public static object[] ResolveExpressionValue <T>(this ExpressionTest <T> expressionTest)
{
if (expressionTest.Expressions == null)
{
return(expressionTest.GetParentExpressionValue());
}
var expressionValues = new object[expressionTest.Expressions.Length];
for (var i = 0; i < expressionValues.Length; i++)
{
var current = expressionTest.Expressions[i];
if (current.Equals("this"))
{
expressionValues[i] = expressionTest.TargetInstance;
continue;
}
var characterInBetweenSingleColon = "'.*?'";
var matchesConstantExpressions = AllMatches(characterInBetweenSingleColon, current);
current = Regex.Replace(current, characterInBetweenSingleColon, "#ContantExpr#");
var fieldPattern = "@f[(]((.*?)+)[)]";
foreach (string field in AllMatches(fieldPattern, current))
{
var pattern = Regex.Replace(Regex.Replace(field, "\\(", "\\("), "\\)", "\\)");
var fieldValue = expressionTest.Target.Type.GetFieldValue(Regex.Replace(field, fieldPattern, "$1"));
current = Regex.Replace(current, pattern, TypeUtility.TypeToString(fieldValue));
}
current = Regex.Replace(current, "\\(\\)\\.", ".");
var expressions = Regex.Split(Regex.Replace(current, "\\s", ""),
"!\\(|\\.Equals\\(|\\.CharAt\\(|[(]|[)]|[!]|\\+\\+|--|[+]|[-]|[*]|[/]|[%]|<=|>=|[<]|[>]|[!=]|==|&&|[{]|[}]|[,]|[?]|[:]|\\|\\|");
var methodExpr = expressionTest.Expressions;
expressionTest.Expressions = expressions;
var typeValues = expressionTest.GetParentExpressionValue();
expressionTest.Expressions = methodExpr;
if (current.Equals("@p0"))
{
expressionValues[i] = expressionTest.ExpressionInfo?.ParameterValues[0];
}
else if (typeValues.Length == 1 && typeValues[0] != expressionTest.TargetInstance)
{
expressionValues[i] = typeValues[0];
}
else if (typeValues.Length == 1)
{
try
{
expressionValues[i] = ExpressionEvaluator.GetValue(null, expressionTest.Expressions[i]);
}
catch (Exception)
{
expressionValues[i] = Enum.Enum.Instance.NotFound;
}
}
else if (typeValues.Length > 1)
{
var expressionsWithValues = new Dictionary <string, object>();
for (var j = 0; j < expressions.Length; j++)
{
if (typeValues[j] == expressionTest.TargetInstance)
{
continue;
}
typeValues[j] = SetValue(typeValues[j]);
if (!expressionsWithValues.ContainsKey(expressions[j]))
{
expressionsWithValues.Add(expressions[j], typeValues[j]);
}
}
foreach (var pair in expressionsWithValues.OrderByDescending(x => x.Key))
{
current = current.Replace(pair.Key, pair.Value.ToString());
}
var expressionInfo = expressionTest.ExpressionInfo;
for (var parameterIndex = 0; parameterIndex < expressionInfo?.ParameterValues.Length; parameterIndex++)
{
var name = "@p" + parameterIndex;
var typeValue = SetValue(expressionInfo.ParameterValues[parameterIndex]);
current = current.Replace(name, typeValue?.ToString() ?? "null");
}
current = Regex.Replace(current, "\\(\\)", "");
current = Regex.Replace(current, "2147483648L", "2147483648");
current = Regex.Replace(current, "2147483648", "2147483648L");
current = Regex.Replace(current, "\\|\\|", "or");
current = Regex.Replace(current, "&&", "and");
foreach (Match match in matchesConstantExpressions)
{
var regex = new Regex("#ContantExpr#");
current = regex.Replace(current, match.Value, 1);
}
expressionValues[i] = ExpressionEvaluator.GetValue(null, current);
}
if (expressionValues[i] != null && expressionValues[i] is Type)
{
expressionValues[i] = ((Type)expressionValues[i]).FullName;
}
if (expressionValues[i] != null && expressionTest.ExpressionInfo != null && expressionTest.ExpressionInfo.ReturnType != typeof(void))
{
expressionValues[i] = TypeUtility.CastValueWithRespectToType(expressionValues[i], expressionTest.ExpressionInfo.ReturnType);
}
}
return(expressionValues);
}
