/usr/include/d/gtkd-3/gio/OutputStream.d is in libgtkd-3-dev 3.7.5-2build1.
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* This file is part of gtkD.
*
* gtkD is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 3
* of the License, or (at your option) any later version, with
* some exceptions, please read the COPYING file.
*
* gtkD is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with gtkD; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA
*/
// generated automatically - do not change
// find conversion definition on APILookup.txt
// implement new conversion functionalities on the wrap.utils pakage
module gio.OutputStream;
private import gio.AsyncResultIF;
private import gio.Cancellable;
private import gio.InputStream;
private import gio.c.functions;
public import gio.c.types;
private import glib.Bytes;
private import glib.ErrorG;
private import glib.GException;
private import glib.Str;
private import gobject.ObjectG;
public import gtkc.giotypes;
/**
* #GOutputStream has functions to write to a stream (g_output_stream_write()),
* to close a stream (g_output_stream_close()) and to flush pending writes
* (g_output_stream_flush()).
*
* To copy the content of an input stream to an output stream without
* manually handling the reads and writes, use g_output_stream_splice().
*
* See the documentation for #GIOStream for details of thread safety of
* streaming APIs.
*
* All of these functions have async variants too.
*/
public class OutputStream : ObjectG
{
/** the main Gtk struct */
protected GOutputStream* gOutputStream;
/** Get the main Gtk struct */
public GOutputStream* getOutputStreamStruct(bool transferOwnership = false)
{
if (transferOwnership)
ownedRef = false;
return gOutputStream;
}
/** the main Gtk struct as a void* */
protected override void* getStruct()
{
return cast(void*)gOutputStream;
}
protected override void setStruct(GObject* obj)
{
gOutputStream = cast(GOutputStream*)obj;
super.setStruct(obj);
}
/**
* Sets our main struct and passes it to the parent class.
*/
public this (GOutputStream* gOutputStream, bool ownedRef = false)
{
this.gOutputStream = gOutputStream;
super(cast(GObject*)gOutputStream, ownedRef);
}
/** */
public static GType getType()
{
return g_output_stream_get_type();
}
/**
* Clears the pending flag on @stream.
*/
public void clearPending()
{
g_output_stream_clear_pending(gOutputStream);
}
/**
* Closes the stream, releasing resources related to it.
*
* Once the stream is closed, all other operations will return %G_IO_ERROR_CLOSED.
* Closing a stream multiple times will not return an error.
*
* Closing a stream will automatically flush any outstanding buffers in the
* stream.
*
* Streams will be automatically closed when the last reference
* is dropped, but you might want to call this function to make sure
* resources are released as early as possible.
*
* Some streams might keep the backing store of the stream (e.g. a file descriptor)
* open after the stream is closed. See the documentation for the individual
* stream for details.
*
* On failure the first error that happened will be reported, but the close
* operation will finish as much as possible. A stream that failed to
* close will still return %G_IO_ERROR_CLOSED for all operations. Still, it
* is important to check and report the error to the user, otherwise
* there might be a loss of data as all data might not be written.
*
* If @cancellable is not %NULL, then the operation can be cancelled by
* triggering the cancellable object from another thread. If the operation
* was cancelled, the error %G_IO_ERROR_CANCELLED will be returned.
* Cancelling a close will still leave the stream closed, but there some streams
* can use a faster close that doesn't block to e.g. check errors. On
* cancellation (as with any error) there is no guarantee that all written
* data will reach the target.
*
* Params:
* cancellable = optional cancellable object
*
* Returns: %TRUE on success, %FALSE on failure
*
* Throws: GException on failure.
*/
public bool close(Cancellable cancellable)
{
GError* err = null;
auto p = g_output_stream_close(gOutputStream, (cancellable is null) ? null : cancellable.getCancellableStruct(), &err) != 0;
if (err !is null)
{
throw new GException( new ErrorG(err) );
}
return p;
}
/**
* 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.
*
* For behaviour details see g_output_stream_close().
*
* The asynchronous methods have a default fallback that uses threads
* to implement asynchronicity, so they are optional for inheriting
* classes. However, if you override one you must override all.
*
* Params:
* ioPriority = the io priority of the request.
* cancellable = optional cancellable object
* callback = callback to call when the request is satisfied
* userData = the data to pass to callback function
*/
public void closeAsync(int ioPriority, Cancellable cancellable, GAsyncReadyCallback callback, void* userData)
{
g_output_stream_close_async(gOutputStream, ioPriority, (cancellable is null) ? null : cancellable.getCancellableStruct(), callback, userData);
}
/**
* Closes an output stream.
*
* Params:
* result = a #GAsyncResult.
*
* Returns: %TRUE if stream was successfully closed, %FALSE otherwise.
*
* Throws: GException on failure.
*/
public bool closeFinish(AsyncResultIF result)
{
GError* err = null;
auto p = g_output_stream_close_finish(gOutputStream, (result is null) ? null : result.getAsyncResultStruct(), &err) != 0;
if (err !is null)
{
throw new GException( new ErrorG(err) );
}
return p;
}
/**
* Forces a write of all user-space buffered data for the given
* @stream. Will block during the operation. Closing the stream will
* implicitly cause a flush.
*
* This function is optional for inherited classes.
*
* If @cancellable is not %NULL, then the operation can be cancelled by
* triggering the cancellable object from another thread. If the operation
* was cancelled, the error %G_IO_ERROR_CANCELLED will be returned.
*
* Params:
* cancellable = optional cancellable object
*
* Returns: %TRUE on success, %FALSE on error
*
* Throws: GException on failure.
*/
public bool flush(Cancellable cancellable)
{
GError* err = null;
auto p = g_output_stream_flush(gOutputStream, (cancellable is null) ? null : cancellable.getCancellableStruct(), &err) != 0;
if (err !is null)
{
throw new GException( new ErrorG(err) );
}
return p;
}
/**
* Forces an asynchronous write of all user-space buffered data for
* the given @stream.
* For behaviour details see g_output_stream_flush().
*
* When the operation is finished @callback will be
* called. You can then call g_output_stream_flush_finish() to get the
* result of the operation.
*
* Params:
* ioPriority = the io priority of the request.
* cancellable = optional #GCancellable object, %NULL to ignore.
* callback = a #GAsyncReadyCallback to call when the request is satisfied
* userData = the data to pass to callback function
*/
public void flushAsync(int ioPriority, Cancellable cancellable, GAsyncReadyCallback callback, void* userData)
{
g_output_stream_flush_async(gOutputStream, ioPriority, (cancellable is null) ? null : cancellable.getCancellableStruct(), callback, userData);
}
/**
* Finishes flushing an output stream.
*
* Params:
* result = a GAsyncResult.
*
* Returns: %TRUE if flush operation succeeded, %FALSE otherwise.
*
* Throws: GException on failure.
*/
public bool flushFinish(AsyncResultIF result)
{
GError* err = null;
auto p = g_output_stream_flush_finish(gOutputStream, (result is null) ? null : result.getAsyncResultStruct(), &err) != 0;
if (err !is null)
{
throw new GException( new ErrorG(err) );
}
return p;
}
/**
* Checks if an output stream has pending actions.
*
* Returns: %TRUE if @stream has pending actions.
*/
public bool hasPending()
{
return g_output_stream_has_pending(gOutputStream) != 0;
}
/**
* Checks if an output stream has already been closed.
*
* Returns: %TRUE if @stream is closed. %FALSE otherwise.
*/
public bool isClosed()
{
return g_output_stream_is_closed(gOutputStream) != 0;
}
/**
* 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.
*
* Returns: %TRUE if @stream is being closed. %FALSE otherwise.
*
* Since: 2.24
*/
public bool isClosing()
{
return g_output_stream_is_closing(gOutputStream) != 0;
}
/**
* Sets @stream to have actions pending. If the pending flag is
* already set or @stream is closed, it will return %FALSE and set
* @error.
*
* Returns: %TRUE if pending was previously unset and is now set.
*
* Throws: GException on failure.
*/
public bool setPending()
{
GError* err = null;
auto p = g_output_stream_set_pending(gOutputStream, &err) != 0;
if (err !is null)
{
throw new GException( new ErrorG(err) );
}
return p;
}
/**
* Splices an input stream into an output stream.
*
* Params:
* source = a #GInputStream.
* flags = a set of #GOutputStreamSpliceFlags.
* cancellable = optional #GCancellable object, %NULL to ignore.
*
* Returns: a #gssize containing the size of the data spliced, or
* -1 if an error occurred. Note that if the number of bytes
* spliced is greater than %G_MAXSSIZE, then that will be
* returned, and there is no way to determine the actual number
* of bytes spliced.
*
* Throws: GException on failure.
*/
public ptrdiff_t splice(InputStream source, GOutputStreamSpliceFlags flags, Cancellable cancellable)
{
GError* err = null;
auto p = g_output_stream_splice(gOutputStream, (source is null) ? null : source.getInputStreamStruct(), flags, (cancellable is null) ? null : cancellable.getCancellableStruct(), &err);
if (err !is null)
{
throw new GException( new ErrorG(err) );
}
return p;
}
/**
* 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.
*
* For the synchronous, blocking version of this function, see
* g_output_stream_splice().
*
* Params:
* source = a #GInputStream.
* flags = a set of #GOutputStreamSpliceFlags.
* ioPriority = the io priority of the request.
* cancellable = optional #GCancellable object, %NULL to ignore.
* callback = a #GAsyncReadyCallback.
* userData = user data passed to @callback.
*/
public void spliceAsync(InputStream source, GOutputStreamSpliceFlags flags, int ioPriority, Cancellable cancellable, GAsyncReadyCallback callback, void* userData)
{
g_output_stream_splice_async(gOutputStream, (source is null) ? null : source.getInputStreamStruct(), flags, ioPriority, (cancellable is null) ? null : cancellable.getCancellableStruct(), callback, userData);
}
/**
* Finishes an asynchronous stream splice operation.
*
* Params:
* result = a #GAsyncResult.
*
* Returns: a #gssize of the number of bytes spliced. Note that if the
* number of bytes spliced is greater than %G_MAXSSIZE, then that
* will be returned, and there is no way to determine the actual
* number of bytes spliced.
*
* Throws: GException on failure.
*/
public ptrdiff_t spliceFinish(AsyncResultIF result)
{
GError* err = null;
auto p = g_output_stream_splice_finish(gOutputStream, (result is null) ? null : result.getAsyncResultStruct(), &err);
if (err !is null)
{
throw new GException( new ErrorG(err) );
}
return p;
}
/**
* This is a utility function around g_output_stream_write_all(). It
* uses g_strdup_vprintf() to turn @format and @args into a string that
* is then written to @stream.
*
* See the documentation of g_output_stream_write_all() about the
* behavior of the actual write operation.
*
* Note that partial writes cannot be properly checked with this
* function due to the variable length of the written string, if you
* need precise control over partial write failures, you need to
* create you own printf()-like wrapper around g_output_stream_write()
* or g_output_stream_write_all().
*
* Params:
* bytesWritten = location to store the number of bytes that was
* written to the stream
* cancellable = optional #GCancellable object, %NULL to ignore.
* error = location to store the error occurring, or %NULL to ignore
* format = the format string. See the printf() documentation
* args = the parameters to insert into the format string
*
* Returns: %TRUE on success, %FALSE if there was an error
*
* Since: 2.40
*/
public bool vprintf(out size_t bytesWritten, Cancellable cancellable, out ErrorG error, string format, void* args)
{
GError* outerror = null;
auto p = g_output_stream_vprintf(gOutputStream, &bytesWritten, (cancellable is null) ? null : cancellable.getCancellableStruct(), &outerror, Str.toStringz(format), args) != 0;
error = new ErrorG(outerror);
return p;
}
/**
* Tries to write @count bytes from @buffer into the stream. Will block
* during the operation.
*
* If count is 0, returns 0 and does nothing. A value of @count
* larger than %G_MAXSSIZE will cause a %G_IO_ERROR_INVALID_ARGUMENT error.
*
* On success, the number of bytes written to the stream is returned.
* It is not an error if this is not the same as the requested size, as it
* can happen e.g. on a partial I/O error, or if there is not enough
* storage in the stream. All writes block until at least one byte
* is written or an error occurs; 0 is never returned (unless
* @count is 0).
*
* If @cancellable is not %NULL, then the operation can be cancelled by
* triggering the cancellable object from another thread. If the operation
* was cancelled, the error %G_IO_ERROR_CANCELLED will be returned. If an
* operation was partially finished when the operation was cancelled the
* partial result will be returned, without an error.
*
* On error -1 is returned and @error is set accordingly.
*
* Params:
* buffer = the buffer containing the data to write.
* cancellable = optional cancellable object
*
* Returns: Number of bytes written, or -1 on error
*
* Throws: GException on failure.
*/
public ptrdiff_t write(ubyte[] buffer, Cancellable cancellable)
{
GError* err = null;
auto p = g_output_stream_write(gOutputStream, buffer.ptr, cast(size_t)buffer.length, (cancellable is null) ? null : cancellable.getCancellableStruct(), &err);
if (err !is null)
{
throw new GException( new ErrorG(err) );
}
return p;
}
/**
* Tries to write @count bytes from @buffer into the stream. Will block
* during the operation.
*
* This function is similar to g_output_stream_write(), except it tries to
* write as many bytes as requested, only stopping on an error.
*
* On a successful write of @count bytes, %TRUE is returned, and @bytes_written
* is set to @count.
*
* If there is an error during the operation %FALSE is returned and @error
* is set to indicate the error status.
*
* As a special exception to the normal conventions for functions that
* use #GError, if this function returns %FALSE (and sets @error) then
* @bytes_written will be set to the number of bytes that were
* successfully written before the error was encountered. This
* functionality is only available from C. If you need it from another
* language then you must write your own loop around
* g_output_stream_write().
*
* Params:
* buffer = the buffer containing the data to write.
* bytesWritten = location to store the number of bytes that was
* written to the stream
* cancellable = optional #GCancellable object, %NULL to ignore.
*
* Returns: %TRUE on success, %FALSE if there was an error
*
* Throws: GException on failure.
*/
public bool writeAll(ubyte[] buffer, out size_t bytesWritten, Cancellable cancellable)
{
GError* err = null;
auto p = g_output_stream_write_all(gOutputStream, buffer.ptr, cast(size_t)buffer.length, &bytesWritten, (cancellable is null) ? null : cancellable.getCancellableStruct(), &err) != 0;
if (err !is null)
{
throw new GException( new ErrorG(err) );
}
return p;
}
/**
* 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.
*
* This is the asynchronous version of g_output_stream_write_all().
*
* Call g_output_stream_write_all_finish() to collect the result.
*
* Any outstanding I/O request with higher priority (lower numerical
* value) will be executed before an outstanding request with lower
* priority. Default priority is %G_PRIORITY_DEFAULT.
*
* Note that no copy of @buffer will be made, so it must stay valid
* until @callback is called.
*
* Params:
* buffer = the buffer containing the data to write
* ioPriority = the io priority of the request
* cancellable = optional #GCancellable object, %NULL to ignore
* callback = callback to call when the request is satisfied
* userData = the data to pass to callback function
*
* Since: 2.44
*/
public void writeAllAsync(ubyte[] buffer, int ioPriority, Cancellable cancellable, GAsyncReadyCallback callback, void* userData)
{
g_output_stream_write_all_async(gOutputStream, buffer.ptr, cast(size_t)buffer.length, ioPriority, (cancellable is null) ? null : cancellable.getCancellableStruct(), callback, userData);
}
/**
* Finishes an asynchronous stream write operation started with
* g_output_stream_write_all_async().
*
* As a special exception to the normal conventions for functions that
* use #GError, if this function returns %FALSE (and sets @error) then
* @bytes_written will be set to the number of bytes that were
* successfully written before the error was encountered. This
* functionality is only available from C. If you need it from another
* language then you must write your own loop around
* g_output_stream_write_async().
*
* Params:
* result = a #GAsyncResult
* bytesWritten = location to store the number of bytes that was written to the stream
*
* Returns: %TRUE on success, %FALSE if there was an error
*
* Since: 2.44
*
* Throws: GException on failure.
*/
public bool writeAllFinish(AsyncResultIF result, out size_t bytesWritten)
{
GError* err = null;
auto p = g_output_stream_write_all_finish(gOutputStream, (result is null) ? null : result.getAsyncResultStruct(), &bytesWritten, &err) != 0;
if (err !is null)
{
throw new GException( new ErrorG(err) );
}
return p;
}
/**
* 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.
*
* During an async request no other sync and async calls are allowed,
* and will result in %G_IO_ERROR_PENDING errors.
*
* A value of @count larger than %G_MAXSSIZE will cause a
* %G_IO_ERROR_INVALID_ARGUMENT error.
*
* On success, the number of bytes written will be passed to the
* @callback. It is not an error if this is not the same as the
* requested size, as it can happen e.g. on a partial I/O error,
* but generally we try to write as many bytes as requested.
*
* You are guaranteed that this method will never fail with
* %G_IO_ERROR_WOULD_BLOCK - if @stream can't accept more data, the
* method will just wait until this changes.
*
* Any outstanding I/O request with higher priority (lower numerical
* value) will be executed before an outstanding request with lower
* priority. Default priority is %G_PRIORITY_DEFAULT.
*
* The asynchronous methods have a default fallback that uses threads
* to implement asynchronicity, so they are optional for inheriting
* classes. However, if you override one you must override all.
*
* For the synchronous, blocking version of this function, see
* g_output_stream_write().
*
* Note that no copy of @buffer will be made, so it must stay valid
* until @callback is called. See g_output_stream_write_bytes_async()
* for a #GBytes version that will automatically hold a reference to
* the contents (without copying) for the duration of the call.
*
* Params:
* buffer = the buffer containing the data to write.
* ioPriority = the io priority of the request.
* cancellable = optional #GCancellable object, %NULL to ignore.
* callback = callback to call when the request is satisfied
* userData = the data to pass to callback function
*/
public void writeAsync(ubyte[] buffer, int ioPriority, Cancellable cancellable, GAsyncReadyCallback callback, void* userData)
{
g_output_stream_write_async(gOutputStream, buffer.ptr, cast(size_t)buffer.length, ioPriority, (cancellable is null) ? null : cancellable.getCancellableStruct(), callback, userData);
}
/**
* A wrapper function for g_output_stream_write() which takes a
* #GBytes as input. This can be more convenient for use by language
* bindings or in other cases where the refcounted nature of #GBytes
* is helpful over a bare pointer interface.
*
* However, note that this function may still perform partial writes,
* just like g_output_stream_write(). If that occurs, to continue
* writing, you will need to create a new #GBytes containing just the
* remaining bytes, using g_bytes_new_from_bytes(). Passing the same
* #GBytes instance multiple times potentially can result in duplicated
* data in the output stream.
*
* Params:
* bytes = the #GBytes to write
* cancellable = optional cancellable object
*
* Returns: Number of bytes written, or -1 on error
*
* Throws: GException on failure.
*/
public ptrdiff_t writeBytes(Bytes bytes, Cancellable cancellable)
{
GError* err = null;
auto p = g_output_stream_write_bytes(gOutputStream, (bytes is null) ? null : bytes.getBytesStruct(), (cancellable is null) ? null : cancellable.getCancellableStruct(), &err);
if (err !is null)
{
throw new GException( new ErrorG(err) );
}
return p;
}
/**
* This function is similar to g_output_stream_write_async(), but
* takes a #GBytes as input. Due to the refcounted nature of #GBytes,
* this allows the stream to avoid taking a copy of the data.
*
* However, note that this function may still perform partial writes,
* just like g_output_stream_write_async(). If that occurs, to continue
* writing, you will need to create a new #GBytes containing just the
* remaining bytes, using g_bytes_new_from_bytes(). Passing the same
* #GBytes instance multiple times potentially can result in duplicated
* data in the output stream.
*
* For the synchronous, blocking version of this function, see
* g_output_stream_write_bytes().
*
* Params:
* bytes = The bytes to write
* ioPriority = the io priority of the request.
* cancellable = optional #GCancellable object, %NULL to ignore.
* callback = callback to call when the request is satisfied
* userData = the data to pass to callback function
*/
public void writeBytesAsync(Bytes bytes, int ioPriority, Cancellable cancellable, GAsyncReadyCallback callback, void* userData)
{
g_output_stream_write_bytes_async(gOutputStream, (bytes is null) ? null : bytes.getBytesStruct(), ioPriority, (cancellable is null) ? null : cancellable.getCancellableStruct(), callback, userData);
}
/**
* Finishes a stream write-from-#GBytes operation.
*
* Params:
* result = a #GAsyncResult.
*
* Returns: a #gssize containing the number of bytes written to the stream.
*
* Throws: GException on failure.
*/
public ptrdiff_t writeBytesFinish(AsyncResultIF result)
{
GError* err = null;
auto p = g_output_stream_write_bytes_finish(gOutputStream, (result is null) ? null : result.getAsyncResultStruct(), &err);
if (err !is null)
{
throw new GException( new ErrorG(err) );
}
return p;
}
/**
* Finishes a stream write operation.
*
* Params:
* result = a #GAsyncResult.
*
* Returns: a #gssize containing the number of bytes written to the stream.
*
* Throws: GException on failure.
*/
public ptrdiff_t writeFinish(AsyncResultIF result)
{
GError* err = null;
auto p = g_output_stream_write_finish(gOutputStream, (result is null) ? null : result.getAsyncResultStruct(), &err);
if (err !is null)
{
throw new GException( new ErrorG(err) );
}
return p;
}
}
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