// Creates a VRDataIndex from an XML-formatted description. xmlDescription is modified as part of the constructor. The
// first VRDataIndex described <VRDataIndex>...</VRDataIndex> is popped off the string and xmlDescription is set to whatever
// remains in the string.
public VRDataIndex(ref string xmlDescription)
{
_hash = new Hashtable();
_name = XMLUtils.GetNextXMLFieldName(xmlDescription);
Dictionary <string, string> props = new Dictionary <string, string>();
string xmlData = string.Empty;
string xmlRemaining = string.Empty;
bool success = XMLUtils.GetXMLField(xmlDescription, _name, ref props, ref xmlData, ref xmlRemaining);
if (!success)
{
Debug.Log("Error decoding VRDataIndex");
return;
}
string nextField = XMLUtils.GetNextXMLFieldName(xmlData);
while (nextField != string.Empty)
{
string datumValue = string.Empty;
string xmlDataRemaining = string.Empty;
success = XMLUtils.GetXMLField(xmlData, nextField, ref props, ref datumValue, ref xmlDataRemaining);
if (!success)
{
Debug.Log("Error decoding VRDatum named " + nextField);
return;
}
char[] separatingChars = { ',' };
if (props["type"] == "int")
{
//Debug.Log ("Got int: " + nextField + "=" + datumValue);
_hash.Add(nextField, Convert.ToInt32(datumValue));
}
else if (props["type"] == "float")
{
//Debug.Log ("Got float: " + nextField + "=" + datumValue);
_hash.Add(nextField, Convert.ToSingle(datumValue));
}
else if (props["type"] == "double")
{
//Debug.Log ("Got double: " + nextField + "=" + datumValue);
_hash.Add(nextField, Convert.ToDouble(datumValue));
}
else if (props["type"] == "string")
{
//Debug.Log ("Got string: " + nextField + "=" + datumValue);
_hash.Add(nextField, datumValue);
}
else if (props["type"] == "intarray")
{
//Debug.Log ("Got intarray: " + nextField + "=" + datumValue);
string[] elements = datumValue.Split(separatingChars, System.StringSplitOptions.RemoveEmptyEntries);
int[] intarray = new int[elements.Length];
for (int i = 0; i < elements.Length; i++)
{
intarray[i] = Convert.ToInt32(elements[i]);
}
_hash.Add(nextField, intarray);
}
else if (props["type"] == "floatarray")
{
//Debug.Log ("Got floatarray: " + nextField + "=" + datumValue);
string[] elements = datumValue.Split(separatingChars, System.StringSplitOptions.RemoveEmptyEntries);
float[] floatarray = new float[elements.Length];
for (int i = 0; i < elements.Length; i++)
{
floatarray[i] = Convert.ToSingle(elements[i]);
}
_hash.Add(nextField, floatarray);
}
else if (props["type"] == "doublearray")
{
//Debug.Log ("Got doublearray: " + nextField + "=" + datumValue);
string[] elements = datumValue.Split(separatingChars, System.StringSplitOptions.RemoveEmptyEntries);
double[] doublearray = new double[elements.Length];
for (int i = 0; i < elements.Length; i++)
{
doublearray[i] = Convert.ToDouble(elements[i]);
}
_hash.Add(nextField, doublearray);
}
else if (props["type"] == "stringarray")
{
//Debug.Log ("Got stringarray: " + nextField + "=" + datumValue);
string[] elements = datumValue.Split(separatingChars, System.StringSplitOptions.RemoveEmptyEntries);
string[] strarray = new string[elements.Length];
for (int i = 0; i < elements.Length; i++)
{
strarray[i] = elements[i];
}
_hash.Add(nextField, strarray);
}
else
{
Debug.Log("Unknown VRDatum type: " + props["type"]);
}
xmlData = xmlDataRemaining;
nextField = XMLUtils.GetNextXMLFieldName(xmlData);
}
xmlDescription = xmlRemaining;
}
public string DataToXML(string name)
{
Dictionary <string, string> props = new Dictionary <string, string>();
string fieldData = string.Empty;
char separatingChar = ',';
Type valueType = _hash[name].GetType();
if (valueType.IsArray) // array type
// properties and values
// returns if it is an unkown type.
{
if (valueType == typeof(int[]))
{
props.Add("type", "intarray");
}
else if (valueType == typeof(float[]))
{
props.Add("type", "floatarray");
}
else if (valueType == typeof(double[]))
{
props.Add("type", "doublearray");
}
else if (valueType == typeof(string[]))
{
props.Add("type", "stringarray");
}
else // returns if it is an unkown type.
{
Debug.LogWarning("Unknown type: " + valueType.ToString());
return("");
}
// field data
IEnumerable enumerable = _hash[name] as IEnumerable;
if (enumerable != null)
{
bool hasRan = false;
foreach (object element in enumerable)
{
fieldData += element.ToString() + separatingChar;
hasRan = true;
}
if (hasRan) // if the for-loop has ran at least once, trim the last char.
{
fieldData.TrimEnd(separatingChar);
}
}
else
{
Debug.LogWarning("Not enumerable value: " + _hash[name].ToString());
return("");
}
}
else // non-array type
// properties and values, field data
// returns if it is an unkown type.
{
if (valueType == typeof(int))
{
props.Add("type", "int");
fieldData = GetValueAsInt(name).ToString();
}
else if (valueType == typeof(float))
{
props.Add("type", "float");
fieldData = GetValueAsFloat(name).ToString();
}
else if (valueType == typeof(double))
{
props.Add("type", "double");
fieldData = GetValueAsDouble(name).ToString();
}
else if (valueType == typeof(string))
{
props.Add("type", "string");
fieldData = GetValueAsString(name);
}
else // returns if it is an unkown type.
{
Debug.LogWarning("Unknown type: " + valueType.ToString());
return("");
}
}
return(XMLUtils.WriteXMLField(name, props, fieldData));
}
