summaryrefslogtreecommitdiff
path: root/core/fpdfapi
diff options
context:
space:
mode:
Diffstat (limited to 'core/fpdfapi')
-rw-r--r--core/fpdfapi/edit/cpdf_creator.h3
-rw-r--r--core/fpdfapi/edit/fpdf_edit_create.cpp11
-rw-r--r--core/fpdfapi/page/cpdf_image.cpp3
-rw-r--r--core/fpdfapi/page/cpdf_image.h2
-rw-r--r--core/fpdfapi/parser/cfdf_document.cpp26
-rw-r--r--core/fpdfapi/parser/cfdf_document.h11
-rw-r--r--core/fpdfapi/parser/cpdf_data_avail.cpp32
-rw-r--r--core/fpdfapi/parser/cpdf_data_avail.h8
-rw-r--r--core/fpdfapi/parser/cpdf_parser.cpp47
-rw-r--r--core/fpdfapi/parser/cpdf_parser.h12
-rw-r--r--core/fpdfapi/parser/cpdf_parser_unittest.cpp20
-rw-r--r--core/fpdfapi/parser/cpdf_stream.cpp5
-rw-r--r--core/fpdfapi/parser/cpdf_stream.h4
-rw-r--r--core/fpdfapi/parser/cpdf_syntax_parser.cpp5
-rw-r--r--core/fpdfapi/parser/cpdf_syntax_parser.h6
-rw-r--r--core/fpdfapi/parser/cpdf_syntax_parser_unittest.cpp52
-rw-r--r--core/fpdfapi/parser/fpdf_parser_utility.cpp2
-rw-r--r--core/fpdfapi/parser/fpdf_parser_utility.h3
18 files changed, 115 insertions, 137 deletions
diff --git a/core/fpdfapi/edit/cpdf_creator.h b/core/fpdfapi/edit/cpdf_creator.h
index c04db6eb37..aeb7d6675c 100644
--- a/core/fpdfapi/edit/cpdf_creator.h
+++ b/core/fpdfapi/edit/cpdf_creator.h
@@ -9,6 +9,7 @@
#include <memory>
+#include "core/fxcrt/cfx_retain_ptr.h"
#include "core/fxcrt/fx_basic.h"
class CPDF_Array;
@@ -32,7 +33,7 @@ class CPDF_Creator {
~CPDF_Creator();
void RemoveSecurity();
- bool Create(IFX_WriteStream* pFile, uint32_t flags = 0);
+ bool Create(const CFX_RetainPtr<IFX_WriteStream>& pFile, uint32_t flags = 0);
int32_t Continue(IFX_Pause* pPause = nullptr);
bool SetFileVersion(int32_t fileVersion = 17);
diff --git a/core/fpdfapi/edit/fpdf_edit_create.cpp b/core/fpdfapi/edit/fpdf_edit_create.cpp
index b8757ae903..62314f43f5 100644
--- a/core/fpdfapi/edit/fpdf_edit_create.cpp
+++ b/core/fpdfapi/edit/fpdf_edit_create.cpp
@@ -1479,7 +1479,8 @@ int32_t CPDF_Creator::WriteDoc_Stage1(IFX_Pause* pPause) {
InitOldObjNumOffsets();
m_iStage = 20;
} else {
- IFX_SeekableReadStream* pSrcFile = m_pParser->GetFileAccess();
+ CFX_RetainPtr<IFX_SeekableReadStream> pSrcFile =
+ m_pParser->GetFileAccess();
m_Offset = pSrcFile->GetSize();
m_Pos = (void*)(uintptr_t)m_Offset;
m_iStage = 15;
@@ -1487,8 +1488,9 @@ int32_t CPDF_Creator::WriteDoc_Stage1(IFX_Pause* pPause) {
}
if (m_iStage == 15) {
if ((m_dwFlags & FPDFCREATE_NO_ORIGINAL) == 0 && m_Pos) {
- IFX_SeekableReadStream* pSrcFile = m_pParser->GetFileAccess();
- uint8_t buffer[4096];
+ CFX_RetainPtr<IFX_SeekableReadStream> pSrcFile =
+ m_pParser->GetFileAccess();
+ uint8_t buffer[4096]; // TODO(tsepez): don't stack allocate.
uint32_t src_size = (uint32_t)(uintptr_t)m_Pos;
while (src_size) {
uint32_t block_size = src_size > 4096 ? 4096 : src_size;
@@ -1904,7 +1906,8 @@ void CPDF_Creator::Clear() {
m_pIDArray.reset();
}
-bool CPDF_Creator::Create(IFX_WriteStream* pFile, uint32_t flags) {
+bool CPDF_Creator::Create(const CFX_RetainPtr<IFX_WriteStream>& pFile,
+ uint32_t flags) {
m_File.AttachFile(pFile);
return Create(flags);
}
diff --git a/core/fpdfapi/page/cpdf_image.cpp b/core/fpdfapi/page/cpdf_image.cpp
index 5d1d51de89..a17222e343 100644
--- a/core/fpdfapi/page/cpdf_image.cpp
+++ b/core/fpdfapi/page/cpdf_image.cpp
@@ -116,7 +116,8 @@ std::unique_ptr<CPDF_Dictionary> CPDF_Image::InitJPEG(uint8_t* pData,
return pDict;
}
-void CPDF_Image::SetJpegImage(IFX_SeekableReadStream* pFile) {
+void CPDF_Image::SetJpegImage(
+ const CFX_RetainPtr<IFX_SeekableReadStream>& pFile) {
uint32_t size = pdfium::base::checked_cast<uint32_t>(pFile->GetSize());
if (!size)
return;
diff --git a/core/fpdfapi/page/cpdf_image.h b/core/fpdfapi/page/cpdf_image.h
index 38c7e3e728..1b0d74f123 100644
--- a/core/fpdfapi/page/cpdf_image.h
+++ b/core/fpdfapi/page/cpdf_image.h
@@ -51,7 +51,7 @@ class CPDF_Image {
bool bLoadMask = false) const;
void SetImage(const CFX_DIBitmap* pDIBitmap);
- void SetJpegImage(IFX_SeekableReadStream* pFile);
+ void SetJpegImage(const CFX_RetainPtr<IFX_SeekableReadStream>& pFile);
void ResetCache(CPDF_Page* pPage, const CFX_DIBitmap* pDIBitmap);
diff --git a/core/fpdfapi/parser/cfdf_document.cpp b/core/fpdfapi/parser/cfdf_document.cpp
index a6045e7795..65755520c0 100644
--- a/core/fpdfapi/parser/cfdf_document.cpp
+++ b/core/fpdfapi/parser/cfdf_document.cpp
@@ -15,15 +15,9 @@
#include "third_party/base/ptr_util.h"
CFDF_Document::CFDF_Document()
- : CPDF_IndirectObjectHolder(),
- m_pRootDict(nullptr),
- m_pFile(nullptr),
- m_bOwnFile(false) {}
-
-CFDF_Document::~CFDF_Document() {
- if (m_bOwnFile && m_pFile)
- m_pFile->Release();
-}
+ : CPDF_IndirectObjectHolder(), m_pRootDict(nullptr) {}
+
+CFDF_Document::~CFDF_Document() {}
std::unique_ptr<CFDF_Document> CFDF_Document::CreateNewDoc() {
auto pDoc = pdfium::MakeUnique<CFDF_Document>();
@@ -33,25 +27,23 @@ std::unique_ptr<CFDF_Document> CFDF_Document::CreateNewDoc() {
}
std::unique_ptr<CFDF_Document> CFDF_Document::ParseFile(
- IFX_SeekableReadStream* pFile,
- bool bOwnFile) {
+ const CFX_RetainPtr<IFX_SeekableReadStream>& pFile) {
if (!pFile)
return nullptr;
auto pDoc = pdfium::MakeUnique<CFDF_Document>();
- pDoc->ParseStream(pFile, bOwnFile);
+ pDoc->ParseStream(pFile);
return pDoc->m_pRootDict ? std::move(pDoc) : nullptr;
}
-std::unique_ptr<CFDF_Document> CFDF_Document::ParseMemory(const uint8_t* pData,
+std::unique_ptr<CFDF_Document> CFDF_Document::ParseMemory(uint8_t* pData,
uint32_t size) {
- return CFDF_Document::ParseFile(
- IFX_MemoryStream::Create((uint8_t*)pData, size), true);
+ return CFDF_Document::ParseFile(IFX_MemoryStream::Create(pData, size));
}
-void CFDF_Document::ParseStream(IFX_SeekableReadStream* pFile, bool bOwnFile) {
+void CFDF_Document::ParseStream(
+ const CFX_RetainPtr<IFX_SeekableReadStream>& pFile) {
m_pFile = pFile;
- m_bOwnFile = bOwnFile;
CPDF_SyntaxParser parser;
parser.InitParser(m_pFile, 0);
while (1) {
diff --git a/core/fpdfapi/parser/cfdf_document.h b/core/fpdfapi/parser/cfdf_document.h
index 1b47368458..f83adc1a30 100644
--- a/core/fpdfapi/parser/cfdf_document.h
+++ b/core/fpdfapi/parser/cfdf_document.h
@@ -18,9 +18,9 @@ class CPDF_Dictionary;
class CFDF_Document : public CPDF_IndirectObjectHolder {
public:
static std::unique_ptr<CFDF_Document> CreateNewDoc();
- static std::unique_ptr<CFDF_Document> ParseFile(IFX_SeekableReadStream* pFile,
- bool bOwnFile = false);
- static std::unique_ptr<CFDF_Document> ParseMemory(const uint8_t* pData,
+ static std::unique_ptr<CFDF_Document> ParseFile(
+ const CFX_RetainPtr<IFX_SeekableReadStream>& pFile);
+ static std::unique_ptr<CFDF_Document> ParseMemory(uint8_t* pData,
uint32_t size);
CFDF_Document();
@@ -30,11 +30,10 @@ class CFDF_Document : public CPDF_IndirectObjectHolder {
CPDF_Dictionary* GetRoot() const { return m_pRootDict; }
protected:
- void ParseStream(IFX_SeekableReadStream* pFile, bool bOwnFile);
+ void ParseStream(const CFX_RetainPtr<IFX_SeekableReadStream>& pFile);
CPDF_Dictionary* m_pRootDict;
- IFX_SeekableReadStream* m_pFile;
- bool m_bOwnFile;
+ CFX_RetainPtr<IFX_SeekableReadStream> m_pFile;
};
#endif // CORE_FPDFAPI_PARSER_CFDF_DOCUMENT_H_
diff --git a/core/fpdfapi/parser/cpdf_data_avail.cpp b/core/fpdfapi/parser/cpdf_data_avail.cpp
index 248748470c..76ea73d80f 100644
--- a/core/fpdfapi/parser/cpdf_data_avail.cpp
+++ b/core/fpdfapi/parser/cpdf_data_avail.cpp
@@ -33,9 +33,10 @@ CPDF_DataAvail::DownloadHints::~DownloadHints() {}
// static
int CPDF_DataAvail::s_CurrentDataAvailRecursionDepth = 0;
-CPDF_DataAvail::CPDF_DataAvail(FileAvail* pFileAvail,
- IFX_SeekableReadStream* pFileRead,
- bool bSupportHintTable)
+CPDF_DataAvail::CPDF_DataAvail(
+ FileAvail* pFileAvail,
+ const CFX_RetainPtr<IFX_SeekableReadStream>& pFileRead,
+ bool bSupportHintTable)
: m_pFileAvail(pFileAvail), m_pFileRead(pFileRead) {
m_Pos = 0;
m_dwFileLen = 0;
@@ -72,7 +73,6 @@ CPDF_DataAvail::CPDF_DataAvail(FileAvail* pFileAvail,
m_pPageDict = nullptr;
m_pPageResource = nullptr;
m_docStatus = PDF_DATAAVAIL_HEADER;
- m_parser.m_bOwnFileRead = false;
m_bTotalLoadPageTree = false;
m_bCurPageDictLoadOK = false;
m_bLinearedDataOK = false;
@@ -320,7 +320,6 @@ bool CPDF_DataAvail::LoadAllFile(DownloadHints* pHints) {
bool CPDF_DataAvail::LoadAllXref(DownloadHints* pHints) {
m_parser.m_pSyntax->InitParser(m_pFileRead, (uint32_t)m_dwHeaderOffset);
- m_parser.m_bOwnFileRead = false;
if (!m_parser.LoadAllCrossRefV4(m_dwLastXRefOffset) &&
!m_parser.LoadAllCrossRefV5(m_dwLastXRefOffset)) {
m_docStatus = PDF_DATAAVAIL_LOADALLFILE;
@@ -718,15 +717,16 @@ bool CPDF_DataAvail::IsLinearizedFile(uint8_t* pData, uint32_t dwLen) {
if (m_pLinearized)
return true;
- ScopedFileStream file(IFX_MemoryStream::Create(pData, (size_t)dwLen, false));
- int32_t offset = GetHeaderOffset(file.get());
+ CFX_RetainPtr<IFX_MemoryStream> file =
+ IFX_MemoryStream::Create(pData, (size_t)dwLen, false);
+ int32_t offset = GetHeaderOffset(file);
if (offset == -1) {
m_docStatus = PDF_DATAAVAIL_ERROR;
return false;
}
m_dwHeaderOffset = offset;
- m_syntaxParser.InitParser(file.get(), offset);
+ m_syntaxParser.InitParser(file, offset);
m_syntaxParser.RestorePos(m_syntaxParser.m_HeaderOffset + 9);
bool bNumber;
@@ -753,9 +753,9 @@ bool CPDF_DataAvail::CheckEnd(DownloadHints* pHints) {
uint8_t buffer[1024];
m_pFileRead->ReadBlock(buffer, req_pos, dwSize);
- ScopedFileStream file(
- IFX_MemoryStream::Create(buffer, (size_t)dwSize, false));
- m_syntaxParser.InitParser(file.get(), 0);
+ CFX_RetainPtr<IFX_MemoryStream> file =
+ IFX_MemoryStream::Create(buffer, (size_t)dwSize, false);
+ m_syntaxParser.InitParser(file, 0);
m_syntaxParser.RestorePos(dwSize - 1);
if (m_syntaxParser.SearchWord("startxref", true, false, dwSize)) {
@@ -801,8 +801,9 @@ int32_t CPDF_DataAvail::CheckCrossRefStream(DownloadHints* pHints,
m_pFileRead->ReadBlock(pBuf, m_dwCurrentXRefSteam, iSize);
- ScopedFileStream file(IFX_MemoryStream::Create(pBuf, (size_t)iSize, false));
- m_parser.m_pSyntax->InitParser(file.get(), 0);
+ CFX_RetainPtr<IFX_MemoryStream> file =
+ IFX_MemoryStream::Create(pBuf, (size_t)iSize, false);
+ m_parser.m_pSyntax->InitParser(file, 0);
bool bNumber;
CFX_ByteString objnum = m_parser.m_pSyntax->GetNextWord(&bNumber);
@@ -1047,8 +1048,9 @@ bool CPDF_DataAvail::CheckTrailer(DownloadHints* pHints) {
if (!m_pFileRead->ReadBlock(pBuf, m_dwTrailerOffset, iSize))
return false;
- ScopedFileStream file(IFX_MemoryStream::Create(pBuf, (size_t)iSize, false));
- m_syntaxParser.InitParser(file.get(), 0);
+ CFX_RetainPtr<IFX_MemoryStream> file =
+ IFX_MemoryStream::Create(pBuf, (size_t)iSize, false);
+ m_syntaxParser.InitParser(file, 0);
std::unique_ptr<CPDF_Object> pTrailer(
m_syntaxParser.GetObject(nullptr, 0, 0, true));
diff --git a/core/fpdfapi/parser/cpdf_data_avail.h b/core/fpdfapi/parser/cpdf_data_avail.h
index e81d705bcd..1ced2a2133 100644
--- a/core/fpdfapi/parser/cpdf_data_avail.h
+++ b/core/fpdfapi/parser/cpdf_data_avail.h
@@ -95,7 +95,7 @@ class CPDF_DataAvail final {
};
CPDF_DataAvail(FileAvail* pFileAvail,
- IFX_SeekableReadStream* pFileRead,
+ const CFX_RetainPtr<IFX_SeekableReadStream>& pFileRead,
bool bSupportHintTable);
~CPDF_DataAvail();
@@ -107,7 +107,9 @@ class CPDF_DataAvail final {
DocLinearizationStatus IsLinearizedPDF();
bool IsLinearized();
void GetLinearizedMainXRefInfo(FX_FILESIZE* pPos, uint32_t* pSize);
- IFX_SeekableReadStream* GetFileRead() const { return m_pFileRead; }
+ CFX_RetainPtr<IFX_SeekableReadStream> GetFileRead() const {
+ return m_pFileRead;
+ }
int GetPageCount() const;
CPDF_Dictionary* GetPage(int index);
@@ -195,7 +197,7 @@ class CPDF_DataAvail final {
bool ValidateForm();
FileAvail* const m_pFileAvail;
- IFX_SeekableReadStream* const m_pFileRead;
+ CFX_RetainPtr<IFX_SeekableReadStream> m_pFileRead;
CPDF_Parser m_parser;
CPDF_SyntaxParser m_syntaxParser;
std::unique_ptr<CPDF_Object> m_pRoot;
diff --git a/core/fpdfapi/parser/cpdf_parser.cpp b/core/fpdfapi/parser/cpdf_parser.cpp
index 1fae0d641c..47c5c4eab4 100644
--- a/core/fpdfapi/parser/cpdf_parser.cpp
+++ b/core/fpdfapi/parser/cpdf_parser.cpp
@@ -52,7 +52,6 @@ int32_t GetStreamFirst(CPDF_StreamAcc* pObjStream) {
CPDF_Parser::CPDF_Parser()
: m_pDocument(nullptr),
m_bHasParsed(false),
- m_bOwnFileRead(true),
m_bXRefStream(false),
m_bVersionUpdated(false),
m_FileVersion(0),
@@ -64,11 +63,6 @@ CPDF_Parser::CPDF_Parser()
CPDF_Parser::~CPDF_Parser() {
ReleaseEncryptHandler();
SetEncryptDictionary(nullptr);
-
- if (m_bOwnFileRead && m_pSyntax->m_pFileAccess) {
- m_pSyntax->m_pFileAccess->Release();
- m_pSyntax->m_pFileAccess = nullptr;
- }
}
uint32_t CPDF_Parser::GetLastObjNum() const {
@@ -109,7 +103,7 @@ CPDF_CryptoHandler* CPDF_Parser::GetCryptoHandler() {
return m_pSyntax->m_pCryptoHandler.get();
}
-IFX_SeekableReadStream* CPDF_Parser::GetFileAccess() const {
+CFX_RetainPtr<IFX_SeekableReadStream> CPDF_Parser::GetFileAccess() const {
return m_pSyntax->m_pFileAccess;
}
@@ -129,31 +123,30 @@ void CPDF_Parser::ShrinkObjectMap(uint32_t objnum) {
m_ObjectInfo[objnum - 1].pos = 0;
}
-CPDF_Parser::Error CPDF_Parser::StartParse(IFX_SeekableReadStream* pFileAccess,
- CPDF_Document* pDocument) {
+CPDF_Parser::Error CPDF_Parser::StartParse(
+ const CFX_RetainPtr<IFX_SeekableReadStream>& pFileAccess,
+ CPDF_Document* pDocument) {
ASSERT(!m_bHasParsed);
m_bHasParsed = true;
-
m_bXRefStream = false;
m_LastXRefOffset = 0;
- m_bOwnFileRead = true;
int32_t offset = GetHeaderOffset(pFileAccess);
- if (offset == -1) {
- if (pFileAccess)
- pFileAccess->Release();
+ if (offset == -1)
return FORMAT_ERROR;
- }
+
m_pSyntax->InitParser(pFileAccess, offset);
uint8_t ch;
if (!m_pSyntax->GetCharAt(5, ch))
return FORMAT_ERROR;
+
if (std::isdigit(ch))
m_FileVersion = FXSYS_toDecimalDigit(static_cast<FX_WCHAR>(ch)) * 10;
if (!m_pSyntax->GetCharAt(7, ch))
return FORMAT_ERROR;
+
if (std::isdigit(ch))
m_FileVersion += FXSYS_toDecimalDigit(static_cast<FX_WCHAR>(ch));
@@ -1124,10 +1117,10 @@ std::unique_ptr<CPDF_Object> CPDF_Parser::ParseIndirectObject(
if (!pObjStream)
return nullptr;
- ScopedFileStream file(IFX_MemoryStream::Create(
- (uint8_t*)pObjStream->GetData(), (size_t)pObjStream->GetSize(), false));
+ CFX_RetainPtr<IFX_MemoryStream> file = IFX_MemoryStream::Create(
+ (uint8_t*)pObjStream->GetData(), (size_t)pObjStream->GetSize(), false);
CPDF_SyntaxParser syntax;
- syntax.InitParser(file.get(), 0);
+ syntax.InitParser(file, 0);
const int32_t offset = GetStreamFirst(pObjStream);
// Read object numbers from |pObjStream| into a cache.
@@ -1203,11 +1196,11 @@ void CPDF_Parser::GetIndirectBinary(uint32_t objnum,
int32_t offset = GetStreamFirst(pObjStream);
const uint8_t* pData = pObjStream->GetData();
uint32_t totalsize = pObjStream->GetSize();
- ScopedFileStream file(
- IFX_MemoryStream::Create((uint8_t*)pData, (size_t)totalsize, false));
-
+ CFX_RetainPtr<IFX_MemoryStream> file =
+ IFX_MemoryStream::Create((uint8_t*)pData, (size_t)totalsize, false);
CPDF_SyntaxParser syntax;
- syntax.InitParser(file.get(), 0);
+ syntax.InitParser(file, 0);
+
for (int i = GetStreamNCount(pObjStream); i > 0; --i) {
uint32_t thisnum = syntax.GetDirectNum();
uint32_t thisoff = syntax.GetDirectNum();
@@ -1420,8 +1413,9 @@ uint32_t CPDF_Parser::GetPermissions() const {
return dwPermission;
}
-bool CPDF_Parser::IsLinearizedFile(IFX_SeekableReadStream* pFileAccess,
- uint32_t offset) {
+bool CPDF_Parser::IsLinearizedFile(
+ const CFX_RetainPtr<IFX_SeekableReadStream>& pFileAccess,
+ uint32_t offset) {
m_pSyntax->InitParser(pFileAccess, offset);
m_pSyntax->RestorePos(m_pSyntax->m_HeaderOffset + 9);
@@ -1454,13 +1448,11 @@ bool CPDF_Parser::IsLinearizedFile(IFX_SeekableReadStream* pFileAccess,
}
CPDF_Parser::Error CPDF_Parser::StartLinearizedParse(
- IFX_SeekableReadStream* pFileAccess,
+ const CFX_RetainPtr<IFX_SeekableReadStream>& pFileAccess,
CPDF_Document* pDocument) {
ASSERT(!m_bHasParsed);
-
m_bXRefStream = false;
m_LastXRefOffset = 0;
- m_bOwnFileRead = true;
int32_t offset = GetHeaderOffset(pFileAccess);
if (offset == -1)
@@ -1474,7 +1466,6 @@ CPDF_Parser::Error CPDF_Parser::StartLinearizedParse(
m_pDocument = pDocument;
FX_FILESIZE dwFirstXRefOffset = m_pSyntax->SavePos();
-
bool bXRefRebuilt = false;
bool bLoadV4 = LoadCrossRefV4(dwFirstXRefOffset, 0, false);
if (!bLoadV4 && !LoadCrossRefV5(&dwFirstXRefOffset, true)) {
diff --git a/core/fpdfapi/parser/cpdf_parser.h b/core/fpdfapi/parser/cpdf_parser.h
index 5e2cdea08d..f8ff7a17ec 100644
--- a/core/fpdfapi/parser/cpdf_parser.h
+++ b/core/fpdfapi/parser/cpdf_parser.h
@@ -43,8 +43,9 @@ class CPDF_Parser {
CPDF_Parser();
~CPDF_Parser();
- Error StartParse(IFX_SeekableReadStream* pFile, CPDF_Document* pDocument);
- Error StartLinearizedParse(IFX_SeekableReadStream* pFile,
+ Error StartParse(const CFX_RetainPtr<IFX_SeekableReadStream>& pFile,
+ CPDF_Document* pDocument);
+ Error StartLinearizedParse(const CFX_RetainPtr<IFX_SeekableReadStream>& pFile,
CPDF_Document* pDocument);
void SetPassword(const FX_CHAR* password) { m_Password = password; }
@@ -71,7 +72,7 @@ class CPDF_Parser {
bool IsVersionUpdated() const { return m_bVersionUpdated; }
bool IsObjectFreeOrNull(uint32_t objnum) const;
CPDF_CryptoHandler* GetCryptoHandler();
- IFX_SeekableReadStream* GetFileAccess() const;
+ CFX_RetainPtr<IFX_SeekableReadStream> GetFileAccess() const;
FX_FILESIZE GetObjectOffset(uint32_t objnum) const;
FX_FILESIZE GetObjectSize(uint32_t objnum) const;
@@ -140,7 +141,9 @@ class CPDF_Parser {
bool LoadLinearizedAllCrossRefV5(FX_FILESIZE pos);
Error LoadLinearizedMainXRefTable();
CPDF_StreamAcc* GetObjectStream(uint32_t number);
- bool IsLinearizedFile(IFX_SeekableReadStream* pFileAccess, uint32_t offset);
+ bool IsLinearizedFile(
+ const CFX_RetainPtr<IFX_SeekableReadStream>& pFileAccess,
+ uint32_t offset);
void SetEncryptDictionary(CPDF_Dictionary* pDict);
void ShrinkObjectMap(uint32_t size);
// A simple check whether the cross reference table matches with
@@ -149,7 +152,6 @@ class CPDF_Parser {
CPDF_Document* m_pDocument; // not owned
bool m_bHasParsed;
- bool m_bOwnFileRead;
bool m_bXRefStream;
bool m_bVersionUpdated;
int m_FileVersion;
diff --git a/core/fpdfapi/parser/cpdf_parser_unittest.cpp b/core/fpdfapi/parser/cpdf_parser_unittest.cpp
index 61496a1562..3518f7d16b 100644
--- a/core/fpdfapi/parser/cpdf_parser_unittest.cpp
+++ b/core/fpdfapi/parser/cpdf_parser_unittest.cpp
@@ -7,6 +7,7 @@
#include "core/fpdfapi/parser/cpdf_parser.h"
#include "core/fpdfapi/parser/cpdf_syntax_parser.h"
+#include "core/fxcrt/cfx_retain_ptr.h"
#include "core/fxcrt/fx_ext.h"
#include "core/fxcrt/fx_stream.h"
#include "testing/gtest/include/gtest/gtest.h"
@@ -15,11 +16,12 @@
// Provide a way to read test data from a buffer instead of a file.
class CFX_TestBufferRead : public IFX_SeekableReadStream {
public:
- CFX_TestBufferRead(const unsigned char* buffer_in, size_t buf_size)
- : buffer_(buffer_in), total_size_(buf_size) {}
-
- // IFX_ReadStream:
- void Release() override { delete this; }
+ static CFX_RetainPtr<CFX_TestBufferRead> Create(
+ const unsigned char* buffer_in,
+ size_t buf_size) {
+ return CFX_RetainPtr<CFX_TestBufferRead>(
+ new CFX_TestBufferRead(buffer_in, buf_size));
+ }
// IFX_SeekableReadStream:
bool ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) override {
@@ -33,6 +35,9 @@ class CFX_TestBufferRead : public IFX_SeekableReadStream {
FX_FILESIZE GetSize() override { return (FX_FILESIZE)total_size_; };
protected:
+ CFX_TestBufferRead(const unsigned char* buffer_in, size_t buf_size)
+ : buffer_(buffer_in), total_size_(buf_size) {}
+
const unsigned char* buffer_;
size_t total_size_;
};
@@ -45,7 +50,7 @@ class CPDF_TestParser : public CPDF_Parser {
// Setup reading from a file and initial states.
bool InitTestFromFile(const FX_CHAR* path) {
- IFX_SeekableReadStream* pFileAccess =
+ CFX_RetainPtr<IFX_SeekableReadStream> pFileAccess =
IFX_SeekableReadStream::CreateFromFilename(path);
if (!pFileAccess)
return false;
@@ -57,7 +62,8 @@ class CPDF_TestParser : public CPDF_Parser {
// Setup reading from a buffer and initial states.
bool InitTestFromBuffer(const unsigned char* buffer, size_t len) {
- CFX_TestBufferRead* buffer_reader = new CFX_TestBufferRead(buffer, len);
+ CFX_RetainPtr<CFX_TestBufferRead> buffer_reader =
+ CFX_TestBufferRead::Create(buffer, len);
// For the test file, the header is set at the beginning.
m_pSyntax->InitParser(buffer_reader, 0);
diff --git a/core/fpdfapi/parser/cpdf_stream.cpp b/core/fpdfapi/parser/cpdf_stream.cpp
index de69bfae7b..4f76ec1c63 100644
--- a/core/fpdfapi/parser/cpdf_stream.cpp
+++ b/core/fpdfapi/parser/cpdf_stream.cpp
@@ -62,8 +62,9 @@ void CPDF_Stream::InitStream(const uint8_t* pData,
m_pDict->SetNewFor<CPDF_Number>("Length", static_cast<int>(m_dwSize));
}
-void CPDF_Stream::InitStreamFromFile(IFX_SeekableReadStream* pFile,
- std::unique_ptr<CPDF_Dictionary> pDict) {
+void CPDF_Stream::InitStreamFromFile(
+ const CFX_RetainPtr<IFX_SeekableReadStream>& pFile,
+ std::unique_ptr<CPDF_Dictionary> pDict) {
m_pDict = std::move(pDict);
m_bMemoryBased = false;
m_pDataBuf.reset();
diff --git a/core/fpdfapi/parser/cpdf_stream.h b/core/fpdfapi/parser/cpdf_stream.h
index fb2b67cd82..cd4113b22b 100644
--- a/core/fpdfapi/parser/cpdf_stream.h
+++ b/core/fpdfapi/parser/cpdf_stream.h
@@ -43,7 +43,7 @@ class CPDF_Stream : public CPDF_Object {
void InitStream(const uint8_t* pData,
uint32_t size,
std::unique_ptr<CPDF_Dictionary> pDict);
- void InitStreamFromFile(IFX_SeekableReadStream* pFile,
+ void InitStreamFromFile(const CFX_RetainPtr<IFX_SeekableReadStream>& pFile,
std::unique_ptr<CPDF_Dictionary> pDict);
bool ReadRawData(FX_FILESIZE start_pos,
@@ -62,7 +62,7 @@ class CPDF_Stream : public CPDF_Object {
uint32_t m_dwSize = 0;
std::unique_ptr<CPDF_Dictionary> m_pDict;
std::unique_ptr<uint8_t, FxFreeDeleter> m_pDataBuf;
- IFX_SeekableReadStream* m_pFile = nullptr;
+ CFX_RetainPtr<IFX_SeekableReadStream> m_pFile;
};
inline CPDF_Stream* ToStream(CPDF_Object* obj) {
diff --git a/core/fpdfapi/parser/cpdf_syntax_parser.cpp b/core/fpdfapi/parser/cpdf_syntax_parser.cpp
index 9beae0b7f7..2a20e43591 100644
--- a/core/fpdfapi/parser/cpdf_syntax_parser.cpp
+++ b/core/fpdfapi/parser/cpdf_syntax_parser.cpp
@@ -756,8 +756,9 @@ std::unique_ptr<CPDF_Stream> CPDF_SyntaxParser::ReadStream(
return pStream;
}
-void CPDF_SyntaxParser::InitParser(IFX_SeekableReadStream* pFileAccess,
- uint32_t HeaderOffset) {
+void CPDF_SyntaxParser::InitParser(
+ const CFX_RetainPtr<IFX_SeekableReadStream>& pFileAccess,
+ uint32_t HeaderOffset) {
FX_Free(m_pFileBuf);
m_pFileBuf = FX_Alloc(uint8_t, m_BufSize);
diff --git a/core/fpdfapi/parser/cpdf_syntax_parser.h b/core/fpdfapi/parser/cpdf_syntax_parser.h
index 1e8f736c17..8dd9103f1b 100644
--- a/core/fpdfapi/parser/cpdf_syntax_parser.h
+++ b/core/fpdfapi/parser/cpdf_syntax_parser.h
@@ -26,7 +26,9 @@ class CPDF_SyntaxParser {
explicit CPDF_SyntaxParser(const CFX_WeakPtr<CFX_ByteStringPool>& pPool);
~CPDF_SyntaxParser();
- void InitParser(IFX_SeekableReadStream* pFileAccess, uint32_t HeaderOffset);
+ void InitParser(const CFX_RetainPtr<IFX_SeekableReadStream>& pFileAccess,
+ uint32_t HeaderOffset);
+
FX_FILESIZE SavePos() const { return m_Pos; }
void RestorePos(FX_FILESIZE pos) { m_Pos = pos; }
@@ -87,7 +89,7 @@ class CPDF_SyntaxParser {
FX_FILESIZE m_Pos;
uint32_t m_MetadataObjnum;
- IFX_SeekableReadStream* m_pFileAccess;
+ CFX_RetainPtr<IFX_SeekableReadStream> m_pFileAccess;
FX_FILESIZE m_HeaderOffset;
FX_FILESIZE m_FileLen;
uint8_t* m_pFileBuf;
diff --git a/core/fpdfapi/parser/cpdf_syntax_parser_unittest.cpp b/core/fpdfapi/parser/cpdf_syntax_parser_unittest.cpp
index f94b431c82..faaa83dd19 100644
--- a/core/fpdfapi/parser/cpdf_syntax_parser_unittest.cpp
+++ b/core/fpdfapi/parser/cpdf_syntax_parser_unittest.cpp
@@ -16,10 +16,8 @@ TEST(cpdf_syntax_parser, ReadHexString) {
{
// Empty string.
uint8_t data[] = "";
- ScopedFileStream stream(IFX_MemoryStream::Create(data, 0, false));
-
CPDF_SyntaxParser parser;
- parser.InitParser(stream.get(), 0);
+ parser.InitParser(IFX_MemoryStream::Create(data, 0, false), 0);
EXPECT_EQ("", parser.ReadHexString());
EXPECT_EQ(0, parser.SavePos());
}
@@ -27,10 +25,8 @@ TEST(cpdf_syntax_parser, ReadHexString) {
{
// Blank string.
uint8_t data[] = " ";
- ScopedFileStream stream(IFX_MemoryStream::Create(data, 2, false));
-
CPDF_SyntaxParser parser;
- parser.InitParser(stream.get(), 0);
+ parser.InitParser(IFX_MemoryStream::Create(data, 2, false), 0);
EXPECT_EQ("", parser.ReadHexString());
EXPECT_EQ(2, parser.SavePos());
}
@@ -38,10 +34,8 @@ TEST(cpdf_syntax_parser, ReadHexString) {
{
// Skips unknown characters.
uint8_t data[] = "z12b";
- ScopedFileStream stream(IFX_MemoryStream::Create(data, 4, false));
-
CPDF_SyntaxParser parser;
- parser.InitParser(stream.get(), 0);
+ parser.InitParser(IFX_MemoryStream::Create(data, 4, false), 0);
EXPECT_EQ("\x12\xb0", parser.ReadHexString());
EXPECT_EQ(4, parser.SavePos());
}
@@ -49,10 +43,8 @@ TEST(cpdf_syntax_parser, ReadHexString) {
{
// Skips unknown characters.
uint8_t data[] = "*<&*#$^&@1";
- ScopedFileStream stream(IFX_MemoryStream::Create(data, 10, false));
-
CPDF_SyntaxParser parser;
- parser.InitParser(stream.get(), 0);
+ parser.InitParser(IFX_MemoryStream::Create(data, 10, false), 0);
EXPECT_EQ("\x10", parser.ReadHexString());
EXPECT_EQ(10, parser.SavePos());
}
@@ -60,10 +52,8 @@ TEST(cpdf_syntax_parser, ReadHexString) {
{
// Skips unknown characters.
uint8_t data[] = "\x80zab";
- ScopedFileStream stream(IFX_MemoryStream::Create(data, 4, false));
-
CPDF_SyntaxParser parser;
- parser.InitParser(stream.get(), 0);
+ parser.InitParser(IFX_MemoryStream::Create(data, 4, false), 0);
EXPECT_EQ("\xab", parser.ReadHexString());
EXPECT_EQ(4, parser.SavePos());
}
@@ -71,10 +61,8 @@ TEST(cpdf_syntax_parser, ReadHexString) {
{
// Skips unknown characters.
uint8_t data[] = "\xffzab";
- ScopedFileStream stream(IFX_MemoryStream::Create(data, 4, false));
-
CPDF_SyntaxParser parser;
- parser.InitParser(stream.get(), 0);
+ parser.InitParser(IFX_MemoryStream::Create(data, 4, false), 0);
EXPECT_EQ("\xab", parser.ReadHexString());
EXPECT_EQ(4, parser.SavePos());
}
@@ -82,10 +70,8 @@ TEST(cpdf_syntax_parser, ReadHexString) {
{
// Regular conversion.
uint8_t data[] = "1A2b>abcd";
- ScopedFileStream stream(IFX_MemoryStream::Create(data, 9, false));
-
CPDF_SyntaxParser parser;
- parser.InitParser(stream.get(), 0);
+ parser.InitParser(IFX_MemoryStream::Create(data, 9, false), 0);
EXPECT_EQ("\x1a\x2b", parser.ReadHexString());
EXPECT_EQ(5, parser.SavePos());
}
@@ -93,10 +79,8 @@ TEST(cpdf_syntax_parser, ReadHexString) {
{
// Position out of bounds.
uint8_t data[] = "12ab>";
- ScopedFileStream stream(IFX_MemoryStream::Create(data, 5, false));
-
CPDF_SyntaxParser parser;
- parser.InitParser(stream.get(), 0);
+ parser.InitParser(IFX_MemoryStream::Create(data, 5, false), 0);
parser.RestorePos(5);
EXPECT_EQ("", parser.ReadHexString());
@@ -117,10 +101,8 @@ TEST(cpdf_syntax_parser, ReadHexString) {
{
// Missing ending >.
uint8_t data[] = "1A2b";
- ScopedFileStream stream(IFX_MemoryStream::Create(data, 4, false));
-
CPDF_SyntaxParser parser;
- parser.InitParser(stream.get(), 0);
+ parser.InitParser(IFX_MemoryStream::Create(data, 4, false), 0);
EXPECT_EQ("\x1a\x2b", parser.ReadHexString());
EXPECT_EQ(4, parser.SavePos());
}
@@ -128,10 +110,8 @@ TEST(cpdf_syntax_parser, ReadHexString) {
{
// Missing ending >.
uint8_t data[] = "12abz";
- ScopedFileStream stream(IFX_MemoryStream::Create(data, 5, false));
-
CPDF_SyntaxParser parser;
- parser.InitParser(stream.get(), 0);
+ parser.InitParser(IFX_MemoryStream::Create(data, 5, false), 0);
EXPECT_EQ("\x12\xab", parser.ReadHexString());
EXPECT_EQ(5, parser.SavePos());
}
@@ -139,10 +119,8 @@ TEST(cpdf_syntax_parser, ReadHexString) {
{
// Uneven number of bytes.
uint8_t data[] = "1A2>asdf";
- ScopedFileStream stream(IFX_MemoryStream::Create(data, 8, false));
-
CPDF_SyntaxParser parser;
- parser.InitParser(stream.get(), 0);
+ parser.InitParser(IFX_MemoryStream::Create(data, 8, false), 0);
EXPECT_EQ("\x1a\x20", parser.ReadHexString());
EXPECT_EQ(4, parser.SavePos());
}
@@ -150,10 +128,8 @@ TEST(cpdf_syntax_parser, ReadHexString) {
{
// Uneven number of bytes.
uint8_t data[] = "1A2zasdf";
- ScopedFileStream stream(IFX_MemoryStream::Create(data, 8, false));
-
CPDF_SyntaxParser parser;
- parser.InitParser(stream.get(), 0);
+ parser.InitParser(IFX_MemoryStream::Create(data, 8, false), 0);
EXPECT_EQ("\x1a\x2a\xdf", parser.ReadHexString());
EXPECT_EQ(8, parser.SavePos());
}
@@ -161,10 +137,8 @@ TEST(cpdf_syntax_parser, ReadHexString) {
{
// Just ending character.
uint8_t data[] = ">";
- ScopedFileStream stream(IFX_MemoryStream::Create(data, 1, false));
-
CPDF_SyntaxParser parser;
- parser.InitParser(stream.get(), 0);
+ parser.InitParser(IFX_MemoryStream::Create(data, 1, false), 0);
EXPECT_EQ("", parser.ReadHexString());
EXPECT_EQ(1, parser.SavePos());
}
diff --git a/core/fpdfapi/parser/fpdf_parser_utility.cpp b/core/fpdfapi/parser/fpdf_parser_utility.cpp
index ef37d8f39e..9583ea70bc 100644
--- a/core/fpdfapi/parser/fpdf_parser_utility.cpp
+++ b/core/fpdfapi/parser/fpdf_parser_utility.cpp
@@ -69,7 +69,7 @@ const char PDF_CharType[256] = {
'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R',
'R', 'R', 'R', 'R', 'R', 'R', 'R', 'W'};
-int32_t GetHeaderOffset(IFX_SeekableReadStream* pFile) {
+int32_t GetHeaderOffset(const CFX_RetainPtr<IFX_SeekableReadStream>& pFile) {
const size_t kBufSize = 4;
uint8_t buf[kBufSize];
for (int32_t offset = 0; offset <= 1024; ++offset) {
diff --git a/core/fpdfapi/parser/fpdf_parser_utility.h b/core/fpdfapi/parser/fpdf_parser_utility.h
index 589171f1a4..29f54ee853 100644
--- a/core/fpdfapi/parser/fpdf_parser_utility.h
+++ b/core/fpdfapi/parser/fpdf_parser_utility.h
@@ -7,6 +7,7 @@
#ifndef CORE_FPDFAPI_PARSER_FPDF_PARSER_UTILITY_H_
#define CORE_FPDFAPI_PARSER_FPDF_PARSER_UTILITY_H_
+#include "core/fxcrt/cfx_retain_ptr.h"
#include "core/fxcrt/fx_string.h"
#include "core/fxcrt/fx_system.h"
@@ -33,7 +34,7 @@ inline bool PDFCharIsLineEnding(uint8_t c) {
return c == '\r' || c == '\n';
}
-int32_t GetHeaderOffset(IFX_SeekableReadStream* pFile);
+int32_t GetHeaderOffset(const CFX_RetainPtr<IFX_SeekableReadStream>& pFile);
int32_t GetDirectInteger(CPDF_Dictionary* pDict, const CFX_ByteString& key);
#endif // CORE_FPDFAPI_PARSER_FPDF_PARSER_UTILITY_H_
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 02:58:48 +0000