public DekiScriptDom Visit(DekiScriptDomElement expr, DekiScriptOptimizerState state)
{
DekiScriptDomElement.Attribute[] attributes = new DekiScriptDomElement.Attribute[expr.Attributes.Length];
for (int i = 0; i < expr.Attributes.Length; i++)
{
attributes[i] = Optimize(expr.Attributes[i], state);
}
DekiScriptDom node = expr.Node.VisitWith(this, state);
return(new DekiScriptDomElement(expr.Location, expr.Prefix, expr.Name, attributes, node));
}
private void EvaluateNamespaceDefinitionAttribute(DekiScriptDomElement.Attribute expr, DekiScriptEvalContext context, DekiScriptEnv env)
{
if (expr.IsNamespaceDefinition)
{
DekiScriptLiteral name = expr.Name.VisitWith(DekiScriptExpressionEvaluation.Instance, env);
DekiScriptLiteral value = expr.Value.VisitWith(DekiScriptExpressionEvaluation.Instance, env);
if (!value.IsNil)
{
if (string.IsNullOrEmpty(expr.Prefix))
{
context.Namespaces.AddNamespace(string.Empty, value.AsString());
}
else
{
context.Namespaces.AddNamespace(XmlConvert.EncodeLocalName(name.AsString() ?? string.Empty), value.AsString());
}
}
}
}
private void EvaluateAttribute(DekiScriptDomElement.Attribute expr, DekiScriptEvalContext context, XmlElement element, DekiScriptEnv env)
{
if (!expr.IsNamespaceDefinition)
{
try {
string name = expr.Name.VisitWith(DekiScriptExpressionEvaluation.Instance, env).AsString();
if (name != null)
{
name = XmlConvert.EncodeLocalName(name);
string value = expr.Value.VisitWith(DekiScriptExpressionEvaluation.Instance, env).AsString();
if (value != null)
{
element.SetAttribute(name, context.Namespaces.LookupNamespace(expr.Prefix), value);
}
}
} catch (Exception e) {
context.InsertExceptionMessageBeforeNode(env, element, null, expr.Location, e);
}
}
}
private DekiScriptDomElement.Attribute Optimize(DekiScriptDomElement.Attribute expr, DekiScriptOptimizerState state)
{
DekiScriptExpression value = expr.Value.VisitWith(DekiScriptExpressionOptimizer.Instance, state);
return(new DekiScriptDomElement.Attribute(expr.Location, expr.Prefix, expr.Name, value));
}
