Merge pull request #601 from knocte/sock_improvements
[mono.git] / mcs / class / System.Data / System.Data / DataTableCollection.cs
index 3f54fca0c31c48c14776fa495ba387bcc30e6c08..36e93707be5e57b8032e0b31d64bf9e987239c9a 100644 (file)
 // distribute, sublicense, and/or sell copies of the Software, and to
 // permit persons to whom the Software is furnished to do so, subject to
 // the following conditions:
-// 
+//
 // The above copyright notice and this permission notice shall be
 // included in all copies or substantial portions of the Software.
-// 
+//
 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
@@ -36,8 +36,12 @@ using System;
 using System.Collections;
 using System.ComponentModel;
 using System.Globalization;
+using System.IO;
+using System.Runtime.Serialization;
+using System.Runtime.Serialization.Formatters.Binary;
 
-namespace System.Data {
+namespace System.Data
+{
        /// <summary>
        /// Represents the collection of tables for the DataSet.
        /// </summary>
@@ -45,66 +49,50 @@ namespace System.Data {
                 "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
        [DefaultEvent ("CollectionChanged")]
        [ListBindable (false)]
-#if !NET_2_0
-       [Serializable]
-#endif
-       public
-#if NET_2_0
-       sealed
-#endif
-       class DataTableCollection : InternalDataCollectionBase
-       {
+       public partial class DataTableCollection : InternalDataCollectionBase {
                DataSet dataSet;
                DataTable[] mostRecentTables;
-               #region Constructors 
+
+               #region Constructors
 
                internal DataTableCollection (DataSet dataSet)
                        : base ()
                {
                        this.dataSet = dataSet;
                }
-               
+
                #endregion
-               
+
                #region Properties
 
-               public DataTable this[int index] {
+               public DataTable this [int index] {
                        get {
                                if (index < 0 || index >= List.Count)
-                                       throw new IndexOutOfRangeException(String.Format("Cannot find table {0}", index));
-                               return (DataTable)(List[index]);
+                                       throw new IndexOutOfRangeException (String.Format ("Cannot find table {0}", index));
+                               return (DataTable)(List [index]);
                        }
                }
 
-               public DataTable this[string name] {
-                       get { 
+               public DataTable this [string name] {
+                       get {
                                int index = IndexOf (name, true);
-                               return index < 0 ? null : (DataTable) List[index];
+                               return index < 0 ? null : (DataTable) List [index];
                        }
                }
 
-#if NET_2_0
-               public DataTable this [string name, string tbNamespace] {
-                       get { 
-                               int index = IndexOf (name, tbNamespace, true);
-                               return index < 0 ? null : (DataTable) List[index];
-                       }
-               }
-#endif
-
                protected override ArrayList List {
                        get { return base.List; }
                }
 
                #endregion
-       
-               #region Methods 
+
+               #region Methods
 
                public
 #if !NET_2_0
                virtual
 #endif
-               DataTable Add () 
+               DataTable Add ()
                {
                        DataTable Table = new DataTable ();
                        Add (Table);
@@ -115,26 +103,26 @@ namespace System.Data {
 #if !NET_2_0
                virtual
 #endif
-               void Add (DataTable table) 
+               void Add (DataTable table)
                {
                        OnCollectionChanging (new CollectionChangeEventArgs (CollectionChangeAction.Add, table));
                        // check if the reference is a null reference
-                       if(table == null)
-                               throw new ArgumentNullException("table");
-            
+                       if (table == null)
+                               throw new ArgumentNullException ("table");
+
                        // check if the list already contains this tabe.
-                       if(List.Contains(table))
-                               throw new ArgumentException("DataTable already belongs to this DataSet.");
-                       
-                       // check if table is part of another DataSet 
+                       if (List.Contains (table))
+                               throw new ArgumentException ("DataTable already belongs to this DataSet.");
+
+                       // check if table is part of another DataSet
                        if (table.DataSet != null && table.DataSet != this.dataSet)
                                throw new ArgumentException ("DataTable already belongs to another DataSet");
 
                        // if the table name is null or empty string.
-                       // give her a name. 
+                       // give her a name.
                        if (table.TableName == null || table.TableName == string.Empty)
                                NameTable (table);
-                   
+
                        // check if the collection has a table with the same name.
 #if !NET_2_0
                        int tmp = IndexOf (table.TableName);
@@ -144,11 +132,9 @@ namespace System.Data {
                        // if we found a table with same name we have to check
                        // that it is the same case.
                        // indexof can return a table with different case letters.
-                       if (tmp != -1)
-                       {
-                               if(table.TableName == this[tmp].TableName)
-                                       throw new DuplicateNameException("A DataTable named '" + table.TableName + "' already belongs to this DataSet.");
-                       }
+                       if (tmp != -1 &&
+                           table.TableName == this [tmp].TableName)
+                               throw new DuplicateNameException ("A DataTable named '" + table.TableName + "' already belongs to this DataSet.");
 
                        List.Add (table);
                        table.dataSet = dataSet;
@@ -159,23 +145,14 @@ namespace System.Data {
 #if !NET_2_0
                virtual
 #endif
-               DataTable Add (string name) 
+               DataTable Add (string name)
                {
                        DataTable table = new DataTable (name);
                        this.Add (table);
                        return table;
                }
 
-#if NET_2_0
-               public DataTable Add (string name, string tbNamespace)
-               {
-                       DataTable table = new DataTable (name, tbNamespace);
-                       this.Add (table);
-                       return table;
-               }
-#endif
-
-               public void AddRange (DataTable[] tables)
+               public void AddRange (DataTable [] tables)
                {
                        if (dataSet != null && dataSet.InitInProgress) {
                                mostRecentTables = tables;
@@ -205,38 +182,26 @@ namespace System.Data {
                        mostRecentTables = null;
                }
 
-               public bool CanRemove (DataTable table) 
+               public bool CanRemove (DataTable table)
                {
-                       return CanRemove(table, false);
+                       return CanRemove (table, false);
                }
 
-               public void Clear () 
+               public void Clear ()
                {
                        List.Clear ();
                }
 
-               public bool Contains (string name) 
+               public bool Contains (string name)
                {
                        return (-1 != IndexOf (name, false));
                }
-               
-#if NET_2_0
-               public bool Contains (string name, string tableNamespace) 
-               {
-                       return (IndexOf (name, tableNamespace) != -1) ;
-               }
-#endif
-
-               public void CopyTo (DataTable [] array, int index)
-               {
-                       CopyTo ((Array) array, index);
-               }
 
                public
 #if !NET_2_0
                virtual
 #endif
-               int IndexOf (DataTable table) 
+               int IndexOf (DataTable table)
                {
                        return List.IndexOf (table);
                }
@@ -245,136 +210,73 @@ namespace System.Data {
 #if !NET_2_0
                virtual
 #endif
-               int IndexOf (string name) 
+               int IndexOf (string tableName)
                {
-                       return IndexOf (name, false);
+                       return IndexOf (tableName, false);
                }
 
-#if NET_2_0
-               public int IndexOf (string name, string tableNamespace)
-               {
-                       if (tableNamespace == null)
-                               throw new ArgumentNullException ("'tableNamespace' argument cannot be null.",
-                                               "tableNamespace");
-                       return IndexOf (name, tableNamespace, false);
-               }
-#endif
-               
-               public void Remove (DataTable table) 
+               public void Remove (DataTable table)
                {
                        OnCollectionChanging (new CollectionChangeEventArgs (CollectionChangeAction.Remove, table));
-                       if (CanRemove(table, true))
+                       if (CanRemove (table, true))
                                table.dataSet = null;
 
-                       List.Remove(table);
+                       List.Remove (table);
                        table.dataSet = null;
                        OnCollectionChanged (new CollectionChangeEventArgs (CollectionChangeAction.Remove, table));
                }
 
-               public void Remove (string name) 
+               public void Remove (string name)
                {
                        int index = IndexOf (name, false);
                        if (index == -1)
-                               throw new ArgumentException ("Table " + name + " does not belong to this DataSet"); 
+                               throw new ArgumentException ("Table " + name + " does not belong to this DataSet");
                        RemoveAt (index);
                }
 
-#if NET_2_0
-               public void Remove (string name, string tableNamespace)
+               public void RemoveAt (int index)
                {
-                       int index = IndexOf (name, tableNamespace, true);
-                       if (index == -1)
-                                throw new ArgumentException ("Table " + name + " does not belong to this DataSet");
-
-                       RemoveAt (index);
-               }
-#endif
-
-               public void RemoveAt (int index) 
-               {
-                       Remove(this[index]);
+                       Remove (this [index]);
                }
 
                #endregion
 
                #region Protected methods
 
-               
 #if !NET_2_0
                protected internal virtual
 #else
                internal
 #endif
-               void OnCollectionChanging (CollectionChangeEventArgs Args)
+               void OnCollectionChanging (CollectionChangeEventArgs ccevent)
                {
                        if (CollectionChanging != null)
-                               CollectionChanging (this, Args);
+                               CollectionChanging (this, ccevent);
                }
 
-               
 #if !NET_2_0
                protected virtual
 #else
                internal
 #endif
-               void OnCollectionChanged (CollectionChangeEventArgs Args)
+               void OnCollectionChanged (CollectionChangeEventArgs ccevent)
                {
                        if (CollectionChanged != null)
-                               CollectionChanged (this, Args);
+                               CollectionChanged (this, ccevent);
                }
 
                #endregion
 
                #region Private methods
-#if NET_2_0
-               private int IndexOf (string name, string ns, bool error)
-               {
-                       int index = -1, count = 0, match = -1;
-                       do {
-                               index = IndexOf (name, error, index+1);
-
-                               if (index == -1)
-                                       break;
-
-                               if (ns == null) {
-                                       if (count > 1)
-                                               break;
-                                       count++;
-                                       match = index;
-                               } else if (this [index].Namespace.Equals (ns))
-                                       return index;
-
-                       } while (index != -1 && index < Count);
-                       
-                       if (count == 1)
-                               return match;
-
-                       if (count == 0 || !error)
-                               return -1;
-
-                       throw new ArgumentException ("The given name '" + name + "' matches atleast two names" +
-                                       "in the collection object with different namespaces");
-               }
-#endif
-
-               private int IndexOf (string name, bool error)
-               {
-#if NET_2_0
-                       return IndexOf (name, null, error);
-# else
-                       return IndexOf (name, error, 0);
-#endif
-               }
 
                private int IndexOf (string name, bool error, int start)
                {
                        int count = 0, match = -1;
-                       for (int i = start; i < List.Count; i++)
-                       {
+                       for (int i = start; i < List.Count; i++) {
                                String name2 = ((DataTable) List[i]).TableName;
-                               if (String.Compare (name, name2, false) == 0)
+                               if (String.Compare (name, name2, false, dataSet.Locale) == 0)
                                        return i;
-                               if (String.Compare (name, name2, true) == 0) {
+                               if (String.Compare (name, name2, true, dataSet.Locale) == 0) {
                                        match = i;
                                        count++;
                                }
@@ -396,34 +298,33 @@ namespace System.Data {
                        while (Contains (Name + i))
                                i++;
 
-                       Table.TableName = Name + i;                            
+                       Table.TableName = Name + i;
                }
-               
+
                // check if a table can be removed from this collectiuon.
                // if the table can not be remved act according to throwException parameter.
                // if it is true throws an Exception, else return false.
-               private bool CanRemove(DataTable table, bool throwException)
+               private bool CanRemove (DataTable table, bool throwException)
                {
-
                        // check if table is null reference
                        if (table == null) {
-                               if(throwException)
-                                       throw new ArgumentNullException("table");
+                               if (throwException)
+                                       throw new ArgumentNullException ("table");
                                return false;
                        }
 
                        // check if the table has the same DataSet as this collection.
-                       if(table.DataSet != this.dataSet) {
-                               if(!throwException)
+                       if (table.DataSet != this.dataSet) {
+                               if (!throwException)
                                        return false;
-                               throw new ArgumentException("Table " + table.TableName + " does not belong to this DataSet.");
+                               throw new ArgumentException ("Table " + table.TableName + " does not belong to this DataSet.");
                        }
-                       
+
                        // check the table has a relation attached to it.
                        if (table.ParentRelations.Count > 0 || table.ChildRelations.Count > 0) {
-                               if(!throwException)
+                               if (!throwException)
                                        return false;
-                               throw new ArgumentException("Cannot remove a table that has existing relations. Remove relations first.");
+                               throw new ArgumentException ("Cannot remove a table that has existing relations. Remove relations first.");
                        }
 
                        // now we check if any ForeignKeyConstraint is referncing 'table'.
@@ -439,7 +340,7 @@ namespace System.Data {
                                }
 
                                ForeignKeyConstraint fc = c as ForeignKeyConstraint;
-                               if (fc == null) 
+                               if (fc == null)
                                        continue;
 
                                if (!throwException)
@@ -461,11 +362,128 @@ namespace System.Data {
 
                #region Events
 
-               [ResDescriptionAttribute ("Occurs whenever this collection's membership changes.")]             
+               [ResDescriptionAttribute ("Occurs whenever this collection's membership changes.")]
                public event CollectionChangeEventHandler CollectionChanged;
 
                public event CollectionChangeEventHandler CollectionChanging;
 
                #endregion
        }
+
+#if NET_2_0
+       sealed partial class DataTableCollection {
+               public DataTable this [string name, string tableNamespace] {
+                       get {
+                               int index = IndexOf (name, tableNamespace, true);
+                               return index < 0 ? null : (DataTable) List [index];
+                       }
+               }
+
+               public DataTable Add (string name, string tableNamespace)
+               {
+                       DataTable table = new DataTable (name, tableNamespace);
+                       this.Add (table);
+                       return table;
+               }
+
+               public bool Contains (string name, string tableNamespace)
+               {
+                       return (IndexOf (name, tableNamespace) != -1);
+               }
+
+               public int IndexOf (string tableName, string tableNamespace)
+               {
+                       if (tableNamespace == null)
+                               throw new ArgumentNullException ("'tableNamespace' argument cannot be null.",
+                                               "tableNamespace");
+                       return IndexOf (tableName, tableNamespace, false);
+               }
+
+               public void Remove (string name, string tableNamespace)
+               {
+                       int index = IndexOf (name, tableNamespace, true);
+                       if (index == -1)
+                                throw new ArgumentException ("Table " + name + " does not belong to this DataSet");
+
+                       RemoveAt (index);
+               }
+
+               private int IndexOf (string name, string ns, bool error)
+               {
+                       int index = -1, count = 0, match = -1;
+                       do {
+                               index = IndexOf (name, error, index+1);
+
+                               if (index == -1)
+                                       break;
+
+                               if (ns == null) {
+                                       if (count > 1)
+                                               break;
+                                       count++;
+                                       match = index;
+                               } else if (this [index].Namespace.Equals (ns))
+                                       return index;
+
+                       } while (index != -1 && index < Count);
+
+                       if (count == 1)
+                               return match;
+
+                       if (count == 0 || !error)
+                               return -1;
+
+                       throw new ArgumentException ("The given name '" + name + "' matches atleast two names" +
+                                       "in the collection object with different namespaces");
+               }
+
+               private int IndexOf (string name, bool error)
+               {
+                       return IndexOf (name, null, error);
+               }
+
+               public void CopyTo (DataTable [] array, int index)
+               {
+                       CopyTo ((Array) array, index);
+               }
+
+               internal void BinarySerialize_Schema (SerializationInfo si)
+               {
+                       si.AddValue ("DataSet.Tables.Count", Count);
+                       for (int i = 0; i < Count; i++) {
+                               DataTable dt = (DataTable) List [i];
+
+                               if (dt.dataSet != dataSet)
+                                       throw new SystemException ("Internal Error: inconsistent DataTable");
+
+                               MemoryStream ms = new MemoryStream ();
+                               BinaryFormatter bf = new BinaryFormatter ();
+                               bf.Serialize (ms, dt);
+                               byte [] serializedStream = ms.ToArray ();
+                               ms.Close ();
+                               si.AddValue ("DataSet.Tables_" + i, serializedStream, typeof (Byte []));
+                       }
+               }
+
+               internal void BinarySerialize_Data (SerializationInfo si)
+               {
+                       for (int i = 0; i < Count; i++) {
+                               DataTable dt = (DataTable) List [i];
+                               for (int j = 0; j < dt.Columns.Count; j++) {
+                                       si.AddValue ("DataTable_" + i + ".DataColumn_" + j + ".Expression",
+                                                    dt.Columns[j].Expression);
+                               }
+                               dt.BinarySerialize (si, "DataTable_" + i + ".");
+                       }
+               }
+       }
+#else
+       [Serializable]
+       partial class DataTableCollection {
+               private int IndexOf (string name, bool error)
+               {
+                       return IndexOf (name, error, 0);
+               }
+       }
+#endif
 }