fn truncate(
&self,
offset: i64,
cancellable: Option<&impl IsA<Cancellable>>
) -> Result<(), Error>
fn truncate( &self, offset: i64, cancellable: Option<&impl IsA<Cancellable>> ) -> Result<(), Error>
Sets the length of the stream to
offset
. If the stream was previously
larger than offset
, the extra data is discarded. If the stream was
previously shorter than offset
, it is extended with NUL (‘\0’) bytes. Read moresource§impl<T> StaticTypeExt for Twhere
T: StaticType,
impl<T> StaticTypeExt for Twhere T: StaticType,
source§fn ensure_type()
fn ensure_type()
Ensures that the type has been registered with the type system.