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_FPDFDOC_CPDF_PAGELABEL_H_ 8 #define CORE_FPDFDOC_CPDF_PAGELABEL_H_ 9 10 #include "core/fxcrt/fx_string.h" 11 #include "third_party/base/optional.h" 12 13 class CPDF_Document; 14 15 class CPDF_PageLabel { 16 public: 17 explicit CPDF_PageLabel(CPDF_Document* pDocument); 18 ~CPDF_PageLabel(); 19 20 Optional<WideString> GetLabel(int nPage) const; 21 int32_t GetPageByLabel(const ByteStringView& bsLabel) const; 22 int32_t GetPageByLabel(const WideStringView& wsLabel) const; 23 24 private: 25 UnownedPtr<CPDF_Document> const m_pDocument; 26 }; 27 28 #endif // CORE_FPDFDOC_CPDF_PAGELABEL_H_ 29
