1// Copyright 2017 PDFium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6
7#ifndef CORE_FXCRT_CFX_WIDETEXTBUF_H_
8#define CORE_FXCRT_CFX_WIDETEXTBUF_H_
9
10#include "core/fxcrt/cfx_binarybuf.h"
11#include "core/fxcrt/fx_string.h"
12#include "core/fxcrt/fx_system.h"
13
14class CFX_WideTextBuf : public CFX_BinaryBuf {
15 public:
16  void AppendChar(wchar_t wch);
17  size_t GetLength() const override;
18  wchar_t* GetBuffer() const {
19    return reinterpret_cast<wchar_t*>(m_pBuffer.get());
20  }
21
22  WideStringView AsStringView() const {
23    return WideStringView(reinterpret_cast<const wchar_t*>(m_pBuffer.get()),
24                          m_DataSize / sizeof(wchar_t));
25  }
26  WideString MakeString() const {
27    return WideString(reinterpret_cast<const wchar_t*>(m_pBuffer.get()),
28                      m_DataSize / sizeof(wchar_t));
29  }
30
31  void Delete(int start_index, int count) {
32    CFX_BinaryBuf::Delete(start_index * sizeof(wchar_t),
33                          count * sizeof(wchar_t));
34  }
35
36  CFX_WideTextBuf& operator<<(int i);
37  CFX_WideTextBuf& operator<<(double f);
38  CFX_WideTextBuf& operator<<(const wchar_t* lpsz);
39  CFX_WideTextBuf& operator<<(const WideStringView& str);
40  CFX_WideTextBuf& operator<<(const WideString& str);
41  CFX_WideTextBuf& operator<<(const CFX_WideTextBuf& buf);
42};
43
44#endif  // CORE_FXCRT_CFX_WIDETEXTBUF_H_
45