From 5110c4743751145c4ae1934cd1d83bc6c55bb43f Mon Sep 17 00:00:00 2001
From: John Abd-El-Malek <jabdelmalek@google.com>
Date: Sat, 17 May 2014 22:33:34 -0700
Subject: Initial commit.

---
 core/include/fxcrt/fx_arb.h         |   20 +
 core/include/fxcrt/fx_basic.h       | 1642 +++++++++++++++++++++++++++++++++++
 core/include/fxcrt/fx_coordinates.h |  900 +++++++++++++++++++
 core/include/fxcrt/fx_ext.h         |  103 +++
 core/include/fxcrt/fx_memory.h      |  300 +++++++
 core/include/fxcrt/fx_stream.h      |  200 +++++
 core/include/fxcrt/fx_string.h      |  870 +++++++++++++++++++
 core/include/fxcrt/fx_system.h      |  279 ++++++
 core/include/fxcrt/fx_ucd.h         |  112 +++
 core/include/fxcrt/fx_xml.h         |  209 +++++
 10 files changed, 4635 insertions(+)
 create mode 100644 core/include/fxcrt/fx_arb.h
 create mode 100644 core/include/fxcrt/fx_basic.h
 create mode 100644 core/include/fxcrt/fx_coordinates.h
 create mode 100644 core/include/fxcrt/fx_ext.h
 create mode 100644 core/include/fxcrt/fx_memory.h
 create mode 100644 core/include/fxcrt/fx_stream.h
 create mode 100644 core/include/fxcrt/fx_string.h
 create mode 100644 core/include/fxcrt/fx_system.h
 create mode 100644 core/include/fxcrt/fx_ucd.h
 create mode 100644 core/include/fxcrt/fx_xml.h

(limited to 'core/include/fxcrt')

diff --git a/core/include/fxcrt/fx_arb.h b/core/include/fxcrt/fx_arb.h
new file mode 100644
index 0000000000..4950f81716
--- /dev/null
+++ b/core/include/fxcrt/fx_arb.h
@@ -0,0 +1,20 @@
+// Copyright 2014 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 _FX_ARABIC_
+#define _FX_ARABIC_
+class IFX_BidiChar
+{
+public:
+    static IFX_BidiChar*	Create();
+    virtual void			Release() = 0;
+    virtual void			SetPolicy(FX_BOOL bSeparateNeutral = TRUE) = 0;
+    virtual FX_BOOL			AppendChar(FX_WCHAR wch) = 0;
+    virtual FX_BOOL			EndChar() = 0;
+    virtual FX_INT32		GetBidiInfo(FX_INT32 &iStart, FX_INT32 &iCount) = 0;
+    virtual void			Reset() = 0;
+};
+#endif
diff --git a/core/include/fxcrt/fx_basic.h b/core/include/fxcrt/fx_basic.h
new file mode 100644
index 0000000000..29bc221e5b
--- /dev/null
+++ b/core/include/fxcrt/fx_basic.h
@@ -0,0 +1,1642 @@
+// Copyright 2014 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 _FX_BASIC_H_
+#define _FX_BASIC_H_
+#ifndef _FX_SYSTEM_H_
+#include "fx_system.h"
+#endif
+#ifndef _FX_MEMORY_H_
+#include "fx_memory.h"
+#endif
+#ifndef _FX_STRING_H_
+#include "fx_string.h"
+#endif
+#ifndef _FX_STREAM_H_
+#include "fx_stream.h"
+#endif
+class CFX_BinaryBuf : public CFX_Object
+{
+public:
+
+    CFX_BinaryBuf(IFX_Allocator* pAllocator = NULL);
+
+    CFX_BinaryBuf(FX_STRSIZE size, IFX_Allocator* pAllocator = NULL);
+
+    ~CFX_BinaryBuf();
+
+    void					Clear();
+
+    void					EstimateSize(FX_STRSIZE size, FX_STRSIZE alloc_step = 0);
+
+    void					AppendBlock(const void* pBuf, FX_STRSIZE size);
+
+    void					AppendFill(FX_BYTE byte, FX_STRSIZE count);
+
+    void					AppendString(FX_BSTR str)
+    {
+        AppendBlock(str.GetPtr(), str.GetLength());
+    }
+
+    inline void				AppendByte(FX_BYTE byte)
+    {
+        if (m_AllocSize <= m_DataSize) {
+            ExpandBuf(1);
+        }
+        m_pBuffer[m_DataSize++] = byte;
+    }
+
+    void					InsertBlock(FX_STRSIZE pos, const void* pBuf, FX_STRSIZE size);
+
+    void					AttachData(void* pBuf, FX_STRSIZE size);
+
+    void					CopyData(const void* pBuf, FX_STRSIZE size);
+
+    void					TakeOver(CFX_BinaryBuf& other);
+
+    void					Delete(int start_index, int count);
+
+    FX_LPBYTE				GetBuffer() const
+    {
+        return m_pBuffer;
+    }
+
+    FX_STRSIZE				GetSize() const
+    {
+        return m_DataSize;
+    }
+
+    CFX_ByteStringC			GetByteString() const;
+    void					GetByteStringL(CFX_ByteStringL &str) const;
+
+    void					DetachBuffer();
+
+    IFX_Allocator*			m_pAllocator;
+protected:
+
+    FX_STRSIZE				m_AllocStep;
+
+    FX_LPBYTE				m_pBuffer;
+
+    FX_STRSIZE				m_DataSize;
+
+    FX_STRSIZE				m_AllocSize;
+
+    void					ExpandBuf(FX_STRSIZE size);
+};
+class CFX_ByteTextBuf : public CFX_BinaryBuf
+{
+public:
+
+    CFX_ByteTextBuf(IFX_Allocator* pAllocator = NULL) : CFX_BinaryBuf(pAllocator) {}
+
+    void					operator = (FX_BSTR str);
+
+    void					AppendChar(int ch)
+    {
+        AppendByte((FX_BYTE)ch);
+    }
+
+    CFX_ByteTextBuf&		operator << (int i);
+
+    CFX_ByteTextBuf&		operator << (FX_DWORD i);
+
+    CFX_ByteTextBuf&		operator << (double f);
+
+    CFX_ByteTextBuf&		operator << (FX_BSTR lpsz);
+
+    CFX_ByteTextBuf&		operator << (const CFX_ByteTextBuf& buf);
+
+    FX_STRSIZE				GetLength() const
+    {
+        return m_DataSize;
+    }
+};
+class CFX_WideTextBuf : public CFX_BinaryBuf
+{
+public:
+
+    CFX_WideTextBuf(IFX_Allocator* pAllocator = NULL) : CFX_BinaryBuf(pAllocator) {}
+
+    void					operator = (FX_LPCWSTR lpsz);
+
+    void					operator = (FX_WSTR str);
+
+    void					AppendChar(FX_WCHAR wch);
+
+    CFX_WideTextBuf&		operator << (int i);
+
+    CFX_WideTextBuf&		operator << (double f);
+
+    CFX_WideTextBuf&		operator << (FX_LPCWSTR lpsz);
+
+    CFX_WideTextBuf&		operator << (FX_WSTR str);
+    CFX_WideTextBuf&		operator << (const CFX_WideString &str);
+
+    CFX_WideTextBuf&		operator << (const CFX_WideTextBuf& buf);
+
+    FX_STRSIZE				GetLength() const
+    {
+        return m_DataSize / sizeof(FX_WCHAR);
+    }
+
+    FX_LPWSTR				GetBuffer() const
+    {
+        return (FX_LPWSTR)m_pBuffer;
+    }
+
+    void					Delete(int start_index, int count)
+    {
+        CFX_BinaryBuf::Delete(start_index * sizeof(FX_WCHAR), count * sizeof(FX_WCHAR));
+    }
+
+    CFX_WideStringC			GetWideString() const;
+    void					GetWideStringL(CFX_WideStringL& wideText) const;
+};
+class CFX_ArchiveSaver : public CFX_Object
+{
+public:
+
+    CFX_ArchiveSaver(IFX_Allocator* pAllocator = NULL) : m_SavingBuf(pAllocator), m_pStream(NULL) {}
+
+    CFX_ArchiveSaver&		operator << (FX_BYTE i);
+
+    CFX_ArchiveSaver&		operator << (int i);
+
+    CFX_ArchiveSaver&		operator << (FX_DWORD i);
+
+    CFX_ArchiveSaver&		operator << (FX_FLOAT i);
+
+    CFX_ArchiveSaver&		operator << (double i);
+
+    CFX_ArchiveSaver&		operator << (FX_BSTR bstr);
+
+    CFX_ArchiveSaver&		operator << (FX_LPCWSTR bstr);
+
+    CFX_ArchiveSaver&		operator << (const CFX_WideString& wstr);
+
+    void					Write(const void* pData, FX_STRSIZE dwSize);
+
+    FX_INTPTR				GetLength()
+    {
+        return m_SavingBuf.GetSize();
+    }
+
+    FX_LPCBYTE				GetBuffer()
+    {
+        return m_SavingBuf.GetBuffer();
+    }
+
+    void					SetStream(IFX_FileStream* pStream)
+    {
+        m_pStream = pStream;
+    }
+protected:
+
+    CFX_BinaryBuf			m_SavingBuf;
+
+    IFX_FileStream*			m_pStream;
+};
+class CFX_ArchiveLoader : public CFX_Object
+{
+public:
+
+    CFX_ArchiveLoader(FX_LPCBYTE pData, FX_DWORD dwSize);
+
+    CFX_ArchiveLoader&		operator >> (FX_BYTE& i);
+
+    CFX_ArchiveLoader&		operator >> (int& i);
+
+    CFX_ArchiveLoader&		operator >> (FX_DWORD& i);
+
+    CFX_ArchiveLoader&		operator >> (FX_FLOAT& i);
+
+    CFX_ArchiveLoader&		operator >> (double& i);
+
+    CFX_ArchiveLoader&		operator >> (CFX_ByteString& bstr);
+
+    CFX_ArchiveLoader&		operator >> (CFX_WideString& wstr);
+
+    FX_BOOL					IsEOF();
+
+    FX_BOOL					Read(void* pBuf, FX_DWORD dwSize);
+protected:
+
+    FX_DWORD				m_LoadingPos;
+
+    FX_LPCBYTE				m_pLoadingBuf;
+
+    FX_DWORD				m_LoadingSize;
+};
+class IFX_BufferArchive
+{
+public:
+
+    IFX_BufferArchive(FX_STRSIZE size, IFX_Allocator* pAllocator = NULL);
+
+
+    virtual void			Clear();
+
+
+    FX_BOOL					Flush();
+
+
+    FX_INT32				AppendBlock(const void* pBuf, size_t size);
+
+    FX_INT32				AppendByte(FX_BYTE byte);
+
+    FX_INT32				AppendDWord(FX_DWORD i);
+
+
+    FX_INT32				AppendString(FX_BSTR lpsz);
+
+protected:
+
+    virtual	FX_BOOL			DoWork(const void* pBuf, size_t size) = 0;
+
+
+    IFX_Allocator*			m_pAllocator;
+
+    FX_STRSIZE				m_BufSize;
+
+    FX_LPBYTE				m_pBuffer;
+
+    FX_STRSIZE				m_Length;
+};
+class CFX_FileBufferArchive : public IFX_BufferArchive, public CFX_Object
+{
+public:
+    CFX_FileBufferArchive(FX_STRSIZE size = 32768, IFX_Allocator* pAllocator = NULL);
+    ~CFX_FileBufferArchive();
+    virtual void			Clear();
+
+    FX_BOOL					AttachFile(IFX_StreamWrite *pFile, FX_BOOL bTakeover = FALSE);
+
+    FX_BOOL					AttachFile(FX_LPCWSTR filename);
+
+    FX_BOOL					AttachFile(FX_LPCSTR filename);
+private:
+
+    virtual FX_BOOL			DoWork(const void* pBuf, size_t size);
+
+    IFX_StreamWrite			*m_pFile;
+
+    FX_BOOL					m_bTakeover;
+};
+struct CFX_CharMap {
+
+    static CFX_CharMap*		GetDefaultMapper(FX_INT32 codepage = 0);
+
+
+    CFX_WideString	(*m_GetWideString)(CFX_CharMap* pMap, const CFX_ByteString& bstr);
+
+    CFX_ByteString	(*m_GetByteString)(CFX_CharMap* pMap, const CFX_WideString& wstr);
+
+    FX_INT32		(*m_GetCodePage)();
+};
+class CFX_UTF8Decoder
+{
+public:
+
+    CFX_UTF8Decoder(IFX_Allocator* pAllocator = NULL) : m_Buffer(pAllocator)
+    {
+        m_PendingBytes = 0;
+    }
+
+    void			Clear();
+
+    void			Input(FX_BYTE byte);
+
+    void			AppendChar(FX_DWORD ch);
+
+    void			ClearStatus()
+    {
+        m_PendingBytes = 0;
+    }
+
+    CFX_WideStringC	GetResult() const
+    {
+        return m_Buffer.GetWideString();
+    }
+    void			GetResult(CFX_WideStringL &result) const
+    {
+        m_Buffer.GetWideStringL(result);
+    }
+protected:
+
+    int				m_PendingBytes;
+
+    FX_DWORD		m_PendingChar;
+
+    CFX_WideTextBuf	m_Buffer;
+};
+class CFX_UTF8Encoder
+{
+public:
+
+    CFX_UTF8Encoder(IFX_Allocator* pAllocator = NULL) : m_Buffer(pAllocator)
+    {
+        m_UTF16First = 0;
+    }
+
+    void			Input(FX_WCHAR unicode);
+
+    void			AppendStr(FX_BSTR str)
+    {
+        m_UTF16First = 0;
+        m_Buffer << str;
+    }
+
+    CFX_ByteStringC	GetResult() const
+    {
+        return m_Buffer.GetByteString();
+    }
+    void			GetResult(CFX_ByteStringL &result) const
+    {
+        m_Buffer.GetByteStringL(result);
+    }
+protected:
+
+    CFX_ByteTextBuf	m_Buffer;
+
+    FX_DWORD		m_UTF16First;
+};
+CFX_ByteString FX_UrlEncode(const CFX_WideString& wsUrl);
+CFX_WideString FX_UrlDecode(const CFX_ByteString& bsUrl);
+CFX_ByteString FX_EncodeURI(const CFX_WideString& wsURI);
+CFX_WideString FX_DecodeURI(const CFX_ByteString& bsURI);
+class CFX_BasicArray : public CFX_Object
+{
+public:
+
+    IFX_Allocator*	m_pAllocator;
+protected:
+
+    CFX_BasicArray(int unit_size, IFX_Allocator* pAllocator = NULL);
+
+    ~CFX_BasicArray();
+
+    FX_BOOL			SetSize(int nNewSize, int nGrowBy);
+
+    FX_BOOL			Append(const CFX_BasicArray& src);
+
+    FX_BOOL			Copy(const CFX_BasicArray& src);
+
+    FX_LPBYTE		InsertSpaceAt(int nIndex, int nCount);
+
+    FX_BOOL			RemoveAt(int nIndex, int nCount);
+
+    FX_BOOL			InsertAt(int nStartIndex, const CFX_BasicArray* pNewArray);
+
+    const void*		GetDataPtr(int index) const;
+protected:
+
+    FX_LPBYTE		m_pData;
+
+    int				m_nSize;
+
+    int				m_nMaxSize;
+
+    int				m_nGrowBy;
+
+    int				m_nUnitSize;
+};
+template<class TYPE>
+class CFX_ArrayTemplate : public CFX_BasicArray
+{
+public:
+
+    CFX_ArrayTemplate(IFX_Allocator* pAllocator = NULL) : CFX_BasicArray(sizeof(TYPE), pAllocator) {}
+
+    int			GetSize() const
+    {
+        return m_nSize;
+    }
+
+    int			GetUpperBound() const
+    {
+        return m_nSize - 1;
+    }
+
+    FX_BOOL		SetSize(int nNewSize, int nGrowBy = -1)
+    {
+        return CFX_BasicArray::SetSize(nNewSize, nGrowBy);
+    }
+
+    void		RemoveAll()
+    {
+        SetSize(0, -1);
+    }
+
+    const TYPE	GetAt(int nIndex) const
+    {
+        if (nIndex < 0 || nIndex >= m_nSize) {
+            return (const TYPE&)(*(volatile const TYPE*)NULL);
+        }
+        return ((const TYPE*)m_pData)[nIndex];
+    }
+
+    FX_BOOL		SetAt(int nIndex, TYPE newElement)
+    {
+        if (nIndex < 0 || nIndex >= m_nSize) {
+            return FALSE;
+        }
+        ((TYPE*)m_pData)[nIndex] = newElement;
+        return TRUE;
+    }
+
+    TYPE&		ElementAt(int nIndex)
+    {
+        if (nIndex < 0 || nIndex >= m_nSize) {
+            return *(TYPE*)NULL;
+        }
+        return ((TYPE*)m_pData)[nIndex];
+    }
+
+    const TYPE*	GetData() const
+    {
+        return (const TYPE*)m_pData;
+    }
+
+    TYPE*		GetData()
+    {
+        return (TYPE*)m_pData;
+    }
+
+    FX_BOOL		SetAtGrow(int nIndex, TYPE newElement)
+    {
+        if (nIndex < 0) {
+            return FALSE;
+        }
+        if (nIndex >= m_nSize)
+            if (!SetSize(nIndex + 1, -1)) {
+                return FALSE;
+            }
+        ((TYPE*)m_pData)[nIndex] = newElement;
+        return TRUE;
+    }
+
+    FX_BOOL		Add(TYPE newElement)
+    {
+        if (m_nSize < m_nMaxSize) {
+            m_nSize ++;
+        } else if (!SetSize(m_nSize + 1, -1)) {
+            return FALSE;
+        }
+        ((TYPE*)m_pData)[m_nSize - 1] = newElement;
+        return TRUE;
+    }
+
+    FX_BOOL		Append(const CFX_ArrayTemplate& src)
+    {
+        return CFX_BasicArray::Append(src);
+    }
+
+    FX_BOOL		Copy(const CFX_ArrayTemplate& src)
+    {
+        return CFX_BasicArray::Copy(src);
+    }
+
+    TYPE*		GetDataPtr(int index)
+    {
+        return (TYPE*)CFX_BasicArray::GetDataPtr(index);
+    }
+
+    TYPE*		AddSpace()
+    {
+        return (TYPE*)CFX_BasicArray::InsertSpaceAt(m_nSize, 1);
+    }
+
+    TYPE*		InsertSpaceAt(int nIndex, int nCount)
+    {
+        return (TYPE*)CFX_BasicArray::InsertSpaceAt(nIndex, nCount);
+    }
+
+    const TYPE	operator[](int nIndex) const
+    {
+        if (nIndex < 0 || nIndex >= m_nSize) {
+            *(volatile char*)0 = '\0';
+        }
+        return ((const TYPE*)m_pData)[nIndex];
+    }
+
+    TYPE&		operator[](int nIndex)
+    {
+        if (nIndex < 0 || nIndex >= m_nSize) {
+            *(volatile char*)0 = '\0';
+        }
+        return ((TYPE*)m_pData)[nIndex];
+    }
+
+    FX_BOOL		InsertAt(int nIndex, TYPE newElement, int nCount = 1)
+    {
+        if (!InsertSpaceAt(nIndex, nCount)) {
+            return FALSE;
+        }
+        while (nCount--) {
+            ((TYPE*)m_pData)[nIndex++] = newElement;
+        }
+        return TRUE;
+    }
+
+    FX_BOOL		RemoveAt(int nIndex, int nCount = 1)
+    {
+        return CFX_BasicArray::RemoveAt(nIndex, nCount);
+    }
+
+    FX_BOOL		InsertAt(int nStartIndex, const CFX_BasicArray* pNewArray)
+    {
+        return CFX_BasicArray::InsertAt(nStartIndex, pNewArray);
+    }
+
+    int			Find(TYPE data, int iStart = 0) const
+    {
+        if (iStart < 0) {
+            return -1;
+        }
+        for (; iStart < (int)m_nSize; iStart ++)
+            if (((TYPE*)m_pData)[iStart] == data) {
+                return iStart;
+            }
+        return -1;
+    }
+};
+typedef CFX_ArrayTemplate<FX_BYTE>		CFX_ByteArray;
+typedef CFX_ArrayTemplate<FX_WORD>		CFX_WordArray;
+typedef CFX_ArrayTemplate<FX_DWORD>		CFX_DWordArray;
+typedef CFX_ArrayTemplate<void*>		CFX_PtrArray;
+typedef CFX_ArrayTemplate<FX_FILESIZE>	CFX_FileSizeArray;
+typedef CFX_ArrayTemplate<FX_FLOAT>		CFX_FloatArray;
+typedef CFX_ArrayTemplate<FX_INT32>		CFX_Int32Array;
+template <class ObjectClass>
+class CFX_ObjectArray : public CFX_BasicArray
+{
+public:
+
+    CFX_ObjectArray(IFX_Allocator* pAllocator = NULL) : CFX_BasicArray(sizeof(ObjectClass), pAllocator) {}
+
+    ~CFX_ObjectArray()
+    {
+        RemoveAll();
+    }
+
+    void			Add(const ObjectClass& data)
+    {
+        new ((void*)InsertSpaceAt(m_nSize, 1)) ObjectClass(data);
+    }
+
+    ObjectClass&	Add()
+    {
+        return *(ObjectClass*) new ((void*)InsertSpaceAt(m_nSize, 1)) ObjectClass();
+    }
+
+    void*			AddSpace()
+    {
+        return InsertSpaceAt(m_nSize, 1);
+    }
+
+    FX_INT32		Append(const CFX_ObjectArray& src, FX_INT32 nStart = 0, FX_INT32 nCount = -1)
+    {
+        if (nCount == 0) {
+            return 0;
+        }
+        FX_INT32 nSize = src.GetSize();
+        if (!nSize) {
+            return 0;
+        }
+        FXSYS_assert(nStart > -1 && nStart < nSize);
+        if (nCount < 0) {
+            nCount = nSize;
+        }
+        if (nStart + nCount > nSize) {
+            nCount = nSize - nStart;
+        }
+        if (nCount < 1) {
+            return 0;
+        }
+        nSize = m_nSize;
+        InsertSpaceAt(m_nSize, nCount);
+        ObjectClass* pStartObj = (ObjectClass*)GetDataPtr(nSize);
+        nSize = nStart + nCount;
+        for (FX_INT32 i = nStart; i < nSize; i ++, pStartObj++) {
+            new ((void*)pStartObj) ObjectClass(src[i]);
+        }
+        return nCount;
+    }
+
+    FX_INT32		Copy(const CFX_ObjectArray& src, FX_INT32 nStart = 0, FX_INT32 nCount = -1)
+    {
+        if (nCount == 0) {
+            return 0;
+        }
+        FX_INT32 nSize = src.GetSize();
+        if (!nSize) {
+            return 0;
+        }
+        FXSYS_assert(nStart > -1 && nStart < nSize);
+        if (nCount < 0) {
+            nCount = nSize;
+        }
+        if (nStart + nCount > nSize) {
+            nCount = nSize - nStart;
+        }
+        if (nCount < 1) {
+            return 0;
+        }
+        RemoveAll();
+        SetSize(nCount, -1);
+        ObjectClass* pStartObj = (ObjectClass*)m_pData;
+        nSize = nStart + nCount;
+        for (FX_INT32 i = nStart; i < nSize; i ++, pStartObj++) {
+            new ((void*)pStartObj) ObjectClass(src[i]);
+        }
+        return nCount;
+    }
+
+    int				GetSize() const
+    {
+        return m_nSize;
+    }
+
+    ObjectClass&	operator[] (int index) const
+    {
+        FXSYS_assert(index < m_nSize);
+        return *(ObjectClass*)CFX_BasicArray::GetDataPtr(index);
+    }
+
+    ObjectClass*	GetDataPtr(int index)
+    {
+        return (ObjectClass*)CFX_BasicArray::GetDataPtr(index);
+    }
+
+    void			RemoveAt(int index)
+    {
+        FXSYS_assert(index < m_nSize);
+        ((ObjectClass*)GetDataPtr(index))->~ObjectClass();
+        CFX_BasicArray::RemoveAt(index, 1);
+    }
+
+    void			RemoveAll()
+    {
+        for (int i = 0; i < m_nSize; i ++) {
+            ((ObjectClass*)GetDataPtr(i))->~ObjectClass();
+        }
+        CFX_BasicArray::SetSize(0, -1);
+    }
+};
+typedef CFX_ObjectArray<CFX_ByteString> CFX_ByteStringArray;
+typedef CFX_ObjectArray<CFX_WideString> CFX_WideStringArray;
+class CFX_BaseSegmentedArray : public CFX_Object
+{
+public:
+
+    CFX_BaseSegmentedArray(int unit_size = 1, int segment_units = 512, int index_size = 8, IFX_Allocator* pAllocator = NULL);
+
+    ~CFX_BaseSegmentedArray();
+
+    void	SetUnitSize(int unit_size, int segment_units, int index_size = 8);
+
+    void*	Add();
+
+    void*	GetAt(int index) const;
+
+    void	RemoveAll();
+
+    void	Delete(int index, int count = 1);
+
+    int		GetSize() const
+    {
+        return m_DataSize;
+    }
+
+    int		GetSegmentSize() const
+    {
+        return m_SegmentSize;
+    }
+
+    int		GetUnitSize() const
+    {
+        return m_UnitSize;
+    }
+
+    void*	Iterate(FX_BOOL (*callback)(void* param, void* pData), void* param) const;
+
+    IFX_Allocator*	m_pAllocator;
+private:
+
+    int				m_UnitSize;
+
+    short			m_SegmentSize;
+
+    FX_BYTE			m_IndexSize;
+
+    FX_BYTE			m_IndexDepth;
+
+    int				m_DataSize;
+
+    void*			m_pIndex;
+    void**	GetIndex(int seg_index) const;
+    void*	IterateIndex(int level, int& start, void** pIndex, FX_BOOL (*callback)(void* param, void* pData), void* param) const;
+    void*	IterateSegment(FX_LPCBYTE pSegment, int count, FX_BOOL (*callback)(void* param, void* pData), void* param) const;
+};
+template <class ElementType>
+class CFX_SegmentedArray : public CFX_BaseSegmentedArray
+{
+public:
+
+    CFX_SegmentedArray(int segment_units, int index_size = 8, IFX_Allocator* pAllocator = NULL)
+        : CFX_BaseSegmentedArray(sizeof(ElementType), segment_units, index_size, pAllocator)
+    {}
+
+    void	Add(ElementType data)
+    {
+        *(ElementType*)CFX_BaseSegmentedArray::Add() = data;
+    }
+
+    ElementType& operator [] (int index)
+    {
+        return *(ElementType*)CFX_BaseSegmentedArray::GetAt(index);
+    }
+};
+template <class DataType, int FixedSize>
+class CFX_FixedBufGrow : public CFX_Object
+{
+public:
+    CFX_FixedBufGrow(IFX_Allocator* pAllocator = NULL)
+        : m_pAllocator(pAllocator)
+        , m_pData(NULL)
+    {}
+    CFX_FixedBufGrow(int data_size, IFX_Allocator* pAllocator = NULL)
+        : m_pAllocator(pAllocator)
+        , m_pData(NULL)
+    {
+        if (data_size > FixedSize) {
+            m_pData = FX_Allocator_Alloc(m_pAllocator, DataType, data_size);
+        } else {
+            FXSYS_memset32(m_Data, 0, sizeof(DataType)*FixedSize);
+        }
+    }
+    void SetDataSize(int data_size)
+    {
+        if (m_pData) {
+            FX_Allocator_Free(m_pAllocator, m_pData);
+        }
+        m_pData = NULL;
+        if (data_size > FixedSize) {
+            m_pData = FX_Allocator_Alloc(m_pAllocator, DataType, data_size);
+        } else {
+            FXSYS_memset32(m_Data, 0, sizeof(DataType)*FixedSize);
+        }
+    }
+    ~CFX_FixedBufGrow()
+    {
+        if (m_pData) {
+            FX_Allocator_Free(m_pAllocator, m_pData);
+        }
+    }
+    operator DataType*()
+    {
+        return m_pData ? m_pData : m_Data;
+    }
+private:
+    IFX_Allocator*	m_pAllocator;
+    DataType		m_Data[FixedSize];
+    DataType*		m_pData;
+};
+template <class DataType>
+class CFX_TempBuf
+{
+public:
+    CFX_TempBuf(int size, IFX_Allocator* pAllocator = NULL) : m_pAllocator(pAllocator)
+    {
+        m_pData = FX_Allocator_Alloc(m_pAllocator, DataType, size);
+    }
+    ~CFX_TempBuf()
+    {
+        if (m_pData) {
+            FX_Allocator_Free(m_pAllocator, m_pData);
+        }
+    }
+    DataType&	operator[](int i)
+    {
+        FXSYS_assert(m_pData != NULL);
+        return m_pData[i];
+    }
+    operator DataType*()
+    {
+        return m_pData;
+    }
+private:
+    IFX_Allocator*	m_pAllocator;
+    DataType*		m_pData;
+};
+class CFX_MapPtrToPtr : public CFX_Object
+{
+protected:
+
+    struct CAssoc {
+
+        CAssoc* pNext;
+
+        void* key;
+
+        void* value;
+    };
+public:
+
+    CFX_MapPtrToPtr(int nBlockSize = 10, IFX_Allocator* pAllocator = NULL);
+
+    ~CFX_MapPtrToPtr();
+
+    int GetCount() const
+    {
+        return m_nCount;
+    }
+
+    FX_BOOL IsEmpty() const
+    {
+        return m_nCount == 0;
+    }
+
+    FX_BOOL Lookup(void* key, void*& rValue) const;
+
+    void* GetValueAt(void* key) const;
+
+    void*& operator[](void* key);
+
+    void SetAt(void* key, void* newValue)
+    {
+        (*this)[key] = newValue;
+    }
+
+    FX_BOOL RemoveKey(void* key);
+
+    void RemoveAll();
+
+    FX_POSITION GetStartPosition() const
+    {
+        return (m_nCount == 0) ? NULL : (FX_POSITION) - 1;
+    }
+
+    void GetNextAssoc(FX_POSITION& rNextPosition, void*& rKey, void*& rValue) const;
+
+    FX_DWORD GetHashTableSize() const
+    {
+        return m_nHashTableSize;
+    }
+
+    void InitHashTable(FX_DWORD hashSize, FX_BOOL bAllocNow = TRUE);
+protected:
+
+    IFX_Allocator*	m_pAllocator;
+
+    CAssoc** m_pHashTable;
+
+    FX_DWORD m_nHashTableSize;
+
+    int m_nCount;
+
+    CAssoc* m_pFreeList;
+
+    struct CFX_Plex* m_pBlocks;
+
+    int m_nBlockSize;
+
+    FX_DWORD HashKey(void* key) const;
+
+    CAssoc* NewAssoc();
+
+    void FreeAssoc(CAssoc* pAssoc);
+
+    CAssoc* GetAssocAt(void* key, FX_DWORD& hash) const;
+};
+template <class KeyType, class ValueType>
+class CFX_MapPtrTemplate : public CFX_MapPtrToPtr
+{
+public:
+
+    CFX_MapPtrTemplate(IFX_Allocator* pAllocator = NULL) : CFX_MapPtrToPtr(10, pAllocator) {}
+
+    FX_BOOL	Lookup(KeyType key, ValueType& rValue) const
+    {
+        FX_LPVOID pValue = NULL;
+        if (!CFX_MapPtrToPtr::Lookup((void*)(FX_UINTPTR)key, pValue)) {
+            return FALSE;
+        }
+        rValue = (ValueType)(FX_UINTPTR)pValue;
+        return TRUE;
+    }
+
+    ValueType& operator[](KeyType key)
+    {
+        return (ValueType&)CFX_MapPtrToPtr::operator []((void*)(FX_UINTPTR)key);
+    }
+
+    void SetAt(KeyType key, ValueType newValue)
+    {
+        CFX_MapPtrToPtr::SetAt((void*)(FX_UINTPTR)key, (void*)(FX_UINTPTR)newValue);
+    }
+
+    FX_BOOL	RemoveKey(KeyType key)
+    {
+        return CFX_MapPtrToPtr::RemoveKey((void*)(FX_UINTPTR)key);
+    }
+
+    void GetNextAssoc(FX_POSITION& rNextPosition, KeyType& rKey, ValueType& rValue) const
+    {
+        void* pKey = NULL;
+        void* pValue = NULL;
+        CFX_MapPtrToPtr::GetNextAssoc(rNextPosition, pKey, pValue);
+        rKey = (KeyType)(FX_UINTPTR)pKey;
+        rValue = (ValueType)(FX_UINTPTR)pValue;
+    }
+};
+class CFX_CMapDWordToDWord : public CFX_Object
+{
+public:
+
+    CFX_CMapDWordToDWord(IFX_Allocator* pAllocator = NULL) : m_Buffer(pAllocator) {}
+
+    FX_BOOL			Lookup(FX_DWORD key, FX_DWORD& value) const;
+
+    void			SetAt(FX_DWORD key, FX_DWORD value);
+
+    void			EstimateSize(FX_DWORD size, FX_DWORD grow_by);
+
+    FX_POSITION		GetStartPosition() const;
+
+    void			GetNextAssoc(FX_POSITION& pos, FX_DWORD& key, FX_DWORD& value) const;
+protected:
+
+    CFX_BinaryBuf	m_Buffer;
+};
+class CFX_MapByteStringToPtr : public CFX_Object
+{
+protected:
+
+    struct CAssoc {
+
+        CAssoc* pNext;
+
+        FX_DWORD nHashValue;
+
+        CFX_ByteString key;
+
+        void* value;
+    };
+public:
+
+    CFX_MapByteStringToPtr(int nBlockSize = 10, IFX_Allocator* pAllocator = NULL);
+
+    int GetCount() const
+    {
+        return m_nCount;
+    }
+
+    FX_BOOL IsEmpty() const
+    {
+        return m_nCount == 0;
+    }
+
+    FX_BOOL Lookup(FX_BSTR key, void*& rValue) const;
+
+    void*& operator[](FX_BSTR key);
+
+    void SetAt(FX_BSTR key, void* newValue)
+    {
+        (*this)[key] = newValue;
+    }
+
+    FX_BOOL RemoveKey(FX_BSTR key);
+
+    void RemoveAll();
+
+    FX_POSITION GetStartPosition() const
+    {
+        return (m_nCount == 0) ? NULL : (FX_POSITION) - 1;
+    }
+
+    void GetNextAssoc(FX_POSITION& rNextPosition, CFX_ByteString& rKey, void*& rValue) const;
+
+    FX_LPVOID		GetNextValue(FX_POSITION& rNextPosition) const;
+
+    FX_DWORD GetHashTableSize() const
+    {
+        return m_nHashTableSize;
+    }
+
+    void InitHashTable(FX_DWORD hashSize, FX_BOOL bAllocNow = TRUE);
+
+    FX_DWORD HashKey(FX_BSTR key) const;
+protected:
+
+    IFX_Allocator*	m_pAllocator;
+
+    CAssoc** m_pHashTable;
+
+    FX_DWORD m_nHashTableSize;
+
+    int m_nCount;
+
+    CAssoc* m_pFreeList;
+
+    struct CFX_Plex* m_pBlocks;
+
+    int m_nBlockSize;
+
+    CAssoc* NewAssoc();
+
+    void FreeAssoc(CAssoc* pAssoc);
+
+    CAssoc* GetAssocAt(FX_BSTR key, FX_DWORD& hash) const;
+public:
+
+    ~CFX_MapByteStringToPtr();
+};
+class CFX_CMapByteStringToPtr : public CFX_Object
+{
+public:
+
+    CFX_CMapByteStringToPtr(IFX_Allocator* pAllocator = NULL);
+
+    ~CFX_CMapByteStringToPtr();
+
+    void			RemoveAll();
+
+    FX_POSITION		GetStartPosition() const;
+
+    void			GetNextAssoc(FX_POSITION& rNextPosition, CFX_ByteString& rKey, void*& rValue) const;
+
+    FX_LPVOID		GetNextValue(FX_POSITION& rNextPosition) const;
+
+    FX_BOOL			Lookup(FX_BSTR key, void*& rValue) const;
+
+    void			SetAt(FX_BSTR key, void* value);
+
+    void			RemoveKey(FX_BSTR key);
+
+    int				GetCount() const;
+
+    void			AddValue(FX_BSTR key, void* pValue);
+private:
+
+    CFX_BaseSegmentedArray			m_Buffer;
+};
+class CFX_PtrList : public CFX_Object
+{
+protected:
+
+    struct CNode {
+
+        CNode* pNext;
+
+        CNode* pPrev;
+
+        void* data;
+    };
+public:
+
+    CFX_PtrList(int nBlockSize = 10, IFX_Allocator* pAllocator = NULL);
+
+    FX_POSITION GetHeadPosition() const
+    {
+        return (FX_POSITION)m_pNodeHead;
+    }
+
+    FX_POSITION GetTailPosition() const
+    {
+        return (FX_POSITION)m_pNodeTail;
+    }
+
+    void*	GetNext(FX_POSITION& rPosition) const
+    {
+        CNode* pNode = (CNode*) rPosition;
+        rPosition = (FX_POSITION) pNode->pNext;
+        return pNode->data;
+    }
+
+    void*	GetPrev(FX_POSITION& rPosition) const
+    {
+        CNode* pNode = (CNode*) rPosition;
+        rPosition = (FX_POSITION) pNode->pPrev;
+        return pNode->data;
+    }
+
+    FX_POSITION	GetNextPosition(FX_POSITION pos) const
+    {
+        return ((CNode*)pos)->pNext;
+    }
+
+    FX_POSITION	GetPrevPosition(FX_POSITION pos) const
+    {
+        return ((CNode*)pos)->pPrev;
+    }
+
+    void*	GetAt(FX_POSITION rPosition) const
+    {
+        CNode* pNode = (CNode*) rPosition;
+        return pNode->data;
+    }
+
+    int		GetCount() const
+    {
+        return m_nCount;
+    }
+
+    FX_POSITION	AddTail(void* newElement);
+
+    FX_POSITION AddHead(void* newElement);
+
+    void	SetAt(FX_POSITION pos, void* newElement)
+    {
+        CNode* pNode = (CNode*) pos;
+        pNode->data = newElement;
+    }
+
+    FX_POSITION InsertAfter(FX_POSITION pos, void* newElement);
+
+    FX_POSITION Find(void* searchValue, FX_POSITION startAfter = NULL ) const;
+
+    FX_POSITION FindIndex(int index) const;
+
+    void	RemoveAt(FX_POSITION pos);
+
+    void	RemoveAll();
+protected:
+
+    IFX_Allocator*	m_pAllocator;
+
+    CNode* m_pNodeHead;
+
+    CNode* m_pNodeTail;
+
+    int m_nCount;
+
+    CNode* m_pNodeFree;
+
+    struct CFX_Plex* m_pBlocks;
+
+    int m_nBlockSize;
+
+    CNode* NewNode(CNode* pPrev, CNode* pNext);
+
+    void FreeNode(CNode* pNode);
+public:
+
+    ~CFX_PtrList();
+};
+typedef void (*PD_CALLBACK_FREEDATA)(FX_LPVOID pData);
+struct FX_PRIVATEDATA {
+
+    void					FreeData();
+
+    FX_LPVOID				m_pModuleId;
+
+    FX_LPVOID				m_pData;
+
+    PD_CALLBACK_FREEDATA	m_pCallback;
+
+    FX_BOOL					m_bSelfDestruct;
+};
+class CFX_PrivateData
+{
+public:
+
+    CFX_PrivateData(IFX_Allocator* pAllocator = NULL) : m_DataList(pAllocator) {}
+
+    ~CFX_PrivateData();
+
+    void					ClearAll();
+
+    void					SetPrivateData(FX_LPVOID module_id, FX_LPVOID pData, PD_CALLBACK_FREEDATA callback);
+
+    void					SetPrivateObj(FX_LPVOID module_id, CFX_DestructObject* pObj);
+
+    FX_LPVOID				GetPrivateData(FX_LPVOID module_id);
+
+    FX_BOOL					LookupPrivateData(FX_LPVOID module_id, FX_LPVOID &pData) const
+    {
+        if (!module_id) {
+            return FALSE;
+        }
+        FX_DWORD nCount = m_DataList.GetSize();
+        for (FX_DWORD n = 0; n < nCount; n ++) {
+            if (m_DataList[n].m_pModuleId == module_id) {
+                pData = m_DataList[n].m_pData;
+                return TRUE;
+            }
+        }
+        return FALSE;
+    }
+
+    FX_BOOL					RemovePrivateData(FX_LPVOID module_id);
+protected:
+
+    CFX_ArrayTemplate<FX_PRIVATEDATA>	m_DataList;
+
+    void					AddData(FX_LPVOID module_id, FX_LPVOID pData, PD_CALLBACK_FREEDATA callback, FX_BOOL bSelfDestruct);
+};
+class CFX_BitStream : public CFX_Object
+{
+public:
+
+    void				Init(FX_LPCBYTE pData, FX_DWORD dwSize);
+
+
+    FX_DWORD			GetBits(FX_DWORD nBits);
+
+    void				ByteAlign();
+
+    FX_BOOL				IsEOF()
+    {
+        return m_BitPos >= m_BitSize;
+    }
+
+    void				SkipBits(FX_DWORD nBits)
+    {
+        m_BitPos += nBits;
+    }
+
+    void				Rewind()
+    {
+        m_BitPos = 0;
+    }
+protected:
+
+    FX_DWORD			m_BitPos;
+
+    FX_DWORD			m_BitSize;
+
+    FX_LPCBYTE			m_pData;
+};
+template <class ObjClass> class CFX_CountRef : public CFX_Object
+{
+public:
+
+    typedef CFX_CountRef<ObjClass> Ref;
+
+    class CountedObj : public ObjClass
+    {
+    public:
+
+        CountedObj() {}
+
+        CountedObj(const CountedObj& src) : ObjClass(src) {}
+
+        int			m_RefCount;
+    };
+
+    CFX_CountRef()
+    {
+        m_pObject = NULL;
+    }
+
+    CFX_CountRef(const Ref& ref)
+    {
+        m_pObject = ref.m_pObject;
+        if (m_pObject) {
+            m_pObject->m_RefCount ++;
+        }
+    }
+
+    ~CFX_CountRef()
+    {
+        if (!m_pObject) {
+            return;
+        }
+        m_pObject->m_RefCount --;
+        if (m_pObject->m_RefCount <= 0) {
+            delete m_pObject;
+        }
+    }
+
+    ObjClass*			New()
+    {
+        if (m_pObject) {
+            m_pObject->m_RefCount --;
+            if (m_pObject->m_RefCount <= 0) {
+                delete m_pObject;
+            }
+            m_pObject = NULL;
+        }
+        m_pObject = FX_NEW CountedObj;
+        if (!m_pObject) {
+            return NULL;
+        }
+        m_pObject->m_RefCount = 1;
+        return m_pObject;
+    }
+
+    void				operator = (const Ref& ref)
+    {
+        if (ref.m_pObject) {
+            ref.m_pObject->m_RefCount ++;
+        }
+        if (m_pObject) {
+            m_pObject->m_RefCount --;
+            if (m_pObject->m_RefCount <= 0) {
+                delete m_pObject;
+            }
+        }
+        m_pObject = ref.m_pObject;
+    }
+
+    void				operator = (void* p)
+    {
+        FXSYS_assert(p == 0);
+        if (m_pObject == NULL) {
+            return;
+        }
+        m_pObject->m_RefCount --;
+        if (m_pObject->m_RefCount <= 0) {
+            delete m_pObject;
+        }
+        m_pObject = NULL;
+    }
+
+    const ObjClass*		GetObject() const
+    {
+        return m_pObject;
+    }
+
+    operator			const ObjClass*() const
+    {
+        return m_pObject;
+    }
+
+    FX_BOOL				IsNull() const
+    {
+        return m_pObject == NULL;
+    }
+
+    FX_BOOL				NotNull() const
+    {
+        return m_pObject != NULL;
+    }
+
+    ObjClass*			GetModify()
+    {
+        if (m_pObject == NULL) {
+            m_pObject = FX_NEW CountedObj;
+            if (m_pObject) {
+                m_pObject->m_RefCount = 1;
+            }
+        } else if (m_pObject->m_RefCount > 1) {
+            m_pObject->m_RefCount --;
+            CountedObj* pOldObject = m_pObject;
+            m_pObject = NULL;
+            m_pObject = FX_NEW CountedObj(*pOldObject);
+            if (m_pObject) {
+                m_pObject->m_RefCount = 1;
+            }
+        }
+        return m_pObject;
+    }
+
+    void				SetNull()
+    {
+        if (m_pObject == NULL) {
+            return;
+        }
+        m_pObject->m_RefCount --;
+        if (m_pObject->m_RefCount <= 0) {
+            delete m_pObject;
+        }
+        m_pObject = NULL;
+    }
+
+    FX_BOOL				operator == (const Ref& ref) const
+    {
+        return m_pObject == ref.m_pObject;
+    }
+protected:
+
+    CountedObj*			m_pObject;
+};
+class IFX_Pause
+{
+public:
+
+    virtual FX_BOOL	NeedToPauseNow() = 0;
+};
+class CFX_DataFilter : public CFX_Object
+{
+public:
+
+    virtual ~CFX_DataFilter();
+
+    void			SetDestFilter(CFX_DataFilter* pFilter);
+
+    FX_BOOL			IsEOF() const
+    {
+        return m_bEOF;
+    }
+
+    FX_DWORD		GetSrcPos()
+    {
+        return m_SrcPos;
+    }
+
+    void			FilterIn(FX_LPCBYTE src_buf, FX_DWORD src_size, CFX_BinaryBuf& dest_buf);
+
+    void			FilterFinish(CFX_BinaryBuf& dest_buf);
+protected:
+
+    CFX_DataFilter();
+    virtual void	v_FilterIn(FX_LPCBYTE src_buf, FX_DWORD src_size, CFX_BinaryBuf& dest_buf) = 0;
+    virtual void	v_FilterFinish(CFX_BinaryBuf& dest_buf) = 0;
+    void			ReportEOF(FX_DWORD left_input);
+
+    FX_BOOL			m_bEOF;
+
+    FX_DWORD		m_SrcPos;
+
+    CFX_DataFilter*	m_pDestFilter;
+};
+template <class T>
+class CFX_SmartPointer
+{
+public:
+    CFX_SmartPointer(T *pObj) : m_pObj(pObj) {}
+    ~CFX_SmartPointer()
+    {
+        m_pObj->Release();
+    }
+    operator T*(void)
+    {
+        return m_pObj;
+    }
+    T&		operator *(void)
+    {
+        return *m_pObj;
+    }
+    T*		operator ->(void)
+    {
+        return m_pObj;
+    }
+protected:
+    T *m_pObj;
+};
+#define FX_DATALIST_LENGTH	1024
+template<size_t unit>
+class CFX_SortListArray : public CFX_Object
+{
+protected:
+
+    struct DataList {
+
+        FX_INT32	start;
+
+        FX_INT32	count;
+        FX_LPBYTE	data;
+    };
+public:
+
+    CFX_SortListArray(IFX_Allocator* pAllocator = NULL) : m_CurList(0), m_DataLists(pAllocator) {}
+
+    ~CFX_SortListArray()
+    {
+        Clear();
+    }
+
+
+    void			Clear()
+    {
+        IFX_Allocator* pAllocator = m_DataLists.m_pAllocator;
+        for (FX_INT32 i = m_DataLists.GetUpperBound(); i >= 0; i--) {
+            DataList list = m_DataLists.ElementAt(i);
+            if (list.data) {
+                FX_Allocator_Free(pAllocator, list.data);
+            }
+        }
+        m_DataLists.RemoveAll();
+        m_CurList = 0;
+    }
+
+    void			Append(FX_INT32 nStart, FX_INT32 nCount)
+    {
+        if (nStart < 0) {
+            return;
+        }
+        IFX_Allocator* pAllocator = m_DataLists.m_pAllocator;
+        while (nCount > 0) {
+            FX_INT32 temp_count = FX_MIN(nCount, FX_DATALIST_LENGTH);
+            DataList list;
+            list.data = FX_Allocator_Alloc(pAllocator, FX_BYTE, temp_count * unit);
+            if (!list.data) {
+                break;
+            }
+            FXSYS_memset32(list.data, 0, temp_count * unit);
+            list.start = nStart;
+            list.count = temp_count;
+            Append(list);
+            nCount -= temp_count;
+            nStart += temp_count;
+        }
+    }
+
+    FX_LPBYTE		GetAt(FX_INT32 nIndex)
+    {
+        if (nIndex < 0) {
+            return NULL;
+        }
+        if (m_CurList < 0 || m_CurList >= m_DataLists.GetSize()) {
+            return NULL;
+        }
+        DataList *pCurList = m_DataLists.GetDataPtr(m_CurList);
+        if (!pCurList || nIndex < pCurList->start || nIndex >= pCurList->start + pCurList->count) {
+            pCurList = NULL;
+            FX_INT32 iStart = 0;
+            FX_INT32 iEnd = m_DataLists.GetUpperBound();
+            FX_INT32 iMid = 0;
+            while (iStart <= iEnd) {
+                iMid = (iStart + iEnd) / 2;
+                DataList* list = m_DataLists.GetDataPtr(iMid);
+                if (nIndex < list->start) {
+                    iEnd = iMid - 1;
+                } else if (nIndex >= list->start + list->count) {
+                    iStart = iMid + 1;
+                } else {
+                    pCurList = list;
+                    m_CurList = iMid;
+                    break;
+                }
+            }
+        }
+        return pCurList ? pCurList->data + (nIndex - pCurList->start) * unit : NULL;
+    }
+protected:
+    void			Append(const DataList& list)
+    {
+        FX_INT32 iStart = 0;
+        FX_INT32 iEnd = m_DataLists.GetUpperBound();
+        FX_INT32 iFind = 0;
+        while (iStart <= iEnd) {
+            FX_INT32 iMid = (iStart + iEnd) / 2;
+            DataList* cur_list = m_DataLists.GetDataPtr(iMid);
+            if (list.start < cur_list->start + cur_list->count) {
+                iEnd = iMid - 1;
+            } else {
+                if (iMid == iEnd) {
+                    iFind = iMid + 1;
+                    break;
+                }
+                DataList* next_list = m_DataLists.GetDataPtr(iMid + 1);
+                if (list.start < next_list->start) {
+                    iFind = iMid + 1;
+                    break;
+                } else {
+                    iStart = iMid + 1;
+                }
+            }
+        }
+        m_DataLists.InsertAt(iFind, list);
+    }
+    FX_INT32		m_CurList;
+    CFX_ArrayTemplate<DataList>	m_DataLists;
+};
+template<typename T1, typename T2>
+class CFX_ListArrayTemplate : public CFX_Object
+{
+public:
+
+    void			Clear()
+    {
+        m_Data.Clear();
+    }
+
+    void			Add(FX_INT32 nStart, FX_INT32 nCount)
+    {
+        m_Data.Append(nStart, nCount);
+    }
+
+    T2&				operator [] (FX_INT32 nIndex)
+    {
+        FX_LPBYTE data = m_Data.GetAt(nIndex);
+        FXSYS_assert(data != NULL);
+        return (T2&)(*(volatile T2*)data);
+    }
+
+    T2*				GetPtrAt(FX_INT32 nIndex)
+    {
+        return (T2*)m_Data.GetAt(nIndex);
+    }
+protected:
+    T1			m_Data;
+};
+typedef CFX_ListArrayTemplate<CFX_SortListArray<sizeof(FX_FILESIZE)>, FX_FILESIZE>	CFX_FileSizeListArray;
+typedef CFX_ListArrayTemplate<CFX_SortListArray<sizeof(FX_DWORD)>, FX_DWORD>		CFX_DWordListArray;
+typedef enum {
+    Ready,
+    ToBeContinued,
+    Found,
+    NotFound,
+    Failed,
+    Done
+} FX_ProgressiveStatus;
+#define ProgressiveStatus	FX_ProgressiveStatus
+#define FX_NAMESPACE_DECLARE(namespace, type)       namespace::type
+#endif
diff --git a/core/include/fxcrt/fx_coordinates.h b/core/include/fxcrt/fx_coordinates.h
new file mode 100644
index 0000000000..eee0dfb260
--- /dev/null
+++ b/core/include/fxcrt/fx_coordinates.h
@@ -0,0 +1,900 @@
+// Copyright 2014 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 _FXCRT_COORDINATES_
+#define _FXCRT_COORDINATES_
+template<class baseType> class CFX_PSVTemplate;
+template<class baseType> class CFX_VTemplate;
+template<class baseType> class CFX_PRLTemplate;
+template<class baseType> class CFX_RTemplate;
+template<class baseType> class CFX_ETemplate;
+template<class baseType> class CFX_ATemplate;
+template<class baseType> class CFX_RRTemplate;
+class CFX_Matrix;
+template<class baseType>
+class CFX_PSVTemplate : public CFX_Object
+{
+public:
+    typedef CFX_PSVTemplate<baseType>	FXT_PSV;
+    typedef CFX_PSVTemplate<baseType>	FXT_POINT;
+    typedef CFX_PSVTemplate<baseType>	FXT_SIZE;
+    void		Set(baseType x, baseType y)
+    {
+        FXT_PSV::x = x, FXT_PSV::y = y;
+    }
+    void		Set(const FXT_PSV &psv)
+    {
+        FXT_PSV::x = psv.x, FXT_PSV::y = psv.y;
+    }
+    void		Add(baseType x, baseType y)
+    {
+        FXT_PSV::x += x, FXT_PSV::y += y;
+    }
+    void		Subtract(baseType x, baseType y)
+    {
+        FXT_PSV::x -= x, FXT_PSV::y -= y;
+    }
+    void		Reset()
+    {
+        FXT_PSV::x = FXT_PSV::y = 0;
+    }
+    FXT_PSV&	operator += (const FXT_PSV &obj)
+    {
+        x += obj.x;
+        y += obj.y;
+        return *this;
+    }
+    FXT_PSV&	operator -= (const FXT_PSV &obj)
+    {
+        x -= obj.x;
+        y -= obj.y;
+        return *this;
+    }
+    FXT_PSV&	operator *= (baseType lamda)
+    {
+        x *= lamda;
+        y *= lamda;
+        return *this;
+    }
+    FXT_PSV&	operator /= (baseType lamda)
+    {
+        x /= lamda;
+        y /= lamda;
+        return *this;
+    }
+    friend	FX_BOOL		operator == (const FXT_PSV &obj1, const FXT_PSV &obj2)
+    {
+        return obj1.x == obj2.x && obj1.y == obj2.y;
+    }
+    friend	FX_BOOL		operator != (const FXT_PSV &obj1, const FXT_PSV &obj2)
+    {
+        return obj1.x != obj2.x || obj1.y != obj2.y;
+    }
+    friend	FXT_PSV		operator + (const FXT_PSV &obj1, const FXT_PSV &obj2)
+    {
+        CFX_PSVTemplate obj;
+        obj.x = obj1.x + obj2.x;
+        obj.y = obj1.y + obj2.y;
+        return obj;
+    }
+    friend	FXT_PSV		operator - (const FXT_PSV &obj1, const FXT_PSV &obj2)
+    {
+        CFX_PSVTemplate obj;
+        obj.x = obj1.x - obj2.x;
+        obj.y = obj1.y - obj2.y;
+        return obj;
+    }
+    friend	FXT_PSV		operator * (const FXT_PSV &obj, baseType lamda)
+    {
+        CFX_PSVTemplate t;
+        t.x = obj.x * lamda;
+        t.y = obj.y * lamda;
+        return t;
+    }
+    friend	FXT_PSV		operator * (baseType lamda, const FXT_PSV &obj)
+    {
+        CFX_PSVTemplate t;
+        t.x = lamda * obj.x;
+        t.y = lamda * obj.y;
+        return t;
+    }
+    friend	FXT_PSV		operator / (const FXT_PSV &obj, baseType lamda)
+    {
+        CFX_PSVTemplate t;
+        t.x = obj.x / lamda;
+        t.y = obj.y / lamda;
+        return t;
+    }
+    baseType x, y;
+};
+typedef CFX_PSVTemplate<FX_INT32>			CFX_Point;
+typedef CFX_PSVTemplate<FX_FLOAT>			CFX_PointF;
+typedef CFX_PSVTemplate<FX_INT32>			CFX_Size;
+typedef CFX_PSVTemplate<FX_FLOAT>			CFX_SizeF;
+typedef CFX_ArrayTemplate<CFX_Point>		CFX_Points;
+typedef CFX_ArrayTemplate<CFX_PointF>		CFX_PointsF;
+typedef CFX_PSVTemplate<FX_INT32> *			FX_LPPOINT;
+typedef CFX_PSVTemplate<FX_FLOAT> *			FX_LPPOINTF;
+typedef CFX_PSVTemplate<FX_INT32> const *	FX_LPCPOINT;
+typedef CFX_PSVTemplate<FX_FLOAT> const *	FX_LPCPOINTF;
+#define CFX_FloatPoint	CFX_PointF
+template<class baseType>
+class CFX_VTemplate: public CFX_PSVTemplate<baseType>
+{
+public:
+    typedef CFX_PSVTemplate<baseType>	FXT_PSV;
+    typedef CFX_PSVTemplate<baseType>	FXT_POINT;
+    typedef CFX_PSVTemplate<baseType>	FXT_SIZE;
+    typedef CFX_VTemplate<baseType>		FXT_VECTOR;
+    void		Set(baseType x, baseType y)
+    {
+        FXT_PSV::x = x, FXT_PSV::y = y;
+    }
+    void		Set(const FXT_PSV &psv)
+    {
+        FXT_PSV::x = psv.x, FXT_PSV::y = psv.y;
+    }
+    void		Set(const FXT_POINT &p1, const FXT_POINT &p2)
+    {
+        FXT_PSV::x = p2.x - p1.x, FXT_PSV::y = p2.y - p1.y;
+    }
+    void		Reset()
+    {
+        FXT_PSV::x = FXT_PSV::y = 0;
+    }
+    baseType	SquareLength() const
+    {
+        return FXT_PSV::x * FXT_PSV::x + FXT_PSV::y * FXT_PSV::y;
+    }
+    baseType	Length() const
+    {
+        return FXSYS_sqrt(FXT_PSV::x * FXT_PSV::x + FXT_PSV::y * FXT_PSV::y);
+    }
+    void		Normalize()
+    {
+        FX_FLOAT fLen = FXSYS_sqrt(FXT_PSV::x * FXT_PSV::x + FXT_PSV::y * FXT_PSV::y);
+        FXSYS_assert(fLen >= 0.0001f);
+        FXT_PSV::x = ((baseType)FXT_PSV::x) / fLen;
+        FXT_PSV::y = ((baseType)FXT_PSV::y) / fLen;
+    }
+    baseType	DotProduct(baseType x, baseType y) const
+    {
+        return FXT_PSV::x * x + FXT_PSV::y * y;
+    }
+    baseType	DotProduct(const FXT_VECTOR &v) const
+    {
+        return FXT_PSV::x * v.x + FXT_PSV::y * v.y;
+    }
+    FX_BOOL		IsParallel(baseType x, baseType y) const
+    {
+        baseType t = FXT_PSV::x * y - FXT_PSV::y * x;
+        return FXSYS_fabs(t) < 0x0001f;
+    }
+    FX_BOOL		IsParallel(const FXT_VECTOR &v) const
+    {
+        return IsParallel(v.x, v.y);
+    }
+    FX_BOOL		IsPerpendicular(baseType x, baseType y) const
+    {
+        baseType t = DotProduct(x, y);
+        return FXSYS_fabs(t) < 0x0001f;
+    }
+    FX_BOOL		IsPerpendicular(const FXT_VECTOR &v) const
+    {
+        return IsPerpendicular(v.x, v.y);
+    }
+    void		Translate(baseType dx, baseType dy)
+    {
+        FXT_PSV::x += dx, FXT_PSV::y += dy;
+    }
+    void		Scale(baseType sx, baseType sy)
+    {
+        FXT_PSV::x *= sx, FXT_PSV::y *= sy;
+    }
+    void		Rotate(FX_FLOAT fRadian)
+    {
+        FX_FLOAT xx = (FX_FLOAT)FXT_PSV::x;
+        FX_FLOAT yy = (FX_FLOAT)FXT_PSV::y;
+        FX_FLOAT cosValue = FXSYS_cos(fRadian);
+        FX_FLOAT sinValue = FXSYS_sin(fRadian);
+        FXT_PSV::x = xx * cosValue - yy * sinValue;
+        FXT_PSV::y = xx * sinValue + yy * cosValue;
+    }
+    friend	FX_FLOAT	Cosine(const FXT_VECTOR &v1, const FXT_VECTOR &v2)
+    {
+        FXSYS_assert(v1.SquareLength() != 0 && v2.SquareLength() != 0);
+        FX_FLOAT dotProduct = v1.DotProduct(v2);
+        return dotProduct / (FX_FLOAT)FXSYS_sqrt(v1.SquareLength() * v2.SquareLength());
+    }
+    friend	FX_FLOAT	ArcCosine(const FXT_VECTOR &v1, const FXT_VECTOR &v2)
+    {
+        return (FX_FLOAT)FXSYS_acos(Cosine(v1, v2));
+    }
+    friend	FX_FLOAT	SlopeAngle(const FXT_VECTOR &v)
+    {
+        CFX_VTemplate vx;
+        vx.Set(1, 0);
+        FX_FLOAT fSlope = ArcCosine(v, vx);
+        return v.y < 0 ? -fSlope : fSlope;
+    }
+};
+typedef CFX_VTemplate<FX_INT32> CFX_Vector;
+typedef CFX_VTemplate<FX_FLOAT> CFX_VectorF;
+template<class baseType>
+class CFX_RTemplate: public CFX_Object
+{
+public:
+    typedef CFX_PSVTemplate<baseType>	FXT_POINT;
+    typedef CFX_PSVTemplate<baseType>	FXT_SIZE;
+    typedef CFX_VTemplate<baseType>		FXT_VECTOR;
+    typedef CFX_PRLTemplate<baseType>	FXT_PARAL;
+    typedef CFX_RTemplate<baseType>		FXT_RECT;
+    void		Set(baseType left, baseType top, baseType width, baseType height)
+    {
+        FXT_RECT::left = left, FXT_RECT::top = top, FXT_RECT::width = width, FXT_RECT::height = height;
+    }
+    void		Set(baseType left, baseType top, const FXT_SIZE &size)
+    {
+        FXT_RECT::left = left, FXT_RECT::top = top, FXT_RECT::Size(size);
+    }
+    void		Set(const FXT_POINT &p, baseType width, baseType height)
+    {
+        TopLeft(p), FXT_RECT::width = width, FXT_RECT::height = height;
+    }
+    void		Set(const FXT_POINT &p1, const FXT_POINT &p2)
+    {
+        TopLeft(p1), FXT_RECT::width = p2.x - p1.x, FXT_RECT::height = p2.y - p1.y, FXT_RECT::Normalize();
+    }
+    void		Set(const FXT_POINT &p, const FXT_VECTOR &v)
+    {
+        TopLeft(p), FXT_RECT::width = v.x, FXT_RECT::height = v.y, FXT_RECT::Normalize();
+    }
+    void		Reset()
+    {
+        FXT_RECT::left = FXT_RECT::top = FXT_RECT::width = FXT_RECT::height = 0;
+    }
+    FXT_RECT&	operator += (const FXT_POINT &p)
+    {
+        left += p.x, top += p.y;
+        return *this;
+    }
+    FXT_RECT&	operator -= (const FXT_POINT &p)
+    {
+        left -= p.x, top -= p.y;
+        return *this;
+    }
+    baseType	right() const
+    {
+        return left + width;
+    }
+    baseType	bottom() const
+    {
+        return top + height;
+    }
+    void		Normalize()
+    {
+        if (width < 0) {
+            left += width;
+            width = -width;
+        }
+        if (height < 0) {
+            top += height;
+            height = -height;
+        }
+    }
+    void		Offset(baseType dx, baseType dy)
+    {
+        left += dx;
+        top += dy;
+    }
+    void		Inflate(baseType x, baseType y)
+    {
+        left -= x;
+        width += x * 2;
+        top -= y;
+        height += y * 2;
+    }
+    void		Inflate(const FXT_POINT &p)
+    {
+        Inflate(p.x, p.y);
+    }
+    void		Inflate(baseType left, baseType top, baseType right, baseType bottom)
+    {
+        FXT_RECT::left -= left;
+        FXT_RECT::top -= top;
+        FXT_RECT::width += left + right;
+        FXT_RECT::height += top + bottom;
+    }
+    void		Inflate(const FXT_RECT &rt)
+    {
+        Inflate(rt.left, rt.top, rt.left + rt.width, rt.top + rt.height);
+    }
+    void		Deflate(baseType x, baseType y)
+    {
+        left += x;
+        width -= x * 2;
+        top += y;
+        height -= y * 2;
+    }
+    void		Deflate(const FXT_POINT &p)
+    {
+        Deflate(p.x, p.y);
+    }
+    void		Deflate(baseType left, baseType top, baseType right, baseType bottom)
+    {
+        FXT_RECT::left += left;
+        FXT_RECT::top += top;
+        FXT_RECT::width -= left + right;
+        FXT_RECT::height -= top + bottom;
+    }
+    void		Deflate(const FXT_RECT &rt)
+    {
+        Deflate(rt.left, rt.top, rt.top + rt.width, rt.top + rt.height);
+    }
+    FX_BOOL		IsEmpty() const
+    {
+        return width <= 0 || height <= 0;
+    }
+    FX_BOOL		IsEmpty(FX_FLOAT fEpsilon) const
+    {
+        return width <= fEpsilon || height <= fEpsilon;
+    }
+    void		Empty()
+    {
+        width = height = 0;
+    }
+    FX_BOOL		Contains(baseType x, baseType y) const
+    {
+        return x >= left && x < left + width && y >= top && y < top + height;
+    }
+    FX_BOOL		Contains(const FXT_POINT &p) const
+    {
+        return Contains(p.x, p.y);
+    }
+    FX_BOOL		Contains(const FXT_RECT &rt) const
+    {
+        return rt.left >= left && rt.right() <= right() && rt.top >= top && rt.bottom() <= bottom();
+    }
+    baseType	Width() const
+    {
+        return width;
+    }
+    baseType	Height() const
+    {
+        return height;
+    }
+    FXT_SIZE	Size() const
+    {
+        FXT_SIZE size;
+        size.Set(width, height);
+        return size;
+    }
+    void		Size(FXT_SIZE s)
+    {
+        width = s.x, height = s.y;
+    }
+    FXT_POINT	TopLeft() const
+    {
+        FXT_POINT p;
+        p.x = left;
+        p.y = top;
+        return p;
+    }
+    FXT_POINT	TopRight() const
+    {
+        FXT_POINT p;
+        p.x = left + width;
+        p.y = top;
+        return p;
+    }
+    FXT_POINT	BottomLeft() const
+    {
+        FXT_POINT p;
+        p.x = left;
+        p.y = top + height;
+        return p;
+    }
+    FXT_POINT	BottomRight() const
+    {
+        FXT_POINT p;
+        p.x = left + width;
+        p.y = top + height;
+        return p;
+    }
+    void		TopLeft(FXT_POINT tl)
+    {
+        left = tl.x;
+        top = tl.y;
+    }
+    void		TopRight(FXT_POINT tr)
+    {
+        width = tr.x - left;
+        top = tr.y;
+    }
+    void		BottomLeft(FXT_POINT bl)
+    {
+        left = bl.x;
+        height = bl.y - top;
+    }
+    void		BottomRight(FXT_POINT br)
+    {
+        width = br.x - left;
+        height = br.y - top;
+    }
+    FXT_POINT	Center() const
+    {
+        FXT_POINT p;
+        p.x = left + width / 2;
+        p.y = top + height / 2;
+        return p;
+    }
+    void		GetParallelogram(FXT_PARAL &pg) const
+    {
+        pg.x = left, pg.y = top;
+        pg.x1 = width, pg.y1 = 0;
+        pg.x2 = 0, pg.y2 = height;
+    }
+    void		Union(baseType x, baseType y)
+    {
+        baseType r = right(), b = bottom();
+        if (left > x) {
+            left = x;
+        }
+        if (r < x) {
+            r = x;
+        }
+        if (top > y) {
+            top = y;
+        }
+        if (b < y) {
+            b = y;
+        }
+        width = r - left;
+        height = b - top;
+    }
+    void		Union(const FXT_POINT &p)
+    {
+        Union(p.x, p.y);
+    }
+    void		Union(const FXT_RECT &rt)
+    {
+        baseType r = right(), b = bottom();
+        if (left > rt.left) {
+            left = rt.left;
+        }
+        if (r < rt.right()) {
+            r = rt.right();
+        }
+        if (top > rt.top) {
+            top = rt.top;
+        }
+        if (b < rt.bottom()) {
+            b = rt.bottom();
+        }
+        width = r - left;
+        height = b - top;
+    }
+    void		Intersect(const FXT_RECT &rt)
+    {
+        baseType r = right(), b = bottom();
+        if (left < rt.left) {
+            left = rt.left;
+        }
+        if (r > rt.right()) {
+            r = rt.right();
+        }
+        if (top < rt.top) {
+            top = rt.top;
+        }
+        if (b > rt.bottom()) {
+            b = rt.bottom();
+        }
+        width = r - left;
+        height = b - top;
+    }
+    FX_BOOL		IntersectWith(const FXT_RECT &rt) const
+    {
+        FXT_RECT rect = rt;
+        rect.Intersect(*this);
+        return !rect.IsEmpty();
+    }
+    FX_BOOL		IntersectWith(const FXT_RECT &rt, FX_FLOAT fEpsilon) const
+    {
+        FXT_RECT rect = rt;
+        rect.Intersect(*this);
+        return !rect.IsEmpty(fEpsilon);
+    }
+    friend	FX_BOOL	operator == (const FXT_RECT &rc1, const FXT_RECT &rc2)
+    {
+        return rc1.left == rc2.left && rc1.top == rc2.top && rc1.width == rc2.width && rc1.height == rc2.height;
+    }
+    friend	FX_BOOL	operator != (const FXT_RECT &rc1, const FXT_RECT &rc2)
+    {
+        return rc1.left != rc2.left || rc1.top != rc2.top || rc1.width != rc2.width || rc1.height != rc2.height;
+    }
+    baseType left, top;
+    baseType width, height;
+};
+typedef CFX_RTemplate<FX_INT32>			CFX_Rect;
+typedef CFX_RTemplate<FX_FLOAT>			CFX_RectF;
+typedef CFX_RTemplate<FX_INT32> *		FX_LPRECT;
+typedef CFX_RTemplate<FX_FLOAT> *		FX_LPRECTF;
+typedef CFX_RTemplate<FX_INT32> const *	FX_LPCRECT;
+typedef CFX_RTemplate<FX_FLOAT> const *	FX_LPCRECTF;
+typedef CFX_ArrayTemplate<CFX_RectF>	CFX_RectFArray;
+struct FX_RECT {
+
+    int			left;
+
+    int			top;
+
+    int			right;
+
+    int			bottom;
+
+    FX_RECT() {}
+
+    FX_RECT(int left1, int top1, int right1, int bottom1)
+    {
+        left = left1;
+        top = top1;
+        right = right1;
+        bottom = bottom1;
+    }
+
+    int			Width() const
+    {
+        return right - left;
+    }
+
+    int			Height() const
+    {
+        return bottom - top;
+    }
+
+    FX_BOOL		IsEmpty() const
+    {
+        return right <= left || bottom <= top;
+    }
+
+    void		Normalize();
+
+    void		Intersect(const FX_RECT& src);
+
+    void		Intersect(int left1, int top1, int right1, int bottom1)
+    {
+        Intersect(FX_RECT(left1, top1, right1, bottom1));
+    }
+
+    void		Union(const FX_RECT& other_rect);
+
+    FX_BOOL		operator == (const FX_RECT& src) const
+    {
+        return left == src.left && right == src.right && top == src.top && bottom == src.bottom;
+    }
+
+    void		Offset(int dx, int dy)
+    {
+        left += dx;
+        right += dx;
+        top += dy;
+        bottom += dy;
+    }
+
+    FX_BOOL		Contains(const FX_RECT& other_rect) const
+    {
+        return other_rect.left >= left && other_rect.right <= right && other_rect.top >= top && other_rect.bottom <= bottom;
+    }
+
+    FX_BOOL		Contains(int x, int y) const
+    {
+        return x >= left && x < right && y >= top && y < bottom;
+    }
+};
+struct FX_SMALL_RECT {
+
+    FX_SHORT	Left;
+
+    FX_SHORT	Top;
+
+    FX_SHORT	Right;
+
+    FX_SHORT	Bottom;
+};
+class CFX_FloatRect : public CFX_Object
+{
+public:
+
+    CFX_FloatRect()
+    {
+        left = right = bottom = top = 0;
+    }
+
+    CFX_FloatRect(FX_FLOAT left1, FX_FLOAT bottom1, FX_FLOAT right1, FX_FLOAT top1)
+    {
+        left = left1;
+        bottom = bottom1;
+        right = right1;
+        top = top1;
+    }
+
+    CFX_FloatRect(const FX_FLOAT* pArray)
+    {
+        left = pArray[0];
+        bottom = pArray[1];
+        right = pArray[2];
+        top = pArray[3];
+    }
+
+    CFX_FloatRect(const FX_RECT& rect);
+
+    FX_BOOL				IsEmpty() const
+    {
+        return left >= right || bottom >= top;
+    }
+
+    void				Normalize();
+
+    void				Reset()
+    {
+        left = right = bottom = top = 0;
+    }
+
+    FX_BOOL				Contains(const CFX_FloatRect& other_rect) const;
+
+    FX_BOOL				Contains(FX_FLOAT x, FX_FLOAT y) const;
+
+    void				Transform(const CFX_Matrix* pMatrix);
+
+    void				Intersect(const CFX_FloatRect& other_rect);
+
+    void				Union(const CFX_FloatRect& other_rect);
+
+    FX_RECT				GetInnerRect() const;
+
+    FX_RECT				GetOutterRect() const;
+
+    FX_RECT				GetClosestRect() const;
+
+    int					Substract4(CFX_FloatRect& substract_rect, CFX_FloatRect* pRects);
+
+    void				InitRect(FX_FLOAT x, FX_FLOAT y)
+    {
+        left = right = x;
+        bottom = top = y;
+    }
+
+    void				UpdateRect(FX_FLOAT x, FX_FLOAT y);
+
+    FX_FLOAT			Width() const
+    {
+        return right - left;
+    }
+
+    FX_FLOAT			Height() const
+    {
+        return top - bottom;
+    }
+
+    void				Inflate(FX_FLOAT x, FX_FLOAT y)
+    {
+        Normalize();
+        left -= x;
+        right += x;
+        bottom -= y;
+        top += y;
+    }
+
+    void				Inflate(FX_FLOAT left, FX_FLOAT bottom, FX_FLOAT right, FX_FLOAT top)
+    {
+        Normalize();
+        this->left -= left;
+        this->bottom -= bottom;
+        this->right += right;
+        this->top += top;
+    }
+
+    void				Inflate(const CFX_FloatRect &rt)
+    {
+        Inflate(rt.left, rt.bottom, rt.right, rt.top);
+    }
+
+    void				Deflate(FX_FLOAT x, FX_FLOAT y)
+    {
+        Normalize();
+        left += x;
+        right -= x;
+        bottom += y;
+        top -= y;
+    }
+
+    void				Deflate(FX_FLOAT left, FX_FLOAT bottom, FX_FLOAT right, FX_FLOAT top)
+    {
+        Normalize();
+        this->left += left;
+        this->bottom += bottom;
+        this->right -= right;
+        this->top -= top;
+    }
+
+    void				Deflate(const CFX_FloatRect &rt)
+    {
+        Deflate(rt.left, rt.bottom, rt.right, rt.top);
+    }
+
+    void				Translate(FX_FLOAT e, FX_FLOAT f)
+    {
+        left += e;
+        right += e;
+        top += f;
+        bottom += f;
+    }
+
+    static CFX_FloatRect	GetBBox(const CFX_FloatPoint* pPoints, int nPoints);
+
+    FX_FLOAT			left;
+
+    FX_FLOAT			right;
+
+    FX_FLOAT			bottom;
+
+    FX_FLOAT			top;
+};
+class CFX_Matrix : public CFX_Object
+{
+public:
+
+    CFX_Matrix()
+    {
+        a = d = 1;
+        b = c = e = f = 0;
+    }
+
+    CFX_Matrix(FX_FLOAT a1, FX_FLOAT b1, FX_FLOAT c1, FX_FLOAT d1, FX_FLOAT e1, FX_FLOAT f1)
+    {
+        a = a1;
+        b = b1;
+        c = c1;
+        d = d1;
+        e = e1;
+        f = f1;
+    }
+
+    void			Set(FX_FLOAT a, FX_FLOAT b, FX_FLOAT c, FX_FLOAT d, FX_FLOAT e, FX_FLOAT f);
+    void			Set(const FX_FLOAT n[6]);
+
+    void			SetIdentity()
+    {
+        a = d = 1;
+        b = c = e = f = 0;
+    }
+
+    void			SetReverse(const CFX_Matrix &m);
+
+    void			Concat(FX_FLOAT a, FX_FLOAT b, FX_FLOAT c, FX_FLOAT d, FX_FLOAT e, FX_FLOAT f, FX_BOOL bPrepended = FALSE);
+
+    void			Concat(const CFX_Matrix &m, FX_BOOL bPrepended = FALSE);
+
+    void			ConcatInverse(const CFX_Matrix& m, FX_BOOL bPrepended = FALSE);
+    void			Reset()
+    {
+        SetIdentity();
+    }
+
+    void			Copy(const CFX_Matrix& m)
+    {
+        *this = m;
+    }
+
+    FX_BOOL			IsIdentity() const
+    {
+        return a == 1 && b == 0 && c == 0 && d == 1 && e == 0 && f == 0;
+    }
+    FX_BOOL			IsInvertible() const;
+
+    FX_BOOL			Is90Rotated() const;
+
+    FX_BOOL			IsScaled() const;
+
+    void			Translate(FX_FLOAT x, FX_FLOAT y, FX_BOOL bPrepended = FALSE);
+
+    void			TranslateI(FX_INT32 x, FX_INT32 y, FX_BOOL bPrepended = FALSE)
+    {
+        Translate((FX_FLOAT)x, (FX_FLOAT)y, bPrepended);
+    }
+
+    void			Scale(FX_FLOAT sx, FX_FLOAT sy, FX_BOOL bPrepended = FALSE);
+
+    void			Rotate(FX_FLOAT fRadian, FX_BOOL bPrepended = FALSE);
+
+    void			RotateAt(FX_FLOAT fRadian, FX_FLOAT x, FX_FLOAT y, FX_BOOL bPrepended = FALSE);
+
+    void			Shear(FX_FLOAT fAlphaRadian, FX_FLOAT fBetaRadian, FX_BOOL bPrepended = FALSE);
+
+    void			MatchRect(const CFX_FloatRect &dest, const CFX_FloatRect &src);
+
+    FX_FLOAT		GetXUnit() const;
+
+    FX_FLOAT		GetYUnit() const;
+    void			GetUnitRect(CFX_RectF &rect) const;
+
+    CFX_FloatRect	GetUnitRect() const;
+
+    FX_FLOAT		GetUnitArea() const;
+    FX_FLOAT		TransformXDistance(FX_FLOAT dx) const;
+    FX_INT32		TransformXDistance(FX_INT32 dx) const;
+    FX_FLOAT		TransformYDistance(FX_FLOAT dy) const;
+    FX_INT32		TransformYDistance(FX_INT32 dy) const;
+    FX_FLOAT		TransformDistance(FX_FLOAT dx, FX_FLOAT dy) const;
+    FX_INT32		TransformDistance(FX_INT32 dx, FX_INT32 dy) const;
+
+    FX_FLOAT		TransformDistance(FX_FLOAT distance) const;
+    void			TransformPoint(FX_FLOAT &x, FX_FLOAT &y) const;
+    void			TransformPoint(FX_INT32 &x, FX_INT32 &y) const;
+    void			TransformPoints(CFX_PointF *points, FX_INT32 iCount) const;
+    void			TransformPoints(CFX_Point *points, FX_INT32 iCount) const;
+
+    void			Transform(FX_FLOAT& x, FX_FLOAT& y) const
+    {
+        TransformPoint(x, y);
+    }
+
+    void			Transform(FX_FLOAT x, FX_FLOAT y, FX_FLOAT& x1, FX_FLOAT& y1) const
+    {
+        x1 = x, y1 = y;
+        TransformPoint(x1, y1);
+    }
+    void			TransformVector(CFX_VectorF &v) const;
+    void			TransformVector(CFX_Vector &v) const;
+    void			TransformRect(CFX_RectF &rect) const;
+    void			TransformRect(CFX_Rect &rect) const;
+
+    void			TransformRect(FX_FLOAT& left, FX_FLOAT& right, FX_FLOAT& top, FX_FLOAT& bottom) const;
+
+    void			TransformRect(CFX_FloatRect& rect) const
+    {
+        TransformRect(rect.left, rect.right, rect.top, rect.bottom);
+    }
+
+    FX_FLOAT		GetA() const
+    {
+        return a;
+    }
+
+    FX_FLOAT		GetB() const
+    {
+        return b;
+    }
+
+    FX_FLOAT		GetC() const
+    {
+        return c;
+    }
+
+    FX_FLOAT		GetD() const
+    {
+        return d;
+    }
+
+    FX_FLOAT		GetE() const
+    {
+        return e;
+    }
+
+    FX_FLOAT		GetF() const
+    {
+        return f;
+    }
+public:
+    FX_FLOAT a;
+    FX_FLOAT b;
+    FX_FLOAT c;
+    FX_FLOAT d;
+    FX_FLOAT e;
+    FX_FLOAT f;
+};
+#define CFX_AffineMatrix	CFX_Matrix
+#endif
diff --git a/core/include/fxcrt/fx_ext.h b/core/include/fxcrt/fx_ext.h
new file mode 100644
index 0000000000..7fdbfcd0af
--- /dev/null
+++ b/core/include/fxcrt/fx_ext.h
@@ -0,0 +1,103 @@
+// Copyright 2014 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 _FXCRT_EXTENSION_
+#define _FXCRT_EXTENSION_
+#ifndef _FX_BASIC_H_
+#include "fx_basic.h"
+#endif
+#ifndef _FXCRT_COORDINATES_
+#include "fx_coordinates.h"
+#endif
+#ifndef _FX_XML_H_
+#include "fx_xml.h"
+#endif
+#ifndef _FX_UNICODE_
+#include "fx_ucd.h"
+#endif
+#ifndef _FX_ARABIC_
+#include "fx_arb.h"
+#endif
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+FX_FLOAT		FXSYS_tan(FX_FLOAT a);
+FX_FLOAT		FXSYS_logb(FX_FLOAT b, FX_FLOAT x);
+FX_FLOAT		FXSYS_strtof(FX_LPCSTR pcsStr, FX_INT32 iLength = -1, FX_INT32 *pUsedLen = NULL);
+FX_FLOAT		FXSYS_wcstof(FX_LPCWSTR pwsStr, FX_INT32 iLength = -1, FX_INT32 *pUsedLen = NULL);
+FX_LPWSTR		FXSYS_wcsncpy(FX_LPWSTR dstStr, FX_LPCWSTR srcStr, size_t count);
+FX_INT32		FXSYS_wcsnicmp(FX_LPCWSTR s1, FX_LPCWSTR s2, size_t count);
+FX_INT32		FXSYS_strnicmp(FX_LPCSTR s1, FX_LPCSTR s2, size_t count);
+inline FX_BOOL	FXSYS_islower(FX_INT32 ch)
+{
+    return ch >= 'a' && ch <= 'z';
+}
+inline FX_BOOL	FXSYS_isupper(FX_INT32 ch)
+{
+    return ch >= 'A' && ch <= 'Z';
+}
+inline FX_INT32	FXSYS_tolower(FX_INT32 ch)
+{
+    return ch < 'A' || ch > 'Z' ? ch : (ch + 0x20);
+}
+inline FX_INT32 FXSYS_toupper(FX_INT32 ch)
+{
+    return ch < 'a' || ch > 'z' ? ch : (ch - 0x20);
+}
+
+
+
+FX_DWORD	FX_HashCode_String_GetA(FX_LPCSTR pStr, FX_INT32 iLength, FX_BOOL bIgnoreCase = FALSE);
+FX_DWORD	FX_HashCode_String_GetW(FX_LPCWSTR pStr, FX_INT32 iLength, FX_BOOL bIgnoreCase = FALSE);
+
+#ifdef __cplusplus
+}
+#endif
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+FX_LPVOID	FX_Random_MT_Start(FX_DWORD dwSeed);
+
+FX_DWORD	FX_Random_MT_Generate(FX_LPVOID pContext);
+
+void		FX_Random_MT_Close(FX_LPVOID pContext);
+
+void		FX_Random_GenerateBase(FX_LPDWORD pBuffer, FX_INT32 iCount);
+
+void		FX_Random_GenerateMT(FX_LPDWORD pBuffer, FX_INT32 iCount);
+
+void		FX_Random_GenerateCrypto(FX_LPDWORD pBuffer, FX_INT32 iCount);
+#ifdef __cplusplus
+}
+#endif
+template<class baseType>
+class CFX_SSortTemplate
+{
+public:
+    void ShellSort(baseType *pArray, FX_INT32 iCount)
+    {
+        FXSYS_assert(pArray != NULL && iCount > 0);
+        FX_INT32 i, j, gap;
+        baseType v1, v2;
+        gap = iCount >> 1;
+        while (gap > 0) {
+            for (i = gap; i < iCount; i ++) {
+                j = i - gap;
+                v1 = pArray[i];
+                while (j > -1 && (v2 = pArray[j]) > v1) {
+                    pArray[j + gap] = v2;
+                    j -= gap;
+                }
+                pArray[j + gap] = v1;
+            }
+            gap >>= 1;
+        }
+    }
+};
+#endif
diff --git a/core/include/fxcrt/fx_memory.h b/core/include/fxcrt/fx_memory.h
new file mode 100644
index 0000000000..b0c94c4c73
--- /dev/null
+++ b/core/include/fxcrt/fx_memory.h
@@ -0,0 +1,300 @@
+// Copyright 2014 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 _FX_MEMORY_H_
+#define _FX_MEMORY_H_
+#ifndef _FX_SYSTEM_H_
+#include "fx_system.h"
+#endif
+#define FXMEM_NONLEAVE			1
+#define FXMEM_MOVABLE			2
+#define FXMEM_DISCARDABLE		4
+#ifdef __cplusplus
+extern "C" {
+#endif
+typedef struct _FXMEM_SystemMgr {
+
+    void* (*Alloc)(struct _FXMEM_SystemMgr* pMgr, size_t size, int flags);
+
+    void* (*AllocDebug)(struct _FXMEM_SystemMgr* pMgr, size_t size, int flags, FX_LPCSTR file, int line);
+
+    void* (*Realloc)(struct _FXMEM_SystemMgr* pMgr, void* pointer, size_t size, int flags);
+
+    void* (*ReallocDebug)(struct _FXMEM_SystemMgr* pMgr, void* pointer, size_t size, int flags, FX_LPCSTR file, int line);
+
+    void* (*Lock)(struct _FXMEM_SystemMgr* pMgr, void* handle);
+
+    void  (*Unlock)(struct _FXMEM_SystemMgr* pMgr, void* handle);
+
+    void  (*Free)(struct _FXMEM_SystemMgr* pMgr, void* pointer, int flags);
+
+    void  (*Purge)(struct _FXMEM_SystemMgr* pMgr);
+
+    void  (*CollectAll)(struct _FXMEM_SystemMgr* pMgr);
+
+
+    void* user;
+} FXMEM_SystemMgr;
+FX_DEFINEHANDLE(FXMEM_FoxitMgr)
+typedef struct _FXMEM_SystemMgr2 {
+
+    FX_BOOL	(*More)(struct _FXMEM_SystemMgr2* pMgr, size_t alloc_size, void** new_memory, size_t* new_size);
+
+    void	(*Free)(struct _FXMEM_SystemMgr2* pMgr, void* memory);
+} FXMEM_SystemMgr2;
+FXMEM_FoxitMgr* FXMEM_CreateMemoryMgr(size_t size, FX_BOOL extensible);
+void	FXMEM_DestroyFoxitMgr(FXMEM_FoxitMgr* pFoxitMgr);
+void*	FXMEM_DefaultAlloc(size_t byte_size, int flags);
+void*	FXMEM_DefaultAlloc2(size_t units, size_t unit_size, int flags);
+void*	FXMEM_DefaultRealloc(void* pointer, size_t new_size, int flags);
+void*	FXMEM_DefaultRealloc2(void* pointer, size_t units, size_t unit_size, int flags);
+void	FXMEM_DefaultFree(void* pointer, int flags);
+#define FX_Alloc(type, size)			(type*)FXMEM_DefaultAlloc2(size, sizeof(type), 0)
+#define FX_Realloc(type, ptr, size)		(type*)FXMEM_DefaultRealloc2(ptr, size, sizeof(type), 0)
+#define FX_AllocNL(type, size)			(type*)FXMEM_DefaultAlloc2(size, sizeof(type), FXMEM_NONLEAVE)
+#define FX_ReallocNL(type, ptr, size)	(type*)FXMEM_DefaultRealloc2(ptr, size, sizeof(type), FXMEM_NONLEAVE)
+#define FX_Free(pointer) FXMEM_DefaultFree(pointer, 0)
+#ifdef __cplusplus
+}
+#endif
+#ifdef __cplusplus
+#if defined(_DEBUG)
+#define FX_NEW new(__FILE__, __LINE__)
+#else
+
+#define FX_NEW new
+#endif
+class CFX_Object
+{
+public:
+
+    void*			operator new (size_t size, FX_LPCSTR file, int line);
+
+    void			operator delete (void* p, FX_LPCSTR file, int line);
+
+    void*			operator new (size_t size);
+
+    void			operator delete (void* p);
+
+    void*			operator new[] (size_t size, FX_LPCSTR file, int line);
+
+    void			operator delete[] (void* p, FX_LPCSTR file, int line);
+
+    void*			operator new[] (size_t size);
+
+    void			operator delete[] (void* p);
+
+    void*			operator new (size_t, void* buf)
+    {
+        return buf;
+    }
+
+    void			operator delete (void*, void*) {}
+};
+#define FX_NEW_VECTOR(Pointer, Class, Count) \
+    { \
+        Pointer = FX_Alloc(Class, Count); \
+        if (Pointer) { \
+            for (int i = 0; i < (Count); i ++) new (Pointer + i) Class; \
+        } \
+    }
+#define FX_DELETE_VECTOR(Pointer, Class, Count) \
+    { \
+        for (int i = 0; i < (Count); i ++) Pointer[i].~Class(); \
+        FX_Free(Pointer); \
+    }
+class CFX_DestructObject : public CFX_Object
+{
+public:
+
+    virtual ~CFX_DestructObject() {}
+};
+#ifdef __cplusplus
+extern "C" {
+#endif
+typedef struct _IFX_Allocator {
+
+    void*	(*m_AllocDebug)(struct _IFX_Allocator* pAllocator, size_t size, FX_LPCSTR file, int line);
+
+    void*	(*m_Alloc)(struct _IFX_Allocator* pAllocator, size_t size);
+
+    void*	(*m_ReallocDebug)(struct _IFX_Allocator* pAllocator, void* p, size_t size, FX_LPCSTR file, int line);
+
+    void*	(*m_Realloc)(struct _IFX_Allocator* pAllocator, void* p, size_t size);
+
+    void	(*m_Free)(struct _IFX_Allocator* pAllocator, void* p);
+} IFX_Allocator;
+IFX_Allocator* FXMEM_GetDefAllocator();
+#ifdef __cplusplus
+}
+#endif
+#ifdef _DEBUG
+
+#define FX_Allocator_Alloc(fxAllocator, type, size) \
+    ((fxAllocator) ? (type*)(fxAllocator)->m_AllocDebug((fxAllocator), (size) * sizeof(type), __FILE__, __LINE__) : (FX_Alloc(type, size)))
+
+#define FX_Allocator_Realloc(fxAllocator, type, ptr, new_size) \
+    ((fxAllocator) ? (type*)(fxAllocator)->m_ReallocDebug((fxAllocator), (ptr), (new_size) * sizeof(type), __FILE__, __LINE__) : (FX_Realloc(type, ptr, new_size)))
+#else
+
+#define FX_Allocator_Alloc(fxAllocator, type, size) \
+    ((fxAllocator) ? (type*)(fxAllocator)->m_Alloc((fxAllocator), (size) * sizeof(type)) : (FX_Alloc(type, size)))
+
+#define FX_Allocator_Realloc(fxAllocator, type, ptr, new_size) \
+    ((fxAllocator) ? (type*)(fxAllocator)->m_Realloc((fxAllocator), (ptr), (new_size) * sizeof(type)) : (FX_Realloc(type, ptr, new_size)))
+#endif
+#define FX_Allocator_Free(fxAllocator, ptr) \
+    ((fxAllocator) ? (fxAllocator)->m_Free((fxAllocator), (ptr)) : (FX_Free(ptr)))
+inline void* operator new(size_t size, IFX_Allocator* fxAllocator)
+{
+    return (void*)FX_Allocator_Alloc(fxAllocator, FX_BYTE, size);
+}
+inline void operator delete(void* ptr, IFX_Allocator* fxAllocator)
+{
+}
+#define FX_NewAtAllocator(fxAllocator) \
+    ::new(fxAllocator)
+#define FX_DeleteAtAllocator(pointer, fxAllocator, __class__) \
+    (pointer)->~__class__(); \
+    FX_Allocator_Free(fxAllocator, pointer)
+class CFX_AllocObject
+{
+public:
+
+    void*			operator new (size_t size, IFX_Allocator* pAllocator, FX_LPCSTR file, int line);
+#ifndef _FX_NO_EXCEPTION_
+
+    void			operator delete (void* p, IFX_Allocator* pAllocator, FX_LPCSTR file, int line);
+#endif
+
+    void*			operator new (size_t size, IFX_Allocator* pAllocator);
+
+    void			operator delete (void* p);
+#ifndef _FX_NO_EXCEPTION_
+
+    void			operator delete (void* p, IFX_Allocator* pAllocator);
+#endif
+
+    void*			operator new (size_t, void* buf)
+    {
+        return buf;
+    }
+#ifndef _FX_NO_EXCEPTION_
+
+    void			operator delete (void*, void*) {}
+#endif
+
+    IFX_Allocator*	GetAllocator() const
+    {
+        return m_pAllocator;
+    }
+private:
+
+    void*			operator new[] (size_t size, IFX_Allocator* pAllocator, FX_LPCSTR file, int line)
+    {
+        return operator new(size, pAllocator, file, line);
+    }
+#ifndef _FX_NO_EXCEPTION_
+
+    void			operator delete[] (void* p, IFX_Allocator* pAllocator, FX_LPCSTR file, int line) {}
+#endif
+
+    void*			operator new[] (size_t size, IFX_Allocator* pAllocator)
+    {
+        return operator new(size, pAllocator);
+    }
+
+    void			operator delete[] (void* p) {}
+#ifndef _FX_NO_EXCEPTION_
+
+    void			operator delete[] (void* p, IFX_Allocator* pAllocator) {}
+#endif
+protected:
+
+    IFX_Allocator*	m_pAllocator;
+};
+#if defined(_DEBUG)
+#define FX_NEWAT(pAllocator) new(pAllocator, __FILE__, __LINE__)
+#else
+
+#define FX_NEWAT(pAllocator) new(pAllocator)
+#endif
+class CFX_GrowOnlyPool : public IFX_Allocator, public CFX_Object
+{
+public:
+
+    CFX_GrowOnlyPool(IFX_Allocator* pAllocator = NULL, size_t trunk_size = 16384);
+
+    ~CFX_GrowOnlyPool();
+
+    void	SetAllocator(IFX_Allocator* pAllocator);
+
+    void	SetTrunkSize(size_t trunk_size)
+    {
+        m_TrunkSize = trunk_size;
+    }
+
+    void*	AllocDebug(size_t size, FX_LPCSTR file, int line)
+    {
+        return Alloc(size);
+    }
+
+    void*	Alloc(size_t size);
+
+    void*	ReallocDebug(void* p, size_t new_size, FX_LPCSTR file, int line)
+    {
+        return NULL;
+    }
+
+    void*	Realloc(void* p, size_t new_size)
+    {
+        return NULL;
+    }
+
+    void	Free(void*) {}
+
+    void	FreeAll();
+private:
+
+    size_t	m_TrunkSize;
+
+    void*	m_pFirstTrunk;
+
+    IFX_Allocator*	m_pAllocator;
+};
+#endif
+#ifdef __cplusplus
+extern "C" {
+#endif
+#define FX_FIXEDMEM_PAGESIZE		(4096 * 16)
+#define FX_FIXEDMEM_MIDBLOCKSIZE	(4096)
+typedef struct _FX_MEMCONFIG {
+
+    size_t	nPageNum_Init8;
+
+    size_t	nPageNum_Init16;
+
+    size_t	nPageNum_Init32;
+
+    size_t	nPageNum_More16;
+
+    size_t	nPageNum_More32;
+
+    size_t	nPageSize_Mid;
+
+    size_t	nPageNum_InitMid;
+
+    size_t	nPageNum_MoreMid;
+
+    size_t	nPageSize_Large;
+
+    size_t	nPageSize_Alone;
+} FX_MEMCONFIG;
+void	FXMEM_SetConfig(const FX_MEMCONFIG* memConfig);
+#ifdef __cplusplus
+}
+#endif
+#endif
diff --git a/core/include/fxcrt/fx_stream.h b/core/include/fxcrt/fx_stream.h
new file mode 100644
index 0000000000..cda5253365
--- /dev/null
+++ b/core/include/fxcrt/fx_stream.h
@@ -0,0 +1,200 @@
+// Copyright 2014 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 _FX_STREAM_H_
+#define _FX_STREAM_H_
+#ifndef _FX_MEMORY_H_
+#include "fx_memory.h"
+#endif
+void* FX_OpenFolder(FX_LPCSTR path);
+void* FX_OpenFolder(FX_LPCWSTR path);
+FX_BOOL FX_GetNextFile(void* handle, CFX_ByteString& filename, FX_BOOL& bFolder);
+FX_BOOL FX_GetNextFile(void* handle, CFX_WideString& filename, FX_BOOL& bFolder);
+void FX_CloseFolder(void* handle);
+FX_WCHAR FX_GetFolderSeparator();
+FX_DEFINEHANDLE(FX_HFILE)
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+#define FX_FILESIZE			FX_INT32
+#else
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#ifndef O_BINARY
+#define O_BINARY 		0
+#endif
+#ifndef O_LARGEFILE
+#define O_LARGEFILE		0
+#endif
+#define FX_FILESIZE			off_t
+#endif
+#define FX_GETBYTEOFFSET32(a)	0
+#define FX_GETBYTEOFFSET40(a)	0
+#define FX_GETBYTEOFFSET48(a)	0
+#define FX_GETBYTEOFFSET56(a)	0
+#define FX_GETBYTEOFFSET24(a)  ((FX_BYTE)(a>>24))
+#define FX_GETBYTEOFFSET16(a)  ((FX_BYTE)(a>>16))
+#define FX_GETBYTEOFFSET8(a)   ((FX_BYTE)(a>>8))
+#define FX_GETBYTEOFFSET0(a)   ((FX_BYTE)(a))
+#define FX_FILEMODE_Write		0
+#define FX_FILEMODE_ReadOnly	1
+#define FX_FILEMODE_Truncate	2
+FX_HFILE	FX_File_Open(FX_BSTR fileName, FX_DWORD dwMode, IFX_Allocator* pAllocator = NULL);
+FX_HFILE	FX_File_Open(FX_WSTR fileName, FX_DWORD dwMode, IFX_Allocator* pAllocator = NULL);
+void		FX_File_Close(FX_HFILE hFile, IFX_Allocator* pAllocator = NULL);
+FX_FILESIZE	FX_File_GetSize(FX_HFILE hFile);
+FX_FILESIZE	FX_File_GetPosition(FX_HFILE hFile);
+FX_FILESIZE	FX_File_SetPosition(FX_HFILE hFile, FX_FILESIZE pos);
+size_t		FX_File_Read(FX_HFILE hFile, void* pBuffer, size_t szBuffer);
+size_t		FX_File_ReadPos(FX_HFILE hFile, void* pBuffer, size_t szBuffer, FX_FILESIZE pos);
+size_t		FX_File_Write(FX_HFILE hFile, const void* pBuffer, size_t szBuffer);
+size_t		FX_File_WritePos(FX_HFILE hFile, const void* pBuffer, size_t szBuffer, FX_FILESIZE pos);
+FX_BOOL		FX_File_Flush(FX_HFILE hFile);
+FX_BOOL		FX_File_Truncate(FX_HFILE hFile, FX_FILESIZE szFile);
+FX_BOOL		FX_File_Exist(FX_BSTR fileName);
+FX_BOOL		FX_File_Exist(FX_WSTR fileName);
+FX_BOOL		FX_File_Delete(FX_BSTR fileName);
+FX_BOOL		FX_File_Delete(FX_WSTR fileName);
+FX_BOOL		FX_File_Copy(FX_BSTR fileNameSrc, FX_BSTR fileNameDst);
+FX_BOOL		FX_File_Copy(FX_WSTR fileNameSrc, FX_WSTR fileNameDst);
+FX_BOOL		FX_File_Move(FX_BSTR fileNameSrc, FX_BSTR fileNameDst);
+FX_BOOL		FX_File_Move(FX_WSTR fileNameSrc, FX_WSTR fileNameDst);
+class IFX_StreamWrite
+{
+public:
+
+    virtual void		Release() = 0;
+
+    virtual	FX_BOOL		WriteBlock(const void* pData, size_t size) = 0;
+};
+class IFX_FileWrite : public IFX_StreamWrite
+{
+public:
+
+    virtual void			Release() = 0;
+
+    virtual FX_FILESIZE		GetSize() = 0;
+
+    virtual FX_BOOL			Flush() = 0;
+
+    virtual	FX_BOOL			WriteBlock(const void* pData, FX_FILESIZE offset, size_t size) = 0;
+    virtual	FX_BOOL			WriteBlock(const void* pData, size_t size)
+    {
+        return WriteBlock(pData, GetSize(), size);
+    }
+};
+IFX_FileWrite* FX_CreateFileWrite(FX_LPCSTR filename, IFX_Allocator* pAllocator = NULL);
+IFX_FileWrite* FX_CreateFileWrite(FX_LPCWSTR filename, IFX_Allocator* pAllocator = NULL);
+class IFX_StreamRead
+{
+public:
+
+    virtual void			Release() = 0;
+
+    virtual FX_BOOL			IsEOF() = 0;
+
+    virtual FX_FILESIZE		GetPosition() = 0;
+
+    virtual size_t			ReadBlock(void* buffer, size_t size) = 0;
+};
+class IFX_FileRead : IFX_StreamRead
+{
+public:
+
+    virtual void			Release() = 0;
+
+    virtual FX_FILESIZE		GetSize() = 0;
+
+    virtual FX_BOOL			IsEOF()
+    {
+        return FALSE;
+    }
+
+    virtual FX_FILESIZE		GetPosition()
+    {
+        return 0;
+    }
+
+    virtual FX_BOOL			SetRange(FX_FILESIZE offset, FX_FILESIZE size)
+    {
+        return FALSE;
+    }
+
+    virtual void			ClearRange() {}
+
+    virtual FX_BOOL			ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) = 0;
+
+    virtual size_t			ReadBlock(void* buffer, size_t size)
+    {
+        return 0;
+    }
+};
+IFX_FileRead* FX_CreateFileRead(FX_LPCSTR filename, IFX_Allocator* pAllocator = NULL);
+IFX_FileRead* FX_CreateFileRead(FX_LPCWSTR filename, IFX_Allocator* pAllocator = NULL);
+class IFX_FileStream : public IFX_FileRead, public IFX_FileWrite
+{
+public:
+
+    virtual IFX_FileStream*		Retain() = 0;
+
+    virtual void				Release() = 0;
+
+    virtual FX_FILESIZE			GetSize() = 0;
+
+    virtual FX_BOOL				IsEOF() = 0;
+
+    virtual FX_FILESIZE			GetPosition() = 0;
+
+    virtual FX_BOOL				ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) = 0;
+
+    virtual size_t				ReadBlock(void* buffer, size_t size) = 0;
+
+    virtual	FX_BOOL				WriteBlock(const void* buffer, FX_FILESIZE offset, size_t size) = 0;
+    virtual	FX_BOOL				WriteBlock(const void* buffer, size_t size)
+    {
+        return WriteBlock(buffer, GetSize(), size);
+    }
+
+    virtual FX_BOOL				Flush() = 0;
+};
+IFX_FileStream*		FX_CreateFileStream(FX_LPCSTR filename, FX_DWORD dwModes, IFX_Allocator* pAllocator = NULL);
+IFX_FileStream*		FX_CreateFileStream(FX_LPCWSTR filename, FX_DWORD dwModes, IFX_Allocator* pAllocator = NULL);
+class IFX_MemoryStream : public IFX_FileStream
+{
+public:
+
+    virtual FX_BOOL			IsConsecutive() const = 0;
+
+    virtual void			EstimateSize(size_t nInitSize, size_t nGrowSize) = 0;
+
+    virtual FX_LPBYTE		GetBuffer() const = 0;
+
+    virtual void			AttachBuffer(FX_LPBYTE pBuffer, size_t nSize, FX_BOOL bTakeOver = FALSE) = 0;
+
+    virtual void			DetachBuffer() = 0;
+};
+IFX_MemoryStream*	FX_CreateMemoryStream(FX_LPBYTE pBuffer, size_t nSize, FX_BOOL bTakeOver = FALSE, IFX_Allocator* pAllocator = NULL);
+IFX_MemoryStream*	FX_CreateMemoryStream(FX_BOOL bConsecutive = FALSE, IFX_Allocator* pAllocator = NULL);
+class IFX_BufferRead : public IFX_StreamRead
+{
+public:
+
+    virtual void			Release() = 0;
+
+    virtual FX_BOOL			IsEOF() = 0;
+
+    virtual FX_FILESIZE		GetPosition() = 0;
+
+    virtual size_t			ReadBlock(void* buffer, size_t size) = 0;
+
+    virtual FX_BOOL			ReadNextBlock(FX_BOOL bRestart = FALSE) = 0;
+
+    virtual FX_LPCBYTE		GetBlockBuffer() = 0;
+
+    virtual size_t			GetBlockSize() = 0;
+
+    virtual FX_FILESIZE		GetBlockOffset() = 0;
+};
+#endif
diff --git a/core/include/fxcrt/fx_string.h b/core/include/fxcrt/fx_string.h
new file mode 100644
index 0000000000..563964cdf7
--- /dev/null
+++ b/core/include/fxcrt/fx_string.h
@@ -0,0 +1,870 @@
+// Copyright 2014 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 _FX_STRING_H_
+#define _FX_STRING_H_
+class CFX_ByteStringC;
+class CFX_ByteString;
+class CFX_WideStringC;
+class CFX_WideString;
+struct CFX_CharMap;
+class CFX_BinaryBuf;
+typedef int FX_STRSIZE;
+class CFX_ByteStringL;
+class CFX_WideStringL;
+class CFX_ByteStringC : public CFX_Object
+{
+public:
+
+    CFX_ByteStringC()
+    {
+        m_Ptr = NULL;
+        m_Length = 0;
+    }
+
+    CFX_ByteStringC(FX_LPCBYTE ptr, FX_STRSIZE size)
+    {
+        m_Ptr = ptr;
+        m_Length = size;
+    }
+
+    CFX_ByteStringC(FX_LPCSTR ptr)
+    {
+        m_Ptr = (FX_LPCBYTE)ptr;
+        m_Length = ptr ? (FX_STRSIZE)FXSYS_strlen(ptr) : 0;
+    }
+
+    CFX_ByteStringC(FX_CHAR& ch)
+    {
+        m_Ptr = (FX_LPCBYTE)&ch;
+        m_Length = 1;
+    }
+
+    CFX_ByteStringC(FX_LPCSTR ptr, FX_STRSIZE len)
+    {
+        m_Ptr = (FX_LPCBYTE)ptr;
+        if (len == -1) {
+            m_Length = (FX_STRSIZE)FXSYS_strlen(ptr);
+        } else {
+            m_Length = len;
+        }
+    }
+
+    CFX_ByteStringC(const CFX_ByteStringC& src)
+    {
+        m_Ptr = src.m_Ptr;
+        m_Length = src.m_Length;
+    }
+
+    CFX_ByteStringC(const CFX_ByteString& src);
+
+    CFX_ByteStringC& operator = (FX_LPCSTR src)
+    {
+        m_Ptr = (FX_LPCBYTE)src;
+        m_Length = (FX_STRSIZE)FXSYS_strlen(src);
+        return *this;
+    }
+
+    CFX_ByteStringC& operator = (const CFX_ByteStringC& src)
+    {
+        m_Ptr = src.m_Ptr;
+        m_Length = src.m_Length;
+        return *this;
+    }
+
+    CFX_ByteStringC& operator = (const CFX_ByteString& src);
+
+    bool			operator == (const CFX_ByteStringC& str) const
+    {
+        return 	str.m_Length == m_Length && FXSYS_memcmp32(str.m_Ptr, m_Ptr, m_Length) == 0;
+    }
+
+    bool			operator != (const CFX_ByteStringC& str) const
+    {
+        return 	str.m_Length != m_Length || FXSYS_memcmp32(str.m_Ptr, m_Ptr, m_Length) != 0;
+    }
+#define FXBSTR_ID(c1, c2, c3, c4) ((c1 << 24) | (c2 << 16) | (c3 << 8) | (c4))
+
+    FX_DWORD		GetID(FX_STRSIZE start_pos = 0) const;
+
+    FX_LPCBYTE		GetPtr() const
+    {
+        return m_Ptr;
+    }
+
+    FX_LPCSTR		GetCStr() const
+    {
+        return (FX_LPCSTR)m_Ptr;
+    }
+
+    FX_STRSIZE		GetLength() const
+    {
+        return m_Length;
+    }
+
+    bool			IsEmpty() const
+    {
+        return m_Length == 0;
+    }
+
+    operator		FX_LPCBYTE() const
+    {
+        return m_Ptr;
+    }
+
+    FX_BYTE			GetAt(FX_STRSIZE index) const
+    {
+        return m_Ptr[index];
+    }
+
+    CFX_ByteStringC	Mid(FX_STRSIZE index, FX_STRSIZE count = -1) const
+    {
+        if (index < 0) {
+            index = 0;
+        }
+        if (index > m_Length) {
+            return CFX_ByteStringC();
+        }
+        if (count < 0 || count > m_Length - index) {
+            count = m_Length - index;
+        }
+        return CFX_ByteStringC(m_Ptr + index, count);
+    }
+protected:
+
+    FX_LPCBYTE		m_Ptr;
+
+    FX_STRSIZE		m_Length;
+private:
+
+    void*			operator new (size_t) throw()
+    {
+        return NULL;
+    }
+};
+typedef const CFX_ByteStringC& FX_BSTR;
+#define FX_BSTRC(str) CFX_ByteStringC(str, sizeof str-1)
+struct CFX_StringData {
+
+    long		m_nRefs;
+
+    FX_STRSIZE	m_nDataLength;
+
+    FX_STRSIZE	m_nAllocLength;
+
+    FX_CHAR		m_String[1];
+};
+class CFX_ByteString : public CFX_Object
+{
+public:
+
+    CFX_ByteString()
+    {
+        m_pData = NULL;
+    }
+
+    CFX_ByteString(const CFX_ByteString& str);
+
+    CFX_ByteString(char ch);
+
+    CFX_ByteString(FX_LPCSTR ptr, FX_STRSIZE len = -1);
+
+    CFX_ByteString(FX_LPCBYTE ptr, FX_STRSIZE len);
+
+    CFX_ByteString(FX_BSTR bstrc);
+
+    CFX_ByteString(FX_BSTR bstrc1, FX_BSTR bstrc2);
+
+    ~CFX_ByteString();
+
+    static CFX_ByteString	FromUnicode(FX_LPCWSTR ptr, FX_STRSIZE len = -1);
+
+    static CFX_ByteString	FromUnicode(const CFX_WideString& str);
+
+    operator				FX_LPCSTR() const
+    {
+        return m_pData ? m_pData->m_String : "";
+    }
+
+    operator				FX_LPCBYTE() const
+    {
+        return m_pData ? (FX_LPCBYTE)m_pData->m_String : NULL;
+    }
+
+    FX_STRSIZE				GetLength() const
+    {
+        return m_pData ? m_pData->m_nDataLength : 0;
+    }
+
+    bool					IsEmpty() const
+    {
+        return !GetLength();
+    }
+
+    int						Compare(FX_BSTR str) const;
+
+
+    bool					Equal(FX_BSTR str) const;
+
+
+    bool					EqualNoCase(FX_BSTR str) const;
+
+    bool					operator == (FX_LPCSTR str) const
+    {
+        return Equal(str);
+    }
+
+    bool					operator == (FX_BSTR str) const
+    {
+        return Equal(str);
+    }
+
+    bool					operator == (const CFX_ByteString& str) const;
+
+    bool					operator != (FX_LPCSTR str) const
+    {
+        return !Equal(str);
+    }
+
+    bool					operator != (FX_BSTR str) const
+    {
+        return !Equal(str);
+    }
+
+    bool					operator != (const CFX_ByteString& str) const
+    {
+        return !operator==(str);
+    }
+
+    void					Empty();
+
+    const CFX_ByteString&	operator = (FX_LPCSTR str);
+
+    const CFX_ByteString&	operator = (FX_BSTR bstrc);
+
+    const CFX_ByteString&	operator = (const CFX_ByteString& stringSrc);
+
+    const CFX_ByteString&	operator = (const CFX_BinaryBuf& buf);
+
+    void					Load(FX_LPCBYTE str, FX_STRSIZE len);
+
+    const CFX_ByteString&	operator += (FX_CHAR ch);
+
+    const CFX_ByteString&	operator += (FX_LPCSTR str);
+
+    const CFX_ByteString&	operator += (const CFX_ByteString& str);
+
+    const CFX_ByteString&	operator += (FX_BSTR bstrc);
+
+    FX_BYTE					GetAt(FX_STRSIZE nIndex) const
+    {
+        return m_pData ? m_pData->m_String[nIndex] : 0;
+    }
+
+    FX_BYTE					operator[](FX_STRSIZE nIndex) const
+    {
+        return m_pData ? m_pData->m_String[nIndex] : 0;
+    }
+
+    void					SetAt(FX_STRSIZE nIndex, FX_CHAR ch);
+
+    FX_STRSIZE				Insert(FX_STRSIZE index, FX_CHAR ch);
+
+    FX_STRSIZE				Delete(FX_STRSIZE index, FX_STRSIZE count = 1);
+
+
+    void					Format(FX_LPCSTR lpszFormat, ... );
+
+    void					FormatV(FX_LPCSTR lpszFormat, va_list argList);
+
+
+    void					Reserve(FX_STRSIZE len);
+
+    FX_LPSTR				GetBuffer(FX_STRSIZE len);
+
+    FX_LPSTR				LockBuffer();
+
+    void					ReleaseBuffer(FX_STRSIZE len = -1);
+
+    CFX_ByteString			Mid(FX_STRSIZE first) const;
+
+    CFX_ByteString			Mid(FX_STRSIZE first, FX_STRSIZE count) const;
+
+    CFX_ByteString			Left(FX_STRSIZE count) const;
+
+    CFX_ByteString			Right(FX_STRSIZE count) const;
+
+    FX_STRSIZE				Find(FX_BSTR lpszSub, FX_STRSIZE start = 0) const;
+
+    FX_STRSIZE				Find(FX_CHAR ch, FX_STRSIZE start = 0) const;
+
+    FX_STRSIZE				ReverseFind(FX_CHAR ch) const;
+
+    void					MakeLower();
+
+    void					MakeUpper();
+
+    void					TrimRight();
+
+    void					TrimRight(FX_CHAR chTarget);
+
+    void					TrimRight(FX_BSTR lpszTargets);
+
+    void					TrimLeft();
+
+    void					TrimLeft(FX_CHAR chTarget);
+
+    void					TrimLeft(FX_BSTR lpszTargets);
+
+    FX_STRSIZE				Replace(FX_BSTR lpszOld, FX_BSTR lpszNew);
+
+    FX_STRSIZE				Remove(FX_CHAR ch);
+
+    CFX_WideString			UTF8Decode() const;
+
+    void					ConvertFrom(const CFX_WideString& str, CFX_CharMap* pCharMap = NULL);
+
+    FX_DWORD				GetID(FX_STRSIZE start_pos = 0) const;
+
+    static CFX_ByteString	LoadFromFile(FX_BSTR file_path);
+#define FXFORMAT_SIGNED			1
+#define FXFORMAT_HEX			2
+#define FXFORMAT_CAPITAL		4
+
+    static CFX_ByteString	FormatInteger(int i, FX_DWORD flags = 0);
+
+    static CFX_ByteString	FormatFloat(FX_FLOAT f, int precision = 0);
+protected:
+
+    struct CFX_StringData*	m_pData;
+    void					AllocCopy(CFX_ByteString& dest, FX_STRSIZE nCopyLen, FX_STRSIZE nCopyIndex, FX_STRSIZE nExtraLen) const;
+    void					AssignCopy(FX_STRSIZE nSrcLen, FX_LPCSTR lpszSrcData);
+    void					ConcatCopy(FX_STRSIZE nSrc1Len, FX_LPCSTR lpszSrc1Data, FX_STRSIZE nSrc2Len, FX_LPCSTR lpszSrc2Data);
+    void					ConcatInPlace(FX_STRSIZE nSrcLen, FX_LPCSTR lpszSrcData);
+    void					CopyBeforeWrite();
+    void					AllocBeforeWrite(FX_STRSIZE nLen);
+};
+inline CFX_ByteStringC::CFX_ByteStringC(const CFX_ByteString& src)
+{
+    m_Ptr = (FX_LPCBYTE)src;
+    m_Length = src.GetLength();
+}
+inline CFX_ByteStringC& CFX_ByteStringC::operator = (const CFX_ByteString& src)
+{
+    m_Ptr = (FX_LPCBYTE)src;
+    m_Length = src.GetLength();
+    return *this;
+}
+
+inline CFX_ByteString operator + (FX_BSTR str1, FX_BSTR str2)
+{
+    return CFX_ByteString(str1, str2);
+}
+inline CFX_ByteString operator + (FX_BSTR str1, FX_LPCSTR str2)
+{
+    return CFX_ByteString(str1, str2);
+}
+inline CFX_ByteString operator + (FX_LPCSTR str1, FX_BSTR str2)
+{
+    return CFX_ByteString(str1, str2);
+}
+inline CFX_ByteString operator + (FX_BSTR str1, FX_CHAR ch)
+{
+    return CFX_ByteString(str1, CFX_ByteStringC(ch));
+}
+inline CFX_ByteString operator + (FX_CHAR ch, FX_BSTR str2)
+{
+    return CFX_ByteString(ch, str2);
+}
+inline CFX_ByteString operator + (const CFX_ByteString& str1, const CFX_ByteString& str2)
+{
+    return CFX_ByteString(str1, str2);
+}
+inline CFX_ByteString operator + (const CFX_ByteString& str1, FX_CHAR ch)
+{
+    return CFX_ByteString(str1, CFX_ByteStringC(ch));
+}
+inline CFX_ByteString operator + (FX_CHAR ch, const CFX_ByteString& str2)
+{
+    return CFX_ByteString(ch, str2);
+}
+inline CFX_ByteString operator + (const CFX_ByteString& str1, FX_LPCSTR str2)
+{
+    return CFX_ByteString(str1, str2);
+}
+inline CFX_ByteString operator + (FX_LPCSTR str1, const CFX_ByteString& str2)
+{
+    return CFX_ByteString(str1, str2);
+}
+inline CFX_ByteString operator + (const CFX_ByteString& str1, FX_BSTR str2)
+{
+    return CFX_ByteString(str1, str2);
+}
+inline CFX_ByteString operator + (FX_BSTR str1, const CFX_ByteString& str2)
+{
+    return CFX_ByteString(str1, str2);
+}
+class CFX_StringBufBase : public CFX_Object
+{
+public:
+
+    CFX_StringBufBase(FX_STRSIZE limit)
+    {
+        m_Size = 0;
+        m_Limit = limit;
+    }
+
+    FX_CHAR*	GetPtr() const
+    {
+        return (FX_CHAR*)(this + 1);
+    }
+
+    FX_STRSIZE	GetSize() const
+    {
+        return m_Size;
+    }
+
+    void		Empty()
+    {
+        m_Size = 0;
+    }
+
+    void		Copy(FX_BSTR str);
+
+    void		Append(FX_BSTR str);
+
+    void		Append(int i, FX_DWORD flags = 0);
+
+    CFX_ByteStringC		GetStringC() const
+    {
+        return CFX_ByteStringC((FX_CHAR*)(this + 1), m_Size);
+    }
+
+    CFX_ByteString		GetString() const
+    {
+        return CFX_ByteString((FX_CHAR*)(this + 1), m_Size);
+    }
+protected:
+
+    FX_STRSIZE	m_Limit;
+
+    FX_STRSIZE	m_Size;
+};
+template<FX_STRSIZE limit>
+class CFX_StringBufTemplate : public CFX_StringBufBase
+{
+public:
+
+    CFX_StringBufTemplate() : CFX_StringBufBase(limit) {}
+
+    FX_CHAR		m_Buffer[limit];
+};
+typedef CFX_StringBufTemplate<256> CFX_StringBuf256;
+class CFX_WideStringC : public CFX_Object
+{
+public:
+
+    CFX_WideStringC()
+    {
+        m_Ptr = NULL;
+        m_Length = 0;
+    }
+
+    CFX_WideStringC(FX_LPCWSTR ptr)
+    {
+        m_Ptr = ptr;
+        m_Length = ptr ? (FX_STRSIZE)FXSYS_wcslen(ptr) : 0;
+    }
+
+    CFX_WideStringC(FX_WCHAR& ch)
+    {
+        m_Ptr = &ch;
+        m_Length = 1;
+    }
+
+    CFX_WideStringC(FX_LPCWSTR ptr, FX_STRSIZE len)
+    {
+        m_Ptr = ptr;
+        if (len == -1) {
+            m_Length = (FX_STRSIZE)FXSYS_wcslen(ptr);
+        } else {
+            m_Length = len;
+        }
+    }
+
+    CFX_WideStringC(const CFX_WideStringC& src)
+    {
+        m_Ptr = src.m_Ptr;
+        m_Length = src.m_Length;
+    }
+
+    CFX_WideStringC(const CFX_WideString& src);
+
+    CFX_WideStringC& operator = (FX_LPCWSTR src)
+    {
+        m_Ptr = src;
+        m_Length = (FX_STRSIZE)FXSYS_wcslen(src);
+        return *this;
+    }
+
+    CFX_WideStringC& operator = (const CFX_WideStringC& src)
+    {
+        m_Ptr = src.m_Ptr;
+        m_Length = src.m_Length;
+        return *this;
+    }
+
+    CFX_WideStringC& operator = (const CFX_WideString& src);
+
+    bool			operator == (const CFX_WideStringC& str) const
+    {
+        return 	str.m_Length == m_Length && FXSYS_memcmp32(str.m_Ptr, m_Ptr, m_Length * sizeof(FX_WCHAR)) == 0;
+    }
+
+    bool			operator != (const CFX_WideStringC& str) const
+    {
+        return 	str.m_Length != m_Length || FXSYS_memcmp32(str.m_Ptr, m_Ptr, m_Length * sizeof(FX_WCHAR)) != 0;
+    }
+
+    FX_LPCWSTR		GetPtr() const
+    {
+        return m_Ptr;
+    }
+
+    FX_STRSIZE		GetLength() const
+    {
+        return m_Length;
+    }
+
+    bool			IsEmpty() const
+    {
+        return m_Length == 0;
+    }
+
+    FX_WCHAR		GetAt(FX_STRSIZE index) const
+    {
+        return m_Ptr[index];
+    }
+
+    CFX_WideStringC	Left(FX_STRSIZE count) const
+    {
+        if (count < 1) {
+            return CFX_WideStringC();
+        }
+        if (count > m_Length) {
+            count = m_Length;
+        }
+        return CFX_WideStringC(m_Ptr, count);
+    }
+
+    CFX_WideStringC	Mid(FX_STRSIZE index, FX_STRSIZE count = -1) const
+    {
+        if (index < 0) {
+            index = 0;
+        }
+        if (index > m_Length) {
+            return CFX_WideStringC();
+        }
+        if (count < 0 || count > m_Length - index) {
+            count = m_Length - index;
+        }
+        return CFX_WideStringC(m_Ptr + index, count);
+    }
+
+    CFX_WideStringC	Right(FX_STRSIZE count) const
+    {
+        if (count < 1) {
+            return CFX_WideStringC();
+        }
+        if (count > m_Length) {
+            count = m_Length;
+        }
+        return CFX_WideStringC(m_Ptr + m_Length - count, count);
+    }
+protected:
+
+    FX_LPCWSTR		m_Ptr;
+
+    FX_STRSIZE		m_Length;
+private:
+
+    void*			operator new (size_t) throw()
+    {
+        return NULL;
+    }
+};
+typedef const CFX_WideStringC&	FX_WSTR;
+#define FX_WSTRC(wstr) CFX_WideStringC((FX_LPCWSTR)wstr, sizeof(wstr) / sizeof(FX_WCHAR) - 1)
+struct CFX_StringDataW {
+
+    long		m_nRefs;
+
+    FX_STRSIZE	m_nDataLength;
+
+    FX_STRSIZE	m_nAllocLength;
+
+    FX_WCHAR	m_String[1];
+};
+class CFX_WideString : public CFX_Object
+{
+public:
+
+    CFX_WideString()
+    {
+        m_pData = NULL;
+    }
+
+    CFX_WideString(const CFX_WideString& str);
+
+    CFX_WideString(FX_LPCWSTR ptr, FX_STRSIZE len = -1)
+    {
+        InitStr(ptr, len);
+    }
+
+    CFX_WideString(FX_WCHAR ch);
+
+    CFX_WideString(const CFX_WideStringC& str);
+
+    CFX_WideString(const CFX_WideStringC& str1, const CFX_WideStringC& str2);
+
+    ~CFX_WideString();
+
+    static CFX_WideString	FromLocal(const char* str, FX_STRSIZE len = -1);
+
+    static CFX_WideString	FromUTF8(const char* str, FX_STRSIZE len = -1);
+
+    static CFX_WideString	FromUTF16LE(const unsigned short* str, FX_STRSIZE len = -1);
+
+    operator FX_LPCWSTR() const
+    {
+        return m_pData ? m_pData->m_String : (FX_WCHAR*)L"";
+    }
+
+    void					Empty();
+
+
+    FX_BOOL					IsEmpty() const
+    {
+        return !GetLength();
+    }
+
+    FX_STRSIZE				GetLength() const
+    {
+        return m_pData ? m_pData->m_nDataLength : 0;
+    }
+
+    const CFX_WideString&	operator = (FX_LPCWSTR str);
+
+    const CFX_WideString&	operator =(const CFX_WideString& stringSrc);
+
+    const CFX_WideString&	operator =(const CFX_WideStringC& stringSrc);
+
+    const CFX_WideString&	operator += (FX_LPCWSTR str);
+
+    const CFX_WideString&	operator += (FX_WCHAR ch);
+
+    const CFX_WideString&	operator += (const CFX_WideString& str);
+
+    const CFX_WideString&	operator += (const CFX_WideStringC& str);
+
+    FX_WCHAR				GetAt(FX_STRSIZE nIndex) const
+    {
+        return m_pData ? m_pData->m_String[nIndex] : 0;
+    }
+
+    FX_WCHAR				operator[](FX_STRSIZE nIndex) const
+    {
+        return m_pData ? m_pData->m_String[nIndex] : 0;
+    }
+
+    void					SetAt(FX_STRSIZE nIndex, FX_WCHAR ch);
+
+    int						Compare(FX_LPCWSTR str) const;
+
+    int						Compare(const CFX_WideString& str) const;
+
+    int						CompareNoCase(FX_LPCWSTR str) const;
+
+    bool					Equal(const CFX_WideStringC& str) const;
+
+    CFX_WideString			Mid(FX_STRSIZE first) const;
+
+    CFX_WideString			Mid(FX_STRSIZE first, FX_STRSIZE count) const;
+
+    CFX_WideString			Left(FX_STRSIZE count) const;
+
+    CFX_WideString			Right(FX_STRSIZE count) const;
+
+    FX_STRSIZE				Insert(FX_STRSIZE index, FX_WCHAR ch);
+
+    FX_STRSIZE				Delete(FX_STRSIZE index, FX_STRSIZE count = 1);
+
+    void					Format(FX_LPCWSTR lpszFormat, ... );
+
+    void					FormatV(FX_LPCWSTR lpszFormat, va_list argList);
+
+    void					MakeLower();
+
+    void					MakeUpper();
+
+    void					TrimRight();
+
+    void					TrimRight(FX_WCHAR chTarget);
+
+    void					TrimRight(FX_LPCWSTR lpszTargets);
+
+    void					TrimLeft();
+
+    void					TrimLeft(FX_WCHAR chTarget);
+
+    void					TrimLeft(FX_LPCWSTR lpszTargets);
+
+    void					Reserve(FX_STRSIZE len);
+
+    FX_LPWSTR				GetBuffer(FX_STRSIZE len);
+
+    FX_LPWSTR				LockBuffer();
+
+    void					ReleaseBuffer(FX_STRSIZE len = -1);
+
+    int						GetInteger() const;
+
+    FX_FLOAT				GetFloat() const;
+
+    FX_STRSIZE				Find(FX_LPCWSTR lpszSub, FX_STRSIZE start = 0) const;
+
+    FX_STRSIZE				Find(FX_WCHAR ch, FX_STRSIZE start = 0) const;
+
+    FX_STRSIZE				Replace(FX_LPCWSTR lpszOld, FX_LPCWSTR lpszNew);
+
+    FX_STRSIZE				Remove(FX_WCHAR ch);
+
+    CFX_ByteString			UTF8Encode() const;
+
+    CFX_ByteString			UTF16LE_Encode(FX_BOOL bTerminate = TRUE) const;
+
+    void					ConvertFrom(const CFX_ByteString& str, CFX_CharMap* pCharMap = NULL);
+protected:
+    void					InitStr(FX_LPCWSTR ptr, int len);
+
+    CFX_StringDataW*		m_pData;
+    void					CopyBeforeWrite();
+    void					AllocBeforeWrite(FX_STRSIZE nLen);
+    void					ConcatInPlace(FX_STRSIZE nSrcLen, FX_LPCWSTR lpszSrcData);
+    void					ConcatCopy(FX_STRSIZE nSrc1Len, FX_LPCWSTR lpszSrc1Data, FX_STRSIZE nSrc2Len, FX_LPCWSTR lpszSrc2Data);
+    void					AssignCopy(FX_STRSIZE nSrcLen, FX_LPCWSTR lpszSrcData);
+    void					AllocCopy(CFX_WideString& dest, FX_STRSIZE nCopyLen, FX_STRSIZE nCopyIndex, FX_STRSIZE nExtraLen) const;
+};
+inline CFX_WideStringC::CFX_WideStringC(const CFX_WideString& src)
+{
+    m_Ptr = (FX_LPCWSTR)src;
+    m_Length = src.GetLength();
+}
+inline CFX_WideStringC& CFX_WideStringC::operator = (const CFX_WideString& src)
+{
+    m_Ptr = (FX_LPCWSTR)src;
+    m_Length = src.GetLength();
+    return *this;
+}
+
+inline CFX_WideString operator + (const CFX_WideStringC& str1, const CFX_WideStringC& str2)
+{
+    return CFX_WideString(str1, str2);
+}
+inline CFX_WideString operator + (const CFX_WideStringC& str1, FX_LPCWSTR str2)
+{
+    return CFX_WideString(str1, str2);
+}
+inline CFX_WideString operator + (FX_LPCWSTR str1, const CFX_WideStringC& str2)
+{
+    return CFX_WideString(str1, str2);
+}
+inline CFX_WideString operator + (const CFX_WideStringC& str1, FX_WCHAR ch)
+{
+    return CFX_WideString(str1, CFX_WideStringC(ch));
+}
+inline CFX_WideString operator + (FX_WCHAR ch, const CFX_WideStringC& str2)
+{
+    return CFX_WideString(ch, str2);
+}
+inline CFX_WideString operator + (const CFX_WideString& str1, const CFX_WideString& str2)
+{
+    return CFX_WideString(str1, str2);
+}
+inline CFX_WideString operator + (const CFX_WideString& str1, FX_WCHAR ch)
+{
+    return CFX_WideString(str1, CFX_WideStringC(ch));
+}
+inline CFX_WideString operator + (FX_WCHAR ch, const CFX_WideString& str2)
+{
+    return CFX_WideString(ch, str2);
+}
+inline CFX_WideString operator + (const CFX_WideString& str1, FX_LPCWSTR str2)
+{
+    return CFX_WideString(str1, str2);
+}
+inline CFX_WideString operator + (FX_LPCWSTR str1, const CFX_WideString& str2)
+{
+    return CFX_WideString(str1, str2);
+}
+inline CFX_WideString operator + (const CFX_WideString& str1, const CFX_WideStringC& str2)
+{
+    return CFX_WideString(str1, str2);
+}
+inline CFX_WideString operator + (const CFX_WideStringC& str1, const CFX_WideString& str2)
+{
+    return CFX_WideString(str1, str2);
+}
+
+bool operator==(const CFX_WideString& s1, const CFX_WideString& s2);
+bool operator==(const CFX_WideString& s1, const CFX_WideStringC& s2);
+bool operator==(const CFX_WideStringC& s1, const CFX_WideString& s2);
+bool operator== (const CFX_WideString& s1, FX_LPCWSTR s2);
+bool operator==(FX_LPCWSTR s1, const CFX_WideString& s2);
+bool operator!=(const CFX_WideString& s1, const CFX_WideString& s2);
+bool operator!=(const CFX_WideString& s1, const CFX_WideStringC& s2);
+bool operator!=(const CFX_WideStringC& s1, const CFX_WideString& s2);
+bool operator!= (const CFX_WideString& s1, FX_LPCWSTR s2);
+bool operator!=(FX_LPCWSTR s1, const CFX_WideString& s2);
+FX_FLOAT FX_atof(FX_BSTR str);
+void FX_atonum(FX_BSTR str, FX_BOOL& bInteger, void* pData);
+FX_STRSIZE FX_ftoa(FX_FLOAT f, FX_LPSTR buf);
+CFX_ByteString	FX_UTF8Encode(FX_LPCWSTR pwsStr, FX_STRSIZE len);
+inline CFX_ByteString	FX_UTF8Encode(FX_WSTR wsStr)
+{
+    return FX_UTF8Encode(wsStr.GetPtr(), wsStr.GetLength());
+}
+inline CFX_ByteString	FX_UTF8Encode(const CFX_WideString &wsStr)
+{
+    return FX_UTF8Encode((FX_LPCWSTR)wsStr, wsStr.GetLength());
+}
+class CFX_ByteStringL : public CFX_ByteStringC
+{
+public:
+    CFX_ByteStringL() : CFX_ByteStringC() {}
+    ~CFX_ByteStringL() {}
+
+    void		Empty(IFX_Allocator* pAllocator);
+    FX_LPSTR	AllocBuffer(FX_STRSIZE length, IFX_Allocator* pAllocator);
+
+    void		Set(FX_BSTR src, IFX_Allocator* pAllocator);
+};
+class CFX_WideStringL : public CFX_WideStringC
+{
+public:
+    CFX_WideStringL() : CFX_WideStringC() {}
+    ~CFX_WideStringL() {}
+
+    void		Empty(IFX_Allocator* pAllocator);
+    void		Set(FX_WSTR src, IFX_Allocator* pAllocator);
+
+    int			GetInteger() const;
+    FX_FLOAT	GetFloat() const;
+
+    void		TrimRight(FX_LPCWSTR lpszTargets);
+};
+void	FX_UTF8Encode(FX_LPCWSTR pwsStr, FX_STRSIZE len, CFX_ByteStringL &utf8Str, IFX_Allocator* pAllocator = NULL);
+#endif
diff --git a/core/include/fxcrt/fx_system.h b/core/include/fxcrt/fx_system.h
new file mode 100644
index 0000000000..f72be0ffcb
--- /dev/null
+++ b/core/include/fxcrt/fx_system.h
@@ -0,0 +1,279 @@
+// Copyright 2014 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 _FX_SYSTEM_H_
+#define _FX_SYSTEM_H_
+#define _FX_WIN32_DESKTOP_		1
+#define _FX_LINUX_DESKTOP_		4
+#define _FX_MACOSX_				7
+#define _FX_ANDROID_			12
+#define _FXM_PLATFORM_WINDOWS_		1
+#define _FXM_PLATFORM_LINUX_		2
+#define _FXM_PLATFORM_APPLE_		3
+#define _FXM_PLATFORM_ANDROID_		4
+#ifndef _FX_OS_
+#if defined(__ANDROID__)
+#define _FX_OS_ _FX_ANDROID_
+#define _FXM_PLATFORM_ _FXM_PLATFORM_ANDROID_
+#elif defined(_WIN32) || defined(_WIN64)
+#define _FX_OS_ _FX_WIN32_DESKTOP_
+#define _FXM_PLATFORM_ _FXM_PLATFORM_WINDOWS_
+#elif defined(__linux__)
+#define _FX_OS_ _FX_LINUX_DESKTOP_
+#define _FXM_PLATFORM_ _FXM_PLATFORM_LINUX_
+#elif defined(__APPLE__)
+#define _FX_OS_ _FX_MACOSX_
+#define _FXM_PLATFORM_ _FXM_PLATFORM_APPLE_
+#endif
+#endif
+#if !defined(_FX_OS_) || _FX_OS_ == 0
+#error Sorry, can not figure out what OS you are targeting to. Please specify _FX_OS_ macro.
+#endif
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+#define _CRT_SECURE_NO_WARNINGS
+#include <windows.h>
+#endif
+#define _FX_W32_		1
+#define _FX_W64_		2
+#ifndef _FX_WORDSIZE_
+#if defined(_WIN64) || defined(__arm64) || defined(__arm64__) || defined(_M_AMD64) || defined(_M_X64) || defined(_M_IA64) || defined(__powerpc64__) || defined(__x86_64__) || __WORDSIZE == 64
+#define _FX_WORDSIZE_	_FX_W64_
+#else
+#define _FX_WORDSIZE_	_FX_W32_
+#endif
+#endif
+#include <stddef.h>
+#include <stdarg.h>
+#include <setjmp.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <assert.h>
+#include <wchar.h>
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
+#include <libkern/OSAtomic.h>
+#if _FX_OS_ == _FX_MACOSX_
+#include <Carbon/Carbon.h>
+#elif _FX_OS_ == _FX_IOS_
+#include <CoreText/CoreText.h>
+#include <CoreGraphics/CoreGraphics.h>
+#endif
+#endif
+#ifdef __cplusplus
+extern "C" {
+#endif
+typedef void*					FX_LPVOID;
+typedef void const*				FX_LPCVOID;
+typedef void*					FX_POSITION;
+typedef signed char				FX_INT8;
+typedef unsigned char			FX_UINT8;
+typedef unsigned char			FX_BYTE;
+typedef unsigned char*			FX_LPBYTE;
+typedef unsigned char const*	FX_LPCBYTE;
+typedef short					FX_INT16;
+typedef unsigned short			FX_UINT16;
+typedef short					FX_SHORT;
+typedef unsigned short			FX_WORD;
+typedef unsigned short*			FX_LPWORD;
+typedef unsigned short const*	FX_LPCWORD;
+typedef int						FX_INT32;
+typedef float					FX_FLOAT;
+typedef int						FX_BOOL;
+typedef int						FX_ERR;
+#define FX_SUCCEEDED(Status)	((FX_ERR)(Status) >= 0)
+#define FX_FAILED(Status)		((FX_ERR)(Status) < 0)
+typedef char					FX_CHAR;
+typedef char*					FX_LPSTR;
+typedef char const*				FX_LPCSTR;
+typedef unsigned int		FX_DWORD;
+typedef unsigned int*		FX_LPDWORD;
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+typedef __int64				FX_INT64;
+typedef unsigned __int64	FX_UINT64;
+#else
+typedef long long int		FX_INT64;
+typedef unsigned long long	FX_UINT64;
+#endif
+#if _FX_WORDSIZE_ == _FX_W64_
+typedef FX_INT64			FX_INTPTR;
+typedef FX_UINT64			FX_UINTPTR;
+#else
+typedef int					FX_INTPTR;
+typedef unsigned int		FX_UINTPTR;
+#endif
+typedef wchar_t					FX_WCHAR;
+typedef wchar_t*				FX_LPWSTR;
+typedef wchar_t const*			FX_LPCWSTR;
+typedef FX_DWORD				FX_UINT32;
+typedef FX_UINT64				FX_QWORD;
+#define FX_DEFINEHANDLE(name)	typedef struct _##name {FX_LPVOID pData;} * name;
+#if defined(DEBUG) && !defined(_DEBUG)
+#define _DEBUG
+#endif
+#ifndef TRUE
+
+#define TRUE	1
+#endif
+#ifndef FALSE
+
+#define FALSE	0
+#endif
+#ifndef NULL
+
+#define NULL	0
+#endif
+#define FXSYS_assert assert
+#ifndef ASSERT
+#ifdef _DEBUG
+#define ASSERT FXSYS_assert
+#else
+
+#define ASSERT(a)
+#endif
+#endif
+#define FX_MAX(a, b) (((a) > (b)) ? (a) : (b))
+#define FX_MIN(a, b) (((a) < (b)) ? (a) : (b))
+#define FX_PI	3.1415926535897932384626433832795f
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+#define FXSYS_snprintf	_snprintf
+#else
+#define FXSYS_snprintf	snprintf
+#endif
+#define FXSYS_sprintf	sprintf
+#define FXSYS_vsprintf	vsprintf
+#define FXSYS_strchr	strchr
+#define FXSYS_strlen	strlen
+#define FXSYS_strncmp	strncmp
+#define FXSYS_strcmp	strcmp
+#define FXSYS_strcpy	strcpy
+#define FXSYS_strncpy	strncpy
+#define FXSYS_strstr	strstr
+#define FXSYS_FILE		FILE
+#define FXSYS_fopen		fopen
+#define FXSYS_fclose	fclose
+#define FXSYS_SEEK_END	SEEK_END
+#define FXSYS_SEEK_SET	SEEK_SET
+#define FXSYS_fseek		fseek
+#define FXSYS_ftell		ftell
+#define FXSYS_fread		fread
+#define FXSYS_fwrite	fwrite
+#define FXSYS_fprintf	fprintf
+#define FXSYS_fflush	fflush
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+#ifdef _NATIVE_WCHAR_T_DEFINED
+#define FXSYS_wfopen(f, m) _wfopen((const wchar_t*)(f), (const wchar_t*)(m))
+#else
+#define FXSYS_wfopen _wfopen
+#endif
+#else
+FXSYS_FILE* FXSYS_wfopen(FX_LPCWSTR filename, FX_LPCWSTR mode);
+#endif
+
+#define FXSYS_wcslen	wcslen
+#define FXSYS_wcscmp	wcscmp
+#define FXSYS_wcschr	wcschr
+#define FXSYS_wcsstr	wcsstr
+#define FXSYS_wcsncmp	wcsncmp
+#define FXSYS_vswprintf	vswprintf
+#define FXSYS_mbstowcs	mbstowcs
+#define FXSYS_wcstombs	wcstombs
+#define FXSYS_memcmp	memcmp
+#define FXSYS_memcpy	memcpy
+#define FXSYS_memmove	memmove
+#define FXSYS_memset	memset
+#define FXSYS_memchr	memchr
+#define FXSYS_qsort		qsort
+#define FXSYS_bsearch	bsearch
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+#define FXSYS_GetACP GetACP
+#define FXSYS_itoa _itoa
+#define FXSYS_strlwr _strlwr
+#define FXSYS_strupr _strupr
+#define FXSYS_stricmp _stricmp
+#ifdef _NATIVE_WCHAR_T_DEFINED
+#define FXSYS_wcsicmp(str1, str2) _wcsicmp((wchar_t*)(str1), (wchar_t*)(str2))
+#define FXSYS_WideCharToMultiByte(p1, p2, p3, p4, p5, p6, p7, p8) WideCharToMultiByte(p1, p2, (const wchar_t*)(p3), p4, p5, p6, p7, p8)
+#define FXSYS_MultiByteToWideChar(p1, p2, p3, p4, p5, p6) MultiByteToWideChar(p1, p2, p3, p4, (wchar_t*)(p5), p6)
+#define FXSYS_wcslwr(str) _wcslwr((wchar_t*)(str))
+#define FXSYS_wcsupr(str) _wcsupr((wchar_t*)(str))
+#else
+#define FXSYS_wcsicmp _wcsicmp
+#define FXSYS_WideCharToMultiByte WideCharToMultiByte
+#define FXSYS_MultiByteToWideChar MultiByteToWideChar
+#define FXSYS_wcslwr _wcslwr
+#define FXSYS_wcsupr _wcsupr
+#endif
+#define FXSYS_GetFullPathName GetFullPathName
+#define FXSYS_GetModuleFileName GetModuleFileName
+#else
+int			FXSYS_GetACP(void);
+char*		FXSYS_itoa(int value, char* string, int radix);
+int			FXSYS_WideCharToMultiByte(FX_DWORD codepage, FX_DWORD dwFlags, const wchar_t* wstr, int wlen,
+                                      char* buf, int buflen, const char* default_str, int* pUseDefault);
+int			FXSYS_MultiByteToWideChar(FX_DWORD codepage, FX_DWORD dwFlags, const char* bstr, int blen,
+                                      wchar_t* buf, int buflen);
+FX_DWORD	FXSYS_GetFullPathName(const char* filename, FX_DWORD buflen, char* buf, char** filepart);
+FX_DWORD	FXSYS_GetModuleFileName(void* hModule, char* buf, FX_DWORD bufsize);
+char*		FXSYS_strlwr(char* str);
+char*		FXSYS_strupr(char* str);
+int			FXSYS_stricmp(const char*, const char*);
+int			FXSYS_wcsicmp(const wchar_t *string1, const wchar_t *string2);
+wchar_t*	FXSYS_wcslwr(wchar_t* str);
+wchar_t*	FXSYS_wcsupr(wchar_t* str);
+#endif
+#define FXSYS_memcpy32		FXSYS_memcpy
+#define FXSYS_memcmp32		FXSYS_memcmp
+#define FXSYS_memset32		FXSYS_memset
+#define FXSYS_memset8		FXSYS_memset
+#define FXSYS_memmove32		FXSYS_memmove
+#ifdef __cplusplus
+}
+#endif
+#include <math.h>
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+#define FXSYS_pow(a, b)		(FX_FLOAT)powf(a, b)
+#else
+#define FXSYS_pow(a, b)		(FX_FLOAT)pow(a, b)
+#endif
+#define FXSYS_sqrt(a)		(FX_FLOAT)sqrt(a)
+#define FXSYS_fabs(a)		(FX_FLOAT)fabs(a)
+#define FXSYS_atan2(a, b)	(FX_FLOAT)atan2(a, b)
+#define FXSYS_ceil(a)		(FX_FLOAT)ceil(a)
+#define FXSYS_floor(a)		(FX_FLOAT)floor(a)
+#define FXSYS_cos(a)		(FX_FLOAT)cos(a)
+#define FXSYS_acos(a)		(FX_FLOAT)acos(a)
+#define FXSYS_sin(a)		(FX_FLOAT)sin(a)
+#define FXSYS_log(a)		(FX_FLOAT)log(a)
+#define FXSYS_log10(a)		(FX_FLOAT)log10(a)
+#define FXSYS_fmod(a, b)	(FX_FLOAT)fmod(a, b)
+#define FXSYS_abs			abs
+#ifdef __cplusplus
+extern "C" {
+#endif
+#define _FX_LSB_FIRST_
+#define FXDWORD_FROM_LSBFIRST(i)	(i)
+#define FXDWORD_FROM_MSBFIRST(i)	(((FX_BYTE)(i) << 24) | ((FX_BYTE)((i) >> 8) << 16) | ((FX_BYTE)((i) >> 16) << 8) | (FX_BYTE)((i) >> 24))
+#define FXDWORD_GET_LSBFIRST(p)		((((FX_LPBYTE)(p))[3] << 24) | (((FX_LPBYTE)(p))[2] << 16) | (((FX_LPBYTE)(p))[1] << 8) | (((FX_LPBYTE)(p))[0]))
+#define FXDWORD_GET_MSBFIRST(p) ((((FX_LPBYTE)(p))[0] << 24) | (((FX_LPBYTE)(p))[1] << 16) | (((FX_LPBYTE)(p))[2] << 8) | (((FX_LPBYTE)(p))[3]))
+#define FXSYS_HIBYTE(word)	((FX_BYTE)((word) >> 8))
+#define FXSYS_LOBYTE(word)	((FX_BYTE)(word))
+#define FXSYS_HIWORD(dword)	((FX_WORD)((dword) >> 16))
+#define FXSYS_LOWORD(dword)	((FX_WORD)(dword))
+FX_INT32	FXSYS_atoi(FX_LPCSTR str);
+FX_INT32	FXSYS_wtoi(FX_LPCWSTR str);
+FX_INT64	FXSYS_atoi64(FX_LPCSTR str);
+FX_INT64	FXSYS_wtoi64(FX_LPCWSTR str);
+FX_LPCSTR	FXSYS_i64toa(FX_INT64 value, FX_LPSTR str, int radix);
+FX_LPCWSTR	FXSYS_i64tow(FX_INT64 value, FX_LPWSTR str, int radix);
+int			FXSYS_round(FX_FLOAT f);
+#define		FXSYS_Mul(a, b) ((a) * (b))
+#define		FXSYS_Div(a, b) ((a) / (b))
+#define		FXSYS_MulDiv(a, b, c) ((a) * (b) / (c))
+#define		FXSYS_sqrt2(a, b) (FX_FLOAT)FXSYS_sqrt((a)*(a) + (b)*(b))
+#ifdef __cplusplus
+};
+#endif
+#endif
diff --git a/core/include/fxcrt/fx_ucd.h b/core/include/fxcrt/fx_ucd.h
new file mode 100644
index 0000000000..447d555a4b
--- /dev/null
+++ b/core/include/fxcrt/fx_ucd.h
@@ -0,0 +1,112 @@
+// Copyright 2014 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 _FX_UNICODE_
+#define _FX_UNICODE_
+enum FX_CHARBREAKPROP {
+    FX_CBP_OP = 0,
+    FX_CBP_CL = 1,
+    FX_CBP_QU = 2,
+    FX_CBP_GL = 3,
+    FX_CBP_NS = 4,
+    FX_CBP_EX = 5,
+    FX_CBP_SY = 6,
+    FX_CBP_IS = 7,
+    FX_CBP_PR = 8,
+    FX_CBP_PO = 9,
+    FX_CBP_NU = 10,
+    FX_CBP_AL = 11,
+    FX_CBP_ID = 12,
+    FX_CBP_IN = 13,
+    FX_CBP_HY = 14,
+    FX_CBP_BA = 15,
+    FX_CBP_BB = 16,
+    FX_CBP_B2 = 17,
+    FX_CBP_ZW = 18,
+    FX_CBP_CM = 19,
+    FX_CBP_WJ = 20,
+    FX_CBP_H2 = 21,
+    FX_CBP_H3 = 22,
+    FX_CBP_JL = 23,
+    FX_CBP_JV = 24,
+    FX_CBP_JT = 25,
+
+    FX_CBP_BK = 26,
+    FX_CBP_CR = 27,
+    FX_CBP_LF = 28,
+    FX_CBP_NL = 29,
+    FX_CBP_SA = 30,
+    FX_CBP_SG = 31,
+    FX_CBP_CB = 32,
+    FX_CBP_XX = 33,
+    FX_CBP_AI = 34,
+    FX_CBP_SP = 35,
+    FX_CBP_TB = 37,
+    FX_CBP_NONE = 36,
+};
+#define FX_BIDICLASSBITS		6
+#define FX_BIDICLASSBITSMASK	(31 << FX_BIDICLASSBITS)
+enum FX_BIDICLASS {
+    FX_BIDICLASS_ON		= 0,
+    FX_BIDICLASS_L		= 1,
+    FX_BIDICLASS_R		= 2,
+    FX_BIDICLASS_AN		= 3,
+    FX_BIDICLASS_EN		= 4,
+    FX_BIDICLASS_AL		= 5,
+    FX_BIDICLASS_NSM	= 6,
+    FX_BIDICLASS_CS		= 7,
+    FX_BIDICLASS_ES		= 8,
+    FX_BIDICLASS_ET		= 9,
+    FX_BIDICLASS_BN		= 10,
+    FX_BIDICLASS_S		= 11,
+    FX_BIDICLASS_WS		= 12,
+    FX_BIDICLASS_B		= 13,
+    FX_BIDICLASS_RLO	= 14,
+    FX_BIDICLASS_RLE	= 15,
+    FX_BIDICLASS_LRO	= 16,
+    FX_BIDICLASS_LRE	= 17,
+    FX_BIDICLASS_PDF	= 18,
+    FX_BIDICLASS_N		= FX_BIDICLASS_ON,
+};
+#define FX_CHARTYPEBITS		11
+#define FX_CHARTYPEBITSMASK	(15 << FX_CHARTYPEBITS)
+enum FX_CHARTYPE {
+    FX_CHARTYPE_Unknown				= 0,
+    FX_CHARTYPE_Tab					= (1 << FX_CHARTYPEBITS),
+    FX_CHARTYPE_Space				= (2 << FX_CHARTYPEBITS),
+    FX_CHARTYPE_Control				= (3 << FX_CHARTYPEBITS),
+    FX_CHARTYPE_Combination			= (4 << FX_CHARTYPEBITS),
+    FX_CHARTYPE_Numeric				= (5 << FX_CHARTYPEBITS),
+    FX_CHARTYPE_Normal				= (6 << FX_CHARTYPEBITS),
+    FX_CHARTYPE_ArabicAlef			= (7 << FX_CHARTYPEBITS),
+    FX_CHARTYPE_ArabicSpecial		= (8 << FX_CHARTYPEBITS),
+    FX_CHARTYPE_ArabicDistortion	= (9 << FX_CHARTYPEBITS),
+    FX_CHARTYPE_ArabicNormal		= (10 << FX_CHARTYPEBITS),
+    FX_CHARTYPE_ArabicForm			= (11 << FX_CHARTYPEBITS),
+    FX_CHARTYPE_Arabic				= (12 << FX_CHARTYPEBITS),
+};
+typedef struct _FX_CHARPROPERTIES {
+    union {
+        struct {
+            FX_DWORD	dwBreakType		: 6;
+            FX_DWORD	dwBidiClass		: 5;
+            FX_DWORD	dwCharType		: 4;
+            FX_DWORD	dwRotation		: 1;
+            FX_DWORD	dwCJKSpecial	: 1;
+            FX_DWORD	dwVertIndex		: 6;
+            FX_DWORD	dwBidiIndex		: 9;
+        };
+        FX_DWORD	dwCharProps;
+    };
+} FX_CHARPROPERTIES;
+FX_DWORD FX_GetUnicodeProperties(FX_WCHAR wch);
+FX_BOOL	FX_IsCtrlCode(FX_WCHAR ch);
+FX_BOOL	FX_IsRotationCode(FX_WCHAR ch);
+FX_BOOL FX_IsCombinationChar(FX_WCHAR wch);
+FX_BOOL	FX_IsBidiChar(FX_WCHAR wch);
+FX_WCHAR FX_GetMirrorChar(FX_WCHAR wch, FX_BOOL bRTL, FX_BOOL bVertical);
+FX_WCHAR FX_GetMirrorChar(FX_WCHAR wch, FX_DWORD dwProps, FX_BOOL bRTL, FX_BOOL bVertical);
+#endif
diff --git a/core/include/fxcrt/fx_xml.h b/core/include/fxcrt/fx_xml.h
new file mode 100644
index 0000000000..1217677740
--- /dev/null
+++ b/core/include/fxcrt/fx_xml.h
@@ -0,0 +1,209 @@
+// Copyright 2014 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 _FX_XML_H_
+#define _FX_XML_H_
+#ifndef _FX_BASIC_H_
+#include "fx_basic.h"
+#endif
+class CXML_AttrItem : public CFX_Object
+{
+public:
+    CFX_ByteStringL	m_QSpaceName;
+    CFX_ByteStringL	m_AttrName;
+    CFX_WideStringL	m_Value;
+
+    void	Empty(IFX_Allocator* pAllocator = NULL)
+    {
+        m_QSpaceName.Empty(pAllocator);
+        m_AttrName.Empty(pAllocator);
+        m_Value.Empty(pAllocator);
+    }
+};
+class CXML_AttrMap : public CFX_Object
+{
+public:
+    CXML_AttrMap()
+    {
+        m_pMap = NULL;
+    }
+    ~CXML_AttrMap()
+    {
+        RemoveAll(NULL);
+    }
+    const CFX_WideStringL*	Lookup(FX_BSTR space, FX_BSTR name) const;
+    void					SetAt(FX_BSTR space, FX_BSTR name, FX_WSTR value, IFX_Allocator* pAllocator = NULL);
+    void					RemoveAt(FX_BSTR space, FX_BSTR name, IFX_Allocator* pAllocator = NULL);
+    void					RemoveAll(IFX_Allocator* pAllocator = NULL);
+    int						GetSize() const;
+    CXML_AttrItem&			GetAt(int index) const;
+    CFX_ObjectArray<CXML_AttrItem>*	m_pMap;
+};
+class CXML_Content : public CFX_Object
+{
+public:
+    CXML_Content() : m_bCDATA(FALSE), m_Content() {}
+    ~CXML_Content()
+    {
+        Empty(NULL);
+    }
+    void	Empty(IFX_Allocator* pAllocator = NULL)
+    {
+        m_Content.Empty(pAllocator);
+    }
+    void	Set(FX_BOOL bCDATA, FX_WSTR content, IFX_Allocator* pAllocator = NULL)
+    {
+        m_bCDATA = bCDATA;
+        m_Content.Set(content, pAllocator);
+    }
+    FX_BOOL			m_bCDATA;
+    CFX_WideStringL	m_Content;
+};
+class CXML_Element : public CFX_Object
+{
+public:
+
+    static CXML_Element*	Parse(const void* pBuffer, size_t size, FX_BOOL bSaveSpaceChars = FALSE, FX_FILESIZE* pParsedSize = NULL, IFX_Allocator* pAllocator = NULL);
+
+    static CXML_Element*	Parse(IFX_FileRead *pFile, FX_BOOL bSaveSpaceChars = FALSE, FX_FILESIZE* pParsedSize = NULL, IFX_Allocator* pAllocator = NULL);
+
+    static CXML_Element*	Parse(IFX_BufferRead *pBuffer, FX_BOOL bSaveSpaceChars = FALSE, FX_FILESIZE* pParsedSize = NULL, IFX_Allocator* pAllocator = NULL);
+
+    CXML_Element(FX_BSTR qSpace, FX_BSTR tagName, IFX_Allocator* pAllocator = NULL);
+
+    CXML_Element(FX_BSTR qTagName, IFX_Allocator* pAllocator = NULL);
+
+    CXML_Element(IFX_Allocator* pAllocator = NULL);
+
+    ~CXML_Element();
+
+    void	Empty();
+
+
+
+    CFX_ByteString			GetTagName(FX_BOOL bQualified = FALSE) const;
+    void					GetTagName(CFX_ByteStringL &tagName, FX_BOOL bQualified = FALSE) const;
+
+    CFX_ByteString			GetNamespace(FX_BOOL bQualified = FALSE) const;
+    void					GetNamespace(CFX_ByteStringL &nameSpace, FX_BOOL bQualified = FALSE) const;
+
+    CFX_ByteString			GetNamespaceURI(FX_BSTR qName) const;
+    void					GetNamespaceURI(FX_BSTR qName, CFX_ByteStringL &uri) const;
+
+    CXML_Element*			GetParent() const
+    {
+        return m_pParent;
+    }
+
+    FX_DWORD				CountAttrs() const
+    {
+        return m_AttrMap.GetSize();
+    }
+
+    void					GetAttrByIndex(int index, CFX_ByteString &space, CFX_ByteString &name, CFX_WideString &value) const;
+    void					GetAttrByIndex(int index, CFX_ByteStringL &space, CFX_ByteStringL &name, CFX_WideStringL &value) const;
+
+    FX_BOOL					HasAttr(FX_BSTR qName) const;
+
+    FX_BOOL					GetAttrValue(FX_BSTR name, CFX_WideString& attribute) const;
+    CFX_WideString			GetAttrValue(FX_BSTR name) const
+    {
+        CFX_WideString attr;
+        GetAttrValue(name, attr);
+        return attr;
+    }
+    const CFX_WideStringL*	GetAttrValuePtr(FX_BSTR name) const;
+
+    FX_BOOL					GetAttrValue(FX_BSTR space, FX_BSTR name, CFX_WideString& attribute) const;
+    CFX_WideString			GetAttrValue(FX_BSTR space, FX_BSTR name) const
+    {
+        CFX_WideString attr;
+        GetAttrValue(space, name, attr);
+        return attr;
+    }
+    const CFX_WideStringL*	GetAttrValuePtr(FX_BSTR space, FX_BSTR name) const;
+
+    FX_BOOL					GetAttrInteger(FX_BSTR name, int& attribute) const;
+    int						GetAttrInteger(FX_BSTR name) const
+    {
+        int attr = 0;
+        GetAttrInteger(name, attr);
+        return attr;
+    }
+
+    FX_BOOL					GetAttrInteger(FX_BSTR space, FX_BSTR name, int& attribute) const;
+    int						GetAttrInteger(FX_BSTR space, FX_BSTR name) const
+    {
+        int attr = 0;
+        GetAttrInteger(space, name, attr);
+        return attr;
+    }
+
+    FX_BOOL					GetAttrFloat(FX_BSTR name, FX_FLOAT& attribute) const;
+    FX_FLOAT				GetAttrFloat(FX_BSTR name) const
+    {
+        FX_FLOAT attr = 0;
+        GetAttrFloat(name, attr);
+        return attr;
+    }
+
+    FX_BOOL					GetAttrFloat(FX_BSTR space, FX_BSTR name, FX_FLOAT& attribute) const;
+    FX_FLOAT				GetAttrFloat(FX_BSTR space, FX_BSTR name) const
+    {
+        FX_FLOAT attr = 0;
+        GetAttrFloat(space, name, attr);
+        return attr;
+    }
+
+    FX_DWORD				CountChildren() const;
+
+    enum ChildType { Invalid, Element, Content};
+
+    ChildType				GetChildType(FX_DWORD index) const;
+
+    CFX_WideString			GetContent(FX_DWORD index) const;
+    const CFX_WideStringL*	GetContentPtr(FX_DWORD index) const;
+
+    CXML_Element*			GetElement(FX_DWORD index) const;
+
+    CXML_Element*			GetElement(FX_BSTR space, FX_BSTR tag) const
+    {
+        return GetElement(space, tag, 0);
+    }
+
+    FX_DWORD				CountElements(FX_BSTR space, FX_BSTR tag) const;
+
+    CXML_Element*			GetElement(FX_BSTR space, FX_BSTR tag, int index) const;
+
+    FX_DWORD				FindElement(CXML_Element *pChild) const;
+
+
+
+
+    void					SetTag(FX_BSTR qSpace, FX_BSTR tagname);
+
+    void					SetTag(FX_BSTR qTagName);
+
+    void					RemoveChildren();
+
+    void					RemoveChild(FX_DWORD index);
+
+
+protected:
+
+    CXML_Element*			m_pParent;
+
+    CFX_ByteStringL			m_QSpaceName;
+
+    CFX_ByteStringL			m_TagName;
+
+    CXML_AttrMap			m_AttrMap;
+
+    CFX_PtrArray			m_Children;
+    friend class CXML_Parser;
+    friend class CXML_Composer;
+};
+#endif
-- 
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