public string BuildExpression(Dictionary<string, Expression> selectExpressions)
{
var anonymousTypeCreateExpression = new AnonymousTypeCreateExpression();
var crrv = new ChangeRootReferenceVisitor(FromIdentifier);
foreach (var curExpr in selectExpressions.OrderBy(x => x.Key))
{
curExpr.Value.AcceptVisitor(crrv);
anonymousTypeCreateExpression.Initializers.Add(
new AssignmentExpression(new IdentifierExpression(curExpr.Key), curExpr.Value.Clone()));
}
if (FromExpression == null)
FromExpression = new IdentifierExpression();
var queryExpr = new QueryExpression
{
Clauses =
{
new QueryFromClause
{
Identifier = "doc",
Expression = FromExpression.Clone()
},
new QuerySelectClause
{
Expression = anonymousTypeCreateExpression.Clone()
}
}
};
FromIdentifier = "doc";
var printer = new StringWriter();
var printerVisitor = new CSharpOutputVisitor(printer, FormattingOptionsFactory.CreateSharpDevelop());
queryExpr.AcceptVisitor(printerVisitor);
return printer.GetStringBuilder().ToString();
}
public string BuildExpression(Dictionary <string, Expression> selectExpressions)
{
var anonymousTypeCreateExpression = new AnonymousTypeCreateExpression();
var crrv = new ChangeRootReferenceVisitor(FromIdentifier);
foreach (var curExpr in selectExpressions.OrderBy(x => x.Key))
{
curExpr.Value.AcceptVisitor(crrv);
anonymousTypeCreateExpression.Initializers.Add(
new AssignmentExpression(new IdentifierExpression(curExpr.Key), curExpr.Value.Clone()));
}
if (FromExpression == null)
{
FromExpression = new IdentifierExpression();
}
var queryExpr = new QueryExpression
{
Clauses =
{
new QueryFromClause
{
Identifier = "doc",
Expression = FromExpression.Clone()
},
new QuerySelectClause
{
Expression = anonymousTypeCreateExpression.Clone()
}
}
};
FromIdentifier = "doc";
var printer = new StringWriter();
var printerVisitor = new CSharpOutputVisitor(printer, FormattingOptionsFactory.CreateSharpDevelop());
queryExpr.AcceptVisitor(printerVisitor);
var format = printer.GetStringBuilder().ToString();
if (format.Substring(0, 3) == "\r\n\t")
{
format = format.Remove(0, 3);
}
format = format.Replace("\r\n\t", "\n");
return(format);
}
