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/* This file is part of the 'stringi' project.
* Copyright (c) 2013-2025, Marek Gagolewski <https://www.gagolewski.com/>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "stri_stringi.h"
#ifndef STRI_ICU_FOUND
#include "uconfig_local.h"
#endif
/** Get current-default ICU locale and charset information
*
* @return an R named list with 7 components:
* \code{Unicode.version} == ICU Unicode version,
* \code{ICU.version} == U_ICU_VERSION
* \code{Locale} == \code{stri_locale_info()},
* \code{Charset.internal} == \code{"UTF-8", "UTF-16"},
* \code{Charset.native} == \code{stri_enc_info()})
* \code{ICU.system} == is system ICU used?
* \code{ICU.UTF8} == is U_CHARSET_IS_UTF8 set?
*
* @version 0.1-?? (Marek Gagolewski)
*
* @version 0.1-?? (Marek Gagolewski, 2013-06-16)
* make StriException friendly
*
* @version 0.1-?? (Marek Gagolewski, 2013-11-17)
* added U_ICU_VERSION
*
* @version 0.3-1 (Marek Gagolewski, 2014-11-04)
* Issue #112: str_prepare_arg* retvals were not PROTECTed from gc
*
* @version 0.5-3 (Marek Gagolewski, 2015-06-24)
* new retval field: ICU.system
*
* @version 1.3.1 (Marek Gagolewski, 2019-02-06)
* new retval field: ICU.UTF8
*
*/
SEXP stri_info()
{
STRI__ERROR_HANDLER_BEGIN(0)
const R_len_t infosize = 7;
SEXP vals;
STRI__PROTECT(vals = Rf_allocVector(VECSXP, infosize));
SET_VECTOR_ELT(vals, 0, Rf_mkString(U_UNICODE_VERSION));
SET_VECTOR_ELT(vals, 1, Rf_mkString(U_ICU_VERSION));
SET_VECTOR_ELT(vals, 2, stri_locale_info(R_NilValue)); // may call Rf_error
SET_VECTOR_ELT(vals, 3,
stri__make_character_vector_char_ptr(2, "UTF-8", "UTF-16")); // fixed strings
SET_VECTOR_ELT(vals, 4, stri_enc_info(R_NilValue)); // may call Rf_error
SET_VECTOR_ELT(vals, 5, Rf_ScalarLogical(STRI_ICU_FOUND));
SET_VECTOR_ELT(vals, 6, Rf_ScalarLogical(0));
#ifdef U_CHARSET_IS_UTF8
#if U_CHARSET_IS_UTF8
SET_VECTOR_ELT(vals, 6, Rf_ScalarLogical(1));
#endif
#endif
stri__set_names(vals, infosize,
"Unicode.version", "ICU.version", "Locale",
"Charset.internal", "Charset.native", "ICU.system", "ICU.UTF8");
STRI__UNPROTECT_ALL
return vals;
STRI__ERROR_HANDLER_END(;/* nothing special to be done on error */)
}
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