1 files changed, 172 insertions, 0 deletions
diff --git a/core/fxcrt/fxcrt_windows.cpp b/core/fxcrt/fxcrt_windows.cpp
new file mode 100644
index 0000000000..528a3b78ac
--- /dev/null
+++ b/core/fxcrt/fxcrt_windows.cpp
@@ -0,0 +1,172 @@
+// 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
+
+#include "core/fxcrt/fxcrt_windows.h"
+
+#include "core/include/fxcrt/fx_string.h"
+
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+IFXCRT_FileAccess* FXCRT_FileAccess_Create() {
+  return new CFXCRT_FileAccess_Win64;
+}
+void FXCRT_Windows_GetFileMode(FX_DWORD dwMode,
+                               FX_DWORD& dwAccess,
+                               FX_DWORD& dwShare,
+                               FX_DWORD& dwCreation) {
+  dwAccess = GENERIC_READ;
+  dwShare = FILE_SHARE_READ | FILE_SHARE_WRITE;
+  if (!(dwMode & FX_FILEMODE_ReadOnly)) {
+    dwAccess |= GENERIC_WRITE;
+    dwCreation = (dwMode & FX_FILEMODE_Truncate) ? CREATE_ALWAYS : OPEN_ALWAYS;
+  } else {
+    dwCreation = OPEN_EXISTING;
+  }
+}
+#ifdef __cplusplus
+extern "C" {
+#endif
+WINBASEAPI BOOL WINAPI GetFileSizeEx(HANDLE hFile, PLARGE_INTEGER lpFileSize);
+WINBASEAPI BOOL WINAPI SetFilePointerEx(HANDLE hFile,
+                                        LARGE_INTEGER liDistanceToMove,
+                                        PLARGE_INTEGER lpNewFilePointer,
+                                        DWORD dwMoveMethod);
+#ifdef __cplusplus
+}
+#endif
+CFXCRT_FileAccess_Win64::CFXCRT_FileAccess_Win64() : m_hFile(NULL) {}
+CFXCRT_FileAccess_Win64::~CFXCRT_FileAccess_Win64() {
+  Close();
+}
+FX_BOOL CFXCRT_FileAccess_Win64::Open(const CFX_ByteStringC& fileName,
+                                      FX_DWORD dwMode) {
+  if (m_hFile) {
+    return FALSE;
+  }
+  FX_DWORD dwAccess, dwShare, dwCreation;
+  FXCRT_Windows_GetFileMode(dwMode, dwAccess, dwShare, dwCreation);
+  m_hFile = ::CreateFileA(fileName.GetCStr(), dwAccess, dwShare, NULL,
+                          dwCreation, FILE_ATTRIBUTE_NORMAL, NULL);
+  if (m_hFile == INVALID_HANDLE_VALUE) {
+    m_hFile = NULL;
+  }
+  return m_hFile != NULL;
+}
+FX_BOOL CFXCRT_FileAccess_Win64::Open(const CFX_WideStringC& fileName,
+                                      FX_DWORD dwMode) {
+  if (m_hFile) {
+    return FALSE;
+  }
+  FX_DWORD dwAccess, dwShare, dwCreation;
+  FXCRT_Windows_GetFileMode(dwMode, dwAccess, dwShare, dwCreation);
+  m_hFile = ::CreateFileW((LPCWSTR)fileName.GetPtr(), dwAccess, dwShare, NULL,
+                          dwCreation, FILE_ATTRIBUTE_NORMAL, NULL);
+  if (m_hFile == INVALID_HANDLE_VALUE) {
+    m_hFile = NULL;
+  }
+  return m_hFile != NULL;
+}
+void CFXCRT_FileAccess_Win64::Close() {
+  if (!m_hFile) {
+    return;
+  }
+  ::CloseHandle(m_hFile);
+  m_hFile = NULL;
+}
+void CFXCRT_FileAccess_Win64::Release() {
+  delete this;
+}
+FX_FILESIZE CFXCRT_FileAccess_Win64::GetSize() const {
+  if (!m_hFile) {
+    return 0;
+  }
+  LARGE_INTEGER size = {};
+  if (!::GetFileSizeEx(m_hFile, &size)) {
+    return 0;
+  }
+  return (FX_FILESIZE)size.QuadPart;
+}
+FX_FILESIZE CFXCRT_FileAccess_Win64::GetPosition() const {
+  if (!m_hFile) {
+    return (FX_FILESIZE)-1;
+  }
+  LARGE_INTEGER dist = {};
+  LARGE_INTEGER newPos = {};
+  if (!::SetFilePointerEx(m_hFile, dist, &newPos, FILE_CURRENT)) {
+    return (FX_FILESIZE)-1;
+  }
+  return (FX_FILESIZE)newPos.QuadPart;
+}
+FX_FILESIZE CFXCRT_FileAccess_Win64::SetPosition(FX_FILESIZE pos) {
+  if (!m_hFile) {
+    return (FX_FILESIZE)-1;
+  }
+  LARGE_INTEGER dist;
+  dist.QuadPart = pos;
+  LARGE_INTEGER newPos = {};
+  if (!::SetFilePointerEx(m_hFile, dist, &newPos, FILE_BEGIN)) {
+    return (FX_FILESIZE)-1;
+  }
+  return (FX_FILESIZE)newPos.QuadPart;
+}
+size_t CFXCRT_FileAccess_Win64::Read(void* pBuffer, size_t szBuffer) {
+  if (!m_hFile) {
+    return 0;
+  }
+  size_t szRead = 0;
+  if (!::ReadFile(m_hFile, pBuffer, (DWORD)szBuffer, (LPDWORD)&szRead, NULL)) {
+    return 0;
+  }
+  return szRead;
+}
+size_t CFXCRT_FileAccess_Win64::Write(const void* pBuffer, size_t szBuffer) {
+  if (!m_hFile) {
+    return 0;
+  }
+  size_t szWrite = 0;
+  if (!::WriteFile(m_hFile, pBuffer, (DWORD)szBuffer, (LPDWORD)&szWrite,
+                   NULL)) {
+    return 0;
+  }
+  return szWrite;
+}
+size_t CFXCRT_FileAccess_Win64::ReadPos(void* pBuffer,
+                                        size_t szBuffer,
+                                        FX_FILESIZE pos) {
+  if (!m_hFile) {
+    return 0;
+  }
+  if (pos >= GetSize()) {
+    return 0;
+  }
+  if (SetPosition(pos) == (FX_FILESIZE)-1) {
+    return 0;
+  }
+  return Read(pBuffer, szBuffer);
+}
+size_t CFXCRT_FileAccess_Win64::WritePos(const void* pBuffer,
+                                         size_t szBuffer,
+                                         FX_FILESIZE pos) {
+  if (!m_hFile) {
+    return 0;
+  }
+  if (SetPosition(pos) == (FX_FILESIZE)-1) {
+    return 0;
+  }
+  return Write(pBuffer, szBuffer);
+}
+FX_BOOL CFXCRT_FileAccess_Win64::Flush() {
+  if (!m_hFile) {
+    return FALSE;
+  }
+  return ::FlushFileBuffers(m_hFile);
+}
+FX_BOOL CFXCRT_FileAccess_Win64::Truncate(FX_FILESIZE szFile) {
+  if (SetPosition(szFile) == (FX_FILESIZE)-1) {
+    return FALSE;
+  }
+  return ::SetEndOfFile(m_hFile);
+}
+#endif