private void ResolveLength(ExpressionParameter parameter, bool?isLeft, MemberExpression expression)
{
if (parameter.Context.ResolveType == ResolveExpressType.FieldSingle)
{
parameter.Context.ResolveType = ResolveExpressType.WhereSingle;
}
if (parameter.Context.ResolveType == ResolveExpressType.FieldMultiple)
{
parameter.Context.ResolveType = ResolveExpressType.WhereMultiple;
}
var oldCommonTempDate = parameter.CommonTempData;
parameter.CommonTempData = CommonTempDataType.Result;
this.Expression = expression.Expression;
var isConst = this.Expression is ConstantExpression;
this.Start();
var methodParamter = new MethodCallExpressionArgs()
{
IsMember = !isConst, MemberName = parameter.CommonTempData, MemberValue = null
};
var result = this.Context.DbMehtods.Length(new MethodCallExpressionModel()
{
Args = new List <MethodCallExpressionArgs>()
{
methodParamter
}
});
base.AppendMember(parameter, isLeft, result);
parameter.CommonTempData = oldCommonTempDate;
}
protected MethodCallExpressionArgs GetMethodCallArgs(ExpressionParameter parameter, Expression item)
{
var newContext = this.Context.GetCopyContext();
newContext.MappingColumns = this.Context.MappingColumns;
newContext.MappingTables = this.Context.MappingTables;
newContext.IgnoreComumnList = this.Context.IgnoreComumnList;
newContext.IsSingle = this.Context.IsSingle;
newContext.SqlFuncServices = this.Context.SqlFuncServices;
newContext.Resolve(item, this.Context.IsJoin ? ResolveExpressType.WhereMultiple : ResolveExpressType.WhereSingle);
this.Context.Index = newContext.Index;
this.Context.ParameterIndex = newContext.ParameterIndex;
if (newContext.Parameters.HasValue())
{
this.Context.Parameters.AddRange(newContext.Parameters);
}
if (newContext.SingleTableNameSubqueryShortName.HasValue())
{
this.Context.SingleTableNameSubqueryShortName = newContext.SingleTableNameSubqueryShortName;
}
var methodCallExpressionArgs = new MethodCallExpressionArgs()
{
IsMember = true,
MemberName = newContext.Result.GetResultString()
};
return(methodCallExpressionArgs);
}
private void AppendItem(ExpressionParameter parameter, string name, IEnumerable <Expression> args, MethodCallExpressionModel model, Expression item)
{
if (ExpressionTool.IsUnConvertExpress(item))
{
item = (item as UnaryExpression).Operand;
}
var isBinaryExpression = item is BinaryExpression || item is MethodCallExpression;
var isConst = item is ConstantExpression;
var isIIF = name == "IIF";
var isIFFBoolMember = isIIF && (item is MemberExpression) && (item as MemberExpression).Type == UtilConstants.BoolType;
var isIFFUnary = isIIF && (item is UnaryExpression) && (item as UnaryExpression).Operand.Type == UtilConstants.BoolType;
var isIFFBoolBinary = isIIF && (item is BinaryExpression) && (item as BinaryExpression).Type == UtilConstants.BoolType;
var isIFFBoolMethod = isIIF && (item is MethodCallExpression) && (item as MethodCallExpression).Type == UtilConstants.BoolType;
var isFirst = item == args.First();
if (isFirst && isIIF && isConst)
{
var value = (item as ConstantExpression).Value.ObjToBool() ? this.Context.DbMehtods.True() : this.Context.DbMehtods.False();
var methodCallExpressionArgs = new MethodCallExpressionArgs()
{
IsMember = true,
MemberName = value,
MemberValue = value
};
model.Args.Add(methodCallExpressionArgs);
}
else if (isIFFUnary && !isFirst)
{
AppendModelByIIFMember(parameter, model, (item as UnaryExpression).Operand);
}
else if (isIFFBoolMember && !isFirst)
{
AppendModelByIIFMember(parameter, model, item);
}
else if (isIFFBoolBinary && !isFirst)
{
AppendModelByIIFBinary(parameter, model, item);
}
else if (isIFFBoolMethod && !isFirst)
{
AppendModelByIIFMethod(parameter, model, item);
}
else if (isBinaryExpression)
{
model.Args.Add(GetMethodCallArgs(parameter, item));
}
else
{
AppendModel(parameter, model, item);
}
}
private void AppendModelByIIFMember(ExpressionParameter parameter, MethodCallExpressionModel model, Expression item)
{
parameter.CommonTempData = CommonTempDataType.Result;
base.Expression = item;
base.Start();
var methodCallExpressionArgs = new MethodCallExpressionArgs()
{
IsMember = parameter.ChildExpression is MemberExpression,
MemberName = parameter.CommonTempData
};
if (methodCallExpressionArgs.IsMember && parameter.ChildExpression != null && parameter.ChildExpression.ToString() == "DateTime.Now")
{
methodCallExpressionArgs.IsMember = false;
}
var value = methodCallExpressionArgs.MemberName;
if (methodCallExpressionArgs.IsMember)
{
var childExpression = parameter.ChildExpression as MemberExpression;
if (childExpression.Expression != null && childExpression.Expression is ConstantExpression)
{
methodCallExpressionArgs.IsMember = false;
}
}
if (methodCallExpressionArgs.IsMember == false)
{
var parameterName = this.Context.SqlParameterKeyWord + ExpressionConst.MethodConst + this.Context.ParameterIndex;
this.Context.ParameterIndex++;
methodCallExpressionArgs.MemberName = parameterName;
methodCallExpressionArgs.MemberValue = value;
this.Context.Parameters.Add(new DbLiteParameter(parameterName, value));
}
model.Args.Add(methodCallExpressionArgs);
parameter.ChildExpression = null;
}
private void ResolveHasValue(ExpressionParameter parameter, MemberExpression expression)
{
parameter.CommonTempData = CommonTempDataType.Result;
this.Expression = expression.Expression;
this.Start();
var methodParamter = new MethodCallExpressionArgs()
{
IsMember = true, MemberName = parameter.CommonTempData, MemberValue = null
};
if (expression.Expression?.Type != null)
{
methodParamter.Type = UtilMethods.GetUnderType(expression.Expression?.Type);
}
var result = this.Context.DbMehtods.HasValue(new MethodCallExpressionModel()
{
Args = new List <MethodCallExpressionArgs>()
{
methodParamter
}
});
if (parameter.BaseExpression != null && ExpressionTool.IsLogicOperator(parameter.BaseExpression) && parameter.IsLeft == true)
{
if (base.Context.Result.Contains(ExpressionConst.FormatSymbol))
{
base.Context.Result.Replace(ExpressionConst.FormatSymbol, "");
}
this.Context.Result.Append(result + " " + ExpressionTool.GetOperator(parameter.BaseExpression.NodeType) + " ");
}
else
{
this.Context.Result.Append(result);
}
parameter.CommonTempData = null;
}
public string GeDateFormat(string formatString, string value)
{
var parameter = new MethodCallExpressionArgs()
{
IsMember = true, MemberValue = DateType.Year
};
var parameter2 = new MethodCallExpressionArgs()
{
IsMember = true, MemberName = value
};
var parameters = new MethodCallExpressionModel()
{
Args = new List <MethodCallExpressionArgs>()
{
parameter2, parameter
}
};
var begin = @"^";
var end = @"$";
formatString = formatString.Replace("yyyy", begin + UtilMethods.ConvertStringToNumbers(this.GetMethodValue("DateValue", parameters).ObjToString()) + end);
formatString = formatString.Replace("yy", begin + UtilMethods.ConvertStringToNumbers(this.GetMethodValue("DateValue", parameters).ObjToString()) + end);
parameters.Args.Last().MemberValue = DateType.Month;
formatString = formatString.Replace("MM", begin + UtilMethods.ConvertStringToNumbers(this.GetMethodValue("DateValue", parameters).ObjToString()) + end);
formatString = formatString.Replace("M", begin + UtilMethods.ConvertStringToNumbers(this.GetMethodValue("DateValue", parameters).ObjToString()) + end);
parameters.Args.Last().MemberValue = DateType.Day;
formatString = formatString.Replace("dd", begin + UtilMethods.ConvertStringToNumbers(this.GetMethodValue("DateValue", parameters).ObjToString()) + end);
formatString = formatString.Replace("d", begin + UtilMethods.ConvertStringToNumbers(this.GetMethodValue("DateValue", parameters).ObjToString()) + end);
parameters.Args.Last().MemberValue = DateType.Hour;
formatString = Regex.Replace(formatString, "hh", begin + UtilMethods.ConvertStringToNumbers(this.GetMethodValue("DateValue", parameters).ObjToString()) + end, RegexOptions.IgnoreCase);
formatString = Regex.Replace(formatString, "h", begin + UtilMethods.ConvertStringToNumbers(this.GetMethodValue("DateValue", parameters).ObjToString()) + end, RegexOptions.IgnoreCase);
parameters.Args.Last().MemberValue = DateType.Minute;
formatString = formatString.Replace("mm", begin + UtilMethods.ConvertStringToNumbers(this.GetMethodValue("DateValue", parameters).ObjToString()) + end);
formatString = formatString.Replace("m", begin + UtilMethods.ConvertStringToNumbers(this.GetMethodValue("DateValue", parameters).ObjToString()) + end);
parameters.Args.Last().MemberValue = DateType.Second;
formatString = formatString.Replace("ss", begin + UtilMethods.ConvertStringToNumbers(this.GetMethodValue("DateValue", parameters).ObjToString()) + end);
formatString = formatString.Replace("s", begin + UtilMethods.ConvertStringToNumbers(this.GetMethodValue("DateValue", parameters).ObjToString()) + end);
parameters.Args.Last().MemberValue = DateType.Millisecond;
formatString = formatString.Replace("ms", begin + UtilMethods.ConvertStringToNumbers(this.GetMethodValue("DateValue", parameters).ObjToString()) + end);
var items = Regex.Matches(formatString, @"\^\d+\$").Cast <Match>().ToList();
foreach (var item in items)
{
formatString = formatString.Replace(item.Value, "$@" + UtilMethods.ConvertNumbersToString(item.Value.TrimStart('^').TrimEnd('$')) + "$");
}
var strings = formatString.TrimStart('$').TrimEnd('$').Split('$');
var joinStringParameter = new MethodCallExpressionModel()
{
Args = new List <MethodCallExpressionArgs>()
};
foreach (var r in strings)
{
if (r.Substring(0, 1) == "@")
{
joinStringParameter.Args.Add(new MethodCallExpressionArgs()
{
MemberName = r.TrimStart('@')
});
}
else
{
var name = base.AppendParameter(r);
joinStringParameter.Args.Add(new MethodCallExpressionArgs()
{
MemberName = name
});
}
}
return(this.GetMethodValue("MergeString", joinStringParameter).ObjToString());
}
private void AppendModel(ExpressionParameter parameter, MethodCallExpressionModel model, Expression item)
{
parameter.CommonTempData = CommonTempDataType.Result;
base.Expression = item;
if (item.Type == UtilConstants.DateType && parameter.CommonTempData.ObjToString() == CommonTempDataType.Result.ToString() && item.ToString() == "DateTime.Now.Date")
{
parameter.CommonTempData = DateTime.Now.Date;
}
else if (IsDateDate(item))
{
parameter.CommonTempData = GetNewExpressionValue(item);
}
else if (IsDateValue(item))
{
parameter.CommonTempData = GetNewExpressionValue(item);
}
else if (model.Name == "ToString" && item is ConstantExpression && (item as ConstantExpression).Type.IsEnum())
{
parameter.CommonTempData = item.ToString();
}
else
{
base.Start();
}
var methodCallExpressionArgs = new MethodCallExpressionArgs()
{
IsMember = parameter.ChildExpression is MemberExpression && !ExpressionTool.IsConstExpression(parameter.ChildExpression as MemberExpression),
MemberName = parameter.CommonTempData
};
if (methodCallExpressionArgs.IsMember && parameter.ChildExpression != null && parameter.ChildExpression.ToString() == "DateTime.Now")
{
methodCallExpressionArgs.IsMember = false;
}
var value = methodCallExpressionArgs.MemberName;
if (methodCallExpressionArgs.IsMember)
{
var childExpression = parameter.ChildExpression as MemberExpression;
if (childExpression.Expression != null && childExpression.Expression is ConstantExpression)
{
methodCallExpressionArgs.IsMember = false;
}
}
if (IsDateDate(item) || IsDateValue(item))
{
methodCallExpressionArgs.IsMember = true;
}
if (methodCallExpressionArgs.IsMember == false && (item is MethodCallExpression && item.ToString() == "GetDate()") || (item is UnaryExpression && ((UnaryExpression)item).Operand.ToString() == "GetDate()"))
{
var parameterName = this.Context.SqlParameterKeyWord + ExpressionConst.MethodConst + this.Context.ParameterIndex;
this.Context.ParameterIndex++;
methodCallExpressionArgs.MemberName = value;
methodCallExpressionArgs.MemberValue = null;
}
else if (methodCallExpressionArgs.IsMember == false)
{
var parameterName = this.Context.SqlParameterKeyWord + ExpressionConst.MethodConst + this.Context.ParameterIndex;
this.Context.ParameterIndex++;
methodCallExpressionArgs.MemberName = parameterName;
methodCallExpressionArgs.MemberValue = value;
this.Context.Parameters.Add(new DbLiteParameter(parameterName, value));
}
model.Args.Add(methodCallExpressionArgs);
parameter.ChildExpression = null;
}