//
// Create a rule from an element
//
static CapabilitiesRule RuleFromElement(ParseState parseState, XmlNode element)
{
int ruletype;
DelayedRegex regex;
CapabilitiesPattern pat;
// grab tag name
if (element.Name == "filter")
{
ruletype = CapabilitiesRule.Filter;
}
else if (element.Name == "case")
{
ruletype = CapabilitiesRule.Case;
}
else if (element.Name == "use")
{
HandlerBase.CheckForNonCommentChildNodes(element);
string var = HandlerBase.RemoveRequiredAttribute(element, "var");
string strAs = HandlerBase.RemoveAttribute(element, "as");
HandlerBase.CheckForUnrecognizedAttributes(element);
if (strAs == null)
{
strAs = String.Empty;
}
parseState.Evaluator.AddDependency(var);
return(new CapabilitiesUse(var, strAs));
}
else
{
throw new ConfigurationErrorsException(
SR.GetString(SR.Unknown_tag_in_caps_config, element.Name),
element);
}
// grab attributes
String matchpat = HandlerBase.RemoveAttribute(element, "match");
String testpat = HandlerBase.RemoveAttribute(element, "with");
HandlerBase.CheckForUnrecognizedAttributes(element);
if (matchpat == null)
{
if (testpat != null)
{
throw new ConfigurationErrorsException(SR.GetString(SR.Cannot_specify_test_without_match), element);
}
regex = null;
pat = null;
}
else
{
try {
regex = new DelayedRegex(matchpat);
}
catch (Exception e) {
throw new ConfigurationErrorsException(e.Message, e, element);
}
if (testpat == null)
{
pat = CapabilitiesPattern.Default;
}
else
{
pat = new CapabilitiesPattern(testpat);
}
}
// grab contents
ArrayList subrules = RuleListFromElement(parseState, element, false);
return(new CapabilitiesSection(ruletype, regex, pat, subrules));
}
/*
* Create
*
* Given a partially composed config object (possibly null)
* and some input from the config system, return a
* further partially composed config object
*/
internal Object InternalCreate(Object parent, XmlNode node)
{
HandlerMap map;
// start list as shallow clone of parent
if (parent == null)
{
map = new HandlerMap();
}
else
{
map = new HandlerMap((HandlerMap)parent);
}
map.BeginGroup();
// process XML section
HandlerBase.CheckForUnrecognizedAttributes(node);
foreach (XmlNode child in node.ChildNodes)
{
// skip whitespace and comments
if (HandlerBase.IsIgnorableAlsoCheckForNonElement(child))
{
continue;
}
// process <add> and <clear> elements
if (child.Name.Equals("add"))
{
String verb = HandlerBase.RemoveRequiredAttribute(child, "verb");
String path = HandlerBase.RemoveRequiredAttribute(child, "path");
String classname = HandlerBase.RemoveRequiredAttribute(child, "type");
int phase = 1;
XmlNode phaseNode = HandlerBase.GetAndRemoveIntegerAttribute(child, "phase", ref phase);
if (phaseNode != null)
{
ValidatePhase(phase, phaseNode);
}
bool validate = true;
HandlerBase.GetAndRemoveBooleanAttribute(child, "validate", ref validate);
HandlerBase.CheckForUnrecognizedAttributes(child);
HandlerBase.CheckForChildNodes(child);
try {
map.Add(new HandlerMapping(verb, path, classname, !validate), phase);
}
catch (Exception e) {
throw new ConfigurationException(e.Message, e, child);
}
}
else if (child.Name.Equals("remove"))
{
String verb = HandlerBase.RemoveRequiredAttribute(child, "verb");
String path = HandlerBase.RemoveRequiredAttribute(child, "path");
bool validate = true;
HandlerBase.GetAndRemoveBooleanAttribute(child, "validate", ref validate);
HandlerBase.CheckForUnrecognizedAttributes(child);
HandlerBase.CheckForChildNodes(child);
if (!map.RemoveMapping(verb, path) && validate)
{
throw new ConfigurationException(
HttpRuntime.FormatResourceString(SR.No_mapping_to_remove, verb, path),
child);
}
}
else if (child.Name.Equals("clear"))
{
int phase = 1;
XmlNode phaseNode = HandlerBase.GetAndRemoveIntegerAttribute(child, "phase", ref phase);
HandlerBase.CheckForUnrecognizedAttributes(child);
HandlerBase.CheckForChildNodes(child);
if (phaseNode == null)
{
map.ClearAll();
}
else
{
ValidatePhase(phase, phaseNode);
map.ClearPhase(phase);
}
}
else
{
HandlerBase.ThrowUnrecognizedElement(child);
}
}
map.EndGroup();
return(map);
}