/// <summary>
/// Splits the rule flags.
/// </summary>
/// <param name="flags">The flags.</param>
/// <returns></returns>
protected IRuleFlagProcessor SplitRuleFlags(string flags)
{
RuleFlagProcessor dictionary = new RuleFlagProcessor();
List<string> temporaryHolding = new List<string>();
dictionary.BeginAdd();
foreach (string flag in flags.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries))
{
string temp = flag;
if (flag.Contains("\"") || temporaryHolding.Count > 0)
{
temporaryHolding.Add(flag.Replace("\"", String.Empty));
if (flag.Contains("\"") && temporaryHolding.Count > 1)
{
temp = String.Join(",", temporaryHolding.ToArray());
temporaryHolding.Clear();
}
else
continue;
}
IRuleFlag ruleFlag = AddRuleFlag(temp);
if (ruleFlag != null)
dictionary.Add(ruleFlag);
}
dictionary.EndAdd();
return dictionary;
}
/// <summary>
/// Gets the rule.
/// </summary>
/// <param name="ruleElement">The rule element.</param>
/// <returns></returns>
private IRule GetRule(XmlNode ruleElement)
{
if (ruleElement == null)
throw new ArgumentNullException("ruleElement");
if (ruleElement.Name != "rule")
throw new RuleSetException("The node is not a \"rule\".");
bool enabled = true; // from schema definition
if (ruleElement.Attributes["enabled"] != null)
enabled = XmlConvert.ToBoolean(ruleElement.Attributes["enabled"].Value);
// if it is not enabled there is no reason to continue processing
if (!enabled)
return null;
string name = String.Empty;
bool stopProcessing = false; // from schema definition
string patternSyntax = "ECMAScript"; // from schema definiton
if (ruleElement.Attributes["name"] != null)
name = ruleElement.Attributes["name"].Value;
if (ruleElement.Attributes["stopProcessing"] != null)
stopProcessing = XmlConvert.ToBoolean(ruleElement.Attributes["stopProcessing"].Value);
if (ruleElement.Attributes["patternSyntax"] != null)
patternSyntax = ruleElement.Attributes["patternSyntax"].Value;
XmlNode matchElement = ruleElement.SelectSingleNode("match");
XmlNode conditionsElement = ruleElement.SelectSingleNode("conditions");
XmlNode serverVariablesElement = ruleElement.SelectSingleNode("serverVariables");
XmlNode actionElement = ruleElement.SelectSingleNode("action");
IRuleFlagProcessor ruleFlags = new RuleFlagProcessor();
IRule rule = new DefaultRule();
rule.Name = name;
// <match />
Pattern match = GetMatch(matchElement, ref ruleFlags);
// <condition />
IEnumerable<ICondition> conditions = GetConditions(conditionsElement);
// <serverVariables />
foreach (var flag in GetServerVariables(serverVariablesElement))
ruleFlags.Add(flag);
// <action />
IRuleAction action = GetAction(actionElement, match, ref ruleFlags);
// <rule />
rule.Init(conditions, action, ruleFlags);
return rule;
}
