Move core/src/ up to core/.

core/src/fxcrt/extension.h

Index: core/src/fxcrt/extension.h
diff --git a/core/src/fxcrt/extension.h b/core/src/fxcrt/extension.h
deleted file mode 100644
index 5ce29ddd50ae8f2dfd9b2b177d766e3c2b5cadc2..0000000000000000000000000000000000000000
--- a/core/src/fxcrt/extension.h
+++ /dev/null
@@ -1,334 +0,0 @@
-// 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 CORE_SRC_FXCRT_EXTENSION_H_
-#define CORE_SRC_FXCRT_EXTENSION_H_
-
-#include <algorithm>
-
-#include "core/include/fxcrt/fx_basic.h"
-#include "core/include/fxcrt/fx_safe_types.h"
-
-class IFXCRT_FileAccess {
- public:
-  virtual ~IFXCRT_FileAccess() {}
-  virtual FX_BOOL Open(const CFX_ByteStringC& fileName, FX_DWORD dwMode) = 0;
-  virtual FX_BOOL Open(const CFX_WideStringC& fileName, FX_DWORD dwMode) = 0;
-  virtual void Close() = 0;
-  virtual void Release() = 0;
-  virtual FX_FILESIZE GetSize() const = 0;
-  virtual FX_FILESIZE GetPosition() const = 0;
-  virtual FX_FILESIZE SetPosition(FX_FILESIZE pos) = 0;
-  virtual size_t Read(void* pBuffer, size_t szBuffer) = 0;
-  virtual size_t Write(const void* pBuffer, size_t szBuffer) = 0;
-  virtual size_t ReadPos(void* pBuffer, size_t szBuffer, FX_FILESIZE pos) = 0;
-  virtual size_t WritePos(const void* pBuffer,
-                          size_t szBuffer,
-                          FX_FILESIZE pos) = 0;
-  virtual FX_BOOL Flush() = 0;
-  virtual FX_BOOL Truncate(FX_FILESIZE szFile) = 0;
-};
-IFXCRT_FileAccess* FXCRT_FileAccess_Create();
-
-#ifdef PDF_ENABLE_XFA
-class CFX_CRTFileAccess : public IFX_FileAccess {
- public:
-  CFX_CRTFileAccess() : m_RefCount(0) {}
-
-  // IFX_FileAccess
-  void Release() override {
-    if (--m_RefCount == 0)
-      delete this;
-  }
-
-  IFX_FileAccess* Retain() override {
-    m_RefCount++;
-    return (IFX_FileAccess*)this;
-  }
-
-  void GetPath(CFX_WideString& wsPath) override { wsPath = m_path; }
-
-  IFX_FileStream* CreateFileStream(FX_DWORD dwModes) override {
-    return FX_CreateFileStream(m_path, dwModes);
-  }
-
-  FX_BOOL Init(const CFX_WideStringC& wsPath) {
-    m_path = wsPath;
-    m_RefCount = 1;
-    return TRUE;
-  }
-
- protected:
-  CFX_WideString m_path;
-  FX_DWORD m_RefCount;
-};
-#endif  // PDF_ENABLE_XFA
-
-class CFX_CRTFileStream final : public IFX_FileStream {
- public:
-  explicit CFX_CRTFileStream(IFXCRT_FileAccess* pFA);
-  ~CFX_CRTFileStream() override;
-
-  // IFX_FileStream:
-  IFX_FileStream* Retain() override;
-  void Release() override;
-  FX_FILESIZE GetSize() override;
-  FX_BOOL IsEOF() override;
-  FX_FILESIZE GetPosition() override;
-  FX_BOOL ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) override;
-  size_t ReadBlock(void* buffer, size_t size) override;
-  FX_BOOL WriteBlock(const void* buffer,
-                     FX_FILESIZE offset,
-                     size_t size) override;
-  FX_BOOL Flush() override;
-
- protected:
-  IFXCRT_FileAccess* m_pFile;
-  FX_DWORD m_dwCount;
-};
-
-#define FX_MEMSTREAM_BlockSize (64 * 1024)
-#define FX_MEMSTREAM_Consecutive 0x01
-#define FX_MEMSTREAM_TakeOver 0x02
-class CFX_MemoryStream final : public IFX_MemoryStream {
- public:
-  explicit CFX_MemoryStream(FX_BOOL bConsecutive)
-      : m_dwCount(1),
-        m_nTotalSize(0),
-        m_nCurSize(0),
-        m_nCurPos(0),
-        m_nGrowSize(FX_MEMSTREAM_BlockSize) {
-    m_dwFlags =
-        FX_MEMSTREAM_TakeOver | (bConsecutive ? FX_MEMSTREAM_Consecutive : 0);
-  }
-  CFX_MemoryStream(uint8_t* pBuffer, size_t nSize, FX_BOOL bTakeOver)
-      : m_dwCount(1),
-        m_nTotalSize(nSize),
-        m_nCurSize(nSize),
-        m_nCurPos(0),
-        m_nGrowSize(FX_MEMSTREAM_BlockSize) {
-    m_Blocks.Add(pBuffer);
-    m_dwFlags =
-        FX_MEMSTREAM_Consecutive | (bTakeOver ? FX_MEMSTREAM_TakeOver : 0);
-  }
-  ~CFX_MemoryStream() override {
-    if (m_dwFlags & FX_MEMSTREAM_TakeOver) {
-      for (int32_t i = 0; i < m_Blocks.GetSize(); i++) {
-        FX_Free(m_Blocks[i]);
-      }
-    }
-    m_Blocks.RemoveAll();
-  }
-
-  // IFX_MemoryStream:
-  IFX_FileStream* Retain() override {
-    m_dwCount++;
-    return this;
-  }
-  void Release() override {
-    FX_DWORD nCount = --m_dwCount;
-    if (nCount) {
-      return;
-    }
-    delete this;
-  }
-  FX_FILESIZE GetSize() override { return (FX_FILESIZE)m_nCurSize; }
-  FX_BOOL IsEOF() override { return m_nCurPos >= (size_t)GetSize(); }
-  FX_FILESIZE GetPosition() override { return (FX_FILESIZE)m_nCurPos; }
-  FX_BOOL ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) override {
-    if (!buffer || !size) {
-      return FALSE;
-    }
-
-    FX_SAFE_SIZE_T newPos = size;
-    newPos += offset;
-    if (!newPos.IsValid() || newPos.ValueOrDefault(0) == 0 ||
-        newPos.ValueOrDie() > m_nCurSize) {
-      return FALSE;
-    }
-
-    m_nCurPos = newPos.ValueOrDie();
-    if (m_dwFlags & FX_MEMSTREAM_Consecutive) {
-      FXSYS_memcpy(buffer, m_Blocks[0] + (size_t)offset, size);
-      return TRUE;
-    }
-    size_t nStartBlock = (size_t)offset / m_nGrowSize;
-    offset -= (FX_FILESIZE)(nStartBlock * m_nGrowSize);
-    while (size) {
-      size_t nRead = m_nGrowSize - (size_t)offset;
-      if (nRead > size) {
-        nRead = size;
-      }
-      FXSYS_memcpy(buffer, m_Blocks[(int)nStartBlock] + (size_t)offset, nRead);
-      buffer = ((uint8_t*)buffer) + nRead;
-      size -= nRead;
-      nStartBlock++;
-      offset = 0;
-    }
-    return TRUE;
-  }
-  size_t ReadBlock(void* buffer, size_t size) override {
-    if (m_nCurPos >= m_nCurSize) {
-      return 0;
-    }
-    size_t nRead = std::min(size, m_nCurSize - m_nCurPos);
-    if (!ReadBlock(buffer, (int32_t)m_nCurPos, nRead)) {
-      return 0;
-    }
-    return nRead;
-  }
-  FX_BOOL WriteBlock(const void* buffer,
-                     FX_FILESIZE offset,
-                     size_t size) override {
-    if (!buffer || !size) {
-      return FALSE;
-    }
-    if (m_dwFlags & FX_MEMSTREAM_Consecutive) {
-      FX_SAFE_SIZE_T newPos = size;
-      newPos += offset;
-      if (!newPos.IsValid())
-        return FALSE;
-
-      m_nCurPos = newPos.ValueOrDie();
-      if (m_nCurPos > m_nTotalSize) {
-        m_nTotalSize =
-            (m_nCurPos + m_nGrowSize - 1) / m_nGrowSize * m_nGrowSize;
-        if (m_Blocks.GetSize() < 1) {
-          uint8_t* block = FX_Alloc(uint8_t, m_nTotalSize);
-          m_Blocks.Add(block);
-        } else {
-          m_Blocks[0] = FX_Realloc(uint8_t, m_Blocks[0], m_nTotalSize);
-        }
-        if (!m_Blocks[0]) {
-          m_Blocks.RemoveAll();
-          return FALSE;
-        }
-      }
-      FXSYS_memcpy(m_Blocks[0] + (size_t)offset, buffer, size);
-      if (m_nCurSize < m_nCurPos) {
-        m_nCurSize = m_nCurPos;
-      }
-      return TRUE;
-    }
-
-    FX_SAFE_SIZE_T newPos = size;
-    newPos += offset;
-    if (!newPos.IsValid()) {
-      return FALSE;
-    }
-
-    if (!ExpandBlocks(newPos.ValueOrDie())) {
-      return FALSE;
-    }
-    m_nCurPos = newPos.ValueOrDie();
-    size_t nStartBlock = (size_t)offset / m_nGrowSize;
-    offset -= (FX_FILESIZE)(nStartBlock * m_nGrowSize);
-    while (size) {
-      size_t nWrite = m_nGrowSize - (size_t)offset;
-      if (nWrite > size) {
-        nWrite = size;
-      }
-      FXSYS_memcpy(m_Blocks[(int)nStartBlock] + (size_t)offset, buffer, nWrite);
-      buffer = ((uint8_t*)buffer) + nWrite;
-      size -= nWrite;
-      nStartBlock++;
-      offset = 0;
-    }
-    return TRUE;
-  }
-  FX_BOOL Flush() override { return TRUE; }
-  FX_BOOL IsConsecutive() const override {
-    return m_dwFlags & FX_MEMSTREAM_Consecutive;
-  }
-  void EstimateSize(size_t nInitSize, size_t nGrowSize) override {
-    if (m_dwFlags & FX_MEMSTREAM_Consecutive) {
-      if (m_Blocks.GetSize() < 1) {
-        uint8_t* pBlock =
-            FX_Alloc(uint8_t, std::max(nInitSize, static_cast<size_t>(4096)));
-        m_Blocks.Add(pBlock);
-      }
-      m_nGrowSize = std::max(nGrowSize, static_cast<size_t>(4096));
-    } else if (m_Blocks.GetSize() < 1) {
-      m_nGrowSize = std::max(nGrowSize, static_cast<size_t>(4096));
-    }
-  }
-  uint8_t* GetBuffer() const override {
-    return m_Blocks.GetSize() ? m_Blocks[0] : nullptr;
-  }
-  void AttachBuffer(uint8_t* pBuffer,
-                    size_t nSize,
-                    FX_BOOL bTakeOver = FALSE) override {
-    if (!(m_dwFlags & FX_MEMSTREAM_Consecutive)) {
-      return;
-    }
-    m_Blocks.RemoveAll();
-    m_Blocks.Add(pBuffer);
-    m_nTotalSize = m_nCurSize = nSize;
-    m_nCurPos = 0;
-    m_dwFlags =
-        FX_MEMSTREAM_Consecutive | (bTakeOver ? FX_MEMSTREAM_TakeOver : 0);
-  }
-  void DetachBuffer() override {
-    if (!(m_dwFlags & FX_MEMSTREAM_Consecutive)) {
-      return;
-    }
-    m_Blocks.RemoveAll();
-    m_nTotalSize = m_nCurSize = m_nCurPos = 0;
-    m_dwFlags = FX_MEMSTREAM_TakeOver;
-  }
-
- protected:
-  CFX_ArrayTemplate<uint8_t*> m_Blocks;
-  FX_DWORD m_dwCount;
-  size_t m_nTotalSize;
-  size_t m_nCurSize;
-  size_t m_nCurPos;
-  size_t m_nGrowSize;
-  FX_DWORD m_dwFlags;
-  FX_BOOL ExpandBlocks(size_t size) {
-    if (m_nCurSize < size) {
-      m_nCurSize = size;
-    }
-    if (size <= m_nTotalSize) {
-      return TRUE;
-    }
-    int32_t iCount = m_Blocks.GetSize();
-    size = (size - m_nTotalSize + m_nGrowSize - 1) / m_nGrowSize;
-    m_Blocks.SetSize(m_Blocks.GetSize() + (int32_t)size);
-    while (size--) {
-      uint8_t* pBlock = FX_Alloc(uint8_t, m_nGrowSize);
-      m_Blocks.SetAt(iCount++, pBlock);
-      m_nTotalSize += m_nGrowSize;
-    }
-    return TRUE;
-  }
-};
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-#define MT_N 848
-#define MT_M 456
-#define MT_Matrix_A 0x9908b0df
-#define MT_Upper_Mask 0x80000000
-#define MT_Lower_Mask 0x7fffffff
-struct FX_MTRANDOMCONTEXT {
-  FX_MTRANDOMCONTEXT() {
-    mti = MT_N + 1;
-    bHaveSeed = FALSE;
-  }
-  FX_DWORD mti;
-  FX_BOOL bHaveSeed;
-  FX_DWORD mt[MT_N];
-};
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
-FX_BOOL FX_GenerateCryptoRandom(FX_DWORD* pBuffer, int32_t iCount);
-#endif
-#ifdef __cplusplus
-}
-#endif
-
-#endif  // CORE_SRC_FXCRT_EXTENSION_H_