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