Open-Harbor/dotnet-dynamic-linq
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

advancing well to be continued.

Browse Source
This commit is contained in:
David Lebée 2018-04-04 22:18:11 -05:00
parent 13576133b5
commit 2bd292f18d
1 changed files with 9 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
PoweredSoft.DynamicLinq.ConsoleApp/BetterProto2.cs
View File

@ -44,7 +44,7 @@ namespace PoweredSoft.DynamicLinq.ConsoleApp
public static void Case2()
{
// the expression parser.
var ep = new ExpressionParser(typeof(Post), "Author.Posts.Author.FirstName");
var ep = new ExpressionParser(typeof(Post), "Author.Posts.Author.Posts.Author.FirstName");
new List<Post>().AsQueryable().Select(t => new
{
@ -111,8 +111,8 @@ namespace PoweredSoft.DynamicLinq.ConsoleApp
}
else if (piece.Parent.IsGenericEnumerable)
{
var indexOfPiece = Parser.Pieces.IndexOf(piece);
var currentSimpleChain = Parser.Pieces.Skip(indexOfPiece - 1).Where(t => !t.IsGenericEnumerable).ToList();
var indexOfParentPiece = Parser.Pieces.IndexOf(piece);
var currentSimpleChain = Parser.Pieces.Skip(indexOfParentPiece).TakeWhile(t => !t.IsGenericEnumerable).ToList();
var parameter = ResolveParameter(currentSimpleChain);
var currentSimpleChainExpression = BuildSimpleChainExpression(currentSimpleChain, parameter);
var currentSimpleChainExpressionLambda = Expression.Lambda(currentSimpleChainExpression, parameter);
@ -121,24 +121,24 @@ namespace PoweredSoft.DynamicLinq.ConsoleApp
var left = RecursiveSelect(piece.Parent);
// the parent.
var parent = Expression.PropertyOrField(left, piece.Parent.Name) as Expression;
var parentExpression = Expression.PropertyOrField(left, piece.Parent.Name) as Expression;
if (NullChecking != SelectNullHandling.LeaveAsIs)
{
var nullCheckParameter = ResolveParameter(currentSimpleChain);
var nullCheckConditionExpression = BuildNullCheckConditionExpression(currentSimpleChain, nullCheckParameter);
var whereExpression = Expression.Call(typeof(Enumerable), "Where", new[] { piece.Parent.EnumerableType }, parent, nullCheckConditionExpression);
parent = whereExpression as Expression;
var whereExpression = Expression.Call(typeof(Enumerable), "Where", new[] { piece.Parent.EnumerableType }, parentExpression, nullCheckConditionExpression);
parentExpression = whereExpression as Expression;
}
// select.
var allPiecesAttached = Expression.Call(typeof(Enumerable),
var gluedTogetherExpression = Expression.Call(typeof(Enumerable),
"Select",
new Type[] { piece.Parent.EnumerableType, currentSimpleChainExpression.Type },
parent, currentSimpleChainExpressionLambda);
parentExpression, currentSimpleChainExpressionLambda);
// add current to parent?
return allPiecesAttached;
return gluedTogetherExpression;
}
// skip.