private static Type FindType(string typeName, IEnumerable <Assembly> asmSearch, MethodInfo declaringMethod = null)
{
typeName = typeName.Trim();
if (string.IsNullOrEmpty(typeName))
{
return(null);
}
// Retrieve generic parameters
Match genericParamsMatch = Regex.Match(typeName, @"(\[)(\[.+\])(\])");
string[] genericParams = null;
if (genericParamsMatch.Groups.Count > 3)
{
string genericParamList = genericParamsMatch.Groups[2].Value;
genericParams = SplitArgs(genericParamList, '[', ']', ',', 0);
for (int i = 0; i < genericParams.Length; i++)
{
genericParams[i] = genericParams[i].Substring(1, genericParams[i].Length - 2);
}
}
// Process type name
string[] token = Regex.Split(typeName, @"\[\[.+\]\]");
string typeNameBase = token[0];
string elementTypeName = typeName;
// Handle Reference
string lastToken = token[token.Length - 1];
if (lastToken.Length > 0 && lastToken[lastToken.Length - 1] == '&')
{
Type elementType = ResolveType(typeName.Substring(0, typeName.Length - 1), asmSearch, declaringMethod);
if (elementType == null)
{
return(null);
}
return(elementType.MakeByRefType());
}
// Retrieve array ranks
int arrayRank = 0;
MatchCollection arrayMatches = Regex.Matches(token[token.Length - 1], @"\[,*\]");
if (arrayMatches.Count > 0)
{
string rankStr = arrayMatches[arrayMatches.Count - 1].Value;
int commaCount = 0;
for (int i = 0; i < rankStr.Length; i++)
{
if (rankStr[i] == ',')
{
commaCount++;
}
}
arrayRank = 1 + commaCount;
elementTypeName = elementTypeName.Substring(0, elementTypeName.Length - rankStr.Length);
}
// Handle Arrays
if (arrayRank > 0)
{
Type elementType = ResolveType(elementTypeName, asmSearch, declaringMethod);
if (elementType == null)
{
return(null);
}
return(arrayRank == 1 ? elementType.MakeArrayType() : elementType.MakeArrayType(arrayRank));
}
Type baseType = null;
// Generic method parameter Types
if (typeNameBase.StartsWith("``"))
{
if (declaringMethod != null)
{
int methodGenArgIndex;
string genericTypeIndexToken = typeNameBase.Substring(2, typeNameBase.Length - 2);
if (int.TryParse(genericTypeIndexToken, out methodGenArgIndex))
{
Type[] genericMethodArguments = declaringMethod.GetGenericArguments();
if (methodGenArgIndex >= 0 && methodGenArgIndex < genericMethodArguments.Length)
{
baseType = genericMethodArguments[methodGenArgIndex];
}
}
}
}
else
{
// Retrieve base type
foreach (Assembly assembly in asmSearch)
{
baseType = assembly.GetType(typeNameBase);
if (baseType != null)
{
break;
}
}
// Failed to retrieve base type? Try manually and ignore plus / dot difference.
if (baseType == null)
{
string assemblyNameGuess = typeName.Split('.', '+').FirstOrDefault();
IEnumerable <Assembly> sortedAsmSearch = asmSearch.OrderByDescending(a => a.GetShortAssemblyName() == assemblyNameGuess);
foreach (Assembly assembly in sortedAsmSearch)
{
// Try to retrieve all Types from the current Assembly
TypeInfo[] definedTypes;
try { definedTypes = assembly.DefinedTypes.ToArray(); }
catch (Exception) { continue; }
// Iterate and manually compare names
foreach (TypeInfo typeInfo in definedTypes)
{
if (IsFullTypeNameEqual(typeNameBase, typeInfo.FullName))
{
baseType = typeInfo.AsType();
break;
}
}
if (baseType != null)
{
break;
}
}
}
// Failed anyway? Try explicit resolve
if (baseType == null)
{
ResolveMemberEventArgs args = new ResolveMemberEventArgs(typeNameBase);
if (TypeResolve != null)
{
TypeResolve(null, args);
}
baseType = (args.ResolvedMember is TypeInfo) ? (args.ResolvedMember as TypeInfo).AsType() : null;
}
}
// Retrieve generic type params
if (genericParams != null)
{
Type[] genericParamTypes = new Type[genericParams.Length];
for (int i = 0; i < genericParamTypes.Length; i++)
{
// Explicitly referring to generic type definition params: Don't attemp to make it generic.
if ((genericParams[i].Length > 0 && genericParams[i][0] == '`') &&
(genericParams[i].Length < 2 || genericParams[i][1] != '`'))
{
return(baseType);
}
genericParamTypes[i] = ResolveType(genericParams[i], asmSearch, declaringMethod);
// Can't find the generic type argument: Fail.
if (genericParamTypes[i] == null)
{
return(null);
}
}
if (baseType == null)
{
return(null);
}
else
{
return(baseType.MakeGenericType(genericParamTypes));
}
}
return(baseType);
}
private static MemberInfo FindMember(string memberString, IEnumerable <Assembly> asmSearch)
{
string[] token = memberString.Split(':');
char memberTypeToken;
Type declaringType;
// If there is no member type token, it is actually a type id.
if (token.Length == 1)
{
Type type = ResolveType(token[0], asmSearch, null);
declaringType = type != null ? type : null;
memberTypeToken = MemberTokenTypeInfo;
}
// Otherwise, determine the member type using the member type token
else if (token.Length > 1)
{
Type type = ResolveType(token[1], asmSearch, null);
declaringType = type != null ? type : null;
memberTypeToken = (token[0].Length > 0) ? token[0][0] : MemberTokenUndefined;
}
// If we have nothing (empty string, etc.), fail
else
{
declaringType = null;
memberTypeToken = MemberTokenUndefined;
}
if (declaringType != null && memberTypeToken != ' ')
{
TypeInfo declaringTypeInfo = declaringType.GetTypeInfo();
if (memberTypeToken == MemberTokenTypeInfo)
{
return(declaringType.GetTypeInfo());
}
else if (memberTypeToken == MemberTokenFieldInfo)
{
MemberInfo member = declaringType.GetRuntimeFields().FirstOrDefault(m => m.Name == token[2]);
if (member != null)
{
return(member);
}
}
else if (memberTypeToken == MemberTokenEventInfo)
{
MemberInfo member = declaringType.GetRuntimeEvents().FirstOrDefault(m => m.Name == token[2]);
if (member != null)
{
return(member);
}
}
else
{
int memberParamListStartIndex = token[2].IndexOf('(');
int memberParamListEndIndex = token[2].IndexOf(')');
string memberParamList = memberParamListStartIndex != -1 ? token[2].Substring(memberParamListStartIndex + 1, memberParamListEndIndex - memberParamListStartIndex - 1) : null;
string[] memberParams = SplitArgs(memberParamList, '[', ']', ',', 0);
string memberName = memberParamListStartIndex != -1 ? token[2].Substring(0, memberParamListStartIndex) : token[2];
Type[] memberParamTypes = memberParams.Select(p => ResolveType(p, asmSearch, null)).ToArray();
if (memberTypeToken == MemberTokenConstructorInfo)
{
bool lookForStatic = memberName == "s";
ConstructorInfo[] availCtors = declaringTypeInfo.DeclaredConstructors.Where(m =>
m.IsStatic == lookForStatic &&
m.GetParameters().Length == memberParams.Length).ToArray();
foreach (ConstructorInfo ctor in availCtors)
{
bool possibleMatch = true;
ParameterInfo[] methodParams = ctor.GetParameters();
for (int i = 0; i < methodParams.Length; i++)
{
string methodParamTypeName = methodParams[i].ParameterType.Name;
if (methodParams[i].ParameterType != memberParamTypes[i] && methodParamTypeName != memberParams[i])
{
possibleMatch = false;
break;
}
}
if (possibleMatch)
{
return(ctor);
}
}
}
else if (memberTypeToken == MemberTokenPropertyInfo)
{
PropertyInfo[] availProps = declaringType.GetRuntimeProperties().Where(m =>
m.Name == memberName &&
m.GetIndexParameters().Length == memberParams.Length).ToArray();
foreach (PropertyInfo prop in availProps)
{
bool possibleMatch = true;
ParameterInfo[] methodParams = prop.GetIndexParameters();
for (int i = 0; i < methodParams.Length; i++)
{
string methodParamTypeName = methodParams[i].ParameterType.Name;
if (methodParams[i].ParameterType != memberParamTypes[i] && methodParamTypeName != memberParams[i])
{
possibleMatch = false;
break;
}
}
if (possibleMatch)
{
return(prop);
}
}
}
int genArgTokenStartIndex = token[2].IndexOf("``", StringComparison.Ordinal);
int genArgTokenEndIndex = memberParamListStartIndex != -1 ? memberParamListStartIndex : token[2].Length;
string genArgToken = genArgTokenStartIndex != -1 ? token[2].Substring(genArgTokenStartIndex + 2, genArgTokenEndIndex - genArgTokenStartIndex - 2) : "";
if (genArgTokenStartIndex != -1)
{
memberName = token[2].Substring(0, genArgTokenStartIndex);
}
int genArgListStartIndex = genArgToken.IndexOf('[');
int genArgListEndIndex = genArgToken.LastIndexOf(']');
string genArgList = genArgListStartIndex != -1 ? genArgToken.Substring(genArgListStartIndex + 1, genArgListEndIndex - genArgListStartIndex - 1) : null;
string[] genArgs = SplitArgs(genArgList, '[', ']', ',', 0);
for (int i = 0; i < genArgs.Length; i++)
{
genArgs[i] = genArgs[i].Substring(1, genArgs[i].Length - 2);
}
int genArgCount = genArgToken.Length > 0 ? int.Parse(genArgToken.Substring(0, genArgListStartIndex != -1 ? genArgListStartIndex : genArgToken.Length)) : 0;
// Select the method that fits
MethodInfo[] availMethods = declaringType.GetRuntimeMethods().Where(m =>
m.Name == memberName &&
m.GetGenericArguments().Length == genArgCount &&
m.GetParameters().Length == memberParams.Length).ToArray();
foreach (MethodInfo method in availMethods)
{
bool possibleMatch = true;
ParameterInfo[] methodParams = method.GetParameters();
for (int i = 0; i < methodParams.Length; i++)
{
string methodParamTypeName = methodParams[i].ParameterType.Name;
if (methodParams[i].ParameterType != memberParamTypes[i] && methodParamTypeName != memberParams[i])
{
possibleMatch = false;
break;
}
}
if (possibleMatch)
{
return(method);
}
}
}
}
// Failed? Try explicit resolve
ResolveMemberEventArgs args = new ResolveMemberEventArgs(memberString);
if (MemberResolve != null)
{
MemberResolve(null, args);
}
return(args.ResolvedMember);
}
