private Template(string name, IList<Node> nodes, Template parent)
{
this.name = name;
this.parent = parent;
this.nodes = new List<Node>(nodes);
childTemplates = new List<Template>();
templateCache = new Dictionary<string, Template>(StringComparer.InvariantCultureIgnoreCase);
}
internal TemplateContext(Template template)
{
this.template = template;
currentTemplate = template;
variableScope = new VariableScope();
RegisterBuiltInFunctions();
}
public static Template Parse(string name, string text)
{
Lexer lexer = new Lexer(text);
TemplateParser parser = new TemplateParser(lexer);
List<Node> nodes = parser.Parse();
TagParser tagParser = new TagParser(nodes);
nodes = tagParser.CreateHierarchy();
Template template = new Template(name, nodes, null);
foreach (Node elem in nodes) {
if (elem is TagNode) {
TagNode tag = (TagNode)elem;
if (string.Compare(tag.TagName, "template", true) == 0) {
Expression ename = tag.GetAttributeValue("name");
string tname;
if (ename is StringLiteralExpression)
tname = ((StringLiteralExpression)ename).Value;
else
tname = "?";
template.childTemplates.Add(new Template(tname, tag.ChildNodes, template));
}
}
}
return template;
}
public void AddTemplate(Template childTemplate)
{
lock (this) {
template.ChildTemplates.Add(childTemplate);
}
}
public void Transform(TextWriter output)
{
lock (this) {
writer = output;
currentTemplate = template;
OnBeforeTransform();
if (handler != null) {
handler.BeforeTransform(this);
SetValue("this", handler);
}
ProcessNodes(template.Nodes);
OnAfterTransform();
if (handler != null)
handler.AfterTransform(this);
}
}
