//Parser commands must initialize the node before returning.
public static ResourceNode FromFile(ResourceNode parent, string path)
{
ResourceNode node = null;
FileMap map = FileMap.FromFile(path, FileMapProtect.Read);
try
{
if (Path.GetExtension(path).ToUpper().ToString() == ".MRG")
{
node = new MRGNode();
node.Initialize(parent, map);
}
else if (Path.GetExtension(path).ToUpper().ToString() == ".REL")
{
node = new RELNode();
node.Initialize(parent, map);
}
else if (Path.GetExtension(path).ToUpper().ToString() == ".DOL")
{
node = new DOLNode();
node.Initialize(parent, map);
}
else
{
node = FromSource(parent, new DataSource(map));
}
}
finally { if (node == null)
{
map.Dispose();
}
}
return(node);
}
//Parser commands must initialize the node before returning.
public unsafe static ResourceNode FromFile(ResourceNode parent, string path)
{
ResourceNode node = null;
FileMap map = FileMap.FromFile(path, FileMapProtect.Read);
try
{
DataSource source = new DataSource(map);
if (String.Equals(Path.GetExtension(path), ".mrg", StringComparison.OrdinalIgnoreCase) || String.Equals(Path.GetExtension(path), ".mrgc", StringComparison.OrdinalIgnoreCase))
{
node = new MRGNode();
if (Compressor.IsDataCompressed(source.Address, source.Length))
{
CompressionHeader *cmpr = (CompressionHeader *)source.Address;
source.Compression = cmpr->Algorithm;
if (Compressor.Supports(cmpr->Algorithm))
{
try
{
//Expand the whole resource and initialize
FileMap uncompMap = FileMap.FromTempFile(cmpr->ExpandedSize);
Compressor.Expand(cmpr, uncompMap.Address, uncompMap.Length);
node.Initialize(parent, source, new DataSource(uncompMap));
}
catch (InvalidCompressionException e) { MessageBox.Show(e.ToString()); }
}
else
{
node.Initialize(parent, source);
}
}
else
{
node.Initialize(parent, source);
}
}
else if (String.Equals(Path.GetExtension(path), ".rel", StringComparison.OrdinalIgnoreCase))
{
node = new RELNode();
node.Initialize(parent, map);
}
else if (String.Equals(Path.GetExtension(path), ".dol", StringComparison.OrdinalIgnoreCase))
{
node = new DOLNode();
node.Initialize(parent, map);
}
else if ((node = FromSource(parent, source)) == null)
{
//if (Compressor.IsDataCompressed(source.Address, source.Length))
//{
// CompressionHeader* cmpr = (CompressionHeader*)source.Address;
// if (!Compressor.Supports(cmpr->Algorithm))
// MessageBox.Show("File uses unsupported " + cmpr->Algorithm.ToString() + " compression.");
//}
}
}
finally { if (node == null)
{
map.Dispose();
}
}
return(node);
}
