public static SGFTree LoadFromStream(Stream baseStream)
{
var stream = new StreamReader(
baseStream,
DefaultEncodingConfiguration);
SGFTree tree = null;
try
{
var loader = new SgfReader(stream);
if (loader.ReadUntil('(') == '(')
{
tree = new SGFTree();
if (!loader.ReadTree(tree))
{
tree = null;
}
}
}
finally
{
stream.Close();
}
if (tree != null)
{
return(tree);
}
throw new Exception("Couldn't load sgf from stream");
}
private static IEnumerable <SGFTree> LoadAndParse(string path, List <int> index)
{
if (File.Exists(path))
{
var stream = new StreamReader(
File.OpenRead(path),
DefaultEncodingConfiguration);
try
{
var loader = new SgfReader(stream);
if (index == null)
{
while (loader.ReadUntil('(') == '(')
{
var tree = new SGFTree();
if (loader.ReadTree(tree))
{
yield return(tree);
}
}
}
else
{
while (index.Count > 0)
{
stream.BaseStream.Seek(index[0], SeekOrigin.Begin);
stream.DiscardBufferedData();
index.RemoveAt(0);
loader.ReadUntil('(');
var tree = new SGFTree();
if (loader.ReadTree(tree))
{
yield return(tree);
}
}
}
}
finally
{
stream.Close();
}
}
}
public static SGFTree LoadAndParseSingle(string path)
{
if (File.Exists(path))
{
var stream = new StreamReader(
File.OpenRead(path),
DefaultEncodingConfiguration);
SGFTree tree = null;
try
{
var loader = new SgfReader(stream);
if (loader.ReadUntil('(') == '(')
{
tree = new SGFTree();
if (!loader.ReadTree(tree))
{
tree = null;
}
}
}
finally
{
stream.Close();
}
if (tree != null)
{
return(tree);
}
throw new Exception("Couldn't load sgf from " + path);
}
throw new Exception("Couldn't open " + path);
}