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-rw-r--r--core/fpdfapi/edit/cpdf_pagecontentgenerator.cpp22
-rw-r--r--core/fpdfapi/edit/fpdf_edit_create.cpp8
-rw-r--r--core/fpdfapi/page/cpdf_docpagedata.cpp4
-rw-r--r--core/fpdfapi/page/cpdf_image.cpp14
-rw-r--r--core/fpdfapi/parser/cfdf_document.cpp6
-rw-r--r--core/fpdfapi/parser/cpdf_array.cpp10
-rw-r--r--core/fpdfapi/parser/cpdf_array.h1
-rw-r--r--core/fpdfapi/parser/cpdf_array_unittest.cpp7
-rw-r--r--core/fpdfapi/parser/cpdf_data_avail.cpp5
-rw-r--r--core/fpdfapi/parser/cpdf_dictionary.cpp10
-rw-r--r--core/fpdfapi/parser/cpdf_dictionary.h3
-rw-r--r--core/fpdfapi/parser/cpdf_document.cpp50
-rw-r--r--core/fpdfapi/parser/cpdf_indirect_object_holder.cpp51
-rw-r--r--core/fpdfapi/parser/cpdf_indirect_object_holder.h28
-rw-r--r--core/fpdfapi/parser/cpdf_object_unittest.cpp9
-rw-r--r--core/fpdfapi/parser/cpdf_parser.cpp7
16 files changed, 147 insertions, 88 deletions
diff --git a/core/fpdfapi/edit/cpdf_pagecontentgenerator.cpp b/core/fpdfapi/edit/cpdf_pagecontentgenerator.cpp
index ad1ffaf687..654b69ec4a 100644
--- a/core/fpdfapi/edit/cpdf_pagecontentgenerator.cpp
+++ b/core/fpdfapi/edit/cpdf_pagecontentgenerator.cpp
@@ -52,10 +52,9 @@ void CPDF_PageContentGenerator::GenerateContent() {
if (pContent)
pPageDict->RemoveFor("Contents");
- CPDF_Stream* pStream = new CPDF_Stream;
+ CPDF_Stream* pStream = m_pDocument->AddIndirectStream();
pStream->SetData(buf.GetBuffer(), buf.GetLength());
- pPageDict->SetReferenceFor("Contents", m_pDocument,
- m_pDocument->AddIndirectObject(pStream));
+ pPageDict->SetReferenceFor("Contents", m_pDocument, pStream);
}
CFX_ByteString CPDF_PageContentGenerator::RealizeResource(
@@ -63,10 +62,9 @@ CFX_ByteString CPDF_PageContentGenerator::RealizeResource(
const CFX_ByteString& bsType) {
if (!m_pPage->m_pResources) {
m_pPage->m_pResources =
- new CPDF_Dictionary(m_pDocument->GetByteStringPool());
- m_pPage->m_pFormDict->SetReferenceFor(
- "Resources", m_pDocument,
- m_pDocument->AddIndirectObject(m_pPage->m_pResources));
+ m_pDocument->AddIndirectDictionary(m_pDocument->GetByteStringPool());
+ m_pPage->m_pFormDict->SetReferenceFor("Resources", m_pDocument,
+ m_pPage->m_pResources);
}
CPDF_Dictionary* pResList = m_pPage->m_pResources->GetDictFor(bsType);
if (!pResList) {
@@ -82,8 +80,9 @@ CFX_ByteString CPDF_PageContentGenerator::RealizeResource(
}
idnum++;
}
- pResList->SetReferenceFor(name, m_pDocument,
- m_pDocument->AddIndirectObject(pResourceObj));
+ // TODO(tsepez): check |pResourceObj| ownership.
+ pResList->SetReferenceFor(name, m_pDocument, m_pDocument->AddIndirectObject(
+ UniqueObject(pResourceObj)));
return name;
}
@@ -170,8 +169,7 @@ void CPDF_PageContentGenerator::TransformContent(CFX_Matrix& matrix) {
contentStream.LoadAllData(pStream);
ProcessForm(buf, contentStream.GetData(), contentStream.GetSize(), matrix);
}
- CPDF_Stream* pStream = new CPDF_Stream;
+ CPDF_Stream* pStream = m_pDocument->AddIndirectStream();
pStream->SetData(buf.GetBuffer(), buf.GetLength());
- m_pPage->m_pFormDict->SetReferenceFor(
- "Contents", m_pDocument, m_pDocument->AddIndirectObject(pStream));
+ m_pPage->m_pFormDict->SetReferenceFor("Contents", m_pDocument, pStream);
}
diff --git a/core/fpdfapi/edit/fpdf_edit_create.cpp b/core/fpdfapi/edit/fpdf_edit_create.cpp
index fae2b14449..5622b1dae7 100644
--- a/core/fpdfapi/edit/fpdf_edit_create.cpp
+++ b/core/fpdfapi/edit/fpdf_edit_create.cpp
@@ -1244,12 +1244,10 @@ int32_t CPDF_Creator::WriteOldIndirectObject(uint32_t objnum) {
m_ObjectOffset[objnum] = 0;
return 0;
}
- if (WriteIndirectObj(pObj)) {
+ if (WriteIndirectObj(pObj))
return -1;
- }
- if (!bExistInMap) {
- m_pDocument->ReleaseIndirectObject(objnum);
- }
+ if (!bExistInMap)
+ m_pDocument->DeleteIndirectObject(objnum);
} else {
uint8_t* pBuffer;
uint32_t size;
diff --git a/core/fpdfapi/page/cpdf_docpagedata.cpp b/core/fpdfapi/page/cpdf_docpagedata.cpp
index 5f1f561ebb..0114c680f2 100644
--- a/core/fpdfapi/page/cpdf_docpagedata.cpp
+++ b/core/fpdfapi/page/cpdf_docpagedata.cpp
@@ -175,7 +175,8 @@ CPDF_Font* CPDF_DocPageData::GetStandardFont(const CFX_ByteString& fontName,
return fontData->AddRef();
}
- CPDF_Dictionary* pDict = new CPDF_Dictionary(m_pPDFDoc->GetByteStringPool());
+ CPDF_Dictionary* pDict =
+ m_pPDFDoc->AddIndirectDictionary(m_pPDFDoc->GetByteStringPool());
pDict->SetNameFor("Type", "Font");
pDict->SetNameFor("Subtype", "Type1");
pDict->SetNameFor("BaseFont", fontName);
@@ -183,7 +184,6 @@ CPDF_Font* CPDF_DocPageData::GetStandardFont(const CFX_ByteString& fontName,
pDict->SetFor("Encoding",
pEncoding->Realize(m_pPDFDoc->GetByteStringPool()));
}
- m_pPDFDoc->AddIndirectObject(pDict);
std::unique_ptr<CPDF_Font> pFont = CPDF_Font::Create(m_pPDFDoc, pDict);
if (!pFont)
return nullptr;
diff --git a/core/fpdfapi/page/cpdf_image.cpp b/core/fpdfapi/page/cpdf_image.cpp
index 50768c5058..2755381de4 100644
--- a/core/fpdfapi/page/cpdf_image.cpp
+++ b/core/fpdfapi/page/cpdf_image.cpp
@@ -204,7 +204,7 @@ void CPDF_Image::SetImage(const CFX_DIBitmap* pBitmap, int32_t iCompress) {
} else if (bpp == 8) {
int32_t iPalette = pBitmap->GetPaletteSize();
if (iPalette > 0) {
- CPDF_Array* pCS = new CPDF_Array;
+ UniqueArray pCS(new CPDF_Array);
pCS->AddName("Indexed");
pCS->AddName("DeviceRGB");
pCS->AddInteger(iPalette - 1);
@@ -217,12 +217,12 @@ void CPDF_Image::SetImage(const CFX_DIBitmap* pBitmap, int32_t iCompress) {
ptr[2] = (uint8_t)argb;
ptr += 3;
}
- CPDF_Stream* pCTS = new CPDF_Stream(
+ CPDF_Stream* pCTS = m_pDocument->AddIndirectStream(
pColorTable, iPalette * 3,
new CPDF_Dictionary(m_pDocument->GetByteStringPool()));
- pCS->AddReference(m_pDocument, m_pDocument->AddIndirectObject(pCTS));
+ pCS->AddReference(m_pDocument, pCTS->GetObjNum());
pDict->SetReferenceFor("ColorSpace", m_pDocument,
- m_pDocument->AddIndirectObject(pCS));
+ m_pDocument->AddIndirectObject(std::move(pCS)));
} else {
pDict->SetNameFor("ColorSpace", "DeviceGray");
}
@@ -274,9 +274,9 @@ void CPDF_Image::SetImage(const CFX_DIBitmap* pBitmap, int32_t iCompress) {
}
}
pMaskDict->SetIntegerFor("Length", mask_size);
- pDict->SetReferenceFor("SMask", m_pDocument,
- m_pDocument->AddIndirectObject(new CPDF_Stream(
- mask_buf, mask_size, pMaskDict)));
+ pDict->SetReferenceFor(
+ "SMask", m_pDocument,
+ m_pDocument->AddIndirectStream(mask_buf, mask_size, pMaskDict));
if (bDeleteMask)
delete pMaskBitmap;
}
diff --git a/core/fpdfapi/parser/cfdf_document.cpp b/core/fpdfapi/parser/cfdf_document.cpp
index a1518dfed0..1239fcd3ce 100644
--- a/core/fpdfapi/parser/cfdf_document.cpp
+++ b/core/fpdfapi/parser/cfdf_document.cpp
@@ -26,8 +26,7 @@ CFDF_Document::~CFDF_Document() {
CFDF_Document* CFDF_Document::CreateNewDoc() {
CFDF_Document* pDoc = new CFDF_Document;
- pDoc->m_pRootDict = new CPDF_Dictionary(pDoc->GetByteStringPool());
- pDoc->AddIndirectObject(pDoc->m_pRootDict);
+ pDoc->m_pRootDict = pDoc->AddIndirectDictionary(pDoc->GetByteStringPool());
pDoc->m_pRootDict->SetFor("FDF",
new CPDF_Dictionary(pDoc->GetByteStringPool()));
return pDoc;
@@ -69,7 +68,8 @@ void CFDF_Document::ParseStream(IFX_FileRead* pFile, FX_BOOL bOwnFile) {
if (!pObj)
break;
- ReplaceIndirectObjectIfHigherGeneration(objnum, pObj);
+ // TODO(tsepez): check |pObj| ownership.
+ ReplaceIndirectObjectIfHigherGeneration(objnum, UniqueObject(pObj));
word = parser.GetNextWord(nullptr);
if (word != "endobj")
break;
diff --git a/core/fpdfapi/parser/cpdf_array.cpp b/core/fpdfapi/parser/cpdf_array.cpp
index 807f62d7f3..db3b18be3e 100644
--- a/core/fpdfapi/parser/cpdf_array.cpp
+++ b/core/fpdfapi/parser/cpdf_array.cpp
@@ -152,8 +152,9 @@ void CPDF_Array::ConvertToIndirectObjectAt(size_t i,
if (!m_Objects[i] || m_Objects[i]->IsReference())
return;
- uint32_t dwObjNum = pHolder->AddIndirectObject(m_Objects[i].release());
- m_Objects[i] = UniqueObject(new CPDF_Reference(pHolder, dwObjNum));
+ CPDF_Object* pUnowned = pHolder->AddIndirectObject(std::move(m_Objects[i]));
+ m_Objects[i] =
+ UniqueObject(new CPDF_Reference(pHolder, pUnowned->GetObjNum()));
}
void CPDF_Array::SetAt(size_t i, CPDF_Object* pObj) {
@@ -205,3 +206,8 @@ void CPDF_Array::AddReference(CPDF_IndirectObjectHolder* pDoc,
uint32_t objnum) {
Add(new CPDF_Reference(pDoc, objnum));
}
+
+void CPDF_Array::AddReference(CPDF_IndirectObjectHolder* pDoc,
+ const CPDF_Object* pObj) {
+ AddReference(pDoc, pObj->GetObjNum());
+}
diff --git a/core/fpdfapi/parser/cpdf_array.h b/core/fpdfapi/parser/cpdf_array.h
index f473e26800..18f1c00753 100644
--- a/core/fpdfapi/parser/cpdf_array.h
+++ b/core/fpdfapi/parser/cpdf_array.h
@@ -54,6 +54,7 @@ class CPDF_Array : public CPDF_Object {
void AddString(const CFX_ByteString& str);
void AddName(const CFX_ByteString& str);
void AddReference(CPDF_IndirectObjectHolder* pDoc, uint32_t objnum);
+ void AddReference(CPDF_IndirectObjectHolder* pDoc, const CPDF_Object* pObj);
iterator begin() { return m_Objects.begin(); }
iterator end() { return m_Objects.end(); }
diff --git a/core/fpdfapi/parser/cpdf_array_unittest.cpp b/core/fpdfapi/parser/cpdf_array_unittest.cpp
index bc9f578021..a3a27fc4ce 100644
--- a/core/fpdfapi/parser/cpdf_array_unittest.cpp
+++ b/core/fpdfapi/parser/cpdf_array_unittest.cpp
@@ -113,10 +113,11 @@ TEST(cpdf_array, Clone) {
for (size_t i = 0; i < kNumOfRows; ++i) {
CPDF_Array* arr_elem = new CPDF_Array;
for (size_t j = 0; j < kNumOfRowElems; ++j) {
- CPDF_Number* obj = new CPDF_Number(elems[i][j]);
- // Starts object number from 1.
+ UniqueObject obj(new CPDF_Number(elems[i][j]));
+ // Object number starts from 1.
int obj_num = i * kNumOfRowElems + j + 1;
- obj_holder->ReplaceIndirectObjectIfHigherGeneration(obj_num, obj);
+ obj_holder->ReplaceIndirectObjectIfHigherGeneration(obj_num,
+ std::move(obj));
arr_elem->InsertAt(j, new CPDF_Reference(obj_holder.get(), obj_num));
}
arr->InsertAt(i, arr_elem);
diff --git a/core/fpdfapi/parser/cpdf_data_avail.cpp b/core/fpdfapi/parser/cpdf_data_avail.cpp
index 980c94d325..9629c204bb 100644
--- a/core/fpdfapi/parser/cpdf_data_avail.cpp
+++ b/core/fpdfapi/parser/cpdf_data_avail.cpp
@@ -1771,8 +1771,9 @@ CPDF_Dictionary* CPDF_DataAvail::GetPage(int index) {
if (!pPageDict)
return nullptr;
- if (!m_pDocument->ReplaceIndirectObjectIfHigherGeneration(dwObjNum,
- pPageDict)) {
+ // TODO(tsepez): check |pPageDict| ownership.
+ if (!m_pDocument->ReplaceIndirectObjectIfHigherGeneration(
+ dwObjNum, UniqueObject(pPageDict))) {
return nullptr;
}
return pPageDict->GetDict();
diff --git a/core/fpdfapi/parser/cpdf_dictionary.cpp b/core/fpdfapi/parser/cpdf_dictionary.cpp
index 435eee7248..0f03947ebd 100644
--- a/core/fpdfapi/parser/cpdf_dictionary.cpp
+++ b/core/fpdfapi/parser/cpdf_dictionary.cpp
@@ -188,8 +188,8 @@ void CPDF_Dictionary::ConvertToIndirectObjectFor(
if (it == m_Map.end() || it->second->IsReference())
return;
- uint32_t objnum = pHolder->AddIndirectObject(it->second.release());
- it->second = UniqueReference(new CPDF_Reference(pHolder, objnum));
+ CPDF_Object* pObj = pHolder->AddIndirectObject(std::move(it->second));
+ it->second = UniqueReference(new CPDF_Reference(pHolder, pObj->GetObjNum()));
}
void CPDF_Dictionary::RemoveFor(const CFX_ByteString& key) {
@@ -229,6 +229,12 @@ void CPDF_Dictionary::SetReferenceFor(const CFX_ByteString& key,
SetFor(key, new CPDF_Reference(pDoc, objnum));
}
+void CPDF_Dictionary::SetReferenceFor(const CFX_ByteString& key,
+ CPDF_IndirectObjectHolder* pDoc,
+ const CPDF_Object* pObj) {
+ SetReferenceFor(key, pDoc, pObj->GetObjNum());
+}
+
void CPDF_Dictionary::SetNumberFor(const CFX_ByteString& key, FX_FLOAT f) {
SetFor(key, new CPDF_Number(f));
}
diff --git a/core/fpdfapi/parser/cpdf_dictionary.h b/core/fpdfapi/parser/cpdf_dictionary.h
index 6265522997..3e55812794 100644
--- a/core/fpdfapi/parser/cpdf_dictionary.h
+++ b/core/fpdfapi/parser/cpdf_dictionary.h
@@ -67,6 +67,9 @@ class CPDF_Dictionary : public CPDF_Object {
void SetReferenceFor(const CFX_ByteString& key,
CPDF_IndirectObjectHolder* pDoc,
uint32_t objnum);
+ void SetReferenceFor(const CFX_ByteString& key,
+ CPDF_IndirectObjectHolder* pDoc,
+ const CPDF_Object* objnum);
void SetRectFor(const CFX_ByteString& key, const CFX_FloatRect& rect);
void SetMatrixFor(const CFX_ByteString& key, const CFX_Matrix& matrix);
void SetBooleanFor(const CFX_ByteString& key, bool bValue);
diff --git a/core/fpdfapi/parser/cpdf_document.cpp b/core/fpdfapi/parser/cpdf_document.cpp
index c5f64a790c..fdd395e351 100644
--- a/core/fpdfapi/parser/cpdf_document.cpp
+++ b/core/fpdfapi/parser/cpdf_document.cpp
@@ -256,7 +256,7 @@ int InsertDeletePDFPage(CPDF_Document* pDoc,
if (nPagesToGo == 0) {
if (bInsert) {
pKidList->InsertAt(i, new CPDF_Reference(pDoc, pPage->GetObjNum()));
- pPage->SetReferenceFor("Parent", pDoc, pPages->GetObjNum());
+ pPage->SetReferenceFor("Parent", pDoc, pPages);
} else {
pKidList->RemoveAt(i);
}
@@ -307,7 +307,7 @@ int InsertNewPage(CPDF_Document* pDoc,
}
pPagesList->Add(new CPDF_Reference(pDoc, pPageDict->GetObjNum()));
pPages->SetIntegerFor("Count", nPages + 1);
- pPageDict->SetReferenceFor("Parent", pDoc, pPages->GetObjNum());
+ pPageDict->SetReferenceFor("Parent", pDoc, pPages);
} else {
std::set<CPDF_Dictionary*> stack = {pPages};
if (InsertDeletePDFPage(pDoc, pPages, iPage, pPageDict, TRUE, &stack) < 0)
@@ -693,25 +693,23 @@ CPDF_Image* CPDF_Document::LoadImageF(CPDF_Object* pObj) {
void CPDF_Document::CreateNewDoc() {
ASSERT(!m_pRootDict && !m_pInfoDict);
- m_pRootDict = new CPDF_Dictionary(m_pByteStringPool);
+ m_pRootDict = AddIndirectDictionary(m_pByteStringPool);
m_pRootDict->SetNameFor("Type", "Catalog");
- AddIndirectObject(m_pRootDict);
- CPDF_Dictionary* pPages = new CPDF_Dictionary(m_pByteStringPool);
+ CPDF_Dictionary* pPages = AddIndirectDictionary(m_pByteStringPool);
pPages->SetNameFor("Type", "Pages");
pPages->SetNumberFor("Count", 0);
pPages->SetFor("Kids", new CPDF_Array);
- m_pRootDict->SetReferenceFor("Pages", this, AddIndirectObject(pPages));
- m_pInfoDict = new CPDF_Dictionary(m_pByteStringPool);
- AddIndirectObject(m_pInfoDict);
+
+ m_pRootDict->SetReferenceFor("Pages", this, pPages);
+ m_pInfoDict = AddIndirectDictionary(m_pByteStringPool);
}
CPDF_Dictionary* CPDF_Document::CreateNewPage(int iPage) {
- CPDF_Dictionary* pDict = new CPDF_Dictionary(m_pByteStringPool);
+ CPDF_Dictionary* pDict = AddIndirectDictionary(m_pByteStringPool);
pDict->SetNameFor("Type", "Page");
- uint32_t dwObjNum = AddIndirectObject(pDict);
if (InsertNewPage(this, iPage, pDict, m_PageList) < 0) {
- ReleaseIndirectObject(dwObjNum);
+ DeleteIndirectObject(pDict->GetObjNum());
return nullptr;
}
return pDict;
@@ -750,7 +748,8 @@ size_t CPDF_Document::CalculateEncodingDict(int charset,
}
if (i == FX_ArraySize(g_FX_CharsetUnicodes))
return i;
- CPDF_Dictionary* pEncodingDict = new CPDF_Dictionary(m_pByteStringPool);
+
+ CPDF_Dictionary* pEncodingDict = AddIndirectDictionary(m_pByteStringPool);
pEncodingDict->SetNameFor("BaseEncoding", "WinAnsiEncoding");
CPDF_Array* pArray = new CPDF_Array;
pArray->AddInteger(128);
@@ -760,9 +759,7 @@ size_t CPDF_Document::CalculateEncodingDict(int charset,
pArray->AddName(name.IsEmpty() ? ".notdef" : name);
}
pEncodingDict->SetFor("Differences", pArray);
- pBaseDict->SetReferenceFor("Encoding", this,
- AddIndirectObject(pEncodingDict));
-
+ pBaseDict->SetReferenceFor("Encoding", this, pEncodingDict);
return i;
}
@@ -772,7 +769,7 @@ CPDF_Dictionary* CPDF_Document::ProcessbCJK(
FX_BOOL bVert,
CFX_ByteString basefont,
std::function<void(FX_WCHAR, FX_WCHAR, CPDF_Array*)> Insert) {
- CPDF_Dictionary* pFontDict = new CPDF_Dictionary(m_pByteStringPool);
+ CPDF_Dictionary* pFontDict = AddIndirectDictionary(m_pByteStringPool);
CFX_ByteString cmap;
CFX_ByteString ordering;
int supplement = 0;
@@ -822,14 +819,17 @@ CPDF_Dictionary* CPDF_Document::ProcessbCJK(
pFontDict->SetNameFor("Type", "Font");
pFontDict->SetNameFor("Subtype", "CIDFontType2");
pFontDict->SetNameFor("BaseFont", basefont);
+
CPDF_Dictionary* pCIDSysInfo = new CPDF_Dictionary(m_pByteStringPool);
pCIDSysInfo->SetStringFor("Registry", "Adobe");
pCIDSysInfo->SetStringFor("Ordering", ordering);
pCIDSysInfo->SetIntegerFor("Supplement", supplement);
pFontDict->SetFor("CIDSystemInfo", pCIDSysInfo);
+
CPDF_Array* pArray = new CPDF_Array;
pBaseDict->SetFor("DescendantFonts", pArray);
- pArray->AddReference(this, AddIndirectObject(pFontDict));
+
+ pArray->AddReference(this, pFontDict);
return pFontDict;
}
@@ -847,7 +847,7 @@ CPDF_Font* CPDF_Document::AddFont(CFX_Font* pFont, int charset, FX_BOOL bVert) {
CalculateFlags(pFont->IsBold(), pFont->IsItalic(), pFont->IsFixedWidth(),
false, false, charset == FXFONT_SYMBOL_CHARSET);
- CPDF_Dictionary* pBaseDict = new CPDF_Dictionary(m_pByteStringPool);
+ CPDF_Dictionary* pBaseDict = AddIndirectDictionary(m_pByteStringPool);
pBaseDict->SetNameFor("Type", "Font");
std::unique_ptr<CFX_UnicodeEncoding> pEncoding(
new CFX_UnicodeEncoding(pFont));
@@ -888,7 +888,6 @@ CPDF_Font* CPDF_Document::AddFont(CFX_Font* pFont, int charset, FX_BOOL bVert) {
end, widthArr);
});
}
- AddIndirectObject(pBaseDict);
int italicangle =
pFont->GetSubstFont() ? pFont->GetSubstFont()->m_ItalicAngle : 0;
FX_RECT bbox;
@@ -916,8 +915,11 @@ CPDF_Font* CPDF_Document::AddFont(CFX_Font* pFont, int charset, FX_BOOL bVert) {
CPDF_Dictionary* pFontDesc =
CalculateFontDesc(this, basefont, flags, italicangle, pFont->GetAscent(),
pFont->GetDescent(), pBBox, nStemV);
+
+ // TODO(tsepez): check |pFontDesc| ownership.
pFontDict->SetReferenceFor("FontDescriptor", this,
- AddIndirectObject(pFontDesc));
+ AddIndirectObject(UniqueDictionary(pFontDesc)));
+
return LoadFont(pBaseDict);
}
@@ -979,7 +981,7 @@ CPDF_Font* CPDF_Document::AddWindowsFont(LOGFONTA* pLogFont,
ptm->otmrcFontBox.right, ptm->otmrcFontBox.top};
FX_Free(tm_buf);
basefont.Replace(" ", "");
- CPDF_Dictionary* pBaseDict = new CPDF_Dictionary(m_pByteStringPool);
+ CPDF_Dictionary* pBaseDict = AddIndirectDictionary(m_pByteStringPool);
pBaseDict->SetNameFor("Type", "Font");
CPDF_Dictionary* pFontDict = pBaseDict;
if (!bCJK) {
@@ -1004,7 +1006,6 @@ CPDF_Font* CPDF_Document::AddWindowsFont(LOGFONTA* pLogFont,
InsertWidthArray(hDC, start, end, widthArr);
});
}
- AddIndirectObject(pBaseDict);
CPDF_Array* pBBox = new CPDF_Array;
for (int i = 0; i < 4; i++)
pBBox->AddInteger(bbox[i]);
@@ -1012,8 +1013,11 @@ CPDF_Font* CPDF_Document::AddWindowsFont(LOGFONTA* pLogFont,
CalculateFontDesc(this, basefont, flags, italicangle, ascend, descend,
pBBox, pLogFont->lfWeight / 5);
pFontDesc->SetIntegerFor("CapHeight", capheight);
+
+ // TODO(tsepez): check |pFontDesc| ownership.
pFontDict->SetReferenceFor("FontDescriptor", this,
- AddIndirectObject(pFontDesc));
+ AddIndirectObject(UniqueObject(pFontDesc)));
+
hFont = SelectObject(hDC, hFont);
DeleteObject(hFont);
DeleteDC(hDC);
diff --git a/core/fpdfapi/parser/cpdf_indirect_object_holder.cpp b/core/fpdfapi/parser/cpdf_indirect_object_holder.cpp
index 6e549de5a7..49567e50a1 100644
--- a/core/fpdfapi/parser/cpdf_indirect_object_holder.cpp
+++ b/core/fpdfapi/parser/cpdf_indirect_object_holder.cpp
@@ -6,8 +6,11 @@
#include "core/fpdfapi/parser/cpdf_indirect_object_holder.h"
+#include "core/fpdfapi/parser/cpdf_array.h"
+#include "core/fpdfapi/parser/cpdf_dictionary.h"
#include "core/fpdfapi/parser/cpdf_object.h"
#include "core/fpdfapi/parser/cpdf_parser.h"
+#include "core/fpdfapi/parser/cpdf_stream.h"
CPDF_IndirectObjectHolder::CPDF_IndirectObjectHolder() : m_LastObjNum(0) {}
@@ -42,35 +45,59 @@ CPDF_Object* CPDF_IndirectObjectHolder::ParseIndirectObject(uint32_t objnum) {
return nullptr;
}
-uint32_t CPDF_IndirectObjectHolder::AddIndirectObject(CPDF_Object* pObj) {
+CPDF_Object* CPDF_IndirectObjectHolder::AddIndirectObject(UniqueObject pObj) {
if (pObj->m_ObjNum)
- return pObj->m_ObjNum;
+ return pObj.release(); // TODO(tsepez): shouldn't happen, stop this leak.
- m_LastObjNum++;
+ pObj->m_ObjNum = ++m_LastObjNum;
m_IndirectObjs[m_LastObjNum].release(); // TODO(tsepez): stop this leak.
- m_IndirectObjs[m_LastObjNum].reset(pObj);
- pObj->m_ObjNum = m_LastObjNum;
- return m_LastObjNum;
+ m_IndirectObjs[m_LastObjNum].reset(pObj.release()); // Changes deleters.
+ return m_IndirectObjs[m_LastObjNum].get();
+}
+
+CPDF_Array* CPDF_IndirectObjectHolder::AddIndirectArray() {
+ return ToArray(AddIndirectObject(UniqueObject(new CPDF_Array())));
+}
+
+CPDF_Dictionary* CPDF_IndirectObjectHolder::AddIndirectDictionary() {
+ return ToDictionary(AddIndirectObject(UniqueObject(new CPDF_Dictionary())));
+}
+
+CPDF_Dictionary* CPDF_IndirectObjectHolder::AddIndirectDictionary(
+ const CFX_WeakPtr<CFX_ByteStringPool>& pPool) {
+ return ToDictionary(
+ AddIndirectObject(UniqueObject(new CPDF_Dictionary(pPool))));
+}
+
+CPDF_Stream* CPDF_IndirectObjectHolder::AddIndirectStream() {
+ return ToStream(AddIndirectObject(UniqueObject(new CPDF_Stream())));
+}
+
+CPDF_Stream* CPDF_IndirectObjectHolder::AddIndirectStream(
+ uint8_t* pData,
+ uint32_t size,
+ CPDF_Dictionary* pDict) {
+ return ToStream(
+ AddIndirectObject(UniqueObject(new CPDF_Stream(pData, size, pDict))));
}
bool CPDF_IndirectObjectHolder::ReplaceIndirectObjectIfHigherGeneration(
uint32_t objnum,
- CPDF_Object* pObj) {
+ UniqueObject pObj) {
if (!objnum || !pObj)
return false;
CPDF_Object* pOldObj = GetIndirectObject(objnum);
- if (pOldObj && pObj->GetGenNum() <= pOldObj->GetGenNum()) {
- delete pObj;
+ if (pOldObj && pObj->GetGenNum() <= pOldObj->GetGenNum())
return false;
- }
+
pObj->m_ObjNum = objnum;
- m_IndirectObjs[objnum].reset(pObj);
+ m_IndirectObjs[objnum].reset(pObj.release()); // Changes deleters.
m_LastObjNum = std::max(m_LastObjNum, objnum);
return true;
}
-void CPDF_IndirectObjectHolder::ReleaseIndirectObject(uint32_t objnum) {
+void CPDF_IndirectObjectHolder::DeleteIndirectObject(uint32_t objnum) {
CPDF_Object* pObj = GetIndirectObject(objnum);
if (!pObj || pObj->GetObjNum() == CPDF_Object::kInvalidObjNum)
return;
diff --git a/core/fpdfapi/parser/cpdf_indirect_object_holder.h b/core/fpdfapi/parser/cpdf_indirect_object_holder.h
index da4e942b5d..074e428d43 100644
--- a/core/fpdfapi/parser/cpdf_indirect_object_holder.h
+++ b/core/fpdfapi/parser/cpdf_indirect_object_holder.h
@@ -10,9 +10,14 @@
#include <map>
#include <memory>
+#include "core/fpdfapi/parser/cpdf_object.h"
+#include "core/fxcrt/cfx_string_pool_template.h"
+#include "core/fxcrt/cfx_weak_ptr.h"
#include "core/fxcrt/fx_system.h"
-class CPDF_Object;
+class CPDF_Array;
+class CPDF_Dictionary;
+class CPDF_Stream;
class CPDF_IndirectObjectHolder {
public:
@@ -24,12 +29,23 @@ class CPDF_IndirectObjectHolder {
CPDF_Object* GetIndirectObject(uint32_t objnum) const;
CPDF_Object* GetOrParseIndirectObject(uint32_t objnum);
- void ReleaseIndirectObject(uint32_t objnum);
+ void DeleteIndirectObject(uint32_t objnum);
+
+ // Take ownership of |pObj|, returns unowned pointer to it.
+ CPDF_Object* AddIndirectObject(UniqueObject pObj);
+
+ // Adds and owns a new object, returns unowned pointer to it.
+ CPDF_Array* AddIndirectArray();
+ CPDF_Dictionary* AddIndirectDictionary();
+ CPDF_Dictionary* AddIndirectDictionary(
+ const CFX_WeakPtr<CFX_ByteStringPool>& pPool);
+ CPDF_Stream* AddIndirectStream();
+ CPDF_Stream* AddIndirectStream(uint8_t* pData,
+ uint32_t size,
+ CPDF_Dictionary* pDict);
- // Take ownership of |pObj|.
- uint32_t AddIndirectObject(CPDF_Object* pObj);
bool ReplaceIndirectObjectIfHigherGeneration(uint32_t objnum,
- CPDF_Object* pObj);
+ UniqueObject pObj);
uint32_t GetLastObjNum() const { return m_LastObjNum; }
void SetLastObjNum(uint32_t objnum) { m_LastObjNum = objnum; }
@@ -42,6 +58,8 @@ class CPDF_IndirectObjectHolder {
private:
uint32_t m_LastObjNum;
+
+ // Ordinary deleter, not Release().
std::map<uint32_t, std::unique_ptr<CPDF_Object>> m_IndirectObjs;
};
diff --git a/core/fpdfapi/parser/cpdf_object_unittest.cpp b/core/fpdfapi/parser/cpdf_object_unittest.cpp
index e5a5f54915..b47a06fbfc 100644
--- a/core/fpdfapi/parser/cpdf_object_unittest.cpp
+++ b/core/fpdfapi/parser/cpdf_object_unittest.cpp
@@ -101,7 +101,7 @@ class PDFObjectsTest : public testing::Test {
m_ArrayObj->Clone(), m_DictObj->Clone(),
stream_obj->Clone()};
for (size_t i = 0; i < m_IndirectObjs.size(); ++i) {
- m_ObjHolder->AddIndirectObject(m_IndirectObjs[i]);
+ m_ObjHolder->AddIndirectObject(UniqueObject(m_IndirectObjs[i]));
m_RefObjs.emplace_back(new CPDF_Reference(
m_ObjHolder.get(), m_IndirectObjs[i]->GetObjNum()));
}
@@ -730,8 +730,8 @@ TEST(PDFArrayTest, AddReferenceAndGetObjectAt) {
// Create two arrays of references by different AddReference() APIs.
for (size_t i = 0; i < FX_ArraySize(indirect_objs); ++i) {
// All the indirect objects inserted will be owned by holder.
- holder->ReplaceIndirectObjectIfHigherGeneration(obj_nums[i],
- indirect_objs[i]);
+ holder->ReplaceIndirectObjectIfHigherGeneration(
+ obj_nums[i], UniqueObject(indirect_objs[i]));
arr->AddReference(holder.get(), obj_nums[i]);
arr1->AddReference(holder.get(), indirect_objs[i]->GetObjNum());
}
@@ -841,9 +841,8 @@ TEST(PDFObjectTest, CloneCheckLoop) {
{
CPDF_IndirectObjectHolder objects_holder;
// Create an object with a reference loop.
- CPDF_Dictionary* dict_obj = new CPDF_Dictionary();
+ CPDF_Dictionary* dict_obj = objects_holder.AddIndirectDictionary();
CPDF_Array* arr_obj = new CPDF_Array;
- objects_holder.AddIndirectObject(dict_obj);
EXPECT_EQ(1u, dict_obj->GetObjNum());
dict_obj->SetFor("arr", arr_obj);
arr_obj->InsertAt(
diff --git a/core/fpdfapi/parser/cpdf_parser.cpp b/core/fpdfapi/parser/cpdf_parser.cpp
index 40a615fa47..d9c892f133 100644
--- a/core/fpdfapi/parser/cpdf_parser.cpp
+++ b/core/fpdfapi/parser/cpdf_parser.cpp
@@ -955,21 +955,18 @@ FX_BOOL CPDF_Parser::RebuildCrossRef() {
}
FX_BOOL CPDF_Parser::LoadCrossRefV5(FX_FILESIZE* pos, FX_BOOL bMainXRef) {
- std::unique_ptr<CPDF_Object> pObject(
- ParseIndirectObjectAt(m_pDocument, *pos, 0));
+ UniqueObject pObject(ParseIndirectObjectAt(m_pDocument, *pos, 0));
if (!pObject)
return FALSE;
CPDF_Object* pUnownedObject = pObject.get();
-
if (m_pDocument) {
CPDF_Dictionary* pRootDict = m_pDocument->GetRoot();
if (pRootDict && pRootDict->GetObjNum() == pObject->m_ObjNum)
return FALSE;
- // Takes ownership of object (std::move someday).
uint32_t objnum = pObject->m_ObjNum;
if (!m_pDocument->ReplaceIndirectObjectIfHigherGeneration(
- objnum, pObject.release())) {
+ objnum, std::move(pObject))) {
return FALSE;
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-26 16:47:57 +0000