Implementation of Properties and Methods in MethodSignatureGenerator.cs

Implemented following properties:-

CodeProvider 
ContainerParameterType
DataSetClassName
IsGetMethod 
PagingMethod 
ParameterGenerationOption
ParameterOption 
TableClassName

and following methods:-

GenerateMethod
GenerateMethodSignature 
GenerateUpdatingMethods
SetDesignTableContent
SetMethodSourceContent

1 files changed, 228 insertions, 83 deletions

diff --git a/mcs/class/System.Design/System.Data.Design/MethodSignatureGenerator.cs b/mcs/class/System.Design/System.Data.Design/MethodSignatureGenerator.cs
index d75c3531052..e5e52a4470f 100644
--- a/mcs/class/System.Design/System.Data.Design/MethodSignatureGenerator.cs
+++ b/mcs/class/System.Design/System.Data.Design/MethodSignatureGenerator.cs
@@ -2,7 +2,8 @@
 // MethodSignatureGenerator.cs
 //
 // Author:
-//	Atsushi Enomoto (atsushi@ximian.com)
+//      Atsushi Enomoto (atsushi@ximian.com)
+//      Aakash Apoorv (aakash.apoorv@outlook.com)
 //
 // Copyright (C) 2007 Novell, Inc.
 //
@@ -28,93 +29,237 @@
 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 //
 
-#if NET_2_0
-
 using System.CodeDom;
 using System.CodeDom.Compiler;
 using System.Collections;
 using System.ComponentModel.Design;
+using System.Globalization;
+using System.IO;
+using System.Runtime;
 
 namespace System.Data.Design
 {
-	public class MethodSignatureGenerator
-	{
-		public MethodSignatureGenerator ()
-		{
-		}
-
-		[MonoTODO]
-		public CodeDomProvider CodeProvider {
-			get { throw new NotImplementedException (); }
-			set { throw new NotImplementedException (); }
-		}
-
-		[MonoTODO]
-		public Type ContainerParameterType {
-			get { throw new NotImplementedException (); }
-			set { throw new NotImplementedException (); }
-		}
-
-		[MonoTODO]
-		public string DataSetClassName {
-			get { throw new NotImplementedException (); }
-			set { throw new NotImplementedException (); }
-		}
-
-		[MonoTODO]
-		public bool IsGetMethod {
-			get { throw new NotImplementedException (); }
-			set { throw new NotImplementedException (); }
-		}
-
-		[MonoTODO]
-		public bool PagingMethod {
-			get { throw new NotImplementedException (); }
-			set { throw new NotImplementedException (); }
-		}
-
-		[MonoTODO]
-		public ParameterGenerationOption ParameterOption {
-			get { throw new NotImplementedException (); }
-			set { throw new NotImplementedException (); }
-		}
-
-		[MonoTODO]
-		public string TableClassName {
-			get { throw new NotImplementedException (); }
-			set { throw new NotImplementedException (); }
-		}
-
-		[MonoTODO]
-		public CodeMemberMethod GenerateMethod ()
-		{
-			throw new NotImplementedException ();
-		}
-
-		[MonoTODO]
-		public string GenerateMethodSignature ()
-		{
-			throw new NotImplementedException ();
-		}
-
-		[MonoTODO]
-		public CodeTypeDeclaration GenerateUpdatingMethods ()
-		{
-			throw new NotImplementedException ();
-		}
-
-		[MonoTODO]
-		public void SetDesignTableContent (string designTableContent)
-		{
-			throw new NotImplementedException ();
-		}
-
-		[MonoTODO]
-		public void SetMethodSourceContent (string methodSourceContent)
-		{
-			throw new NotImplementedException ();
-		}
-	}
-}
+        public class MethodSignatureGenerator
+        {
+                private static readonly char endOfStatement = ';';
+                private CodeDomProvider codeProvider;
+                private DbSource methodSource;
+                private Type containerParameterType = typeof (DataSet);
+                private bool pagingMethod;
+                private bool getMethod;
+                private ParameterGenerationOption parameterOption;
+                private string tableClassName;
+                private string datasetClassName;
+                private DesignTable designTable;
+
+                public CodeDomProvider CodeProvider {
+                        get { return this.codeProvider; }
+                        set { this.codeProvider = value; }
+                }
+
+                public Type ContainerParameterType {
+                        get { return this.containerParameterType; }			
+                        set {
+                                if (value != typeof (DataSet) && value != typeof (DataTable))
+                                        throw new InternalException ("Unsupported container parameter type.");
+                                
+                                this.containerParameterType = value;
+                        }
+                }
+
+                public string DataSetClassName {
+                        get { return this.datasetClassName; }
+                        set { this.datasetClassName = value; }
+                }
+
+                public bool IsGetMethod {
+                        get { return this.getMethod; }
+                        set { this.getMethod = value; }
+                }
+
+                public bool PagingMethod {
+                        get { return this.pagingMethod; }
+                        set { this.pagingMethod = value; }
+                }
+
+                public ParameterGenerationOption ParameterOption {
+                        get { return this.parameterOption; }
+                        set { this.parameterOption = value; }
+                }
+
+                public string TableClassName {
+                        get { return this.tableClassName; }
+                        set { this.tableClassName = value; }
+                }
+
+                public CodeMemberMethod GenerateMethod () {
+
+                        if (this.codeProvider == null)
+                                throw new ArgumentException ("codeProvider");
+                                
+                        if (this.methodSource == null)
+                                throw new ArgumentException ("MethodSource");
+                        
+                        QueryGeneratorBase queryGeneratorBase = null;
+           	
+                        if (this.methodSource.QueryType == QueryType.Rowset && this.methodSource.CommandOperation == CommandOperation.Select) {
+                                queryGeneratorBase = new QueryGenerator (null);
+                                queryGeneratorBase.ContainerParameterTypeName = this.GetParameterTypeName ();
+                                queryGeneratorBase.ContainerParameterName = this.GetParameterName ();
+                                queryGeneratorBase.ContainerParameterType = this.containerParameterType;
+                        } else {
+                                queryGeneratorBase = new FunctionGenerator (null);
+                        }
+            
+                        queryGeneratorBase.DeclarationOnly = true;
+                        queryGeneratorBase.CodeProvider = this.codeProvider;
+                        queryGeneratorBase.MethodSource = this.methodSource;
+                        queryGeneratorBase.MethodName = this.GetMethodName ();
+                        queryGeneratorBase.ParameterOption = this.parameterOption;
+                        queryGeneratorBase.GeneratePagingMethod = this.pagingMethod;
+                        queryGeneratorBase.GenerateGetMethod = this.getMethod;
+
+                        return queryGeneratorBase.Generate ();
+                }
+
+                public string GenerateMethodSignature () {
+
+                        if (this.codeProvider == null)
+                                throw new ArgumentException ("codeProvider");
+        
+                        if (this.methodSource == null)
+                                throw new ArgumentException ("MethodSource");
+                
+                        string value = null;
+                        CodeTypeDeclaration codeType = this.GenerateMethodWrapper (out value);
+                        StringWriter stringWriter = new StringWriter(CultureInfo.CurrentCulture);
+                        this.codeProvider.GenerateCodeFromType (codeType, stringWriter, null);
+                        string text = stringWriter.GetStringBuilder().ToString();
+                        string[] array = text.Split(Environment.NewLine.ToCharArray());
+                        string[] array2 = array;
+            
+                        for (int i = 0; i < array2.Length; i++) {
+                                string text2 = array2[i];
+                
+                                if (text2.Contains(value))
+                                        return text2.Trim().TrimEnd( new char[] { MethodSignatureGenerator.endOfStatement });
+                        
+                                return null;
+                        }
+                }
+
+                public CodeTypeDeclaration GenerateUpdatingMethods () {
+
+                        if (this.designTable == null)
+                                throw new InternalException ("DesignTable should not be null.");
+                        
+                        if (StringUtil.Empty (this.datasetClassName))
+                                throw new InternalException ("DatasetClassName should not be empty.");
+                        
+                        CodeTypeDeclaration codeTypeDeclaration = new CodeTypeDeclaration ("wrapper");
+                        codeTypeDeclaration.IsInterface = true;
+                        new QueryHandler (this.codeProvider, this.designTable) {
+                                DeclarationsOnly = true
+                                }.AddUpdateQueriesToDataComponent (codeTypeDeclaration, this.datasetClassName, this.codeProvider);
+                                                
+                        return codeTypeDeclaration;
+                }
+
+                public void SetDesignTableContent (string designTableContent) {
+
+                        DesignDataSource designDataSource = new DesignDataSource();
+                        StringReader textReader = new StringReader (designTableContent);
+                        designDataSource.ReadXmlSchema (textReader, null);
+
+                        if (designDataSource.DesignTables == null || designDataSource.DesignTables.Count != 1)
+                                throw new InternalException ("Unexpected number of sources in deserialized DataSource.");
+                        
+                        IEnumerator enumerator = designDataSource.DesignTables.GetEnumerator ();
+                        enumerator.MoveNext ();
+                        this.designTable = (DesignTable) enumerator.Current;
+                }
+
+                public void SetMethodSourceContent (string methodSourceContent) {
 
-#endif
+                        DesignDataSource designDataSource = new DesignDataSource ();
+                        StringReader textReader = new StringReader (methodSourceContent);
+                        designDataSource.ReadXmlSchema (textReader, null);
+
+                        if (designDataSource.Sources == null || designDataSource.Sources.Count != 1)
+                                throw new InternalException ("Unexpected number of sources in deserialized DataSource.");
+
+                        IEnumerator enumerator = designDataSource.Sources.GetEnumerator ();
+                        enumerator.MoveNext ();
+                        this.methodSource = (DbSource) enumerator.Current;
+                }
+
+                private CodeTypeDeclaration GenerateMethodWrapper (out string methodName) {
+
+                        CodeTypeDeclaration codeTypeDeclaration = new CodeTypeDeclaration ("Wrapper");
+                        codeTypeDeclaration.IsInterface = true;
+                        CodeMemberMethod codeMemberMethod = this.GenerateMethod();
+                        codeTypeDeclaration.Members.Add (codeMemberMethod);
+                        methodName = codeMemberMethod.Name;
+
+                        return codeTypeDeclaration;
+                }
+
+                private string GetParameterName () {
+
+                        if (this.containerParameterType == typeof (DataTable))
+                                return "dataTable";
+
+                        return "dataSet";
+                }
+
+                private string GetParameterTypeName () {
+
+                        if (StringUtil.Empty (this.datasetClassName))
+                                throw new InternalException ("DatasetClassName should not be empty.");
+
+                        if (!(this.containerParameterType == typeof (DataTable)))
+                                return this.datasetClassName;
+
+                        if (StringUtil.Empty (this.tableClassName))
+                                throw new InternalException ("TableClassName should not be empty.");
+
+                        return CodeGenHelper.GetTypeName (this.codeProvider, this.datasetClassName, this.tableClassName);
+                }
+
+                private string GetMethodName () {
+
+                        if (this.methodSource.QueryType == QueryType.Rowset) {
+                                if (this.getMethod) {
+                                        if (this.pagingMethod) {
+                                                if (this.methodSource.GeneratorGetMethodNameForPaging != null) 
+                                                        return this.methodSource.GeneratorGetMethodNameForPaging;
+
+                                                return this.methodSource.GetMethodName + DataComponentNameHandler.PagingMethodSuffix;
+                                        } else {
+                                                if (this.methodSource.GeneratorGetMethodName != null) 
+                                                        return this.methodSource.GeneratorGetMethodName;
+
+                                                return this.methodSource.GetMethodName;
+                                        }
+                                } else {
+                                        if (this.pagingMethod) {
+                                                if (this.methodSource.GeneratorSourceNameForPaging != null)
+                                                        return this.methodSource.GeneratorSourceNameForPaging;
+
+                                                return this.methodSource.Name + DataComponentNameHandler.PagingMethodSuffix;
+                                        } else {
+                                                if (this.methodSource.GeneratorSourceName != null)
+                                                        return this.methodSource.GeneratorSourceName;
+
+                                                return this.methodSource.Name;
+                                        }
+                                }
+                        } else {
+                                if (this.methodSource.GeneratorSourceName != null)
+                                        return this.methodSource.GeneratorSourceName;
+                                
+                                return this.methodSource.Name;
+                        }
+                }
+        }
+}