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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
#pragma once
#include <gio/gio.h>
#include <arrow-glib/buffer.h>
#include <arrow-glib/codec.h>
#include <arrow-glib/ipc-options.h>
#include <arrow-glib/record-batch.h>
#include <arrow-glib/tensor.h>
G_BEGIN_DECLS
#define GARROW_TYPE_INPUT_STREAM (garrow_input_stream_get_type())
G_DECLARE_DERIVABLE_TYPE(GArrowInputStream,
garrow_input_stream,
GARROW,
INPUT_STREAM,
GInputStream)
struct _GArrowInputStreamClass
{
GInputStreamClass parent_class;
};
gboolean garrow_input_stream_advance(GArrowInputStream *input_stream,
gint64 n_bytes,
GError **error);
gboolean garrow_input_stream_align(GArrowInputStream *input_stream,
gint32 alignment,
GError **error);
GArrowTensor *garrow_input_stream_read_tensor(GArrowInputStream *input_stream,
GError **error);
GARROW_AVAILABLE_IN_1_0
GArrowRecordBatch *
garrow_input_stream_read_record_batch(GArrowInputStream *input_stream,
GArrowSchema *schema,
GArrowReadOptions *options,
GError **error);
#define GARROW_TYPE_SEEKABLE_INPUT_STREAM \
(garrow_seekable_input_stream_get_type())
G_DECLARE_DERIVABLE_TYPE(GArrowSeekableInputStream,
garrow_seekable_input_stream,
GARROW,
SEEKABLE_INPUT_STREAM,
GArrowInputStream)
struct _GArrowSeekableInputStreamClass
{
GArrowInputStreamClass parent_class;
};
guint64 garrow_seekable_input_stream_get_size(GArrowSeekableInputStream *input_stream,
GError **error);
gboolean garrow_seekable_input_stream_get_support_zero_copy(GArrowSeekableInputStream *input_stream);
GArrowBuffer *
garrow_seekable_input_stream_read_at(GArrowSeekableInputStream *input_stream,
gint64 position,
gint64 n_bytes,
GError **error);
GARROW_AVAILABLE_IN_0_15
GBytes *
garrow_seekable_input_stream_read_at_bytes(GArrowSeekableInputStream *input_stream,
gint64 position,
gint64 n_bytes,
GError **error);
GARROW_AVAILABLE_IN_0_12
GBytes *garrow_seekable_input_stream_peek(GArrowSeekableInputStream *input_stream,
gint64 n_bytes,
GError **error);
#define GARROW_TYPE_BUFFER_INPUT_STREAM \
(garrow_buffer_input_stream_get_type())
G_DECLARE_DERIVABLE_TYPE(GArrowBufferInputStream,
garrow_buffer_input_stream,
GARROW,
BUFFER_INPUT_STREAM,
GArrowSeekableInputStream)
struct _GArrowBufferInputStreamClass
{
GArrowSeekableInputStreamClass parent_class;
};
GArrowBufferInputStream *garrow_buffer_input_stream_new(GArrowBuffer *buffer);
GArrowBuffer *garrow_buffer_input_stream_get_buffer(GArrowBufferInputStream *input_stream);
#define GARROW_TYPE_FILE_INPUT_STREAM (garrow_file_input_stream_get_type())
G_DECLARE_DERIVABLE_TYPE(GArrowFileInputStream,
garrow_file_input_stream,
GARROW,
FILE_INPUT_STREAM,
GArrowSeekableInputStream)
struct _GArrowFileInputStreamClass
{
GArrowSeekableInputStreamClass parent_class;
};
GArrowFileInputStream *
garrow_file_input_stream_new(const gchar *path,
GError **error);
GArrowFileInputStream *
garrow_file_input_stream_new_file_descriptor(gint file_descriptor,
GError **error);
gint
garrow_file_input_stream_get_file_descriptor(GArrowFileInputStream *stream);
#define GARROW_TYPE_MEMORY_MAPPED_INPUT_STREAM \
(garrow_memory_mapped_input_stream_get_type())
G_DECLARE_DERIVABLE_TYPE(GArrowMemoryMappedInputStream,
garrow_memory_mapped_input_stream,
GARROW,
MEMORY_MAPPED_INPUT_STREAM,
GArrowSeekableInputStream)
struct _GArrowMemoryMappedInputStreamClass
{
GArrowSeekableInputStreamClass parent_class;
};
GArrowMemoryMappedInputStream *
garrow_memory_mapped_input_stream_new(const gchar *path,
GError **error);
#define GARROW_TYPE_GIO_INPUT_STREAM \
(garrow_gio_input_stream_get_type())
#define GARROW_GIO_INPUT_STREAM(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), \
GARROW_TYPE_GIO_INPUT_STREAM, \
GArrowGIOInputStream))
#define GARROW_GIO_INPUT_STREAM_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), \
GARROW_TYPE_GIO_INPUT_STREAM, \
GArrowGIOInputStreamClass))
#define GARROW_IS_GIO_INPUT_STREAM(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), \
GARROW_TYPE_GIO_INPUT_STREAM))
#define GARROW_IS_GIO_INPUT_STREAM_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), \
GARROW_TYPE_GIO_INPUT_STREAM))
#define GARROW_GIO_INPUT_STREAM_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj), \
GARROW_TYPE_GIO_INPUT_STREAM, \
GArrowGIOInputStreamClass))
typedef struct _GArrowGIOInputStream GArrowGIOInputStream;
#ifndef __GTK_DOC_IGNORE__
typedef struct _GArrowGIOInputStreamClass GArrowGIOInputStreamClass;
#endif
/**
* GArrowGIOInputStream:
*
* It's an input stream for `GInputStream`.
*/
struct _GArrowGIOInputStream
{
/*< private >*/
GArrowSeekableInputStream parent_instance;
};
#ifndef __GTK_DOC_IGNORE__
struct _GArrowGIOInputStreamClass
{
GArrowSeekableInputStreamClass parent_class;
};
#endif
GType garrow_gio_input_stream_get_type(void) G_GNUC_CONST;
GArrowGIOInputStream *garrow_gio_input_stream_new(GInputStream *gio_input_stream);
#ifndef GARROW_DISABLE_DEPRECATED
G_GNUC_DEPRECATED
GInputStream *
garrow_gio_input_stream_get_raw(GArrowGIOInputStream *input_stream);
#endif
#define GARROW_TYPE_COMPRESSED_INPUT_STREAM \
(garrow_compressed_input_stream_get_type())
G_DECLARE_DERIVABLE_TYPE(GArrowCompressedInputStream,
garrow_compressed_input_stream,
GARROW,
COMPRESSED_INPUT_STREAM,
GArrowInputStream)
struct _GArrowCompressedInputStreamClass
{
GArrowInputStreamClass parent_class;
};
GArrowCompressedInputStream *
garrow_compressed_input_stream_new(GArrowCodec *codec,
GArrowInputStream *raw,
GError **error);
G_END_DECLS
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