103 lines
1.7 KiB
C++
103 lines
1.7 KiB
C++
|
#include "IArchive.h"
|
||
|
|
#include "IErrors.h"
|
||
|
|
|
||
|
|
#if ENABLE_IDYNAMICCREATE
|
||
|
|
|
||
|
|
IDynamic * IArchive::iterator::Instantiate(void)
|
||
|
|
{
|
||
|
|
IDataSubStream subStream(owner->theStream, GetDataOffset(), GetDataLength());
|
||
|
|
|
||
|
|
return IClassRegistry::Instantiate(GetTypeID(), &subStream);
|
||
|
|
}
|
||
|
|
|
||
|
|
void * IArchive::iterator::GetBuffer(UInt32 * outLength)
|
||
|
|
{
|
||
|
|
HeaderEntry * entry = GetData();
|
||
|
|
UInt8 * buf = new UInt8[entry->dataLength];
|
||
|
|
|
||
|
|
owner->theStream->SetOffset(entry->dataOffset);
|
||
|
|
owner->theStream->ReadBuf(buf, entry->dataLength);
|
||
|
|
|
||
|
|
if(outLength)
|
||
|
|
*outLength = entry->dataLength;
|
||
|
|
|
||
|
|
return buf;
|
||
|
|
}
|
||
|
|
|
||
|
|
void IArchive::iterator::NextOfType(UInt32 typeID)
|
||
|
|
{
|
||
|
|
idx++;
|
||
|
|
|
||
|
|
while((GetData()->typeID != typeID) && (idx < owner->header.numEntries))
|
||
|
|
idx++;
|
||
|
|
}
|
||
|
|
|
||
|
|
void IArchive::iterator::PrevOfType(UInt32 typeID)
|
||
|
|
{
|
||
|
|
idx--;
|
||
|
|
|
||
|
|
while((GetData()->typeID != typeID) && (idx > 0))
|
||
|
|
idx--;
|
||
|
|
}
|
||
|
|
|
||
|
|
IArchive::IArchive()
|
||
|
|
:theStream(NULL), entries(NULL), nameTable(NULL)
|
||
|
|
{
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
IArchive::IArchive(IDataStream * stream)
|
||
|
|
:theStream(NULL), entries(NULL), nameTable(NULL)
|
||
|
|
{
|
||
|
|
AttachStream(stream);
|
||
|
|
}
|
||
|
|
|
||
|
|
IArchive::~IArchive()
|
||
|
|
{
|
||
|
|
Dispose();
|
||
|
|
}
|
||
|
|
|
||
|
|
void IArchive::AttachStream(IDataStream * inStream)
|
||
|
|
{
|
||
|
|
Dispose();
|
||
|
|
|
||
|
|
theStream = inStream;
|
||
|
|
}
|
||
|
|
|
||
|
|
void IArchive::Dispose(void)
|
||
|
|
{
|
||
|
|
if(entries)
|
||
|
|
{
|
||
|
|
delete entries;
|
||
|
|
entries = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
if(nameTable)
|
||
|
|
{
|
||
|
|
delete nameTable;
|
||
|
|
nameTable = NULL;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void IArchive::ReadHeader(void)
|
||
|
|
{
|
||
|
|
ASSERT(theStream);
|
||
|
|
|
||
|
|
theStream->Rewind();
|
||
|
|
|
||
|
|
theStream->ReadBuf(&header, sizeof(FileHeader));
|
||
|
|
|
||
|
|
entries = new HeaderEntry[header.numEntries];
|
||
|
|
theStream->ReadBuf(entries, header.numEntries * sizeof(HeaderEntry));
|
||
|
|
|
||
|
|
if(header.nameTableLength)
|
||
|
|
{
|
||
|
|
nameTable = new char[header.nameTableLength];
|
||
|
|
|
||
|
|
theStream->SetOffset(header.nameTableOffset);
|
||
|
|
theStream->ReadBuf(nameTable, header.nameTableLength);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|