1 // Copyright 2016 The PDFium Authors 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_STRING_H_ 8 #define CORE_FPDFAPI_PARSER_CPDF_STRING_H_ 9 10 #include "core/fpdfapi/parser/cpdf_object.h" 11 #include "core/fxcrt/fx_string.h" 12 #include "core/fxcrt/retain_ptr.h" 13 #include "core/fxcrt/string_pool_template.h" 14 #include "core/fxcrt/weak_ptr.h" 15 16 class CPDF_String final : public CPDF_Object { 17 public: 18 CONSTRUCT_VIA_MAKE_RETAIN; 19 20 // CPDF_Object: 21 Type GetType() const override; 22 RetainPtr<CPDF_Object> Clone() const override; 23 ByteString GetString() const override; 24 WideString GetUnicodeText() const override; 25 void SetString(const ByteString& str) override; 26 CPDF_String* AsMutableString() override; 27 bool WriteTo(IFX_ArchiveStream* archive, 28 const CPDF_Encryptor* encryptor) const override; 29 IsHex()30 bool IsHex() const { return m_bHex; } 31 ByteString EncodeString() const; 32 33 private: 34 CPDF_String(); 35 CPDF_String(WeakPtr<ByteStringPool> pPool, const ByteString& str, bool bHex); 36 CPDF_String(WeakPtr<ByteStringPool> pPool, WideStringView str); 37 ~CPDF_String() override; 38 39 ByteString m_String; 40 bool m_bHex = false; 41 }; 42 ToString(CPDF_Object * obj)43inline CPDF_String* ToString(CPDF_Object* obj) { 44 return obj ? obj->AsMutableString() : nullptr; 45 } 46 ToString(const CPDF_Object * obj)47inline const CPDF_String* ToString(const CPDF_Object* obj) { 48 return obj ? obj->AsString() : nullptr; 49 } 50 ToString(RetainPtr<const CPDF_Object> obj)51inline RetainPtr<const CPDF_String> ToString(RetainPtr<const CPDF_Object> obj) { 52 return RetainPtr<const CPDF_String>(ToString(obj.Get())); 53 } 54 55 #endif // CORE_FPDFAPI_PARSER_CPDF_STRING_H_ 56