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// Copyright 2021 The PDFium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#include "core/fxcrt/fx_folder.h"
#include <memory>
#include "build/build_config.h"
#include "core/fxcrt/unowned_ptr.h"
#include "third_party/base/ptr_util.h"
#if BUILDFLAG(IS_WIN)
#error "built on wrong platform"
#endif
#include <dirent.h>
#include <sys/stat.h>
#include <unistd.h>
class FX_PosixFolder : public FX_Folder {
public:
~FX_PosixFolder() override;
bool GetNextFile(ByteString* filename, bool* bFolder) override;
private:
friend class FX_Folder;
FX_PosixFolder(const ByteString& path, DIR* dir);
const ByteString m_Path;
UnownedPtr<DIR> m_Dir;
};
std::unique_ptr<FX_Folder> FX_Folder::OpenFolder(const ByteString& path) {
DIR* dir = opendir(path.c_str());
if (!dir)
return nullptr;
// Private ctor.
return pdfium::WrapUnique(new FX_PosixFolder(path, dir));
}
FX_PosixFolder::FX_PosixFolder(const ByteString& path, DIR* dir)
: m_Path(path), m_Dir(dir) {}
FX_PosixFolder::~FX_PosixFolder() {
closedir(m_Dir.ExtractAsDangling());
}
bool FX_PosixFolder::GetNextFile(ByteString* filename, bool* bFolder) {
struct dirent* de = readdir(m_Dir);
if (!de)
return false;
ByteString fullpath = m_Path + "/" + de->d_name;
struct stat deStat;
if (stat(fullpath.c_str(), &deStat) < 0)
return false;
*filename = de->d_name;
*bFolder = S_ISDIR(deStat.st_mode);
return true;
}