private FlowParser(string xmlPath, Version currentVersion)
{
TextAsset flowFile = Resources.Load<TextAsset>(xmlPath);
if (flowFile != null)
{
string error = string.Empty;
XDocument doc = XDocument.Parse(flowFile.text);
m_XML = doc;
Version fileVersion = ParseVersion();
if (fileVersion == INVALID_VERSION)
{
Services.Logger.LogWithCategory(LoggerConstants.FLOW_CATEGORY, LogType.Error, "FLow XML at path {0}'s version is invalid. Either you haven't specified it or something is wrong!", xmlPath);
return;
}
else if (fileVersion < currentVersion)
{
Services.Logger.LogWithCategory(LoggerConstants.FLOW_CATEGORY, LogType.Warning, "Flow XML at path {0}'s version is smaller then the currently supported version. Right now there's no different parsing for older versions but eventually we'll put backwards compatibility.", xmlPath);
}
else if (fileVersion > currentVersion)
{
Services.Logger.LogWithCategory(LoggerConstants.FLOW_CATEGORY, LogType.Error, "FLow XML at path {0}'s version is bigger then the currently supported version. Either this game is out of date for this file or something is really wrong.", xmlPath);
return;
}
m_GeneralInformation = ParseInfo(ref error);
if (!string.IsNullOrEmpty(error))
{
throw new Exception(string.Format("An error happened while parsing the XML: {0}", error));
}
m_GeneralActions = ParseGeneralActions(ref error);
if (!string.IsNullOrEmpty(error))
{
throw new Exception(string.Format("An error happened while parsing the XML: {0}", error));
}
m_Views = ParseViews(ref error);
if (!string.IsNullOrEmpty(error))
{
throw new Exception(string.Format("An error happened while parsing the XML: {0}", error));
}
}
else
{
Services.Logger.LogWithCategory(LoggerConstants.FLOW_CATEGORY, LogType.Error, "No XML file found at {0}.", xmlPath);
}
}
/// <summary>
/// Parses the general information out of the XML file.
/// </summary>
/// <param name="error">String that is set if an error happens.</param>
/// <returns>Parsed information.</returns>
protected GeneralInformation ParseInfo(ref string error)
{
GeneralInformation info = new GeneralInformation(FlowManager.DEFAULT_STARTING_VIEW, FlowManager.DEFAULT_MODAL_DEPTH_OFFSET, FlowManager.DEFAULT_MODAL_CANVAS_OFFSET);
XElement infoElement = m_XML.Root.Element(INFO_ELEMENT_KEY);
if (infoElement != null && infoElement.HasAttributes)
{
XAttribute curAttribute = infoElement.Attribute(STARTING_VIEW_ATTRIBUTE_KEY);
if (curAttribute != null)
{
info.StartingView = curAttribute.Value;
}
else
{
error = string.Format("{0} does not contain the attribute {1}. Invalid XML element.", INFO_ELEMENT_KEY, STARTING_VIEW_ATTRIBUTE_KEY);
return info;
}
curAttribute = infoElement.Attribute(MODAL_DEPTH_OFFSET_ATTRIBUTE_KEY);
if (curAttribute != null)
{
info.ModalDepthOffset = System.Convert.ToInt32(curAttribute.Value);
}
curAttribute = infoElement.Attribute(OVERLAY_PREFAB_PATH_ATTRIBUTE_KEY);
if (curAttribute != null)
{
info.OverlayPrefabPath = curAttribute.Value;
}
curAttribute = infoElement.Attribute(MODAL_CANVAS_OFFSET_ATTRIBUTE_KEY);
if (curAttribute != null)
{
info.ModalCanvasOffset = System.Convert.ToInt32(curAttribute.Value);
}
}
else
{
error = INFO_ELEMENT_KEY + " element in the XML is invalid.";
return info;
}
return info;
}