protected bool AddSetReturnParamValuesStatements(IList statements, CodeExpression commandExpression)
{
int count = 0;
if (this.activeCommand.Parameters != null)
{
count = this.activeCommand.Parameters.Count;
}
for (int i = 0; i < count; i++)
{
DesignParameter parameter = this.activeCommand.Parameters[i];
if (parameter == null)
{
throw new DataSourceGeneratorException("Parameter type is not DesignParameter.");
}
if ((parameter.Direction == ParameterDirection.Output) || (parameter.Direction == ParameterDirection.InputOutput))
{
Type parameterUrtType = this.GetParameterUrtType(parameter);
string nameFromList = this.nameHandler.GetNameFromList(parameter.ParameterName);
CodeExpression returnParam = CodeGenHelper.Property(CodeGenHelper.Indexer(CodeGenHelper.Property(commandExpression, "Parameters"), CodeGenHelper.Primitive(i)), "Value");
CodeExpression cond = CodeGenHelper.GenerateDbNullCheck(returnParam);
CodeExpression right = CodeGenHelper.GenerateNullExpression(parameterUrtType);
CodeStatement trueStm = null;
if (right == null)
{
if (parameter.AllowDbNull && parameterUrtType.IsValueType)
{
trueStm = CodeGenHelper.Assign(CodeGenHelper.Argument(nameFromList), CodeGenHelper.New(CodeGenHelper.NullableType(parameterUrtType), new CodeExpression[0]));
}
else if (parameter.AllowDbNull && !parameterUrtType.IsValueType)
{
trueStm = CodeGenHelper.Assign(CodeGenHelper.Argument(nameFromList), CodeGenHelper.Primitive(null));
}
else
{
trueStm = CodeGenHelper.Throw(CodeGenHelper.GlobalType(typeof(StrongTypingException)), System.Design.SR.GetString("CG_ParameterIsDBNull", new object[] { nameFromList }), CodeGenHelper.Primitive(null));
}
}
else
{
trueStm = CodeGenHelper.Assign(CodeGenHelper.Argument(this.nameHandler.GetNameFromList(parameter.ParameterName)), right);
}
CodeStatement falseStm = null;
if (parameter.AllowDbNull && parameterUrtType.IsValueType)
{
falseStm = CodeGenHelper.Assign(CodeGenHelper.Argument(nameFromList), CodeGenHelper.New(CodeGenHelper.NullableType(parameterUrtType), new CodeExpression[] { CodeGenHelper.Cast(CodeGenHelper.GlobalType(parameterUrtType), returnParam) }));
}
else
{
falseStm = CodeGenHelper.Assign(CodeGenHelper.Argument(nameFromList), CodeGenHelper.Cast(CodeGenHelper.GlobalType(parameterUrtType), returnParam));
}
statements.Add(CodeGenHelper.If(cond, trueStm, falseStm));
}
}
return(true);
}
internal void AddRowColumnProperties(CodeTypeDeclaration rowClass)
{
bool flag = false;
string generatorRowClassName = this.codeGenerator.TableHandler.Tables[this.table.TableName].GeneratorRowClassName;
string generatorTableVarName = this.codeGenerator.TableHandler.Tables[this.table.TableName].GeneratorTableVarName;
foreach (DesignColumn column in this.columns)
{
CodeExpression expression;
CodeExpression expression2;
DataColumn dataColumn = column.DataColumn;
Type dataType = dataColumn.DataType;
string generatorColumnPropNameInRow = column.GeneratorColumnPropNameInRow;
string generatorColumnPropNameInTable = column.GeneratorColumnPropNameInTable;
GenericNameHandler handler = new GenericNameHandler(new string[] { generatorColumnPropNameInRow }, this.codeGenerator.CodeProvider);
CodeMemberProperty property = CodeGenHelper.PropertyDecl(CodeGenHelper.Type(dataType), generatorColumnPropNameInRow, MemberAttributes.Public | MemberAttributes.Final);
CodeStatement tryStmnt = CodeGenHelper.Return(CodeGenHelper.Cast(CodeGenHelper.GlobalType(dataType), CodeGenHelper.Indexer(CodeGenHelper.This(), CodeGenHelper.Property(CodeGenHelper.Field(CodeGenHelper.This(), generatorTableVarName), generatorColumnPropNameInTable))));
if (!dataColumn.AllowDBNull)
{
goto Label_0440;
}
string str5 = (string)dataColumn.ExtendedProperties["nullValue"];
switch (str5)
{
case null:
case "_throw":
tryStmnt = CodeGenHelper.Try(tryStmnt, CodeGenHelper.Catch(CodeGenHelper.GlobalType(typeof(InvalidCastException)), handler.AddNameToList("e"), CodeGenHelper.Throw(CodeGenHelper.GlobalType(typeof(StrongTypingException)), System.Design.SR.GetString("CG_ColumnIsDBNull", new object[] { dataColumn.ColumnName, this.table.TableName }), handler.GetNameFromList("e"))));
goto Label_0440;
default:
{
expression = null;
switch (str5)
{
case "_null":
if (dataColumn.DataType.IsSubclassOf(typeof(System.ValueType)))
{
this.codeGenerator.ProblemList.Add(new DSGeneratorProblem(System.Design.SR.GetString("CG_TypeCantBeNull", new object[] { dataColumn.ColumnName, dataColumn.DataType.Name }), ProblemSeverity.NonFatalError, column));
continue;
}
expression2 = CodeGenHelper.Primitive(null);
goto Label_03AE;
case "_empty":
if (dataColumn.DataType == typeof(string))
{
expression2 = CodeGenHelper.Property(CodeGenHelper.TypeExpr(CodeGenHelper.GlobalType(dataColumn.DataType)), "Empty");
}
else
{
expression2 = CodeGenHelper.Field(CodeGenHelper.TypeExpr(CodeGenHelper.Type(generatorRowClassName)), generatorColumnPropNameInRow + "_nullValue");
ConstructorInfo constructor = dataColumn.DataType.GetConstructor(new Type[] { typeof(string) });
if (constructor == null)
{
this.codeGenerator.ProblemList.Add(new DSGeneratorProblem(System.Design.SR.GetString("CG_NoCtor0", new object[] { dataColumn.ColumnName, dataColumn.DataType.Name }), ProblemSeverity.NonFatalError, column));
continue;
}
constructor.Invoke(new object[0]);
expression = CodeGenHelper.New(CodeGenHelper.Type(dataColumn.DataType), new CodeExpression[0]);
}
goto Label_03AE;
}
if (!flag)
{
this.table.NewRow();
flag = true;
}
object valueObj = this.codeGenerator.RowHandler.RowGenerator.ConvertXmlToObject.Invoke(dataColumn, new object[] { str5 });
DSGeneratorProblem problem = CodeGenHelper.GenerateValueExprAndFieldInit(column, valueObj, str5, generatorRowClassName, generatorColumnPropNameInRow + "_nullValue", out expression2, out expression);
if (problem != null)
{
this.codeGenerator.ProblemList.Add(problem);
continue;
}
break;
}
}
Label_03AE :;
tryStmnt = CodeGenHelper.If(CodeGenHelper.MethodCall(CodeGenHelper.This(), "Is" + generatorColumnPropNameInRow + "Null"), new CodeStatement[] { CodeGenHelper.Return(expression2) }, new CodeStatement[] { tryStmnt });
if (expression != null)
{
CodeMemberField field = CodeGenHelper.FieldDecl(CodeGenHelper.Type(dataColumn.DataType.FullName), generatorColumnPropNameInRow + "_nullValue");
field.Attributes = MemberAttributes.Private | MemberAttributes.Static;
field.InitExpression = expression;
rowClass.Members.Add(field);
}
Label_0440:
property.GetStatements.Add(tryStmnt);
property.SetStatements.Add(CodeGenHelper.Assign(CodeGenHelper.Indexer(CodeGenHelper.This(), CodeGenHelper.Property(CodeGenHelper.Field(CodeGenHelper.This(), generatorTableVarName), generatorColumnPropNameInTable)), CodeGenHelper.Value()));
rowClass.Members.Add(property);
if (dataColumn.AllowDBNull)
{
string name = MemberNameValidator.GenerateIdName("Is" + generatorColumnPropNameInRow + "Null", this.codeGenerator.CodeProvider, false);
CodeMemberMethod method = CodeGenHelper.MethodDecl(CodeGenHelper.GlobalType(typeof(bool)), name, MemberAttributes.Public | MemberAttributes.Final);
method.Statements.Add(CodeGenHelper.Return(CodeGenHelper.MethodCall(CodeGenHelper.This(), "IsNull", CodeGenHelper.Property(CodeGenHelper.Field(CodeGenHelper.This(), generatorTableVarName), generatorColumnPropNameInTable))));
rowClass.Members.Add(method);
name = MemberNameValidator.GenerateIdName("Set" + generatorColumnPropNameInRow + "Null", this.codeGenerator.CodeProvider, false);
CodeMemberMethod method2 = CodeGenHelper.MethodDecl(CodeGenHelper.GlobalType(typeof(void)), name, MemberAttributes.Public | MemberAttributes.Final);
method2.Statements.Add(CodeGenHelper.Assign(CodeGenHelper.Indexer(CodeGenHelper.This(), CodeGenHelper.Property(CodeGenHelper.Field(CodeGenHelper.This(), generatorTableVarName), generatorColumnPropNameInTable)), CodeGenHelper.Field(CodeGenHelper.GlobalTypeExpr(typeof(Convert)), "DBNull")));
rowClass.Members.Add(method2);
}
}
}
protected void AddSetParameterStatements(DesignParameter parameter, string parameterName, DesignParameter isNullParameter, CodeExpression cmdExpression, int parameterIndex, int isNullParameterIndex, IList statements)
{
Type parameterUrtType = this.GetParameterUrtType(parameter);
CodeCastExpression right = new CodeCastExpression(parameterUrtType, CodeGenHelper.Argument(parameterName));
right.UserData.Add("CastIsBoxing", true);
CodeCastExpression expression2 = null;
CodeCastExpression expression3 = null;
if ((this.codeGenerator != null) && CodeGenHelper.IsGeneratingJSharpCode(this.codeGenerator.CodeProvider))
{
expression2 = new CodeCastExpression(typeof(int), CodeGenHelper.Primitive(0));
expression2.UserData.Add("CastIsBoxing", true);
expression3 = new CodeCastExpression(typeof(int), CodeGenHelper.Primitive(1));
expression3.UserData.Add("CastIsBoxing", true);
}
else
{
expression2 = new CodeCastExpression(typeof(object), CodeGenHelper.Primitive(0));
expression3 = new CodeCastExpression(typeof(object), CodeGenHelper.Primitive(1));
}
CodeExpression left = CodeGenHelper.Property(CodeGenHelper.Indexer(CodeGenHelper.Property(cmdExpression, "Parameters"), CodeGenHelper.Primitive(parameterIndex)), "Value");
CodeExpression expression5 = null;
if (isNullParameter != null)
{
expression5 = CodeGenHelper.Property(CodeGenHelper.Indexer(CodeGenHelper.Property(cmdExpression, "Parameters"), CodeGenHelper.Primitive(isNullParameterIndex)), "Value");
}
int num = (isNullParameter == null) ? 1 : 2;
CodeStatement[] trueStms = new CodeStatement[num];
CodeStatement[] falseStms = new CodeStatement[num];
if (parameter.AllowDbNull && parameterUrtType.IsValueType)
{
right = new CodeCastExpression(parameterUrtType, CodeGenHelper.Property(CodeGenHelper.Argument(parameterName), "Value"));
right.UserData.Add("CastIsBoxing", true);
trueStms[0] = CodeGenHelper.Assign(left, right);
falseStms[0] = CodeGenHelper.Assign(left, CodeGenHelper.Field(CodeGenHelper.GlobalTypeExpr(typeof(DBNull)), "Value"));
if (isNullParameter != null)
{
trueStms[1] = trueStms[0];
falseStms[1] = falseStms[0];
trueStms[0] = CodeGenHelper.Assign(expression5, expression2);
falseStms[0] = CodeGenHelper.Assign(expression5, expression3);
}
statements.Add(CodeGenHelper.If(CodeGenHelper.EQ(CodeGenHelper.Property(CodeGenHelper.Argument(parameterName), "HasValue"), CodeGenHelper.Primitive(true)), trueStms, falseStms));
}
else if (parameter.AllowDbNull && !parameterUrtType.IsValueType)
{
trueStms[0] = CodeGenHelper.Assign(left, CodeGenHelper.Field(CodeGenHelper.GlobalTypeExpr(typeof(DBNull)), "Value"));
falseStms[0] = CodeGenHelper.Assign(left, right);
if (isNullParameter != null)
{
trueStms[1] = trueStms[0];
falseStms[1] = falseStms[0];
trueStms[0] = CodeGenHelper.Assign(expression5, expression3);
falseStms[0] = CodeGenHelper.Assign(expression5, expression2);
}
statements.Add(CodeGenHelper.If(CodeGenHelper.IdEQ(CodeGenHelper.Argument(parameterName), CodeGenHelper.Primitive(null)), trueStms, falseStms));
}
else if (!parameter.AllowDbNull && !parameterUrtType.IsValueType)
{
CodeStatement[] statementArray3 = new CodeStatement[] { CodeGenHelper.Throw(CodeGenHelper.GlobalType(typeof(ArgumentNullException)), parameterName) };
falseStms[0] = CodeGenHelper.Assign(left, right);
if (isNullParameter != null)
{
falseStms[1] = falseStms[0];
falseStms[0] = CodeGenHelper.Assign(expression5, expression2);
}
statements.Add(CodeGenHelper.If(CodeGenHelper.IdEQ(CodeGenHelper.Argument(parameterName), CodeGenHelper.Primitive(null)), statementArray3, falseStms));
}
else if (!parameter.AllowDbNull && parameterUrtType.IsValueType)
{
if (isNullParameter != null)
{
statements.Add(CodeGenHelper.Assign(expression5, expression2));
}
statements.Add(CodeGenHelper.Assign(left, right));
}
}
private bool AddReturnStatements(IList statements)
{
int returnParameterPosition = base.GetReturnParameterPosition(base.activeCommand);
if (((base.methodSource.DbObjectType == DbObjectType.Function) && (base.methodSource.QueryType != QueryType.Scalar)) && (returnParameterPosition >= 0))
{
DesignParameter parameter = base.activeCommand.Parameters[returnParameterPosition];
Type parameterUrtType = base.GetParameterUrtType(parameter);
CodeExpression returnParam = CodeGenHelper.Property(CodeGenHelper.Indexer(CodeGenHelper.Property(CodeGenHelper.Variable(QueryGeneratorBase.commandVariableName), "Parameters"), CodeGenHelper.Primitive(returnParameterPosition)), "Value");
CodeExpression cond = CodeGenHelper.GenerateDbNullCheck(returnParam);
CodeExpression expr = CodeGenHelper.GenerateNullExpression(parameterUrtType);
CodeStatement trueStm = null;
if (expr == null)
{
if (parameter.AllowDbNull && parameterUrtType.IsValueType)
{
trueStm = CodeGenHelper.Return(CodeGenHelper.New(CodeGenHelper.NullableType(parameterUrtType), new CodeExpression[0]));
}
else if (parameter.AllowDbNull && !parameterUrtType.IsValueType)
{
trueStm = CodeGenHelper.Return(CodeGenHelper.Primitive(null));
}
else
{
trueStm = CodeGenHelper.Throw(CodeGenHelper.GlobalType(typeof(StrongTypingException)), System.Design.SR.GetString("CG_ParameterIsDBNull", new object[] { base.activeCommand.Parameters[returnParameterPosition].ParameterName }), CodeGenHelper.Primitive(null));
}
}
else
{
trueStm = CodeGenHelper.Return(expr);
}
CodeStatement falseStm = null;
if (parameter.AllowDbNull && parameterUrtType.IsValueType)
{
falseStm = CodeGenHelper.Return(CodeGenHelper.New(CodeGenHelper.NullableType(parameterUrtType), new CodeExpression[] { CodeGenHelper.Cast(CodeGenHelper.GlobalType(parameterUrtType), returnParam) }));
}
else
{
falseStm = CodeGenHelper.Return(CodeGenHelper.GenerateConvertExpression(returnParam, typeof(object), parameterUrtType));
}
statements.Add(CodeGenHelper.If(cond, trueStm, falseStm));
}
else if (base.methodSource.QueryType == QueryType.Scalar)
{
CodeExpression expression5 = CodeGenHelper.GenerateDbNullCheck(CodeGenHelper.Variable(QueryGeneratorBase.returnVariableName));
CodeStatement statement3 = null;
CodeStatement statement4 = null;
if (base.returnType.IsValueType)
{
statement3 = CodeGenHelper.Return(CodeGenHelper.New(CodeGenHelper.NullableType(base.returnType), new CodeExpression[0]));
statement4 = CodeGenHelper.Return(CodeGenHelper.New(CodeGenHelper.NullableType(base.returnType), new CodeExpression[] { CodeGenHelper.Cast(CodeGenHelper.GlobalType(base.returnType), CodeGenHelper.Variable(QueryGeneratorBase.returnVariableName)) }));
}
else
{
statement3 = CodeGenHelper.Return(CodeGenHelper.Primitive(null));
statement4 = CodeGenHelper.Return(CodeGenHelper.Cast(CodeGenHelper.GlobalType(base.returnType), CodeGenHelper.Variable(QueryGeneratorBase.returnVariableName)));
}
statements.Add(CodeGenHelper.If(expression5, statement3, statement4));
}
else
{
statements.Add(CodeGenHelper.Return(CodeGenHelper.Variable(QueryGeneratorBase.returnVariableName)));
}
return(true);
}
