internal virtual VelocimacroProxy createVelocimacro(System.String namespace_Renamed)
{
VelocimacroProxy vp = new VelocimacroProxy();
vp.Name = this.macroname;
vp.ArgArray = this.argarray;
vp.Macrobody = this.macrobody;
vp.NodeTree = this.nodeTree;
vp.Namespace = namespace_Renamed;
return(vp);
}
/// <summary> Velocimacro implementation is not known at the Init time. So look for
/// a implementation in the macro libaries and if finds one renders it. The
/// parameters rendering is delegated to the VelocimacroProxy object. When
/// looking for a macro we first loot at the template with has the
/// macro call then we look at the macro lbraries in the order they appear
/// in the list. If a macro has many definitions above look up will
/// determine the precedence.
///
/// </summary>
/// <param name="context">
/// </param>
/// <param name="writer">
/// </param>
/// <param name="node">
/// </param>
/// <returns> true if the rendering is successfull
/// </returns>
/// <throws> IOException </throws>
/// <throws> ResourceNotFoundException </throws>
/// <throws> ParseErrorException </throws>
/// <throws> MethodInvocationException </throws>
public override bool Render(IInternalContextAdapter context, System.IO.TextWriter writer, INode node)
{
VelocimacroProxy vmProxy = null;
string renderingTemplate = context.CurrentTemplateName;
/**
* first look in the source template
*/
object o = rsvc.GetVelocimacro(macroName, sourceTemplate, renderingTemplate);
if (o != null)
{
// getVelocimacro can only return a VelocimacroProxy so we don't need the
// costly instanceof check
vmProxy = (VelocimacroProxy)o;
}
/**
* if not found, look in the macro libraries.
*/
if (vmProxy == null)
{
System.Collections.IList macroLibraries = context.MacroLibraries;
if (macroLibraries != null)
{
for (int i = macroLibraries.Count - 1; i >= 0; i--)
{
o = rsvc.GetVelocimacro(macroName, (string)macroLibraries[i], renderingTemplate);
// Get the first matching macro
if (o != null)
{
vmProxy = (VelocimacroProxy)o;
break;
}
}
}
}
if (vmProxy != null)
{
try
{
// mainly check the number of arguments
vmProxy.Init(rsvc, context, node);
}
catch (TemplateInitException die)
{
Info info = new Info(sourceTemplate, node.Line, node.Column);
throw new ParseErrorException(die.Message + " at " + Log.Log.FormatFileString(info), info);
}
try
{
return(vmProxy.Render(context, writer, node));
}
catch (System.IO.IOException e)
{
rsvc.Log.Error("Exception in macro #" + macroName + " at " + Log.Log.FormatFileString(sourceTemplate, Line, Column));
throw e;
}
catch (System.SystemException e)
{
/**
* We catch, the exception here so that we can record in
* the logs the template and line number of the macro call
* which generate the exception. This information is
* especially important for multiple macro call levels.
* this is also true for the following catch blocks.
*/
rsvc.Log.Error("Exception in macro #" + macroName + " at " + Log.Log.FormatFileString(sourceTemplate, Line, Column));
throw e;
}
}
else if (strictRef)
{
Info info = new Info(sourceTemplate, node.Line, node.Column);
throw new ParseErrorException("Macro '#" + macroName + "' is not defined at " + Log.Log.FormatFileString(info), info);
}
/**
* If we cannot find an implementation write the literal text
*/
writer.Write(Literal);
return(true);
}
internal virtual VelocimacroProxy createVelocimacro(System.String namespace_Renamed) {
VelocimacroProxy vp = new VelocimacroProxy();
vp.Name = this.macroname;
vp.ArgArray = this.argarray;
vp.Macrobody = this.macrobody;
vp.NodeTree = this.nodeTree;
vp.Namespace = namespace_Renamed;
return vp;
}
/// <summary> actual factory : creates a Directive that will
/// behave correctly wrt getting the framework to
/// dig out the correct # of args
/// </summary>
public virtual Directive.Directive getVelocimacro(System.String vmName, System.String sourceTemplate)
{
VelocimacroProxy vp = null;
lock (this) {
/*
* don't ask - do
*/
vp = vmManager.get(vmName, sourceTemplate);
/*
* if this exists, and autoload is on, we need to check
* where this VM came from
*/
if (vp != null && Autoload)
{
/*
* see if this VM came from a library. Need to pass sourceTemplate
* in the event namespaces are set, as it could be masked by local
*/
System.String lib = vmManager.getLibraryName(vmName, sourceTemplate);
if (lib != null)
{
try {
/*
* get the template from our map
*/
Twonk tw = (Twonk)libModMap[lib];
if (tw != null)
{
Template template = tw.template;
/*
* now, compare the last modified time of the resource
* with the last modified time of the template
* if the file has changed, then reload. Otherwise, we should
* be ok.
*/
long tt = tw.modificationTime;
long ft = template.ResourceLoader.getLastModified(template)
;
if (ft > tt)
{
logVMMessageInfo("Velocimacro : autoload reload for VMs from " + "VM library template : " + lib);
/*
* when there are VMs in a library that invoke each other,
* there are calls into getVelocimacro() from the init()
* process of the VM directive. To stop the infinite loop
* we save the current time reported by the resource loader
* and then be honest when the reload is complete
*/
tw.modificationTime = ft;
template = rsvc.getTemplate(lib)
;
/*
* and now we be honest
*/
tw.template = template;
tw.modificationTime = template.LastModified;
/*
* note that we don't need to put this twonk back
* into the map, as we can just use the same reference
* and this block is synchronized
*/
}
}
}
catch (System.Exception e) {
logVMMessageInfo("Velocimacro : error using VM " + "library template " + lib + " : " + e);
}
/*
* and get again
*/
vp = vmManager.get(vmName, sourceTemplate);
}
}
}
return(vp);
}
