[dart:io] Namespaces for file IO

runtime/bin/directory_win.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "platform/globals.h"
 #if defined(HOST_OS_WINDOWS)
 
 #include "bin/directory.h"
-#include "bin/file.h"
-#include "bin/utils.h"
-#include "bin/utils_win.h"
 
 #include <errno.h>     // NOLINT
 #include <sys/stat.h>  // NOLINT
 
 #include "bin/dartutils.h"
+#include "bin/file.h"
 #include "bin/log.h"
+#include "bin/namespace.h"
+#include "bin/utils.h"
+#include "bin/utils_win.h"
 
 #undef DeleteFile
 
 #define MAX_LONG_PATH 32767
 
 namespace dart {
 namespace bin {
 
 PathBuffer::PathBuffer() : length_(0) {
   data_ = calloc(MAX_LONG_PATH + 1, sizeof(wchar_t));  // NOLINT
@@ skipping 309 matching lines @@
       // reasons such as lack of permissions. In that case we do
       // not know if the directory exists.
       return Directory::UNKNOWN;
     }
   }
   bool exists = (attributes & FILE_ATTRIBUTE_DIRECTORY) != 0;
   exists = exists && !IsBrokenLink(dir_name);
   return exists ? Directory::EXISTS : Directory::DOES_NOT_EXIST;
 }
 
-Directory::ExistsResult Directory::Exists(const char* dir_name) {
+Directory::ExistsResult Directory::Exists(Namespace* namespc,
+                                          const char* dir_name) {
   Utf8ToWideScope system_name(dir_name);
   return ExistsHelper(system_name.wide());
 }
 
 char* Directory::CurrentNoScope() {
   int length = GetCurrentDirectoryW(0, NULL);
   if (length == 0) {
     return NULL;
   }
   wchar_t* current = new wchar_t[length + 1];
   GetCurrentDirectoryW(length + 1, current);
   int utf8_len =
       WideCharToMultiByte(CP_UTF8, 0, current, -1, NULL, 0, NULL, NULL);
   char* result = reinterpret_cast<char*>(malloc(utf8_len));
   WideCharToMultiByte(CP_UTF8, 0, current, -1, result, utf8_len, NULL, NULL);
   delete[] current;
   return result;
 }
 
-const char* Directory::Current() {
-  int length = GetCurrentDirectoryW(0, NULL);
-  if (length == 0) {
-    return NULL;
-  }
-  wchar_t* current;
-  current = reinterpret_cast<wchar_t*>(
-      Dart_ScopeAllocate((length + 1) * sizeof(*current)));
-  GetCurrentDirectoryW(length + 1, current);
-  return StringUtilsWin::WideToUtf8(current);
-}
-
-bool Directory::SetCurrent(const char* path) {
-  Utf8ToWideScope system_path(path);
-  bool result = SetCurrentDirectoryW(system_path.wide()) != 0;
-  return result;
-}
-
-bool Directory::Create(const char* dir_name) {
+bool Directory::Create(Namespace* namespc, const char* dir_name) {
   Utf8ToWideScope system_name(dir_name);
   int create_status = CreateDirectoryW(system_name.wide(), NULL);
   // If the directory already existed, treat it as a success.
   if ((create_status == 0) && (GetLastError() == ERROR_ALREADY_EXISTS) &&
       (ExistsHelper(system_name.wide()) == EXISTS)) {
     return true;
   }
   return (create_status != 0);
 }
 
-const char* Directory::SystemTemp() {
+const char* Directory::SystemTemp(Namespace* namespc) {
   PathBuffer path;
   // Remove \ at end.
   path.Reset(GetTempPathW(MAX_LONG_PATH, path.AsStringW()) - 1);
   return path.AsScopedString();
 }
 
-const char* Directory::CreateTemp(const char* prefix) {
+const char* Directory::CreateTemp(Namespace* namespc, const char* prefix) {
   // Returns a new, unused directory name, adding characters to the
   // end of prefix.
   // Creates this directory, with a default security
   // descriptor inherited from its parent directory.
   // The return value is Dart_ScopeAllocated.
   PathBuffer path;
   Utf8ToWideScope system_prefix(prefix);
   if (!path.AddW(system_prefix.wide())) {
     return NULL;
   }
@@ skipping 18 matching lines @@
   if (!path.AddW(reinterpret_cast<wchar_t*>(uuid_string))) {
     return NULL;
   }
   RpcStringFreeW(&uuid_string);
   if (!CreateDirectoryW(path.AsStringW(), NULL)) {
     return NULL;
   }
   return path.AsScopedString();
 }
 
-bool Directory::Delete(const char* dir_name, bool recursive) {
+bool Directory::Delete(Namespace* namespc,
+                       const char* dir_name,
+                       bool recursive) {
   bool result = false;
   Utf8ToWideScope system_dir_name(dir_name);
   if (!recursive) {
-    if (File::GetType(dir_name, true) == File::kIsDirectory) {
+    if (File::GetType(namespc, dir_name, true) == File::kIsDirectory) {
       result = (RemoveDirectoryW(system_dir_name.wide()) != 0);
     } else {
       SetLastError(ERROR_FILE_NOT_FOUND);
     }
   } else {
     PathBuffer path;
     if (path.AddW(system_dir_name.wide())) {
       result = DeleteRecursively(&path);
     }
   }
   return result;
 }
 
-bool Directory::Rename(const char* path, const char* new_path) {
+bool Directory::Rename(Namespace* namespc,
+                       const char* path,
+                       const char* new_path) {
   Utf8ToWideScope system_path(path);
   Utf8ToWideScope system_new_path(new_path);
   ExistsResult exists = ExistsHelper(system_path.wide());
   if (exists != EXISTS) {
     return false;
   }
   ExistsResult new_exists = ExistsHelper(system_new_path.wide());
   // MoveFile does not allow replacing existing directories. Therefore,
   // if the new_path is currently a directory we need to delete it
   // first.
   if (new_exists == EXISTS) {
-    bool success = Delete(new_path, true);
+    bool success = Delete(namespc, new_path, true);
     if (!success) {
       return false;
     }
   }
   DWORD flags = MOVEFILE_WRITE_THROUGH;
   int move_status =
       MoveFileExW(system_path.wide(), system_new_path.wide(), flags);
   return (move_status != 0);
 }
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // defined(HOST_OS_WINDOWS)