public MemberNewExpressionResolve(ExpressionParameter parameter) : base(parameter) { var expression = base.Expression as MemberExpression; var isLeft = parameter.IsLeft; object value = null; value = ExpressionTool.DynamicInvoke(expression); }
private void MemberLogic(ExpressionParameter parameter, ExpressionParameter baseParameter, ExpressionType nodeType) { var memberExpression = (base.Expression as MemberExpression); var isLogicOperator = ExpressionTool.IsLogicOperator(baseParameter.OperatorValue) || baseParameter.OperatorValue.IsNullOrEmpty(); var isHasValue = isLogicOperator && memberExpression.Member.Name == "HasValue" && memberExpression.Expression != null && memberExpression.NodeType == ExpressionType.MemberAccess; if (isHasValue) { var member = memberExpression.Expression as MemberExpression; parameter.CommonTempData = CommonTempDataType.Result; var isConst = member.Expression != null && member.Expression is ConstantExpression; if (isConst) { var paramterValue = ExpressionTool.DynamicInvoke(member); var paramterName = base.AppendParameter(paramterValue); var result = this.Context.DbMehtods.HasValue(new MethodCallExpressionModel() { Args = new List <MethodCallExpressionArgs>() { new MethodCallExpressionArgs() { IsMember = false, MemberName = paramterName, MemberValue = paramterValue } } }); this.Context.Result.Append(result); } else { this.Expression = isConst ? member.Expression : member; this.Start(); var methodParamter = isConst ? new MethodCallExpressionArgs() { IsMember = false } : new MethodCallExpressionArgs() { IsMember = true, MemberName = parameter.CommonTempData, MemberValue = null }; var result = this.Context.DbMehtods.HasValue(new MethodCallExpressionModel() { Args = new List <MethodCallExpressionArgs>() { methodParamter } }); this.Context.Result.Append(result); parameter.CommonTempData = null; } } else if (memberExpression.Type == UtilConstants.BoolType && isLogicOperator) { Append(parameter, nodeType); } else { Result(parameter, nodeType); } }
protected void Where(ExpressionParameter parameter, bool?isLeft, string name, IEnumerable <Expression> args, MethodCallExpressionModel model, List <MethodCallExpressionArgs> appendArgs = null) { foreach (var item in args) { var expItem = item; if (item is UnaryExpression) { expItem = (item as UnaryExpression).Operand; } AppendItem(parameter, name, args, model, expItem); } if (appendArgs != null) { model.Args.AddRange(appendArgs); } var methodValue = GetMethodValue(name, model); if (parameter.BaseExpression is BinaryExpression && parameter.OppsiteExpression.Type == UtilConstants.BoolType && name == "HasValue" && !(parameter.OppsiteExpression is BinaryExpression) && !(parameter.OppsiteExpression is MethodCallExpression && parameter.OppsiteExpression.Type == UtilConstants.BoolType)) { methodValue = packIfElse(methodValue); } if (parameter.OppsiteExpression != null && name == "IsNullOrEmpty" && parameter.OppsiteExpression.Type == UtilConstants.BoolType && parameter.OppsiteExpression is ConstantExpression) { methodValue = packIfElse(methodValue); } var isRoot = contextIndex == 2; if (isRoot && parameter.BaseExpression == null && this.Context.ResolveType.IsIn(ResolveExpressType.WhereMultiple, ResolveExpressType.WhereSingle) && (parameter.CurrentExpression is MethodCallExpression) && ((parameter.CurrentExpression as MethodCallExpression).Method.Name.IsIn("ToBool", "ToBoolean"))) { methodValue = methodValue + "=1 "; ; } if (isRoot && parameter.BaseExpression == null && this.Context.ResolveType.IsIn(ResolveExpressType.WhereMultiple, ResolveExpressType.WhereSingle) && (parameter.CurrentExpression is ConditionalExpression) && ((parameter.CurrentExpression as ConditionalExpression).Type == UtilConstants.BoolType)) { methodValue = methodValue + "=1 "; } if (isRoot && parameter.BaseExpression == null && this.Context.ResolveType.IsIn(ResolveExpressType.WhereMultiple, ResolveExpressType.WhereSingle) && (parameter.CurrentExpression is MethodCallExpression) && ((parameter.CurrentExpression as MethodCallExpression).Method.Name.IsIn("IIF")) && (parameter.CurrentExpression as MethodCallExpression).Method.ReturnType == UtilConstants.BoolType) { methodValue = methodValue + "=1 "; } if (parameter.BaseExpression != null && ExpressionTool.IsLogicOperator(parameter.BaseExpression) && this.Context.ResolveType.IsIn(ResolveExpressType.WhereMultiple, ResolveExpressType.WhereSingle) && (parameter.CurrentExpression is ConditionalExpression) && ((parameter.CurrentExpression as ConditionalExpression).Type == UtilConstants.BoolType)) { methodValue = methodValue + "=1 "; } if (parameter.BaseExpression != null && ExpressionTool.IsLogicOperator(parameter.BaseExpression) && this.Context.ResolveType.IsIn(ResolveExpressType.WhereMultiple, ResolveExpressType.WhereSingle) && (parameter.CurrentExpression is MethodCallExpression) && ((parameter.CurrentExpression as MethodCallExpression).Method.Name.IsIn("IIF")) && (parameter.CurrentExpression as MethodCallExpression).Method.ReturnType == UtilConstants.BoolType) { methodValue = methodValue + "=1 "; } if (parameter.BaseExpression != null && ExpressionTool.IsLogicOperator(parameter.BaseExpression) && this.Context.ResolveType.IsIn(ResolveExpressType.WhereMultiple, ResolveExpressType.WhereSingle) && (parameter.CurrentExpression is MethodCallExpression) && ((parameter.CurrentExpression as MethodCallExpression).Method.Name.IsIn("ToBool", "ToBoolean"))) { methodValue = methodValue + "=1 "; } base.AppendValue(parameter, isLeft, methodValue); }
private void ResolveMemberValue(ExpressionParameter parameter, ExpressionParameter baseParameter, bool?isLeft, bool isSetTempData, MemberExpression expression) { var value = ExpressionTool.GetMemberValue(expression.Member, expression); if (isSetTempData) { baseParameter.CommonTempData = value; } else { AppendValue(parameter, isLeft, value); } }
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); } }
public IUpdateable <T> SetColumns(Expression <Func <T, bool> > columns) { CheckTranscodeing(); var binaryExp = columns.Body as BinaryExpression; Check.Exception(!binaryExp.NodeType.IsIn(ExpressionType.Equal), "No support {0}", columns.ToString()); Check.Exception(!(binaryExp.Left is MemberExpression) && !(binaryExp.Left is UnaryExpression), "No support {0}", columns.ToString()); Check.Exception(ExpressionTool.IsConstExpression(binaryExp.Left as MemberExpression), "No support {0}", columns.ToString()); var expResult = UpdateBuilder.GetExpressionValue(columns, ResolveExpressType.WhereSingle).GetResultString().Replace(")", " )").Replace("(", "( ").Trim().TrimStart('(').TrimEnd(')'); string key = SqlBuilder.GetNoTranslationColumnName(expResult); UpdateBuilder.SetValues.Add(new KeyValuePair <string, string>(SqlBuilder.GetTranslationColumnName(key), expResult)); this.UpdateBuilder.DbColumnInfoList = this.UpdateBuilder.DbColumnInfoList.Where(it => (UpdateParameterIsNull == false && IsPrimaryKey(it)) || UpdateBuilder.SetValues.Any(v => SqlBuilder.GetNoTranslationColumnName(v.Key).Equals(it.DbColumnName, StringComparison.CurrentCultureIgnoreCase) || SqlBuilder.GetNoTranslationColumnName(v.Key).Equals(it.PropertyName, StringComparison.CurrentCultureIgnoreCase)) || it.IsPrimarykey == true).ToList(); AppendSets(); return(this); }
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 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()); } }
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()); } }
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; } }
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; }
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; }
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 DbLiteParameter(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 DbLiteParameter(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 DbLiteParameter(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 DbLiteParameter(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 DbLiteParameter(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); } }
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 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; } }
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; }
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; } }
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 DbLiteParameter(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 DbLiteParameter(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); } }
private MemberExpression ResolveValue(ExpressionParameter parameter, ExpressionParameter baseParameter, MemberExpression expression, bool?isLeft, bool isSetTempData, bool isSingle) { expression = expression.Expression as MemberExpression; baseParameter.ChildExpression = expression; if (UtilMethods.GetUnderType(expression.Type) == UtilConstants.BoolType && parameter.BaseExpression != null && ExpressionTool.IsLogicOperator(parameter.BaseExpression)) { ResolveBoolLogic(parameter, baseParameter, expression, isLeft, isSetTempData, isSingle); } else { ResolveWhereLogic(parameter, baseParameter, expression, isLeft, isSetTempData, isSingle); } return(expression); }
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; } }
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 DbLiteParameter(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); } } } }