| // 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_CHR_H_INCLUDED |
| #define R_MATERIALIZE_CHR_H_INCLUDED |
| |
| #include <R.h> |
| #include <Rinternals.h> |
| |
| #include "materialize_common.h" |
| #include "nanoarrow.h" |
| |
| static inline int nanoarrow_materialize_chr(struct RConverter* converter) { |
| struct ArrayViewSlice* src = &converter->src; |
| struct VectorSlice* dst = &converter->dst; |
| |
| switch (src->array_view->storage_type) { |
| case NANOARROW_TYPE_NA: |
| for (R_xlen_t i = 0; i < dst->length; i++) { |
| SET_STRING_ELT(dst->vec_sexp, dst->offset + i, NA_STRING); |
| } |
| return NANOARROW_OK; |
| |
| case NANOARROW_TYPE_STRING: |
| case NANOARROW_TYPE_LARGE_STRING: |
| break; |
| |
| default: |
| return ENOTSUP; |
| } |
| |
| struct ArrowStringView item; |
| for (R_xlen_t i = 0; i < dst->length; i++) { |
| if (ArrowArrayViewIsNull(src->array_view, src->offset + i)) { |
| SET_STRING_ELT(dst->vec_sexp, dst->offset + i, NA_STRING); |
| } else { |
| item = ArrowArrayViewGetStringUnsafe(src->array_view, src->offset + i); |
| SET_STRING_ELT(dst->vec_sexp, dst->offset + i, |
| Rf_mkCharLenCE(item.data, item.size_bytes, CE_UTF8)); |
| } |
| } |
| |
| return NANOARROW_OK; |
| } |
| |
| #endif |