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// Copyright 2017 The PDFium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc.
#include <stddef.h>
#include "core/fxcrt/binary_buffer.h"
#include "core/fxcrt/fx_string.h"
#include "third_party/base/span.h"
namespace fxcrt {
class WideTextBuffer final : public BinaryBuffer {
// BinaryBuffer:
size_t GetLength() const override;
pdfium::span<wchar_t> GetWideSpan();
pdfium::span<const wchar_t> GetWideSpan() const;
WideStringView AsStringView() const;
WideString MakeString() const;
void AppendChar(wchar_t wch);
void Delete(size_t start_index, size_t count);
WideTextBuffer& operator<<(ByteStringView ascii);
WideTextBuffer& operator<<(const wchar_t* lpsz);
WideTextBuffer& operator<<(WideStringView str);
WideTextBuffer& operator<<(const WideString& str);
WideTextBuffer& operator<<(const WideTextBuffer& buf);
void AppendWideString(WideStringView str);
// Returned span is the newly-expanded space.
pdfium::span<wchar_t> ExpandWideBuf(size_t char_count);
} // namespace fxcrt
using fxcrt::WideTextBuffer;