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_FPDFAPI_PARSER_CPDF_BOOLEAN_H_ 8 #define CORE_FPDFAPI_PARSER_CPDF_BOOLEAN_H_ 9 10 #include <memory> 11 12 #include "core/fpdfapi/parser/cpdf_object.h" 13 #include "core/fxcrt/fx_string.h" 14 #include "core/fxcrt/fx_system.h" 15 16 class CPDF_Boolean final : public CPDF_Object { 17 public: 18 template <typename T, typename... Args> 19 friend RetainPtr<T> pdfium::MakeRetain(Args&&... args); 20 21 // CPDF_Object: 22 Type GetType() const override; 23 RetainPtr<CPDF_Object> Clone() const override; 24 ByteString GetString() const override; 25 int GetInteger() const override; 26 void SetString(const ByteString& str) override; 27 bool IsBoolean() const override; 28 CPDF_Boolean* AsBoolean() override; 29 const CPDF_Boolean* AsBoolean() const override; 30 bool WriteTo(IFX_ArchiveStream* archive, 31 const CPDF_Encryptor* encryptor) const override; 32 33 private: 34 CPDF_Boolean(); 35 explicit CPDF_Boolean(bool value); 36 ~CPDF_Boolean() override; 37 38 bool m_bValue = false; 39 }; 40 ToBoolean(CPDF_Object * obj)41inline CPDF_Boolean* ToBoolean(CPDF_Object* obj) { 42 return obj ? obj->AsBoolean() : nullptr; 43 } 44 ToBoolean(const CPDF_Object * obj)45inline const CPDF_Boolean* ToBoolean(const CPDF_Object* obj) { 46 return obj ? obj->AsBoolean() : nullptr; 47 } 48 49 #endif // CORE_FPDFAPI_PARSER_CPDF_BOOLEAN_H_ 50