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// Copyright 2016 PDFium Authors. All rights reserved.
// 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. http://www.foxitsoftware.com
#ifndef CORE_FPDFTEXT_INCLUDE_CPDF_TEXTPAGEFIND_H_
#define CORE_FPDFTEXT_INCLUDE_CPDF_TEXTPAGEFIND_H_
#include <vector>
#include "core/fxcrt/include/fx_coordinates.h"
#include "core/fxcrt/include/fx_string.h"
#include "core/fxcrt/include/fx_system.h"
class CPDF_TextPage;
class CPDF_TextPageFind {
public:
explicit CPDF_TextPageFind(const CPDF_TextPage* pTextPage);
~CPDF_TextPageFind() {}
FX_BOOL FindFirst(const CFX_WideString& findwhat,
int flags,
int startPos = 0);
FX_BOOL FindNext();
FX_BOOL FindPrev();
int GetCurOrder() const;
int GetMatchedCount() const;
protected:
void ExtractFindWhat(const CFX_WideString& findwhat);
FX_BOOL IsMatchWholeWord(const CFX_WideString& csPageText,
int startPos,
int endPos);
FX_BOOL ExtractSubString(CFX_WideString& rString,
const FX_WCHAR* lpszFullString,
int iSubString,
FX_WCHAR chSep);
CFX_WideString MakeReverse(const CFX_WideString& str);
int ReverseFind(const CFX_WideString& csPageText,
const CFX_WideString& csWord,
int nStartPos,
int& WordLength);
int GetCharIndex(int index) const;
private:
std::vector<uint16_t> m_CharIndex;
const CPDF_TextPage* m_pTextPage;
CFX_WideString m_strText;
CFX_WideString m_findWhat;
int m_flags;
std::vector<CFX_WideString> m_csFindWhatArray;
int m_findNextStart;
int m_findPreStart;
FX_BOOL m_bMatchCase;
FX_BOOL m_bMatchWholeWord;
int m_resStart;
int m_resEnd;
std::vector<CFX_FloatRect> m_resArray;
FX_BOOL m_IsFind;
};
#endif // CORE_FPDFTEXT_INCLUDE_CPDF_TEXTPAGEFIND_H_
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