base/files/file.cc

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/files/file.h"
   6
   7 // TODO(rvargas): remove this (needed for kInvalidPlatformFileValue).
   8 #include "base/platform_file.h"
   9
  10 namespace base {
  11
  12 File::Info::Info()
  13     : size(0),
  14       is_directory(false),
  15       is_symbolic_link(false) {
  16 }
  17
  18 File::Info::~Info() {
  19 }
  20
  21 File::File()
  22     : file_(kInvalidPlatformFileValue),
  23       error_details_(FILE_OK),
  24       created_(false),
  25       async_(false) {
  26 }
  27
  28 #if !defined(OS_NACL)
  29 File::File(const FilePath& name, uint32 flags)
  30     : file_(kInvalidPlatformFileValue),
  31       error_details_(FILE_OK),
  32       created_(false),
  33       async_(false) {
  34   Initialize(name, flags);
  35 }
  36 #endif
  37
  38 File::File(PlatformFile platform_file)
  39     : file_(platform_file),
  40       error_details_(FILE_OK),
  41       created_(false),
  42       async_(false) {
  43 }
  44
  45 File::File(RValue other)
  46     : file_(other.object->TakePlatformFile()),
  47       error_details_(other.object->error_details()),
  48       created_(other.object->created()),
  49       async_(other.object->async_) {
  50 }
  51
  52 File::~File() {
  53   Close();
  54 }
  55
  56 File& File::operator=(RValue other) {
  57   if (this != other.object) {
  58     Close();
  59     SetPlatformFile(other.object->TakePlatformFile());
  60     error_details_ = other.object->error_details();
  61     created_ = other.object->created();
  62     async_ = other.object->async_;
  63   }
  64   return *this;
  65 }
  66
  67 #if !defined(OS_NACL)
  68 void File::Initialize(const FilePath& name, uint32 flags) {
  69   if (name.ReferencesParent()) {
  70     error_details_ = FILE_ERROR_ACCESS_DENIED;
  71     return;
  72   }
  73   InitializeUnsafe(name, flags);
  74 }
  75 #endif
  76
  77 }  // namespace base