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-rw-r--r--core/include/fpdfapi/fpdf_objects.h64
-rw-r--r--core/include/fpdfapi/fpdf_parser.h23
-rw-r--r--core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp30
-rw-r--r--core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp2
-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_document.cpp14
-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_fdf.cpp10
-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp146
-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp31
8 files changed, 141 insertions, 179 deletions
diff --git a/core/include/fpdfapi/fpdf_objects.h b/core/include/fpdfapi/fpdf_objects.h
index 5e17685e65..80d978ecd9 100644
--- a/core/include/fpdfapi/fpdf_objects.h
+++ b/core/include/fpdfapi/fpdf_objects.h
@@ -18,7 +18,7 @@ class CPDF_Boolean;
class CPDF_CryptoHandler;
class CPDF_Dictionary;
class CPDF_Document;
-class CPDF_IndirectObjects;
+class CPDF_IndirectObjectHolder;
class CPDF_Name;
class CPDF_Null;
class CPDF_Number;
@@ -54,7 +54,7 @@ class CPDF_Object {
CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const;
- CPDF_Object* CloneRef(CPDF_IndirectObjects* pObjs) const;
+ CPDF_Object* CloneRef(CPDF_IndirectObjectHolder* pObjs) const;
CPDF_Object* GetDirect() const;
@@ -128,7 +128,7 @@ class CPDF_Object {
FX_DWORD m_ObjNum;
FX_DWORD m_GenNum;
- friend class CPDF_IndirectObjects;
+ friend class CPDF_IndirectObjectHolder;
friend class CPDF_Parser;
friend class CPDF_SyntaxParser;
@@ -295,15 +295,15 @@ class CPDF_Array : public CPDF_Object {
void SetAt(FX_DWORD index,
CPDF_Object* pObj,
- CPDF_IndirectObjects* pObjs = NULL);
+ CPDF_IndirectObjectHolder* pObjs = NULL);
void InsertAt(FX_DWORD index,
CPDF_Object* pObj,
- CPDF_IndirectObjects* pObjs = NULL);
+ CPDF_IndirectObjectHolder* pObjs = NULL);
void RemoveAt(FX_DWORD index, int nCount = 1);
- void Add(CPDF_Object* pObj, CPDF_IndirectObjects* pObjs = NULL);
+ void Add(CPDF_Object* pObj, CPDF_IndirectObjectHolder* pObjs = NULL);
void AddNumber(FX_FLOAT f);
@@ -313,9 +313,9 @@ class CPDF_Array : public CPDF_Object {
void AddName(const CFX_ByteString& str);
- void AddReference(CPDF_IndirectObjects* pDoc, FX_DWORD objnum);
+ void AddReference(CPDF_IndirectObjectHolder* pDoc, FX_DWORD objnum);
- void AddReference(CPDF_IndirectObjects* pDoc, CPDF_Object* obj) {
+ void AddReference(CPDF_IndirectObjectHolder* pDoc, CPDF_Object* obj) {
AddReference(pDoc, obj->GetObjNum());
}
@@ -396,17 +396,17 @@ class CPDF_Dictionary : public CPDF_Object {
void SetAtNumber(const CFX_ByteStringC& key, FX_FLOAT f);
void SetAtReference(const CFX_ByteStringC& key,
- CPDF_IndirectObjects* pDoc,
+ CPDF_IndirectObjectHolder* pDoc,
FX_DWORD objnum);
void SetAtReference(const CFX_ByteStringC& key,
- CPDF_IndirectObjects* pDoc,
+ CPDF_IndirectObjectHolder* pDoc,
CPDF_Object* obj) {
SetAtReference(key, pDoc, obj->GetObjNum());
}
void AddReference(const CFX_ByteStringC& key,
- CPDF_IndirectObjects* pDoc,
+ CPDF_IndirectObjectHolder* pDoc,
FX_DWORD objnum);
void SetAtRect(const CFX_ByteStringC& key, const CFX_FloatRect& rect);
@@ -548,21 +548,21 @@ class CPDF_Null : public CPDF_Object {
class CPDF_Reference : public CPDF_Object {
public:
- CPDF_Reference(CPDF_IndirectObjects* pDoc, int objnum)
+ CPDF_Reference(CPDF_IndirectObjectHolder* pDoc, int objnum)
: CPDF_Object(PDFOBJ_REFERENCE), m_pObjList(pDoc), m_RefObjNum(objnum) {}
- CPDF_IndirectObjects* GetObjList() const { return m_pObjList; }
+ CPDF_IndirectObjectHolder* GetObjList() const { return m_pObjList; }
FX_DWORD GetRefObjNum() const { return m_RefObjNum; }
- void SetRef(CPDF_IndirectObjects* pDoc, FX_DWORD objnum);
+ void SetRef(CPDF_IndirectObjectHolder* pDoc, FX_DWORD objnum);
FX_BOOL Identical(CPDF_Reference* pOther) const {
return m_RefObjNum == pOther->m_RefObjNum;
}
protected:
- CPDF_IndirectObjects* m_pObjList;
+ CPDF_IndirectObjectHolder* m_pObjList;
FX_DWORD m_RefObjNum;
friend class CPDF_Object;
@@ -574,40 +574,32 @@ inline const CPDF_Reference* ToReference(const CPDF_Object* obj) {
return obj ? obj->AsReference() : nullptr;
}
-class CPDF_IndirectObjects {
+class CPDF_IndirectObjectHolder {
public:
- explicit CPDF_IndirectObjects(CPDF_Parser* pParser);
+ using iterator = std::map<FX_DWORD, CPDF_Object*>::iterator;
+ using const_iterator = std::map<FX_DWORD, CPDF_Object*>::const_iterator;
- ~CPDF_IndirectObjects();
-
- CPDF_Object* GetIndirectObject(FX_DWORD objnum, PARSE_CONTEXT* pContext);
+ explicit CPDF_IndirectObjectHolder(CPDF_Parser* pParser);
+ ~CPDF_IndirectObjectHolder();
int GetIndirectType(FX_DWORD objnum);
-
+ CPDF_Object* GetIndirectObject(FX_DWORD objnum, PARSE_CONTEXT* pContext);
FX_DWORD AddIndirectObject(CPDF_Object* pObj);
-
void ReleaseIndirectObject(FX_DWORD objnum);
+
// Takes ownership of |pObj|.
FX_BOOL InsertIndirectObject(FX_DWORD objnum, CPDF_Object* pObj);
- FX_DWORD GetLastObjNum() const;
-
- FX_POSITION GetStartPosition() const {
- return m_IndirectObjs.GetStartPosition();
- }
-
- void GetNextAssoc(FX_POSITION& rPos,
- FX_DWORD& objnum,
- CPDF_Object*& pObject) const {
- m_IndirectObjs.GetNextAssoc(rPos, (void*&)objnum, (void*&)pObject);
- }
+ FX_DWORD GetLastObjNum() const { return m_LastObjNum; }
+ iterator begin() { return m_IndirectObjs.begin(); }
+ const_iterator begin() const { return m_IndirectObjs.cbegin(); }
+ iterator end() { return m_IndirectObjs.end(); }
+ const_iterator end() const { return m_IndirectObjs.end(); }
protected:
- CFX_MapPtrToPtr m_IndirectObjs;
-
CPDF_Parser* m_pParser;
-
FX_DWORD m_LastObjNum;
+ std::map<FX_DWORD, CPDF_Object*> m_IndirectObjs;
};
#endif // CORE_INCLUDE_FPDFAPI_FPDF_OBJECTS_H_
diff --git a/core/include/fpdfapi/fpdf_parser.h b/core/include/fpdfapi/fpdf_parser.h
index e1901ebdce..32c1982907 100644
--- a/core/include/fpdfapi/fpdf_parser.h
+++ b/core/include/fpdfapi/fpdf_parser.h
@@ -64,7 +64,7 @@ inline bool PDFCharIsLineEnding(uint8_t c) {
// Indexed by 8-bit char code, contains unicode code points.
extern const FX_WORD PDFDocEncoding[256];
-class CPDF_Document : public CFX_PrivateData, public CPDF_IndirectObjects {
+class CPDF_Document : public CFX_PrivateData, public CPDF_IndirectObjectHolder {
public:
CPDF_Document();
explicit CPDF_Document(CPDF_Parser* pParser);
@@ -243,13 +243,13 @@ class CPDF_SyntaxParser {
void RestorePos(FX_FILESIZE pos) { m_Pos = pos; }
- CPDF_Object* GetObject(CPDF_IndirectObjects* pObjList,
+ CPDF_Object* GetObject(CPDF_IndirectObjectHolder* pObjList,
FX_DWORD objnum,
FX_DWORD gennum,
PARSE_CONTEXT* pContext,
FX_BOOL bDecrypt);
- CPDF_Object* GetObjectByStrict(CPDF_IndirectObjects* pObjList,
+ CPDF_Object* GetObjectByStrict(CPDF_IndirectObjectHolder* pObjList,
FX_DWORD objnum,
FX_DWORD gennum,
PARSE_CONTEXT* pContext);
@@ -403,7 +403,7 @@ class CPDF_Parser {
CPDF_Dictionary* GetEncryptDict() { return m_pEncryptDict; }
- CPDF_Object* ParseIndirectObject(CPDF_IndirectObjects* pObjList,
+ CPDF_Object* ParseIndirectObject(CPDF_IndirectObjectHolder* pObjList,
FX_DWORD objnum,
PARSE_CONTEXT* pContext = NULL);
FX_DWORD GetLastObjNum() const;
@@ -421,16 +421,17 @@ class CPDF_Parser {
int GetFileVersion() const { return m_FileVersion; }
FX_BOOL IsXRefStream() const { return m_bXRefStream; }
- CPDF_Object* ParseIndirectObjectAt(CPDF_IndirectObjects* pObjList,
+ CPDF_Object* ParseIndirectObjectAt(CPDF_IndirectObjectHolder* pObjList,
FX_FILESIZE pos,
FX_DWORD objnum,
PARSE_CONTEXT* pContext);
- CPDF_Object* ParseIndirectObjectAtByStrict(CPDF_IndirectObjects* pObjList,
- FX_FILESIZE pos,
- FX_DWORD objnum,
- PARSE_CONTEXT* pContext,
- FX_FILESIZE* pResultPos);
+ CPDF_Object* ParseIndirectObjectAtByStrict(
+ CPDF_IndirectObjectHolder* pObjList,
+ FX_FILESIZE pos,
+ FX_DWORD objnum,
+ PARSE_CONTEXT* pContext,
+ FX_FILESIZE* pResultPos);
FX_DWORD StartAsynParse(IFX_FileRead* pFile,
FX_BOOL bReParse = FALSE,
@@ -795,7 +796,7 @@ inline CFX_ByteString PDF_EncodeText(const CFX_WideString& str,
return PDF_EncodeText(str.c_str(), str.GetLength(), pCharMap);
}
FX_FLOAT PDF_ClipFloat(FX_FLOAT f);
-class CFDF_Document : public CPDF_IndirectObjects {
+class CFDF_Document : public CPDF_IndirectObjectHolder {
public:
static CFDF_Document* CreateNewDoc();
static CFDF_Document* ParseFile(IFX_FileRead* pFile,
diff --git a/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp b/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp
index 65bb3d985e..1ffcfbf0a3 100644
--- a/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp
+++ b/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp
@@ -11,6 +11,7 @@
#include "core/include/fxcrt/fx_ext.h"
#include "core/include/fpdfapi/fpdf_serial.h"
#include "core/include/fpdfapi/fpdf_parser.h"
+#include "third_party/base/stl_util.h"
#define PDF_OBJECTSTREAM_MAXLENGTH (256 * 1024)
#define PDF_XREFSTREAM_MAXSIZE 10000
@@ -1283,9 +1284,8 @@ int32_t CPDF_Creator::WriteOldIndirectObject(FX_DWORD objnum) {
return 0;
}
m_ObjectOffset[objnum] = m_Offset;
- void* valuetemp = NULL;
FX_BOOL bExistInMap =
- m_pDocument->m_IndirectObjs.Lookup((void*)(uintptr_t)objnum, valuetemp);
+ pdfium::ContainsKey(m_pDocument->m_IndirectObjs, objnum);
FX_BOOL bObjStm =
(m_pParser->m_V5Type[objnum] == 2) && m_pEncryptDict && !m_pXRefStream;
if (m_pParser->m_bVersionUpdated || m_bSecurityChanged || bExistInMap ||
@@ -1371,14 +1371,13 @@ int32_t CPDF_Creator::WriteNewObjs(FX_BOOL bIncremental, IFX_Pause* pPause) {
int32_t index = (int32_t)(uintptr_t)m_Pos;
while (index < iCount) {
FX_DWORD objnum = m_NewObjNumArray.ElementAt(index);
- CPDF_Object* pObj = NULL;
- m_pDocument->m_IndirectObjs.Lookup((void*)(uintptr_t)objnum, (void*&)pObj);
- if (NULL == pObj) {
+ auto it = m_pDocument->m_IndirectObjs.find(objnum);
+ if (it == m_pDocument->m_IndirectObjs.end()) {
++index;
continue;
}
m_ObjectOffset[objnum] = m_Offset;
- if (WriteIndirectObj(pObj)) {
+ if (WriteIndirectObj(it->second)) {
return -1;
}
index++;
@@ -1416,24 +1415,17 @@ void CPDF_Creator::InitOldObjNumOffsets() {
void CPDF_Creator::InitNewObjNumOffsets() {
FX_BOOL bIncremental = (m_dwFlags & FPDFCREATE_INCREMENTAL) != 0;
FX_BOOL bNoOriginal = (m_dwFlags & FPDFCREATE_NO_ORIGINAL) != 0;
- FX_POSITION pos = m_pDocument->m_IndirectObjs.GetStartPosition();
- while (pos) {
- size_t key = 0;
- CPDF_Object* pObj;
- m_pDocument->m_IndirectObjs.GetNextAssoc(pos, (void*&)key, (void*&)pObj);
- FX_DWORD objnum = (FX_DWORD)key;
- if (pObj->GetObjNum() == -1) {
+ for (const auto& pair : m_pDocument->m_IndirectObjs) {
+ if (pair.second->GetObjNum() == -1)
continue;
- }
if (bIncremental) {
- if (!pObj->IsModified()) {
+ if (!pair.second->IsModified())
continue;
- }
- } else if (m_pParser && m_pParser->IsValidObjectNumber(objnum) &&
- m_pParser->m_V5Type[objnum]) {
+ } else if (m_pParser && m_pParser->IsValidObjectNumber(pair.first) &&
+ m_pParser->m_V5Type[pair.first]) {
continue;
}
- AppendNewObjNum(objnum);
+ AppendNewObjNum(pair.first);
}
int32_t iCount = m_NewObjNumArray.GetSize();
if (iCount == 0) {
diff --git a/core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp b/core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp
index e1c39fbb16..9fa196fd34 100644
--- a/core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp
+++ b/core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp
@@ -10,7 +10,7 @@
#include "core/include/fpdfapi/fpdf_page.h"
#include "core/src/fpdfapi/fpdf_page/pageint.h"
-CPDF_Document::CPDF_Document() : CPDF_IndirectObjects(NULL) {
+CPDF_Document::CPDF_Document() : CPDF_IndirectObjectHolder(NULL) {
m_pRootDict = NULL;
m_pInfoDict = NULL;
m_bLinearized = FALSE;
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_document.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_document.cpp
index 7353bfab87..d8091e8861 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_document.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_document.cpp
@@ -9,7 +9,7 @@
#include "core/include/fpdfapi/fpdf_module.h"
CPDF_Document::CPDF_Document(CPDF_Parser* pParser)
- : CPDF_IndirectObjects(pParser) {
+ : CPDF_IndirectObjectHolder(pParser) {
ASSERT(pParser);
m_pRootDict = NULL;
m_pInfoDict = NULL;
@@ -332,13 +332,11 @@ FX_BOOL CPDF_Document::IsOwner() const {
return !m_pParser || m_pParser->IsOwner();
}
FX_BOOL CPDF_Document::IsFormStream(FX_DWORD objnum, FX_BOOL& bForm) const {
- {
- CPDF_Object* pObj;
- if (m_IndirectObjs.Lookup((void*)(uintptr_t)objnum, (void*&)pObj)) {
- CPDF_Stream* pStream = pObj->AsStream();
- bForm = pStream && pStream->GetDict()->GetString("Subtype") == "Form";
- return TRUE;
- }
+ auto it = m_IndirectObjs.find(objnum);
+ if (it != m_IndirectObjs.end()) {
+ CPDF_Stream* pStream = it->second->AsStream();
+ bForm = pStream && pStream->GetDict()->GetString("Subtype") == "Form";
+ return TRUE;
}
if (!m_pParser) {
bForm = FALSE;
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_fdf.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_fdf.cpp
index d0ca02c17b..5471449f14 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_fdf.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_fdf.cpp
@@ -8,7 +8,7 @@
#include "core/include/fpdfapi/fpdf_serial.h"
-CFDF_Document::CFDF_Document() : CPDF_IndirectObjects(NULL) {
+CFDF_Document::CFDF_Document() : CPDF_IndirectObjectHolder(NULL) {
m_pRootDict = NULL;
m_pFile = NULL;
m_bOwnFile = FALSE;
@@ -87,12 +87,8 @@ FX_BOOL CFDF_Document::WriteBuf(CFX_ByteTextBuf& buf) const {
return FALSE;
}
buf << "%FDF-1.2\r\n";
- FX_POSITION pos = m_IndirectObjs.GetStartPosition();
- while (pos) {
- size_t objnum;
- CPDF_Object* pObj;
- m_IndirectObjs.GetNextAssoc(pos, (void*&)objnum, (void*&)pObj);
- buf << (FX_DWORD)objnum << " 0 obj\r\n" << pObj << "\r\nendobj\r\n\r\n";
+ for (const auto& pair : m_IndirectObjs) {
+ buf << pair.first << " 0 obj\r\n" << pair.second << "\r\nendobj\r\n\r\n";
}
buf << "trailer\r\n<</Root " << m_pRootDict->GetObjNum()
<< " 0 R>>\r\n%%EOF\r\n";
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp
index 2cb81002fb..e0ce3faadf 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp
@@ -6,6 +6,8 @@
#include "core/include/fpdfapi/fpdf_objects.h"
+#include <algorithm>
+
#include "core/include/fpdfapi/fpdf_parser.h"
#include "core/include/fxcrt/fx_string.h"
#include "third_party/base/stl_util.h"
@@ -147,7 +149,7 @@ CPDF_Dictionary* CPDF_Object::GetDict() const {
return AsStream()->GetDict();
case PDFOBJ_REFERENCE: {
const CPDF_Reference* pRef = AsReference();
- CPDF_IndirectObjects* pIndirect = pRef->GetObjList();
+ CPDF_IndirectObjectHolder* pIndirect = pRef->GetObjList();
if (!pIndirect)
return nullptr;
CPDF_Object* pObj =
@@ -300,7 +302,7 @@ CPDF_Object* CPDF_Object::CloneInternal(FX_BOOL bDirect,
}
return NULL;
}
-CPDF_Object* CPDF_Object::CloneRef(CPDF_IndirectObjects* pDoc) const {
+CPDF_Object* CPDF_Object::CloneRef(CPDF_IndirectObjectHolder* pDoc) const {
if (m_ObjNum) {
return new CPDF_Reference(pDoc, m_ObjNum);
}
@@ -513,7 +515,7 @@ void CPDF_Array::RemoveAt(FX_DWORD i, int nCount) {
}
void CPDF_Array::SetAt(FX_DWORD i,
CPDF_Object* pObj,
- CPDF_IndirectObjects* pObjs) {
+ CPDF_IndirectObjectHolder* pObjs) {
ASSERT(IsArray());
ASSERT(i < (FX_DWORD)m_Objects.GetSize());
if (i >= (FX_DWORD)m_Objects.GetSize())
@@ -528,14 +530,14 @@ void CPDF_Array::SetAt(FX_DWORD i,
}
void CPDF_Array::InsertAt(FX_DWORD index,
CPDF_Object* pObj,
- CPDF_IndirectObjects* pObjs) {
+ CPDF_IndirectObjectHolder* pObjs) {
if (pObj->GetObjNum()) {
ASSERT(pObjs);
pObj = new CPDF_Reference(pObjs, pObj->GetObjNum());
}
m_Objects.InsertAt(index, pObj);
}
-void CPDF_Array::Add(CPDF_Object* pObj, CPDF_IndirectObjects* pObjs) {
+void CPDF_Array::Add(CPDF_Object* pObj, CPDF_IndirectObjectHolder* pObjs) {
if (pObj->GetObjNum()) {
ASSERT(pObjs);
pObj = new CPDF_Reference(pObjs, pObj->GetObjNum());
@@ -560,7 +562,8 @@ void CPDF_Array::AddNumber(FX_FLOAT f) {
pNumber->SetNumber(f);
Add(pNumber);
}
-void CPDF_Array::AddReference(CPDF_IndirectObjects* pDoc, FX_DWORD objnum) {
+void CPDF_Array::AddReference(CPDF_IndirectObjectHolder* pDoc,
+ FX_DWORD objnum) {
ASSERT(IsArray());
Add(new CPDF_Reference(pDoc, objnum));
}
@@ -765,12 +768,12 @@ void CPDF_Dictionary::SetAtString(const CFX_ByteStringC& key,
SetAt(key, new CPDF_String(str, FALSE));
}
void CPDF_Dictionary::SetAtReference(const CFX_ByteStringC& key,
- CPDF_IndirectObjects* pDoc,
+ CPDF_IndirectObjectHolder* pDoc,
FX_DWORD objnum) {
SetAt(key, new CPDF_Reference(pDoc, objnum));
}
void CPDF_Dictionary::AddReference(const CFX_ByteStringC& key,
- CPDF_IndirectObjects* pDoc,
+ CPDF_IndirectObjectHolder* pDoc,
FX_DWORD objnum) {
SetAt(key, new CPDF_Reference(pDoc, objnum));
}
@@ -1049,111 +1052,88 @@ uint8_t* CPDF_StreamAcc::DetachData() {
FXSYS_memcpy(p, m_pData, m_dwSize);
return p;
}
-void CPDF_Reference::SetRef(CPDF_IndirectObjects* pDoc, FX_DWORD objnum) {
+void CPDF_Reference::SetRef(CPDF_IndirectObjectHolder* pDoc, FX_DWORD objnum) {
m_pObjList = pDoc;
m_RefObjNum = objnum;
}
-CPDF_IndirectObjects::CPDF_IndirectObjects(CPDF_Parser* pParser) {
- m_pParser = pParser;
- m_IndirectObjs.InitHashTable(1013);
- if (pParser) {
+CPDF_IndirectObjectHolder::CPDF_IndirectObjectHolder(CPDF_Parser* pParser)
+ : m_pParser(pParser), m_LastObjNum(0) {
+ if (pParser)
m_LastObjNum = m_pParser->GetLastObjNum();
- } else {
- m_LastObjNum = 0;
- }
}
-CPDF_IndirectObjects::~CPDF_IndirectObjects() {
- FX_POSITION pos = m_IndirectObjs.GetStartPosition();
- while (pos) {
- void* key;
- void* value;
- m_IndirectObjs.GetNextAssoc(pos, key, value);
- static_cast<CPDF_Object*>(value)->Destroy();
+CPDF_IndirectObjectHolder::~CPDF_IndirectObjectHolder() {
+ for (const auto& pair : m_IndirectObjs) {
+ pair.second->Destroy();
}
}
-CPDF_Object* CPDF_IndirectObjects::GetIndirectObject(FX_DWORD objnum,
- PARSE_CONTEXT* pContext) {
+CPDF_Object* CPDF_IndirectObjectHolder::GetIndirectObject(
+ FX_DWORD objnum,
+ PARSE_CONTEXT* pContext) {
if (objnum == 0)
return nullptr;
- void* value;
- if (m_IndirectObjs.Lookup((void*)(uintptr_t)objnum, value)) {
- CPDF_Object* pValue = static_cast<CPDF_Object*>(value);
- if (pValue->GetObjNum() == -1)
- return nullptr;
- return pValue;
- }
- CPDF_Object* pObj = nullptr;
- if (m_pParser)
- pObj = m_pParser->ParseIndirectObject(this, objnum, pContext);
+ auto it = m_IndirectObjs.find(objnum);
+ if (it != m_IndirectObjs.end())
+ return it->second->GetObjNum() != -1 ? it->second : nullptr;
+
+ if (!m_pParser)
+ return nullptr;
+
+ CPDF_Object* pObj = m_pParser->ParseIndirectObject(this, objnum, pContext);
if (!pObj)
return nullptr;
pObj->m_ObjNum = objnum;
- if (m_LastObjNum < objnum) {
- m_LastObjNum = objnum;
- }
- if (m_IndirectObjs.Lookup((void*)(uintptr_t)objnum, value)) {
- if (value)
- static_cast<CPDF_Object*>(value)->Destroy();
- }
- m_IndirectObjs.SetAt((void*)(uintptr_t)objnum, pObj);
+ m_LastObjNum = std::max(m_LastObjNum, objnum);
+ if (m_IndirectObjs[objnum])
+ m_IndirectObjs[objnum]->Destroy();
+
+ m_IndirectObjs[objnum] = pObj;
return pObj;
}
-int CPDF_IndirectObjects::GetIndirectType(FX_DWORD objnum) {
- void* value;
- if (m_IndirectObjs.Lookup((void*)(uintptr_t)objnum, value))
- return static_cast<CPDF_Object*>(value)->GetType();
-
- if (m_pParser) {
- PARSE_CONTEXT context;
- FXSYS_memset(&context, 0, sizeof(PARSE_CONTEXT));
- context.m_Flags = PDFPARSE_TYPEONLY;
- return (int)(uintptr_t)m_pParser->ParseIndirectObject(this, objnum,
- &context);
- }
- return 0;
+int CPDF_IndirectObjectHolder::GetIndirectType(FX_DWORD objnum) {
+ auto it = m_IndirectObjs.find(objnum);
+ if (it != m_IndirectObjs.end())
+ return it->second->GetType();
+
+ if (!m_pParser)
+ return 0;
+
+ PARSE_CONTEXT context;
+ FXSYS_memset(&context, 0, sizeof(PARSE_CONTEXT));
+ context.m_Flags = PDFPARSE_TYPEONLY;
+ return (int)(uintptr_t)m_pParser->ParseIndirectObject(this, objnum, &context);
}
-FX_DWORD CPDF_IndirectObjects::AddIndirectObject(CPDF_Object* pObj) {
+FX_DWORD CPDF_IndirectObjectHolder::AddIndirectObject(CPDF_Object* pObj) {
if (pObj->m_ObjNum) {
return pObj->m_ObjNum;
}
m_LastObjNum++;
- m_IndirectObjs.SetAt((void*)(uintptr_t)m_LastObjNum, pObj);
+ m_IndirectObjs[m_LastObjNum] = pObj;
pObj->m_ObjNum = m_LastObjNum;
return m_LastObjNum;
}
-void CPDF_IndirectObjects::ReleaseIndirectObject(FX_DWORD objnum) {
- void* value;
- if (!m_IndirectObjs.Lookup((void*)(uintptr_t)objnum, value))
- return;
- CPDF_Object* pValue = static_cast<CPDF_Object*>(value);
- if (pValue->GetObjNum() == -1)
+void CPDF_IndirectObjectHolder::ReleaseIndirectObject(FX_DWORD objnum) {
+ auto it = m_IndirectObjs.find(objnum);
+ if (it == m_IndirectObjs.end() || it->second->GetObjNum() == -1)
return;
- pValue->Destroy();
- m_IndirectObjs.RemoveKey((void*)(uintptr_t)objnum);
+ it->second->Destroy();
+ m_IndirectObjs.erase(it);
}
-FX_BOOL CPDF_IndirectObjects::InsertIndirectObject(FX_DWORD objnum,
- CPDF_Object* pObj) {
+FX_BOOL CPDF_IndirectObjectHolder::InsertIndirectObject(FX_DWORD objnum,
+ CPDF_Object* pObj) {
if (!objnum || !pObj)
return FALSE;
- void* value = nullptr;
- if (m_IndirectObjs.Lookup((void*)(uintptr_t)objnum, value)) {
- if (value) {
- CPDF_Object* pExistingObj = static_cast<CPDF_Object*>(value);
- if (pObj->GetGenNum() <= pExistingObj->GetGenNum()) {
- pObj->Destroy();
- return FALSE;
- }
- pExistingObj->Destroy();
+ auto it = m_IndirectObjs.find(objnum);
+ if (it != m_IndirectObjs.end()) {
+ if (pObj->GetGenNum() <= it->second->GetGenNum()) {
+ pObj->Destroy();
+ return FALSE;
}
+ it->second->Destroy();
}
pObj->m_ObjNum = objnum;
- m_IndirectObjs.SetAt((void*)(uintptr_t)objnum, pObj);
- if (m_LastObjNum < objnum)
- m_LastObjNum = objnum;
+ m_IndirectObjs[objnum] = pObj;
+ m_LastObjNum = std::max(m_LastObjNum, objnum);
return TRUE;
}
-FX_DWORD CPDF_IndirectObjects::GetLastObjNum() const {
- return m_LastObjNum;
-}
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
index 49d6760c65..777d14cf7e 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
@@ -1199,9 +1199,10 @@ FX_BOOL CPDF_Parser::IsFormStream(FX_DWORD objnum, FX_BOOL& bForm) {
return TRUE;
}
-CPDF_Object* CPDF_Parser::ParseIndirectObject(CPDF_IndirectObjects* pObjList,
- FX_DWORD objnum,
- PARSE_CONTEXT* pContext) {
+CPDF_Object* CPDF_Parser::ParseIndirectObject(
+ CPDF_IndirectObjectHolder* pObjList,
+ FX_DWORD objnum,
+ PARSE_CONTEXT* pContext) {
if (!IsValidObjectNumber(objnum))
return nullptr;
@@ -1397,10 +1398,11 @@ void CPDF_Parser::GetIndirectBinary(FX_DWORD objnum,
m_Syntax.RestorePos(SavedPos);
}
-CPDF_Object* CPDF_Parser::ParseIndirectObjectAt(CPDF_IndirectObjects* pObjList,
- FX_FILESIZE pos,
- FX_DWORD objnum,
- PARSE_CONTEXT* pContext) {
+CPDF_Object* CPDF_Parser::ParseIndirectObjectAt(
+ CPDF_IndirectObjectHolder* pObjList,
+ FX_FILESIZE pos,
+ FX_DWORD objnum,
+ PARSE_CONTEXT* pContext) {
FX_FILESIZE SavedPos = m_Syntax.SavePos();
m_Syntax.RestorePos(pos);
bool bIsNumber;
@@ -1442,7 +1444,7 @@ CPDF_Object* CPDF_Parser::ParseIndirectObjectAt(CPDF_IndirectObjects* pObjList,
return pObj;
}
CPDF_Object* CPDF_Parser::ParseIndirectObjectAtByStrict(
- CPDF_IndirectObjects* pObjList,
+ CPDF_IndirectObjectHolder* pObjList,
FX_FILESIZE pos,
FX_DWORD objnum,
PARSE_CONTEXT* pContext,
@@ -2041,7 +2043,7 @@ CFX_ByteString CPDF_SyntaxParser::GetKeyword() {
return GetNextWord(nullptr);
}
-CPDF_Object* CPDF_SyntaxParser::GetObject(CPDF_IndirectObjects* pObjList,
+CPDF_Object* CPDF_SyntaxParser::GetObject(CPDF_IndirectObjectHolder* pObjList,
FX_DWORD objnum,
FX_DWORD gennum,
PARSE_CONTEXT* pContext,
@@ -2197,7 +2199,7 @@ CPDF_Object* CPDF_SyntaxParser::GetObject(CPDF_IndirectObjects* pObjList,
}
CPDF_Object* CPDF_SyntaxParser::GetObjectByStrict(
- CPDF_IndirectObjects* pObjList,
+ CPDF_IndirectObjectHolder* pObjList,
FX_DWORD objnum,
FX_DWORD gennum,
PARSE_CONTEXT* pContext) {
@@ -2761,9 +2763,10 @@ class CPDF_DataAvail final : public IPDF_DataAvail {
void SetStartOffset(FX_FILESIZE dwOffset);
FX_BOOL GetNextToken(CFX_ByteString& token);
FX_BOOL GetNextChar(uint8_t& ch);
- CPDF_Object* ParseIndirectObjectAt(FX_FILESIZE pos,
- FX_DWORD objnum,
- CPDF_IndirectObjects* pObjList = NULL);
+ CPDF_Object* ParseIndirectObjectAt(
+ FX_FILESIZE pos,
+ FX_DWORD objnum,
+ CPDF_IndirectObjectHolder* pObjList = NULL);
CPDF_Object* GetObject(FX_DWORD objnum,
IFX_DownloadHints* pHints,
FX_BOOL* pExistInFile);
@@ -3633,7 +3636,7 @@ FX_BOOL CPDF_DataAvail::CheckHintTables(IFX_DownloadHints* pHints) {
CPDF_Object* CPDF_DataAvail::ParseIndirectObjectAt(
FX_FILESIZE pos,
FX_DWORD objnum,
- CPDF_IndirectObjects* pObjList) {
+ CPDF_IndirectObjectHolder* pObjList) {
FX_FILESIZE SavedPos = m_syntaxParser.SavePos();
m_syntaxParser.RestorePos(pos);
bool bIsNumber;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 22:37:07 +0000