// Init
#endregion
#region GetNodeString
/// <summary>
/// Get the string value from the xml node
/// </summary>
/// <param name="xmlNode"></param>
/// <param name="node"></param>
/// <param name="key"></param>
/// <returns></returns>
private string GetNodeString(XMLNode xmlNode, string node, string key)
{
XMLNode tempNode = xmlNode.GetNode(node);
return(((tempNode != null) && (tempNode.ContainsKey(key))) ?
tempNode[key].ToString() :
null);
}
// GetNodeString
#endregion
#region GetNestedNodeString
/// <summary>
/// Get the string value from the xml node
/// </summary>
/// <param name="xmlNode"></param>
/// <param name="key"></param>
/// <param name="nodeChild"></param>
/// <param name="nodeRoot"></param>
/// <returns></returns>
private string GetNestedNodeString(XMLNode xmlNode, string nodeRoot, string nodeChild, string key)
{
// exit if no nested node
if (xmlNode.GetNode(nodeRoot) == null)
{
return(null);
}
XMLNode tempNode = xmlNode.GetNode(nodeRoot).GetNode(nodeChild);
return(((tempNode != null) && (tempNode.ContainsKey(key))) ?
tempNode[key].ToString() :
null);
}
public static XMLNode Parse(string content)
{
// Set up variables
bool inMetaTag = false;
bool inComment = false;
bool inCDATA = false;
bool inElement = false;
bool collectNodeName = false;
bool collectAttributeName = false;
bool collectAttributeValue = false;
bool quoted = false;
string attName = "";
string attValue = "";
string nodeName = "";
string textValue = "";
//string nodeContents = "";
XMLNodeList parents = new XMLNodeList();
XMLNode rootNode = new XMLNode();
rootNode["_text"] = "";
XMLNode currentNode = rootNode;
// Process Input
for (int i = 0; i < content.Length; i++)
{
// Store current and nearby characters
char c, cn, cnn, cp;
cn = cnn = cp = '\x00';
c = content[i];
if ((i + 1) < content.Length)
{
cn = content[i + 1];
}
if ((i + 2) < content.Length)
{
cnn = content[i + 2];
}
if (i > 0)
{
cp = content[i - 1];
}
// Process Meta Tag information
if (inMetaTag)
{
if (c == QMARK && cn == GT) // End of Meta Tag
{
inMetaTag = false;
i++;
}
continue;
}
else
{
if (!quoted && c == LT && cn == QMARK) // Start of Meta Tag
{
inMetaTag = true;
continue;
}
}
// Process Comment information
if (inComment)
{
if (cp == DASH && c == DASH && cn == GT) // End of comment
{
inComment = false;
i++;
}
continue;
}
else
{
if (!quoted && c == LT && cn == EXCLAMATION) // Start of comment or CDATA
{
if (content.Length > (i + 9) && content.Substring(i, 9) == "<![CDATA[")
{
inCDATA = true;
i += 8;
}
else
{
inComment = true;
}
continue;
}
}
// Process CDATA information
if (inCDATA)
{
if (c == SQR && cn == SQR && cnn == GT)
{
inCDATA = false;
i += 2;
continue;
}
textValue += c;
continue;
}
// Process Elements
if (inElement)
{
if (collectNodeName)
{
if (c == SPACE)
{
collectNodeName = false;
}
else if (c == GT)
{
collectNodeName = false;
inElement = false;
}
if (!collectNodeName && nodeName.Length > 0)
{
if (nodeName[0] == SLASH)
{
// close tag
if (textValue.Length > 0)
{
currentNode["_text"] += textValue;
}
textValue = "";
nodeName = "";
currentNode = parents.Pop();
}
else
{
if (textValue.Length > 0)
{
currentNode["_text"] += textValue;
}
textValue = "";
XMLNode newNode = new XMLNode();
newNode["_text"] = "";
newNode["_name"] = nodeName;
if (!currentNode.ContainsKey(nodeName))
{
currentNode[nodeName] = new XMLNodeList();
}
XMLNodeList a = currentNode[nodeName] as XMLNodeList;
a.Push(newNode);
parents.Push(currentNode);
currentNode = newNode;
nodeName = "";
}
}
else
{
nodeName += c;
}
}
else
{
if (!quoted && c == SLASH && cn == GT)
{
inElement = false;
collectAttributeName = false;
collectAttributeValue = false;
if (attName != "")
{
if (attValue != "")
{
currentNode["@" + attName] = attValue;
}
else
{
currentNode["@" + attName] = true;
}
}
i++;
currentNode = parents.Pop();
attName = "";
attValue = "";
}
else if (!quoted && c == GT)
{
inElement = false;
collectAttributeName = false;
collectAttributeValue = false;
if (attName != "")
{
currentNode["@" + attName] = attValue;
}
attName = "";
attValue = "";
}
else
{
if (collectAttributeName)
{
if (c == SPACE || c == EQUALS)
{
collectAttributeName = false;
collectAttributeValue = true;
}
else
{
attName += c;
}
}
else if (collectAttributeValue)
{
if (c == QUOTE)
{
if (quoted)
{
collectAttributeValue = false;
currentNode["@" + attName] = attValue;
attValue = "";
attName = "";
quoted = false;
}
else
{
quoted = true;
}
}
else
{
if (quoted)
{
attValue += c;
}
else
{
if (c == SPACE)
{
collectAttributeValue = false;
currentNode["@" + attName] = attValue;
attValue = "";
attName = "";
}
}
}
}
else if (c == SPACE)
{
}
else
{
collectAttributeName = true;
attName = "" + c;
attValue = "";
quoted = false;
}
}
}
}
else
{
if (c == LT) // Start of new element
{
inElement = true;
collectNodeName = true;
}
else
{
textValue += c; // text between elements
}
}
}
return(rootNode);
}