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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.
*/
#include <arrow-glib/codec.hpp>
#include <arrow-glib/error.hpp>
G_BEGIN_DECLS
/**
* SECTION: codec
* @title: Codec related type and class
* @include: arrow-glib/arrow-glib.h
*
* #GArrowCompressionType provides compression types corresponding to
* `arrow::Compression::type`.
*
* #GArrowCodec is a class for compressing and decompressing data.
*/
typedef struct GArrowCodecPrivate_ {
std::shared_ptr<arrow::util::Codec> codec;
} GArrowCodecPrivate;
enum {
PROP_CODEC = 1
};
G_DEFINE_TYPE_WITH_PRIVATE(GArrowCodec, garrow_codec, G_TYPE_OBJECT)
#define GARROW_CODEC_GET_PRIVATE(object) \
static_cast<GArrowCodecPrivate *>( \
garrow_codec_get_instance_private( \
GARROW_CODEC(object)))
static void
garrow_codec_finalize(GObject *object)
{
auto priv = GARROW_CODEC_GET_PRIVATE(object);
priv->codec.~shared_ptr();
G_OBJECT_CLASS(garrow_codec_parent_class)->finalize(object);
}
static void
garrow_codec_set_property(GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
auto priv = GARROW_CODEC_GET_PRIVATE(object);
switch (prop_id) {
case PROP_CODEC:
priv->codec =
*static_cast<std::shared_ptr<arrow::util::Codec> *>(g_value_get_pointer(value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
static void
garrow_codec_get_property(GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
static void
garrow_codec_init(GArrowCodec *object)
{
auto priv = GARROW_CODEC_GET_PRIVATE(object);
new(&priv->codec) std::shared_ptr<arrow::util::Codec>;
}
static void
garrow_codec_class_init(GArrowCodecClass *klass)
{
GParamSpec *spec;
auto gobject_class = G_OBJECT_CLASS(klass);
gobject_class->finalize = garrow_codec_finalize;
gobject_class->set_property = garrow_codec_set_property;
gobject_class->get_property = garrow_codec_get_property;
spec = g_param_spec_pointer("codec",
"Codec",
"The raw std::shared_ptr<arrow::util::Codec> *",
static_cast<GParamFlags>(G_PARAM_WRITABLE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property(gobject_class, PROP_CODEC, spec);
}
/**
* garrow_codec_new:
* @type: A #GArrowCompressionType.
* @error: (nullable): Return location for a #GError or %NULL.
*
* Returns: A newly created #GArrowCodec on success, %NULL on error.
*
* Since: 0.12.0
*/
GArrowCodec *
garrow_codec_new(GArrowCompressionType type,
GError **error)
{
auto arrow_type = garrow_compression_type_to_raw(type);
auto arrow_codec = arrow::util::Codec::Create(arrow_type);
if (garrow::check(error, arrow_codec, "[codec][new]")) {
std::shared_ptr<arrow::util::Codec> arrow_codec_shared =
std::move(*arrow_codec);
return garrow_codec_new_raw(&arrow_codec_shared);
} else {
return NULL;
}
}
/**
* garrow_codec_get_name:
* @codec: A #GArrowCodec.
*
* Returns: The name of the codec.
*
* Since: 0.12.0
*/
const gchar *
garrow_codec_get_name(GArrowCodec *codec)
{
auto arrow_codec = garrow_codec_get_raw(codec);
if (!arrow_codec) {
return NULL;
}
return arrow_codec->name().c_str();
}
/**
* garrow_codec_get_compression_type:
* @codec: A #GArrowCodec.
*
* Returns: The compression type of the codec.
*
* Since: 2.0.0
*/
GArrowCompressionType
garrow_codec_get_compression_type(GArrowCodec *codec)
{
auto arrow_codec = garrow_codec_get_raw(codec);
if (!arrow_codec) {
return GARROW_COMPRESSION_TYPE_UNCOMPRESSED;
}
return garrow_compression_type_from_raw(arrow_codec->compression_type());
}
/**
* garrow_codec_get_compression_level:
* @codec: A #GArrowCodec.
*
* Returns: The compression level of the codec.
*
* Since: 2.0.0
*/
gint
garrow_codec_get_compression_level(GArrowCodec *codec)
{
auto arrow_codec = garrow_codec_get_raw(codec);
if (!arrow_codec) {
return arrow::util::Codec::UseDefaultCompressionLevel();
}
return arrow_codec->compression_level();
}
G_END_DECLS
GArrowCompressionType
garrow_compression_type_from_raw(arrow::Compression::type arrow_type)
{
switch (arrow_type) {
case arrow::Compression::type::UNCOMPRESSED:
return GARROW_COMPRESSION_TYPE_UNCOMPRESSED;
case arrow::Compression::type::SNAPPY:
return GARROW_COMPRESSION_TYPE_SNAPPY;
case arrow::Compression::type::GZIP:
return GARROW_COMPRESSION_TYPE_GZIP;
case arrow::Compression::type::BROTLI:
return GARROW_COMPRESSION_TYPE_BROTLI;
case arrow::Compression::type::ZSTD:
return GARROW_COMPRESSION_TYPE_ZSTD;
case arrow::Compression::type::LZ4:
return GARROW_COMPRESSION_TYPE_LZ4;
case arrow::Compression::type::LZO:
return GARROW_COMPRESSION_TYPE_LZO;
case arrow::Compression::type::BZ2:
return GARROW_COMPRESSION_TYPE_BZ2;
default:
return GARROW_COMPRESSION_TYPE_UNCOMPRESSED;
}
}
arrow::Compression::type
garrow_compression_type_to_raw(GArrowCompressionType type)
{
switch (type) {
case GARROW_COMPRESSION_TYPE_UNCOMPRESSED:
return arrow::Compression::type::UNCOMPRESSED;
case GARROW_COMPRESSION_TYPE_SNAPPY:
return arrow::Compression::type::SNAPPY;
case GARROW_COMPRESSION_TYPE_GZIP:
return arrow::Compression::type::GZIP;
case GARROW_COMPRESSION_TYPE_BROTLI:
return arrow::Compression::type::BROTLI;
case GARROW_COMPRESSION_TYPE_ZSTD:
return arrow::Compression::type::ZSTD;
case GARROW_COMPRESSION_TYPE_LZ4:
return arrow::Compression::type::LZ4;
case GARROW_COMPRESSION_TYPE_LZO:
return arrow::Compression::type::LZO;
case GARROW_COMPRESSION_TYPE_BZ2:
return arrow::Compression::type::BZ2;
default:
return arrow::Compression::type::UNCOMPRESSED;
}
}
GArrowCodec *
garrow_codec_new_raw(std::shared_ptr<arrow::util::Codec> *arrow_codec)
{
auto codec = GARROW_CODEC(g_object_new(GARROW_TYPE_CODEC,
"codec", arrow_codec,
NULL));
return codec;
}
std::shared_ptr<arrow::util::Codec>
garrow_codec_get_raw(GArrowCodec *codec)
{
auto priv = GARROW_CODEC_GET_PRIVATE(codec);
return priv->codec;
}
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