private QueryFilter TryParseFilter(IConfigSchema schema, QueryParser.EvaluateVariableDelegate evalDelegate, out Exception ex)
{
ex = null;
if (this.parsedFilter == null)
{
if (!this.HasExplicitScopeFilter)
{
if (this.Scopes == null || this.Scopes.Count == 0)
{
this.parsedFilter = QueryFilter.True;
}
else
{
List <QueryFilter> list = new List <QueryFilter>(1);
foreach (SettingsScope settingsScope in this.Scopes)
{
list.Add(settingsScope.ConstructScopeFilter(schema));
}
this.parsedFilter = (QueryFilter.AndTogether(list.ToArray()) ?? QueryFilter.False);
}
}
else if (string.IsNullOrWhiteSpace(this.ScopeFilter))
{
this.parsedFilter = QueryFilter.True;
this.scopeFilter = null;
}
else
{
try
{
SettingsScopeFilterSchema scopeFilterSchema = SettingsScopeFilterSchema.GetSchemaInstance(schema);
QueryParser queryParser = new QueryParser(this.ScopeFilter, QueryParser.Capabilities.All, new QueryParser.LookupPropertyDelegate(scopeFilterSchema.LookupSchemaProperty), () => scopeFilterSchema.AllFilterableProperties, evalDelegate, new QueryParser.ConvertValueFromStringDelegate(MailboxProvisioningConstraint.ConvertValueFromString));
this.parsedFilter = queryParser.ParseTree;
}
catch (InvalidCastException ex2)
{
ex = ex2;
}
catch (ParsingException ex3)
{
ex = ex3;
}
catch (ArgumentOutOfRangeException ex4)
{
ex = ex4;
}
if (ex != null)
{
ex = new ConfigurationSettingsInvalidScopeFilter(ex.Message, ex);
this.parsedFilter = QueryFilter.False;
}
else
{
this.scopeFilter = this.parsedFilter.GenerateInfixString(FilterLanguage.Monad);
}
}
}
return(this.parsedFilter);
}
internal override QueryFilter ConstructScopeFilter(IConfigSchema schema)
{
if (!string.IsNullOrEmpty(base.Restriction.SubType))
{
SettingsScopeFilterSchema schemaInstance = SettingsScopeFilterSchema.GetSchemaInstance(schema);
PropertyDefinition propertyDefinition = schemaInstance.LookupSchemaProperty(base.Restriction.SubType);
if (propertyDefinition != null)
{
return(new TextFilter(propertyDefinition, base.Restriction.NameMatch, MatchOptions.WildcardString, MatchFlags.IgnoreCase));
}
}
return(QueryFilter.False);
}