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// Copyright (C) 2002-2012 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#include "CMountPointReader.h"
#ifdef __IRR_COMPILE_WITH_MOUNT_ARCHIVE_LOADER_
#include "CReadFile.h"
#include "os.h"
namespace irr
{
namespace io
{
//! Constructor
CArchiveLoaderMount::CArchiveLoaderMount( io::IFileSystem* fs)
: FileSystem(fs)
{
#ifdef _DEBUG
setDebugName("CArchiveLoaderMount");
#endif
}
//! returns true if the file maybe is able to be loaded by this class
bool CArchiveLoaderMount::isALoadableFileFormat(const io::path& filename) const
{
io::path fname(filename);
deletePathFromFilename(fname);
if (!fname.size())
return true;
IFileList* list = FileSystem->createFileList();
bool ret = false;
if (list)
{
// check if name is found as directory
if (list->findFile(filename, true))
ret=true;
list->drop();
}
return ret;
}
//! Check to see if the loader can create archives of this type.
bool CArchiveLoaderMount::isALoadableFileFormat(E_FILE_ARCHIVE_TYPE fileType) const
{
return fileType == EFAT_FOLDER;
}
//! Check if the file might be loaded by this class
bool CArchiveLoaderMount::isALoadableFileFormat(io::IReadFile* file) const
{
return false;
}
//! Creates an archive from the filename
IFileArchive* CArchiveLoaderMount::createArchive(const io::path& filename, bool ignoreCase, bool ignorePaths) const
{
IFileArchive *archive = 0;
EFileSystemType current = FileSystem->setFileListSystem(FILESYSTEM_NATIVE);
const io::path save = FileSystem->getWorkingDirectory();
io::path fullPath = FileSystem->getAbsolutePath(filename);
FileSystem->flattenFilename(fullPath);
if (FileSystem->changeWorkingDirectoryTo(fullPath))
{
archive = new CMountPointReader(FileSystem, fullPath, ignoreCase, ignorePaths);
}
FileSystem->changeWorkingDirectoryTo(save);
FileSystem->setFileListSystem(current);
return archive;
}
//! creates/loads an archive from the file.
//! \return Pointer to the created archive. Returns 0 if loading failed.
IFileArchive* CArchiveLoaderMount::createArchive(io::IReadFile* file, bool ignoreCase, bool ignorePaths) const
{
return 0;
}
//! compatible Folder Architecture
CMountPointReader::CMountPointReader(IFileSystem * parent, const io::path& basename, bool ignoreCase, bool ignorePaths)
: CFileList(basename, ignoreCase, ignorePaths), Parent(parent)
{
//! ensure CFileList path ends in a slash
if (Path.lastChar() != '/' )
Path.append('/');
const io::path& work = Parent->getWorkingDirectory();
if(!Parent->changeWorkingDirectoryTo(basename))
{
#ifdef __SWITCH__
printf("Failed changing directory to %s\n", basename.c_str());
perror("Why couldn't we change working directory?");
#endif
}
buildDirectory();
Parent->changeWorkingDirectoryTo(work);
sort();
}
//! returns the list of files
const IFileList* CMountPointReader::getFileList() const
{
return this;
}
void CMountPointReader::buildDirectory()
{
IFileList * list = Parent->createFileList();
if (!list)
return;
const u32 size = list->getFileCount();
for (u32 i=0; i < size; ++i)
{
io::path full = list->getFullFileName(i);
full = full.subString(Path.size(), full.size() - Path.size());
if (full == "")
continue;
#ifdef __SWITCH__
if (full.lastChar() == '.')
continue;
#endif
if (!list->isDirectory(i))
{
addItem(full, list->getFileOffset(i), list->getFileSize(i), false, RealFileNames.size());
RealFileNames.push_back(list->getFullFileName(i));
}
else
{
const io::path rel = list->getFileName(i);
RealFileNames.push_back(list->getFullFileName(i));
io::path pwd = Parent->getWorkingDirectory();
if (pwd.lastChar() != '/')
pwd.append('/');
pwd.append(rel);
if ( rel != "." && rel != ".." )
{
addItem(full, 0, 0, true, 0);
Parent->changeWorkingDirectoryTo(pwd);
buildDirectory();
Parent->changeWorkingDirectoryTo("..");
}
}
}
list->drop();
}
//! opens a file by index
IReadFile* CMountPointReader::createAndOpenFile(u32 index)
{
if (index >= Files.size())
return 0;
return createReadFile(RealFileNames[Files[index].ID]);
}
//! opens a file by file name
IReadFile* CMountPointReader::createAndOpenFile(const io::path& filename)
{
s32 index = findFile(filename, false);
if (index != -1)
return createAndOpenFile(index);
else
return 0;
}
} // io
} // irr
#endif // __IRR_COMPILE_WITH_MOUNT_ARCHIVE_LOADER_
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