Files
tesses-framework/src/Filesystem/VFS.cpp
2025-01-08 08:45:21 -06:00

443 lines
11 KiB
C++

#include "TessesFramework/Filesystem/VFS.hpp"
#include "TessesFramework/Http/HttpUtils.hpp"
namespace Tesses::Framework::Filesystem
{
VFSPathEnumeratorItterator::VFSPathEnumeratorItterator()
{
this->enumerator=nullptr;
}
VFSPathEnumeratorItterator::VFSPathEnumeratorItterator(VFSPathEnumerator* enumerator)
{
this->enumerator = enumerator;
}
VFSPathEnumeratorItterator& VFSPathEnumeratorItterator::operator++(int)
{
enumerator->MoveNext();
return *this;
}
VFSPathEnumeratorItterator& VFSPathEnumeratorItterator::operator++()
{
enumerator->MoveNext();
return *this;
}
VFSPath& VFSPathEnumeratorItterator::operator*()
{
std::filesystem::directory_iterator i;
if(enumerator != nullptr)
return enumerator->Current;
return this->e;
}
VFSPath* VFSPathEnumeratorItterator::operator->()
{
if(enumerator != nullptr)
return &enumerator->Current;
return nullptr;
}
bool VFSPathEnumeratorItterator::operator!=(VFSPathEnumeratorItterator right)
{
if(enumerator == right.enumerator)
{
return false;
}
if(right.enumerator == nullptr)
{
auto r = !enumerator->IsDone();
return r;
}
return true;
}
bool VFSPathEnumeratorItterator::operator==(VFSPathEnumeratorItterator right)
{
if(enumerator == right.enumerator)
{
return true;
}
if(right.enumerator == nullptr)
return enumerator->IsDone();
return false;
}
VFSPathEnumerator::VFSPathEnumerator()
{
data = nullptr;
}
VFSPathEnumerator* VFSPathEnumerator::MakePointer()
{
VFSPathEnumerator* enumerator = new VFSPathEnumerator();
enumerator->Current = Current;
enumerator->data = data;
return enumerator;
}
VFSPathEnumerator::VFSPathEnumerator(std::function<bool(VFSPath&)> moveNext, std::function<void()> destroy)
{
data = std::make_shared<VFSPathEnumeratorData>(moveNext,destroy);
}
bool VFSPathEnumerator::MoveNext()
{
if(this->data)
{
auto r = data->moveNext(Current);
if(!r) data->eof=true;
return r;
}
return false;
}
bool VFSPathEnumerator::IsDone()
{
if(this->data)
{
return data->eof;
}
return true;
}
VFSPathEnumeratorItterator VFSPathEnumerator::begin()
{
MoveNext();
VFSPathEnumeratorItterator ittr(this);
return ittr;
}
VFSPathEnumeratorItterator VFSPathEnumerator::end()
{
return VFSPathEnumeratorItterator();
}
VFSPath operator/(VFSPath p, VFSPath p2)
{
return VFSPath(p,p2);
}
VFSPath operator/(VFSPath p, std::string p2)
{
return VFSPath(p,p2);
}
VFSPath operator/(std::string p, VFSPath p2)
{
return VFSPath(p,p2);
}
VFSPath operator+(VFSPath p, VFSPath p2)
{
VFSPath pout;
pout.relative = p.relative;
if(p.path.size()>1)
{
pout.path.insert(pout.path.end(),p.path.begin(),p.path.end()-1);
}
std::string mid={};
if(!p.path.empty())
{
mid.append(p.path.back());
}
if(!p2.path.empty())
{
mid.append(p2.path.front());
}
pout.path.push_back(mid);
if(p2.path.size()>1)
{
pout.path.insert(pout.path.end(),p2.path.begin()+1,p2.path.end());
}
return pout;
}
VFSPath operator+(VFSPath p, std::string p2)
{
return p + VFSPath(p2);
}
VFSPath operator+(std::string p, VFSPath p2)
{
return VFSPath(p) + p2;
}
bool operator==(VFSPath p,VFSPath p2)
{
if(p.relative != p2.relative) return false;
if(p.path.size() != p2.path.size()) return false;
for(size_t i = 0; i < p.path.size(); i++)
if(p.path[i] != p2.path[i]) return false;
return true;
}
bool operator!=(VFSPath p,VFSPath p2)
{
if(p.relative != p2.relative) return true;
if(p.path.size() != p2.path.size()) return true;
for(size_t i = 0; i < p.path.size(); i++)
if(p.path[i] != p2.path[i]) return true;
return false;
}
bool operator==(std::string p,VFSPath p2)
{
return VFSPath(p) == p2;
}
bool operator!=(std::string p,VFSPath p2)
{
return VFSPath(p) != p2;
}
bool operator==(VFSPath p,std::string p2)
{
return p == VFSPath(p2);
}
bool operator!=(VFSPath p,std::string p2)
{
return p != VFSPath(p2);
}
VFSPath VFS::ReadLink(VFSPath path)
{
return VFSPath("/");
}
VFSPath VFSPath::CollapseRelativeParents()
{
std::vector<std::string> parts;
for(auto item : this->path)
{
if(item == "..")
{
if(!parts.empty())
{
parts.erase(parts.end()-1);
}
}
else if(item == ".")
{
//do nothing but don't emit this
}
else
{
parts.push_back(item);
}
}
VFSPath newpath;
newpath.relative = relative;
newpath.path = parts;
return newpath;
}
VFSPath VFSPath::RelativeCurrentDirectory()
{
VFSPath path;
path.relative=true;
return path;
}
std::vector<std::string> VFSPath::SplitPath(std::string path)
{
std::vector<std::string> parts;
std::string curPath = {};
for(auto c : path)
{
if(c == '/')
{
if(!curPath.empty())
{
parts.push_back(curPath);
curPath = {};
}
}
#if defined(WIN32)
else if(c == '\\')
{
if(!curPath.empty())
{
parts.push_back(curPath);
curPath = {};
}
}
#endif
else
{
curPath.push_back(c);
}
}
if(!curPath.empty())
{
parts.push_back(curPath);
curPath = {};
}
return parts;
}
VFSPath::VFSPath()
{
this->relative=false;
}
VFSPath::VFSPath(std::vector<std::string> p)
{
this->path = p;
}
bool VFSPath::HasExtension()
{
if(this->path.empty()) return false;
auto& str = this->path.back();
auto index = str.find_last_of('.');
if(index == std::string::npos) return false;
return true;
}
std::string VFSPath::GetExtension()
{
if(this->path.empty()) return {};
auto& str = this->path.back();
auto index = str.find_last_of('.');
if(index == std::string::npos) return {};
return str.substr(index);
}
void VFSPath::ChangeExtension(std::string ext)
{
if(this->path.empty()) return;
auto& str = this->path.back();
auto index = str.find_last_of('.');
if(index != std::string::npos)
{
str = str.substr(0,index);
}
if(ext.empty()) return;
if(ext[0] != '.')
{
str += '.' + ext;
}
else
{
str += ext;
}
}
void VFSPath::RemoveExtension()
{
ChangeExtension({});
}
VFSPath::VFSPath(std::string str)
{
this->path = SplitPath(str);
this->relative=true;
if(!str.empty())
{
if(str.front() == '/') this->relative=false;
if(!this->path.empty())
{
auto firstPartPath = this->path.front();
if(!firstPartPath.empty() && firstPartPath.back() == ':') this->relative=false;
}
}
}
VFSPath::VFSPath(VFSPath p1, VFSPath p2)
{
this->relative = p1.relative;
this->path.insert(this->path.end(),p1.path.begin(),p1.path.end());
this->path.insert(this->path.end(),p2.path.begin(),p2.path.end());
}
VFSPath::VFSPath(VFSPath p1, std::string subpath) : VFSPath(p1, VFSPath(subpath))
{
}
VFSPath VFSPath::GetParent()
{
std::vector<std::string> paths;
if(this->path.empty()) return VFSPath();
if(!this->relative && this->path.size() == 1 && !this->path[0].empty() && this->path[0].back() == ':') return *this;
paths.insert(paths.begin(), this->path.begin(), this->path.end()-1);
auto res= VFSPath(paths);
res.relative = this->relative;
return res;
}
std::string VFSPath::GetFileName()
{
if(this->path.empty()) return "";
return this->path.back();
}
std::string VFSPath::ToString()
{
if(this->path.empty() && !this->relative) return "/";
if(!this->relative && this->path.size() == 1 && !this->path[0].empty() && this->path[0].back() == ':') return this->path[0] + "/";
bool first=true;
std::string p = {};
for(auto item : this->path)
{
if(!(first && !item.empty() && item.back()==':') && !(first && this->relative))
p.push_back('/');
p.append(item);
first=false;
}
return p;
}
VFS::~VFS()
{
}
bool VFS::FIFOFileExists(VFSPath path) {return false;}
bool VFS::SocketFileExists(VFSPath path) {return false;}
bool VFS::CharacterDeviceExists(VFSPath path) {return false;}
bool VFS::BlockDeviceExists(VFSPath path) {return false;}
bool VFS::SymlinkExists(VFSPath path) {return false;}
void VFS::MoveDirectory(VFSPath src, VFSPath dest)
{
for(auto item : EnumeratePaths(src))
{
if(DirectoryExists(item))
{
MoveDirectory(item, VFSPath(dest, item.GetFileName()));
}
else
{
MoveFile(item, VFSPath(dest, item.GetFileName()));
}
}
DeleteDirectory(src);
}
void VFS::CreateSymlink(VFSPath existingFile, VFSPath symlinkFile)
{
}
void VFS::CreateHardlink(VFSPath existingFile, VFSPath newName)
{
}
bool VFS::SpecialFileExists(VFSPath path)
{
return SymlinkExists(path) || BlockDeviceExists(path) || CharacterDeviceExists(path) || SocketFileExists(path) || FIFOFileExists(path);
}
bool VFS::FileExists(VFSPath path)
{
return RegularFileExists(path) || SpecialFileExists(path);
}
void VFS::DeleteDirectoryRecurse(VFSPath path)
{
if(!DirectoryExists(path)) return;
for(auto item : EnumeratePaths(path))
{
if(DirectoryExists(item))
{
DeleteDirectoryRecurse(item);
}
else
{
DeleteFile(item);
}
}
DeleteDirectory(path);
}
void VFS::GetDate(VFSPath path, time_t& lastWrite, time_t& lastAccess)
{
}
void VFS::SetDate(VFSPath path, time_t lastWrite, time_t lastAccess)
{
}
}