/** Check might look into the file.
\param file File handle to check.
\return True if file seems to be loadable. */
bool CArchiveLoaderNPK::isALoadableFileFormat(io::IReadFile* file) const
{
SNPKHeader header;
file->read(&header, sizeof(header));
return isHeaderValid(header);
}
/** Check might look into the file.
\param file File handle to check.
\return True if file seems to be loadable. */
bool CArchiveLoaderPAK::isALoadableFileFormat(IReadFile* file) const
{
SPAKFileHeader header;
file->read(&header, sizeof(header));
return isHeaderValid(header);
}
bool CPakReader::scanLocalHeader()
{
SPAKFileHeader header;
// Read and validate the header
File->read(&header, sizeof(header));
if (!isHeaderValid(header))
return false;
// Seek to the table of contents
#ifdef __BIG_ENDIAN__
header.offset = os::Byteswap::byteswap(header.offset);
header.length = os::Byteswap::byteswap(header.length);
#endif
File->seek(header.offset);
const int numberOfFiles = header.length / sizeof(SPAKFileEntry);
Offsets.reallocate(numberOfFiles);
// Loop through each entry in the table of contents
for(int i = 0; i < numberOfFiles; i++)
{
// read an entry
SPAKFileEntry entry;
File->read(&entry, sizeof(entry));
#ifdef _DEBUG
os::Printer::log(entry.name);
#endif
#ifdef __BIG_ENDIAN__
entry.offset = os::Byteswap::byteswap(entry.offset);
entry.length = os::Byteswap::byteswap(entry.length);
#endif
addItem(io::path(entry.name), entry.length, false, Offsets.size());
Offsets.push_back(entry.offset);
}
return true;
}
bool CPakReader::scanLocalHeader()
{
SPAKFileHeader header;
// Read and validate the header
File->read(&header, sizeof(header));
if (!isHeaderValid(header))
return false;
// Seek to the table of contents
#if (SAPPHIRE_CONFIG_ENDIAN == SAPPHIRE_BIG_ENDIAN)
header.offset = Byteswap::byteswap(header.offset);
header.length = Byteswap::byteswap(header.length);
#endif
File->seek(header.offset);
const int numberOfFiles = header.length / sizeof(SPAKFileEntry);
// Loop through each entry in the table of contents
for (int i = 0; i < numberOfFiles; i++)
{
// read an entry
SPAKFileEntry entry;
File->read(&entry, sizeof(entry));
#ifdef _DEBUG
Printer::log(entry.name);
#endif
#if (SAPPHIRE_CONFIG_ENDIAN == SAPPHIRE_BIG_ENDIAN)
entry.offset = Byteswap::byteswap(entry.offset);
entry.length = Byteswap::byteswap(entry.length);
#endif
addItem(path(entry.name), entry.offset, entry.length, false);
}
return true;
}
bool CNPKReader::scanLocalHeader()
{
SNPKHeader header;
// Read and validate the header
File->read(&header, sizeof(header));
if (!isHeaderValid(header))
return false;
// Seek to the table of contents
#ifdef __BIG_ENDIAN__
header.Offset = os::Byteswap::byteswap(header.Offset);
header.Length = os::Byteswap::byteswap(header.Length);
#endif
header.Offset += 8;
core::stringc dirName;
bool inTOC=true;
// Loop through each entry in the table of contents
while (inTOC && (File->getPos() < File->getSize()))
{
// read an entry
char tag[4]={0};
SNPKFileEntry entry;
File->read(tag, 4);
const int numTag = MAKE_IRR_ID(tag[3],tag[2],tag[1],tag[0]);
int size;
bool isDir=true;
switch (numTag)
{
case MAKE_IRR_ID('D','I','R','_'):
{
File->read(&size, 4);
readString(entry.Name);
entry.Length=0;
entry.Offset=0;
#ifdef IRR_DEBUG_NPK_READER
os::Printer::log("Dir", entry.Name);
#endif
}
break;
case MAKE_IRR_ID('F','I','L','E'):
{
File->read(&size, 4);
File->read(&entry.Offset, 4);
File->read(&entry.Length, 4);
readString(entry.Name);
isDir=false;
#ifdef IRR_DEBUG_NPK_READER
os::Printer::log("File", entry.Name);
#endif
#ifdef __BIG_ENDIAN__
entry.Offset = os::Byteswap::byteswap(entry.Offset);
entry.Length = os::Byteswap::byteswap(entry.Length);
#endif
}
break;
case MAKE_IRR_ID('D','E','N','D'):
{
File->read(&size, 4);
entry.Name="";
entry.Length=0;
entry.Offset=0;
const s32 pos = dirName.findLast('/', dirName.size()-2);
if (pos==-1)
dirName="";
else
dirName=dirName.subString(0, pos);
#ifdef IRR_DEBUG_NPK_READER
os::Printer::log("Dirend", dirName);
#endif
}
break;
default:
inTOC=false;
}
// skip root dir
if (isDir)
{
if (!entry.Name.size() || (entry.Name==".") || (entry.Name=="<noname>"))
continue;
dirName += entry.Name;
dirName += "/";
}
#ifdef IRR_DEBUG_NPK_READER
os::Printer::log("Name", entry.Name);
#endif
addItem((isDir?dirName:dirName+entry.Name), entry.Offset+header.Offset, entry.Length, isDir);
}
return true;
}
