private void Select(MemberInitExpression expression, ExpressionParameter parameter, bool isSingle)
{
foreach (MemberBinding binding in expression.Bindings)
{
if (binding.BindingType != MemberBindingType.Assignment)
{
throw new NotSupportedException();
}
MemberAssignment memberAssignment = (MemberAssignment)binding;
var memberName = memberAssignment.Member.Name;
var item = memberAssignment.Expression;
ResolveNewExpressions(parameter, item, memberName);
}
}
protected void AppendMember(ExpressionParameter parameter, bool?isLeft, object appendValue)
{
Context.ParameterIndex++;
if (isLeft == true)
{
appendValue += ExpressionConst.ExpressionReplace + parameter.BaseParameter.Index;
}
if (this.Context.Result.Contains(ExpressionConst.FormatSymbol))
{
this.Context.Result.Replace(ExpressionConst.FormatSymbol, appendValue.ObjToString());
}
else
{
this.Context.Result.Append(appendValue);
}
}
public MemberNoExpressionResolve(ExpressionParameter parameter) : base(parameter)
{
var expression = base.Expression as MemberExpression;
var isLeft = parameter.IsLeft;
object value = null;
var isField = expression.Member is System.Reflection.FieldInfo;
var isProperty = expression.Member is System.Reflection.PropertyInfo;
var baseParameter = parameter.BaseParameter;
var isSetTempData = baseParameter.CommonTempData.HasValue() && baseParameter.CommonTempData.Equals(CommonTempDataType.Result);
if (isField)
{
value = ExpressionTool.GetFiledValue(expression);
}
else if (isProperty)
{
value = ExpressionTool.GetPropertyValue(expression);
}
switch (base.Context.ResolveType)
{
case ResolveExpressType.WhereSingle:
case ResolveExpressType.WhereMultiple:
case ResolveExpressType.SelectSingle:
case ResolveExpressType.SelectMultiple:
case ResolveExpressType.Update:
if (isSetTempData)
{
baseParameter.CommonTempData = value;
}
else
{
AppendValue(parameter, isLeft, value);
}
break;
case ResolveExpressType.FieldSingle:
break;
case ResolveExpressType.FieldMultiple:
break;
default:
break;
}
}
private void Append(ExpressionParameter parameter, ExpressionType nodeType)
{
BaseParameter.ChildExpression = base.Expression;
this.IsLeft = parameter.IsLeft;
parameter.CommonTempData = CommonTempDataType.Append;
if (nodeType == ExpressionType.Not)
{
AppendNot(parameter.CommonTempData);
}
if (nodeType == ExpressionType.Negate)
{
AppendNegate(parameter.CommonTempData);
}
base.Start();
parameter.BaseParameter.CommonTempData = parameter.CommonTempData;
parameter.BaseParameter.ChildExpression = base.Expression;
parameter.CommonTempData = null;
}
private void NewValueType(ExpressionParameter parameter, NewExpression expression)
{
try
{
var value = ExpressionTool.DynamicInvoke(expression);
var isSetTempData = parameter.CommonTempData.HasValue() && parameter.CommonTempData.Equals(CommonTempDataType.Result);
if (isSetTempData)
{
parameter.CommonTempData = value;
}
else
{
AppendValue(parameter, parameter.IsLeft, value);
}
}
catch (Exception ex)
{
Check.Exception(expression.Type == UtilConstants.DateType, "ThrowNotSupportedException {0} ", ex.ToString());
}
}
public TypeParameterExpressionReolve(ExpressionParameter parameter) : base(parameter)
{
var expression = (ParameterExpression)base.Expression;
switch (parameter.Context.ResolveType)
{
case ResolveExpressType.WhereSingle:
break;
case ResolveExpressType.WhereMultiple:
break;
case ResolveExpressType.Update:
parameter.BaseParameter.CommonTempData = expression.Name;
break;
case ResolveExpressType.SelectSingle:
case ResolveExpressType.SelectMultiple:
if (parameter.BaseParameter != null && parameter.BaseParameter.CurrentExpression.NodeType == ExpressionType.Lambda)
{
this.Context.Result.Append(expression.Name + ".*");
}
else
{
parameter.BaseParameter.CommonTempData = expression.Name;
}
break;
case ResolveExpressType.FieldSingle:
break;
case ResolveExpressType.FieldMultiple:
break;
case ResolveExpressType.Join:
break;
default:
break;
}
}
private void CusMethod(ExpressionParameter parameter, MethodCallExpression express, bool?isLeft)
{
try
{
var constValue = ExpressionTool.DynamicInvoke(express);
parameter.BaseParameter.CommonTempData = constValue;
var parameterName = base.AppendParameter(constValue);
if (parameter.BaseParameter.CommonTempData != null && parameter.BaseParameter.CommonTempData.Equals(CommonTempDataType.Result))
{
this.Context.Result.Append(parameterName);
}
else
{
base.AppendValue(parameter, isLeft, parameterName);
}
}
catch
{
Check.Exception(true, string.Format(ErrorMessage.MethodError, express.Method.Name));
}
}
private void ResolveCallValue(ExpressionParameter parameter, ExpressionParameter baseParameter, MemberExpression expression, bool?isLeft, bool isSetTempData, bool isSingle)
{
try
{
baseParameter.ChildExpression = expression;
string fieldName = string.Empty;
if (isSetTempData)
{
var value = ExpressionTool.DynamicInvoke(expression);
baseParameter.CommonTempData = value;
}
else
{
var value = ExpressionTool.DynamicInvoke(expression);
base.AppendValue(parameter, isLeft, value);
}
}
catch
{
Check.Exception(true, "Not Support {0}", expression.ToString());
}
}
private void ResolveDateDate(ExpressionParameter parameter, bool?isLeft, MemberExpression expression)
{
var name = expression.Member.Name;
var oldCommonTempDate = parameter.CommonTempData;
parameter.CommonTempData = CommonTempDataType.Result;
this.Expression = expression.Expression;
this.Start();
var isConst = parameter.CommonTempData.GetType() == UtilConstants.DateType;
if (isConst)
{
AppendValue(parameter, isLeft, parameter.CommonTempData.ObjToDate().Date);
}
else
{
var GetYear = new MethodCallExpressionModel()
{
Args = new List <MethodCallExpressionArgs>()
{
new MethodCallExpressionArgs()
{
IsMember = true, MemberName = parameter.CommonTempData, MemberValue = parameter.CommonTempData
},
new MethodCallExpressionArgs()
{
MemberName = DateType.Year, MemberValue = DateType.Year
}
}
};
AppendMember(parameter, isLeft, GetToDate(this.Context.DbMehtods.MergeString(
this.GetDateValue(parameter.CommonTempData, DateType.Year),
"'-'",
this.GetDateValue(parameter.CommonTempData, DateType.Month),
"'-'",
this.GetDateValue(parameter.CommonTempData, DateType.Day))));
}
parameter.CommonTempData = oldCommonTempDate;
}
protected void SqlFuncMethod(ExpressionParameter parameter, MethodCallExpression express, bool?isLeft)
{
if (!CheckMethod(express))
{
CusMethod(parameter, express, isLeft);
}
else
{
var method = express.Method;
string name = method.Name;
var args = express.Arguments.Cast <Expression>().ToList();
MethodCallExpressionModel model = new MethodCallExpressionModel();
model.Args = new List <MethodCallExpressionArgs>();
switch (this.Context.ResolveType)
{
case ResolveExpressType.WhereSingle:
case ResolveExpressType.WhereMultiple:
Check.Exception(name == "GetSelfAndAutoFill", "SqlFunc.GetSelfAndAutoFill can only be used in Select.");
Where(parameter, isLeft, name, args, model);
break;
case ResolveExpressType.SelectSingle:
case ResolveExpressType.SelectMultiple:
case ResolveExpressType.Update:
Select(parameter, isLeft, name, args, model);
break;
case ResolveExpressType.FieldSingle:
case ResolveExpressType.FieldMultiple:
Field(parameter, isLeft, name, args, model);
break;
default:
break;
}
}
}
public MemberConstExpressionResolve(ExpressionParameter parameter) : base(parameter)
{
var expression = base.Expression as MemberExpression;
var isLeft = parameter.IsLeft;
object value = ExpressionTool.GetMemberValue(expression.Member, expression);
var baseParameter = parameter.BaseParameter;
var isSetTempData = baseParameter.CommonTempData.HasValue() && baseParameter.CommonTempData.Equals(CommonTempDataType.Result);
switch (parameter.Context.ResolveType)
{
case ResolveExpressType.Update:
case ResolveExpressType.SelectSingle:
case ResolveExpressType.SelectMultiple:
if (value != null && value.GetType().IsEnum())
{
value = Convert.ToInt64(value);
}
parameter.BaseParameter.CommonTempData = value;
break;
case ResolveExpressType.WhereSingle:
case ResolveExpressType.WhereMultiple:
if (isSetTempData)
{
baseParameter.CommonTempData = value;
}
else
{
AppendValue(parameter, isLeft, value);
}
break;
case ResolveExpressType.FieldSingle:
case ResolveExpressType.FieldMultiple:
break;
}
}
public ConditionalExpressionResolve(ExpressionParameter parameter) : base(parameter)
{
string name = "IIF";
var express = base.Expression as ConditionalExpression;
var args = new List <Expression>()
{
express.Test,
express.IfTrue,
express.IfFalse
};
var isLeft = parameter.IsLeft;
MethodCallExpressionModel model = new MethodCallExpressionModel();
model.Args = new List <MethodCallExpressionArgs>();
switch (this.Context.ResolveType)
{
case ResolveExpressType.WhereSingle:
case ResolveExpressType.WhereMultiple:
Check.Exception(name == "GetSelfAndAutoFill", "SqlFunc.GetSelfAndAutoFill can only be used in Select.");
base.Where(parameter, isLeft, name, args, model);
break;
case ResolveExpressType.SelectSingle:
case ResolveExpressType.SelectMultiple:
case ResolveExpressType.Update:
base.Select(parameter, isLeft, name, args, model);
break;
case ResolveExpressType.FieldSingle:
case ResolveExpressType.FieldMultiple:
base.Field(parameter, isLeft, name, args, model);
break;
default:
break;
}
}
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 SugarParameter(parameterName, value));
}
model.Args.Add(methodCallExpressionArgs);
parameter.ChildExpression = null;
}
private void ResolveDateValue(ExpressionParameter parameter, bool?isLeft, MemberExpression expression)
{
var name = expression.Member.Name;
var oldCommonTempDate = parameter.CommonTempData;
parameter.CommonTempData = CommonTempDataType.Result;
this.Expression = expression.Expression;
var isConst = this.Expression is ConstantExpression;
if (this.Expression.Type == UtilConstants.DateType && this.Expression.ToString() == "DateTime.Now")
{
this.Expression = expression;
var parameterName = base.AppendParameter(ExpressionTool.GetMemberValue(expression.Member, expression));
base.AppendMember(parameter, isLeft, parameterName);
}
else
{
this.Start();
var result = this.Context.DbMehtods.DateValue(new MethodCallExpressionModel()
{
Args = new List <MethodCallExpressionArgs>()
{
new MethodCallExpressionArgs()
{
IsMember = !isConst, MemberName = parameter.CommonTempData, MemberValue = null
},
new MethodCallExpressionArgs()
{
IsMember = true, MemberName = name, MemberValue = name
}
}
});
base.AppendMember(parameter, isLeft, result);
}
parameter.CommonTempData = oldCommonTempDate;
}
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 BinaryExpressionResolve(ExpressionParameter parameter) : base(parameter)
{
var expression = this.Expression as BinaryExpression;
var operatorValue = parameter.OperatorValue = ExpressionTool.GetOperator(expression.NodeType);
var isEqual = expression.NodeType == ExpressionType.Equal;
var isComparisonOperator = ExpressionTool.IsComparisonOperator(expression);
base.ExactExpression = expression;
var leftExpression = expression.Left;
var rightExpression = expression.Right;
var leftIsBinary = leftExpression is BinaryExpression;
var rightBinary = rightExpression is BinaryExpression;
var lbrs = leftIsBinary && !rightBinary;
var lsrb = !leftIsBinary && rightBinary;
var lbrb = rightBinary && leftIsBinary;
var lsbs = !leftIsBinary && !rightBinary;
var isAppend = !base.Context.Result.Contains(ExpressionConst.FormatSymbol);
if (isAppend)
{
base.Context.Result.Append(ExpressionConst.LeftParenthesis);
base.Context.Result.Append(ExpressionConst.FormatSymbol);
}
else
{
base.Context.Result.Replace(ExpressionConst.FormatSymbol, ExpressionConst.LeftParenthesis + ExpressionConst.FormatSymbol);
}
if (leftExpression is UnaryExpression && (leftExpression as UnaryExpression).Operand is UnaryExpression && (leftExpression as UnaryExpression).NodeType == ExpressionType.Convert)
{
leftExpression = (leftExpression as UnaryExpression).Operand;
}
if (leftExpression is UnaryExpression && (leftExpression as UnaryExpression).Operand.Type == UtilConstants.BoolType && (leftExpression as UnaryExpression).NodeType == ExpressionType.Convert && rightExpression.Type == UtilConstants.BoolTypeNull)
{
leftExpression = (leftExpression as UnaryExpression).Operand;
}
if (rightExpression is UnaryExpression && (rightExpression as UnaryExpression).Operand.Type == UtilConstants.BoolType && (rightExpression as UnaryExpression).NodeType == ExpressionType.Convert)
{
rightExpression = (rightExpression as UnaryExpression).Operand;
}
parameter.LeftExpression = leftExpression;
parameter.RightExpression = rightExpression;
base.Expression = leftExpression;
base.IsLeft = true;
base.Start();
if (leftExpression is UnaryExpression && leftExpression.Type == UtilConstants.BoolType && !this.Context.Result.Contains(ExpressionConst.ExpressionReplace))
{
this.Context.Result.AppendFormat(" {0} ", ExpressionTool.GetOperator(expression.NodeType));
}
base.IsLeft = false;
base.Expression = rightExpression;
base.Start();
base.IsLeft = null;
if (lsbs && parameter.ValueIsNull)
{
base.Context.Result.Replace(ExpressionConst.ExpressionReplace + parameter.Index, isEqual ? "IS" : "IS NOT");
base.Context.Result.Replace(ExpressionConst.ExpressionReplace + (parameter.Index + 1), isEqual ? "IS" : "IS NOT");
}
else
{
base.Context.Result.Replace(ExpressionConst.ExpressionReplace + parameter.Index, operatorValue);
base.Context.Result.Replace(ExpressionConst.ExpressionReplace + (parameter.Index + 1), operatorValue);
}
base.Context.Result.Append(ExpressionConst.RightParenthesis);
if (parameter.BaseExpression is BinaryExpression && parameter.IsLeft == true)
{
base.Context.Result.Append(" " + ExpressionConst.ExpressionReplace + parameter.BaseParameter.Index + " ");
}
}
public MethodCallExpressionResolve(ExpressionParameter parameter) : base(parameter)
{
contextIndex = this.Context.Index;
var express = base.Expression as MethodCallExpression;
if (express == null)
{
return;
}
var isLeft = parameter.IsLeft;
string methodName = express.Method.Name;
var isValidNativeMethod = IsValidNativeMethod(express, methodName);
List <MethodCallExpressionArgs> appendArgs = null;
if (MethodTimeMapping.ContainsKey(methodName))
{
appendArgs = new List <MethodCallExpressionArgs>();
var dateType = MethodTimeMapping[methodName];
string paramterName = this.Context.SqlParameterKeyWord + ExpressionConst.Const + this.Context.ParameterIndex;
appendArgs.Add(new MethodCallExpressionArgs()
{
IsMember = false, MemberName = paramterName, MemberValue = dateType
});
this.Context.Parameters.Add(new SugarParameter(paramterName, dateType.ToString()));
this.Context.ParameterIndex++;
methodName = "DateAdd";
isValidNativeMethod = true;
}
else if (methodName == "get_Item")
{
string paramterName = this.Context.SqlParameterKeyWord + ExpressionConst.Const + this.Context.ParameterIndex;
this.Context.Parameters.Add(new SugarParameter(paramterName, ExpressionTool.DynamicInvoke(express)));
this.Context.Result.Append(string.Format(" {0} ", paramterName));
this.Context.ParameterIndex++;
return;
}
else if (methodName == "NewGuid")
{
this.Context.Result.Append(this.Context.DbMehtods.GuidNew());
return;
}
else if (IsSubMethod(express, methodName))
{
//Check.Exception(!(parameter.BaseExpression is BinaryExpression), "Current expressions are not supported");
SubResolve subResolve = new SubResolve(express, this.Context, parameter.OppsiteExpression);
var appendSql = subResolve.GetSql();
if (this.Context.ResolveType.IsIn(ResolveExpressType.SelectMultiple, ResolveExpressType.SelectSingle) || (parameter.BaseParameter != null && parameter.BaseParameter.CommonTempData != null && parameter.BaseParameter.CommonTempData.Equals(CommonTempDataType.Result)))
{
parameter.BaseParameter.CommonTempData = appendSql;
}
else
{
base.AppendValue(parameter, isLeft, appendSql);
}
return;
}
else if (IsIfElse(express, methodName))
{
CaseWhenResolve caseResole = new CaseWhenResolve(express, this.Context, parameter.OppsiteExpression);
var appendSql = caseResole.GetSql();
var isRoot = contextIndex == 2 && parameter.BaseExpression == null;
if (isRoot || (parameter.BaseExpression != null && ExpressionTool.IsLogicOperator(parameter.BaseExpression)))
{
appendSql = appendSql + "=1 ";
}
if (this.Context.ResolveType.IsIn(ResolveExpressType.SelectMultiple, ResolveExpressType.SelectSingle, ResolveExpressType.Update))
{
parameter.BaseParameter.CommonTempData = appendSql;
}
else
{
base.AppendValue(parameter, isLeft, appendSql);
}
return;
}
if (IsContainsArray(express, methodName, isValidNativeMethod))
{
methodName = "ContainsArray";
isValidNativeMethod = true;
}
if (isValidNativeMethod)
{
NativeExtensionMethod(parameter, express, isLeft, MethodMapping[methodName], appendArgs);
}
else
{
SqlFuncMethod(parameter, express, isLeft);
}
}
public UnaryExpressionResolve(ExpressionParameter parameter) : base(parameter)
{
var oldExpression = base.Expression;
var expression = base.Expression as UnaryExpression;
var baseParameter = parameter.BaseParameter;
switch (this.Context.ResolveType)
{
case ResolveExpressType.WhereSingle:
case ResolveExpressType.WhereMultiple:
case ResolveExpressType.FieldSingle:
case ResolveExpressType.FieldMultiple:
case ResolveExpressType.SelectSingle:
case ResolveExpressType.SelectMultiple:
case ResolveExpressType.ArraySingle:
case ResolveExpressType.ArrayMultiple:
case ResolveExpressType.Update:
var nodeType = expression.NodeType;
base.Expression = expression.Operand;
var isMember = expression.Operand is MemberExpression;
var isConst = expression.Operand is ConstantExpression;
var offsetIsNull = (parameter.OppsiteExpression is ConstantExpression) &&
(parameter.OppsiteExpression as ConstantExpression).Value == null &&
ExpressionTool.IsComparisonOperator(expression.Operand);
if (isMember && offsetIsNull)
{
Append(parameter, nodeType);
}
else if (baseParameter.CurrentExpression is NewArrayExpression)
{
Result(parameter, nodeType);
}
else if (baseParameter.OperatorValue == "=" && IsNotMember(oldExpression))
{
AppendNotMember(parameter, nodeType);
}
else if (baseParameter.OperatorValue == "=" && IsNotParameter(oldExpression))
{
AppendNotParameter(parameter, nodeType);
}
else if (base.Expression is BinaryExpression || parameter.BaseExpression is BinaryExpression || baseParameter.CommonTempData.ObjToString() == CommonTempDataType.Append.ToString())
{
Append(parameter, nodeType);
}
else if (isMember)
{
MemberLogic(parameter, baseParameter, nodeType);
}
else if (isConst)
{
Result(parameter, nodeType);
}
else
{
Append(parameter, nodeType);
}
break;
default:
break;
}
}
private void AppendModelByIIFBinary(ExpressionParameter parameter, MethodCallExpressionModel model, Expression item)
{
Check.Exception(true, "The SqlFunc.IIF(arg1,arg2,arg3) , {0} argument do not support ", item.ToString());
}
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 SugarParameter(parameterName, value));
}
model.Args.Add(methodCallExpressionArgs);
parameter.ChildExpression = null;
}
public ConstantExpressionResolve(ExpressionParameter parameter) : base(parameter)
{
var expression = base.Expression as ConstantExpression;
var isLeft = parameter.IsLeft;
object value = ExpressionTool.GetValue(expression.Value);
var baseParameter = parameter.BaseParameter;
baseParameter.ChildExpression = expression;
var isSetTempData = baseParameter.CommonTempData.HasValue() && baseParameter.CommonTempData.Equals(CommonTempDataType.Result);
switch (parameter.Context.ResolveType)
{
case ResolveExpressType.SelectSingle:
case ResolveExpressType.Update:
case ResolveExpressType.SelectMultiple:
baseParameter.CommonTempData = value;
break;
case ResolveExpressType.WhereSingle:
case ResolveExpressType.WhereMultiple:
if (isSetTempData)
{
baseParameter.CommonTempData = value;
}
else
{
var parentIsBinary = parameter.BaseParameter.CurrentExpression is BinaryExpression;
var parentIsRoot = parameter.BaseParameter.CurrentExpression is LambdaExpression;
var isBool = value != null && value.GetType() == UtilConstants.BoolType;
if (parentIsRoot && isBool)
{
this.Context.Result.Append(value.ObjToBool() ? this.Context.DbMehtods.True() : this.Context.DbMehtods.False());
break;
}
if (parentIsBinary && isBool)
{
var isLogicOperator =
parameter.BaseExpression.NodeType == ExpressionType.And ||
parameter.BaseExpression.NodeType == ExpressionType.AndAlso ||
parameter.BaseExpression.NodeType == ExpressionType.Or ||
parameter.BaseExpression.NodeType == ExpressionType.OrElse;
if (isLogicOperator)
{
AppendMember(parameter, isLeft, (value.ObjToBool() ? this.Context.DbMehtods.True() : this.Context.DbMehtods.False()));
break;
}
}
if (value == null && parentIsBinary)
{
parameter.BaseParameter.ValueIsNull = true;
value = this.Context.DbMehtods.Null();
}
AppendValue(parameter, isLeft, value);
}
break;
case ResolveExpressType.FieldSingle:
case ResolveExpressType.FieldMultiple:
default:
break;
}
}
public NewExpressionResolve(ExpressionParameter parameter) : base(parameter)
{
var expression = base.Expression as NewExpression;
if (expression.Type.IsIn(UtilConstants.DateType, UtilConstants.GuidType))
{
NewValueType(parameter, expression);
return;
}
switch (parameter.Context.ResolveType)
{
case ResolveExpressType.WhereSingle:
Check.ThrowNotSupportedException(expression.ToString());
break;
case ResolveExpressType.WhereMultiple:
Check.ThrowNotSupportedException(expression.ToString());
break;
case ResolveExpressType.SelectSingle:
Check.Exception(expression.Type == UtilConstants.DateType, "ThrowNotSupportedException {0} ", expression.ToString());
Select(expression, parameter, true);
break;
case ResolveExpressType.SelectMultiple:
Check.Exception(expression.Type == UtilConstants.DateType, "ThrowNotSupportedException {0} ", expression.ToString());
Select(expression, parameter, false);
break;
case ResolveExpressType.FieldSingle:
Check.ThrowNotSupportedException(expression.ToString());
break;
case ResolveExpressType.FieldMultiple:
case ResolveExpressType.ArrayMultiple:
case ResolveExpressType.ArraySingle:
foreach (var item in expression.Arguments)
{
base.Expression = item;
base.Start();
}
break;
case ResolveExpressType.Join:
base.Context.ResolveType = ResolveExpressType.WhereMultiple;
int i = 0;
foreach (var item in expression.Arguments)
{
if (item.Type != typeof(JoinType))
{
base.Expression = item;
base.Start();
}
if (item.Type == typeof(JoinType))
{
if (i > 0)
{
base.Context.Result.Append("," + item.ToString() + ",");
}
else
{
base.Context.Result.Append(item.ToString() + ",");
}
++i;
}
}
break;
default:
break;
}
}
public BaseResolve Start()
{
Context.Index++;
Expression expression = this.Expression;
ExpressionParameter parameter = new ExpressionParameter()
{
Context = this.Context,
CurrentExpression = expression,
IsLeft = this.IsLeft,
BaseExpression = this.ExactExpression,
BaseParameter = this.BaseParameter,
Index = Context.Index
};
if (expression is LambdaExpression)
{
return(new LambdaExpressionResolve(parameter));
}
else if (expression is BinaryExpression && expression.NodeType == ExpressionType.Coalesce)
{
return(new CoalesceResolveItems(parameter));
}
else if (expression is BinaryExpression)
{
return(new BinaryExpressionResolve(parameter));
}
else if (expression is BlockExpression)
{
Check.ThrowNotSupportedException("BlockExpression");
}
else if (expression is ConditionalExpression)
{
return(new ConditionalExpressionResolve(parameter));
}
else if (expression is MethodCallExpression)
{
return(new MethodCallExpressionResolve(parameter));
}
else if (expression is MemberExpression && ((MemberExpression)expression).Expression == null)
{
return(new MemberNoExpressionResolve(parameter));
}
else if (expression is MemberExpression && ((MemberExpression)expression).Expression.NodeType == ExpressionType.Constant)
{
return(new MemberConstExpressionResolve(parameter));
}
else if (expression is MemberExpression && ((MemberExpression)expression).Expression.NodeType == ExpressionType.New)
{
return(new MemberNewExpressionResolve(parameter));
}
else if (expression is ConstantExpression)
{
return(new ConstantExpressionResolve(parameter));
}
else if (expression is MemberExpression)
{
return(new MemberExpressionResolve(parameter));
}
else if (expression is UnaryExpression)
{
return(new UnaryExpressionResolve(parameter));
}
else if (expression is MemberInitExpression)
{
return(new MemberInitExpressionResolve(parameter));
}
else if (expression is NewExpression)
{
return(new NewExpressionResolve(parameter));
}
else if (expression is NewArrayExpression)
{
return(new NewArrayExpessionResolve(parameter));
}
else if (expression is ParameterExpression)
{
return(new TypeParameterExpressionReolve(parameter));
}
else if (expression != null && expression.NodeType.IsIn(ExpressionType.NewArrayBounds))
{
Check.ThrowNotSupportedException("ExpressionType.NewArrayBounds");
}
return(null);
}
public BaseResolve(ExpressionParameter parameter)
{
this.Expression = parameter.CurrentExpression;
this.Context = parameter.Context;
this.BaseParameter = parameter;
}
protected void ResolveNewExpressions(ExpressionParameter parameter, Expression item, string asName)
{
if (item is ConstantExpression)
{
this.Expression = item;
this.Start();
string parameterName = this.Context.SqlParameterKeyWord + "constant" + this.Context.ParameterIndex;
this.Context.ParameterIndex++;
parameter.Context.Result.Append(this.Context.GetAsString(asName, parameterName));
this.Context.Parameters.Add(new SugarParameter(parameterName, parameter.CommonTempData));
}
else if ((item is MemberExpression) && ((MemberExpression)item).Expression == null)
{
var paramterValue = ExpressionTool.GetPropertyValue(item as MemberExpression);
string parameterName = this.Context.SqlParameterKeyWord + "constant" + this.Context.ParameterIndex;
this.Context.ParameterIndex++;
parameter.Context.Result.Append(this.Context.GetAsString(asName, parameterName));
this.Context.Parameters.Add(new SugarParameter(parameterName, paramterValue));
}
else if ((item is MemberExpression) && ((MemberExpression)item).Expression.NodeType == ExpressionType.Constant)
{
this.Expression = item;
this.Start();
string parameterName = this.Context.SqlParameterKeyWord + "constant" + this.Context.ParameterIndex;
this.Context.ParameterIndex++;
parameter.Context.Result.Append(this.Context.GetAsString(asName, parameterName));
this.Context.Parameters.Add(new SugarParameter(parameterName, parameter.CommonTempData));
}
else if (item is MemberExpression)
{
if (this.Context.Result.IsLockCurrentParameter == false)
{
this.Context.Result.CurrentParameter = parameter;
this.Context.Result.IsLockCurrentParameter = true;
parameter.IsAppendTempDate();
this.Expression = item;
this.Start();
parameter.IsAppendResult();
this.Context.Result.Append(this.Context.GetAsString(asName, parameter.CommonTempData.ObjToString()));
this.Context.Result.CurrentParameter = null;
}
}
else if (item is UnaryExpression && ((UnaryExpression)item).Operand is MemberExpression)
{
if (this.Context.Result.IsLockCurrentParameter == false)
{
var expression = ((UnaryExpression)item).Operand as MemberExpression;
var isDateTimeNow = ((UnaryExpression)item).Operand.ToString() == "DateTime.Now";
if (expression.Expression == null && !isDateTimeNow)
{
this.Context.Result.CurrentParameter = parameter;
this.Context.Result.IsLockCurrentParameter = true;
parameter.IsAppendTempDate();
this.Expression = item;
this.Start();
parameter.IsAppendResult();
this.Context.Result.Append(this.Context.GetAsString(asName, parameter.CommonTempData.ObjToString()));
this.Context.Result.CurrentParameter = null;
}
else if (expression.Expression is ConstantExpression || isDateTimeNow)
{
string parameterName = this.Context.SqlParameterKeyWord + "constant" + this.Context.ParameterIndex;
this.Context.ParameterIndex++;
parameter.Context.Result.Append(this.Context.GetAsString(asName, parameterName));
this.Context.Parameters.Add(new SugarParameter(parameterName, ExpressionTool.GetMemberValue(expression.Member, expression)));
}
else
{
this.Context.Result.CurrentParameter = parameter;
this.Context.Result.IsLockCurrentParameter = true;
parameter.IsAppendTempDate();
this.Expression = item;
this.Start();
parameter.IsAppendResult();
this.Context.Result.Append(this.Context.GetAsString(asName, parameter.CommonTempData.ObjToString()));
this.Context.Result.CurrentParameter = null;
}
}
}
else if (item is UnaryExpression && ((UnaryExpression)item).Operand is ConstantExpression)
{
if (this.Context.Result.IsLockCurrentParameter == false)
{
this.Expression = ((UnaryExpression)item).Operand;
this.Start();
string parameterName = this.Context.SqlParameterKeyWord + "constant" + this.Context.ParameterIndex;
this.Context.ParameterIndex++;
parameter.Context.Result.Append(this.Context.GetAsString(asName, parameterName));
this.Context.Parameters.Add(new SugarParameter(parameterName, parameter.CommonTempData));
}
}
else if (item is BinaryExpression)
{
if (this.Context.Result.IsLockCurrentParameter == false)
{
var newContext = this.Context.GetCopyContextWithMapping();
var resolveExpressType = this.Context.IsSingle ? ResolveExpressType.WhereSingle : ResolveExpressType.WhereMultiple;
newContext.Resolve(item, resolveExpressType);
this.Context.Index = newContext.Index;
this.Context.ParameterIndex = newContext.ParameterIndex;
if (newContext.Parameters.HasValue())
{
this.Context.Parameters.AddRange(newContext.Parameters);
}
this.Context.Result.Append(this.Context.GetAsString(asName, newContext.Result.GetString()));
this.Context.Result.CurrentParameter = null;
if (this.Context.SingleTableNameSubqueryShortName.IsNullOrEmpty() && newContext.SingleTableNameSubqueryShortName.HasValue())
{
this.Context.SingleTableNameSubqueryShortName = newContext.SingleTableNameSubqueryShortName;
}
}
}
else if (item.Type.IsClass())
{
this.Expression = item;
this.Start();
var shortName = parameter.CommonTempData;
var listProperties = item.Type.GetProperties().Cast <PropertyInfo>().ToList();
foreach (var property in listProperties)
{
var hasIgnore = this.Context.IgnoreComumnList != null && this.Context.IgnoreComumnList.Any(it => it.EntityName.Equals(item.Type.Name, StringComparison.CurrentCultureIgnoreCase) && it.PropertyName.Equals(property.Name, StringComparison.CurrentCultureIgnoreCase));
if (hasIgnore)
{
continue;
}
if (property.PropertyType.IsClass())
{
}
else
{
var propertyName = property.Name;
var dbColumnName = propertyName;
var mappingInfo = this.Context.MappingColumns.FirstOrDefault(it => it.EntityName == item.Type.Name && it.PropertyName.Equals(propertyName, StringComparison.CurrentCultureIgnoreCase));
if (mappingInfo.HasValue())
{
dbColumnName = mappingInfo.DbColumnName;
}
asName = this.Context.GetTranslationText(item.Type.Name + "." + propertyName);
if (Context.IsJoin)
{
this.Context.Result.Append(Context.GetAsString(asName, dbColumnName, shortName.ObjToString()));
}
else
{
this.Context.Result.Append(Context.GetAsString(asName, dbColumnName));
}
}
}
}
else if (item.Type == UtilConstants.BoolType && item is MethodCallExpression && (item as MethodCallExpression).Method.Name == "Any" && IsSubMethod(item as MethodCallExpression))
{
this.Expression = item;
this.Start();
var sql = this.Context.DbMehtods.IIF(new MethodCallExpressionModel()
{
Args = new List <MethodCallExpressionArgs>()
{
new MethodCallExpressionArgs()
{
IsMember = true,
MemberName = parameter.CommonTempData.ObjToString()
},
new MethodCallExpressionArgs()
{
IsMember = true,
MemberName = 1
},
new MethodCallExpressionArgs()
{
IsMember = true,
MemberName = 0
}
}
});
parameter.Context.Result.Append(this.Context.GetAsString(asName, sql));
}
else if (item is MethodCallExpression || item is UnaryExpression || item is ConditionalExpression || item.NodeType == ExpressionType.Coalesce)
{
this.Expression = item;
this.Start();
parameter.Context.Result.Append(this.Context.GetAsString(asName, parameter.CommonTempData.ObjToString()));
}
else
{
Check.ThrowNotSupportedException(item.GetType().Name);
}
}
protected void AppendValue(ExpressionParameter parameter, bool?isLeft, object value)
{
if (parameter.BaseExpression is BinaryExpression || parameter.BaseExpression == null)
{
var oppoSiteExpression = isLeft == true ? parameter.BaseParameter.RightExpression : parameter.BaseParameter.LeftExpression;
if (parameter.CurrentExpression is MethodCallExpression || parameter.CurrentExpression is ConditionalExpression || parameter.CurrentExpression.NodeType == ExpressionType.Coalesce)
{
var appendValue = value;
if (this.Context.Result.Contains(ExpressionConst.FormatSymbol))
{
this.Context.Result.Replace(ExpressionConst.FormatSymbol, appendValue.ObjToString());
}
else
{
this.Context.Result.Append(appendValue);
}
this.AppendOpreator(parameter, isLeft);
}
else if (oppoSiteExpression is MemberExpression)
{
string appendValue = Context.SqlParameterKeyWord
+ ((MemberExpression)oppoSiteExpression).Member.Name
+ Context.ParameterIndex;
if (value.ObjToString() != "NULL" && !parameter.ValueIsNull)
{
this.Context.Parameters.Add(new SugarParameter(appendValue, value));
}
else
{
appendValue = value.ObjToString();
}
Context.ParameterIndex++;
appendValue = string.Format(" {0} ", appendValue);
if (isLeft == true)
{
appendValue += ExpressionConst.ExpressionReplace + parameter.BaseParameter.Index;
}
if (this.Context.Result.Contains(ExpressionConst.FormatSymbol))
{
this.Context.Result.Replace(ExpressionConst.FormatSymbol, appendValue);
}
else
{
this.Context.Result.Append(appendValue);
}
}
else if ((oppoSiteExpression is UnaryExpression && (oppoSiteExpression as UnaryExpression).Operand is MemberExpression))
{
string appendValue = Context.SqlParameterKeyWord
+ ((MemberExpression)(oppoSiteExpression as UnaryExpression).Operand).Member.Name
+ Context.ParameterIndex;
if (value.ObjToString() != "NULL" && !parameter.ValueIsNull)
{
this.Context.Parameters.Add(new SugarParameter(appendValue, value));
}
else
{
appendValue = value.ObjToString();
}
Context.ParameterIndex++;
appendValue = string.Format(" {0} ", appendValue);
if (isLeft == true)
{
appendValue += ExpressionConst.ExpressionReplace + parameter.BaseParameter.Index;
}
if (this.Context.Result.Contains(ExpressionConst.FormatSymbol))
{
this.Context.Result.Replace(ExpressionConst.FormatSymbol, appendValue);
}
else
{
this.Context.Result.Append(appendValue);
}
}
else
{
var appendValue = this.Context.SqlParameterKeyWord + ExpressionConst.Const + Context.ParameterIndex;
Context.ParameterIndex++;
if (value != null && value.GetType().IsEnum())
{
value = Convert.ToInt64(value);
}
this.Context.Parameters.Add(new SugarParameter(appendValue, value));
appendValue = string.Format(" {0} ", appendValue);
if (isLeft == true)
{
appendValue += ExpressionConst.ExpressionReplace + parameter.BaseParameter.Index;
}
if (this.Context.Result.Contains(ExpressionConst.FormatSymbol))
{
this.Context.Result.Replace(ExpressionConst.FormatSymbol, appendValue);
}
else
{
this.Context.Result.Append(appendValue);
}
}
}
}
private void Update(MemberInitExpression expression, ExpressionParameter parameter)
{
int i = 0;
foreach (MemberBinding binding in expression.Bindings)
{
++i;
if (binding.BindingType != MemberBindingType.Assignment)
{
throw new NotSupportedException();
}
MemberAssignment memberAssignment = (MemberAssignment)binding;
var type = expression.Type;
var memberName = this.Context.GetDbColumnName(type.Name, memberAssignment.Member.Name);
var item = memberAssignment.Expression;
if ((item is MemberExpression) && ((MemberExpression)item).Expression == null)
{
var paramterValue = ExpressionTool.DynamicInvoke(item);
string parameterName = AppendParameter(paramterValue);
this.Context.Result.Append(base.Context.GetEqString(memberName, parameterName));
}
else if (IsNotMember(item))
{
if (base.Context.Result.IsLockCurrentParameter == false)
{
base.Context.Result.CurrentParameter = parameter;
base.Context.Result.IsLockCurrentParameter = true;
parameter.IsAppendTempDate();
base.Expression = item;
base.Expression = (item as UnaryExpression).Operand;
base.Start();
parameter.IsAppendResult();
var result = this.Context.DbMehtods.IIF(new MethodCallExpressionModel()
{
Args = new List <MethodCallExpressionArgs>()
{
new MethodCallExpressionArgs()
{
IsMember = true, MemberName = parameter.CommonTempData.ObjToString() + "=1"
},
new MethodCallExpressionArgs()
{
IsMember = true, MemberName = AppendParameter(0)
},
new MethodCallExpressionArgs()
{
IsMember = true, MemberName = AppendParameter(1)
}
}
});
parameter.Context.Result.Append(base.Context.GetEqString(memberName, result));
base.Context.Result.CurrentParameter = null;
}
}
else if (IsNotParameter(item))
{
try
{
parameter.Context.Result.Append(base.Context.GetEqString(memberName, AppendParameter(ExpressionTool.DynamicInvoke(item).ObjToBool())));
}
catch
{
throw new NotSupportedException(item.ToString());
}
}
else if (IsMethod(item))
{
if (item is UnaryExpression)
{
item = (item as UnaryExpression).Operand;
}
var callMethod = item as MethodCallExpression;
if (MethodTimeMapping.Any(it => it.Key == callMethod.Method.Name) || MethodMapping.Any(it => it.Key == callMethod.Method.Name) || IsExtMethod(callMethod.Method.Name) || IsSubMethod(callMethod) || callMethod.Method.DeclaringType.FullName.StartsWith(UtilConstants.AssemblyName + UtilConstants.Dot))
{
MethodCall(parameter, memberName, item);
}
else
{
var paramterValue = ExpressionTool.DynamicInvoke(item);
string parameterName = AppendParameter(paramterValue);
this.Context.Result.Append(base.Context.GetEqString(memberName, parameterName));
}
}
else if (IsConst(item) && IsConvert(item) && UtilMethods.IsNullable(item.Type) && UtilMethods.GetUnderType(item.Type) == UtilConstants.BoolType)
{
item = (item as UnaryExpression).Operand;
parameter.Context.Result.Append(base.Context.GetEqString(memberName, GetNewExpressionValue(item)));
}
else if (IsConst(item))
{
base.Expression = item;
base.Start();
string parameterName = this.Context.SqlParameterKeyWord + ExpressionConst.Const + this.Context.ParameterIndex;
parameter.Context.Result.Append(base.Context.GetEqString(memberName, parameterName));
this.Context.Parameters.Add(new SugarParameter(parameterName, parameter.CommonTempData));
this.Context.ParameterIndex++;
}
else if (item is MemberExpression)
{
if (base.Context.Result.IsLockCurrentParameter == false)
{
base.Context.Result.CurrentParameter = parameter;
base.Context.Result.IsLockCurrentParameter = true;
parameter.IsAppendTempDate();
base.Expression = item;
base.Start();
parameter.IsAppendResult();
parameter.Context.Result.Append(base.Context.GetEqString(memberName, parameter.CommonTempData.ObjToString()));
base.Context.Result.CurrentParameter = null;
}
}
else if (item is BinaryExpression)
{
var result = GetNewExpressionValue(item);
this.Context.Result.Append(base.Context.GetEqString(memberName, result));
}
else if (item is MemberInitExpression)
{
try
{
var value = ExpressionTool.DynamicInvoke(item);
var parameterName = AppendParameter(value);
parameter.Context.Result.Append(base.Context.GetEqString(memberName, parameterName));
}
catch (Exception ex)
{
throw new NotSupportedException("Not Supported " + item.ToString() + " " + ex.Message);
}
}
else if (item is NewExpression)
{
try
{
var value = ExpressionTool.DynamicInvoke(item);
var parameterName = AppendParameter(value);
parameter.Context.Result.Append(base.Context.GetEqString(memberName, parameterName));
}
catch (Exception ex)
{
throw new NotSupportedException("Not Supported " + item.ToString() + " " + ex.Message);
}
}
}
}
public NewArrayExpessionResolve(ExpressionParameter parameter) : base(parameter)
{
var expression = (NewArrayExpression)base.Expression;
switch (base.Context.ResolveType)
{
case ResolveExpressType.WhereSingle:
case ResolveExpressType.WhereMultiple:
case ResolveExpressType.SelectSingle:
case ResolveExpressType.SelectMultiple:
case ResolveExpressType.FieldSingle:
case ResolveExpressType.FieldMultiple:
try
{
var value = ExpressionTool.DynamicInvoke(expression);
var isLeft = parameter.IsLeft;
var baseParameter = parameter.BaseParameter;
var isSetTempData = baseParameter.CommonTempData.HasValue() && baseParameter.CommonTempData.Equals(CommonTempDataType.Result);
if (isSetTempData)
{
baseParameter.CommonTempData = value;
}
else
{
var parentIsBinary = parameter.BaseParameter.CurrentExpression is BinaryExpression;
var parentIsRoot = parameter.BaseParameter.CurrentExpression is LambdaExpression;
var isBool = value != null && value.GetType() == UtilConstants.BoolType;
if (parentIsRoot && isBool)
{
this.Context.Result.Append(value.ObjToBool() ? this.Context.DbMehtods.True() : this.Context.DbMehtods.False());
break;
}
if (parentIsBinary && isBool)
{
var isLogicOperator =
parameter.BaseExpression.NodeType == ExpressionType.And ||
parameter.BaseExpression.NodeType == ExpressionType.AndAlso ||
parameter.BaseExpression.NodeType == ExpressionType.Or ||
parameter.BaseExpression.NodeType == ExpressionType.OrElse;
if (isLogicOperator)
{
AppendMember(parameter, isLeft, (value.ObjToBool() ? this.Context.DbMehtods.True() : this.Context.DbMehtods.False()));
break;
}
}
if (value == null && parentIsBinary)
{
parameter.BaseParameter.ValueIsNull = true;
value = this.Context.DbMehtods.Null();
}
AppendValue(parameter, isLeft, value);
}
}
catch (Exception)
{
Check.ThrowNotSupportedException("NewArrayExpression");
}
break;
case ResolveExpressType.ArraySingle:
foreach (var item in expression.Expressions)
{
base.Expression = item;
base.Start();
}
break;
case ResolveExpressType.Join:
base.Context.ResolveType = ResolveExpressType.WhereMultiple;
int i = 0;
foreach (var item in expression.Expressions)
{
if (item is UnaryExpression)
{
base.Expression = item;
base.Start();
if (parameter.CommonTempData is JoinType)
{
if (i > 0)
{
base.Context.Result.Append("," + parameter.CommonTempData.ObjToString().Replace(",", UtilConstants.ReplaceCommaKey) + ",");
}
else
{
base.Context.Result.Append(parameter.CommonTempData.ObjToString().Replace(",", UtilConstants.ReplaceCommaKey) + ",");
}
++i;
}
}
}
break;
default:
break;
}
}
public BlockExpressionResolve(ExpressionParameter parameter) : base(parameter)
{
}