public virtual String ApplyTemplates(DvslNode node)
{
StringWriter sw = new StringWriter();
Invoke(node, sw);
return(sw.ToString());
}
/// <summary>
/// retrieves value for key from internal storage
/// </summary>
/// <param name="key">name of value to get</param>
/// <returns>value as object</returns>
public override Object InternalGet(String key)
{
Object o = null;
/*
* special token : NODE
*
* returns current node
*/
if (key.Equals(NODE))
{
return(PeekNode());
}
/*
* ATTRIB - returns attribute map
*/
if (key.Equals(ATTRIB))
{
DvslNode n = PeekNode();
return(n.AttribMap);
}
/*
* start with local storage
*/
return(ctx[key]);
}
private void Invoke(DvslNode element, TextWriter writer)
{
String[] arr = new String[] {};
currentContext.PushNode(element);
templateHandler.Render(element, currentContext, writer);
currentContext.PopNode();
}
public virtual String Copy()
{
/*
* fakie, for now
*/
DvslNode node = currentContext.PeekNode();
return(node.Copy());
}
public virtual String ApplyTemplates(DvslNode node, String xpath)
{
/*
* get the nodes that was asked for
*/
IList nodeset = node.SelectNodes(xpath);
StringWriter sw = new StringWriter();
for (int i = 0; i < nodeset.Count; i++)
{
DvslNode n = (DvslNode)nodeset[i];
Invoke(n, sw);
}
return(sw.ToString());
}
/// <summary>
/// assumes a list of DVSLNodes
/// </summary>
public virtual String Copy(IList nodes)
{
if (nodes == null)
{
return("");
}
StringWriter sw = new StringWriter();
for (int i = 0; i < nodes.Count; i++)
{
DvslNode dn = (DvslNode)nodes[i];
sw.Write(((XmlNode)dn.NodeImpl).OuterXml);
}
return(sw.ToString());
}
internal bool Render(DvslNode node, IContext context, TextWriter writer)
{
/*
* find if we have an AST where the xpath expression mathes
* for this node
*/
XmlNode dom4jnode = (XmlNode)node.NodeImpl;
XPathNavigator nav = dom4jnode.CreateNavigator();
SimpleNode sn = null;
for (int i = 0; i < xpathList.Count; i++)
{
Hashtable m = (Hashtable)xpathList[i];
XPathExpression expr = nav.Compile((String)m["xpath"]);
if (nav.Matches((String)m["xpath"]))
{
sn = (SimpleNode)m["ast"];
break;
}
}
// if we found something, render
if (sn != null)
{
InternalContextAdapterImpl ica = new InternalContextAdapterImpl(context);
ica.PushCurrentTemplateName(node.Name);
try
{
sn.render(ica, writer);
}
finally
{
ica.PopCurrentTemplateName();
}
return(true);
}
return(false);
}
protected internal virtual long Transform(DvslNode root, TextWriter writer)
{
/*
* wrap in a context to keep subsequent documents from
* interacting with each other
*/
currentContext = new DVSLNodeContext(baseContext);
long start = (DateTime.Now.Ticks - 621355968000000000) / 10000;
/*
* push 'this' into the context as our TransformTool
* and invoke the transformation
*/
currentContext.Put("context", this);
Invoke(root, writer);
long end = (DateTime.Now.Ticks - 621355968000000000) / 10000;
return(end - start);
}
/// <summary>
/// returns a list of nodes that satisfy the xpath
/// </summary>
public virtual IList SelectNodes(String xpath)
{
XmlNodeList l = element.SelectNodes(xpath);
IList list = new ArrayList();
for (int i = 0; i < l.Count; i++)
{
XmlNode n = l[i];
if (n != null)
{
DvslNode dn = MakeDvslNode(n);
if (dn != null)
{
list.Add(dn);
}
}
}
return(list);
}
internal virtual bool Render(DvslNode node, IContext context, TextWriter writer) {
/*
* find if we have an AST where the xpath expression mathes
* for this node
*/
XmlNode dom4jnode = (XmlNode) node.NodeImpl;
XPathNavigator nav = dom4jnode.CreateNavigator();
SimpleNode sn = null;
for (int i = 0; i < xpathList.Count; i++) {
Hashtable m = (Hashtable) xpathList[i];
XPathExpression expr = nav.Compile((String)m["xpath"]);
if (nav.Matches((String)m["xpath"])) {
sn = (SimpleNode) m["ast"];
break;
}
}
// if we found something, render
if (sn != null) {
InternalContextAdapterImpl ica = new InternalContextAdapterImpl(context);
ica.PushCurrentTemplateName(node.Name);
try {
sn.render(ica, writer);
} finally {
ica.PopCurrentTemplateName();
}
return true;
}
return false;
}
public virtual DvslNode PushNode(DvslNode n) {
nodeStack.Push(n);
return n;
}
protected internal virtual long Transform(DvslNode root, TextWriter writer) {
/*
* wrap in a context to keep subsequent documents from
* interacting with each other
*/
currentContext = new DVSLNodeContext(baseContext);
long start = (DateTime.Now.Ticks - 621355968000000000) / 10000;
/*
* push 'this' into the context as our TransformTool
* and invoke the transformation
*/
currentContext.Put("context", this);
Invoke(root, writer);
long end = (DateTime.Now.Ticks - 621355968000000000) / 10000;
return end - start;
}
private void Invoke(DvslNode element, TextWriter writer) {
String[] arr = new String[]{};
currentContext.PushNode(element);
templateHandler.Render(element, currentContext, writer);
currentContext.PopNode();
}
public virtual String ApplyTemplates(String path)
{
DvslNode node = currentContext.PeekNode();
return(ApplyTemplates(node, path));
}
/* === routines to manage current node stack === */
internal virtual DvslNode PushNode(DvslNode n) {
nodeStack.Push(n);
return n;
}
/* === routines to manage current node stack === */
internal DvslNode PushNode(DvslNode n)
{
nodeStack.Push(n);
return(n);
}
public virtual String ApplyTemplates(DvslNode node, String xpath) {
/*
* get the nodes that was asked for
*/
IList nodeset = node.SelectNodes(xpath);
StringWriter sw = new StringWriter();
for (int i = 0; i < nodeset.Count; i++) {
DvslNode n = (DvslNode) nodeset[i];
Invoke(n, sw);
}
return sw.ToString();
}
public DvslNode PushNode(DvslNode n)
{
nodeStack.Push(n);
return(n);
}
public virtual String ApplyTemplates(DvslNode node) {
StringWriter sw = new StringWriter();
Invoke(node, sw);
return sw.ToString();
}
