public bool TryWalkPropertyPath(Type rootType, string path)
{
if (rootType == null)
throw new ArgumentNullException("rootType");
if (string.IsNullOrEmpty(path))
throw new ArgumentNullException("path");
Type propertyType = rootType;
string currentPath = string.Empty;
PathParser parser = new PathParser();
List<SourceValueInfo> pathInfo = parser.Parse(path, true);
string parsingError = parser.Error;
for (int i = 0; i < pathInfo.Count; i++)
{
SourceValueInfo info = pathInfo[i];
if (string.IsNullOrEmpty(info.name))
{
if (PathErrorFound != null)
PathErrorFound(this, new PathErrorInfoEventArgs(info, currentPath));
return false;
}
string additionalPath = (info.type == SourceValueType.Property) ? info.name : "[" + info.name + "]";
string newPath = (string.IsNullOrEmpty(currentPath)) ? additionalPath : currentPath + ((info.type == SourceValueType.Property) ? "." : string.Empty) + additionalPath;
Type newPropertyType = null;
MemberInfo newMemberInfo = null;
switch (info.type)
{
case SourceValueType.Property:
MemberInfo[] members = PopulateMembers(propertyType, info.name);
if (members == null || members.Length == 0 || members[0] == null)
{
if (PathErrorFound != null)
PathErrorFound(this, new PathErrorInfoEventArgs(info, currentPath));
return false;
}
newMemberInfo = members[0];
if (newMemberInfo is EventInfo || newMemberInfo is MethodInfo)
{
if (MemberFound != null)
{
PathMemberInfoEventArgs args = new PathMemberInfoEventArgs(newPath, propertyType, newMemberInfo, PathMemberKind.Event, i == pathInfo.Count - 1);
MemberFound(this, args);
if (args.Action == PathWalkAction.Cancel)
return false;
else if (args.Action == PathWalkAction.Stop)
return true;
}
//
return string.IsNullOrEmpty(parsingError);
}
else if (newMemberInfo is PropertyInfo)
{
//property getter could be an indexer
PropertyInfo memberPropertyInfo = newMemberInfo as PropertyInfo;
MethodInfo getterMethod = memberPropertyInfo.GetGetMethod();
MethodInfo setterMethod = memberPropertyInfo.GetSetMethod();
ActivityBindPropertyInfo properyInfo = new ActivityBindPropertyInfo(propertyType, getterMethod, setterMethod, memberPropertyInfo.Name, memberPropertyInfo);
newPropertyType = properyInfo.PropertyType;
ParameterInfo[] parameters = properyInfo.GetIndexParameters();
if (parameters.Length > 0)
{
//need to check that the next parsed element is an indexer
if (i < pathInfo.Count - 1 && pathInfo[i + 1].type == SourceValueType.Indexer && !string.IsNullOrEmpty(pathInfo[i + 1].name))
{
string[] arrayArgName = pathInfo[i + 1].name.Split(',');
object[] arguments = new object[arrayArgName.Length];
//match the number/type of parameters from the following indexer item
if (BindHelpers.MatchIndexerParameters(properyInfo, arrayArgName, arguments))
{
newPath += "[" + pathInfo[i + 1].name + "]";
//indexer property, uses two of the parsed array elements
if (MemberFound != null)
{
PathMemberInfoEventArgs args = new PathMemberInfoEventArgs(newPath, propertyType, properyInfo, PathMemberKind.IndexedProperty, i == pathInfo.Count - 2, arguments);
MemberFound(this, args);
if (args.Action == PathWalkAction.Cancel)
return false;
else if (args.Action == PathWalkAction.Stop)
return true;
}
//skip the next indexer item too
i++;
}
else
{
//parameters didn't match
if (PathErrorFound != null)
PathErrorFound(this, new PathErrorInfoEventArgs(info, currentPath));
return false;
}
}
else
{
//trailing index is missing or empty for the indexed property
if (PathErrorFound != null)
PathErrorFound(this, new PathErrorInfoEventArgs(info, currentPath));
return false;
}
}
else // parameters.Length == 0
{
//a regular property
if (MemberFound != null)
{
PathMemberInfoEventArgs args = new PathMemberInfoEventArgs(newPath, propertyType, properyInfo, PathMemberKind.Property, i == pathInfo.Count - 1);
MemberFound(this, args);
if (args.Action == PathWalkAction.Cancel)
return false;
else if (args.Action == PathWalkAction.Stop)
return true;
}
}
}
else
{
//that would be a field
if (MemberFound != null)
{
PathMemberInfoEventArgs args = new PathMemberInfoEventArgs(newPath, propertyType, newMemberInfo, PathMemberKind.Field, i == pathInfo.Count - 1);
MemberFound(this, args);
if (args.Action == PathWalkAction.Cancel)
return false;
else if (args.Action == PathWalkAction.Stop)
return true;
}
newPropertyType = (newMemberInfo as FieldInfo).FieldType;
}
break;
case SourceValueType.Indexer:
if (!string.IsNullOrEmpty(info.name))
{
string[] arrayArgName = info.name.Split(',');
object[] arguments = new object[arrayArgName.Length];
PropertyInfo arrayPropertyInfo = BindHelpers.GetMatchedPropertyInfo(propertyType, arrayArgName, arguments);
if (arrayPropertyInfo != null)
{
if (MemberFound != null)
{
PathMemberInfoEventArgs args = new PathMemberInfoEventArgs(newPath, propertyType, arrayPropertyInfo, PathMemberKind.Index, i == pathInfo.Count - 1, arguments);
MemberFound(this, args);
if (args.Action == PathWalkAction.Cancel)
return false;
else if (args.Action == PathWalkAction.Stop)
return true;
}
newPropertyType = arrayPropertyInfo.PropertyType;
if (newPropertyType == null)
newPropertyType = arrayPropertyInfo.GetGetMethod().ReturnType;
}
else
{
//did not mach number/type of arguments
if (PathErrorFound != null)
PathErrorFound(this, new PathErrorInfoEventArgs(info, currentPath));
return false;
}
}
else
{
//empty indexer
if (PathErrorFound != null)
PathErrorFound(this, new PathErrorInfoEventArgs(info, currentPath));
return false;
}
break;
}
propertyType = newPropertyType;
currentPath = newPath;
}
return string.IsNullOrEmpty(parsingError);
}
public bool TryWalkPropertyPath(Type rootType, string path)
{
if (rootType == null)
{
throw new ArgumentNullException("rootType");
}
if (string.IsNullOrEmpty(path))
{
throw new ArgumentNullException("path");
}
Type type = rootType;
string currentPath = string.Empty;
PathParser parser = new PathParser();
List<SourceValueInfo> list = parser.Parse(path, true);
string error = parser.Error;
for (int i = 0; i < list.Count; i++)
{
MemberInfo[] infoArray;
PropertyInfo info7;
PathMemberInfoEventArgs args5;
SourceValueInfo info = list[i];
if (string.IsNullOrEmpty(info.name))
{
if (this.PathErrorFound != null)
{
this.PathErrorFound(this, new PathErrorInfoEventArgs(info, currentPath));
}
return false;
}
string str3 = (info.type == SourceValueType.Property) ? info.name : ("[" + info.name + "]");
string str4 = string.IsNullOrEmpty(currentPath) ? str3 : (currentPath + ((info.type == SourceValueType.Property) ? "." : string.Empty) + str3);
Type propertyType = null;
MemberInfo memberInfo = null;
switch (info.type)
{
case SourceValueType.Property:
infoArray = PopulateMembers(type, info.name);
if (((infoArray != null) && (infoArray.Length != 0)) && (infoArray[0] != null))
{
break;
}
if (this.PathErrorFound != null)
{
this.PathErrorFound(this, new PathErrorInfoEventArgs(info, currentPath));
}
return false;
case SourceValueType.Indexer:
{
if (string.IsNullOrEmpty(info.name))
{
goto Label_04AC;
}
string[] aryArgName = info.name.Split(new char[] { ',' });
object[] objArray2 = new object[aryArgName.Length];
info7 = BindHelpers.GetMatchedPropertyInfo(type, aryArgName, objArray2);
if (info7 == null)
{
goto Label_048E;
}
if (this.MemberFound == null)
{
goto Label_046B;
}
args5 = new PathMemberInfoEventArgs(str4, type, info7, PathMemberKind.Index, i == (list.Count - 1), objArray2);
this.MemberFound(this, args5);
if (args5.Action != PathWalkAction.Cancel)
{
goto Label_045F;
}
return false;
}
default:
goto Label_04CA;
}
memberInfo = infoArray[0];
if ((memberInfo is EventInfo) || (memberInfo is MethodInfo))
{
if (this.MemberFound != null)
{
PathMemberInfoEventArgs e = new PathMemberInfoEventArgs(str4, type, memberInfo, PathMemberKind.Event, i == (list.Count - 1));
this.MemberFound(this, e);
if (e.Action == PathWalkAction.Cancel)
{
return false;
}
if (e.Action == PathWalkAction.Stop)
{
return true;
}
}
return string.IsNullOrEmpty(error);
}
if (memberInfo is PropertyInfo)
{
PropertyInfo originalPropertyInfo = memberInfo as PropertyInfo;
MethodInfo getMethod = originalPropertyInfo.GetGetMethod();
MethodInfo setMethod = originalPropertyInfo.GetSetMethod();
ActivityBindPropertyInfo info6 = new ActivityBindPropertyInfo(type, getMethod, setMethod, originalPropertyInfo.Name, originalPropertyInfo);
propertyType = info6.PropertyType;
if (info6.GetIndexParameters().Length <= 0)
{
if (this.MemberFound != null)
{
PathMemberInfoEventArgs args3 = new PathMemberInfoEventArgs(str4, type, info6, PathMemberKind.Property, i == (list.Count - 1));
this.MemberFound(this, args3);
if (args3.Action == PathWalkAction.Cancel)
{
return false;
}
if (args3.Action == PathWalkAction.Stop)
{
return true;
}
}
}
else
{
if (((i >= (list.Count - 1)) || (list[i + 1].type != SourceValueType.Indexer)) || string.IsNullOrEmpty(list[i + 1].name))
{
if (this.PathErrorFound != null)
{
this.PathErrorFound(this, new PathErrorInfoEventArgs(info, currentPath));
}
return false;
}
string[] argNames = list[i + 1].name.Split(new char[] { ',' });
object[] args = new object[argNames.Length];
if (!BindHelpers.MatchIndexerParameters(info6, argNames, args))
{
if (this.PathErrorFound != null)
{
this.PathErrorFound(this, new PathErrorInfoEventArgs(info, currentPath));
}
return false;
}
str4 = str4 + "[" + list[i + 1].name + "]";
if (this.MemberFound != null)
{
PathMemberInfoEventArgs args2 = new PathMemberInfoEventArgs(str4, type, info6, PathMemberKind.IndexedProperty, i == (list.Count - 2), args);
this.MemberFound(this, args2);
if (args2.Action == PathWalkAction.Cancel)
{
return false;
}
if (args2.Action == PathWalkAction.Stop)
{
return true;
}
}
i++;
}
}
else
{
if (this.MemberFound != null)
{
PathMemberInfoEventArgs args4 = new PathMemberInfoEventArgs(str4, type, memberInfo, PathMemberKind.Field, i == (list.Count - 1));
this.MemberFound(this, args4);
if (args4.Action == PathWalkAction.Cancel)
{
return false;
}
if (args4.Action == PathWalkAction.Stop)
{
return true;
}
}
propertyType = (memberInfo as FieldInfo).FieldType;
}
goto Label_04CA;
Label_045F:
if (args5.Action == PathWalkAction.Stop)
{
return true;
}
Label_046B:
propertyType = info7.PropertyType;
if (propertyType == null)
{
propertyType = info7.GetGetMethod().ReturnType;
}
goto Label_04CA;
Label_048E:
if (this.PathErrorFound != null)
{
this.PathErrorFound(this, new PathErrorInfoEventArgs(info, currentPath));
}
return false;
Label_04AC:
if (this.PathErrorFound != null)
{
this.PathErrorFound(this, new PathErrorInfoEventArgs(info, currentPath));
}
return false;
Label_04CA:
type = propertyType;
currentPath = str4;
}
return string.IsNullOrEmpty(error);
}
public bool TryWalkPropertyPath(Type rootType, string path)
{
if (rootType == null)
{
throw new ArgumentNullException("rootType");
}
if (string.IsNullOrEmpty(path))
{
throw new ArgumentNullException("path");
}
Type type = rootType;
string currentPath = string.Empty;
PathParser parser = new PathParser();
List <SourceValueInfo> list = parser.Parse(path, true);
string error = parser.Error;
for (int i = 0; i < list.Count; i++)
{
MemberInfo[] infoArray;
PropertyInfo info7;
PathMemberInfoEventArgs args5;
SourceValueInfo info = list[i];
if (string.IsNullOrEmpty(info.name))
{
if (this.PathErrorFound != null)
{
this.PathErrorFound(this, new PathErrorInfoEventArgs(info, currentPath));
}
return(false);
}
string str3 = (info.type == SourceValueType.Property) ? info.name : ("[" + info.name + "]");
string str4 = string.IsNullOrEmpty(currentPath) ? str3 : (currentPath + ((info.type == SourceValueType.Property) ? "." : string.Empty) + str3);
Type propertyType = null;
MemberInfo memberInfo = null;
switch (info.type)
{
case SourceValueType.Property:
infoArray = PopulateMembers(type, info.name);
if (((infoArray != null) && (infoArray.Length != 0)) && (infoArray[0] != null))
{
break;
}
if (this.PathErrorFound != null)
{
this.PathErrorFound(this, new PathErrorInfoEventArgs(info, currentPath));
}
return(false);
case SourceValueType.Indexer:
{
if (string.IsNullOrEmpty(info.name))
{
goto Label_04AC;
}
string[] aryArgName = info.name.Split(new char[] { ',' });
object[] objArray2 = new object[aryArgName.Length];
info7 = BindHelpers.GetMatchedPropertyInfo(type, aryArgName, objArray2);
if (info7 == null)
{
goto Label_048E;
}
if (this.MemberFound == null)
{
goto Label_046B;
}
args5 = new PathMemberInfoEventArgs(str4, type, info7, PathMemberKind.Index, i == (list.Count - 1), objArray2);
this.MemberFound(this, args5);
if (args5.Action != PathWalkAction.Cancel)
{
goto Label_045F;
}
return(false);
}
default:
goto Label_04CA;
}
memberInfo = infoArray[0];
if ((memberInfo is EventInfo) || (memberInfo is MethodInfo))
{
if (this.MemberFound != null)
{
PathMemberInfoEventArgs e = new PathMemberInfoEventArgs(str4, type, memberInfo, PathMemberKind.Event, i == (list.Count - 1));
this.MemberFound(this, e);
if (e.Action == PathWalkAction.Cancel)
{
return(false);
}
if (e.Action == PathWalkAction.Stop)
{
return(true);
}
}
return(string.IsNullOrEmpty(error));
}
if (memberInfo is PropertyInfo)
{
PropertyInfo originalPropertyInfo = memberInfo as PropertyInfo;
MethodInfo getMethod = originalPropertyInfo.GetGetMethod();
MethodInfo setMethod = originalPropertyInfo.GetSetMethod();
ActivityBindPropertyInfo info6 = new ActivityBindPropertyInfo(type, getMethod, setMethod, originalPropertyInfo.Name, originalPropertyInfo);
propertyType = info6.PropertyType;
if (info6.GetIndexParameters().Length <= 0)
{
if (this.MemberFound != null)
{
PathMemberInfoEventArgs args3 = new PathMemberInfoEventArgs(str4, type, info6, PathMemberKind.Property, i == (list.Count - 1));
this.MemberFound(this, args3);
if (args3.Action == PathWalkAction.Cancel)
{
return(false);
}
if (args3.Action == PathWalkAction.Stop)
{
return(true);
}
}
}
else
{
if (((i >= (list.Count - 1)) || (list[i + 1].type != SourceValueType.Indexer)) || string.IsNullOrEmpty(list[i + 1].name))
{
if (this.PathErrorFound != null)
{
this.PathErrorFound(this, new PathErrorInfoEventArgs(info, currentPath));
}
return(false);
}
string[] argNames = list[i + 1].name.Split(new char[] { ',' });
object[] args = new object[argNames.Length];
if (!BindHelpers.MatchIndexerParameters(info6, argNames, args))
{
if (this.PathErrorFound != null)
{
this.PathErrorFound(this, new PathErrorInfoEventArgs(info, currentPath));
}
return(false);
}
str4 = str4 + "[" + list[i + 1].name + "]";
if (this.MemberFound != null)
{
PathMemberInfoEventArgs args2 = new PathMemberInfoEventArgs(str4, type, info6, PathMemberKind.IndexedProperty, i == (list.Count - 2), args);
this.MemberFound(this, args2);
if (args2.Action == PathWalkAction.Cancel)
{
return(false);
}
if (args2.Action == PathWalkAction.Stop)
{
return(true);
}
}
i++;
}
}
else
{
if (this.MemberFound != null)
{
PathMemberInfoEventArgs args4 = new PathMemberInfoEventArgs(str4, type, memberInfo, PathMemberKind.Field, i == (list.Count - 1));
this.MemberFound(this, args4);
if (args4.Action == PathWalkAction.Cancel)
{
return(false);
}
if (args4.Action == PathWalkAction.Stop)
{
return(true);
}
}
propertyType = (memberInfo as FieldInfo).FieldType;
}
goto Label_04CA;
Label_045F:
if (args5.Action == PathWalkAction.Stop)
{
return(true);
}
Label_046B:
propertyType = info7.PropertyType;
if (propertyType == null)
{
propertyType = info7.GetGetMethod().ReturnType;
}
goto Label_04CA;
Label_048E:
if (this.PathErrorFound != null)
{
this.PathErrorFound(this, new PathErrorInfoEventArgs(info, currentPath));
}
return(false);
Label_04AC:
if (this.PathErrorFound != null)
{
this.PathErrorFound(this, new PathErrorInfoEventArgs(info, currentPath));
}
return(false);
Label_04CA:
type = propertyType;
currentPath = str4;
}
return(string.IsNullOrEmpty(error));
}
