Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Data / System / Data / CodeGen / datacache.cs / 1 / datacache.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// [....]
// [....]
// [....]
//-----------------------------------------------------------------------------
namespace System.Data {
using System;
using System.Xml;
using System.Xml.Schema;
using System.Xml.Serialization;
using System.CodeDom;
using System.CodeDom.Compiler;
using System.ComponentModel;
using System.Collections;
using System.Globalization;
[
System.Security.Permissions.HostProtectionAttribute(SharedState=true, Synchronization=true),
Obsolete("TypedDataSetGenerator class will be removed in a future release. Please use System.Data.Design.TypedDataSetGenerator in System.Design.dll.")
]
#if WINFSInternalOnly
internal
#else
public
#endif
class TypedDataSetGenerator {
private bool useExtendedNaming;
private ICodeGenerator codeGen;
private ArrayList errorList;
private ArrayList conflictingTables;
private Hashtable lookupIdentifiers;
public static void Generate(DataSet dataSet, CodeNamespace codeNamespace, ICodeGenerator codeGen) {
new TypedDataSetGenerator().GenerateCode(dataSet, codeNamespace, codeGen);
CodeGenerator.ValidateIdentifiers(codeNamespace);
}
// given a variable name, this method will check to see if the
// name is a valid identifier name. if this is not the case, then
// at the moment will replace all the blank space with underscores.
public static string GenerateIdName(string name, ICodeGenerator codeGen) {
if (codeGen.IsValidIdentifier(name)) {
return name;
}
string ret = name.Replace(' ', '_');
if (! codeGen.IsValidIdentifier(ret)) {
ret = "_" + ret;
UnicodeCategory unc;
for (int i = 1; i < ret.Length; i++) {
unc = Char.GetUnicodeCategory(ret[i]);
if (
UnicodeCategory.UppercaseLetter != unc &&
UnicodeCategory.LowercaseLetter != unc &&
UnicodeCategory.TitlecaseLetter != unc &&
UnicodeCategory.ModifierLetter != unc &&
UnicodeCategory.OtherLetter != unc &&
UnicodeCategory.LetterNumber != unc &&
UnicodeCategory.NonSpacingMark != unc &&
UnicodeCategory.SpacingCombiningMark != unc &&
UnicodeCategory.DecimalDigitNumber != unc &&
UnicodeCategory.ConnectorPunctuation != unc
) {
ret = ret.Replace(ret[i], '_');
} // if
} // for
}
return ret;
}
// -------------------- Implementation --------------------------
internal CodeTypeDeclaration GenerateCode(DataSet dataSet, CodeNamespace codeNamespace, ICodeGenerator codeGen) {
this.useExtendedNaming = false;
this.errorList = new ArrayList();
this.conflictingTables = new ArrayList();
this.codeGen = codeGen;
CodeTypeDeclaration dataSetClass = CreateTypedDataSet(dataSet); {
foreach(DataTable table in dataSet.Tables) {
dataSetClass.Members.Add(CreateTypedRowEventHandler(table));
}
foreach(DataTable table in dataSet.Tables) {
dataSetClass.Members.Add(CreateTypedTable( table));
dataSetClass.Members.Add(CreateTypedRow( table));
dataSetClass.Members.Add(CreateTypedRowEvent(table));
}
if (errorList.Count > 0) {
throw new TypedDataSetGeneratorException(errorList);
}
}
codeNamespace.Types.Add(dataSetClass);
return dataSetClass;
}
private void InitLookupIdentifiers() {
lookupIdentifiers = new Hashtable();
System.Reflection.PropertyInfo[] props = typeof(DataRow).GetProperties();
foreach(System.Reflection.PropertyInfo p in props) {
lookupIdentifiers[p.Name] = '_' + p.Name;
}
}
private string FixIdName(string inVarName) {
if (lookupIdentifiers == null) {
InitLookupIdentifiers();
}
string newName = (string)lookupIdentifiers[inVarName];
if (newName == null) {
newName = GenerateIdName(inVarName, this.codeGen);
while (lookupIdentifiers.ContainsValue(newName)) {
newName = '_' + newName;
}
lookupIdentifiers[inVarName] = newName;
if (! this.codeGen.IsValidIdentifier(newName)){
errorList.Add(Res.GetString(Res.CodeGen_InvalidIdentifier, newName));
}
}
return newName;
}
private static bool isEmpty(string s) {
return s == null || s.Length == 0;
}
// Name of a class for typed row
private string RowClassName(DataTable table) {
string className = (string) table.ExtendedProperties["typedName"];
if(isEmpty(className)) {
className = FixIdName(table.TableName) + "Row";
}
return className;
}
// Name of a class for typed row inherit from
private string RowBaseClassName(DataTable table) {
if(useExtendedNaming) {
string className = (string) table.ExtendedProperties["typedBaseClass"];
if(isEmpty(className)) {
className = (string) table.DataSet.ExtendedProperties["typedBaseClass"];
if(isEmpty(className)) {
className = "DataRow";
}
}
return className;
}else {
return "DataRow";
}
}
// Name of a class for typed row
private string RowConcreteClassName(DataTable table) {
if(useExtendedNaming) {
string className = (string) table.ExtendedProperties["typedConcreteClass"];
if(isEmpty(className)) {
className = RowClassName(table);
}
return className;
}else {
return RowClassName(table);
}
}
// Name of a class for typed table
private string TableClassName(DataTable table) {
string className = (string)table.ExtendedProperties["typedPlural"];
if(isEmpty(className)) {
className = (string)table.ExtendedProperties["typedName"];
if(isEmpty(className)) {
// check for conflicts with same name different namespace
if ((table.DataSet.Tables.InternalIndexOf(table.TableName) == -3) && !conflictingTables.Contains(table.TableName)) {
conflictingTables.Add(table.TableName);
errorList.Add(Res.GetString(Res.CodeGen_DuplicateTableName, table.TableName));
}
className = FixIdName(table.TableName);
}
}
return className + "DataTable";
}
// Name of the property of typed dataset wich returns typed table:
private string TablePropertyName(DataTable table) {
string typedName = (string)table.ExtendedProperties["typedPlural"];
if(isEmpty(typedName)) {
typedName = (string)table.ExtendedProperties["typedName"];
if(isEmpty(typedName)) {
typedName = FixIdName(table.TableName);
}
else
typedName = typedName + "Table";
}
return typedName;
}
// Name of the filed of typed dataset wich holds typed table
private string TableFieldName(DataTable table) {
return "table" + TablePropertyName(table);
}
private string RowColumnPropertyName(DataColumn column) {
string typedName = (string) column.ExtendedProperties["typedName"];
if(isEmpty(typedName)) {
typedName = FixIdName(column.ColumnName);
}
return typedName;
}
private string TableColumnFieldName(DataColumn column) {
string columnName = RowColumnPropertyName(column);
if (String.Compare("column", columnName, StringComparison.OrdinalIgnoreCase) != 0)
return ("column" + columnName);
return ("columnField" + columnName);
}
private string TableColumnPropertyName(DataColumn column) {
return RowColumnPropertyName(column) + "Column";
}
private static int TablesConnectedness(DataTable parentTable, DataTable childTable) {
int connectedness = 0;
DataRelationCollection relations = childTable.ParentRelations;
for (int i = 0; i < relations.Count; i++) {
if (relations[i].ParentTable == parentTable) {
connectedness ++;
}
}
return connectedness;
}
private string ChildPropertyName(DataRelation relation) {
string typedName = (string) relation.ExtendedProperties["typedChildren"];
if(isEmpty(typedName)) {
string arrayName = (string)relation.ChildTable.ExtendedProperties["typedPlural"];
if(isEmpty(arrayName)) {
arrayName = (string)relation.ChildTable.ExtendedProperties["typedName"];
if(isEmpty(arrayName)) {
typedName = "Get" + relation.ChildTable.TableName + "Rows";
if(1 < TablesConnectedness(relation.ParentTable, relation.ChildTable)) {
typedName +="By" + relation.RelationName;
}
return FixIdName(typedName);
}
arrayName += "Rows";
}
typedName = "Get" + arrayName;
}
return typedName;
}
private string ParentPropertyName(DataRelation relation) {
string typedName = null;
typedName = (string) relation.ExtendedProperties["typedParent"];
if(isEmpty(typedName)) {
typedName = RowClassName(relation.ParentTable);
if( // Complex case:
relation.ChildTable == relation.ParentTable || // Self join
relation.ChildColumnsReference.Length != 1 // Multycolumn key
) {
typedName += "Parent";
}
if(1 < TablesConnectedness(relation.ParentTable, relation.ChildTable)) {
typedName +="By" + FixIdName(relation.RelationName);
}
}
return typedName;
}
private string RelationFieldName(DataRelation relation) {
return FixIdName("relation" + relation.RelationName);
}
private string GetTypeName(Type t) {
return t.FullName;
}
private bool ChildRelationFollowable(DataRelation relation) {
if (relation != null) {
if (relation.ChildTable == relation.ParentTable) {
if (relation.ChildTable.Columns.Count == 1) {
return false;
}
}
return true;
}
return false;
}
private static CodeMemberMethod CreateOnRowEventMethod(string eventName, string rowClassName) {
//\\ protected override void OnRow(DataRowChangeEventArgs e) {
//\\ base.OnRow(e);
//\\ if (((this.) != (null))) {
//\\ this.(this, new Event((()(e.Row)), e.Action));
//\\ }
//\\ }
CodeMemberMethod onRowEvent = MethodDecl(typeof(void), "OnRow" + eventName, MemberAttributes.Family | MemberAttributes.Override); {
onRowEvent.Parameters.Add(ParameterDecl(typeof(DataRowChangeEventArgs), "e"));
onRowEvent.Statements.Add(MethodCall(Base(), "OnRow" + eventName, Argument("e")));
onRowEvent.Statements.Add(If(IdNotEQ(Event(rowClassName + eventName), Primitive(null)),
Stm(DelegateCall(Event(rowClassName + eventName),
New(rowClassName + "ChangeEvent", new CodeExpression[] { Cast(rowClassName, Property(Argument("e"), "Row")), Property(Argument("e"), "Action")})
))
));
}
return onRowEvent;
}// CreateOnRowEventMethod
private CodeTypeDeclaration CreateTypedTable(DataTable table) {
string stRowClassName = RowClassName(table);
string stTblClassName = TableClassName(table);
string stRowConcreateClassName = RowConcreteClassName(table);
CodeTypeDeclaration dataTableClass = new CodeTypeDeclaration(stTblClassName);
dataTableClass.BaseTypes.Add(typeof(DataTable));
dataTableClass.BaseTypes.Add(typeof(System.Collections.IEnumerable));
//dataTableClass.Attributes |= TypeAttributes.NestedPrivate;
dataTableClass.CustomAttributes.Add(AttributeDecl("System.Serializable"));
dataTableClass.CustomAttributes.Add(AttributeDecl("System.Diagnostics.DebuggerStepThrough"));
for (int i = 0; i < table.Columns.Count; i++) {
//\\ DataColumn column;
dataTableClass.Members.Add(FieldDecl(typeof(DataColumn), TableColumnFieldName(table.Columns[i])));
}
dataTableClass.Members.Add(EventDecl(stRowClassName + "ChangeEventHandler", stRowClassName + "Changed" ));
dataTableClass.Members.Add(EventDecl(stRowClassName + "ChangeEventHandler", stRowClassName + "Changing"));
dataTableClass.Members.Add(EventDecl(stRowClassName + "ChangeEventHandler", stRowClassName + "Deleted" ));
dataTableClass.Members.Add(EventDecl(stRowClassName + "ChangeEventHandler", stRowClassName + "Deleting"));
//\\ internal DataTableClass() : base("") {
//\\ this.InitClass();
//\\ }
CodeConstructor constructor = new CodeConstructor(); {
constructor.Attributes = MemberAttributes.Assembly | MemberAttributes.Final;
constructor.BaseConstructorArgs.Add(Str(table.TableName));
constructor.Statements.Add(MethodCall(This(), "InitClass"));
}
dataTableClass.Members.Add(constructor);
//\\ protected DataTableClass(",") : base(",") {
//\\ InitVars();
//\\ }
constructor = new CodeConstructor(); {
constructor.Attributes = MemberAttributes.Family;
constructor.Parameters.Add(ParameterDecl(typeof(System.Runtime.Serialization.SerializationInfo), "info" ));
constructor.Parameters.Add(ParameterDecl(typeof(System.Runtime.Serialization.StreamingContext), "context"));
constructor.BaseConstructorArgs.AddRange(new CodeExpression[] {Argument("info"), Argument("context")});
constructor.Statements.Add(MethodCall(This(), "InitVars"));
}
dataTableClass.Members.Add(constructor);
//\\ internal DataTableClass(DataTable table) : base(table.TableName) { // [....] : Assuming incoming table always associated with DataSet
//\\ if (table.CaseSensitive != table.DataSet.CaseSensitive)
//\\ this.CaseSensitive = table.CaseSensitive;
//\\ if (table.Locale.ToString() != table.DataSet.Locale.ToString())
//\\ this.Locale = table.Locale;
//\\ if (table.Namespace != table.DataSet.Namespace)
//\\ this.Namespace = table.Namespace;
//\\ this.Prefix = table.Prefix;
//\\ this.MinimumCapacity = table.MinimumCapacity;
//\\ this.DisplayExpression = table.DisplayExpression;
//\\ }
constructor = new CodeConstructor(); {
constructor.Attributes = MemberAttributes.Assembly | MemberAttributes.Final;
constructor.Parameters.Add(ParameterDecl(typeof(DataTable), "table"));
constructor.BaseConstructorArgs.Add(Property(Argument("table"),"TableName"));
constructor.Statements.Add(
If(IdNotEQ(Property(Argument("table"),"CaseSensitive"),Property(Property(Argument("table"),"DataSet"),"CaseSensitive")),
Assign(Property(This(),"CaseSensitive"),Property(Argument("table"),"CaseSensitive"))
)
);
constructor.Statements.Add(
If(IdNotEQ(MethodCall(Property(Argument("table"),"Locale"),"ToString"),MethodCall(Property(Property(Argument("table"),"DataSet"),"Locale"),"ToString")),
Assign(Property(This(),"Locale"),Property(Argument("table"),"Locale"))
)
);
constructor.Statements.Add(
If(IdNotEQ(Property(Argument("table"),"Namespace"),Property(Property(Argument("table"),"DataSet"),"Namespace")),
Assign(Property(This(),"Namespace"),Property(Argument("table"),"Namespace"))
)
);
constructor.Statements.Add(Assign(Property(This(), "Prefix"), Property(Argument("table"),"Prefix")));
constructor.Statements.Add(Assign(Property(This(), "MinimumCapacity"), Property(Argument("table"),"MinimumCapacity")));
constructor.Statements.Add(Assign(Property(This(), "DisplayExpression"), Property(Argument("table"),"DisplayExpression")));
}
dataTableClass.Members.Add(constructor);
//\\ public int Count {
//\\ get { return this.Rows.Count; }
//\\ }
CodeMemberProperty countProp = PropertyDecl(typeof(System.Int32), "Count", MemberAttributes.Public | MemberAttributes.Final); {
countProp.CustomAttributes.Add(AttributeDecl("System.ComponentModel.Browsable", Primitive(false)));
countProp.GetStatements.Add(Return(Property(Property(This(), "Rows"), "Count")));
}
dataTableClass.Members.Add(countProp);
for (int i = 0; i < table.Columns.Count; i++) {
//\\ internal DataColumn NAMEColumn {
//\\ get { return this.columnNAME; }
//\\ }
DataColumn column = table.Columns[i];
CodeMemberProperty colProp = PropertyDecl(typeof(DataColumn), TableColumnPropertyName(column), MemberAttributes.Assembly | MemberAttributes.Final); {
colProp.GetStatements.Add(Return(Field(This(), TableColumnFieldName(column))));
}
dataTableClass.Members.Add(colProp);
}
//\\ public this[int index] {
//\\ return () this.Rows[index];
//\\ }
CodeMemberProperty thisIndex = PropertyDecl(stRowConcreateClassName, "Item", MemberAttributes.Public | MemberAttributes.Final); {
thisIndex.Parameters.Add(ParameterDecl(typeof(Int32), "index"));
thisIndex.GetStatements.Add(Return(Cast(stRowConcreateClassName, Indexer(Property(This(), "Rows"), Argument("index")))));
}
dataTableClass.Members.Add(thisIndex);
//\\ public void Add( row) {
//\\ this.Rows.Add(row);
//\\ }
CodeMemberMethod addMethod = MethodDecl(typeof(void), "Add" + stRowClassName, MemberAttributes.Public | MemberAttributes.Final); {
addMethod.Parameters.Add(ParameterDecl(stRowConcreateClassName, "row"));
addMethod.Statements.Add(MethodCall(Property(This(), "Rows"), "Add", Argument("row")));
}
dataTableClass.Members.Add(addMethod);
//\\ public Add( [, ...]) {
//\\ row;
//\\ row = ((COMPUTERRow)(this.NewRow()));
//\\ row.ItemArray = new Object[] {NAME, VERSION, null};
//\\ this.Rows.Add(row);
//\\ return row;
//\\ }
ArrayList parameterColumnList = new ArrayList();
for (int i = 0; i < table.Columns.Count; i++) {
if (!table.Columns[i].AutoIncrement) {
parameterColumnList.Add(table.Columns[i]);
}
}
CodeMemberMethod addByColName = MethodDecl(stRowConcreateClassName, "Add" + stRowClassName, MemberAttributes.Public | MemberAttributes.Final); {
DataColumn[] index = new DataColumn[parameterColumnList.Count];
parameterColumnList.CopyTo(index, 0);
for (int i = 0; i < index.Length; i++) {
Type DataType = index[i].DataType;
DataRelation relation = index[i].FindParentRelation();
if (ChildRelationFollowable(relation)) {
string ParentTypedRowName = RowClassName(relation.ParentTable);
string argumentName = FixIdName("parent" + ParentTypedRowName + "By" + relation.RelationName);
addByColName.Parameters.Add(ParameterDecl(ParentTypedRowName, argumentName));
}
else {
addByColName.Parameters.Add(ParameterDecl(GetTypeName(DataType), RowColumnPropertyName(index[i])));
}
}
addByColName.Statements.Add(VariableDecl(stRowConcreateClassName, "row" + stRowClassName, Cast(stRowConcreateClassName, MethodCall(This(), "NewRow"))));
CodeExpression varRow = Variable("row" + stRowClassName);
CodeAssignStatement assignStmt = new CodeAssignStatement(); {
assignStmt.Left = Property(varRow, "ItemArray");
CodeArrayCreateExpression newArray = new CodeArrayCreateExpression();
newArray.CreateType = Type(typeof(object));
index = new DataColumn[table.Columns.Count];
table.Columns.CopyTo(index, 0);
for (int i = 0; i < index.Length; i++) {
if (index[i].AutoIncrement) {
newArray.Initializers.Add(Primitive(null));
}else {
DataRelation relation = index[i].FindParentRelation();
if (ChildRelationFollowable(relation)) {
string ParentTypedRowName = RowClassName(relation.ParentTable);
string argumentName = FixIdName("parent" + ParentTypedRowName + "By" + relation.RelationName);
newArray.Initializers.Add(Indexer(Argument(argumentName), Primitive(relation.ParentColumnsReference[0].Ordinal)));
}
else {
newArray.Initializers.Add(Argument(RowColumnPropertyName(index[i])));
}
}
}
assignStmt.Right = newArray;
}
addByColName.Statements.Add(assignStmt);
addByColName.Statements.Add(MethodCall(Property(This(), "Rows"), "Add", varRow));
addByColName.Statements.Add(Return(varRow));
}
dataTableClass.Members.Add(addByColName);
for (int j = 0; j < table.Constraints.Count; j++) {
if (!(table.Constraints[j] is UniqueConstraint)) {
continue;
}
if (!(((UniqueConstraint)(table.Constraints[j])).IsPrimaryKey)) {
continue;
}
DataColumn[] index = ((UniqueConstraint)table.Constraints[j]).ColumnsReference;
string FindByName = "FindBy";
bool AllHidden = true;
for (int i = 0; i < index.Length; i++) {
FindByName += RowColumnPropertyName(index[i]);
if(index[i].ColumnMapping != MappingType.Hidden) {
AllHidden = false;
}
}
if(AllHidden) {
continue; // We are not generating FindBy* methods for hidden columns
}
//\\ public FindBy[...]( [, ...]) {
//\\ return ()(this.Rows.Find(new Object[] {[, ...]}));
//\\ }
CodeMemberMethod findBy = MethodDecl(stRowClassName, FixIdName(FindByName), MemberAttributes.Public | MemberAttributes.Final); {
for (int i = 0; i < index.Length; i++) {
findBy.Parameters.Add(ParameterDecl(GetTypeName(index[i].DataType), RowColumnPropertyName(index[i])));
}
CodeArrayCreateExpression arrayCreate = new CodeArrayCreateExpression(typeof(object), index.Length);
for (int i = 0; i < index.Length; i++) {
arrayCreate.Initializers.Add(Argument(RowColumnPropertyName(index[i])));
}
findBy.Statements.Add(Return(Cast(stRowClassName, MethodCall(Property(This(), "Rows"), "Find", arrayCreate))));
}
dataTableClass.Members.Add(findBy);
}
//\\ public System.Collections.IEnumerator GetEnumerator() {
//\\ return this.GetEnumerator();
//\\ }
CodeMemberMethod getEnumerator = MethodDecl(typeof(System.Collections.IEnumerator), "GetEnumerator", MemberAttributes.Public | MemberAttributes.Final); {
getEnumerator.ImplementationTypes.Add(Type("System.Collections.IEnumerable"));
getEnumerator.Statements.Add(Return(MethodCall(Property(This(), "Rows"), "GetEnumerator")));
}
dataTableClass.Members.Add(getEnumerator);
//\\ public override DataTable Clone() {
//\\ cln = (()
//\\ }
CodeMemberMethod createInstance = MethodDecl(typeof(DataTable), "CreateInstance", MemberAttributes.Family | MemberAttributes.Override); {
createInstance.Statements.Add(Return(New(stTblClassName, new CodeExpression[] {})));
}
dataTableClass.Members.Add(createInstance);
//\\ private void InitClass() ...
CodeMemberMethod tableInitClass = MethodDecl(typeof(void), "InitClass", MemberAttributes.Private); {
//\\ public void InitVars() ...
CodeMemberMethod tableInitVars = MethodDecl(typeof(void), "InitVars", MemberAttributes.Assembly | MemberAttributes.Final); {
for (int i = 0; i < table.Columns.Count; i++) {
DataColumn column = table.Columns[i];
string ColumnName = TableColumnFieldName(column);
//\\ this.column
CodeExpression codeField = Field(This(), ColumnName);
//\\ this.column = new DataColumn("", typeof(), "", MappingType.Hidden);
tableInitClass.Statements.Add(Assign(codeField,
New(typeof(DataColumn),
new CodeExpression[] {
Str(column.ColumnName),
TypeOf(GetTypeName(column.DataType)),
Primitive(null),
Field(TypeExpr(typeof(MappingType)),
(column.ColumnMapping == MappingType.SimpleContent) ? "SimpleContent" :
(column.ColumnMapping == MappingType.Attribute ) ? "Attribute" :
(column.ColumnMapping == MappingType.Hidden ) ? "Hidden" :
/*defult*/ "Element"
)
}
)
));
//\\ this.Columns.Add(this.column);
tableInitClass.Statements.Add(MethodCall(Property(This(), "Columns"), "Add", Field(This(), ColumnName)));
}
for (int i = 0; i < table.Constraints.Count; i++) {
if (!(table.Constraints[i] is UniqueConstraint)) {
continue;
}
//\\ this.Constraints.Add = new UniqueConstraint(, new DataColumn[] {this.column [, ...]});
UniqueConstraint uc = (UniqueConstraint)(table.Constraints[i]);
DataColumn[] columns = uc.ColumnsReference;
CodeExpression[] createArgs = new CodeExpression[columns.Length]; {
for (int j = 0; j < columns.Length; j++) {
createArgs[j] = Field(This(), TableColumnFieldName(columns[j]));
}
}
tableInitClass.Statements.Add(MethodCall(Property(This(), "Constraints"), "Add",
New(typeof(UniqueConstraint),
new CodeExpression[] {
Str(uc.ConstraintName),
new CodeArrayCreateExpression(typeof(DataColumn), createArgs),
Primitive(uc.IsPrimaryKey)
}
)
));
}
for (int i = 0; i < table.Columns.Count; i++) {
DataColumn column = table.Columns[i];
string ColumnName = TableColumnFieldName(column);
//\\ this.column
CodeExpression codeField = Field(This(), ColumnName);
//\\ this.column = this.Columns[""];
tableInitVars.Statements.Add(Assign(codeField, Indexer(Property(This(),"Columns"),Str(column.ColumnName))));
if (column.AutoIncrement) {
//\\ this.column.AutoIncrement = true;
tableInitClass.Statements.Add(Assign(Property(codeField, "AutoIncrement"), Primitive(true)));
}
if (column.AutoIncrementSeed != 0) {
//\\ this.column.AutoIncrementSeed = ;
tableInitClass.Statements.Add(Assign(Property(codeField, "AutoIncrementSeed"), Primitive(column.AutoIncrementSeed)));
}
if (column.AutoIncrementStep != 1) {
//\\ this.column.AutoIncrementStep = ;
tableInitClass.Statements.Add(Assign(Property(codeField, "AutoIncrementStep"), Primitive(column.AutoIncrementStep)));
}
if (!column.AllowDBNull) {
//\\ this.column.AllowDBNull = false;
tableInitClass.Statements.Add(Assign(Property(codeField, "AllowDBNull"), Primitive(false)));
}
if (column.ReadOnly) {
//\\ this.column.ReadOnly = true;
tableInitClass.Statements.Add(Assign(Property(codeField, "ReadOnly"), Primitive(true)));
}
if (column.Unique) {
//\\ this.column.Unique = true;
tableInitClass.Statements.Add(Assign(Property(codeField, "Unique"), Primitive(true)));
}
if (!Common.ADP.IsEmpty(column.Prefix)) {
//\\ this.column.Prefix = "";
tableInitClass.Statements.Add(Assign(Property(codeField, "Prefix"), Str(column.Prefix)));
}
if (column._columnUri != null) {
//\\ this.column.Namespace = "";
tableInitClass.Statements.Add(Assign(Property(codeField, "Namespace"), Str(column.Namespace)));
}
if (column.Caption != column.ColumnName) {
//\\ this.column.Caption = "";
tableInitClass.Statements.Add(Assign(Property(codeField, "Caption"), Str(column.Caption)));
}
if (column.DefaultValue != DBNull.Value) {
//\\ this.column.DefaultValue = "";
tableInitClass.Statements.Add(Assign(Property(codeField, "DefaultValue"), Primitive(column.DefaultValue)));
}
if (column.MaxLength != -1) {
//\\ this.column.MaxLength = "";
tableInitClass.Statements.Add(Assign(Property(codeField, "MaxLength"), Primitive(column.MaxLength)));
}
}
if (table.ShouldSerializeCaseSensitive()) {
//\\ this.CaseSensitive = ;
tableInitClass.Statements.Add(Assign(Property(This(), "CaseSensitive"), Primitive(table.CaseSensitive)));
}
if (table.ShouldSerializeLocale()) {
//\\ this.Locale = new System.Globalization.CultureInfo("");
tableInitClass.Statements.Add(Assign(Property(This(), "Locale"), New(typeof(System.Globalization.CultureInfo),new CodeExpression[] {Str(table.Locale.ToString())})));
}
if (!Common.ADP.IsEmpty(table.Prefix)) {
//\\ this.Prefix = "";
tableInitClass.Statements.Add(Assign(Property(This(), "Prefix"), Str(table.Prefix)));
}
if (table.tableNamespace != null) {
//\\ this.Namespace = ;
tableInitClass.Statements.Add(Assign(Property(This(), "Namespace"), Str(table.Namespace)));
}
if (table.MinimumCapacity != 50) {
//\\ this.MinimumCapacity = ;
tableInitClass.Statements.Add(Assign(Property(This(), "MinimumCapacity"), Primitive(table.MinimumCapacity)));
}
if (table.displayExpression != null) {
//\\ this.DisplayExpression = "";
tableInitClass.Statements.Add(Assign(Property(This(), "DisplayExpression"), Str(table.DisplayExpressionInternal)));
}
}
dataTableClass.Members.Add(tableInitVars);
}
dataTableClass.Members.Add(tableInitClass);
//\\ public New() {
//\\ return () NewRow();
//\\ }
CodeMemberMethod newTableRow = MethodDecl(stRowConcreateClassName, "New" + stRowClassName, MemberAttributes.Public | MemberAttributes.Final); {
newTableRow.Statements.Add(Return(Cast(stRowConcreateClassName, MethodCall(This(), "NewRow"))));
}
dataTableClass.Members.Add(newTableRow);
//\\ protected override DataRow NewRowFromBuilder(DataRowBuilder builder) {
//\\ return new(builder);
//\\ }
CodeMemberMethod newRowFromBuilder = MethodDecl(typeof(DataRow), "NewRowFromBuilder", MemberAttributes.Family | MemberAttributes.Override); {
newRowFromBuilder.Parameters.Add(ParameterDecl(typeof(DataRowBuilder), "builder"));
newRowFromBuilder.Statements.Add(Return(New(stRowConcreateClassName, new CodeExpression[] {Argument("builder")})));
}
dataTableClass.Members.Add(newRowFromBuilder);
//\\ protected override System.Type GetRowType() {
//\\ return typeof();
//\\ }
CodeMemberMethod getRowType = MethodDecl(typeof(System.Type), "GetRowType", MemberAttributes.Family | MemberAttributes.Override); {
getRowType.Statements.Add(Return(TypeOf(stRowConcreateClassName)));
}
dataTableClass.Members.Add(getRowType);
dataTableClass.Members.Add(CreateOnRowEventMethod("Changed" , stRowClassName));
dataTableClass.Members.Add(CreateOnRowEventMethod("Changing", stRowClassName));
dataTableClass.Members.Add(CreateOnRowEventMethod("Deleted" , stRowClassName));
dataTableClass.Members.Add(CreateOnRowEventMethod("Deleting", stRowClassName));
//\\ public void Remove( row) {
//\\ this.Rows.Remove(row);
//\\ }
CodeMemberMethod removeMethod = MethodDecl(typeof(void), "Remove" + stRowClassName, MemberAttributes.Public | MemberAttributes.Final); {
removeMethod.Parameters.Add(ParameterDecl(stRowConcreateClassName, "row"));
removeMethod.Statements.Add(MethodCall(Property(This(), "Rows"), "Remove", Argument("row")));
}
dataTableClass.Members.Add(removeMethod);
return dataTableClass;
}// CreateTypedTable
private CodeTypeDeclaration CreateTypedRow(DataTable table) {
string stRowClassName = RowClassName( table);
string stTblClassName = TableClassName(table);
string stTblFieldName = TableFieldName(table);
bool storageInitialized = false;
CodeTypeDeclaration rowClass = new CodeTypeDeclaration();
rowClass.Name = stRowClassName;
string strTemp = RowBaseClassName(table);
if (string.Compare(strTemp, "DataRow", StringComparison.Ordinal) == 0) {
rowClass.BaseTypes.Add(typeof(DataRow));
}
else {
rowClass.BaseTypes.Add(strTemp);
}
rowClass.CustomAttributes.Add(AttributeDecl("System.Diagnostics.DebuggerStepThrough"));
//\\ table;
rowClass.Members.Add(FieldDecl(stTblClassName, stTblFieldName));
CodeConstructor constructor = new CodeConstructor(); {
constructor.Attributes = MemberAttributes.Assembly | MemberAttributes.Final;
constructor.Parameters.Add(ParameterDecl(typeof(DataRowBuilder), "rb"));
constructor.BaseConstructorArgs.Add(Argument("rb"));
constructor.Statements.Add(Assign(Field(This(), stTblFieldName), Cast(stTblClassName, Property(This(),"Table"))));
}
rowClass.Members.Add(constructor);
foreach(DataColumn col in table.Columns) {
if(col.ColumnMapping != MappingType.Hidden) {
Type DataType = col.DataType;
string rowColumnName = RowColumnPropertyName( col);
string tableColumnName = TableColumnPropertyName(col);
//\\ public {
//\\ get {
//\\ try{
//\\ return (()(this[this.table.Column]));
//\\ }catch(InvalidCastException e) {
//\\ throw new StrongTypingException("StrongTyping_CananotAccessDBNull", e);
//\\ }
//\\ }
//\\or
//\\ get {
//\\ if(IsNull()){
//\\ return ();
//\\ }else {
//\\ return (()(this[this.table.Column]));
//\\ }
//\\ }
//\\or
//\\ get {
//\\ if(IsNull()){
//\\ return _nullValue;
//\\ }else {
//\\ return (()(this[this.table.Column]));
//\\ }
//\\ }
//\\
//\\ set {this[this.table.Column] = value;}
//\\ }
//\\
//\\if required:
//\\ private static _nullValue = ...;
CodeMemberProperty rowProp = PropertyDecl(DataType, rowColumnName, MemberAttributes.Public | MemberAttributes.Final); {
CodeStatement getStmnt = Return(Cast(GetTypeName(DataType), Indexer(This(), Property(Field(This(), stTblFieldName), tableColumnName))));
if(col.AllowDBNull) {
string nullValue = (string) col.ExtendedProperties["nullValue"];
if(nullValue == null || nullValue == "_throw") {
getStmnt = Try(getStmnt,
Catch(typeof(System.InvalidCastException), "e", Throw(typeof(System.Data.StrongTypingException), "StrongTyping_CananotAccessDBNull", "e"))
);
}else {
CodeExpression nullValueFieldInit = null; // in some cases we generate it
CodeExpression nullValueExpr;
if(nullValue == "_null") {
if(col.DataType.IsSubclassOf(typeof(System.ValueType))) {
errorList.Add(Res.GetString(Res.CodeGen_TypeCantBeNull, col.ColumnName, col.DataType.Name));
continue; // with next column.
}
nullValueExpr = Primitive(null);
}else if(nullValue == "_empty") {
if(col.DataType == typeof(string)) {
nullValueExpr = Property(TypeExpr(col.DataType), "Empty");
}else {
nullValueExpr = Field(TypeExpr(stRowClassName), rowColumnName + "_nullValue");
//\\ private static _nullValue = new ();
/* check that object can be constructed with parameterless constructor */ {
System.Reflection.ConstructorInfo ctor = col.DataType.GetConstructor(new Type[] {typeof(string)});
if(ctor == null) {
errorList.Add(Res.GetString(Res.CodeGen_NoCtor0, col.ColumnName, col.DataType.Name));
continue; // with next column.
}
ctor.Invoke(new Object[] {}); // can throw here.
}
nullValueFieldInit = New(col.DataType, new CodeExpression[] {});
}
}else {
if(! storageInitialized) {
table.NewRow(); // by this we force DataTable create DataStorage for each column in a table.
storageInitialized = true;
}
object nullValueObj = col.ConvertXmlToObject(nullValue); // the exception will be throw if nullValue can't be conwerted to col.DataType
if(
col.DataType == typeof(char) || col.DataType == typeof(string) ||
col.DataType == typeof(decimal)|| col.DataType == typeof(bool) ||
col.DataType == typeof(Single) || col.DataType == typeof(double) ||
col.DataType == typeof(SByte) || col.DataType == typeof(Byte) ||
col.DataType == typeof(Int16) || col.DataType == typeof(UInt16) ||
col.DataType == typeof(Int32) || col.DataType == typeof(UInt32) ||
col.DataType == typeof(Int64) || col.DataType == typeof(UInt64)
) { // types can be presented by literal. Realy this is language dependent :-(
nullValueExpr = Primitive(nullValueObj);
}else {
nullValueExpr = Field(TypeExpr(stRowClassName), rowColumnName + "_nullValue");
//\\ private static _nullValue = new ("");
if(col.DataType == typeof(Byte[])) {
nullValueFieldInit = MethodCall(TypeExpr(typeof(System.Convert)), "FromBase64String", Primitive(nullValue));
}else if(col.DataType == typeof(DateTime) || col.DataType == typeof(TimeSpan)) {
nullValueFieldInit = MethodCall(TypeExpr(col.DataType), "Parse", Primitive(nullValueObj.ToString()));
}else /*object*/ {
/* check that type can be constructed from this string */ {
System.Reflection.ConstructorInfo ctor = col.DataType.GetConstructor(new Type[] {typeof(string)});
if(ctor == null) {
errorList.Add(Res.GetString(Res.CodeGen_NoCtor1, col.ColumnName, col.DataType.Name));
continue; // with next column.
}
ctor.Invoke(new Object[] {nullValue}); // can throw here.
}
nullValueFieldInit = New(col.DataType, new CodeExpression[] {Primitive(nullValue)});
}
}
}
getStmnt = If(MethodCall(This(), "Is" + rowColumnName + "Null"),
new CodeStatement[] {Return(nullValueExpr)},
new CodeStatement[] {getStmnt}
);
if(nullValueFieldInit != null) {
CodeMemberField nullValueField = FieldDecl(col.DataType, rowColumnName + "_nullValue"); {
nullValueField.Attributes = MemberAttributes.Static | MemberAttributes.Private;
nullValueField.InitExpression = nullValueFieldInit;
}
rowClass.Members.Add(nullValueField);
}
}
}
rowProp.GetStatements.Add(getStmnt);
rowProp.SetStatements.Add(Assign(Indexer(This(), Property(Field(This(), stTblFieldName), tableColumnName)), Value()));
}
rowClass.Members.Add(rowProp);
if (col.AllowDBNull) {
//\\ public bool IsNull() {
//\\ return this.IsNull(this.table.Column);
//\\ }
CodeMemberMethod isNull = MethodDecl(typeof(System.Boolean), "Is" + rowColumnName + "Null", MemberAttributes.Public | MemberAttributes.Final); {
isNull.Statements.Add(Return(MethodCall(This(), "IsNull", Property(Field(This(), stTblFieldName), tableColumnName))));
}
rowClass.Members.Add(isNull);
//\\ public void SetNull() {
//\\ this[this.table.Column] = DBNull.Value;
//\\ }
CodeMemberMethod setNull = MethodDecl(typeof(void), "Set" + rowColumnName + "Null", MemberAttributes.Public | MemberAttributes.Final); {
setNull.Statements.Add(Assign(Indexer(This(), Property(Field(This(), stTblFieldName), tableColumnName)), Field(TypeExpr(typeof(Convert)), "DBNull")));
}
rowClass.Members.Add(setNull);
}
}
}
DataRelationCollection ChildRelations = table.ChildRelations;
for (int i = 0; i < ChildRelations.Count; i++) {
//\\ public [] GetRows() {
//\\ return ([]) this.GetChildRows(this.Table.ChildRelations[""]);
//\\ }
DataRelation relation = ChildRelations[i];
string rowConcreateClassName = RowConcreteClassName(relation.ChildTable);
CodeMemberMethod childArray = Method(Type(rowConcreateClassName, 1), ChildPropertyName(relation), MemberAttributes.Public | MemberAttributes.Final); {
childArray.Statements.Add(Return(Cast(Type(rowConcreateClassName, 1), MethodCall(This(), "GetChildRows", Indexer(Property(Property(This(), "Table"), "ChildRelations"), Str(relation.RelationName))))));
}
rowClass.Members.Add(childArray);
}
DataRelationCollection ParentRelations = table.ParentRelations;
for (int i = 0; i < ParentRelations.Count; i++) {
//\\ public Parent {
//\\ get {
//\\ return (()(this.GetParentRow(this.Table.ParentRelations[""])));
//\\ }
//\\ set {
//\\ this.SetParentRow(value, this.Table.ParentRelations[""]);
//\\ }
//\\ }
DataRelation relation = ParentRelations[i];
string ParentTypedRowName = RowClassName(relation.ParentTable);
CodeMemberProperty anotherProp = PropertyDecl(ParentTypedRowName, ParentPropertyName(relation), MemberAttributes.Public | MemberAttributes.Final); {
anotherProp.GetStatements.Add(Return(Cast(ParentTypedRowName, MethodCall(This(), "GetParentRow", Indexer(Property(Property(This(), "Table"), "ParentRelations"), Str(relation.RelationName))))));
anotherProp.SetStatements.Add(MethodCall(This(), "SetParentRow", new CodeExpression[] {Value(), Indexer(Property(Property(This(), "Table"), "ParentRelations"), Str(relation.RelationName))}));
}
rowClass.Members.Add(anotherProp);
}
return rowClass;
}// CreateTypedRow
private CodeTypeDeclaration CreateTypedRowEvent(DataTable table) {
string stRowClassName = RowClassName( table);
string stTblClassName = TableClassName(table);
string stRowConcreateClassName = RowConcreteClassName(table);
CodeTypeDeclaration rowClass = new CodeTypeDeclaration();
rowClass.Name = stRowClassName + "ChangeEvent";
rowClass.BaseTypes.Add(typeof(EventArgs));
rowClass.CustomAttributes.Add(AttributeDecl("System.Diagnostics.DebuggerStepThrough"));
//\\ private eventRow;
rowClass.Members.Add(FieldDecl(stRowConcreateClassName, "eventRow"));
//\\ private DataRowAction eventAction;
rowClass.Members.Add(FieldDecl(typeof(DataRowAction), "eventAction"));
//\\ public ChangeEvent(RowClassName row, DataRowAction action) {
//\\ this.eventRow = row;
//\\ this.eventAction = action;
//\\ }
CodeConstructor constructor = new CodeConstructor(); {
constructor.Attributes = MemberAttributes.Public | MemberAttributes.Final;
constructor.Parameters.Add(ParameterDecl(stRowConcreateClassName, "row" ));
constructor.Parameters.Add(ParameterDecl(typeof(DataRowAction), "action"));
constructor.Statements.Add(Assign(Field(This(), "eventRow" ), Argument("row" )));
constructor.Statements.Add(Assign(Field(This(), "eventAction"), Argument("action")));
}
rowClass.Members.Add(constructor);
//\\ public COMPUTERRow {
//\\ get { return this.eventRow; }
//\\ }
CodeMemberProperty rowProp = PropertyDecl(stRowConcreateClassName, "Row", MemberAttributes.Public | MemberAttributes.Final); {
rowProp.GetStatements.Add(Return(Field(This(), "eventRow")));
}
rowClass.Members.Add(rowProp);
//\\ public DataRowAction Action {
//\\ get { return this.eventAction; }
//\\ }
rowProp = PropertyDecl(typeof(DataRowAction), "Action", MemberAttributes.Public | MemberAttributes.Final); {
rowProp.GetStatements.Add(Return(Field(This(), "eventAction")));
}
rowClass.Members.Add(rowProp);
return rowClass;
}// CreateTypedRowEvent
private CodeTypeDelegate CreateTypedRowEventHandler(DataTable table) {
string stRowClassName = RowClassName(table);
//\\ public delegate void ChangeEventHandler(object sender, ChangeEvent e);
CodeTypeDelegate delegateClass = new CodeTypeDelegate(stRowClassName + "ChangeEventHandler"); {
delegateClass.TypeAttributes |= System.Reflection.TypeAttributes.Public;
delegateClass.Parameters.Add(ParameterDecl(typeof(object), "sender"));
delegateClass.Parameters.Add(ParameterDecl(stRowClassName + "ChangeEvent", "e"));
}
return delegateClass;
}// CreateTypedRowEventHandler
private CodeTypeDeclaration CreateTypedDataSet(DataSet dataSet) {
string stDataSetClassName = FixIdName(dataSet.DataSetName);
CodeTypeDeclaration dataSetClass = new CodeTypeDeclaration(stDataSetClassName);
dataSetClass.BaseTypes.Add(typeof(DataSet));
dataSetClass.CustomAttributes.Add(AttributeDecl("System.Serializable"));
dataSetClass.CustomAttributes.Add(AttributeDecl("System.ComponentModel.DesignerCategoryAttribute", Str("code")));
dataSetClass.CustomAttributes.Add(AttributeDecl("System.Diagnostics.DebuggerStepThrough"));
dataSetClass.CustomAttributes.Add(AttributeDecl("System.ComponentModel.ToolboxItem", Primitive(true)));
dataSetClass.CustomAttributes.Add(AttributeDecl(typeof(XmlSchemaProviderAttribute).FullName, Primitive("GetTypedDataSetSchema")));
dataSetClass.CustomAttributes.Add(AttributeDecl(typeof(XmlRootAttribute).FullName, Primitive(stDataSetClassName)));
for (int i = 0; i < dataSet.Tables.Count; i++) {
dataSetClass.Members.Add(FieldDecl(TableClassName(dataSet.Tables[i]), TableFieldName(dataSet.Tables[i])));
}
for (int i = 0; i < dataSet.Relations.Count; i++) {
//\\ DataRelation relation;
dataSetClass.Members.Add(FieldDecl(typeof(DataRelation), RelationFieldName(dataSet.Relations[i])));
}
CodeConstructor constructor = new CodeConstructor(); {
constructor.Attributes = MemberAttributes.Public;
constructor.Statements.Add(MethodCall(This(), "BeginInit"));
constructor.Statements.Add(MethodCall(This(), "InitClass"));
constructor.Statements.Add(VariableDecl(typeof(CollectionChangeEventHandler),"schemaChangedHandler",
new CodeDelegateCreateExpression(Type(typeof(CollectionChangeEventHandler)),This(),"SchemaChanged")));
constructor.Statements.Add(new System.CodeDom.CodeAttachEventStatement(new CodeEventReferenceExpression(Property(This(),"Tables"),"CollectionChanged"),Variable("schemaChangedHandler")));
constructor.Statements.Add(new System.CodeDom.CodeAttachEventStatement(new CodeEventReferenceExpression(Property(This(),"Relations"),"CollectionChanged"),Variable("schemaChangedHandler")));
constructor.Statements.Add(MethodCall(This(), "EndInit"));
}
dataSetClass.Members.Add(constructor);
constructor = new CodeConstructor(); {
constructor.Attributes = MemberAttributes.Family;
constructor.Parameters.Add(ParameterDecl(typeof(System.Runtime.Serialization.SerializationInfo), "info" ));
constructor.Parameters.Add(ParameterDecl(typeof(System.Runtime.Serialization.StreamingContext), "context"));
constructor.BaseConstructorArgs.AddRange(new CodeExpression[] {Argument("info"), Argument("context")});
constructor.Statements.Add(
If(EQ(MethodCall(This(), "IsBinarySerialized", new CodeExpression[] {Argument("info"), Argument("context")}), Primitive(true)) ,
new CodeStatement[] {
Stm(MethodCall(This(),"InitVars", Primitive(false))),
VariableDecl(typeof(CollectionChangeEventHandler),"schemaChangedHandler1",
new CodeDelegateCreateExpression(Type(typeof(CollectionChangeEventHandler)),This(),"SchemaChanged")) ,
new System.CodeDom.CodeAttachEventStatement(new CodeEventReferenceExpression(Property(This(),"Tables"),"CollectionChanged"),Variable("schemaChangedHandler1")) ,
new System.CodeDom.CodeAttachEventStatement(new CodeEventReferenceExpression(Property(This(),"Relations"),"CollectionChanged"),Variable("schemaChangedHandler1")),
Return()})
);
constructor.Statements.Add(
VariableDecl(typeof(String), "strSchema",
Cast("System.String", MethodCall(Argument("info"), "GetValue", new CodeExpression[] {Str("XmlSchema"),TypeOf("System.String")})))
);
ArrayList schemaBody = new ArrayList();
schemaBody.Add(VariableDecl(typeof(DataSet),"ds",New(typeof(DataSet),new CodeExpression[] {})));
schemaBody.Add(Stm(MethodCall(Variable("ds"),"ReadXmlSchema",new CodeExpression[] {New(typeof(System.Xml.XmlTextReader),new CodeExpression[] {New("System.IO.StringReader",new CodeExpression[] {Variable("strSchema")})})})));
for (int i = 0; i < dataSet.Tables.Count; i++) {
//\\ this.Tables.Add(new (""));
schemaBody.Add(
If(IdNotEQ(Indexer(Property(Variable("ds"),"Tables"),Str(dataSet.Tables[i].TableName)),Primitive(null)),
Stm(MethodCall(Property(This(), "Tables"), "Add", New(TableClassName(dataSet.Tables[i]), new CodeExpression[] {Indexer(Property(Variable("ds"),"Tables"),Str(dataSet.Tables[i].TableName))})))
)
);
}
schemaBody.Add(Assign(Property(This(), "DataSetName"), Property(Variable("ds"),"DataSetName")));
schemaBody.Add(Assign(Property(This(), "Prefix"), Property(Variable("ds"),"Prefix")));
schemaBody.Add(Assign(Property(This(), "Namespace"), Property(Variable("ds"),"Namespace")));
schemaBody.Add(Assign(Property(This(), "Locale"), Property(Variable("ds"),"Locale")));
schemaBody.Add(Assign(Property(This(), "CaseSensitive"), Property(Variable("ds"),"CaseSensitive")));
schemaBody.Add(Assign(Property(This(), "EnforceConstraints"), Property(Variable("ds"),"EnforceConstraints")));
schemaBody.Add(Stm(MethodCall(This(),"Merge",new CodeExpression[] {Variable("ds"),Primitive(false),Field(TypeExpr(typeof(MissingSchemaAction)),"Add")})));
schemaBody.Add(Stm(MethodCall(This(),"InitVars")));
CodeStatement[] schemaBodyArray = new CodeStatement[schemaBody.Count];
schemaBody.CopyTo(schemaBodyArray);
constructor.Statements.Add(
If(IdNotEQ(Variable("strSchema"),Primitive(null)),
schemaBodyArray,
new CodeStatement[] {
Stm(MethodCall(This(), "BeginInit")),
Stm(MethodCall(This(), "InitClass")),
Stm(MethodCall(This(), "EndInit"))
}
)
);
constructor.Statements.Add(MethodCall(This(), "GetSerializationData", new CodeExpression [] { Argument("info"), Argument("context") }));
constructor.Statements.Add(VariableDecl(typeof(CollectionChangeEventHandler),"schemaChangedHandler",
new CodeDelegateCreateExpression(Type(typeof(CollectionChangeEventHandler)),This(),"SchemaChanged")));
constructor.Statements.Add(new System.CodeDom.CodeAttachEventStatement(new CodeEventReferenceExpression(Property(This(),"Tables"),"CollectionChanged"),Variable("schemaChangedHandler")));
constructor.Statements.Add(new System.CodeDom.CodeAttachEventStatement(new CodeEventReferenceExpression(Property(This(),"Relations"),"CollectionChanged"),Variable("schemaChangedHandler")));
}
dataSetClass.Members.Add(constructor);
//\\ public override DataSet Clone() {
//\\ cln = (");
initClassMethod.Statements.Add(Assign(Property(This(), "Locale"), New(typeof(System.Globalization.CultureInfo),new CodeExpression[] {Str(dataSet.Locale.ToString())})));
//\\ this.CaseSensitive = ;
initClassMethod.Statements.Add(Assign(Property(This(), "CaseSensitive"), Primitive(dataSet.CaseSensitive)));
//\\ this.EnforceConstraints = ;
initClassMethod.Statements.Add(Assign(Property(This(), "EnforceConstraints"), Primitive(dataSet.EnforceConstraints)));
for (int i = 0; i < dataSet.Tables.Count; i++) {
CodeExpression fieldTable = Field(This(), TableFieldName(dataSet.Tables[i]));
//\\ table = new ("");
initClassMethod.Statements.Add(Assign(fieldTable, New(TableClassName(dataSet.Tables[i]), new CodeExpression[] {})));
//\\ this.Tables.Add(this.table);
initClassMethod.Statements.Add(MethodCall(Property(This(), "Tables"), "Add", fieldTable));
//\\ this.table = ()this.Tables[""];
//\\ if (this.table != null)
//\\ this.table.InitVars();
initVarsMethod.Statements.Add(Assign(fieldTable, Cast(TableClassName(dataSet.Tables[i]), Indexer(Property(This(),"Tables"),Str(dataSet.Tables[i].TableName)))));
initVarsMethod.Statements.Add(
If(
EQ(Variable("initTable"), Primitive(true)),
new CodeStatement[] {
If(IdNotEQ(fieldTable,Primitive(null)),
Stm(MethodCall(fieldTable,"InitVars")))
})
);
}
//\\ protected override bool ShouldSerializeTables() {
//\\ return false;
//\\ }
CodeMemberMethod shouldSerializeTables = MethodDecl(typeof(System.Boolean), "ShouldSerializeTables", MemberAttributes.Family | MemberAttributes.Override); {
shouldSerializeTables.Statements.Add(Return(Primitive(false)));
}
dataSetClass.Members.Add(shouldSerializeTables);
//\\ protected override bool ShouldSerializableRelations() {
//\\ return false;
//\\ }
CodeMemberMethod shouldSerializeRelations = MethodDecl(typeof(System.Boolean), "ShouldSerializeRelations", MemberAttributes.Family | MemberAttributes.Override); {
shouldSerializeRelations.Statements.Add(Return(Primitive(false)));
}
dataSetClass.Members.Add(shouldSerializeRelations);
//\\ sample wsdl generated for TDS, we will just generate for Version 1.0 & 1.1
//\\
//\\
//\\
//\\ (""));
readXmlSerializable.Statements.Add(
If(IdNotEQ(Indexer(Property(Variable("ds"),"Tables"),Str(dataSet.Tables[i].TableName)),Primitive(null)),
Stm(MethodCall(Property(This(), "Tables"), "Add", New(TableClassName(dataSet.Tables[i]), new CodeExpression[] {Indexer(Property(Variable("ds"),"Tables"),Str(dataSet.Tables[i].TableName))})))
)
);
}
readXmlSerializable.Statements.Add(Assign(Property(This(), "DataSetName"), Property(Variable("ds"),"DataSetName")));
readXmlSerializable.Statements.Add(Assign(Property(This(), "Prefix"), Property(Variable("ds"),"Prefix")));
readXmlSerializable.Statements.Add(Assign(Property(This(), "Namespace"), Property(Variable("ds"),"Namespace")));
readXmlSerializable.Statements.Add(Assign(Property(This(), "Locale"), Property(Variable("ds"),"Locale")));
readXmlSerializable.Statements.Add(Assign(Property(This(), "CaseSensitive"), Property(Variable("ds"),"CaseSensitive")));
readXmlSerializable.Statements.Add(Assign(Property(This(), "EnforceConstraints"), Property(Variable("ds"),"EnforceConstraints")));
readXmlSerializable.Statements.Add(MethodCall(This(),"Merge",new CodeExpression[] {Variable("ds"),Primitive(false),Field(TypeExpr(typeof(MissingSchemaAction)),"Add")}));
readXmlSerializable.Statements.Add(MethodCall(This(),"InitVars"));
// readXmlSerializable.Statements.Add(MethodCall(This(), "ReadXml", new CodeExpression [] { Argument("reader"), Argument("XmlReadMode.IgnoreSchema") }));
}
dataSetClass.Members.Add(readXmlSerializable);
//\\ protected override System.Xml.Schema.XmlSchema GetSchemaSerializable() {
//\\ System.IO.MemoryStream stream = new System.IO.MemoryStream();
//\\ WriteXmlSchema(new XmlTextWriter(stream, null ));
//\\ stream.Position = 0;
//\\ return System.Xml.Schema.XmlSchema.Read(new XmlTextReader(stream));
//\\ }
CodeMemberMethod getSchemaSerializable = MethodDecl(typeof(System.Xml.Schema.XmlSchema), "GetSchemaSerializable", MemberAttributes.Family | MemberAttributes.Override); {
getSchemaSerializable.Statements.Add(VariableDecl(typeof(System.IO.MemoryStream), "stream", New(typeof(System.IO.MemoryStream),new CodeExpression[] {})));
getSchemaSerializable.Statements.Add(MethodCall(This(), "WriteXmlSchema", New(typeof(System.Xml.XmlTextWriter),new CodeExpression[] {Argument("stream"),Primitive(null)})));
getSchemaSerializable.Statements.Add(Assign(Property(Argument("stream"),"Position"),Primitive(0)));
getSchemaSerializable.Statements.Add(Return(MethodCall(TypeExpr("System.Xml.Schema.XmlSchema"),"Read",new CodeExpression[] {New(typeof(System.Xml.XmlTextReader),new CodeExpression[] {Argument("stream")}), Primitive(null)})));
}
dataSetClass.Members.Add(getSchemaSerializable);
/************ Add Constraints to the Tables **************************/
CodeExpression varFkc = null;
foreach(DataTable table in dataSet.Tables) {
foreach(Constraint constraint in table.Constraints) {
if (constraint is ForeignKeyConstraint) {
// We only initialize the foreign key constraints here.
//\\ ForeignKeyConstraint fkc;
//\\ fkc = new ForeignKeyConstraint("",
//\\ new DataColumn[] {this.table.Column}, // parent columns
//\\ new DataColumn[] {this.table.Column} // child columns
//\\ ));
//\\ this.table.Constraints.Add(fkc);
//\\ fkc.AcceptRejectRule = constraint.AcceptRejectRule;
//\\ fkc.DeleteRule = constraint.DeleteRule;
//\\ fkc.UpdateRule = constraint.UpdateRule;
ForeignKeyConstraint fkc = (ForeignKeyConstraint) constraint;
CodeArrayCreateExpression childrenColumns = new CodeArrayCreateExpression(typeof(DataColumn), 0); {
foreach(DataColumn c in fkc.Columns) {
childrenColumns.Initializers.Add(Property(Field(This(), TableFieldName(c.Table)), TableColumnPropertyName(c)));
}
}
CodeArrayCreateExpression parentColumns = new CodeArrayCreateExpression(typeof(DataColumn), 0); {
foreach(DataColumn c in fkc.RelatedColumnsReference) {
parentColumns.Initializers.Add(Property(Field(This(), TableFieldName(c.Table)), TableColumnPropertyName(c)));
}
}
if (varFkc == null) {
initClassMethod.Statements.Add(VariableDecl(typeof(ForeignKeyConstraint),"fkc"));
varFkc = Variable("fkc");
}
initClassMethod.Statements.Add(Assign(
varFkc,
New(typeof(ForeignKeyConstraint), new CodeExpression[]{Str(fkc.ConstraintName), parentColumns, childrenColumns})
));
initClassMethod.Statements.Add(MethodCall(
Property(Field(This(), TableFieldName(table)), "Constraints"),
"Add",
varFkc
));
string acceptRejectRule = fkc.AcceptRejectRule.ToString();
string deleteRule = fkc.DeleteRule.ToString();
string updateRule = fkc.UpdateRule.ToString();
initClassMethod.Statements.Add(Assign(Property(varFkc,"AcceptRejectRule"),Field(TypeExpr(fkc.AcceptRejectRule.GetType()), acceptRejectRule)));
initClassMethod.Statements.Add(Assign(Property(varFkc,"DeleteRule"),Field(TypeExpr(fkc.DeleteRule.GetType()), deleteRule)));
initClassMethod.Statements.Add(Assign(Property(varFkc,"UpdateRule"),Field(TypeExpr(fkc.UpdateRule.GetType()), updateRule)));
}
}
}
/************ Add Relations to the Dataset **************************/
foreach(DataRelation relation in dataSet.Relations) {
//\\ this.relation= new DataRelation("",
//\\ new DataColumn[] {this.table.Column}, // parent columns
//\\ new DataColumn[] {this.table.Column}, // child columns
//\\ false // createConstraints
//\\ ));
CodeArrayCreateExpression parentColCreate = new CodeArrayCreateExpression(typeof(DataColumn), 0); {
string parentTableField = TableFieldName(relation.ParentTable);
foreach(DataColumn column in relation.ParentColumnsReference) {
parentColCreate.Initializers.Add(Property(Field(This(), parentTableField), TableColumnPropertyName(column)));
}
}
CodeArrayCreateExpression childColCreate = new CodeArrayCreateExpression(typeof(DataColumn), 0); {
string childTableField = TableFieldName(relation.ChildTable);
foreach(DataColumn column in relation.ChildColumnsReference) {
childColCreate.Initializers.Add(Property(Field(This(), childTableField), TableColumnPropertyName(column)));
}
}
initClassMethod.Statements.Add(Assign(
Field(This(), RelationFieldName(relation)),
New(typeof(DataRelation), new CodeExpression[] {Str(relation.RelationName), parentColCreate, childColCreate,Primitive(false)})
));
if (relation.Nested) {
//\\ this.relation.Nested = true;
initClassMethod.Statements.Add(Assign(Property(Field(This(), RelationFieldName(relation)), "Nested"), Primitive(true)));
}
//\\ this.Relations.Add(this.relation);
initClassMethod.Statements.Add(MethodCall(Property(This(), "Relations"), "Add", Field(This(), RelationFieldName(relation))));
//\\ this.relation = this.Relations[""];
initVarsMethod.Statements.Add(Assign(Field(This(), RelationFieldName(relation)), Indexer(Property(This(),"Relations"),Str(relation.RelationName))));
}
dataSetClass.Members.Add(initVarsMethod);
}
dataSetClass.Members.Add(initClassMethod);
}
for (int i = 0; i < dataSet.Tables.Count; i++) {
string TableProperty = TablePropertyName(dataSet.Tables[i]);
CodeMemberProperty prop = PropertyDecl(TableClassName(dataSet.Tables[i]), TableProperty, MemberAttributes.Public | MemberAttributes.Final); {
prop.CustomAttributes.Add(AttributeDecl("System.ComponentModel.Browsable",
Primitive(false)
));
prop.CustomAttributes.Add(AttributeDecl("System.ComponentModel.DesignerSerializationVisibilityAttribute",
Field(TypeExpr(typeof(DesignerSerializationVisibility)), "Content")
));
prop.GetStatements.Add(Return(Field(This(), TableFieldName(dataSet.Tables[i]))));
}
dataSetClass.Members.Add(prop);
CodeMemberMethod shouldSerializeTableProperty = MethodDecl(typeof(System.Boolean), "ShouldSerialize"+TableProperty, MemberAttributes.Private); {
shouldSerializeTableProperty.Statements.Add(Return(Primitive(false)));
}
dataSetClass.Members.Add(shouldSerializeTableProperty);
}
CodeMemberMethod schemaChanged = MethodDecl(typeof(void), "SchemaChanged", MemberAttributes.Private); {
schemaChanged.Parameters.Add(ParameterDecl(typeof(object), "sender"));
schemaChanged.Parameters.Add(ParameterDecl(typeof(CollectionChangeEventArgs), "e"));
schemaChanged.Statements.Add(
If(EQ(Property(Argument("e"),"Action"),Field(TypeExpr(typeof(CollectionChangeAction)),"Remove")),
Stm(MethodCall(This(),"InitVars"))
)
);
}
dataSetClass.Members.Add(schemaChanged);
bool bInitExpressions = false;
//\\ private void initExpressionMethod() {
//\\ this.table_..Expression = "";
//\\ }
CodeMemberMethod initExpressionMethod = MethodDecl(typeof(void), "InitExpressions", MemberAttributes.Private); {
foreach(DataTable table in dataSet.Tables) {
for (int i = 0; i < table.Columns.Count; i++) {
DataColumn column = table.Columns[i];
CodeExpression codeField = Property(Field(This(), TableFieldName(table)), TableColumnPropertyName(column));
if (column.Expression.Length > 0) {
bInitExpressions = true;
initExpressionMethod.Statements.Add(Assign(Property(codeField, "Expression"), Str(column.Expression)));
}
}
}
}
if (bInitExpressions) {
dataSetClass.Members.Add(initExpressionMethod);
initClassMethod.Statements.Add(MethodCall(This(), "InitExpressions"));
}
return dataSetClass;
}// CreateTypedDataSet
// CodeGen Helper functions :
// -------------------- Expressions: ----------------------------
//\\ this
private static CodeExpression This() { return new CodeThisReferenceExpression();}
//\\ base
private static CodeExpression Base() { return new CodeBaseReferenceExpression();}
//\\ value
private static CodeExpression Value() { return new CodePropertySetValueReferenceExpression();}
//\\
private static CodeTypeReference Type(string type) { return new CodeTypeReference(type); }
private static CodeTypeReference Type(Type type) { return new CodeTypeReference(type); }
//\\ []
private static CodeTypeReference Type(string type, Int32 rank) { return new CodeTypeReference(type, rank); }
//\\
private static CodeTypeReferenceExpression TypeExpr(Type type) { return new CodeTypeReferenceExpression(type); }
private static CodeTypeReferenceExpression TypeExpr(string type) { return new CodeTypeReferenceExpression(type); }
//\\ (())
private static CodeExpression Cast(string type , CodeExpression expr) { return new CodeCastExpression(type, expr); }
private static CodeExpression Cast(CodeTypeReference type, CodeExpression expr) { return new CodeCastExpression(type, expr); }
//\\ typeof()
private static CodeExpression TypeOf(string type) { return new CodeTypeOfExpression(type); }
//\\ .field
private static CodeExpression Field(CodeExpression exp, string field) { return new CodeFieldReferenceExpression(exp, field);}
//\\ .property
private static CodeExpression Property(CodeExpression exp, string property) { return new CodePropertyReferenceExpression(exp, property);}
//\\ argument
private static CodeExpression Argument(string argument) { return new CodeArgumentReferenceExpression(argument);}
//\\ variable
private static CodeExpression Variable(string variable) { return new CodeVariableReferenceExpression(variable);}
//\\ this.eventName
private static CodeExpression Event(string eventName) { return new CodeEventReferenceExpression(This(), eventName);}
//\\ new ()
private static CodeExpression New(string type, CodeExpression[] parameters) { return new CodeObjectCreateExpression(type, parameters);}
//\\ new ()
private static CodeExpression New(Type type, CodeExpression[] parameters) { return new CodeObjectCreateExpression(type, parameters);}
//\\
private static CodeExpression Primitive(object primitive) { return new CodePrimitiveExpression(primitive);}
//\\ ""
private static CodeExpression Str(string str) { return Primitive(str);}
//\\ .()
private static CodeExpression MethodCall(CodeExpression targetObject, String methodName, CodeExpression[] parameters) {
return new CodeMethodInvokeExpression(targetObject, methodName, parameters);
}
//\\ .()
private static CodeExpression MethodCall(CodeExpression targetObject, String methodName) {
return new CodeMethodInvokeExpression(targetObject, methodName);
}
//\\ .(par)
private static CodeExpression MethodCall(CodeExpression targetObject, String methodName, CodeExpression par) {
return new CodeMethodInvokeExpression(targetObject, methodName, new CodeExpression[] {par});
}
//\\ (par)
private static CodeExpression DelegateCall(CodeExpression targetObject, CodeExpression par) {
return new CodeDelegateInvokeExpression(targetObject, new CodeExpression[] {This(), par});
}
//\\ [indices]()
private static CodeExpression Indexer(CodeExpression targetObject, CodeExpression indices) {return new CodeIndexerExpression(targetObject, indices);}
// -------------------- Binary Operators: ----------------------------
private static CodeBinaryOperatorExpression BinOperator(CodeExpression left, CodeBinaryOperatorType op, CodeExpression right) {
return new CodeBinaryOperatorExpression(left, op, right);
}
//\\ (left) != (right)
private static CodeBinaryOperatorExpression IdNotEQ(CodeExpression left, CodeExpression right) {return BinOperator(left, CodeBinaryOperatorType.IdentityInequality, right);}
//\\ (left) == (right)
private static CodeBinaryOperatorExpression EQ( CodeExpression left, CodeExpression right) {return BinOperator(left, CodeBinaryOperatorType.ValueEquality, right);}
// -------------------- Statments: ----------------------------
//\\ ;
private static CodeStatement Stm(CodeExpression expr) { return new CodeExpressionStatement(expr);}
//\\ return();
private static CodeStatement Return(CodeExpression expr) { return new CodeMethodReturnStatement(expr);}
//\\ return;
private static CodeStatement Return() { return new CodeMethodReturnStatement();}
//\\ left = right;
private static CodeStatement Assign(CodeExpression left, CodeExpression right) { return new CodeAssignStatement(left, right);}
//\\ throw new (, )
private static CodeStatement Throw(Type exception, string arg, string inner) {
return new CodeThrowExceptionStatement(New(exception, new CodeExpression[] {Str(Res.GetString(arg)), Variable(inner)}));
}
// -------------------- If: ----------------------------
private static CodeStatement If(CodeExpression cond, CodeStatement[] trueStms, CodeStatement[] falseStms) {
return new CodeConditionStatement(cond, trueStms, falseStms);
}
private static CodeStatement If( CodeExpression cond, CodeStatement[] trueStms ) {return new CodeConditionStatement(cond, trueStms);}
private static CodeStatement If( CodeExpression cond, CodeStatement trueStm ) {return If( cond, new CodeStatement[] {trueStm });}
// -------------------- Declarations: ----------------------------
private static CodeMemberField FieldDecl(String type, String name) {return new CodeMemberField(type, name);}
private static CodeMemberField FieldDecl(Type type, String name) {return new CodeMemberField(type, name);}
private static CodeMemberMethod Method(CodeTypeReference type, String name, MemberAttributes attributes) {
CodeMemberMethod method = new CodeMemberMethod(); {
method.ReturnType = type;
method.Name = name;
method.Attributes = attributes;
}
return method;
}
private static CodeMemberMethod MethodDecl(Type type, String name, MemberAttributes attributes) {return Method(Type(type), name, attributes);}
private static CodeMemberMethod MethodDecl(String type, String name, MemberAttributes attributes) {return Method(Type(type), name, attributes);}
private static CodeMemberProperty PropertyDecl(String type, String name, MemberAttributes attributes) {
CodeMemberProperty property = new CodeMemberProperty(); {
property.Type = Type(type);
property.Name = name;
property.Attributes = attributes;
}
return property;
}
private static CodeMemberProperty PropertyDecl(Type type, String name, MemberAttributes attributes) {
CodeMemberProperty property = new CodeMemberProperty(); {
property.Type = Type(type);
property.Name = name;
property.Attributes = attributes;
}
return property;
}
private static CodeStatement VariableDecl(Type type, String name) { return new CodeVariableDeclarationStatement(type, name); }
private static CodeStatement VariableDecl(String type, String name, CodeExpression initExpr) { return new CodeVariableDeclarationStatement(type, name, initExpr); }
private static CodeStatement VariableDecl(Type type, String name, CodeExpression initExpr) { return new CodeVariableDeclarationStatement(type, name, initExpr); }
private static CodeMemberEvent EventDecl(String type, String name) {
CodeMemberEvent anEvent = new CodeMemberEvent(); {
anEvent.Name = name;
anEvent.Type = Type(type);
anEvent.Attributes = MemberAttributes.Public | MemberAttributes.Final;
}
return anEvent;
}
private static CodeParameterDeclarationExpression ParameterDecl(string type, string name) { return new CodeParameterDeclarationExpression(type, name);}
private static CodeParameterDeclarationExpression ParameterDecl(Type type, string name) { return new CodeParameterDeclarationExpression(type, name);}
private static CodeAttributeDeclaration AttributeDecl(string name) {
return new CodeAttributeDeclaration(name);
}
private static CodeAttributeDeclaration AttributeDecl(string name, CodeExpression value) {
return new CodeAttributeDeclaration(name, new CodeAttributeArgument[] { new CodeAttributeArgument(value) });
}
// -------------------- Try/Catch ---------------------------
//\\ try {}
private static CodeStatement Try(CodeStatement tryStmnt, CodeCatchClause catchClause) {
return new CodeTryCatchFinallyStatement(
new CodeStatement[] {tryStmnt},
new CodeCatchClause[] {catchClause}
);
}
//\\ catch( ) {}
private static CodeCatchClause Catch(Type type, string name, CodeStatement catchStmnt) {
CodeCatchClause ccc = new CodeCatchClause();
ccc.CatchExceptionType = Type(type);
ccc.LocalName = name;
ccc.Statements.Add(catchStmnt);
return ccc;
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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