|
public static GetXMLField ( string input, string fieldName, string>.Dictionary |
||
| input | string | |
| fieldName | string | |
| propertiesAndValues | string>.Dictionary | |
| fieldData | string | |
| leftoverInput | string | |
| return | bool | |
// Creates an event from an XML-formatted description. xmlDescription is modified as part of the constructor. The
// first VREvent described <VREvent>...</VREvent> is popped off the string and xmlDescription is set to whatever
// remains in the string.
public VREvent(ref string xmlDescription)
{
Dictionary <string, string> props = new Dictionary <string, string>();
string xmlDataIndex = string.Empty;
string xmlRemaining = string.Empty;
bool success = XMLUtils.GetXMLField(xmlDescription, "VREvent", ref props, ref xmlDataIndex, ref xmlRemaining);
if (!success)
{
Debug.Log("Error decoding VREvent");
return;
}
_name = props["name"];
_dataIndex = new VRDataIndex(ref xmlDataIndex);
xmlDescription = xmlRemaining;
}
void WaitForAndReceiveInputEvents(ref List <VREvent> inputEvents)
{
// 1. receive 1-byte message header
WaitForAndReceiveMessageHeader(INPUT_EVENTS_MSG);
// 2. receive int that tells us the size of the data portion of the message in bytes
Int32 dataSize = ReadInt32();
// 3. receive dataSize bytes, then decode these as InputEvents
byte[] buf2 = new byte[dataSize + 1];
int status = ReceiveAll(ref buf2, dataSize);
if (status == -1)
{
Console.WriteLine("WaitForAndReceiveInputEvents error reading data");
return;
}
buf2[dataSize] = 0;
// buf2 is the XML string that contains all the events.
string xmlEventList = System.Text.Encoding.UTF8.GetString(buf2);
//Debug.Log(xmlEventList);
Dictionary <string, string> props = new Dictionary <string, string>();
string xmlEvents = string.Empty;
string leftover = string.Empty;
bool success = XMLUtils.GetXMLField(xmlEventList, "VREventList", ref props, ref xmlEvents, ref leftover);
if (!success)
{
Debug.Log("Error decoding VREventList");
return;
}
int nEvents = Convert.ToInt32(props["num"]);
for (int i = 0; i < nEvents; i++)
{
// Create the next VREvent from the XML description
VREvent e = new VREvent(ref xmlEvents);
inputEvents.Add(e);
}
}
// Creates a VREvent from an XML-formatted description. xmlDescription is modified as part of the constructor.
// Following the current C++ implementation of MinVR, events are serialized in an XML defined by the C++
// VRDataIndex class. This constructor pops the first <MyEventName>...</MyEventName> field off of xmlDescription
// to create the event and xmlDescription is set to whatever remains in the string.
public VREvent(ref string xmlDescription)
{
// TODO 1: It might be faster to use C#'s XMLReader object to parse the XML. The XMLUtils class
// was never intended to be used during the rendering loop, just for config files.
// TODO 2: It might be even faster to convert the entire serialization scheme to use binary!
_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);
AddData(nextField, Convert.ToInt32(datumValue));
}
else if (props["type"] == "float")
{
//Debug.Log ("Got float: " + nextField + "=" + datumValue);
AddData(nextField, Convert.ToSingle(datumValue));
}
else if (props["type"] == "string")
{
//Debug.Log ("Got string: " + nextField + "=" + datumValue);
AddData(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]);
}
AddData(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]);
}
AddData(nextField, floatarray);
}
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];
}
AddData(nextField, strarray);
}
else
{
Debug.Log("Unknown VRDatum type: " + props["type"]);
}
xmlData = xmlDataRemaining;
nextField = XMLUtils.GetNextXMLFieldName(xmlData);
}
xmlDescription = xmlRemaining;
}
// 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;
}
