public void FromString(string str)
{
switch (this.type)
{
case DataType.DT_None:
// This is a null type, cannot have a value
break;
case DataType.DT_Byte:
value = Convert.ToByte(str);
break;
case DataType.DT_Short:
value = Convert.ToInt16(str);
break;
case DataType.DT_UShort:
value = Convert.ToUInt16(str);
break;
case DataType.DT_Int:
value = Convert.ToInt32(str);
break;
case DataType.DT_UInt:
value = Convert.ToUInt32(str);
break;
case DataType.DT_Float:
value = Convert.ToSingle(str);
break;
case DataType.DT_Double:
value = Convert.ToDouble(str);
break;
case DataType.DT_IVec2:
case DataType.DT_IVec3:
case DataType.DT_IVec4:
{
string[] nums = str.Split(' ');
int length = GetColumns();
if (length != nums.Length)
throw new FormatException(String.Format("A vector of length {0} was expected, got {1}", length, nums.Length));
int[] vec = new int[length];
for (int i = 0; i < length; i++)
vec[i] = int.Parse(nums[i]);
value = vec;
break;
}
case DataType.DT_Vec2:
case DataType.DT_Vec3:
case DataType.DT_Vec4:
{
string[] nums = str.Split(' ');
int length = GetColumns();
if (length != nums.Length)
throw new FormatException(String.Format("A vector of length {0} was expected, got {1}", length, nums.Length));
float[] vec = new float[length];
for (int i = 0; i < length; i++)
vec[i] = float.Parse(nums[i]);
value = vec;
break;
}
case DataType.DT_Mat2:
case DataType.DT_Mat3:
case DataType.DT_Mat3x4:
case DataType.DT_Mat4x3:
case DataType.DT_Mat4:
var mat = Matrix.Parse(str);
if (mat.cols != GetColumns() || mat.rows != GetRows())
throw new FormatException("Invalid column/row count for matrix");
value = mat;
break;
case DataType.DT_Bool:
if (str == "0") value = false;
else if (str == "1") value = true;
else value = Convert.ToBoolean(str);
break;
case DataType.DT_String:
case DataType.DT_Path:
case DataType.DT_FixedString:
case DataType.DT_LSString:
case DataType.DT_WString:
case DataType.DT_LSWString:
value = str;
break;
case DataType.DT_TranslatedString:
// We'll only set the value part of the translated string, not the TranslatedStringKey / Handle part
// That can be changed separately via attribute.Value.Handle
if (value == null)
value = new TranslatedString();
((TranslatedString)value).Value = str;
break;
case DataType.DT_ULongLong:
value = Convert.ToUInt64(str);
break;
case DataType.DT_ScratchBuffer:
value = Convert.FromBase64String(str);
break;
case DataType.DT_Long:
value = Convert.ToInt64(str);
break;
case DataType.DT_Int8:
value = Convert.ToSByte(str);
break;
default:
// This should not happen!
throw new NotImplementedException(String.Format("FromString() not implemented for type {0}", this.type));
}
}
} public Resource Read()
{
using (this.reader = XmlReader.Create(stream))
{
Resource rsrc = new Resource();
Region currentRegion = null;
List <Node> stack = new List <Node>();
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.Element)
{
switch (reader.Name)
{
case "save":
// Root element
if (stack.Count() > 0)
{
throw new InvalidFormatException("Node <save> was unexpected.");
}
break;
case "header":
// LSX metadata part 1
rsrc.Metadata.Timestamp = Convert.ToUInt64(reader["time"]);
break;
case "version":
// LSX metadata part 2
rsrc.Metadata.MajorVersion = Convert.ToUInt32(reader["major"]);
rsrc.Metadata.MinorVersion = Convert.ToUInt32(reader["minor"]);
rsrc.Metadata.Revision = Convert.ToUInt32(reader["revision"]);
rsrc.Metadata.BuildNumber = Convert.ToUInt32(reader["build"]);
Version = rsrc.Metadata.MajorVersion;
break;
case "region":
if (currentRegion != null)
{
throw new InvalidFormatException("A <region> can only start at the root level of a resource.");
}
Debug.Assert(!reader.IsEmptyElement);
var region = new Region();
region.RegionName = reader["id"];
Debug.Assert(region.RegionName != null);
rsrc.Regions.Add(region.RegionName, region);
currentRegion = region;
break;
case "node":
if (currentRegion == null)
{
throw new InvalidFormatException("A <node> must be located inside a region.");
}
Node node;
if (stack.Count() == 0)
{
// The node is the root node of the region
node = currentRegion;
}
else
{
// New node under the current parent
node = new Node();
node.Parent = stack.Last();
}
node.Name = reader["id"];
Debug.Assert(node.Name != null);
if (node.Parent != null)
{
node.Parent.AppendChild(node);
}
if (!reader.IsEmptyElement)
{
stack.Add(node);
}
break;
case "attribute":
UInt32 attrTypeId;
if (Version >= 4)
{
attrTypeId = (uint)TypeNames[reader["type"]];
}
else
{
attrTypeId = Convert.ToUInt32(reader["type"]);
}
var attrName = reader["id"];
if (attrTypeId > (int)NodeAttribute.DataType.DT_Max)
{
throw new InvalidFormatException(String.Format("Unsupported attribute data type: {0}", attrTypeId));
}
Debug.Assert(attrName != null);
var attr = new NodeAttribute((NodeAttribute.DataType)attrTypeId);
var attrValue = reader["value"];
if (attrValue != null)
{
attr.FromString(attrValue);
}
if (attr.Type == NodeAttribute.DataType.DT_TranslatedString)
{
if (attr.Value == null)
{
attr.Value = new TranslatedString();
}
var ts = ((TranslatedString)attr.Value);
ts.Handle = reader["handle"];
Debug.Assert(ts.Handle != null);
if (attrValue == null)
{
ts.Version = UInt16.Parse(reader["version"]);
}
}
else if (attr.Type == NodeAttribute.DataType.DT_TranslatedFSString)
{
var fs = ((TranslatedFSString)attr.Value);
ReadTranslatedFSString(fs);
}
stack.Last().Attributes.Add(attrName, attr);
break;
case "children":
// Child nodes are handled in the "node" case
break;
default:
throw new InvalidFormatException(String.Format("Unknown element encountered: {0}", reader.Name));
}
}
else if (reader.NodeType == XmlNodeType.EndElement)
{
switch (reader.Name)
{
case "save":
case "header":
case "version":
case "attribute":
case "children":
// These elements don't change the stack, just discard them
break;
case "region":
Debug.Assert(stack.Count == 0);
Debug.Assert(currentRegion != null);
Debug.Assert(currentRegion.Name != null);
currentRegion = null;
break;
case "node":
stack.RemoveAt(stack.Count - 1);
break;
default:
throw new InvalidFormatException(String.Format("Unknown element encountered: {0}", reader.Name));
}
}
}
return(rsrc);
}
}
