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-rw-r--r--core/fxcrt/fx_stream.h13
-rw-r--r--core/fxcrt/xml/cxml_databufacc.cpp20
-rw-r--r--core/fxcrt/xml/cxml_databufacc.h31
-rw-r--r--core/fxcrt/xml/cxml_parser.cpp145
-rw-r--r--core/fxcrt/xml/cxml_parser.h4
5 files changed, 56 insertions, 157 deletions
diff --git a/core/fxcrt/fx_stream.h b/core/fxcrt/fx_stream.h
index f77da29de3..c9306c9548 100644
--- a/core/fxcrt/fx_stream.h
+++ b/core/fxcrt/fx_stream.h
@@ -127,19 +127,6 @@ class IFX_MemoryStream : public IFX_SeekableStream {
virtual void DetachBuffer() = 0;
};
-class IFX_BufferedReadStream : public IFX_ReadStream {
- public:
- // IFX_ReadStream:
- bool IsEOF() override = 0;
- FX_FILESIZE GetPosition() override = 0;
- size_t ReadBlock(void* buffer, size_t size) override = 0;
-
- virtual bool ReadNextBlock(bool bRestart = false) = 0;
- virtual const uint8_t* GetBlockBuffer() = 0;
- virtual size_t GetBlockSize() = 0;
- virtual FX_FILESIZE GetBlockOffset() = 0;
-};
-
#ifdef PDF_ENABLE_XFA
class IFX_FileAccess : public CFX_Retainable {
public:
diff --git a/core/fxcrt/xml/cxml_databufacc.cpp b/core/fxcrt/xml/cxml_databufacc.cpp
new file mode 100644
index 0000000000..b3e2e1f3e0
--- /dev/null
+++ b/core/fxcrt/xml/cxml_databufacc.cpp
@@ -0,0 +1,20 @@
+// Copyright 2017 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fxcrt/xml/cxml_databufacc.h"
+
+CXML_DataBufAcc::CXML_DataBufAcc(const uint8_t* pBuffer, size_t size)
+ : m_pBuffer(pBuffer), m_dwSize(size), m_dwCurPos(0) {}
+
+CXML_DataBufAcc::~CXML_DataBufAcc() {}
+
+bool CXML_DataBufAcc::ReadNextBlock() {
+ if (m_dwCurPos >= m_dwSize)
+ return false;
+
+ m_dwCurPos = m_dwSize;
+ return true;
+}
diff --git a/core/fxcrt/xml/cxml_databufacc.h b/core/fxcrt/xml/cxml_databufacc.h
new file mode 100644
index 0000000000..4fb44b302c
--- /dev/null
+++ b/core/fxcrt/xml/cxml_databufacc.h
@@ -0,0 +1,31 @@
+// Copyright 2017 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FXCRT_XML_CXML_DATABUFACC_H_
+#define CORE_FXCRT_XML_CXML_DATABUFACC_H_
+
+#include "core/fxcrt/fx_system.h"
+
+class CXML_DataBufAcc {
+ public:
+ CXML_DataBufAcc(const uint8_t* pBuffer, size_t size);
+ ~CXML_DataBufAcc();
+
+ bool IsEOF() const { return m_dwCurPos >= m_dwSize; }
+ FX_FILESIZE GetPosition() const {
+ return static_cast<FX_FILESIZE>(m_dwCurPos);
+ }
+ bool ReadNextBlock();
+ const uint8_t* GetBlockBuffer() const { return m_pBuffer; }
+ size_t GetBlockSize() const { return m_dwSize; }
+
+ private:
+ const uint8_t* m_pBuffer;
+ size_t m_dwSize;
+ size_t m_dwCurPos;
+};
+
+#endif // CORE_FXCRT_XML_CXML_DATABUFACC_H_
diff --git a/core/fxcrt/xml/cxml_parser.cpp b/core/fxcrt/xml/cxml_parser.cpp
index be48b7adc2..09c61d1b32 100644
--- a/core/fxcrt/xml/cxml_parser.cpp
+++ b/core/fxcrt/xml/cxml_parser.cpp
@@ -69,147 +69,6 @@ bool g_FXCRT_XML_IsNameChar(uint8_t ch) {
return !!(g_FXCRT_XML_ByteTypes[ch] & FXCRTM_XML_CHARTYPE_NameChar);
}
-class CXML_DataBufAcc : public IFX_BufferedReadStream {
- public:
- template <typename T, typename... Args>
- friend CFX_RetainPtr<T> pdfium::MakeRetain(Args&&... args);
-
- // IFX_BufferedReadStream
- bool IsEOF() override;
- FX_FILESIZE GetPosition() override;
- size_t ReadBlock(void* buffer, size_t size) override;
- bool ReadNextBlock(bool bRestart) override;
- const uint8_t* GetBlockBuffer() override;
- size_t GetBlockSize() override;
- FX_FILESIZE GetBlockOffset() override;
-
- private:
- CXML_DataBufAcc(const uint8_t* pBuffer, size_t size);
- ~CXML_DataBufAcc() override;
-
- const uint8_t* m_pBuffer;
- size_t m_dwSize;
- size_t m_dwCurPos;
-};
-
-CXML_DataBufAcc::CXML_DataBufAcc(const uint8_t* pBuffer, size_t size)
- : m_pBuffer(pBuffer), m_dwSize(size), m_dwCurPos(0) {}
-
-CXML_DataBufAcc::~CXML_DataBufAcc() {}
-
-bool CXML_DataBufAcc::IsEOF() {
- return m_dwCurPos >= m_dwSize;
-}
-
-FX_FILESIZE CXML_DataBufAcc::GetPosition() {
- return static_cast<FX_FILESIZE>(m_dwCurPos);
-}
-
-size_t CXML_DataBufAcc::ReadBlock(void* buffer, size_t size) {
- return 0;
-}
-
-bool CXML_DataBufAcc::ReadNextBlock(bool bRestart) {
- if (bRestart)
- m_dwCurPos = 0;
-
- if (m_dwCurPos < m_dwSize) {
- m_dwCurPos = m_dwSize;
- return true;
- }
- return false;
-}
-
-const uint8_t* CXML_DataBufAcc::GetBlockBuffer() {
- return m_pBuffer;
-}
-
-size_t CXML_DataBufAcc::GetBlockSize() {
- return m_dwSize;
-}
-
-FX_FILESIZE CXML_DataBufAcc::GetBlockOffset() {
- return 0;
-}
-
-class CXML_DataStmAcc : public IFX_BufferedReadStream {
- public:
- template <typename T, typename... Args>
- friend CFX_RetainPtr<T> pdfium::MakeRetain(Args&&... args);
-
- // IFX_BufferedReadStream
- bool IsEOF() override;
- FX_FILESIZE GetPosition() override;
- size_t ReadBlock(void* buffer, size_t size) override;
- bool ReadNextBlock(bool bRestart) override;
- const uint8_t* GetBlockBuffer() override;
- size_t GetBlockSize() override;
- FX_FILESIZE GetBlockOffset() override;
-
- private:
- explicit CXML_DataStmAcc(
- const CFX_RetainPtr<IFX_SeekableReadStream>& pFileRead);
- ~CXML_DataStmAcc() override;
-
- CFX_RetainPtr<IFX_SeekableReadStream> m_pFileRead;
- uint8_t* m_pBuffer;
- FX_FILESIZE m_nStart;
- size_t m_dwSize;
-};
-
-CXML_DataStmAcc::CXML_DataStmAcc(
- const CFX_RetainPtr<IFX_SeekableReadStream>& pFileRead)
- : m_pFileRead(pFileRead), m_pBuffer(nullptr), m_nStart(0), m_dwSize(0) {
- ASSERT(m_pFileRead);
-}
-
-CXML_DataStmAcc::~CXML_DataStmAcc() {
- FX_Free(m_pBuffer);
-}
-
-bool CXML_DataStmAcc::IsEOF() {
- return m_nStart + static_cast<FX_FILESIZE>(m_dwSize) >=
- m_pFileRead->GetSize();
-}
-
-FX_FILESIZE CXML_DataStmAcc::GetPosition() {
- return m_nStart + static_cast<FX_FILESIZE>(m_dwSize);
-}
-
-size_t CXML_DataStmAcc::ReadBlock(void* buffer, size_t size) {
- return 0;
-}
-
-bool CXML_DataStmAcc::ReadNextBlock(bool bRestart) {
- if (bRestart)
- m_nStart = 0;
-
- FX_FILESIZE nLength = m_pFileRead->GetSize();
- m_nStart += static_cast<FX_FILESIZE>(m_dwSize);
- if (m_nStart >= nLength)
- return false;
-
- static const FX_FILESIZE FX_XMLDATASTREAM_BufferSize = 32 * 1024;
- m_dwSize = static_cast<size_t>(
- std::min(FX_XMLDATASTREAM_BufferSize, nLength - m_nStart));
- if (!m_pBuffer)
- m_pBuffer = FX_Alloc(uint8_t, m_dwSize);
-
- return m_pFileRead->ReadBlock(m_pBuffer, m_nStart, m_dwSize);
-}
-
-const uint8_t* CXML_DataStmAcc::GetBlockBuffer() {
- return (const uint8_t*)m_pBuffer;
-}
-
-size_t CXML_DataStmAcc::GetBlockSize() {
- return m_dwSize;
-}
-
-FX_FILESIZE CXML_DataStmAcc::GetBlockOffset() {
- return m_nStart;
-}
-
} // namespace
void FX_XML_SplitQualifiedName(const CFX_ByteStringC& bsFullName,
@@ -237,7 +96,7 @@ CXML_Parser::CXML_Parser()
CXML_Parser::~CXML_Parser() {}
bool CXML_Parser::Init(const uint8_t* pBuffer, size_t size) {
- m_pDataAcc = pdfium::MakeRetain<CXML_DataBufAcc>(pBuffer, size);
+ m_pDataAcc = pdfium::MakeUnique<CXML_DataBufAcc>(pBuffer, size);
m_nOffset = 0;
return ReadNextBlock();
}
@@ -248,7 +107,7 @@ bool CXML_Parser::ReadNextBlock() {
m_pBuffer = m_pDataAcc->GetBlockBuffer();
m_dwBufferSize = m_pDataAcc->GetBlockSize();
- m_nBufferOffset = m_pDataAcc->GetBlockOffset();
+ m_nBufferOffset = 0;
m_dwIndex = 0;
return m_dwBufferSize > 0;
}
diff --git a/core/fxcrt/xml/cxml_parser.h b/core/fxcrt/xml/cxml_parser.h
index 37f14e9834..371edf2ebb 100644
--- a/core/fxcrt/xml/cxml_parser.h
+++ b/core/fxcrt/xml/cxml_parser.h
@@ -11,6 +11,7 @@
#include <memory>
#include "core/fxcrt/fx_stream.h"
+#include "core/fxcrt/xml/cxml_databufacc.h"
class CFX_UTF8Decoder;
class CXML_Element;
@@ -40,7 +41,8 @@ class CXML_Parser {
CXML_Element* pElement);
void InsertCDATASegment(CFX_UTF8Decoder& decoder, CXML_Element* pElement);
- CFX_RetainPtr<IFX_BufferedReadStream> m_pDataAcc;
+ private:
+ std::unique_ptr<CXML_DataBufAcc> m_pDataAcc;
FX_FILESIZE m_nOffset;
const uint8_t* m_pBuffer;
size_t m_dwBufferSize;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-18 17:56:24 +0000