/// <summary>
/// Convert expression to code.
/// </summary>
/// <param name="expression">Expression.</param>
/// <param name="converter">Expression converter.</param>
/// <returns>Parts.</returns>
public override ICode Convert(MethodCallExpression expression, ExpressionConverter converter)
{
//TODO これちょっとおかしい
var startIndex = expression.SkipMethodChain(0);
var table = FromConverterAttribute.ConvertTable(converter, expression.Arguments[startIndex]);
if (table.IsEmpty)
{
return(string.Empty.ToCode());
}
var condition = ((startIndex + 1) < expression.Arguments.Count) ? converter.ConvertToCode(expression.Arguments[startIndex + 1]) : null;
var join = new HCode()
{
AddIndentNewLine = true, Separator = " ", Indent = 1
};
join.Add(_nameCode);
join.Add(table);
if (condition != null)
{
join.Add("ON".ToCode());
join.Add(condition);
}
return(join);
}
/// <summary>
/// Convert expression to code.
/// </summary>
/// <param name="expression">Expression.</param>
/// <param name="converter">Expression converter.</param>
/// <returns>Parts.</returns>
public override ICode Convert(MethodCallExpression expression, ExpressionConverter converter)
{
var name = FromConverterAttribute.GetSubQuery(expression.Arguments[0]);
var coreType = expression.Arguments[0].Type.GetGenericArgumentsEx()[0];
var info = ObjectCreateAnalyzer.MakeObjectCreateInfo(coreType);
//TODO
return(new WithEntriedCode(Line(name.ToCode(), Blanket(info.Members.Select(e => e.Name.ToCode()).ToArray())), new[] { name }));
}
static ICode ConvertNormalWith(ExpressionConverter converter, NewArrayExpression arry)
{
var with = new VCode()
{
Indent = 1, Separator = ","
};
var names = new List <string>();
foreach (var e in arry.Expressions)
{
var table = converter.ConvertToCode(e);
var body = FromConverterAttribute.GetSubQuery(e);
names.Add(body);
with.Add(Clause(LineSpace(body.ToCode(), "AS".ToCode()), table));
}
return(new WithEntriedCode(new VCode("WITH".ToCode(), with), names.ToArray()));
}
