| // 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_CPDF_TEXTPAGEFIND_H_ |
| #define CORE_FPDFTEXT_CPDF_TEXTPAGEFIND_H_ |
| |
| #include <stddef.h> |
| |
| #include <memory> |
| #include <vector> |
| |
| #include "core/fxcrt/fx_coordinates.h" |
| #include "core/fxcrt/unowned_ptr.h" |
| #include "core/fxcrt/widestring.h" |
| #include "third_party/abseil-cpp/absl/types/optional.h" |
| |
| class CPDF_TextPage; |
| |
| class CPDF_TextPageFind { |
| public: |
| struct Options { |
| bool bMatchCase = false; |
| bool bMatchWholeWord = false; |
| bool bConsecutive = false; |
| }; |
| |
| static std::unique_ptr<CPDF_TextPageFind> Create( |
| const CPDF_TextPage* pTextPage, |
| const WideString& findwhat, |
| const Options& options, |
| absl::optional<size_t> startPos); |
| |
| ~CPDF_TextPageFind(); |
| |
| bool FindNext(); |
| bool FindPrev(); |
| int GetCurOrder() const; |
| int GetMatchedCount() const; |
| |
| private: |
| CPDF_TextPageFind(const CPDF_TextPage* pTextPage, |
| const std::vector<WideString>& findwhat_array, |
| const Options& options, |
| absl::optional<size_t> startPos); |
| |
| // Should be called immediately after construction. |
| bool FindFirst(); |
| |
| int GetCharIndex(int index) const; |
| |
| UnownedPtr<const CPDF_TextPage> const m_pTextPage; |
| const WideString m_strText; |
| const std::vector<WideString> m_csFindWhatArray; |
| absl::optional<size_t> m_findNextStart; |
| absl::optional<size_t> m_findPreStart; |
| int m_resStart = 0; |
| int m_resEnd = -1; |
| const Options m_options; |
| }; |
| |
| #endif // CORE_FPDFTEXT_CPDF_TEXTPAGEFIND_H_ |