public static CPackage *ConvertToCPackage(
this NativeEnvironment e,
Core.Package.Package package)
{
var pkg = e.AllocateStruct <CPackage>();
pkg->magic = e.ToCString(package.Magic);
pkg->header_size = package.HeaderSize;
pkg->entry_count = package.Entries.Count;
if (package.Entries.Count == 0)
{
pkg->entries = null;
return(pkg);
}
var entryArray = e.AllocateStructArray <CPackageEntry>(package.Entries.Count);
for (var i = 0; i < package.Entries.Count; i++)
{
ConvertCPackageEntry(e, package.Entries[i], &entryArray[i]);
}
pkg->entries = entryArray;
return(pkg);
}
public Core.Package.Package ReadFrom(BinaryReader reader)
{
if (reader == null)
{
throw new ArgumentNullException(nameof(reader));
}
var packageStart = reader.BaseStream.Position;
var package = new Core.Package.Package
{
Magic = reader.ReadStringI32Size(maxLength: 32)
};
ReadEntries(package.Entries, reader);
var dataStart = (int)reader.BaseStream.Position;
package.HeaderSize = (int)(dataStart - packageStart);
if (!ReadEntryBytes)
{
return(package);
}
PopulateEntriesWithData(dataStart, package.Entries, reader);
return(package);
}
public Core.Package.Package ReadFromStream(Stream stream)
{
using (var reader = new BinaryReader(stream, Encoding.UTF8, true))
{
var packageStart = stream.Position;
var package = new Core.Package.Package
{
Magic = reader.ReadStringI32Size(32)
};
ReadEntries(package.Entries, reader);
var dataStart = (int)stream.Position;
package.HeaderSize = (int)(dataStart - packageStart);
if (!ReadEntryBytes)
{
return(package);
}
PopulateEntriesWithData(dataStart, package.Entries, reader);
return(package);
}
}
public void WriteTo(BinaryWriter writer, Core.Package.Package package)
{
if (package == null)
{
throw new ArgumentNullException(nameof(package));
}
if (writer == null)
{
throw new ArgumentNullException(nameof(writer));
}
if (package.Entries.Count == 0)
{
throw new Exception("Package entries is empty");
}
writer.WriteStringI32Size(package.Magic);
WriteEntriesHeader(package.Entries, writer);
WriteBody(package.Entries, writer);
}
