/*
   +----------------------------------------------------------------------+
   | Copyright © The PHP Group and Contributors.                          |
   +----------------------------------------------------------------------+
   | This source file is subject to the Modified BSD License that is      |
   | bundled with this package in the file LICENSE, and is available      |
   | through the World Wide Web at <https://www.php.net/license/>.        |
   |                                                                      |
   | SPDX-License-Identifier: BSD-3-Clause                                |
   +----------------------------------------------------------------------+
   | Authors: Scott MacVicar <scottmac@php.net>                           |
   +----------------------------------------------------------------------+
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#if __cplusplus >= 201703L
#include <string_view>
#include <unicode/unistr.h>
#endif

extern "C" {
#include "php_intl.h"
#include "intl_data.h"
}
#include "spoofchecker_class.h"

/* {{{ Spoofchecker object constructor. */
U_CFUNC PHP_METHOD(Spoofchecker, __construct)
{
#if U_ICU_VERSION_MAJOR_NUM < 58
	int checks;
#endif
	SPOOFCHECKER_METHOD_INIT_VARS;

	ZEND_PARSE_PARAMETERS_NONE();

	SPOOFCHECKER_METHOD_FETCH_OBJECT_NO_CHECK;

	co->uspoof = uspoof_open(SPOOFCHECKER_ERROR_CODE_P(co));
	if (U_FAILURE(INTL_DATA_ERROR_CODE(co))) {
		zend_throw_exception(IntlException_ce_ptr,
			"Spoofchecker::__construct(): unable to open ICU Spoof Checker", 0);
	}

#if U_ICU_VERSION_MAJOR_NUM >= 58
	/* TODO save it into the object for further suspiction check comparison. */
	/* ICU 58 removes WSC and MSC handling. However there are restriction
	 levels as defined in
	 http://www.unicode.org/reports/tr39/tr39-15.html#Restriction_Level_Detection
	 and the default is high restrictive. In further, we might want to utilize
	 uspoof_check2 APIs when it became stable, to use extended check result APIs.
	 Subsequent changes in the unicode security algos are to be watched.*/
	uspoof_setRestrictionLevel(co->uspoof, SPOOFCHECKER_DEFAULT_RESTRICTION_LEVEL);
	co->uspoofres = uspoof_openCheckResult(SPOOFCHECKER_ERROR_CODE_P(co));
#else
	/* Single-script enforcement is on by default. This fails for languages
	 like Japanese that legally use multiple scripts within a single word,
	 so we turn it off.
	*/
	checks = uspoof_getChecks(co->uspoof, SPOOFCHECKER_ERROR_CODE_P(co));
	uspoof_setChecks(co->uspoof, checks & ~USPOOF_SINGLE_SCRIPT, SPOOFCHECKER_ERROR_CODE_P(co));
#endif
}
/* }}} */