|
public static AppendAttribute ( |
||
| parent | ||
| attrName | string | |
| attrVal | string | |
| return | void | |
private void MergeCustomGroups(XmlNode parentNode, XmlNodeList customGroupNodeList)
{
if (customGroupNodeList == null || customGroupNodeList.Count == 0)
{
return; // Stop recursing in this method.
}
foreach (XmlNode customGroupNode in customGroupNodeList)
{
string customGroupId = XmlUtils.GetManditoryAttributeValue(customGroupNode, "id");
XmlNode srcMatchingGroupNode = parentNode.SelectSingleNode("group[@id='" + customGroupId + "']");
if (srcMatchingGroupNode == null)
{
// Import the entire custom node.
m_document.DocumentElement.AppendChild(m_document.ImportNode(customGroupNode, true));
}
else
{
// 1. Import new strings, or override extant strings with custom strings.
foreach (XmlNode customStringNode in customGroupNode.SelectNodes("string"))
{
string customId = XmlUtils.GetManditoryAttributeValue(customStringNode, "id");
string customTxt = GetTxtAtributeValue(customStringNode);
XmlNode srcMatchingStringNode = srcMatchingGroupNode.SelectSingleNode("string[@id='" + customId + "']");
if (srcMatchingStringNode == null)
{
// Import the new string into the extant group.
srcMatchingGroupNode.AppendChild(m_document.ImportNode(customStringNode, true));
}
else
{
// Replace the original value with the new value.
// The 'txt' attribute is optional, but it will be added as a cpoy of the 'id' here, if needed.
string srcTxt = XmlUtils.GetOptionalAttributeValue(srcMatchingStringNode, "txt");
if (srcTxt == null)
{
XmlUtils.AppendAttribute(srcMatchingStringNode, "txt", customTxt);
}
else
{
srcMatchingStringNode.Attributes["txt"].Value = customTxt;
}
}
}
// 2. Group elements can be nested, so merge them, too.
MergeCustomGroups(srcMatchingGroupNode, customGroupNode.SelectNodes("group"));
}
}
}