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/*
* Copyright (C) 2006 George Staikos <staikos@kde.org>
* Copyright (C) 2006, 2008, 2009 Apple Inc. All rights reserved.
* Copyright (C) 2007-2009 Torch Mobile, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_TEXT_UNICODE_STRING_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_TEXT_UNICODE_STRING_H_
#include <unicode/stringoptions.h>
#include <unicode/unistr.h>
#include <unicode/ustring.h>
#include "base/containers/span.h"
#if U_ICU_VERSION_MAJOR_NUM >= 59
#include <unicode/char16ptr.h>
#endif
namespace WTF {
namespace unicode {
inline int FoldCase(UChar* result,
int result_length,
const UChar* src,
int src_length,
bool* error) {
UErrorCode status = U_ZERO_ERROR;
int real_length = u_strFoldCase(result, result_length, src, src_length,
U_FOLD_CASE_DEFAULT, &status);
*error = !U_SUCCESS(status);
return real_length;
}
inline int Umemcasecmp(const UChar* a, const UChar* b, int len) {
return u_memcasecmp(a, b, len, U_FOLD_CASE_DEFAULT);
}
inline base::span<const UChar> ToSpan(const icu::UnicodeString& ustring) {
size_t size = static_cast<size_t>(ustring.length());
// SAFETY: ICU ensures ustring.length() is valid for ustring.getBuffer().
#if U_ICU_VERSION_MAJOR_NUM >= 59
return UNSAFE_BUFFERS(base::span(icu::toUCharPtr(ustring.getBuffer()), size));
#else
return UNSAFE_BUFFERS(base::span(ustring.getBuffer(), size));
#endif
}
} // namespace unicode
} // namespace WTF
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_TEXT_UNICODE_STRING_H_
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