chromium/ui/gfx/utf16_indexing.cc

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ui/gfx/utf16_indexing.h"

#include "base/check_op.h"
#include "base/third_party/icu/icu_utf.h"

namespace gfx {

bool IsValidCodePointIndex(const std::u16string& s, size_t index) { … }

ptrdiff_t UTF16IndexToOffset(const std::u16string& s, size_t base, size_t pos) { … }

size_t UTF16OffsetToIndex(const std::u16string& s,
                          size_t base,
                          ptrdiff_t offset) { … }

}  // namespace gfx