/// <summary>
/// Parse the specified bulletNodeElement.
/// Read all the data from the xml node into this dude.
/// </summary>
/// <param name="bulletNodeElement">Bullet node element.</param>
public bool Parse(XmlNode bulletNodeElement, BulletMLNode parentNode)
{
Debug.Assert(null != bulletNodeElement);
//grab the parent node
Parent = parentNode;
//get the node type
Name = BulletMLNode.StringToName(bulletNodeElement.Name);
//Parse all our attributes
XmlNamedNodeMap mapAttributes = bulletNodeElement.Attributes;
for (int i = 0; i < mapAttributes.Count; i++)
{
string strName = mapAttributes.Item(i).Name;
string strValue = mapAttributes.Item(i).Value;
if ("type" == strName)
{
//skip the type attribute in top level nodes
if (ENodeName.bulletml == Name)
{
continue;
}
//get the bullet node type
NodeType = BulletMLNode.StringToType(strValue);
}
else if ("label" == strName)
{
//label is just a text value
Label = strValue;
}
}
//parse all the child nodes
if (bulletNodeElement.HasChildNodes)
{
for (XmlNode childNode = bulletNodeElement.FirstChild;
null != childNode;
childNode = childNode.NextSibling)
{
//if the child node is a text node, parse it into this dude
if (XmlNodeType.Text == childNode.NodeType)
{
//Get the text of the child xml node, but store it in THIS bullet node
NodeEquation.Parse(childNode.Value);
continue;
}
//create a new node
BulletMLNode childBulletNode = new BulletMLNode();
//read in the node
if (!childBulletNode.Parse(childNode, this))
{
return(false);
}
//store the node
ChildNodes.Add(childBulletNode);
}
}
return(true);
}
/// <summary>
/// Parses a bulletml document into this bullet pattern
/// </summary>
/// <param name="xmlFileName">Xml file name.</param>
public bool ParseXML(string xmlFileName)
{
XmlReaderSettings settings = new XmlReaderSettings();
settings.DtdProcessing = DtdProcessing.Ignore;
using (XmlReader reader = XmlReader.Create(xmlFileName, settings))
{
//Open the file.
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(reader);
XmlNode rootXmlNode = xmlDoc.DocumentElement;
//make sure it is actually an xml node
if (rootXmlNode.NodeType == XmlNodeType.Element)
{
//eat up the name of that xml node
string strElementName = rootXmlNode.Name;
if (("bulletml" != strElementName) || !rootXmlNode.HasChildNodes)
{
//The first node HAS to be bulletml
Debug.Assert(false);
return(false);
}
//Create the root node of the bulletml tree
RootNode = new BulletMLNode();
//Read in the whole bulletml tree
if (!RootNode.Parse(rootXmlNode, null))
{
//an error ocurred reading in the tree
return(false);
}
Debug.Assert(ENodeName.bulletml == RootNode.Name);
//Find what kind of pattern this is: horizontal or vertical
XmlNamedNodeMap mapAttributes = rootXmlNode.Attributes;
for (int i = 0; i < mapAttributes.Count; i++)
{
//will only have the name attribute
string strName = mapAttributes.Item(i).Name;
string strValue = mapAttributes.Item(i).Value;
if ("type" == strName)
{
//if this is a top level node, "type" will be veritcal or horizontal
Orientation = StringToPatternType(strValue);
}
}
}
else
{
//should be an xml node!!!
Debug.Assert(false);
return(false);
}
}
//grab that filename
Filename = xmlFileName;
return(true);
}