object GetRightfulValue(Expression e, object val)
{
object tempVal;
if (e.Type.TryChangeValueType(val, out tempVal))
{
return(tempVal);
}
else
{
//如果val为IEnumerable那么不需要转换
if (val is IEnumerable)
{
return(val);
}
OtherParser.TryParse(e, out val);
return(val);
}
}
public bool TryParse(Expression e, out object val,
MemberInfo memberInfo = null,
IReadOnlyList <Expression> args = null)
{
bool bOther = false;
if (MethodCallParser.TryParse(e, out val, memberInfo, args))
{
}
else if (MemberParser.TryParse(e, out val, memberInfo, args))
{
}
else if (ConstParser.TryParse(e, out val, memberInfo, args))
{
}
else if (NewArrayParser.TryParse(e, out val, memberInfo, args))
{
//解析出来之后，显示的数据依然是：Trim(value(System.Char[]))
//在EF的Where中是不支持l.name.Trim('_')这样的操作的，只能支持：l.name.Trim()
//但是还是需要进行解析，不然会交由OtherParser（DynamicParser）进行解析了
}
else if (UnaryParser.TryParse(e, out val, memberInfo, args))
{
}
else
{
bOther = true;
OtherParser.TryParse(e, out val, memberInfo, args);
}
//不是OtherParser解析的，而且val不为null，判断val的类型与Expression.Type的类型是否一致
if (!bOther && val != null)
{
val = GetRightfulValue(e, val);
}
return(true);
}
private static void Main(string[] args)
{
var directory = args[0];
if (!Directory.Exists(directory))
{
Console.Error.WriteLine("Path {0} does not exist. Please provide a path with bank statements", args[0]);
return;
}
var result = Directory
.GetFiles(directory, "*.pdf")
.SelectMany(Utilities.Parse)
.OrderBy(l => l.TransactionDate)
.Where(l => l.TransactionDate.Year == 2018)
.ToList();
var x = OtherParser.ReadDataxCsv(@"S:\FellesRegnskap\2018\Kontoutskrift\datax.csv");
var(fir, la) = Utilities.CompareListe(result, x);
Console.WriteLine("First {0} of {1}", fir.Count, result.Count);
foreach (var r in fir)
{
Console.WriteLine(r);
}
Console.WriteLine("\nSecond {0} of {1}", la.Count, x.Count);
foreach (var r in la)
{
Console.WriteLine(r);
}
Console.ReadLine();
}