ParseGraphMLAttributeDefinitions
(
XmlNode oGraphMLXmlNode,
XmlNamespaceManager oXmlNamespaceManager
)
{
Debug.Assert(oGraphMLXmlNode != null);
Debug.Assert(oXmlNamespaceManager != null);
AssertValid();
Dictionary <String, GraphMLAttribute> oGraphMLAttributeDictionary =
new Dictionary <String, GraphMLAttribute>();
// Read the GraphML-attribute nodes.
foreach (XmlNode oKeyXmlNode in oGraphMLXmlNode.SelectNodes(
GraphMLPrefix + ":key[@for='node' or @for='edge']",
oXmlNamespaceManager))
{
GraphMLAttribute oGraphMLAttribute =
new GraphMLAttribute(oKeyXmlNode, oXmlNamespaceManager,
GraphMLPrefix);
String sID = oGraphMLAttribute.ID;
try
{
oGraphMLAttributeDictionary.Add(sID, oGraphMLAttribute);
}
catch (ArgumentException)
{
throw new XmlException(
"The key id \"" + sID + "\" exists for two keys. Key id"
+ " values must be unique."
);
}
}
return(oGraphMLAttributeDictionary);
}
//*************************************************************************
// Method: ParseGraphMLAttributeDefinitions()
//
/// <summary>
/// Parses the GraphML vertex and edge attribute definitions.
/// </summary>
///
/// <param name="oGraphMLXmlNode">
/// "graphml" XML node.
/// </param>
///
/// <param name="oXmlNamespaceManager">
/// XML namespace manager.
/// </param>
///
/// <returns>
/// The key is the id attribute of a "key" XML node, and the value is the
/// corresponding GraphMLAttribute object.
/// </returns>
///
/// <remarks>
/// For each "key" XML node, a <see cref="GraphMLAttribute" /> object is
/// created and added to the returned dictionary.
/// </remarks>
//*************************************************************************
protected Dictionary<String, GraphMLAttribute> ParseGraphMLAttributeDefinitions(
XmlNode oGraphMLXmlNode,
XmlNamespaceManager oXmlNamespaceManager
)
{
Debug.Assert(oGraphMLXmlNode != null);
Debug.Assert(oXmlNamespaceManager != null);
AssertValid();
Dictionary<String, GraphMLAttribute> oGraphMLAttributeDictionary =
new Dictionary<String, GraphMLAttribute>();
// Read the GraphML-attribute nodes.
foreach ( XmlNode oKeyXmlNode in oGraphMLXmlNode.SelectNodes(
GraphMLPrefix + ":key[@for='node' or @for='edge']",
oXmlNamespaceManager) )
{
GraphMLAttribute oGraphMLAttribute =
new GraphMLAttribute(oKeyXmlNode, oXmlNamespaceManager,
GraphMLPrefix);
String sID = oGraphMLAttribute.ID;
try
{
oGraphMLAttributeDictionary.Add(sID, oGraphMLAttribute);
}
catch (ArgumentException)
{
throw new XmlException(
"The key id \"" + sID + "\" exists for two keys. Key id"
+ " values must be unique."
);
}
}
return (oGraphMLAttributeDictionary);
}