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-rw-r--r--core/include/fpdfapi/fpdf_objects.h11
-rw-r--r--core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp5
-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_document.cpp11
-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp41
-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp51
-rw-r--r--core/src/fpdfdoc/doc_basic.cpp18
-rw-r--r--core/src/fpdfdoc/doc_formfield.cpp8
-rw-r--r--core/src/fpdfdoc/doc_tagged.cpp17
8 files changed, 85 insertions, 77 deletions
diff --git a/core/include/fpdfapi/fpdf_objects.h b/core/include/fpdfapi/fpdf_objects.h
index 17aba67deb..41b457799b 100644
--- a/core/include/fpdfapi/fpdf_objects.h
+++ b/core/include/fpdfapi/fpdf_objects.h
@@ -82,6 +82,7 @@ class CPDF_Object {
bool IsBoolean() const { return m_Type == PDFOBJ_BOOLEAN; }
bool IsDictionary() const { return m_Type == PDFOBJ_DICTIONARY; }
+ bool IsNumber() const { return m_Type == PDFOBJ_NUMBER; }
CPDF_Boolean* AsBoolean();
const CPDF_Boolean* AsBoolean() const;
@@ -89,6 +90,9 @@ class CPDF_Object {
CPDF_Dictionary* AsDictionary();
const CPDF_Dictionary* AsDictionary() const;
+ CPDF_Number* AsNumber();
+ const CPDF_Number* AsNumber() const;
+
protected:
CPDF_Object(FX_DWORD type) : m_Type(type), m_ObjNum(0), m_GenNum(0) {}
~CPDF_Object() {}
@@ -180,6 +184,13 @@ class CPDF_Number : public CPDF_Object {
};
friend class CPDF_Object;
};
+inline CPDF_Number* ToNumber(CPDF_Object* obj) {
+ return obj ? obj->AsNumber() : nullptr;
+}
+inline const CPDF_Number* ToNumber(const CPDF_Object* obj) {
+ return obj ? obj->AsNumber() : nullptr;
+}
+
class CPDF_String : public CPDF_Object {
public:
static CPDF_String* Create(const CFX_ByteString& str, FX_BOOL bHex = FALSE) {
diff --git a/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp b/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp
index 054cf10c22..3d669a0410 100644
--- a/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp
+++ b/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp
@@ -937,9 +937,10 @@ int32_t CPDF_Creator::WriteIndirectObjectToStream(const CPDF_Object* pObj) {
m_pParser->m_ObjVersion[objnum] > 0) {
return 1;
}
- if (pObj->GetType() == PDFOBJ_NUMBER) {
+
+ if (pObj->IsNumber())
return 1;
- }
+
CPDF_Dictionary* pDict = pObj->GetDict();
if (pObj->GetType() == PDFOBJ_STREAM) {
if (pDict && pDict->GetString(FX_BSTRC("Type")) == FX_BSTRC("XRef")) {
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_document.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_document.cpp
index 7f7f3d195f..c98f8da56f 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_document.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_document.cpp
@@ -70,18 +70,17 @@ void CPDF_Document::LoadAsynDoc(CPDF_Dictionary* pLinearized) {
}
FX_DWORD dwPageCount = 0;
CPDF_Object* pCount = pLinearized->GetElement(FX_BSTRC("N"));
- if (pCount && pCount->GetType() == PDFOBJ_NUMBER) {
+ if (ToNumber(pCount))
dwPageCount = pCount->GetInteger();
- }
+
m_PageList.SetSize(dwPageCount);
CPDF_Object* pNo = pLinearized->GetElement(FX_BSTRC("P"));
- if (pNo && pNo->GetType() == PDFOBJ_NUMBER) {
+ if (ToNumber(pNo))
m_dwFirstPageNo = pNo->GetInteger();
- }
+
CPDF_Object* pObjNum = pLinearized->GetElement(FX_BSTRC("O"));
- if (pObjNum && pObjNum->GetType() == PDFOBJ_NUMBER) {
+ if (ToNumber(pObjNum))
m_dwFirstPageObjNum = pObjNum->GetInteger();
- }
}
void CPDF_Document::LoadPages() {
m_PageList.SetSize(_GetPageCount());
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp
index db7ffe3f12..a83d0e47b6 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp
@@ -28,7 +28,7 @@ void CPDF_Object::Destroy() {
delete (CPDF_Array*)this;
break;
case PDFOBJ_DICTIONARY:
- delete this->AsDictionary();
+ delete AsDictionary();
break;
case PDFOBJ_STREAM:
delete (CPDF_Stream*)this;
@@ -42,7 +42,7 @@ CFX_ByteString CPDF_Object::GetString() const {
case PDFOBJ_BOOLEAN:
return AsBoolean()->m_bValue ? "true" : "false";
case PDFOBJ_NUMBER:
- return ((CPDF_Number*)this)->GetString();
+ return AsNumber()->GetString();
case PDFOBJ_STRING:
return ((CPDF_String*)this)->m_String;
case PDFOBJ_NAME:
@@ -88,7 +88,7 @@ CFX_ByteStringC CPDF_Object::GetConstString() const {
FX_FLOAT CPDF_Object::GetNumber() const {
switch (m_Type) {
case PDFOBJ_NUMBER:
- return ((CPDF_Number*)this)->GetNumber();
+ return AsNumber()->GetNumber();
case PDFOBJ_REFERENCE: {
CPDF_Reference* pRef = (CPDF_Reference*)(void*)this;
if (pRef->m_pObjList == NULL) {
@@ -114,9 +114,9 @@ int CPDF_Object::GetInteger() const {
}
switch (m_Type) {
case PDFOBJ_BOOLEAN:
- return this->AsBoolean()->m_bValue;
+ return AsBoolean()->m_bValue;
case PDFOBJ_NUMBER:
- return ((CPDF_Number*)this)->GetInteger();
+ return AsNumber()->GetInteger();
case PDFOBJ_REFERENCE: {
CPDF_Reference* pRef = (CPDF_Reference*)(void*)this;
PARSE_CONTEXT context;
@@ -140,7 +140,7 @@ CPDF_Dictionary* CPDF_Object::GetDict() const {
case PDFOBJ_DICTIONARY:
// The method should be made non-const if we want to not be const.
// See bug #234.
- return const_cast<CPDF_Dictionary*>(this->AsDictionary());
+ return const_cast<CPDF_Dictionary*>(AsDictionary());
case PDFOBJ_STREAM:
return ((CPDF_Stream*)this)->GetDict();
case PDFOBJ_REFERENCE: {
@@ -171,7 +171,7 @@ void CPDF_Object::SetString(const CFX_ByteString& str) {
AsBoolean()->m_bValue = (str == FX_BSTRC("true"));
return;
case PDFOBJ_NUMBER:
- ((CPDF_Number*)this)->SetString(str);
+ AsNumber()->SetString(str);
return;
case PDFOBJ_STRING:
((CPDF_String*)this)->m_String = str;
@@ -207,9 +207,9 @@ FX_BOOL CPDF_Object::IsIdentical(CPDF_Object* pOther) const {
}
switch (m_Type) {
case PDFOBJ_BOOLEAN:
- return this->AsBoolean()->Identical(pOther->AsBoolean());
+ return AsBoolean()->Identical(pOther->AsBoolean());
case PDFOBJ_NUMBER:
- return (((CPDF_Number*)this)->Identical((CPDF_Number*)pOther));
+ return AsNumber()->Identical(pOther->AsNumber());
case PDFOBJ_STRING:
return (((CPDF_String*)this)->Identical((CPDF_String*)pOther));
case PDFOBJ_NAME:
@@ -217,7 +217,7 @@ FX_BOOL CPDF_Object::IsIdentical(CPDF_Object* pOther) const {
case PDFOBJ_ARRAY:
return (((CPDF_Array*)this)->Identical((CPDF_Array*)pOther));
case PDFOBJ_DICTIONARY:
- return this->AsDictionary()->Identical(pOther->AsDictionary());
+ return AsDictionary()->Identical(pOther->AsDictionary());
case PDFOBJ_NULL:
return TRUE;
case PDFOBJ_STREAM:
@@ -245,11 +245,12 @@ CPDF_Object* CPDF_Object::CloneInternal(FX_BOOL bDirect,
CFX_MapPtrToPtr* visited) const {
switch (m_Type) {
case PDFOBJ_BOOLEAN:
- return new CPDF_Boolean(this->AsBoolean()->m_bValue);
- case PDFOBJ_NUMBER:
- if (((CPDF_Number*)this)->m_bInteger)
- return new CPDF_Number(((CPDF_Number*)this)->m_Integer);
- return new CPDF_Number(((CPDF_Number*)this)->m_Float);
+ return new CPDF_Boolean(AsBoolean()->m_bValue);
+ case PDFOBJ_NUMBER: {
+ const CPDF_Number* pThis = AsNumber();
+ return new CPDF_Number(pThis->m_bInteger ? pThis->m_Integer
+ : pThis->m_Float);
+ }
case PDFOBJ_STRING:
return new CPDF_String(((CPDF_String*)this)->m_String,
((CPDF_String*)this)->IsHex());
@@ -267,7 +268,7 @@ CPDF_Object* CPDF_Object::CloneInternal(FX_BOOL bDirect,
}
case PDFOBJ_DICTIONARY: {
CPDF_Dictionary* pCopy = new CPDF_Dictionary();
- const CPDF_Dictionary* pThis = this->AsDictionary();
+ const CPDF_Dictionary* pThis = AsDictionary();
FX_POSITION pos = pThis->m_Map.GetStartPosition();
while (pos) {
CFX_ByteString key;
@@ -354,6 +355,14 @@ const CPDF_Dictionary* CPDF_Object::AsDictionary() const {
return IsDictionary() ? static_cast<const CPDF_Dictionary*>(this) : nullptr;
}
+CPDF_Number* CPDF_Object::AsNumber() {
+ return IsNumber() ? static_cast<CPDF_Number*>(this) : nullptr;
+}
+
+const CPDF_Number* CPDF_Object::AsNumber() const {
+ return IsNumber() ? static_cast<const CPDF_Number*>(this) : nullptr;
+}
+
CPDF_Number::CPDF_Number(int value)
: CPDF_Object(PDFOBJ_NUMBER), m_bInteger(TRUE), m_Integer(value) {}
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
index 6839c07c07..036b293792 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
@@ -45,10 +45,8 @@ int32_t GetHeaderOffset(IFX_FileRead* pFile) {
}
int32_t GetDirectInteger(CPDF_Dictionary* pDict, const CFX_ByteStringC& key) {
- CPDF_Object* pObj = pDict->GetElement(key);
- if (pObj && (pObj->GetType() == PDFOBJ_NUMBER))
- return ((CPDF_Number*)pObj)->GetInteger();
- return 0;
+ CPDF_Number* pObj = ToNumber(pDict->GetElement(key));
+ return pObj ? pObj->GetInteger() : 0;
}
bool CheckDirectType(CPDF_Dictionary* pDict,
@@ -1048,8 +1046,7 @@ FX_BOOL CPDF_Parser::LoadCrossRefV5(FX_FILESIZE pos,
for (FX_DWORD i = 0; i < nPairSize; i++) {
CPDF_Object* pStartNumObj = pArray->GetElement(i * 2);
CPDF_Object* pCountObj = pArray->GetElement(i * 2 + 1);
- if (pStartNumObj && pStartNumObj->GetType() == PDFOBJ_NUMBER &&
- pCountObj && pCountObj->GetType() == PDFOBJ_NUMBER) {
+ if (ToNumber(pStartNumObj) && ToNumber(pCountObj)) {
int nStartNum = pStartNumObj->GetInteger();
int nCount = pCountObj->GetInteger();
if (nStartNum >= 0 && nCount > 0) {
@@ -1551,10 +1548,12 @@ FX_BOOL CPDF_Parser::IsLinearizedFile(IFX_FileRead* pFileAccess,
if (!m_pLinearized) {
return FALSE;
}
- if (m_pLinearized->GetDict() &&
- m_pLinearized->GetDict()->GetElement(FX_BSTRC("Linearized"))) {
+
+ CPDF_Dictionary* pDict = m_pLinearized->GetDict();
+ if (pDict && pDict->GetElement(FX_BSTRC("Linearized"))) {
m_Syntax.GetNextWord(bIsNumber);
- CPDF_Object* pLen = m_pLinearized->GetDict()->GetElement(FX_BSTRC("L"));
+
+ CPDF_Object* pLen = pDict->GetElement(FX_BSTRC("L"));
if (!pLen) {
m_pLinearized->Release();
m_pLinearized = NULL;
@@ -1563,14 +1562,13 @@ FX_BOOL CPDF_Parser::IsLinearizedFile(IFX_FileRead* pFileAccess,
if (pLen->GetInteger() != (int)pFileAccess->GetSize()) {
return FALSE;
}
- CPDF_Object* pNo = m_pLinearized->GetDict()->GetElement(FX_BSTRC("P"));
- if (pNo && pNo->GetType() == PDFOBJ_NUMBER) {
+
+ if (CPDF_Number* pNo = ToNumber(pDict->GetElement(FX_BSTRC("P"))))
m_dwFirstPageNo = pNo->GetInteger();
- }
- CPDF_Object* pTable = m_pLinearized->GetDict()->GetElement(FX_BSTRC("T"));
- if (pTable && pTable->GetType() == PDFOBJ_NUMBER) {
+
+ if (CPDF_Number* pTable = ToNumber(pDict->GetElement(FX_BSTRC("T"))))
m_LastXRefOffset = pTable->GetInteger();
- }
+
return TRUE;
}
m_pLinearized->Release();
@@ -3627,7 +3625,7 @@ FX_BOOL CPDF_DataAvail::CheckFirstPage(IFX_DownloadHints* pHints) {
return FALSE;
}
FX_BOOL bNeedDownLoad = FALSE;
- if (pEndOffSet->GetType() == PDFOBJ_NUMBER) {
+ if (pEndOffSet->IsNumber()) {
FX_DWORD dwEnd = pEndOffSet->GetInteger();
dwEnd += 512;
if ((FX_FILESIZE)dwEnd > m_dwFileLen) {
@@ -3642,12 +3640,12 @@ FX_BOOL CPDF_DataAvail::CheckFirstPage(IFX_DownloadHints* pHints) {
}
m_dwLastXRefOffset = 0;
FX_FILESIZE dwFileLen = 0;
- if (pXRefOffset->GetType() == PDFOBJ_NUMBER) {
+ if (pXRefOffset->IsNumber())
m_dwLastXRefOffset = pXRefOffset->GetInteger();
- }
- if (pFileLen->GetType() == PDFOBJ_NUMBER) {
+
+ if (pFileLen->IsNumber())
dwFileLen = pFileLen->GetInteger();
- }
+
if (!m_pFileAvail->IsDataAvail(m_dwLastXRefOffset,
(FX_DWORD)(dwFileLen - m_dwLastXRefOffset))) {
if (m_docStatus == PDF_DATAAVAIL_FIRSTPAGE) {
@@ -3739,9 +3737,10 @@ FX_BOOL CPDF_DataAvail::IsLinearizedFile(uint8_t* pData, FX_DWORD dwLen) {
if (!m_pLinearized) {
return FALSE;
}
- if (m_pLinearized->GetDict() &&
- m_pLinearized->GetDict()->GetElement(FX_BSTRC("Linearized"))) {
- CPDF_Object* pLen = m_pLinearized->GetDict()->GetElement(FX_BSTRC("L"));
+
+ CPDF_Dictionary* pDict = m_pLinearized->GetDict();
+ if (pDict && pDict->GetElement(FX_BSTRC("Linearized"))) {
+ CPDF_Object* pLen = pDict->GetElement(FX_BSTRC("L"));
if (!pLen) {
return FALSE;
}
@@ -3749,10 +3748,10 @@ FX_BOOL CPDF_DataAvail::IsLinearizedFile(uint8_t* pData, FX_DWORD dwLen) {
return FALSE;
}
m_bLinearized = TRUE;
- CPDF_Object* pNo = m_pLinearized->GetDict()->GetElement(FX_BSTRC("P"));
- if (pNo && pNo->GetType() == PDFOBJ_NUMBER) {
+
+ if (CPDF_Number* pNo = ToNumber(pDict->GetElement(FX_BSTRC("P"))))
m_dwFirstPageNo = pNo->GetInteger();
- }
+
return TRUE;
}
return FALSE;
diff --git a/core/src/fpdfdoc/doc_basic.cpp b/core/src/fpdfdoc/doc_basic.cpp
index e3b630862c..bbf51139ad 100644
--- a/core/src/fpdfdoc/doc_basic.cpp
+++ b/core/src/fpdfdoc/doc_basic.cpp
@@ -11,15 +11,12 @@ int CPDF_Dest::GetPageIndex(CPDF_Document* pDoc) {
return 0;
}
CPDF_Object* pPage = ((CPDF_Array*)m_pObj)->GetElementValue(0);
- if (pPage == NULL) {
+ if (!pPage)
return 0;
- }
- if (pPage->GetType() == PDFOBJ_NUMBER) {
+ if (pPage->IsNumber())
return pPage->GetInteger();
- }
- if (!pPage->IsDictionary()) {
+ if (!pPage->IsDictionary())
return 0;
- }
return pDoc->GetPageIndex(pPage->GetObjNum());
}
FX_DWORD CPDF_Dest::GetPageObjNum() {
@@ -27,15 +24,12 @@ FX_DWORD CPDF_Dest::GetPageObjNum() {
return 0;
}
CPDF_Object* pPage = ((CPDF_Array*)m_pObj)->GetElementValue(0);
- if (pPage == NULL) {
+ if (!pPage)
return 0;
- }
- if (pPage->GetType() == PDFOBJ_NUMBER) {
+ if (pPage->IsNumber())
return pPage->GetInteger();
- }
- if (pPage->IsDictionary()) {
+ if (pPage->IsDictionary())
return pPage->GetObjNum();
- }
return 0;
}
const FX_CHAR* g_sZoomModes[] = {"XYZ", "Fit", "FitH", "FitV", "FitR",
diff --git a/core/src/fpdfdoc/doc_formfield.cpp b/core/src/fpdfdoc/doc_formfield.cpp
index 8c99cf4a78..aafc17f65c 100644
--- a/core/src/fpdfdoc/doc_formfield.cpp
+++ b/core/src/fpdfdoc/doc_formfield.cpp
@@ -431,7 +431,7 @@ int CPDF_FormField::CountSelectedItems() {
}
return 1;
}
- if (pValue->GetType() == PDFOBJ_NUMBER) {
+ if (pValue->IsNumber()) {
if (pValue->GetString().IsEmpty()) {
return 0;
}
@@ -450,9 +450,9 @@ int CPDF_FormField::GetSelectedIndex(int index) {
return -1;
}
}
- if (pValue->GetType() == PDFOBJ_NUMBER) {
+ if (pValue->IsNumber())
return pValue->GetInteger();
- }
+
CFX_WideString sel_value;
if (pValue->GetType() == PDFOBJ_STRING) {
if (index != 0) {
@@ -541,7 +541,7 @@ FX_BOOL CPDF_FormField::IsItemSelected(int index) {
}
return FALSE;
}
- if (pValue->GetType() == PDFOBJ_NUMBER) {
+ if (pValue->IsNumber()) {
if (pValue->GetString().IsEmpty()) {
return FALSE;
}
diff --git a/core/src/fpdfdoc/doc_tagged.cpp b/core/src/fpdfdoc/doc_tagged.cpp
index fb3a05d59f..d9d439f730 100644
--- a/core/src/fpdfdoc/doc_tagged.cpp
+++ b/core/src/fpdfdoc/doc_tagged.cpp
@@ -254,10 +254,10 @@ void CPDF_StructElementImpl::LoadKid(FX_DWORD PageObjNum,
CPDF_Object* pKidObj,
CPDF_StructKid* pKid) {
pKid->m_Type = CPDF_StructKid::Invalid;
- if (pKidObj == NULL) {
+ if (!pKidObj)
return;
- }
- if (pKidObj->GetType() == PDFOBJ_NUMBER) {
+
+ if (pKidObj->IsNumber()) {
if (m_pTree->m_pPage && m_pTree->m_pPage->GetObjNum() != PageObjNum) {
return;
}
@@ -266,6 +266,7 @@ void CPDF_StructElementImpl::LoadKid(FX_DWORD PageObjNum,
pKid->m_PageContent.m_PageObjNum = PageObjNum;
return;
}
+
CPDF_Dictionary* pKidDict = pKidObj->AsDictionary();
if (!pKidDict)
return;
@@ -441,10 +442,7 @@ FX_FLOAT CPDF_StructElementImpl::GetNumber(const CFX_ByteStringC& owner,
FX_BOOL bInheritable,
int subindex) {
CPDF_Object* pAttr = GetAttr(owner, name, bInheritable, subindex);
- if (pAttr == NULL || pAttr->GetType() != PDFOBJ_NUMBER) {
- return default_value;
- }
- return pAttr->GetNumber();
+ return ToNumber(pAttr) ? pAttr->GetNumber() : default_value;
}
int CPDF_StructElementImpl::GetInteger(const CFX_ByteStringC& owner,
const CFX_ByteStringC& name,
@@ -452,8 +450,5 @@ int CPDF_StructElementImpl::GetInteger(const CFX_ByteStringC& owner,
FX_BOOL bInheritable,
int subindex) {
CPDF_Object* pAttr = GetAttr(owner, name, bInheritable, subindex);
- if (pAttr == NULL || pAttr->GetType() != PDFOBJ_NUMBER) {
- return default_value;
- }
- return pAttr->GetInteger();
+ return ToNumber(pAttr) ? pAttr->GetInteger() : default_value;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 17:12:02 +0000