internal TemplateContext(Template template)
{
this.template = template;
currentTemplate = template;
variableScope = new VariableScope();
RegisterBuiltInFunctions();
}
private void ProcessTemplate(string name, TagNode tag)
{
if (customTags != null && customTags.ContainsKey(name)) {
ExecuteCustomTag(tag);
return;
}
Template useTemplate = currentTemplate.FindTemplate(name);
if (useTemplate == null)
throw new TemplateException(String.Format("Template '{0}' not found", name), tag.Line, tag.Column);
// process inner elements and save content
TextWriter saveWriter = writer;
writer = new StringWriter();
string content = String.Empty;
try {
ProcessNodes(tag.ChildNodes);
content = writer.ToString();
} finally {
writer = saveWriter;
}
Template saveTemplate = currentTemplate;
variableScope = new VariableScope(variableScope);
variableScope["innerText"] = content;
try {
foreach (TagNodeAttribute attrib in tag.Attributes) {
object val = EvaluateExpression(attrib.Value);
variableScope[attrib.Name] = val;
}
currentTemplate = useTemplate;
ProcessNodes(currentTemplate.Nodes);
} finally {
variableScope = variableScope.Parent;
currentTemplate = saveTemplate;
}
}
public VariableScope(VariableScope parent)
{
this.parent = parent;
values = new Dictionary<string, object>(StringComparer.InvariantCultureIgnoreCase);
}