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-rw-r--r--core/include/fpdfapi/fpdf_objects.h258
1 files changed, 105 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())