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authorDan Sinclair <dsinclair@chromium.org>2017-04-11 09:35:00 -0400
committerChromium commit bot <commit-bot@chromium.org>2017-04-11 15:12:26 +0000
commit6e485caca4d943a616853fbbf7446d398412bf13 (patch)
tree037f50e9a8c43f7f6dd75a0eab1f09f5a1d019a2 /xfa/fgas/crt/ifgas_stream.cpp
parent75dc42ae0cb0037ad519c2b9a9f3a3fb33ccb3da (diff)
downloadpdfium-6e485caca4d943a616853fbbf7446d398412bf13.tar.xz
Remove unneeded stream access flags
This Cl removes all of the steam access flags other then write. Flags which were always set were removed. Change-Id: I96df4fa0c95d89f4f454db050f3f032bc163e498 Reviewed-on: https://pdfium-review.googlesource.com/4034 Reviewed-by: Nicolás Peña <npm@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
Diffstat (limited to 'xfa/fgas/crt/ifgas_stream.cpp')
-rw-r--r--xfa/fgas/crt/ifgas_stream.cpp82
1 files changed, 24 insertions, 58 deletions
diff --git a/xfa/fgas/crt/ifgas_stream.cpp b/xfa/fgas/crt/ifgas_stream.cpp
index 06911d7c38..534780c0ea 100644
--- a/xfa/fgas/crt/ifgas_stream.cpp
+++ b/xfa/fgas/crt/ifgas_stream.cpp
@@ -38,7 +38,6 @@ class IFGAS_StreamImp {
IFGAS_StreamImp();
uint32_t GetAccessModes() const { return m_dwAccess; }
- void SetAccessModes(uint32_t modes) { m_dwAccess = modes; }
private:
uint32_t m_dwAccess;
@@ -49,7 +48,7 @@ class CFGAS_BufferStreamImp : public IFGAS_StreamImp {
CFGAS_BufferStreamImp();
~CFGAS_BufferStreamImp() override {}
- bool LoadBuffer(uint8_t* pData, int32_t iTotalSize, uint32_t dwAccess);
+ bool LoadBuffer(uint8_t* pData, int32_t iTotalSize);
// IFGAS_StreamImp:
int32_t GetLength() const override;
@@ -75,8 +74,7 @@ class CFGAS_FileReadStreamImp : public IFGAS_StreamImp {
CFGAS_FileReadStreamImp();
~CFGAS_FileReadStreamImp() override {}
- bool LoadFileRead(const CFX_RetainPtr<IFX_SeekableReadStream>& pFileRead,
- uint32_t dwAccess);
+ bool LoadFileRead(const CFX_RetainPtr<IFX_SeekableReadStream>& pFileRead);
// IFGAS_StreamImp:
int32_t GetLength() const override;
@@ -140,9 +138,8 @@ class CFGAS_Stream : public IFGAS_Stream {
template <typename T, typename... Args>
friend CFX_RetainPtr<T> pdfium::MakeRetain(Args&&... args);
- bool LoadBuffer(uint8_t* pData, int32_t iTotalSize, uint32_t dwAccess);
- bool LoadFileRead(const CFX_RetainPtr<IFX_SeekableReadStream>& pFileRead,
- uint32_t dwAccess);
+ bool LoadBuffer(uint8_t* pData, int32_t iTotalSize);
+ bool LoadFileRead(const CFX_RetainPtr<IFX_SeekableReadStream>& pFileRead);
bool LoadFileWrite(const CFX_RetainPtr<IFX_SeekableWriteStream>& pFileWrite,
uint32_t dwAccess);
@@ -230,11 +227,8 @@ CFGAS_FileReadStreamImp::CFGAS_FileReadStreamImp()
: m_pFileRead(nullptr), m_iPosition(0), m_iLength(0) {}
bool CFGAS_FileReadStreamImp::LoadFileRead(
- const CFX_RetainPtr<IFX_SeekableReadStream>& pFileRead,
- uint32_t dwAccess) {
+ const CFX_RetainPtr<IFX_SeekableReadStream>& pFileRead) {
ASSERT(!m_pFileRead && pFileRead);
- if (dwAccess & FX_STREAMACCESS_Write)
- return false;
m_pFileRead = pFileRead;
m_iLength = m_pFileRead->GetSize();
@@ -303,12 +297,8 @@ bool CFGAS_FileWriteStreamImp::LoadFileWrite(
const CFX_RetainPtr<IFX_SeekableWriteStream>& pFileWrite,
uint32_t dwAccess) {
ASSERT(!m_pFileWrite && pFileWrite);
- if (dwAccess & FX_STREAMACCESS_Read)
- return false;
-
- if (dwAccess & FX_STREAMACCESS_Append)
- m_iPosition = pFileWrite->GetSize();
+ m_iPosition = pFileWrite->GetSize();
m_pFileWrite = pFileWrite;
return true;
}
@@ -364,15 +354,13 @@ void CFGAS_FileWriteStreamImp::Flush() {
CFGAS_BufferStreamImp::CFGAS_BufferStreamImp()
: m_pData(nullptr), m_iTotalSize(0), m_iPosition(0), m_iLength(0) {}
-bool CFGAS_BufferStreamImp::LoadBuffer(uint8_t* pData,
- int32_t iTotalSize,
- uint32_t dwAccess) {
+bool CFGAS_BufferStreamImp::LoadBuffer(uint8_t* pData, int32_t iTotalSize) {
ASSERT(!m_pData && pData && iTotalSize > 0);
- SetAccessModes(dwAccess);
+
m_pData = pData;
m_iTotalSize = iTotalSize;
m_iPosition = 0;
- m_iLength = (dwAccess & FX_STREAMACCESS_Write) != 0 ? 0 : iTotalSize;
+ m_iLength = iTotalSize;
return true;
}
int32_t CFGAS_BufferStreamImp::GetLength() const {
@@ -434,35 +422,17 @@ int32_t CFGAS_BufferStreamImp::ReadString(wchar_t* pStr,
bEOS = (*pSrc == L'\0') || (m_iPosition >= m_iLength);
return iCount;
}
+
int32_t CFGAS_BufferStreamImp::WriteData(const uint8_t* pBuffer,
int32_t iBufferSize) {
- ASSERT(m_pData && (GetAccessModes() & FX_STREAMACCESS_Write) != 0);
- ASSERT(pBuffer && iBufferSize > 0);
- int32_t iLen = std::min(m_iTotalSize - m_iPosition, iBufferSize);
- if (iLen <= 0) {
- return 0;
- }
- memcpy(m_pData + m_iPosition, pBuffer, iLen);
- m_iPosition += iLen;
- if (m_iPosition > m_iLength) {
- m_iLength = m_iPosition;
- }
- return iLen;
+ ASSERT(false);
+ return 0;
}
+
int32_t CFGAS_BufferStreamImp::WriteString(const wchar_t* pStr,
int32_t iLength) {
- ASSERT(m_pData && (GetAccessModes() & FX_STREAMACCESS_Write) != 0);
- ASSERT(pStr && iLength > 0);
- int32_t iLen = std::min((m_iTotalSize - m_iPosition) / 2, iLength);
- if (iLen <= 0) {
- return 0;
- }
- memcpy(m_pData + m_iPosition, pStr, iLen * 2);
- m_iPosition += iLen * 2;
- if (m_iPosition > m_iLength) {
- m_iLength = m_iPosition;
- }
- return iLen;
+ ASSERT(false);
+ return 0;
}
CFGAS_TextStream::CFGAS_TextStream(const CFX_RetainPtr<IFGAS_Stream>& pStream)
@@ -672,8 +642,7 @@ CFGAS_Stream::~CFGAS_Stream() {
}
bool CFGAS_Stream::LoadFileRead(
- const CFX_RetainPtr<IFX_SeekableReadStream>& pFileRead,
- uint32_t dwAccess) {
+ const CFX_RetainPtr<IFX_SeekableReadStream>& pFileRead) {
if (m_eStreamType != FX_SREAMTYPE_Unknown || m_pStreamImp)
return false;
@@ -681,12 +650,12 @@ bool CFGAS_Stream::LoadFileRead(
return false;
auto pImp = pdfium::MakeUnique<CFGAS_FileReadStreamImp>();
- if (!pImp->LoadFileRead(pFileRead, dwAccess))
+ if (!pImp->LoadFileRead(pFileRead))
return false;
m_pStreamImp = pImp.release();
m_eStreamType = FX_STREAMTYPE_File;
- m_dwAccess = dwAccess;
+ m_dwAccess = 0;
m_iLength = m_pStreamImp->GetLength();
return true;
}
@@ -711,9 +680,7 @@ bool CFGAS_Stream::LoadFileWrite(
return true;
}
-bool CFGAS_Stream::LoadBuffer(uint8_t* pData,
- int32_t iTotalSize,
- uint32_t dwAccess) {
+bool CFGAS_Stream::LoadBuffer(uint8_t* pData, int32_t iTotalSize) {
if (m_eStreamType != FX_SREAMTYPE_Unknown || m_pStreamImp)
return false;
@@ -721,12 +688,12 @@ bool CFGAS_Stream::LoadBuffer(uint8_t* pData,
return false;
auto pImp = pdfium::MakeUnique<CFGAS_BufferStreamImp>();
- if (!pImp->LoadBuffer(pData, iTotalSize, dwAccess))
+ if (!pImp->LoadBuffer(pData, iTotalSize))
return false;
m_pStreamImp = pImp.release();
m_eStreamType = FX_STREAMTYPE_Buffer;
- m_dwAccess = dwAccess;
+ m_dwAccess = 0;
m_iLength = m_pStreamImp->GetLength();
return true;
}
@@ -944,7 +911,7 @@ bool CFGAS_FileRead::ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) {
CFX_RetainPtr<IFGAS_Stream> IFGAS_Stream::CreateReadStream(
const CFX_RetainPtr<IFX_SeekableReadStream>& pFileRead) {
auto pSR = pdfium::MakeRetain<CFGAS_Stream>();
- if (!pSR->LoadFileRead(pFileRead, FX_STREAMACCESS_Read))
+ if (!pSR->LoadFileRead(pFileRead))
return nullptr;
return pdfium::MakeRetain<CFGAS_TextStream>(pSR);
}
@@ -953,8 +920,7 @@ CFX_RetainPtr<IFGAS_Stream> IFGAS_Stream::CreateReadStream(
CFX_RetainPtr<IFGAS_Stream> IFGAS_Stream::CreateWriteStream(
const CFX_RetainPtr<IFX_SeekableWriteStream>& pFileWrite) {
auto pSR = pdfium::MakeRetain<CFGAS_Stream>();
- if (!pSR->LoadFileWrite(pFileWrite,
- FX_STREAMACCESS_Write | FX_STREAMACCESS_Append))
+ if (!pSR->LoadFileWrite(pFileWrite, FX_STREAMACCESS_Write))
return nullptr;
return pdfium::MakeRetain<CFGAS_TextStream>(pSR);
}
@@ -963,7 +929,7 @@ CFX_RetainPtr<IFGAS_Stream> IFGAS_Stream::CreateWriteStream(
CFX_RetainPtr<IFGAS_Stream> IFGAS_Stream::CreateStream(uint8_t* pData,
int32_t length) {
auto pSR = pdfium::MakeRetain<CFGAS_Stream>();
- if (!pSR->LoadBuffer(pData, length, 0))
+ if (!pSR->LoadBuffer(pData, length))
return nullptr;
return pSR;
}