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