janwas
8fefedb5ae
refactor: simplify dir_watch_Poll interface (returns vector) wdir_watch: major refactor: use shared_ptr for reference-counting shared watch state remove no longer needed path_util functions This was SVN commit r7168.
89 lines
2.4 KiB
C++
89 lines
2.4 KiB
C++
/* Copyright (C) 2009 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "precompiled.h"
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#include "real_directory.h"
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#include "lib/path_util.h"
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#include "lib/file/file.h"
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#include "lib/file/io/io.h"
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RealDirectory::RealDirectory(const fs::wpath& path, size_t priority, size_t flags)
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: m_path(path), m_priority(priority), m_flags(flags)
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{
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}
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/*virtual*/ size_t RealDirectory::Precedence() const
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{
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return 1u;
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}
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/*virtual*/ wchar_t RealDirectory::LocationCode() const
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{
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return 'F';
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}
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/*virtual*/ LibError RealDirectory::Load(const std::wstring& name, const shared_ptr<u8>& buf, size_t size) const
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{
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const fs::wpath pathname(m_path/name);
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PFile file(new File);
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RETURN_ERR(file->Open(pathname, 'r'));
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RETURN_ERR(io_ReadAligned(file, 0, buf.get(), size));
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return INFO::OK;
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}
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LibError RealDirectory::Store(const std::wstring& name, const shared_ptr<u8>& fileContents, size_t size)
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{
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const fs::wpath pathname(m_path/name);
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{
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PFile file(new File);
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RETURN_ERR(file->Open(pathname, 'w'));
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RETURN_ERR(io_WriteAligned(file, 0, fileContents.get(), size));
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}
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// io_WriteAligned pads the file; we need to truncate it to the actual
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// length. ftruncate can't be used because Windows' FILE_FLAG_NO_BUFFERING
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// only allows resizing to sector boundaries, so the file must first
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// be closed.
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const fs::path pathname_c(path_from_wpath(pathname));
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truncate(pathname_c.string().c_str(), size);
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return INFO::OK;
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}
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void RealDirectory::Watch()
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{
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if(!m_watch)
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(void)dir_watch_Add(m_path, m_watch);
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}
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PRealDirectory CreateRealSubdirectory(const PRealDirectory& realDirectory, const std::wstring& subdirectoryName)
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{
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const fs::wpath path = AddSlash(realDirectory->Path()/subdirectoryName);
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return PRealDirectory(new RealDirectory(path, realDirectory->Priority(), realDirectory->Flags()));
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}
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