Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / Designer / System / data / design / DatasetMethodGenerator.cs / 4 / DatasetMethodGenerator.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All Rights Reserved.
// Information Contained Herein is Proprietary and Confidential.
//
//-----------------------------------------------------------------------------
namespace System.Data.Design {
using System;
using System.CodeDom;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.Common;
using System.Xml;
using System.Xml.Schema;
using System.Xml.Serialization;
internal sealed class DatasetMethodGenerator {
private TypedDataSourceCodeGenerator codeGenerator = null;
private DesignDataSource dataSource = null;
private DataSet dataSet = null;
private CodeMemberMethod initExpressionsMethod = null;
private static PropertyDescriptor namespaceProperty = TypeDescriptor.GetProperties(typeof(DataSet))["Namespace"];
private static PropertyDescriptor localeProperty = TypeDescriptor.GetProperties(typeof(DataSet))["Locale"];
private static PropertyDescriptor caseSensitiveProperty = TypeDescriptor.GetProperties(typeof(DataSet))["CaseSensitive"];
internal DatasetMethodGenerator(TypedDataSourceCodeGenerator codeGenerator, DesignDataSource dataSource) {
this.codeGenerator = codeGenerator;
this.dataSource = dataSource;
this.dataSet = dataSource.DataSet;
}
internal void AddMethods(CodeTypeDeclaration dataSourceClass) {
AddSchemaSerializationModeMembers(dataSourceClass);
initExpressionsMethod = InitExpressionsMethod();
dataSourceClass.Members.Add(PublicConstructor());
dataSourceClass.Members.Add( DeserializingConstructor() );
dataSourceClass.Members.Add( InitializeDerivedDataSet() );
dataSourceClass.Members.Add( CloneMethod(initExpressionsMethod) );
dataSourceClass.Members.Add( ShouldSerializeTablesMethod() );
dataSourceClass.Members.Add( ShouldSerializeRelationsMethod() );
dataSourceClass.Members.Add( ReadXmlSerializableMethod() );
dataSourceClass.Members.Add( GetSchemaSerializableMethod() );
dataSourceClass.Members.Add( InitVarsParamLess() );
CodeMemberMethod initClassMethod = null;
CodeMemberMethod initVarsMethod = null;
InitClassAndInitVarsMethods(out initClassMethod, out initVarsMethod);
dataSourceClass.Members.Add( initVarsMethod );
dataSourceClass.Members.Add( initClassMethod );
AddShouldSerializeSingleTableMethods(dataSourceClass);
dataSourceClass.Members.Add( SchemaChangedMethod() );
dataSourceClass.Members.Add( GetTypedDataSetSchema() );
dataSourceClass.Members.Add( TablesProperty() );
dataSourceClass.Members.Add( RelationsProperty() );
if (initExpressionsMethod != null) {
dataSourceClass.Members.Add(initExpressionsMethod);
}
}
private void AddSchemaSerializationModeMembers(CodeTypeDeclaration dataSourceClass) {
CodeMemberField schemaSerializationModeField = CodeGenHelper.FieldDecl(
CodeGenHelper.GlobalType(typeof(System.Data.SchemaSerializationMode)),
"_schemaSerializationMode",
CodeGenHelper.Field(
CodeGenHelper.GlobalTypeExpr(typeof(System.Data.SchemaSerializationMode)),
this.dataSource.SchemaSerializationMode.ToString()
)
);
dataSourceClass.Members.Add(schemaSerializationModeField);
CodeMemberProperty schemaSerializationModeProperty = CodeGenHelper.PropertyDecl(
CodeGenHelper.GlobalType(typeof(System.Data.SchemaSerializationMode)),
"SchemaSerializationMode",
MemberAttributes.Public | MemberAttributes.Override
);
schemaSerializationModeProperty.CustomAttributes.Add(
CodeGenHelper.AttributeDecl(typeof(System.ComponentModel.BrowsableAttribute).FullName, CodeGenHelper.Primitive(true))
);
schemaSerializationModeProperty.CustomAttributes.Add(
CodeGenHelper.AttributeDecl(
typeof(System.ComponentModel.DesignerSerializationVisibilityAttribute).FullName,
CodeGenHelper.Field(CodeGenHelper.GlobalTypeExpr(typeof(DesignerSerializationVisibility)), "Visible")
)
);
schemaSerializationModeProperty.GetStatements.Add(
CodeGenHelper.Return(CodeGenHelper.Field(CodeGenHelper.This(), "_schemaSerializationMode"))
);
schemaSerializationModeProperty.SetStatements.Add(
CodeGenHelper.Assign(
CodeGenHelper.Field(CodeGenHelper.This(), "_schemaSerializationMode"),
CodeGenHelper.Argument("value")
)
);
dataSourceClass.Members.Add(schemaSerializationModeProperty);
}
private CodeConstructor PublicConstructor() {
CodeConstructor constructor = CodeGenHelper.Constructor(MemberAttributes.Public);
constructor.Statements.Add(CodeGenHelper.MethodCall(CodeGenHelper.This(), "BeginInit"));
constructor.Statements.Add(CodeGenHelper.MethodCall(CodeGenHelper.This(), "InitClass"));
constructor.Statements.Add(CodeGenHelper.VariableDecl(
CodeGenHelper.GlobalType(typeof(CollectionChangeEventHandler)),
"schemaChangedHandler",
new CodeDelegateCreateExpression(
CodeGenHelper.GlobalType(typeof(CollectionChangeEventHandler)),
CodeGenHelper.This(),
"SchemaChanged")));
constructor.Statements.Add(new System.CodeDom.CodeAttachEventStatement(
new CodeEventReferenceExpression(
CodeGenHelper.Property(CodeGenHelper.Base(),"Tables"),
"CollectionChanged"),
CodeGenHelper.Variable("schemaChangedHandler")));
constructor.Statements.Add(new System.CodeDom.CodeAttachEventStatement(
new CodeEventReferenceExpression(
CodeGenHelper.Property(CodeGenHelper.Base(),"Relations"),
"CollectionChanged"),
CodeGenHelper.Variable("schemaChangedHandler")));
constructor.Statements.Add(CodeGenHelper.MethodCall(CodeGenHelper.This(), "EndInit"));
//\\ this.InitExpressions();
// needs to be called after EndInit to ensure expressions with related tables are initialized correctly
if (initExpressionsMethod != null) {
constructor.Statements.Add(CodeGenHelper.MethodCall(CodeGenHelper.This(), "InitExpressions"));
}
return constructor;
}
private CodeConstructor DeserializingConstructor() {
//\\ protected NorthwindDataSet(SerializationInfo info, StreamingContext context) : base(info, context, false) {
//\\ if ((this.IsBinarySerialized(info, context) == true)) {
//\\ this.InitVars(false);
//\\ System.ComponentModel.CollectionChangeEventHandler schemaChangedHandler1 = new System.ComponentModel.CollectionChangeEventHandler(this.SchemaChanged);
//\\ this.Tables.CollectionChanged += schemaChangedHandler1;
//\\ this.Relations.CollectionChanged += schemaChangedHandler1;
//\\ return;
//\\ }
//\\ string strSchema = ((string)(info.GetValue("XmlSchema", typeof(string))));
//\\ if(DetermineSchemaSerializationMode(info, context) == SchemaSerializationMode.SerializeSchema) {
//\\ System.Data.DataSet ds = new System.Data.DataSet();
//\\ ds.EnforceConstraints = false;
//\\ ds.ReadXmlSchema(new System.Xml.XmlTextReader(new System.IO.StringReader(strSchema)));
//\\ if ((ds.Tables["Categories"] != null)) {
//\\ base.Tables.Add(new CategoriesDataTable(ds.Tables["Categories"]));
//\\ }
//\\ this.DataSetName = ds.DataSetName;
//\\ this.Prefix = ds.Prefix;
//\\ this.Namespace = ds.Namespace;
//\\ this.Locale = ds.Locale;
//\\ this.CaseSensitive = ds.CaseSensitive;
//\\ this.EnforceConstraints = ds.EnforceConstraints;
//\\ this.Merge(ds, false, System.Data.MissingSchemaAction.Add);
//\\ this.InitVars();
//\\ }
//\\ else {
//\\ this.ReadXmlSchema(new System.Xml.XmlTextReader(new System.IO.StringReader(strSchema)));
//\\ }
//\\
//\\ this.GetSerializationData(info, context);
//\\ System.ComponentModel.CollectionChangeEventHandler schemaChangedHandler = new System.ComponentModel.CollectionChangeEventHandler(this.SchemaChanged);
//\\ base.Tables.CollectionChanged += schemaChangedHandler;
//\\ this.Relations.CollectionChanged += schemaChangedHandler;
//\\ }
CodeConstructor constructor = CodeGenHelper.Constructor(MemberAttributes.Family);
constructor.Parameters.Add(CodeGenHelper.ParameterDecl(CodeGenHelper.GlobalType(typeof(System.Runtime.Serialization.SerializationInfo)), "info"));
constructor.Parameters.Add(CodeGenHelper.ParameterDecl(CodeGenHelper.GlobalType(typeof(System.Runtime.Serialization.StreamingContext)) , "context"));
constructor.BaseConstructorArgs.AddRange(new CodeExpression[] { CodeGenHelper.Argument("info"), CodeGenHelper.Argument("context"), CodeGenHelper.Primitive(false) });
constructor.Statements.Add(
CodeGenHelper.If(
CodeGenHelper.EQ(
CodeGenHelper.MethodCall(
CodeGenHelper.This(),
"IsBinarySerialized",
new CodeExpression[] { CodeGenHelper.Argument("info"), CodeGenHelper.Argument("context") }
),
CodeGenHelper.Primitive(true)),
new CodeStatement[] {
CodeGenHelper.Stm(CodeGenHelper.MethodCall(CodeGenHelper.This(),"InitVars", CodeGenHelper.Primitive(false))),
CodeGenHelper.VariableDecl(
CodeGenHelper.GlobalType(typeof(CollectionChangeEventHandler)),
"schemaChangedHandler1",
new CodeDelegateCreateExpression(
CodeGenHelper.GlobalType(typeof(CollectionChangeEventHandler)),
CodeGenHelper.This(),
"SchemaChanged"
)
),
new System.CodeDom.CodeAttachEventStatement(
new CodeEventReferenceExpression(
CodeGenHelper.Property(CodeGenHelper.This(), "Tables"),
"CollectionChanged"
),
CodeGenHelper.Variable("schemaChangedHandler1")
) ,
new System.CodeDom.CodeAttachEventStatement(
new CodeEventReferenceExpression(
CodeGenHelper.Property(CodeGenHelper.This(), "Relations"),
"CollectionChanged"
),
CodeGenHelper.Variable("schemaChangedHandler1")
),
CodeGenHelper.Return()
}
)
);
constructor.Statements.Add(
CodeGenHelper.VariableDecl(CodeGenHelper.GlobalType(typeof(System.String)), "strSchema",
CodeGenHelper.Cast(CodeGenHelper.GlobalType(typeof(System.String)), CodeGenHelper.MethodCall(
CodeGenHelper.Argument("info"),
"GetValue",
new CodeExpression[] {
CodeGenHelper.Str("XmlSchema"),
CodeGenHelper.TypeOf(CodeGenHelper.GlobalType(typeof(System.String)))
} ))));
ArrayList schemaBodySerializeSchema = new ArrayList();
ArrayList schemaBodyDontSerializeSchema = new ArrayList();
schemaBodySerializeSchema.Add(CodeGenHelper.VariableDecl(
CodeGenHelper.GlobalType(typeof(System.Data.DataSet)),
"ds",
CodeGenHelper.New(CodeGenHelper.GlobalType(typeof(System.Data.DataSet)), new CodeExpression[] {})));
schemaBodySerializeSchema.Add(CodeGenHelper.Stm(
CodeGenHelper.MethodCall(
CodeGenHelper.Variable("ds"),
"ReadXmlSchema",
new CodeExpression[] {
CodeGenHelper.New(CodeGenHelper.GlobalType(typeof(System.Xml.XmlTextReader)),
new CodeExpression[] {
CodeGenHelper.New(
CodeGenHelper.GlobalType(typeof(System.IO.StringReader)),
new CodeExpression[] {
CodeGenHelper.Variable("strSchema")
})
})
})));
foreach(DesignTable table in codeGenerator.TableHandler.Tables) {
//\\ this.Tables.Add(new (""));
schemaBodySerializeSchema.Add(
CodeGenHelper.If(
CodeGenHelper.IdNotEQ(
CodeGenHelper.Indexer(
CodeGenHelper.Property(CodeGenHelper.Variable("ds"),"Tables"),
CodeGenHelper.Str(table.Name)),
CodeGenHelper.Primitive(null)),
CodeGenHelper.Stm(
CodeGenHelper.MethodCall(
CodeGenHelper.Property(CodeGenHelper.Base(), "Tables"),
"Add",
CodeGenHelper.New(
CodeGenHelper.Type(table.GeneratorTableClassName),
new CodeExpression[] {
CodeGenHelper.Indexer(
CodeGenHelper.Property(CodeGenHelper.Variable("ds"),"Tables"),
CodeGenHelper.Str(table.Name))
}
)
)
)
)
);
}
schemaBodySerializeSchema.Add(
CodeGenHelper.Assign(
CodeGenHelper.Property(CodeGenHelper.This(), "DataSetName"),
CodeGenHelper.Property(CodeGenHelper.Variable("ds"),"DataSetName")
)
);
schemaBodySerializeSchema.Add(
CodeGenHelper.Assign(
CodeGenHelper.Property(CodeGenHelper.This(), "Prefix"),
CodeGenHelper.Property(CodeGenHelper.Variable("ds"),"Prefix")
)
);
schemaBodySerializeSchema.Add(
CodeGenHelper.Assign(
CodeGenHelper.Property(CodeGenHelper.This(), "Namespace"),
CodeGenHelper.Property(CodeGenHelper.Variable("ds"),"Namespace")
)
);
schemaBodySerializeSchema.Add(
CodeGenHelper.Assign(
CodeGenHelper.Property(CodeGenHelper.This(), "Locale"),
CodeGenHelper.Property(CodeGenHelper.Variable("ds"),"Locale")
)
);
schemaBodySerializeSchema.Add(
CodeGenHelper.Assign(
CodeGenHelper.Property(CodeGenHelper.This(), "CaseSensitive"),
CodeGenHelper.Property(CodeGenHelper.Variable("ds"),"CaseSensitive")
)
);
schemaBodySerializeSchema.Add(
CodeGenHelper.Assign(
CodeGenHelper.Property(CodeGenHelper.This(), "EnforceConstraints"),
CodeGenHelper.Property(CodeGenHelper.Variable("ds"),"EnforceConstraints")
)
);
schemaBodySerializeSchema.Add(
CodeGenHelper.Stm(
CodeGenHelper.MethodCall(
CodeGenHelper.This(),
"Merge",
new CodeExpression[] {
CodeGenHelper.Variable("ds"),
CodeGenHelper.Primitive(false),
CodeGenHelper.Field(CodeGenHelper.GlobalTypeExpr(typeof(MissingSchemaAction)),"Add")
}
)
)
);
schemaBodySerializeSchema.Add(
CodeGenHelper.Stm(
CodeGenHelper.MethodCall(CodeGenHelper.This(),"InitVars")
)
);
schemaBodyDontSerializeSchema.Add(
CodeGenHelper.Stm(
CodeGenHelper.MethodCall(
CodeGenHelper.This(),
"ReadXmlSchema",
new CodeExpression[] {
CodeGenHelper.New(
CodeGenHelper.GlobalType(typeof(System.Xml.XmlTextReader)),
new CodeExpression[] {
CodeGenHelper.New(
CodeGenHelper.GlobalType(typeof(System.IO.StringReader)),
new CodeExpression[] { CodeGenHelper.Variable("strSchema") }
)
}
)
}
)
)
);
if (initExpressionsMethod != null) {
schemaBodyDontSerializeSchema.Add(CodeGenHelper.Stm(CodeGenHelper.MethodCall(CodeGenHelper.This(), "InitExpressions")));
}
constructor.Statements.Add(
CodeGenHelper.If(
CodeGenHelper.EQ(
CodeGenHelper.MethodCall(
CodeGenHelper.This(),
"DetermineSchemaSerializationMode",
new CodeExpression[] { CodeGenHelper.Argument("info"), CodeGenHelper.Argument("context") }
),
CodeGenHelper.Field(
CodeGenHelper.GlobalTypeExpr(typeof(System.Data.SchemaSerializationMode)),
"IncludeSchema"
)
),
(CodeStatement[])schemaBodySerializeSchema.ToArray(typeof(CodeStatement)),
(CodeStatement[])schemaBodyDontSerializeSchema.ToArray(typeof(CodeStatement))
)
);
constructor.Statements.Add(
CodeGenHelper.MethodCall(
CodeGenHelper.This(),
"GetSerializationData",
new CodeExpression [] {
CodeGenHelper.Argument("info"),
CodeGenHelper.Argument("context")
}
)
);
constructor.Statements.Add(
CodeGenHelper.VariableDecl(
CodeGenHelper.GlobalType(typeof(CollectionChangeEventHandler)),
"schemaChangedHandler",
new CodeDelegateCreateExpression(
CodeGenHelper.GlobalType(
typeof(CollectionChangeEventHandler)
),
CodeGenHelper.This(),
"SchemaChanged"
)
)
);
constructor.Statements.Add(
new System.CodeDom.CodeAttachEventStatement(
new CodeEventReferenceExpression(
CodeGenHelper.Property(CodeGenHelper.Base(),"Tables"),
"CollectionChanged"
),
CodeGenHelper.Variable("schemaChangedHandler")
)
);
constructor.Statements.Add(
new System.CodeDom.CodeAttachEventStatement(
new CodeEventReferenceExpression(
CodeGenHelper.Property(CodeGenHelper.This(),"Relations"),
"CollectionChanged"
),
CodeGenHelper.Variable("schemaChangedHandler")
)
);
return constructor;
}
private CodeMemberMethod InitializeDerivedDataSet() {
//\\ protected override void InitializeDerivedDataSet(){
//\\ this.BeginInit();
//\\ this.InitClass();
//\\ this.EndInit();
//\\ }
CodeMemberMethod initMethod = CodeGenHelper.MethodDecl(
CodeGenHelper.GlobalType(typeof(void)),
"InitializeDerivedDataSet",
MemberAttributes.Family | MemberAttributes.Override
);
initMethod.Statements.Add(CodeGenHelper.MethodCall(CodeGenHelper.This(), "BeginInit"));
initMethod.Statements.Add(CodeGenHelper.MethodCall(CodeGenHelper.This(), "InitClass"));
initMethod.Statements.Add(CodeGenHelper.MethodCall(CodeGenHelper.This(), "EndInit"));
return initMethod;
}
private CodeMemberMethod CloneMethod(CodeMemberMethod initExpressionsMethod) {
//\\ public override DataSet Clone() {
//\\ cln = ()base.Clone();
//\\ cln.InitVars();
//\\ cln.InitExpressions();
//\\ cln.SchemaSerializationMode = this.SchemaSerializationMode();
//\\ return cln;
//\\ }
CodeMemberMethod clone = CodeGenHelper.MethodDecl(CodeGenHelper.GlobalType(typeof(System.Data.DataSet)), "Clone", MemberAttributes.Public | MemberAttributes.Override);
clone.Statements.Add(
CodeGenHelper.VariableDecl(
CodeGenHelper.Type(codeGenerator.DataSourceName),
"cln",
CodeGenHelper.Cast(
CodeGenHelper.Type(codeGenerator.DataSourceName),
CodeGenHelper.MethodCall(CodeGenHelper.Base(), "Clone", new CodeExpression[] {})
)
)
);
clone.Statements.Add(CodeGenHelper.MethodCall(CodeGenHelper.Variable("cln"), "InitVars", new CodeExpression [] {}));
if (initExpressionsMethod != null) {
clone.Statements.Add(CodeGenHelper.MethodCall(CodeGenHelper.Variable("cln"), "InitExpressions", new CodeExpression[] { }));
}
clone.Statements.Add(
CodeGenHelper.Assign(
CodeGenHelper.Property(CodeGenHelper.Variable("cln"), "SchemaSerializationMode"),
CodeGenHelper.Property(CodeGenHelper.This(), "SchemaSerializationMode")
)
);
clone.Statements.Add(CodeGenHelper.Return(CodeGenHelper.Variable("cln")));
return clone;
}
private CodeMemberMethod ShouldSerializeTablesMethod() {
//\\ protected override bool ShouldSerializeTables() {
//\\ return false;
//\\ }
CodeMemberMethod shouldSerializeTables = CodeGenHelper.MethodDecl(CodeGenHelper.GlobalType(typeof(System.Boolean)), "ShouldSerializeTables", MemberAttributes.Family | MemberAttributes.Override);
shouldSerializeTables.Statements.Add(CodeGenHelper.Return(CodeGenHelper.Primitive(false)));
return shouldSerializeTables;
}
private CodeMemberMethod ShouldSerializeRelationsMethod() {
//\\ protected override bool ShouldSerializeRelations() {
//\\ return false;
//\\ }
CodeMemberMethod shouldSerializeRelations = CodeGenHelper.MethodDecl(CodeGenHelper.GlobalType(typeof(System.Boolean)), "ShouldSerializeRelations", MemberAttributes.Family | MemberAttributes.Override);
shouldSerializeRelations.Statements.Add(CodeGenHelper.Return(CodeGenHelper.Primitive(false)));
return shouldSerializeRelations;
}
private CodeMemberMethod ReadXmlSerializableMethod() {
//\\ protected override void ReadXmlSerializable(XmlReader reader) {
//\\ if (GetSchemaSerializationMode(reader) == System.Data.SchemaSerializationMode.IncludeSchema) {
//\\ this.Reset();
//\\ System.Data.DataSet ds = new System.Data.DataSet();
//\\ ds.ReadXml(reader);
//\\ if ((ds.Tables["Categories"] != null)) {
//\\ base.Tables.Add(new CategoriesDataTable(ds.Tables["Categories"]));
//\\ }
//\\ this.DataSetName = ds.DataSetName;
//\\ this.Prefix = ds.Prefix;
//\\ this.Namespace = ds.Namespace;
//\\ this.Locale = ds.Locale;
//\\ this.CaseSensitive = ds.CaseSensitive;
//\\ this.EnforceConstraints = ds.EnforceConstraints;
//\\ this.Merge(ds, false, System.Data.MissingSchemaAction.Add);
//\\ this.InitVars();
//\\ }
//\\ else {
//\\ this.ReadXml(reader);
//\\ this.InitVars();
//\\ return;
//\\ }
//\\ }
CodeMemberMethod readXmlSerializable = CodeGenHelper.MethodDecl(CodeGenHelper.GlobalType(typeof(void)), "ReadXmlSerializable", MemberAttributes.Family | MemberAttributes.Override);
readXmlSerializable.Parameters.Add(CodeGenHelper.ParameterDecl(CodeGenHelper.GlobalType(typeof(System.Xml.XmlReader)), "reader"));
ArrayList includeSchemaStatements = new ArrayList();
ArrayList excludeSchemaStatements = new ArrayList();
includeSchemaStatements.Add(CodeGenHelper.Stm(CodeGenHelper.MethodCall(CodeGenHelper.This(), "Reset", new CodeExpression[] { })));
includeSchemaStatements.Add(CodeGenHelper.VariableDecl(CodeGenHelper.GlobalType(typeof(System.Data.DataSet)), "ds", CodeGenHelper.New(CodeGenHelper.GlobalType(typeof(System.Data.DataSet)), new CodeExpression[] { })));
includeSchemaStatements.Add(
CodeGenHelper.Stm(CodeGenHelper.MethodCall(
CodeGenHelper.Variable("ds"),
"ReadXml",
new CodeExpression [] { CodeGenHelper.Argument("reader") }
))
);
foreach(DesignTable table in codeGenerator.TableHandler.Tables) {
//\\ this.Tables.Add(new (""));
includeSchemaStatements.Add(
CodeGenHelper.If(
CodeGenHelper.IdNotEQ(
CodeGenHelper.Indexer(
CodeGenHelper.Property(CodeGenHelper.Variable("ds"),"Tables"),
CodeGenHelper.Str(table.Name)
),
CodeGenHelper.Primitive(null)
),
CodeGenHelper.Stm(
CodeGenHelper.MethodCall(
CodeGenHelper.Property(CodeGenHelper.Base(), "Tables"),
"Add",
CodeGenHelper.New(
CodeGenHelper.Type(table.GeneratorTableClassName),
new CodeExpression[] {
CodeGenHelper.Indexer(
CodeGenHelper.Property(CodeGenHelper.Variable("ds"),"Tables"),
CodeGenHelper.Str(table.Name)
)
}
)
)
)
) // If
);
}
includeSchemaStatements.Add(CodeGenHelper.Assign(CodeGenHelper.Property(CodeGenHelper.This(), "DataSetName"), CodeGenHelper.Property(CodeGenHelper.Variable("ds"), "DataSetName")));
includeSchemaStatements.Add(CodeGenHelper.Assign(CodeGenHelper.Property(CodeGenHelper.This(), "Prefix"), CodeGenHelper.Property(CodeGenHelper.Variable("ds"), "Prefix")));
includeSchemaStatements.Add(CodeGenHelper.Assign(CodeGenHelper.Property(CodeGenHelper.This(), "Namespace"), CodeGenHelper.Property(CodeGenHelper.Variable("ds"), "Namespace")));
includeSchemaStatements.Add(CodeGenHelper.Assign(CodeGenHelper.Property(CodeGenHelper.This(), "Locale"), CodeGenHelper.Property(CodeGenHelper.Variable("ds"), "Locale")));
includeSchemaStatements.Add(CodeGenHelper.Assign(CodeGenHelper.Property(CodeGenHelper.This(), "CaseSensitive"), CodeGenHelper.Property(CodeGenHelper.Variable("ds"), "CaseSensitive")));
includeSchemaStatements.Add(CodeGenHelper.Assign(CodeGenHelper.Property(CodeGenHelper.This(), "EnforceConstraints"), CodeGenHelper.Property(CodeGenHelper.Variable("ds"), "EnforceConstraints")));
includeSchemaStatements.Add(
CodeGenHelper.Stm(CodeGenHelper.MethodCall(
CodeGenHelper.This(),
"Merge",
new CodeExpression[] {
CodeGenHelper.Variable("ds"),
CodeGenHelper.Primitive(false),
CodeGenHelper.Field(CodeGenHelper.GlobalTypeExpr(typeof(MissingSchemaAction)), "Add")
}
))
);
includeSchemaStatements.Add(CodeGenHelper.Stm(CodeGenHelper.MethodCall(CodeGenHelper.This(), "InitVars")));
excludeSchemaStatements.Add(CodeGenHelper.Stm(CodeGenHelper.MethodCall(CodeGenHelper.This(), "ReadXml", new CodeExpression[] { CodeGenHelper.Argument("reader") })));
excludeSchemaStatements.Add(CodeGenHelper.Stm(CodeGenHelper.MethodCall(CodeGenHelper.This(), "InitVars")));
readXmlSerializable.Statements.Add(
CodeGenHelper.If(
CodeGenHelper.EQ(
CodeGenHelper.MethodCall(
CodeGenHelper.This(),
"DetermineSchemaSerializationMode",
new CodeExpression[] { CodeGenHelper.Argument("reader") }
),
CodeGenHelper.Field(
CodeGenHelper.GlobalTypeExpr(typeof(System.Data.SchemaSerializationMode)),
"IncludeSchema"
)
),
(CodeStatement[])includeSchemaStatements.ToArray(typeof(CodeStatement)),
(CodeStatement[])excludeSchemaStatements.ToArray(typeof(CodeStatement))
)
);
return readXmlSerializable;
}
private CodeMemberMethod GetSchemaSerializableMethod() {
//\\ 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 = CodeGenHelper.MethodDecl(CodeGenHelper.GlobalType(typeof(System.Xml.Schema.XmlSchema)), "GetSchemaSerializable", MemberAttributes.Family | MemberAttributes.Override);
getSchemaSerializable.Statements.Add(CodeGenHelper.VariableDecl(CodeGenHelper.GlobalType(typeof(System.IO.MemoryStream)), "stream", CodeGenHelper.New(CodeGenHelper.GlobalType(typeof(System.IO.MemoryStream)),new CodeExpression[] {})));
getSchemaSerializable.Statements.Add(
CodeGenHelper.MethodCall(
CodeGenHelper.This(),
"WriteXmlSchema",
CodeGenHelper.New(
CodeGenHelper.GlobalType(typeof(System.Xml.XmlTextWriter)),
new CodeExpression[] {
CodeGenHelper.Argument("stream"),
CodeGenHelper.Primitive(null)
}
)
)
);
getSchemaSerializable.Statements.Add(CodeGenHelper.Assign(CodeGenHelper.Property(CodeGenHelper.Argument("stream"), "Position"), CodeGenHelper.Primitive(0)));
getSchemaSerializable.Statements.Add(
CodeGenHelper.Return(
CodeGenHelper.MethodCall(
CodeGenHelper.GlobalTypeExpr(typeof(System.Xml.Schema.XmlSchema)),
"Read",
new CodeExpression[] {
CodeGenHelper.New(
CodeGenHelper.GlobalType(typeof(System.Xml.XmlTextReader)),
new CodeExpression[] {CodeGenHelper.Argument("stream")}
),
CodeGenHelper.Primitive(null)
}
)
)
);
return getSchemaSerializable;
}
private CodeMemberMethod InitVarsParamLess() {
//\\ public void InitVars() {
//\\ InitVars(true);
//\\ }
CodeMemberMethod initVarsMethod = CodeGenHelper.MethodDecl(CodeGenHelper.GlobalType(typeof(void)), "InitVars", MemberAttributes.Assembly | MemberAttributes.Final);
initVarsMethod.Statements.Add(
CodeGenHelper.MethodCall(CodeGenHelper.This(), "InitVars", new CodeExpression[] { CodeGenHelper.Primitive(true) })
);
return initVarsMethod;
}
private void InitClassAndInitVarsMethods(out CodeMemberMethod initClassMethod, out CodeMemberMethod initVarsMethod) {
//\\ private void InitClass()
initClassMethod = CodeGenHelper.MethodDecl(CodeGenHelper.GlobalType(typeof(void)), "InitClass", MemberAttributes.Private);
//\\ public void InitVars(bool initTable)
initVarsMethod = CodeGenHelper.MethodDecl(CodeGenHelper.GlobalType(typeof(void)), "InitVars", MemberAttributes.Assembly | MemberAttributes.Final);
initVarsMethod.Parameters.Add(CodeGenHelper.ParameterDecl(CodeGenHelper.GlobalType(typeof(Boolean)), "initTable"));
//\\ this.DataSetName = ""
initClassMethod.Statements.Add(CodeGenHelper.Assign(CodeGenHelper.Property(CodeGenHelper.This(), "DataSetName"), CodeGenHelper.Str(dataSet.DataSetName)));
//\\ this.Prefix = ""
initClassMethod.Statements.Add(CodeGenHelper.Assign(CodeGenHelper.Property(CodeGenHelper.This(), "Prefix"), CodeGenHelper.Str(dataSet.Prefix)));
if(namespaceProperty.ShouldSerializeValue(dataSet)) {
//\\ this.Namespace = ""
initClassMethod.Statements.Add(CodeGenHelper.Assign(CodeGenHelper.Property(CodeGenHelper.This(), "Namespace"), CodeGenHelper.Str(dataSet.Namespace)));
}
if(localeProperty.ShouldSerializeValue(dataSet)) {
//\\ this.Locale = new System.Globalization.CultureInfo("dataSet.");
initClassMethod.Statements.Add(CodeGenHelper.Assign(CodeGenHelper.Property(CodeGenHelper.This(), "Locale"), CodeGenHelper.New(CodeGenHelper.GlobalType(typeof(System.Globalization.CultureInfo)),new CodeExpression[] {CodeGenHelper.Str(dataSet.Locale.ToString())})));
}
if (caseSensitiveProperty.ShouldSerializeValue(dataSet)) {
//\\ this.CaseSensitive = ;
initClassMethod.Statements.Add(CodeGenHelper.Assign(CodeGenHelper.Property(CodeGenHelper.This(), "CaseSensitive"), CodeGenHelper.Primitive(dataSet.CaseSensitive)));
}
//\\ this.EnforceConstraints = ;
initClassMethod.Statements.Add(CodeGenHelper.Assign(CodeGenHelper.Property(CodeGenHelper.This(), "EnforceConstraints"), CodeGenHelper.Primitive(dataSet.EnforceConstraints)));
//\\ this.SchemaSerializationMode = ;
initClassMethod.Statements.Add(
CodeGenHelper.Assign(
CodeGenHelper.Property(CodeGenHelper.This(), "SchemaSerializationMode"),
CodeGenHelper.Field(
CodeGenHelper.GlobalTypeExpr(typeof(System.Data.SchemaSerializationMode)),
this.dataSource.SchemaSerializationMode.ToString()
)
)
);
// add statements to initialize tables
foreach(DesignTable table in codeGenerator.TableHandler.Tables) {
CodeExpression fieldTable = CodeGenHelper.Field(CodeGenHelper.This(), table.GeneratorTableVarName);
if (TableContainsExpressions(table)) {
//\\ = new (false);
initClassMethod.Statements.Add(CodeGenHelper.Assign(fieldTable, CodeGenHelper.New(CodeGenHelper.Type(table.GeneratorTableClassName), new CodeExpression[] { CodeGenHelper.Primitive(false) })));
}
else {
//\\ = new ();
initClassMethod.Statements.Add(CodeGenHelper.Assign(fieldTable, CodeGenHelper.New(CodeGenHelper.Type(table.GeneratorTableClassName), new CodeExpression[] { })));
}
//\\ this.Tables.Add(this.);
initClassMethod.Statements.Add(CodeGenHelper.MethodCall(CodeGenHelper.Property(CodeGenHelper.Base(), "Tables"), "Add", fieldTable));
//\\ this.table = ()this.Tables[""];
//\\ if (this.table != null)
//\\ this.table.InitVars();
initVarsMethod.Statements.Add(
CodeGenHelper.Assign(
fieldTable,
CodeGenHelper.Cast(
CodeGenHelper.Type(table.GeneratorTableClassName),
CodeGenHelper.Indexer(
CodeGenHelper.Property(CodeGenHelper.Base(), "Tables"),
CodeGenHelper.Str(table.Name)
)
)
)
);
initVarsMethod.Statements.Add(
CodeGenHelper.If(
CodeGenHelper.EQ(CodeGenHelper.Variable("initTable"), CodeGenHelper.Primitive(true)),
new CodeStatement[] {
CodeGenHelper.If(
CodeGenHelper.IdNotEQ(fieldTable, CodeGenHelper.Primitive(null)),
CodeGenHelper.Stm(CodeGenHelper.MethodCall(fieldTable, "InitVars"))
)
}
)
);
}
/*----------- Add Constraints to the Tables -------------------------*/
CodeExpression varFkc = null;
foreach(DesignTable designTable in codeGenerator.TableHandler.Tables) {
DataTable table = designTable.DataTable;
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(CodeGenHelper.GlobalType(typeof(System.Data.DataColumn)), 0);
foreach(DataColumn c in fkc.Columns) {
childrenColumns.Initializers.Add(
CodeGenHelper.Property(
CodeGenHelper.Field(CodeGenHelper.This(), codeGenerator.TableHandler.Tables[c.Table.TableName].GeneratorTableVarName),
codeGenerator.TableHandler.Tables[c.Table.TableName].DesignColumns[c.ColumnName].GeneratorColumnPropNameInTable
)
);
}
CodeArrayCreateExpression parentColumns = new CodeArrayCreateExpression(CodeGenHelper.GlobalType(typeof(System.Data.DataColumn)), 0);
foreach(DataColumn c in fkc.RelatedColumns) {
parentColumns.Initializers.Add(
CodeGenHelper.Property(
CodeGenHelper.Field(CodeGenHelper.This(), codeGenerator.TableHandler.Tables[c.Table.TableName].GeneratorTableVarName),
codeGenerator.TableHandler.Tables[c.Table.TableName].DesignColumns[c.ColumnName].GeneratorColumnPropNameInTable
)
);
}
if (varFkc == null) {
initClassMethod.Statements.Add(CodeGenHelper.VariableDecl(CodeGenHelper.GlobalType(typeof(System.Data.ForeignKeyConstraint)), "fkc"));
varFkc = CodeGenHelper.Variable("fkc");
}
initClassMethod.Statements.Add(
CodeGenHelper.Assign(
varFkc,
CodeGenHelper.New(
CodeGenHelper.GlobalType(typeof(System.Data.ForeignKeyConstraint)),
new CodeExpression[]{CodeGenHelper.Str(fkc.ConstraintName), parentColumns, childrenColumns}
)
)
);
initClassMethod.Statements.Add(
CodeGenHelper.MethodCall(
CodeGenHelper.Property(
CodeGenHelper.Field(CodeGenHelper.This(), codeGenerator.TableHandler.Tables[table.TableName].GeneratorTableVarName),
"Constraints"
),
"Add",
varFkc
)
);
string acceptRejectRule = fkc.AcceptRejectRule.ToString();
string deleteRule = fkc.DeleteRule.ToString();
string updateRule = fkc.UpdateRule.ToString();
initClassMethod.Statements.Add(
CodeGenHelper.Assign(
CodeGenHelper.Property(varFkc, "AcceptRejectRule"),
CodeGenHelper.Field(
CodeGenHelper.GlobalTypeExpr(fkc.AcceptRejectRule.GetType()),
acceptRejectRule
)
)
);
initClassMethod.Statements.Add(
CodeGenHelper.Assign(
CodeGenHelper.Property(varFkc, "DeleteRule"),
CodeGenHelper.Field(
CodeGenHelper.GlobalTypeExpr(fkc.DeleteRule.GetType()),
deleteRule
)
)
);
initClassMethod.Statements.Add(
CodeGenHelper.Assign(
CodeGenHelper.Property(varFkc, "UpdateRule"),
CodeGenHelper.Field(
CodeGenHelper.GlobalTypeExpr(fkc.UpdateRule.GetType()),
updateRule
)
)
);
}
}
}
/*----------- Add Relations to the Dataset -------------------------*/
foreach(DesignRelation designRelation in codeGenerator.RelationHandler.Relations) {
//\\ this.relation= new DataRelation("",
//\\ new DataColumn[] {this.table.Column}, // parent columns
//\\ new DataColumn[] {this.table.Column}, // child columns
//\\ false // createConstraints
//\\ ));
DataRelation relation = designRelation.DataRelation;
if(relation == null) {
continue;
}
CodeArrayCreateExpression parentColCreate = new CodeArrayCreateExpression(CodeGenHelper.GlobalType(typeof(System.Data.DataColumn)), 0);
string parentTableField = designRelation.ParentDesignTable.GeneratorTableVarName;
foreach(DataColumn column in relation.ParentColumns) {
parentColCreate.Initializers.Add(
CodeGenHelper.Property(
CodeGenHelper.Field(CodeGenHelper.This(), parentTableField),
codeGenerator.TableHandler.Tables[column.Table.TableName].DesignColumns[column.ColumnName].GeneratorColumnPropNameInTable
)
);
}
CodeArrayCreateExpression childColCreate = new CodeArrayCreateExpression(CodeGenHelper.GlobalType(typeof(System.Data.DataColumn)), 0);
string childTableField = designRelation.ChildDesignTable.GeneratorTableVarName;
foreach(DataColumn column in relation.ChildColumns) {
childColCreate.Initializers.Add(
CodeGenHelper.Property(
CodeGenHelper.Field(CodeGenHelper.This(), childTableField),
codeGenerator.TableHandler.Tables[column.Table.TableName].DesignColumns[column.ColumnName].GeneratorColumnPropNameInTable
)
);
}
CodeExpression relationVarExpression = CodeGenHelper.Field(
CodeGenHelper.This(),
codeGenerator.RelationHandler.Relations[relation.RelationName].GeneratorRelationVarName
);
initClassMethod.Statements.Add(
CodeGenHelper.Assign(
relationVarExpression,
CodeGenHelper.New(
CodeGenHelper.GlobalType(typeof(System.Data.DataRelation)),
new CodeExpression[] {
CodeGenHelper.Str(relation.RelationName),
parentColCreate,
childColCreate,
CodeGenHelper.Primitive(false)
}
)
)
);
if (relation.Nested) {
//\\ this.relation.Nested = true;
initClassMethod.Statements.Add(
CodeGenHelper.Assign(
CodeGenHelper.Property(
relationVarExpression,
"Nested"
),
CodeGenHelper.Primitive(true)
)
);
}
// Add extended properties to the DataRelation
ExtendedPropertiesHandler.CodeGenerator = codeGenerator;
ExtendedPropertiesHandler.AddExtendedProperties(designRelation, relationVarExpression, initClassMethod.Statements, relation.ExtendedProperties);
//\\ this.Relations.Add(this.relation);
initClassMethod.Statements.Add(
CodeGenHelper.MethodCall(
CodeGenHelper.Property(
CodeGenHelper.This(),
"Relations"
),
"Add",
relationVarExpression
)
);
//\\ this.relation = this.Relations[""];
initVarsMethod.Statements.Add(
CodeGenHelper.Assign(
relationVarExpression,
CodeGenHelper.Indexer(
CodeGenHelper.Property(CodeGenHelper.This(), "Relations"),
CodeGenHelper.Str(relation.RelationName)
)
)
);
}
// Add extended properties to the dataset, if there are any in the schema file
ExtendedPropertiesHandler.CodeGenerator = codeGenerator;
ExtendedPropertiesHandler.AddExtendedProperties(this.dataSource, CodeGenHelper.This(), initClassMethod.Statements, dataSet.ExtendedProperties);
} // end InitClassAndInitVarsMethods(...)
private void AddShouldSerializeSingleTableMethods(CodeTypeDeclaration dataSourceClass) {
foreach(DesignTable table in codeGenerator.TableHandler.Tables) {
string tablePropertyName = table.GeneratorTablePropName;
string shouldSerializeMethodName = MemberNameValidator.GenerateIdName("ShouldSerialize" + tablePropertyName, this.codeGenerator.CodeProvider, false /*useSuffix*/);
CodeMemberMethod shouldSerializeTableProperty =
CodeGenHelper.MethodDecl(CodeGenHelper.GlobalType(typeof(System.Boolean)), shouldSerializeMethodName, MemberAttributes.Private);
shouldSerializeTableProperty.Statements.Add(CodeGenHelper.Return(CodeGenHelper.Primitive(false)));
dataSourceClass.Members.Add(shouldSerializeTableProperty);
}
}
private CodeMemberMethod SchemaChangedMethod() {
CodeMemberMethod schemaChanged = CodeGenHelper.MethodDecl(CodeGenHelper.GlobalType(typeof(void)), "SchemaChanged", MemberAttributes.Private);
schemaChanged.Parameters.Add(CodeGenHelper.ParameterDecl(CodeGenHelper.GlobalType(typeof(object)), "sender"));
schemaChanged.Parameters.Add(CodeGenHelper.ParameterDecl(CodeGenHelper.GlobalType(typeof(CollectionChangeEventArgs)), "e"));
schemaChanged.Statements.Add(
CodeGenHelper.If(
CodeGenHelper.EQ(
CodeGenHelper.Property(CodeGenHelper.Argument("e"), "Action"),
CodeGenHelper.Field(CodeGenHelper.GlobalTypeExpr(typeof(CollectionChangeAction)), "Remove")
),
CodeGenHelper.Stm(CodeGenHelper.MethodCall(CodeGenHelper.This(), "InitVars"))
)
);
return schemaChanged;
}
// private CodeMemberMethod GetTypedDataSetSchema() {
// //\\ public static XmlSchemaType GetTypedDataSetSchema(XmlSchemaSet xs) {
// //\\ Authors_DS ds = new Authors_DS();
// //\\ xs.Add(ds.GetSchemaSerializable());
// //\\ XmlSchemaComplexType type = DataSet.GetDataSetSchema(xs);
// //\\ XmlSchemaAttribute attribute = new XmlSchemaAttribute();
// //\\ attribute.Name = "namespace";
// //\\ attribute.FixedValue = ds.Namespace;
// //\\ type.Attributes.Add(attribute);
// //\\ return type;
// //\\ }
// CodeMemberMethod getTypedDataSetSchema = CodeGenHelper.MethodDecl(typeof(XmlSchemaType), "GetTypedDataSetSchema", MemberAttributes.Static | MemberAttributes.Public);
// getTypedDataSetSchema.Parameters.Add(CodeGenHelper.ParameterDecl(typeof(XmlSchemaSet), "xs"));
//
// getTypedDataSetSchema.Statements.Add(CodeGenHelper.VariableDecl(dataSource.GeneratorDataSetName, "ds", CodeGenHelper.New(dataSource.GeneratorDataSetName, new CodeExpression[] {})));
// getTypedDataSetSchema.Statements.Add(CodeGenHelper.MethodCall(CodeGenHelper.Argument("xs"), "Add", new CodeExpression [] { CodeGenHelper.MethodCall(CodeGenHelper.Variable("ds"), "GetSchemaSerializable", new CodeExpression[] {})}));
// getTypedDataSetSchema.Statements.Add(CodeGenHelper.VariableDecl(typeof(XmlSchemaComplexType), "type", CodeGenHelper.MethodCall(CodeGenHelper.TypeExpr(typeof(DataSet)), "GetDataSetSchema", new CodeExpression[] {CodeGenHelper.Argument("xs")})));
// getTypedDataSetSchema.Statements.Add(CodeGenHelper.VariableDecl(typeof(XmlSchemaAttribute), "attribute", CodeGenHelper.New(typeof(XmlSchemaAttribute), new CodeExpression[] {})));
// getTypedDataSetSchema.Statements.Add(CodeGenHelper.Assign(CodeGenHelper.Property(CodeGenHelper.Variable("attribute"), "Name"), CodeGenHelper.Primitive("namespace")));
// getTypedDataSetSchema.Statements.Add(CodeGenHelper.Assign(CodeGenHelper.Property(CodeGenHelper.Variable("attribute"),"FixedValue"), CodeGenHelper.Property(CodeGenHelper.Variable("ds"), "Namespace")));
// getTypedDataSetSchema.Statements.Add(CodeGenHelper.MethodCall(CodeGenHelper.Property(CodeGenHelper.Variable("type"),"Attributes"), "Add", new CodeExpression [] { CodeGenHelper.Variable("attribute") }));
// getTypedDataSetSchema.Statements.Add(CodeGenHelper.Return(CodeGenHelper.Variable("type")));
//
// return getTypedDataSetSchema;
// }
internal static void GetSchemaIsInCollection(CodeStatementCollection statements, string dsName, string collectionName)
{
CodeStatement[] condBodyInner = new CodeStatement[] {
CodeGenHelper.Assign(
CodeGenHelper.Property(
CodeGenHelper.Variable("s1"),
"Position"
),
CodeGenHelper.Primitive(0)
),
CodeGenHelper.Assign(
CodeGenHelper.Property(
CodeGenHelper.Variable("s2"),
"Position"
),
CodeGenHelper.Primitive(0)
),
CodeGenHelper.ForLoop(
CodeGenHelper.Stm(
new CodeSnippetExpression("")
),
CodeGenHelper.And(
CodeGenHelper.IdNotEQ(
CodeGenHelper.Property(
CodeGenHelper.Variable("s1"),
"Position"
),
CodeGenHelper.Property(
CodeGenHelper.Variable("s1"),
"Length"
)
),
CodeGenHelper.EQ(
CodeGenHelper.MethodCall(
CodeGenHelper.Variable("s1"),
"ReadByte",
new CodeExpression[] {}
),
CodeGenHelper.MethodCall(
CodeGenHelper.Variable("s2"),
"ReadByte",
new CodeExpression[] {}
)
)
),
CodeGenHelper.Stm(
new CodeSnippetExpression("")
),
new CodeStatement[] {
CodeGenHelper.Stm(
new CodeSnippetExpression("")
)
}
),
CodeGenHelper.If(
CodeGenHelper.EQ(
CodeGenHelper.Property(
CodeGenHelper.Variable("s1"),
"Position"
),
CodeGenHelper.Property(
CodeGenHelper.Variable("s1"),
"Length"
)
),
new CodeStatement[] {
CodeGenHelper.Return(
CodeGenHelper.Variable("type")
)
}
)
};
CodeStatement[] loopBody = new CodeStatement[] {
CodeGenHelper.Assign(
CodeGenHelper.Variable("schema"),
CodeGenHelper.Cast(
CodeGenHelper.GlobalType(typeof(XmlSchema)),
CodeGenHelper.Property(
CodeGenHelper.Variable("schemas"),
"Current"
)
)
),
CodeGenHelper.Stm(
CodeGenHelper.MethodCall(
CodeGenHelper.Variable("s2"),
"SetLength",
new CodeExpression[] {
CodeGenHelper.Primitive(0)
}
)
),
CodeGenHelper.Stm(
CodeGenHelper.MethodCall(
CodeGenHelper.Variable("schema"),
"Write",
new CodeExpression[] {
CodeGenHelper.Variable("s2")
}
)
),
CodeGenHelper.If(
CodeGenHelper.EQ(
CodeGenHelper.Property(
CodeGenHelper.Variable("s1"),
"Length"
),
CodeGenHelper.Property(
CodeGenHelper.Variable("s2"),
"Length"
)
),
condBodyInner
)
};
CodeStatement[] tryBody = new CodeStatement[] {
CodeGenHelper.VariableDecl(
CodeGenHelper.GlobalType(typeof(XmlSchema)),
"schema",
CodeGenHelper.Primitive(null)
),
CodeGenHelper.Stm(
CodeGenHelper.MethodCall(
CodeGenHelper.Variable("dsSchema"),
"Write",
new CodeExpression[] {
CodeGenHelper.Variable("s1")
}
)
),
CodeGenHelper.ForLoop(
CodeGenHelper.VariableDecl(
CodeGenHelper.GlobalType(typeof(IEnumerator)),
"schemas",
CodeGenHelper.MethodCall(
CodeGenHelper.MethodCall(
CodeGenHelper.Variable(collectionName),
"Schemas",
new CodeExpression[] {
CodeGenHelper.Property(
CodeGenHelper.Variable("dsSchema"),
"TargetNamespace"
)
}
),
"GetEnumerator",
new CodeExpression[] { }
)
),
CodeGenHelper.MethodCall(
CodeGenHelper.Variable("schemas"),
"MoveNext",
new CodeExpression[] { }
),
CodeGenHelper.Stm(
new CodeSnippetExpression("")
),
loopBody
)
};
CodeStatement[] finallyBody = new CodeStatement[] {
CodeGenHelper.If(
CodeGenHelper.IdNotEQ(
CodeGenHelper.Variable("s1"),
CodeGenHelper.Primitive(null)
),
new CodeStatement[] {
CodeGenHelper.Stm(
CodeGenHelper.MethodCall(
CodeGenHelper.Variable("s1"),
"Close",
new CodeExpression[] { }
)
)
}
),
CodeGenHelper.If(
CodeGenHelper.IdNotEQ(
CodeGenHelper.Variable("s2"),
CodeGenHelper.Primitive(null)
),
new CodeStatement[] {
CodeGenHelper.Stm(
CodeGenHelper.MethodCall(
CodeGenHelper.Variable("s2"),
"Close",
new CodeExpression[] { }
)
)
}
)
};
CodeStatement[] condBodyOuter = new CodeStatement[] {
CodeGenHelper.VariableDecl(
CodeGenHelper.GlobalType(typeof(System.IO.MemoryStream)),
"s1",
CodeGenHelper.New(
CodeGenHelper.GlobalType(typeof(System.IO.MemoryStream)),
new CodeExpression[] { }
)
),
CodeGenHelper.VariableDecl(
CodeGenHelper.GlobalType(typeof(System.IO.MemoryStream)),
"s2",
CodeGenHelper.New(
CodeGenHelper.GlobalType(typeof(System.IO.MemoryStream)),
new CodeExpression[] { }
)
),
CodeGenHelper.Try(
tryBody,
new CodeCatchClause[] { },
finallyBody
)
};
statements.Add(
CodeGenHelper.VariableDecl(
CodeGenHelper.GlobalType(typeof(XmlSchema)),
"dsSchema",
CodeGenHelper.MethodCall(
CodeGenHelper.Variable(dsName),
"GetSchemaSerializable",
new CodeExpression[] { }
)
)
);
statements.Add(
CodeGenHelper.If(
CodeGenHelper.MethodCall(
CodeGenHelper.Variable(collectionName),
"Contains",
new CodeExpression[] {
CodeGenHelper.Property(
CodeGenHelper.Variable("dsSchema"),
"TargetNamespace"
)
}
),
condBodyOuter
)
);
statements.Add(
CodeGenHelper.MethodCall(
CodeGenHelper.Argument("xs"),
"Add",
new CodeExpression[] {
CodeGenHelper.Variable("dsSchema")
}
)
);
}
private CodeMemberMethod GetTypedDataSetSchema() {
//\\ public static XmlSchemaComplexType GetDataSetSchema(XmlSchemaSet xs) {
//\\ XmlSchemaComplexType type = new XmlSchemaComplexType();
//\\ XmlSchemaSequence sequence = new XmlSchemaSequence();
//\\ XmlSchemaAny any = new XmlSchemaAny();
//\\ any.Namespace =
//\\ sequence.Items.Add(any);
//\\ type.Particle = sequence;
//\\ XmlSchema dsSchema = ds.GetSchemaSerializable();
//\\ if (xs.Contains(dsSchema.TargetNamespace)) {
//\\ MemoryStream s1 = new MemoryStream();
//\\ MemoryStream s2 = new MemoryStream();
//\\ try {
//\\ XmlSchema schema = null;
//\\ dsSchema.Write(s1);
//\\ for (IEnumerator schemas = xs.Schemas(dsSchema.TargetNamespace).GetEnumerator(); schemas.MoveNext(); ) {
//\\ schema = (XmlSchema)schemas.Current;
//\\ s2.SetLength(0);
//\\ schema.Write(s2);
//\\ if ((s1.Length == s2.Length)) {
//\\ s1.Position = 0;
//\\ s2.Position = 0;
//\\ for (; ((s1.Position != s1.Length) && (s1.ReadByte() == s2.ReadByte())); ) { }
//\\ if ((s1.Position == s1.Length)) {
//\\ return type;
//\\ }
//\\ }
//\\ }
//\\ }
//\\ finally {
//\\ if (s1 != null) {
//\\ s1.Dispose();
//\\ }
//\\ if (s2 != null) {
//\\ s2.Dispose();
//\\ }
//\\ }
//\\ }
//\\ xs.Add(dsSchema);
//\\ return type;
//\\ }
CodeMemberMethod getDataSetSchema = CodeGenHelper.MethodDecl(CodeGenHelper.GlobalType(typeof(XmlSchemaComplexType)), "GetTypedDataSetSchema", MemberAttributes.Static | MemberAttributes.Public);
getDataSetSchema.Parameters.Add(CodeGenHelper.ParameterDecl(CodeGenHelper.GlobalType(typeof(XmlSchemaSet)), "xs"));
getDataSetSchema.Statements.Add(
CodeGenHelper.VariableDecl(
CodeGenHelper.Type(dataSource.GeneratorDataSetName),
"ds",
CodeGenHelper.New(
CodeGenHelper.Type(dataSource.GeneratorDataSetName),
new CodeExpression[] {}
)
)
);
getDataSetSchema.Statements.Add(
CodeGenHelper.VariableDecl(
CodeGenHelper.GlobalType(typeof(XmlSchemaComplexType)),
"type",
CodeGenHelper.New(CodeGenHelper.GlobalType(typeof(XmlSchemaComplexType)), new CodeExpression[] {})
)
);
getDataSetSchema.Statements.Add(
CodeGenHelper.VariableDecl(
CodeGenHelper.GlobalType(typeof(XmlSchemaSequence)),
"sequence",
CodeGenHelper.New(CodeGenHelper.GlobalType(typeof(XmlSchemaSequence)), new CodeExpression[] {})
)
);
getDataSetSchema.Statements.Add(
CodeGenHelper.VariableDecl(
CodeGenHelper.GlobalType(typeof(XmlSchemaAny)),
"any",
CodeGenHelper.New(CodeGenHelper.GlobalType(typeof(XmlSchemaAny)), new CodeExpression[] {})
)
);
getDataSetSchema.Statements.Add(
CodeGenHelper.Assign(
CodeGenHelper.Property(CodeGenHelper.Variable("any"), "Namespace"),
CodeGenHelper.Property(
CodeGenHelper.Variable("ds"),
"Namespace"
)
)
);
getDataSetSchema.Statements.Add(
CodeGenHelper.Stm(
CodeGenHelper.MethodCall(
CodeGenHelper.Property(CodeGenHelper.Variable("sequence"), "Items"),
"Add",
new CodeExpression[] { CodeGenHelper.Variable("any") }
)
)
);
getDataSetSchema.Statements.Add(
CodeGenHelper.Assign(
CodeGenHelper.Property(CodeGenHelper.Variable("type"), "Particle"),
CodeGenHelper.Variable("sequence")
)
);
// DDBugs 126260: Avoid adding the same schema twice
GetSchemaIsInCollection(getDataSetSchema.Statements, "ds", "xs");
getDataSetSchema.Statements.Add(CodeGenHelper.Return(CodeGenHelper.Variable("type")));
return getDataSetSchema;
}
private CodeMemberProperty TablesProperty() {
CodeMemberProperty tablesProperty = CodeGenHelper.PropertyDecl(
CodeGenHelper.GlobalType(typeof(System.Data.DataTableCollection)),
DataSourceNameHandler.TablesPropertyName,
MemberAttributes.Public | MemberAttributes.New | MemberAttributes.Final
);
tablesProperty.CustomAttributes.Add(
CodeGenHelper.AttributeDecl("System.ComponentModel.DesignerSerializationVisibilityAttribute",
CodeGenHelper.Field(
CodeGenHelper.GlobalTypeExpr(typeof(DesignerSerializationVisibility)), "Hidden")));
tablesProperty.GetStatements.Add(
CodeGenHelper.Return(CodeGenHelper.Property(CodeGenHelper.Base(), "Tables"))
);
return tablesProperty;
}
private CodeMemberProperty RelationsProperty() {
CodeMemberProperty relationsProperty = CodeGenHelper.PropertyDecl(
CodeGenHelper.GlobalType(typeof(System.Data.DataRelationCollection)),
DataSourceNameHandler.RelationsPropertyName,
MemberAttributes.Public | MemberAttributes.New | MemberAttributes.Final
);
relationsProperty.CustomAttributes.Add(
CodeGenHelper.AttributeDecl("System.ComponentModel.DesignerSerializationVisibilityAttribute",
CodeGenHelper.Field(
CodeGenHelper.GlobalTypeExpr(typeof(DesignerSerializationVisibility)), "Hidden")));
relationsProperty.GetStatements.Add(
CodeGenHelper.Return(CodeGenHelper.Property(CodeGenHelper.Base(), "Relations"))
);
return relationsProperty;
}
private CodeMemberMethod InitExpressionsMethod() {
bool bInitExpressions = false;
//\\ private void InitExpressions {
//\\ this...Expression = "";
//\\ ....
//\\ }
CodeMemberMethod initExpressions = CodeGenHelper.MethodDecl(CodeGenHelper.GlobalType(typeof(void)), "InitExpressions", MemberAttributes.Private);
foreach (DesignTable designTable in this.dataSource.DesignTables) {
DataTable table = designTable.DataTable;
foreach (DataColumn column in table.Columns) {
if (column.Expression.Length > 0) {
CodeExpression codeField = CodeGenHelper.Property(
CodeGenHelper.Property(CodeGenHelper.This(), designTable.GeneratorTablePropName),
codeGenerator.TableHandler.Tables[column.Table.TableName].DesignColumns[column.ColumnName].GeneratorColumnPropNameInTable
);
bInitExpressions = true;
initExpressions.Statements.Add(
CodeGenHelper.Assign(
CodeGenHelper.Property(codeField, "Expression"),
CodeGenHelper.Str(column.Expression)
)
);
}
}
}
if (bInitExpressions) {
return initExpressions;
}
else {
return null;
}
}
private bool TableContainsExpressions(DesignTable designTable) {
DataTable table = designTable.DataTable;
foreach (DataColumn column in table.Columns) {
if (column.Expression.Length > 0) {
return true;
}
}
return false;
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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