diff options
Diffstat (limited to 'core')
| -rw-r--r-- | core/include/fpdfapi/fpdf_objects.h | 258 | ||||
| -rw-r--r-- | core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp | 385 |
2 files changed, 490 insertions, 153 deletions
diff --git a/core/include/fpdfapi/fpdf_objects.h b/core/include/fpdfapi/fpdf_objects.h index 238f57de59..6047e36b94 100644 --- a/core/include/fpdfapi/fpdf_objects.h +++ b/core/include/fpdfapi/fpdf_objects.h @@ -46,52 +46,50 @@ class CPDF_Object { FX_DWORD GetGenNum() const { return m_GenNum; } virtual CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const = 0; - virtual CPDF_Object* GetDirect() const { - return const_cast<CPDF_Object*>(this); - } + virtual CPDF_Object* GetDirect() const; FX_BOOL IsModified() const { return FALSE; } void Release(); - virtual CFX_ByteString GetString() const { return CFX_ByteString(); } - virtual CFX_ByteStringC GetConstString() const { return CFX_ByteStringC(); } - virtual CFX_WideString GetUnicodeText() const { return CFX_WideString(); } - virtual FX_FLOAT GetNumber() const { return 0; } - virtual int GetInteger() const { return 0; } - virtual CPDF_Dictionary* GetDict() const { return nullptr; } - virtual CPDF_Array* GetArray() const { return nullptr; } - - virtual void SetString(const CFX_ByteString& str) { ASSERT(FALSE); } - - virtual bool IsArray() const { return false; } - virtual bool IsBoolean() const { return false; } - virtual bool IsDictionary() const { return false; } - virtual bool IsName() const { return false; } - virtual bool IsNumber() const { return false; } - virtual bool IsReference() const { return false; } - virtual bool IsStream() const { return false; } - virtual bool IsString() const { return false; } - - virtual CPDF_Array* AsArray() { return nullptr; } - virtual const CPDF_Array* AsArray() const { return nullptr; } - virtual CPDF_Boolean* AsBoolean() { return nullptr; } - virtual const CPDF_Boolean* AsBoolean() const { return nullptr; } - virtual CPDF_Dictionary* AsDictionary() { return nullptr; } - virtual const CPDF_Dictionary* AsDictionary() const { return nullptr; } - virtual CPDF_Name* AsName() { return nullptr; } - virtual const CPDF_Name* AsName() const { return nullptr; } - virtual CPDF_Number* AsNumber() { return nullptr; } - virtual const CPDF_Number* AsNumber() const { return nullptr; } - virtual CPDF_Reference* AsReference() { return nullptr; } - virtual const CPDF_Reference* AsReference() const { return nullptr; } - virtual CPDF_Stream* AsStream() { return nullptr; } - virtual const CPDF_Stream* AsStream() const { return nullptr; } - virtual CPDF_String* AsString() { return nullptr; } - virtual const CPDF_String* AsString() const { return nullptr; } + virtual CFX_ByteString GetString() const; + virtual CFX_ByteStringC GetConstString() const; + virtual CFX_WideString GetUnicodeText() const; + virtual FX_FLOAT GetNumber() const; + virtual int GetInteger() const; + virtual CPDF_Dictionary* GetDict() const; + virtual CPDF_Array* GetArray() const; + + virtual void SetString(const CFX_ByteString& str); + + virtual bool IsArray() const; + virtual bool IsBoolean() const; + virtual bool IsDictionary() const; + virtual bool IsName() const; + virtual bool IsNumber() const; + virtual bool IsReference() const; + virtual bool IsStream() const; + virtual bool IsString() const; + + virtual CPDF_Array* AsArray(); + virtual const CPDF_Array* AsArray() const; + virtual CPDF_Boolean* AsBoolean(); + virtual const CPDF_Boolean* AsBoolean() const; + virtual CPDF_Dictionary* AsDictionary(); + virtual const CPDF_Dictionary* AsDictionary() const; + virtual CPDF_Name* AsName(); + virtual const CPDF_Name* AsName() const; + virtual CPDF_Number* AsNumber(); + virtual const CPDF_Number* AsNumber() const; + virtual CPDF_Reference* AsReference(); + virtual const CPDF_Reference* AsReference() const; + virtual CPDF_Stream* AsStream(); + virtual const CPDF_Stream* AsStream() const; + virtual CPDF_String* AsString(); + virtual const CPDF_String* AsString() const; protected: CPDF_Object() : m_ObjNum(0), m_GenNum(0) {} - virtual ~CPDF_Object() {} + virtual ~CPDF_Object(); void Destroy() { delete this; } FX_DWORD m_ObjNum; @@ -111,23 +109,17 @@ class CPDF_Boolean : public CPDF_Object { explicit CPDF_Boolean(FX_BOOL value) : m_bValue(value) {} // CPDF_Object. - Type GetType() const override { return BOOLEAN; } - CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const override { - return new CPDF_Boolean(m_bValue); - } - CFX_ByteString GetString() const override { - return m_bValue ? "true" : "false"; - } - int GetInteger() const override { return m_bValue; } - void SetString(const CFX_ByteString& str) override { - m_bValue = (str == "true"); - } - bool IsBoolean() const override { return true; } - CPDF_Boolean* AsBoolean() override { return this; } - const CPDF_Boolean* AsBoolean() const override { return this; } + Type GetType() const override; + CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const override; + CFX_ByteString GetString() const override; + int GetInteger() const override; + void SetString(const CFX_ByteString& str) override; + bool IsBoolean() const override; + CPDF_Boolean* AsBoolean() override; + const CPDF_Boolean* AsBoolean() const override; protected: - ~CPDF_Boolean() {} + ~CPDF_Boolean() override; FX_BOOL m_bValue; }; @@ -148,32 +140,24 @@ class CPDF_Number : public CPDF_Object { explicit CPDF_Number(const CFX_ByteStringC& str); // CPDF_Object. - Type GetType() const override { return NUMBER; } - CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const override { - return m_bInteger ? new CPDF_Number(m_Integer) : new CPDF_Number(m_Float); - } + Type GetType() const override; + CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const override; CFX_ByteString GetString() const override; - FX_FLOAT GetNumber() const override { - return m_bInteger ? static_cast<FX_FLOAT>(m_Integer) : m_Float; - } - int GetInteger() const override { - return m_bInteger ? m_Integer : static_cast<int>(m_Float); - } + FX_FLOAT GetNumber() const override; + int GetInteger() const override; void SetString(const CFX_ByteString& str) override; - bool IsNumber() const override { return true; } - CPDF_Number* AsNumber() override { return this; } - const CPDF_Number* AsNumber() const override { return this; } + bool IsNumber() const override; + CPDF_Number* AsNumber() override; + const CPDF_Number* AsNumber() const override; FX_BOOL IsInteger() { return m_bInteger; } protected: - ~CPDF_Number() {} + ~CPDF_Number() override; FX_BOOL m_bInteger; - union { int m_Integer; - FX_FLOAT m_Float; }; }; @@ -194,24 +178,20 @@ class CPDF_String : public CPDF_Object { explicit CPDF_String(const CFX_WideString& str); // CPDF_Object. - Type GetType() const override { return STRING; } - CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const override { - return new CPDF_String(m_String, m_bHex); - } - CFX_ByteString GetString() const override { return m_String; } - CFX_ByteStringC GetConstString() const override { - return CFX_ByteStringC(m_String); - } + Type GetType() const override; + CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const override; + CFX_ByteString GetString() const override; + CFX_ByteStringC GetConstString() const override; CFX_WideString GetUnicodeText() const override; - void SetString(const CFX_ByteString& str) override { m_String = str; } - bool IsString() const override { return true; } - CPDF_String* AsString() override { return this; } - const CPDF_String* AsString() const override { return this; } + void SetString(const CFX_ByteString& str) override; + bool IsString() const override; + CPDF_String* AsString() override; + const CPDF_String* AsString() const override; FX_BOOL IsHex() const { return m_bHex; } protected: - ~CPDF_String() {} + ~CPDF_String() override; CFX_ByteString m_String; FX_BOOL m_bHex; @@ -232,22 +212,18 @@ class CPDF_Name : public CPDF_Object { explicit CPDF_Name(const FX_CHAR* str) : m_Name(str) {} // CPDF_Object. - Type GetType() const override { return NAME; } - CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const override { - return new CPDF_Name(m_Name); - } - CFX_ByteString GetString() const override { return m_Name; } - CFX_ByteStringC GetConstString() const override { - return CFX_ByteStringC(m_Name); - } + Type GetType() const override; + CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const override; + CFX_ByteString GetString() const override; + CFX_ByteStringC GetConstString() const override; CFX_WideString GetUnicodeText() const override; - void SetString(const CFX_ByteString& str) override { m_Name = str; } - bool IsName() const override { return true; } - CPDF_Name* AsName() override { return this; } - const CPDF_Name* AsName() const override { return this; } + void SetString(const CFX_ByteString& str) override; + bool IsName() const override; + CPDF_Name* AsName() override; + const CPDF_Name* AsName() const override; protected: - ~CPDF_Name() {} + ~CPDF_Name() override; CFX_ByteString m_Name; }; @@ -262,19 +238,15 @@ inline const CPDF_Name* ToName(const CPDF_Object* obj) { class CPDF_Array : public CPDF_Object { public: - CPDF_Array() {} + CPDF_Array(); // CPDF_Object. - Type GetType() const override { return ARRAY; } + Type GetType() const override; CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const override; - CPDF_Array* GetArray() const override { - // The method should be made non-const if we want to not be const. - // See bug #234. - return const_cast<CPDF_Array*>(this); - } - bool IsArray() const override { return true; } - CPDF_Array* AsArray() override { return this; } - const CPDF_Array* AsArray() const override { return this; } + CPDF_Array* GetArray() const override; + bool IsArray() const override; + CPDF_Array* AsArray() override; + const CPDF_Array* AsArray() const override; FX_DWORD GetCount() const { return m_Objects.GetSize(); } CPDF_Object* GetElement(FX_DWORD index) const; @@ -309,7 +281,7 @@ class CPDF_Array : public CPDF_Object { } protected: - ~CPDF_Array(); + ~CPDF_Array() override; CFX_ArrayTemplate<CPDF_Object*> m_Objects; }; @@ -327,19 +299,15 @@ class CPDF_Dictionary : public CPDF_Object { using iterator = std::map<CFX_ByteString, CPDF_Object*>::iterator; using const_iterator = std::map<CFX_ByteString, CPDF_Object*>::const_iterator; - CPDF_Dictionary() {} + CPDF_Dictionary(); // CPDF_Object. - Type GetType() const override { return DICTIONARY; } + Type GetType() const override; CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const override; - CPDF_Dictionary* GetDict() const override { - // The method should be made non-const if we want to not be const. - // See bug #234. - return const_cast<CPDF_Dictionary*>(this); - } - bool IsDictionary() const override { return true; } - CPDF_Dictionary* AsDictionary() override { return this; } - const CPDF_Dictionary* AsDictionary() const override { return this; } + CPDF_Dictionary* GetDict() const override; + bool IsDictionary() const override; + CPDF_Dictionary* AsDictionary() override; + const CPDF_Dictionary* AsDictionary() const override; size_t GetCount() const { return m_Map.size(); } CPDF_Object* GetElement(const CFX_ByteStringC& key) const; @@ -401,7 +369,7 @@ class CPDF_Dictionary : public CPDF_Object { const_iterator end() const { return m_Map.end(); } protected: - ~CPDF_Dictionary(); + ~CPDF_Dictionary() override; std::map<CFX_ByteString, CPDF_Object*> m_Map; }; @@ -419,13 +387,13 @@ class CPDF_Stream : public CPDF_Object { CPDF_Stream(uint8_t* pData, FX_DWORD size, CPDF_Dictionary* pDict); // CPDF_Object. - Type GetType() const override { return STREAM; } + Type GetType() const override; CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const override; - CPDF_Dictionary* GetDict() const override { return m_pDict; } + CPDF_Dictionary* GetDict() const override; CFX_WideString GetUnicodeText() const override; - bool IsStream() const override { return true; } - CPDF_Stream* AsStream() override { return this; } - const CPDF_Stream* AsStream() const override { return this; } + bool IsStream() const override; + CPDF_Stream* AsStream() override; + const CPDF_Stream* AsStream() const override; FX_DWORD GetRawSize() const { return m_dwSize; } uint8_t* GetRawData() const { return m_pDataBuf; } @@ -447,7 +415,7 @@ class CPDF_Stream : public CPDF_Object { protected: static const FX_DWORD kMemoryBasedGenNum = (FX_DWORD)-1; - ~CPDF_Stream(); + ~CPDF_Stream() override; void InitStreamInternal(CPDF_Dictionary* pDict); @@ -505,10 +473,8 @@ class CPDF_Null : public CPDF_Object { CPDF_Null() {} // CPDF_Object. - Type GetType() const override { return NULLOBJ; } - CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const override { - return new CPDF_Null; - } + Type GetType() const override; + CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const override; }; class CPDF_Reference : public CPDF_Object { @@ -517,33 +483,19 @@ class CPDF_Reference : public CPDF_Object { : m_pObjList(pDoc), m_RefObjNum(objnum) {} // CPDF_Object. - Type GetType() const override { return REFERENCE; } + Type GetType() const override; CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const override; CPDF_Object* GetDirect() const override; - CFX_ByteString GetString() const override { - CPDF_Object* obj = SafeGetDirect(); - return obj ? obj->GetString() : CFX_ByteString(); - } - CFX_ByteStringC GetConstString() const override { - CPDF_Object* obj = SafeGetDirect(); - return obj ? obj->GetConstString() : CFX_ByteStringC(); - } - FX_FLOAT GetNumber() const override { - CPDF_Object* obj = SafeGetDirect(); - return obj ? obj->GetNumber() : 0; - } - int GetInteger() const override { - CPDF_Object* obj = SafeGetDirect(); - return obj ? obj->GetInteger() : 0; - } - CPDF_Dictionary* GetDict() const override { - CPDF_Object* obj = SafeGetDirect(); - return obj ? obj->GetDict() : nullptr; - } + CFX_ByteString GetString() const override; + CFX_ByteStringC GetConstString() const override; + FX_FLOAT GetNumber() const override; + int GetInteger() const override; + CPDF_Dictionary* GetDict() const override; + // TODO(weili): check whether GetUnicodeText() and GetArray() are needed. - bool IsReference() const override { return true; } - CPDF_Reference* AsReference() override { return this; } - const CPDF_Reference* AsReference() const override { return this; } + bool IsReference() const override; + CPDF_Reference* AsReference() override; + const CPDF_Reference* AsReference() const override; CPDF_IndirectObjectHolder* GetObjList() const { return m_pObjList; } FX_DWORD GetRefObjNum() const { return m_RefObjNum; } @@ -551,7 +503,7 @@ class CPDF_Reference : public CPDF_Object { void SetRef(CPDF_IndirectObjectHolder* pDoc, FX_DWORD objnum); protected: - ~CPDF_Reference() {} + ~CPDF_Reference() override; CPDF_Object* SafeGetDirect() const { CPDF_Object* obj = GetDirect(); if (!obj || obj->IsReference()) diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp index c3b0ebde63..bed70ebd5d 100644 --- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp +++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp @@ -12,6 +12,12 @@ #include "core/include/fxcrt/fx_string.h" #include "third_party/base/stl_util.h" +CPDF_Object::~CPDF_Object() {} + +CPDF_Object* CPDF_Object::GetDirect() const { + return const_cast<CPDF_Object*>(this); +} + void CPDF_Object::Release() { if (m_ObjNum) { return; @@ -19,10 +25,202 @@ void CPDF_Object::Release() { Destroy(); } +CFX_ByteString CPDF_Object::GetString() const { + return CFX_ByteString(); +} + +CFX_ByteStringC CPDF_Object::GetConstString() const { + return CFX_ByteStringC(); +} + +CFX_WideString CPDF_Object::GetUnicodeText() const { + return CFX_WideString(); +} + +FX_FLOAT CPDF_Object::GetNumber() const { + return 0; +} + +int CPDF_Object::GetInteger() const { + return 0; +} + +CPDF_Dictionary* CPDF_Object::GetDict() const { + return nullptr; +} + +CPDF_Array* CPDF_Object::GetArray() const { + return nullptr; +} + +void CPDF_Object::SetString(const CFX_ByteString& str) { + ASSERT(FALSE); +} + +bool CPDF_Object::IsArray() const { + return false; +} + +bool CPDF_Object::IsBoolean() const { + return false; +} + +bool CPDF_Object::IsDictionary() const { + return false; +} + +bool CPDF_Object::IsName() const { + return false; +} + +bool CPDF_Object::IsNumber() const { + return false; +} + +bool CPDF_Object::IsReference() const { + return false; +} + +bool CPDF_Object::IsStream() const { + return false; +} + +bool CPDF_Object::IsString() const { + return false; +} + +CPDF_Array* CPDF_Object::AsArray() { + return nullptr; +} + +const CPDF_Array* CPDF_Object::AsArray() const { + return nullptr; +} + +CPDF_Boolean* CPDF_Object::AsBoolean() { + return nullptr; +} + +const CPDF_Boolean* CPDF_Object::AsBoolean() const { + return nullptr; +} + +CPDF_Dictionary* CPDF_Object::AsDictionary() { + return nullptr; +} + +const CPDF_Dictionary* CPDF_Object::AsDictionary() const { + return nullptr; +} + +CPDF_Name* CPDF_Object::AsName() { + return nullptr; +} + +const CPDF_Name* CPDF_Object::AsName() const { + return nullptr; +} + +CPDF_Number* CPDF_Object::AsNumber() { + return nullptr; +} + +const CPDF_Number* CPDF_Object::AsNumber() const { + return nullptr; +} + +CPDF_Reference* CPDF_Object::AsReference() { + return nullptr; +} + +const CPDF_Reference* CPDF_Object::AsReference() const { + return nullptr; +} + +CPDF_Stream* CPDF_Object::AsStream() { + return nullptr; +} + +const CPDF_Stream* CPDF_Object::AsStream() const { + return nullptr; +} + +CPDF_String* CPDF_Object::AsString() { + return nullptr; +} + +const CPDF_String* CPDF_Object::AsString() const { + return nullptr; +} + +CPDF_Boolean::~CPDF_Boolean() {} + +CPDF_Object::Type CPDF_Boolean::GetType() const { + return BOOLEAN; +} + +CPDF_Object* CPDF_Boolean::Clone(FX_BOOL bDirect) const { + return new CPDF_Boolean(m_bValue); +} + +CFX_ByteString CPDF_Boolean::GetString() const { + return m_bValue ? "true" : "false"; +} + +int CPDF_Boolean::GetInteger() const { + return m_bValue; +} + +void CPDF_Boolean::SetString(const CFX_ByteString& str) { + m_bValue = (str == "true"); +} + +bool CPDF_Boolean::IsBoolean() const { + return true; +} + +CPDF_Boolean* CPDF_Boolean::AsBoolean() { + return this; +} + +const CPDF_Boolean* CPDF_Boolean::AsBoolean() const { + return this; +} + CPDF_Number::CPDF_Number(const CFX_ByteStringC& str) { FX_atonum(str, m_bInteger, &m_Integer); } +CPDF_Number::~CPDF_Number() {} + +CPDF_Object::Type CPDF_Number::GetType() const { + return NUMBER; +} + +CPDF_Object* CPDF_Number::Clone(FX_BOOL bDirect) const { + return m_bInteger ? new CPDF_Number(m_Integer) : new CPDF_Number(m_Float); +} + +FX_FLOAT CPDF_Number::GetNumber() const { + return m_bInteger ? static_cast<FX_FLOAT>(m_Integer) : m_Float; +} + +int CPDF_Number::GetInteger() const { + return m_bInteger ? m_Integer : static_cast<int>(m_Float); +} + +bool CPDF_Number::IsNumber() const { + return true; +} + +CPDF_Number* CPDF_Number::AsNumber() { + return this; +} + +const CPDF_Number* CPDF_Number::AsNumber() const { + return this; +} + void CPDF_Number::SetString(const CFX_ByteString& str) { FX_atonum(str, m_bInteger, &m_Integer); } @@ -36,14 +234,84 @@ CPDF_String::CPDF_String(const CFX_WideString& str) : m_bHex(FALSE) { m_String = PDF_EncodeText(str); } +CPDF_String::~CPDF_String() {} + +CPDF_Object::Type CPDF_String::GetType() const { + return STRING; +} + +CPDF_Object* CPDF_String::Clone(FX_BOOL bDirect) const { + return new CPDF_String(m_String, m_bHex); +} + +CFX_ByteString CPDF_String::GetString() const { + return m_String; +} + +CFX_ByteStringC CPDF_String::GetConstString() const { + return CFX_ByteStringC(m_String); +} + +void CPDF_String::SetString(const CFX_ByteString& str) { + m_String = str; +} + +bool CPDF_String::IsString() const { + return true; +} + +CPDF_String* CPDF_String::AsString() { + return this; +} + +const CPDF_String* CPDF_String::AsString() const { + return this; +} + CFX_WideString CPDF_String::GetUnicodeText() const { return PDF_DecodeText(m_String); } +CPDF_Name::~CPDF_Name() {} + +CPDF_Object::Type CPDF_Name::GetType() const { + return NAME; +} + +CPDF_Object* CPDF_Name::Clone(FX_BOOL bDirect) const { + return new CPDF_Name(m_Name); +} + +CFX_ByteString CPDF_Name::GetString() const { + return m_Name; +} + +CFX_ByteStringC CPDF_Name::GetConstString() const { + return CFX_ByteStringC(m_Name); +} + +void CPDF_Name::SetString(const CFX_ByteString& str) { + m_Name = str; +} + +bool CPDF_Name::IsName() const { + return true; +} + +CPDF_Name* CPDF_Name::AsName() { + return this; +} + +const CPDF_Name* CPDF_Name::AsName() const { + return this; +} + CFX_WideString CPDF_Name::GetUnicodeText() const { return PDF_DecodeText(m_Name); } +CPDF_Array::CPDF_Array() {} + CPDF_Array::~CPDF_Array() { int size = m_Objects.GetSize(); CPDF_Object** pList = m_Objects.GetData(); @@ -53,6 +321,28 @@ CPDF_Array::~CPDF_Array() { } } +CPDF_Object::Type CPDF_Array::GetType() const { + return ARRAY; +} + +CPDF_Array* CPDF_Array::GetArray() const { + // The method should be made non-const if we want to not be const. + // See bug #234. + return const_cast<CPDF_Array*>(this); +} + +bool CPDF_Array::IsArray() const { + return true; +} + +CPDF_Array* CPDF_Array::AsArray() { + return this; +} + +const CPDF_Array* CPDF_Array::AsArray() const { + return this; +} + CPDF_Object* CPDF_Array::Clone(FX_BOOL bDirect) const { CPDF_Array* pCopy = new CPDF_Array(); for (int i = 0; i < GetCount(); i++) { @@ -214,12 +504,36 @@ void CPDF_Array::AddReference(CPDF_IndirectObjectHolder* pDoc, Add(new CPDF_Reference(pDoc, objnum)); } +CPDF_Dictionary::CPDF_Dictionary() {} + CPDF_Dictionary::~CPDF_Dictionary() { for (const auto& it : m_Map) { it.second->Release(); } } +CPDF_Object::Type CPDF_Dictionary::GetType() const { + return DICTIONARY; +} + +CPDF_Dictionary* CPDF_Dictionary::GetDict() const { + // The method should be made non-const if we want to not be const. + // See bug #234. + return const_cast<CPDF_Dictionary*>(this); +} + +bool CPDF_Dictionary::IsDictionary() const { + return true; +} + +CPDF_Dictionary* CPDF_Dictionary::AsDictionary() { + return this; +} + +const CPDF_Dictionary* CPDF_Dictionary::AsDictionary() const { + return this; +} + CPDF_Object* CPDF_Dictionary::Clone(FX_BOOL bDirect) const { CPDF_Dictionary* pCopy = new CPDF_Dictionary(); for (const auto& it : *this) @@ -477,6 +791,26 @@ CPDF_Stream::~CPDF_Stream() { m_pDict->Release(); } +CPDF_Object::Type CPDF_Stream::GetType() const { + return STREAM; +} + +CPDF_Dictionary* CPDF_Stream::GetDict() const { + return m_pDict; +} + +bool CPDF_Stream::IsStream() const { + return true; +} + +CPDF_Stream* CPDF_Stream::AsStream() { + return this; +} + +const CPDF_Stream* CPDF_Stream::AsStream() const { + return this; +} + void CPDF_Stream::InitStreamInternal(CPDF_Dictionary* pDict) { if (pDict) { if (m_pDict) @@ -665,6 +999,57 @@ uint8_t* CPDF_StreamAcc::DetachData() { return p; } +CPDF_Object::Type CPDF_Null::GetType() const { + return NULLOBJ; +} + +CPDF_Object* CPDF_Null::Clone(FX_BOOL bDirect) const { + return new CPDF_Null; +} + +CPDF_Reference::~CPDF_Reference() {} + +CPDF_Object::Type CPDF_Reference::GetType() const { + return REFERENCE; +} + +CFX_ByteString CPDF_Reference::GetString() const { + CPDF_Object* obj = SafeGetDirect(); + return obj ? obj->GetString() : CFX_ByteString(); +} + +CFX_ByteStringC CPDF_Reference::GetConstString() const { + CPDF_Object* obj = SafeGetDirect(); + return obj ? obj->GetConstString() : CFX_ByteStringC(); +} + +FX_FLOAT CPDF_Reference::GetNumber() const { + CPDF_Object* obj = SafeGetDirect(); + return obj ? obj->GetNumber() : 0; +} + +int CPDF_Reference::GetInteger() const { + CPDF_Object* obj = SafeGetDirect(); + return obj ? obj->GetInteger() : 0; +} + +CPDF_Dictionary* CPDF_Reference::GetDict() const { + CPDF_Object* obj = SafeGetDirect(); + return obj ? obj->GetDict() : nullptr; +} + +bool CPDF_Reference::IsReference() const { + return true; +} + +CPDF_Reference* CPDF_Reference::AsReference() { + return this; +} + +const CPDF_Reference* CPDF_Reference::AsReference() const { + return this; +} + CPDF_Object* CPDF_Reference::Clone(FX_BOOL bDirect) const { if (bDirect) { auto* pDirect = GetDirect(); |