NazaraEngine/src/Nazara/Core/Posix/DirectoryImpl.cpp

121 lines
2.9 KiB
C++

// Copyright (C) 2015 Alexandre Janniaux
// This file is part of the "Nazara Engine - Core module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#include <Nazara/Core/Posix/DirectoryImpl.hpp>
#include <Nazara/Core/Directory.hpp>
#include <Nazara/Core/Error.hpp>
#include <Nazara/Core/MemoryHelper.hpp>
#include <Nazara/Core/String.hpp>
#include <cstring>
#include <errno.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <unistd.h>
#include <Nazara/Core/Debug.hpp>
namespace Nz
{
DirectoryImpl::DirectoryImpl(const Directory* parent) :
m_parent(parent)
{
}
void DirectoryImpl::Close()
{
closedir(m_handle);
}
String DirectoryImpl::GetResultName() const
{
return m_result->d_name;
}
UInt64 DirectoryImpl::GetResultSize() const
{
String path = m_parent->GetPath();
std::size_t pathSize = path.GetSize();
std::size_t resultNameSize = std::strlen(m_result->d_name);
std::size_t fullNameSize = pathSize + 1 + resultNameSize;
StackArray<char> fullName = NazaraStackAllocationNoInit(char, fullNameSize + 1);
std::memcpy(&fullName[0], path.GetConstBuffer(), pathSize * sizeof(char));
fullName[pathSize] = '/';
std::memcpy(&fullName[pathSize + 1], m_result->d_name, resultNameSize * sizeof(char));
fullName[fullNameSize] = '\0';
struct stat64 results;
stat64(fullName.data(), &results);
return results.st_size;
}
bool DirectoryImpl::IsResultDirectory() const
{
//TODO: Fix d_type handling (field can be missing or be a symbolic link, both cases which must be handled by calling stat)
return m_result->d_type == DT_DIR;
}
bool DirectoryImpl::NextResult()
{
if ((m_result = readdir64(m_handle)))
return true;
else
{
if (errno == EBADF || errno == EOVERFLOW)
NazaraError("Unable to get next result: " + Error::GetLastSystemError());
return false;
}
}
bool DirectoryImpl::Open(const String& dirPath)
{
m_handle = opendir(dirPath.GetConstBuffer());
if (!m_handle)
{
NazaraError("Unable to open directory: " + Error::GetLastSystemError());
return false;
}
return true;
}
bool DirectoryImpl::Create(const String& dirPath)
{
mode_t permissions = S_IRWXU | S_IRWXG | S_IRWXO; // 777
return mkdir(dirPath.GetConstBuffer(), permissions) != -1;
}
bool DirectoryImpl::Exists(const String& dirPath)
{
struct stat64 filestats;
if (stat64(dirPath.GetConstBuffer(), &filestats) == -1) // error
return false;
return S_ISDIR(filestats.st_mode) || S_ISREG(filestats.st_mode);
}
String DirectoryImpl::GetCurrent()
{
String currentPath;
char path[MAXPATHLEN];
if (getcwd(path, MAXPATHLEN))
currentPath = path;
else
NazaraError("Unable to get current directory: " + Error::GetLastSystemError()); // Bug: initialisation -> if no path for log !
return currentPath;
}
bool DirectoryImpl::Remove(const String& dirPath)
{
bool success = rmdir(dirPath.GetConstBuffer()) != -1;
return success;
}
}