Add symbolic link support to FileSystemFileUtil::AbstractFileEnumerator.

webkit/fileapi/native_file_util.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "webkit/fileapi/native_file_util.h"
 
 #include <vector>
 
 #include "base/file_util.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 11 matching lines @@
     memset(&file_util_info_, 0, sizeof(file_util_info_));
 #endif  // defined(OS_WIN)
   }
 
   ~NativeFileEnumerator() {}
 
   virtual FilePath Next() OVERRIDE;
   virtual int64 Size() OVERRIDE;
   virtual base::Time LastModifiedTime() OVERRIDE;
   virtual bool IsDirectory() OVERRIDE;
+  virtual bool IsLink() OVERRIDE;
 
  private:
   file_util::FileEnumerator file_enum_;
   file_util::FileEnumerator::FindInfo file_util_info_;
 };
 
 FilePath NativeFileEnumerator::Next() {
   FilePath rv = file_enum_.Next();
   if (!rv.empty())
     file_enum_.GetFindInfo(&file_util_info_);
   return rv;
 }
 
 int64 NativeFileEnumerator::Size() {
   return file_util::FileEnumerator::GetFilesize(file_util_info_);
 }
 
 base::Time NativeFileEnumerator::LastModifiedTime() {
   return file_util::FileEnumerator::GetLastModifiedTime(file_util_info_);
 }
 
 bool NativeFileEnumerator::IsDirectory() {
   return file_util::FileEnumerator::IsDirectory(file_util_info_);
 }
 
+bool NativeFileEnumerator::IsLink() {
+  return file_util::FileEnumerator::IsLink(file_util_info_);
+}
+
 PlatformFileError NativeFileUtil::CreateOrOpen(
     FileSystemOperationContext* unused,
     const FileSystemPath& path, int file_flags,
     PlatformFile* file_handle, bool* created) {
   if (!file_util::DirectoryExists(path.internal_path().DirName())) {
     // If its parent does not exist, should return NOT_FOUND error.
     return base::PLATFORM_FILE_ERROR_NOT_FOUND;
   }
   PlatformFileError error_code = base::PLATFORM_FILE_OK;
   *file_handle = base::CreatePlatformFile(path.internal_path(), file_flags,
@@ skipping 229 matching lines @@
   if (!file_util::IsDirectoryEmpty(path.internal_path())) {
     // TODO(dmikurube): Check if this error code is appropriate.
     return base::PLATFORM_FILE_ERROR_NOT_EMPTY;
   }
   if (!file_util::Delete(path.internal_path(), false))
     return base::PLATFORM_FILE_ERROR_FAILED;
   return base::PLATFORM_FILE_OK;
 }
 
 }  // namespace fileapi