7b3c76b44f
This is a reland of 6b9dec0d16f2df59fa2820c5ec1341be52fb9f32 Original change's description: > Delete rtc::Pathname > > Bug: webrtc:6424 > Change-Id: Iec01dc5dd1426d4558983b828b67af872107d723 > Reviewed-on: https://webrtc-review.googlesource.com/c/108400 > Commit-Queue: Niels Moller <nisse@webrtc.org> > Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> > Cr-Commit-Position: refs/heads/master@{#25479} Bug: webrtc:6424 Change-Id: Ic7b42d435ffd8b93f603acebe68e8a92366bb197 Reviewed-on: https://webrtc-review.googlesource.com/c/109561 Commit-Queue: Niels Moller <nisse@webrtc.org> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Cr-Commit-Position: refs/heads/master@{#25537}
139 lines
3.4 KiB
C++
139 lines
3.4 KiB
C++
/*
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* Copyright 2004 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "rtc_base/fileutils.h"
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#include "rtc_base/checks.h"
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#if defined(WEBRTC_WIN)
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#include "rtc_base/stringutils.h" // for ToUtf16
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#include "rtc_base/win32filesystem.h"
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#else
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#include "rtc_base/unixfilesystem.h"
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#endif
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#if !defined(WEBRTC_WIN)
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#define MAX_PATH 260
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#endif
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namespace rtc {
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//////////////////////////
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// Directory Iterator //
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//////////////////////////
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// A DirectoryIterator is created with a given directory. It originally points
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// to the first file in the directory, and can be advanecd with Next(). This
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// allows you to get information about each file.
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// Constructor
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DirectoryIterator::DirectoryIterator()
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#ifdef WEBRTC_WIN
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: handle_(INVALID_HANDLE_VALUE) {
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#else
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: dir_(nullptr),
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dirent_(nullptr){
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#endif
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}
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// Destructor
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DirectoryIterator::~DirectoryIterator() {
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#if defined(WEBRTC_WIN)
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if (handle_ != INVALID_HANDLE_VALUE)
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::FindClose(handle_);
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#else
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if (dir_)
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closedir(dir_);
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#endif
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}
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// Starts traversing a directory.
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// dir is the directory to traverse
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// returns true if the directory exists and is valid
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bool DirectoryIterator::Iterate(const std::string& dir) {
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directory_ = dir;
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#if defined(WEBRTC_WIN)
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if (handle_ != INVALID_HANDLE_VALUE)
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::FindClose(handle_);
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std::string d = dir + '*';
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handle_ = ::FindFirstFile(ToUtf16(d).c_str(), &data_);
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if (handle_ == INVALID_HANDLE_VALUE)
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return false;
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#else
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if (dir_ != nullptr)
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closedir(dir_);
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dir_ = ::opendir(directory_.c_str());
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if (dir_ == nullptr)
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return false;
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dirent_ = readdir(dir_);
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if (dirent_ == nullptr)
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return false;
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if (::stat(PathName().c_str(), &stat_) != 0)
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return false;
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#endif
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return true;
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}
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// Advances to the next file
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// returns true if there were more files in the directory.
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bool DirectoryIterator::Next() {
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#if defined(WEBRTC_WIN)
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return ::FindNextFile(handle_, &data_) == TRUE;
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#else
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dirent_ = ::readdir(dir_);
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if (dirent_ == nullptr)
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return false;
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return ::stat(PathName().c_str(), &stat_) == 0;
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#endif
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}
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// returns true if the file currently pointed to is a directory
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bool DirectoryIterator::IsDirectory() const {
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#if defined(WEBRTC_WIN)
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return (data_.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != FALSE;
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#else
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return S_ISDIR(stat_.st_mode);
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#endif
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}
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// returns the name of the file currently pointed to
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std::string DirectoryIterator::Name() const {
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#if defined(WEBRTC_WIN)
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return ToUtf8(data_.cFileName);
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#else
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RTC_DCHECK(dirent_);
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return std::string(dirent_->d_name);
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#endif
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}
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// returns the name of the file currently pointed to
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std::string DirectoryIterator::PathName() const {
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#if defined(WEBRTC_WIN)
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return directory_ + "\\" + ToUtf8(data_.cFileName);
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#else
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RTC_DCHECK(dirent_);
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return directory_ + "/" + dirent_->d_name;
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#endif
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}
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FilesystemInterface* Filesystem::GetFilesystem() {
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#if defined(WEBRTC_WIN)
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static FilesystemInterface* const filesystem = new Win32Filesystem();
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#else
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static FilesystemInterface* const filesystem = new UnixFilesystem();
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#endif
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return filesystem;
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}
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} // namespace rtc
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