/* * 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 #include #include #include #include #include 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