/// <summary>
/// Saves the given root element to the given stream as AXML.
/// </summary>
/// <param name="stream">Stream to save to</param>
/// <param name="rootElement">Root element of the document</param>
public static void SaveDocument(Stream stream, AxmlElement rootElement)
{
BinaryWriter mainOutput = new BinaryWriter(stream);
// Write the main elements chunk of the file to a MemoryStream first
SavingContext ctx = new SavingContext();
rootElement.PrepareResourceIndices(ctx);
rootElement.Save(ctx);
MemoryStream mainChunkStream = (MemoryStream)ctx.Writer.BaseStream;
string[] stringPool = ctx.StringPool.Save();
int[] resourcePool = ctx.ResourcePool.Save();
int stringPoolLength = StringPool.CalculatePoolLength(stringPool);
int stringPoolPadding = 4 - stringPoolLength % 4;
stringPoolLength += stringPoolPadding; // Add padding to four bytes
int resourcePoolLength = resourcePool.Length * 4; // Each pool item is an integer
// The length of the main xml tag is that of the whole file, so also including the string pool, resource pool, and main chunk. (+ extra 8 + 8 = 16 bytes for string pool and resource pool header)
mainOutput.WriteChunkHeader(ResourceType.Xml, stringPoolLength + resourcePoolLength + (int)mainChunkStream.Position + 16);
mainOutput.WriteChunkHeader(ResourceType.StringPool, stringPoolLength);
StringPool.SaveStringPool(stringPool, mainOutput);
for (int i = 0; i < stringPoolPadding; i++)
{
mainOutput.Write((byte)0);
}
mainOutput.WriteChunkHeader(ResourceType.XmlResourceMap, resourcePoolLength);
foreach (int resource in resourcePool)
{
mainOutput.Write(resource);
}
// Save the main chunk of the file
mainChunkStream.Position = 0;
mainChunkStream.CopyTo(stream);
}
