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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.
#ifndef R_MATERIALIZE_LGL_H_INCLUDED
#define R_MATERIALIZE_LGL_H_INCLUDED
#include <R.h>
#include <Rinternals.h>
#include "materialize_common.h"
#include "nanoarrow.h"
static int nanoarrow_materialize_lgl(struct ArrayViewSlice* src, struct VectorSlice* dst,
struct MaterializeOptions* options) {
if (src->array_view->array->dictionary != NULL) {
return ENOTSUP;
}
// True for all the types supported here
const uint8_t* is_valid = src->array_view->buffer_views[0].data.as_uint8;
const uint8_t* data_buffer = src->array_view->buffer_views[1].data.as_uint8;
int64_t raw_src_offset = src->array_view->array->offset + src->offset;
int* result = LOGICAL(dst->vec_sexp);
// Fill the buffer
switch (src->array_view->storage_type) {
case NANOARROW_TYPE_NA:
for (R_xlen_t i = 0; i < dst->length; i++) {
result[dst->offset + i] = NA_LOGICAL;
}
break;
case NANOARROW_TYPE_BOOL:
ArrowBitsUnpackInt32(data_buffer, raw_src_offset, dst->length,
result + dst->offset);
// Set any nulls to NA_LOGICAL
if (is_valid != NULL && src->array_view->array->null_count != 0) {
for (R_xlen_t i = 0; i < dst->length; i++) {
if (!ArrowBitGet(is_valid, raw_src_offset + i)) {
result[dst->offset + i] = NA_LOGICAL;
}
}
}
break;
case NANOARROW_TYPE_INT8:
case NANOARROW_TYPE_UINT8:
case NANOARROW_TYPE_INT16:
case NANOARROW_TYPE_UINT16:
case NANOARROW_TYPE_INT32:
case NANOARROW_TYPE_UINT32:
case NANOARROW_TYPE_INT64:
case NANOARROW_TYPE_UINT64:
case NANOARROW_TYPE_FLOAT:
case NANOARROW_TYPE_DOUBLE:
for (R_xlen_t i = 0; i < src->array_view->array->length; i++) {
result[dst->offset + i] =
ArrowArrayViewGetIntUnsafe(src->array_view, src->offset + i) != 0;
}
// Set any nulls to NA_LOGICAL
if (is_valid != NULL && src->array_view->array->null_count != 0) {
for (R_xlen_t i = 0; i < dst->length; i++) {
if (!ArrowBitGet(is_valid, raw_src_offset + i)) {
result[dst->offset + i] = NA_LOGICAL;
}
}
}
break;
default:
return EINVAL;
}
return NANOARROW_OK;
}
#endif