Move webrtc/{base => rtc_base}

webrtc/base/win32filesystem.cc

-/*
- *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#include "webrtc/base/win32filesystem.h"
-
-#include "webrtc/base/win32.h"
-#include <shellapi.h>
-#include <shlobj.h>
-#include <tchar.h>
-
-#include <memory>
-
-#include "webrtc/base/arraysize.h"
-#include "webrtc/base/checks.h"
-#include "webrtc/base/fileutils.h"
-#include "webrtc/base/pathutils.h"
-#include "webrtc/base/stream.h"
-#include "webrtc/base/stringutils.h"
-
-// In several places in this file, we test the integrity level of the process
-// before calling GetLongPathName. We do this because calling GetLongPathName
-// when running under protected mode IE (a low integrity process) can result in
-// a virtualized path being returned, which is wrong if you only plan to read.
-// TODO: Waiting to hear back from IE team on whether this is the
-// best approach; IEIsProtectedModeProcess is another possible solution.
-
-namespace rtc {
-
-bool Win32Filesystem::CreateFolder(const Pathname &pathname) {
-  if (pathname.pathname().empty() || !pathname.filename().empty())
-    return false;
-
-  std::wstring path16;
-  if (!Utf8ToWindowsFilename(pathname.pathname(), &path16))
-    return false;
-
-  DWORD res = ::GetFileAttributes(path16.c_str());
-  if (res != INVALID_FILE_ATTRIBUTES) {
-    // Something exists at this location, check if it is a directory
-    return ((res & FILE_ATTRIBUTE_DIRECTORY) != 0);
-  } else if ((GetLastError() != ERROR_FILE_NOT_FOUND)
-              && (GetLastError() != ERROR_PATH_NOT_FOUND)) {
-    // Unexpected error
-    return false;
-  }
-
-  // Directory doesn't exist, look up one directory level
-  if (!pathname.parent_folder().empty()) {
-    Pathname parent(pathname);
-    parent.SetFolder(pathname.parent_folder());
-    if (!CreateFolder(parent)) {
-      return false;
-    }
-  }
-
-  return (::CreateDirectory(path16.c_str(), nullptr) != 0);
-}
-
-bool Win32Filesystem::DeleteFile(const Pathname &filename) {
-  LOG(LS_INFO) << "Deleting file " << filename.pathname();
-  if (!IsFile(filename)) {
-    RTC_DCHECK(IsFile(filename));
-    return false;
-  }
-  return ::DeleteFile(ToUtf16(filename.pathname()).c_str()) != 0;
-}
-
-bool Win32Filesystem::GetTemporaryFolder(Pathname &pathname, bool create,
-                                         const std::string *append) {
-  wchar_t buffer[MAX_PATH + 1];
-  if (!::GetTempPath(arraysize(buffer), buffer))
-    return false;
-  if (!IsCurrentProcessLowIntegrity() &&
-      !::GetLongPathName(buffer, buffer, arraysize(buffer)))
-    return false;
-  size_t len = strlen(buffer);
-  if ((len > 0) && (buffer[len-1] != '\\')) {
-    len += strcpyn(buffer + len, arraysize(buffer) - len, L"\\");
-  }
-  if (len >= arraysize(buffer) - 1)
-    return false;
-  pathname.clear();
-  pathname.SetFolder(ToUtf8(buffer));
-  if (append != nullptr) {
-    RTC_DCHECK(!append->empty());
-    pathname.AppendFolder(*append);
-  }
-  return !create || CreateFolder(pathname);
-}
-
-std::string Win32Filesystem::TempFilename(const Pathname &dir,
-                                          const std::string &prefix) {
-  wchar_t filename[MAX_PATH];
-  if (::GetTempFileName(ToUtf16(dir.pathname()).c_str(),
-                        ToUtf16(prefix).c_str(), 0, filename) != 0)
-    return ToUtf8(filename);
-  RTC_NOTREACHED();
-  return "";
-}
-
-bool Win32Filesystem::MoveFile(const Pathname &old_path,
-                               const Pathname &new_path) {
-  if (!IsFile(old_path)) {
-    RTC_DCHECK(IsFile(old_path));
-    return false;
-  }
-  LOG(LS_INFO) << "Moving " << old_path.pathname()
-               << " to " << new_path.pathname();
-  return ::MoveFile(ToUtf16(old_path.pathname()).c_str(),
-                    ToUtf16(new_path.pathname()).c_str()) != 0;
-}
-
-bool Win32Filesystem::IsFolder(const Pathname &path) {
-  WIN32_FILE_ATTRIBUTE_DATA data = {0};
-  if (0 == ::GetFileAttributesEx(ToUtf16(path.pathname()).c_str(),
-                                 GetFileExInfoStandard, &data))
-    return false;
-  return (data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ==
-      FILE_ATTRIBUTE_DIRECTORY;
-}
-
-bool Win32Filesystem::IsFile(const Pathname &path) {
-  WIN32_FILE_ATTRIBUTE_DATA data = {0};
-  if (0 == ::GetFileAttributesEx(ToUtf16(path.pathname()).c_str(),
-                                 GetFileExInfoStandard, &data))
-    return false;
-  return (data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == 0;
-}
-
-bool Win32Filesystem::IsAbsent(const Pathname& path) {
-  WIN32_FILE_ATTRIBUTE_DATA data = {0};
-  if (0 != ::GetFileAttributesEx(ToUtf16(path.pathname()).c_str(),
-                                 GetFileExInfoStandard, &data))
-    return false;
-  DWORD err = ::GetLastError();
-  return (ERROR_FILE_NOT_FOUND == err || ERROR_PATH_NOT_FOUND == err);
-}
-
-bool Win32Filesystem::GetFileSize(const Pathname &pathname, size_t *size) {
-  WIN32_FILE_ATTRIBUTE_DATA data = {0};
-  if (::GetFileAttributesEx(ToUtf16(pathname.pathname()).c_str(),
-                            GetFileExInfoStandard, &data) == 0)
-  return false;
-  *size = data.nFileSizeLow;
-  return true;
-}
-
-}  // namespace rtc