mirror of
https://gitea.wildfiregames.com/0ad/0ad
synced 2026-06-16 13:23:56 -07:00
0dc52a4d43
657be906fe allowed the use of boost filesystem v4, so this should have
been updated as well. As boost filesystem v2 is irrelevant as it was
removed in boost-1.50 so just remove the wrapper function altogether.
Signed-off-by: Ralph Sennhauser <ralph.sennhauser@gmail.com>
162 lines
4 KiB
C++
162 lines
4 KiB
C++
/* Copyright (C) 2025 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 "Filesystem.h"
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#include "lib/sysdep/dir_watch.h"
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#include "lib/utf8.h"
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#include "ps/CLogger.h"
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#include "ps/CStr.h"
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#include "ps/Profile.h"
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PIVFS g_VFS;
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static std::vector<std::pair<FileReloadFunc, void*> > g_ReloadFuncs;
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bool VfsFileExists(const VfsPath& pathname)
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{
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return g_VFS->GetFileInfo(pathname, 0) == INFO::OK;
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}
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bool VfsDirectoryExists(const VfsPath& pathname)
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{
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ENSURE(pathname.IsDirectory());
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return g_VFS->GetDirectoryEntries(pathname, NULL, NULL) == INFO::OK;
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}
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void RegisterFileReloadFunc(FileReloadFunc func, void* obj)
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{
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g_ReloadFuncs.emplace_back(func, obj);
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}
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void UnregisterFileReloadFunc(FileReloadFunc func, void* obj)
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{
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g_ReloadFuncs.erase(std::remove(g_ReloadFuncs.begin(), g_ReloadFuncs.end(), std::make_pair(func, obj)));
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}
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// try to skip unnecessary work by ignoring uninteresting notifications.
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static bool CanIgnore(const DirWatchNotification& notification)
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{
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// ignore directories
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const OsPath& pathname = notification.Pathname();
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if(pathname.IsDirectory())
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return true;
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// ignore uninteresting file types (e.g. temp files, or the
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// hundreds of XMB files that are generated from XML)
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const OsPath extension = pathname.Extension();
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const wchar_t* extensionsToIgnore[] = { L".xmb", L".tmp" };
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for(size_t i = 0; i < ARRAY_SIZE(extensionsToIgnore); i++)
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{
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if(extension == extensionsToIgnore[i])
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return true;
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}
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return false;
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}
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Status ReloadChangedFiles()
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{
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PROFILE3("hotload");
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std::vector<DirWatchNotification> notifications;
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RETURN_STATUS_IF_ERR(dir_watch_Poll(notifications));
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if (notifications.empty())
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return INFO::SKIPPED;
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for(size_t i = 0; i < notifications.size(); i++)
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{
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if(!CanIgnore(notifications[i]))
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{
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VfsPath pathname;
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RETURN_STATUS_IF_ERR(g_VFS->GetVirtualPath(notifications[i].Pathname(), pathname));
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RETURN_STATUS_IF_ERR(g_VFS->RemoveFile(pathname));
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RETURN_STATUS_IF_ERR(g_VFS->RepopulateDirectory(pathname.Parent()/""));
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// Tell each hotloadable system about this file change:
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for (size_t j = 0; j < g_ReloadFuncs.size(); ++j)
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g_ReloadFuncs[j].first(g_ReloadFuncs[j].second, pathname);
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}
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}
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return INFO::OK;
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}
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CVFSFile::CVFSFile()
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: m_BufferSize(0)
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{
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}
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CVFSFile::~CVFSFile()
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{
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}
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PSRETURN CVFSFile::Load(const PIVFS& vfs, const VfsPath& filename, bool log /* = true */)
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{
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// Load should never be called more than once, so complain
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if (m_Buffer)
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{
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DEBUG_WARN_ERR(ERR::LOGIC);
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return PSRETURN_CVFSFile_AlreadyLoaded;
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}
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Status ret = vfs->LoadFile(filename, m_Buffer, m_BufferSize);
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if (ret != INFO::OK)
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{
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if (log)
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LOGERROR("CVFSFile: file %s couldn't be opened (vfs_load: %lld)", filename.string8(), (long long)ret);
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m_Buffer.reset();
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m_BufferSize = 0;
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return PSRETURN_CVFSFile_LoadFailed;
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}
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return PSRETURN_OK;
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}
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const u8* CVFSFile::GetBuffer() const
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{
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return m_Buffer.get();
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}
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size_t CVFSFile::GetBufferSize() const
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{
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return m_BufferSize;
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}
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CStr CVFSFile::GetAsString() const
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{
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return std::string((char*)GetBuffer(), GetBufferSize());
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}
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CStr CVFSFile::DecodeUTF8() const
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{
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const u8* buffer = GetBuffer();
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// Detect if there's a UTF-8 BOM and strip it
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if (GetBufferSize() >= 3 && buffer[0] == 0xEF && buffer[1] == 0xBB && buffer[2] == 0xBF)
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{
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return std::string(&buffer[3], buffer + GetBufferSize());
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}
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else
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{
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return std::string(buffer, buffer + GetBufferSize());
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}
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}
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