1 // Copyright 2016 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_FPDFTEXT_CPDF_TEXTPAGEFIND_H_ 8 #define CORE_FPDFTEXT_CPDF_TEXTPAGEFIND_H_ 9 10 #include <vector> 11 12 #include "core/fxcrt/fx_coordinates.h" 13 #include "core/fxcrt/fx_string.h" 14 #include "core/fxcrt/fx_system.h" 15 #include "core/fxcrt/unowned_ptr.h" 16 #include "third_party/base/optional.h" 17 18 class CPDF_TextPage; 19 20 class CPDF_TextPageFind { 21 public: 22 explicit CPDF_TextPageFind(const CPDF_TextPage* pTextPage); 23 ~CPDF_TextPageFind(); 24 25 bool FindFirst(const WideString& findwhat, 26 int flags, 27 Optional<size_t> startPos); 28 bool FindNext(); 29 bool FindPrev(); 30 int GetCurOrder() const; 31 int GetMatchedCount() const; 32 33 protected: 34 void ExtractFindWhat(const WideString& findwhat); 35 bool IsMatchWholeWord(const WideString& csPageText, 36 size_t startPos, 37 size_t endPos); 38 Optional<WideString> ExtractSubString(const wchar_t* lpszFullString, 39 int iSubString, 40 wchar_t chSep); 41 int GetCharIndex(int index) const; 42 43 private: 44 std::vector<uint16_t> m_CharIndex; 45 UnownedPtr<const CPDF_TextPage> m_pTextPage; 46 WideString m_strText; 47 WideString m_findWhat; 48 int m_flags; 49 std::vector<WideString> m_csFindWhatArray; 50 Optional<size_t> m_findNextStart; 51 Optional<size_t> m_findPreStart; 52 bool m_bMatchCase; 53 bool m_bMatchWholeWord; 54 int m_resStart; 55 int m_resEnd; 56 std::vector<CFX_FloatRect> m_resArray; 57 bool m_IsFind; 58 }; 59 60 #endif // CORE_FPDFTEXT_CPDF_TEXTPAGEFIND_H_ 61
