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Unified Diff: base/files/file_enumerator_win.cc

Issue 1446363003: Deleted OS_WIN and all Windows specific files from base. (Closed) Base URL: https://github.com/domokit/mojo.git@base_tests
Patch Set: Created 5 years, 1 month ago
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Index: base/files/file_enumerator_win.cc
diff --git a/base/files/file_enumerator_win.cc b/base/files/file_enumerator_win.cc
deleted file mode 100644
index 931d15498164267f0f6e68913ae88a5ad1e5f1c3..0000000000000000000000000000000000000000
--- a/base/files/file_enumerator_win.cc
+++ /dev/null
@@ -1,164 +0,0 @@
-// Copyright (c) 2013 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 "base/files/file_enumerator.h"
-
-#include <string.h>
-
-#include "base/logging.h"
-#include "base/threading/thread_restrictions.h"
-#include "base/win/windows_version.h"
-
-namespace base {
-
-// FileEnumerator::FileInfo ----------------------------------------------------
-
-FileEnumerator::FileInfo::FileInfo() {
- memset(&find_data_, 0, sizeof(find_data_));
-}
-
-bool FileEnumerator::FileInfo::IsDirectory() const {
- return (find_data_.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0;
-}
-
-FilePath FileEnumerator::FileInfo::GetName() const {
- return FilePath(find_data_.cFileName);
-}
-
-int64 FileEnumerator::FileInfo::GetSize() const {
- ULARGE_INTEGER size;
- size.HighPart = find_data_.nFileSizeHigh;
- size.LowPart = find_data_.nFileSizeLow;
- DCHECK_LE(size.QuadPart, std::numeric_limits<int64>::max());
- return static_cast<int64>(size.QuadPart);
-}
-
-base::Time FileEnumerator::FileInfo::GetLastModifiedTime() const {
- return base::Time::FromFileTime(find_data_.ftLastWriteTime);
-}
-
-// FileEnumerator --------------------------------------------------------------
-
-FileEnumerator::FileEnumerator(const FilePath& root_path,
- bool recursive,
- int file_type)
- : recursive_(recursive),
- file_type_(file_type),
- has_find_data_(false),
- find_handle_(INVALID_HANDLE_VALUE) {
- // INCLUDE_DOT_DOT must not be specified if recursive.
- DCHECK(!(recursive && (INCLUDE_DOT_DOT & file_type_)));
- memset(&find_data_, 0, sizeof(find_data_));
- pending_paths_.push(root_path);
-}
-
-FileEnumerator::FileEnumerator(const FilePath& root_path,
- bool recursive,
- int file_type,
- const FilePath::StringType& pattern)
- : recursive_(recursive),
- file_type_(file_type),
- has_find_data_(false),
- pattern_(pattern),
- find_handle_(INVALID_HANDLE_VALUE) {
- // INCLUDE_DOT_DOT must not be specified if recursive.
- DCHECK(!(recursive && (INCLUDE_DOT_DOT & file_type_)));
- memset(&find_data_, 0, sizeof(find_data_));
- pending_paths_.push(root_path);
-}
-
-FileEnumerator::~FileEnumerator() {
- if (find_handle_ != INVALID_HANDLE_VALUE)
- FindClose(find_handle_);
-}
-
-FileEnumerator::FileInfo FileEnumerator::GetInfo() const {
- if (!has_find_data_) {
- NOTREACHED();
- return FileInfo();
- }
- FileInfo ret;
- memcpy(&ret.find_data_, &find_data_, sizeof(find_data_));
- return ret;
-}
-
-FilePath FileEnumerator::Next() {
- base::ThreadRestrictions::AssertIOAllowed();
-
- while (has_find_data_ || !pending_paths_.empty()) {
- if (!has_find_data_) {
- // The last find FindFirstFile operation is done, prepare a new one.
- root_path_ = pending_paths_.top();
- pending_paths_.pop();
-
- // Start a new find operation.
- FilePath src = root_path_;
-
- if (pattern_.empty())
- src = src.Append(L"*"); // No pattern = match everything.
- else
- src = src.Append(pattern_);
-
- if (base::win::GetVersion() >= base::win::VERSION_WIN7) {
- // Use a "large fetch" on newer Windows which should speed up large
- // enumerations (we seldom abort in the middle).
- find_handle_ = FindFirstFileEx(src.value().c_str(),
- FindExInfoBasic, // Omit short name.
- &find_data_,
- FindExSearchNameMatch,
- NULL,
- FIND_FIRST_EX_LARGE_FETCH);
- } else {
- find_handle_ = FindFirstFile(src.value().c_str(), &find_data_);
- }
- has_find_data_ = true;
- } else {
- // Search for the next file/directory.
- if (!FindNextFile(find_handle_, &find_data_)) {
- FindClose(find_handle_);
- find_handle_ = INVALID_HANDLE_VALUE;
- }
- }
-
- if (INVALID_HANDLE_VALUE == find_handle_) {
- has_find_data_ = false;
-
- // This is reached when we have finished a directory and are advancing to
- // the next one in the queue. We applied the pattern (if any) to the files
- // in the root search directory, but for those directories which were
- // matched, we want to enumerate all files inside them. This will happen
- // when the handle is empty.
- pattern_ = FilePath::StringType();
-
- continue;
- }
-
- FilePath cur_file(find_data_.cFileName);
- if (ShouldSkip(cur_file))
- continue;
-
- // Construct the absolute filename.
- cur_file = root_path_.Append(find_data_.cFileName);
-
- if (find_data_.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
- if (recursive_) {
- // If |cur_file| is a directory, and we are doing recursive searching,
- // add it to pending_paths_ so we scan it after we finish scanning this
- // directory. However, don't do recursion through reparse points or we
- // may end up with an infinite cycle.
- DWORD attributes = GetFileAttributes(cur_file.value().c_str());
- if (!(attributes & FILE_ATTRIBUTE_REPARSE_POINT))
- pending_paths_.push(cur_file);
- }
- if (file_type_ & FileEnumerator::DIRECTORIES)
- return cur_file;
- } else if (file_type_ & FileEnumerator::FILES) {
- return cur_file;
- }
- }
-
- return FilePath();
-}
-
-} // namespace base
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