glibmm: Gio::DataOutputStream Class Reference
An implementation of BufferedOutputStream that allows for high-level data manipulation of arbitrary data (including binary operations). More...
#include <giomm/dataoutputstream.h>

Public Member Functions |
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DataOutputStream ( DataOutputStream && src) noexcept | |
DataOutputStream & | operator= ( DataOutputStream && src) noexcept |
~DataOutputStream () noexceptoverride | |
GDataOutputStream* | gobj () |
Provides access to the underlying C GObject.
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const GDataOutputStream* | gobj () const |
Provides access to the underlying C GObject.
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GDataOutputStream* | gobj_copy () |
Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs.
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void | set_byte_order ( DataStreamByteOrder order) |
Sets the byte order of the data output stream to
order
.
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DataStreamByteOrder | get_byte_order () const |
Gets the byte order for the stream.
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bool | put_byte (guchar data, const Glib::RefPtr < Cancellable >& cancellable) |
Puts a byte into the output stream.
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bool | put_byte (guchar data) |
A
put_byte()
convenience overload.
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bool | put_int16 (gint16 data, const Glib::RefPtr < Cancellable >& cancellable) |
Puts a signed 16-bit integer into the output stream.
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bool | put_int16 (gint16 data) |
A
put_int16()
convenience overload.
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bool | put_uint16 (guint16 data, const Glib::RefPtr < Cancellable >& cancellable) |
Puts an unsigned 16-bit integer into the output stream.
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bool | put_uint16 (guint16 data) |
A
put_uint16()
convenience overload.
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bool | put_int32 (gint32 data, const Glib::RefPtr < Cancellable >& cancellable) |
Puts a signed 32-bit integer into the output stream.
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bool | put_int32 (gint32 data) |
A
put_int32()
convenience overload.
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bool | put_uint32 (guint32 data, const Glib::RefPtr < Cancellable >& cancellable) |
Puts an unsigned 32-bit integer into the stream.
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bool | put_uint32 (guint32 data) |
A
put_uint32()
convenience overload.
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bool | put_int64 (gint64 data, const Glib::RefPtr < Cancellable >& cancellable) |
Puts a signed 64-bit integer into the stream.
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bool | put_int64 (gint64 data) |
A
put_int64()
convenience overload.
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bool | put_uint64 (guint64 data, const Glib::RefPtr < Cancellable >& cancellable) |
Puts an unsigned 64-bit integer into the stream.
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bool | put_uint64 (guint64 data) |
A
put_uint64()
convenience overload.
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bool | put_string ( std::string str, const Glib::RefPtr < Cancellable >& cancellable) |
Puts a string into the output stream.
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bool | put_string ( std::string str) |
A
put_string()
convenience overload.
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Glib::PropertyProxy < DataStreamByteOrder > | property_byte_order () |
Determines the byte ordering that is used when writing multi-byte entities (such as integers) to the stream.
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Glib::PropertyProxy_ReadOnly < DataStreamByteOrder > | property_byte_order () const |
Determines the byte ordering that is used when writing multi-byte entities (such as integers) to the stream.
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BufferedOutputStream ( BufferedOutputStream && src) noexcept | |
BufferedOutputStream & | operator= ( BufferedOutputStream && src) noexcept |
~BufferedOutputStream () noexceptoverride | |
GBufferedOutputStream* | gobj () |
Provides access to the underlying C GObject.
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const GBufferedOutputStream* | gobj () const |
Provides access to the underlying C GObject.
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GBufferedOutputStream* | gobj_copy () |
Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs.
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gsize | get_buffer_size () const |
Gets the size of the buffer in the
stream
.
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void | set_buffer_size (gsize size ) |
Sets the size of the internal buffer to
size
.
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void | set_auto_grow (bool auto_grow=true) |
Sets whether or not the
stream's
buffer should automatically grow.
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bool | get_auto_grow () const |
Checks if the buffer automatically grows as data is added.
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Glib::PropertyProxy < guint > | property_buffer_size () |
The size of the backend buffer.
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Glib::PropertyProxy_ReadOnly < guint > | property_buffer_size () const |
The size of the backend buffer.
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Glib::PropertyProxy < bool > | property_auto_grow () |
Whether the buffer should automatically grow.
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Glib::PropertyProxy_ReadOnly < bool > | property_auto_grow () const |
Whether the buffer should automatically grow.
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FilterOutputStream ( FilterOutputStream && src) noexcept | |
FilterOutputStream & | operator= ( FilterOutputStream && src) noexcept |
~FilterOutputStream () noexceptoverride | |
GFilterOutputStream* | gobj () |
Provides access to the underlying C GObject.
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const GFilterOutputStream* | gobj () const |
Provides access to the underlying C GObject.
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GFilterOutputStream* | gobj_copy () |
Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs.
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Glib::RefPtr < OutputStream > | get_base_stream () |
Gets the base stream for the filter stream.
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Glib::RefPtr < const OutputStream > | get_base_stream () const |
Gets the base stream for the filter stream.
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bool | get_close_base_stream () const |
Returns whether the base stream will be closed when
stream
is closed.
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void | set_close_base_stream (bool close_base=true) |
Sets whether the base stream will be closed when
stream
is closed.
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Glib::PropertyProxy_ReadOnly < Glib::RefPtr < InputStream > > | property_base_stream () const |
The underlying base stream on which the io ops will be done.
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Glib::PropertyProxy_ReadOnly < bool > | property_close_base_stream () const |
If the base stream should be closed when the filter stream is closed.
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OutputStream ( OutputStream && src) noexcept | |
OutputStream & | operator= ( OutputStream && src) noexcept |
~OutputStream () noexceptoverride | |
GOutputStream* | gobj () |
Provides access to the underlying C GObject.
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const GOutputStream* | gobj () const |
Provides access to the underlying C GObject.
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GOutputStream* | gobj_copy () |
Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs.
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gssize | write (const void* buffer, gsize count , const Glib::RefPtr < Cancellable >& cancellable) |
Tries to write
count
bytes from
buffer
into the stream.
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gssize | write (const void* buffer, gsize count ) |
A
write()
convenience overload.
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gssize | write (const std::string & buffer, const Glib::RefPtr < Cancellable >& cancellable) |
Tries to write
count
bytes from
buffer
into the stream.
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gssize | write (const std::string & buffer) |
Tries to write
count
bytes from
buffer
into the stream.
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bool | write_all (const void* buffer, gsize count , gsize& bytes_written, const Glib::RefPtr < Cancellable >& cancellable) |
Tries to write
count
bytes from
buffer
into the stream.
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bool | write_all (const void* buffer, gsize count , gsize& bytes_written) |
A
write_all()
convenience overload.
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bool | write_all (const std::string & buffer, gsize& bytes_written, const Glib::RefPtr < Cancellable >& cancellable) |
Tries to write
count
bytes from
buffer
into the stream.
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bool | write_all (const std::string & buffer, gsize& bytes_written) |
Tries to write
count
bytes from
buffer
into the stream.
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gssize | write_bytes (const Glib::RefPtr < const Glib::Bytes >& bytes, const Glib::RefPtr < Cancellable >& cancellable) |
A wrapper function for g_output_stream_write() which takes a Bytes as input.
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gssize | write_bytes (const Glib::RefPtr < const Glib::Bytes >& bytes) |
A
write_bytes()
convenience overload.
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void | write_bytes_async (const Glib::RefPtr < const Glib::Bytes >& bytes, const SlotAsyncReady & slot, const Glib::RefPtr < Cancellable >& cancellable, int io_priority= Glib::PRIORITY_DEFAULT ) |
Request an asynchronous write of the data in
bytes
to the stream.
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void | write_bytes_async (const Glib::RefPtr < const Glib::Bytes >& bytes, const SlotAsyncReady & slot, int io_priority= Glib::PRIORITY_DEFAULT ) |
Request an asynchronous write of the data in
bytes
to the stream.
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gssize | write_bytes_finish (const Glib::RefPtr < AsyncResult >& result) |
Finishes a stream write-from-Bytes operation.
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gssize | splice (const Glib::RefPtr < InputStream >& source, const Glib::RefPtr < Cancellable >& cancellable, OutputStreamSpliceFlags flags= OUTPUT_STREAM_SPLICE_NONE ) |
Splices an input stream into an output stream.
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gssize | splice (const Glib::RefPtr < InputStream >& source, OutputStreamSpliceFlags flags= OUTPUT_STREAM_SPLICE_NONE ) |
Splices an input stream into an output stream.
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bool | flush (const Glib::RefPtr < Cancellable >& cancellable) |
Flushed any outstanding buffers in the stream.
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bool | flush () |
A
flush()
convenience overload.
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bool | close (const Glib::RefPtr < Cancellable >& cancellable) |
Closes the stream, releasing resources related to it.
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bool | close () |
A
close()
convenience overload.
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void | write_async (const void* buffer, gsize count , const SlotAsyncReady & slot, const Glib::RefPtr < Cancellable >& cancellable, int io_priority= Glib::PRIORITY_DEFAULT ) |
Request an asynchronous write of
count
bytes from
buffer
into the stream.
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void | write_async (const void* buffer, gsize count , const SlotAsyncReady & slot, int io_priority= Glib::PRIORITY_DEFAULT ) |
Request an asynchronous write of
count
bytes from
buffer
into the stream.
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gssize | write_finish (const Glib::RefPtr < AsyncResult >& result) |
Finishes a stream write operation.
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void | write_all_async (const void* buffer, gsize count , const SlotAsyncReady & slot, const Glib::RefPtr < Cancellable >& cancellable, int io_priority= Glib::PRIORITY_DEFAULT ) |
Request an asynchronous write of
count
bytes from
buffer
into the stream.
More...
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void | write_all_async (const void* buffer, gsize count , const SlotAsyncReady & slot, int io_priority= Glib::PRIORITY_DEFAULT ) |
Request an asynchronous write of
count
bytes from
buffer
into the stream.
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bool | write_all_finish (const Glib::RefPtr < AsyncResult >& result, gsize& bytes_written) |
Finishes an asynchronous stream write operation started with g_output_stream_write_all_async().
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void | splice_async (const Glib::RefPtr < InputStream >& source, const SlotAsyncReady & slot, const Glib::RefPtr < Cancellable >& cancellable, OutputStreamSpliceFlags flags= OUTPUT_STREAM_SPLICE_NONE , int io_priority= Glib::PRIORITY_DEFAULT ) |
Splices a stream asynchronously.
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void | splice_async (const Glib::RefPtr < InputStream >& source, const SlotAsyncReady & slot, OutputStreamSpliceFlags flags= OUTPUT_STREAM_SPLICE_NONE , int io_priority= Glib::PRIORITY_DEFAULT ) |
Splices a stream asynchronously.
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gssize | splice_finish (const Glib::RefPtr < AsyncResult >& result) |
Finishes an asynchronous stream splice operation.
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void | flush_async (const SlotAsyncReady & slot, const Glib::RefPtr < Cancellable >& cancellable, int io_priority= Glib::PRIORITY_DEFAULT ) |
Flushes a stream asynchronously.
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void | flush_async (const SlotAsyncReady & slot, int io_priority= Glib::PRIORITY_DEFAULT ) |
Flushes a stream asynchronously.
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bool | flush_finish (const Glib::RefPtr < AsyncResult >& result) |
Finishes flushing an output stream.
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void | close_async (const SlotAsyncReady & slot, const Glib::RefPtr < Cancellable >& cancellable, int io_priority= Glib::PRIORITY_DEFAULT ) |
Requests an asynchronous close of the stream, releasing resources related to it.
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void | close_async (const SlotAsyncReady & slot, int io_priority= Glib::PRIORITY_DEFAULT ) |
Requests an asynchronous close of the stream, releasing resources related to it.
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bool | close_finish (const Glib::RefPtr < AsyncResult >& result) |
Closes an output stream.
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Object (const Object &)=delete | |
Object & | operator= (const Object &)=delete |
Object ( Object && src) noexcept | |
Object & | operator= ( Object && src) noexcept |
void* | get_data (const QueryQuark & key) |
void | set_data (const Quark & key, void* data) |
void | set_data (const Quark & key, void* data, DestroyNotify notify) |
void | remove_data (const QueryQuark & quark) |
void* | steal_data (const QueryQuark & quark) |
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ObjectBase (const ObjectBase &)=delete | |
ObjectBase & | operator= (const ObjectBase &)=delete |
void | set_property_value (const Glib::ustring & property_name, const Glib::ValueBase & value) |
You probably want to use a specific property_*() accessor method instead.
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void | get_property_value (const Glib::ustring & property_name, Glib::ValueBase & value) const |
You probably want to use a specific property_*() accessor method instead.
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template<class PropertyType > | |
void | set_property (const Glib::ustring & property_name, const PropertyType& value) |
You probably want to use a specific property_*() accessor method instead.
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template<class PropertyType > | |
void | get_property (const Glib::ustring & property_name, PropertyType& value) const |
You probably want to use a specific property_*() accessor method instead.
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void | connect_property_changed (const Glib::ustring & property_name, const sigc::slot < void >& slot) |
You can use the signal_changed() signal of the property proxy instead.
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void | connect_property_changed (const Glib::ustring & property_name, sigc::slot < void >&& slot) |
You can use the signal_changed() signal of the property proxy instead.
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sigc::connection | connect_property_changed_with_return (const Glib::ustring & property_name, const sigc::slot < void >& slot) |
You can use the signal_changed() signal of the property proxy instead.
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sigc::connection | connect_property_changed_with_return (const Glib::ustring & property_name, sigc::slot < void >&& slot) |
You can use the signal_changed() signal of the property proxy instead.
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void | freeze_notify () |
Increases the freeze count on object.
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void | thaw_notify () |
Reverts the effect of a previous call to
freeze_notify()
.
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virtual void | reference () const |
Increment the reference count for this object.
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virtual void | unreference () const |
Decrement the reference count for this object.
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GObject* | gobj () |
Provides access to the underlying C GObject.
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const GObject* | gobj () const |
Provides access to the underlying C GObject.
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GObject* | gobj_copy () const |
Give a ref-ed copy to someone. Use for direct struct access.
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trackable () noexcept | |
trackable (const trackable &src) noexcept | |
trackable ( trackable &&src) | |
~trackable () | |
void | add_destroy_notify_callback (void *data, func_destroy_notify func) const |
void | notify_callbacks () |
trackable & | operator= (const trackable &src) |
trackable & | operator= ( trackable &&src) |
void | remove_destroy_notify_callback (void *data) const |
Static Public Member Functions |
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static GType | get_type () |
Get the GType for this class, for use with the underlying GObject type system.
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static Glib::RefPtr < DataOutputStream > | create (const Glib::RefPtr < OutputStream >& base_stream) |
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static GType | get_type () |
Get the GType for this class, for use with the underlying GObject type system.
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static Glib::RefPtr < BufferedOutputStream > | create (const Glib::RefPtr < OutputStream >& base_stream) |
Creates a new buffered output stream for a base stream.
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static Glib::RefPtr < BufferedOutputStream > | create_sized (const Glib::RefPtr < OutputStream >& base_stream, gsize buffer_size) |
Creates a new buffered output stream with a given buffer size.
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static GType | get_type () |
Get the GType for this class, for use with the underlying GObject type system.
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static GType | get_type () |
Get the GType for this class, for use with the underlying GObject type system.
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Protected Member Functions |
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DataOutputStream (const Glib::RefPtr < OutputStream >& base_stream) | |
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BufferedOutputStream (const Glib::RefPtr < OutputStream >& base_stream) | |
BufferedOutputStream (const Glib::RefPtr < OutputStream >& base_stream, gsize buffer_size) | |
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Object () | |
Object (const Glib::ConstructParams& construct_params) | |
Object (GObject* castitem) | |
~Object () noexceptoverride | |
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ObjectBase () | |
This default constructor is called implicitly from the constructor of user-derived classes, even if, for instance, Gtk::Button calls a different
ObjectBase
constructor.
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ObjectBase (const char* custom_type_name) | |
A derived constructor always overrides this choice.
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ObjectBase (const std::type_info & custom_type_info) | |
This constructor is a special feature to allow creation of derived types on the fly, without having to use g_object_new() manually.
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ObjectBase ( ObjectBase && src) noexcept | |
ObjectBase & | operator= ( ObjectBase && src) noexcept |
virtual | ~ObjectBase () noexcept=0 |
void | initialize (GObject* castitem) |
void | initialize_move (GObject* castitem, Glib::ObjectBase * previous_wrapper) |
Related Functions |
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(Note that these are not member functions.) |
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Glib::RefPtr < Gio::DataOutputStream > | wrap (GDataOutputStream* object, bool take_copy=false) |
A
Glib::wrap()
method for this object.
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Glib::RefPtr < Gio::BufferedOutputStream > | wrap (GBufferedOutputStream* object, bool take_copy=false) |
A
Glib::wrap()
method for this object.
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Glib::RefPtr < Gio::FilterOutputStream > | wrap (GFilterOutputStream* object, bool take_copy=false) |
A
Glib::wrap()
method for this object.
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Glib::RefPtr < Gio::OutputStream > | wrap (GOutputStream* object, bool take_copy=false) |
A
Glib::wrap()
method for this object.
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Glib::RefPtr < Glib::Object > | wrap (GObject* object, bool take_copy=false) |
Additional Inherited Members |
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using | DestroyNotify = void(*)(gpointer data) |
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typedef internal::func_destroy_notify | func_destroy_notify |
Detailed Description
An implementation of BufferedOutputStream that allows for high-level data manipulation of arbitrary data (including binary operations).
Constructor & Destructor Documentation
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noexcept |
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override noexcept |
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explicit protected |
Member Function Documentation
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static |
DataStreamByteOrder Gio::DataOutputStream::get_byte_order | ( | ) | const |
Gets the byte order for the stream.
- Returns
- The DataStreamByteOrder for the stream .
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static |
Get the GType for this class, for use with the underlying GObject type system.
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inline |
Provides access to the underlying C GObject.
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inline |
Provides access to the underlying C GObject.
GDataOutputStream* Gio::DataOutputStream::gobj_copy | ( | ) |
Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs.
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noexcept |
Glib::PropertyProxy < DataStreamByteOrder > Gio::DataOutputStream::property_byte_order | ( | ) |
Determines the byte ordering that is used when writing multi-byte entities (such as integers) to the stream.
- Returns
- A PropertyProxy that allows you to get or set the value of the property, or receive notification when the value of the property changes.
Glib::PropertyProxy_ReadOnly < DataStreamByteOrder > Gio::DataOutputStream::property_byte_order | ( | ) | const |
Determines the byte ordering that is used when writing multi-byte entities (such as integers) to the stream.
- Returns
- A PropertyProxy_ReadOnly that allows you to get the value of the property, or receive notification when the value of the property changes.
bool Gio::DataOutputStream::put_byte | ( | guchar | data , |
const Glib::RefPtr < Cancellable >& | cancellable | ||
) |
Puts a byte into the output stream.
- Parameters
-
data A #guchar. cancellable Optional Cancellable object, nullptr
to ignore.
- Returns
-
true
if data was successfully added to the stream .
bool Gio::DataOutputStream::put_byte | ( | guchar | data | ) |
A put_byte() convenience overload.
bool Gio::DataOutputStream::put_int16 | ( | gint16 | data , |
const Glib::RefPtr < Cancellable >& | cancellable | ||
) |
Puts a signed 16-bit integer into the output stream.
- Parameters
-
data A #gint16. cancellable Optional Cancellable object, nullptr
to ignore.
- Returns
-
true
if data was successfully added to the stream .
bool Gio::DataOutputStream::put_int16 | ( | gint16 | data | ) |
A put_int16() convenience overload.
bool Gio::DataOutputStream::put_int32 | ( | gint32 | data , |
const Glib::RefPtr < Cancellable >& | cancellable | ||
) |
Puts a signed 32-bit integer into the output stream.
- Parameters
-
data A #gint32. cancellable Optional Cancellable object, nullptr
to ignore.
- Returns
-
true
if data was successfully added to the stream .
bool Gio::DataOutputStream::put_int32 | ( | gint32 | data | ) |
A put_int32() convenience overload.
bool Gio::DataOutputStream::put_int64 | ( | gint64 | data , |
const Glib::RefPtr < Cancellable >& | cancellable | ||
) |
Puts a signed 64-bit integer into the stream.
- Parameters
-
data A #gint64. cancellable Optional Cancellable object, nullptr
to ignore.
- Returns
-
true
if data was successfully added to the stream .
bool Gio::DataOutputStream::put_int64 | ( | gint64 | data | ) |
A put_int64() convenience overload.
bool Gio::DataOutputStream::put_string | ( | std::string | str , |
const Glib::RefPtr < Cancellable >& | cancellable | ||
) |
Puts a string into the output stream.
- Parameters
-
str A string. cancellable Optional Cancellable object, nullptr
to ignore.
- Returns
-
true
if string was successfully added to the stream .
bool Gio::DataOutputStream::put_string | ( | std::string | str | ) |
A put_string() convenience overload.
bool Gio::DataOutputStream::put_uint16 | ( | guint16 | data , |
const Glib::RefPtr < Cancellable >& | cancellable | ||
) |
Puts an unsigned 16-bit integer into the output stream.
- Parameters
-
data A #guint16. cancellable Optional Cancellable object, nullptr
to ignore.
- Returns
-
true
if data was successfully added to the stream .
bool Gio::DataOutputStream::put_uint16 | ( | guint16 | data | ) |
A put_uint16() convenience overload.
bool Gio::DataOutputStream::put_uint32 | ( | guint32 | data , |
const Glib::RefPtr < Cancellable >& | cancellable | ||
) |
Puts an unsigned 32-bit integer into the stream.
- Parameters
-
data A #guint32. cancellable Optional Cancellable object, nullptr
to ignore.
- Returns
-
true
if data was successfully added to the stream .
bool Gio::DataOutputStream::put_uint32 | ( | guint32 | data | ) |
A put_uint32() convenience overload.
bool Gio::DataOutputStream::put_uint64 | ( | guint64 | data , |
const Glib::RefPtr < Cancellable >& | cancellable | ||
) |
Puts an unsigned 64-bit integer into the stream.
- Parameters
-
data A #guint64. cancellable Optional Cancellable object, nullptr
to ignore.
- Returns
-
true
if data was successfully added to the stream .
bool Gio::DataOutputStream::put_uint64 | ( | guint64 | data | ) |
A put_uint64() convenience overload.
void Gio::DataOutputStream::set_byte_order | ( | DataStreamByteOrder | order | ) |
Sets the byte order of the data output stream to order .
- Parameters
-
order A DataStreamByteOrder.
Friends And Related Function Documentation
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related |
A Glib::wrap() method for this object.
- Parameters
-
object The C instance. take_copy False if the result should take ownership of the C instance. True if it should take a new copy or ref.
- Returns
- A C++ instance that wraps this C instance.