First round of dead file removal

experimental/visual_studio_plugin/third_party/Microsoft.VisualStudio.Project/DataObject.cs

Index: experimental/visual_studio_plugin/third_party/Microsoft.VisualStudio.Project/DataObject.cs
diff --git a/experimental/visual_studio_plugin/third_party/Microsoft.VisualStudio.Project/DataObject.cs b/experimental/visual_studio_plugin/third_party/Microsoft.VisualStudio.Project/DataObject.cs
deleted file mode 100644
index ca9570e0f2bfce4091c7bb1f1f3adde49105442c..0000000000000000000000000000000000000000
--- a/experimental/visual_studio_plugin/third_party/Microsoft.VisualStudio.Project/DataObject.cs
+++ /dev/null
@@ -1,579 +0,0 @@
-/// Copyright (c) Microsoft Corporation.  All rights reserved.
-
-using System;
-using System.Collections;
-using System.Collections.Generic;
-using System.Diagnostics;
-using System.Diagnostics.CodeAnalysis;
-using System.Runtime.InteropServices;
-using System.Security.Permissions;
-using Microsoft.VisualStudio;
-using Microsoft.VisualStudio.OLE.Interop;
-using Microsoft.VisualStudio.Shell;
-
-namespace Microsoft.VisualStudio.Project
-{
-	internal enum tagDVASPECT
-	{
-		DVASPECT_CONTENT = 1,
-		DVASPECT_THUMBNAIL = 2,
-		DVASPECT_ICON = 4,
-		DVASPECT_DOCPRINT = 8
-	}
-
-	internal enum tagTYMED
-	{
-		TYMED_HGLOBAL = 1,
-		TYMED_FILE = 2,
-		TYMED_ISTREAM = 4,
-		TYMED_ISTORAGE = 8,
-		TYMED_GDI = 16,
-		TYMED_MFPICT = 32,
-		TYMED_ENHMF = 64,
-		TYMED_NULL = 0
-	}
-
-	internal sealed class DataCacheEntry : IDisposable
-	{
-		#region fields
-		/// <summary>
-		/// Defines an object that will be a mutex for this object for synchronizing thread calls.
-		/// </summary>
-		private static volatile object Mutex = new object();
-
-		private FORMATETC format;
-
-		private long data;
-
-		private DATADIR dataDir;
-
-		private bool isDisposed;
-		#endregion
-
-		#region properties
-		internal FORMATETC Format
-		{
-			get
-			{
-				return this.format;
-			}
-		}
-
-		internal long Data
-		{
-			get
-			{
-				return this.data;
-			}
-		}
-
-		[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
-		internal DATADIR DataDir
-		{
-			get
-			{
-				return this.dataDir;
-			}
-		}
-
-		#endregion
-
-		/// <summary>
-		/// The IntPtr is data allocated that should be removed. It is allocated by the ProcessSelectionData method.
-		/// </summary>
-		internal DataCacheEntry(FORMATETC fmt, IntPtr data, DATADIR dir)
-		{
-			this.format = fmt;
-			this.data = (long)data;
-			this.dataDir = dir;
-		}
-
-		#region Dispose
-		~DataCacheEntry()
-		{
-			Dispose(false);
-		}
-
-		/// <summary>
-		/// The IDispose interface Dispose method for disposing the object determinastically.
-		/// </summary>
-		public void Dispose()
-		{
-			Dispose(true);
-			GC.SuppressFinalize(this);
-		}
-
-		/// <summary>
-		/// The method that does the cleanup.
-		/// </summary>
-		/// <param name="disposing"></param>
-		private void Dispose(bool disposing)
-		{
-			// Everybody can go here.
-			if(!this.isDisposed)
-			{
-				// Synchronize calls to the Dispose simulteniously.
-				lock(Mutex)
-				{
-					if(disposing && this.data != 0)
-					{
-						Marshal.FreeHGlobal((IntPtr)this.data);
-						this.data = 0;
-					}
-
-					this.isDisposed = true;
-				}
-			}
-		}
-		#endregion
-	}
-
-	/// <summary>
-	/// Unfortunately System.Windows.Forms.IDataObject and
-	/// Microsoft.VisualStudio.OLE.Interop.IDataObject are different...
-	/// </summary>
-	internal sealed class DataObject : IDataObject
-	{
-		#region fields
-		internal const int DATA_S_SAMEFORMATETC = 0x00040130;
-		EventSinkCollection map;
-		ArrayList entries;
-		#endregion
-
-		internal DataObject()
-		{
-			this.map = new EventSinkCollection();
-			this.entries = new ArrayList();
-		}
-
-		internal void SetData(FORMATETC format, IntPtr data)
-		{
-			this.entries.Add(new DataCacheEntry(format, data, DATADIR.DATADIR_SET));
-		}
-
-		#region IDataObject methods
-		int IDataObject.DAdvise(FORMATETC[] e, uint adv, IAdviseSink sink, out uint cookie)
-		{
-			STATDATA sdata = new STATDATA();
-
-			sdata.ADVF = adv;
-			sdata.FORMATETC = e[0];
-			sdata.pAdvSink = sink;
-			cookie = this.map.Add(sdata);
-			sdata.dwConnection = cookie;
-			return 0;
-		}
-
-		void IDataObject.DUnadvise(uint cookie)
-		{
-			this.map.RemoveAt(cookie);
-		}
-
-		int IDataObject.EnumDAdvise(out IEnumSTATDATA e)
-		{
-			e = new EnumSTATDATA((IEnumerable)this.map);
-			return 0; //??
-		}
-
-		int IDataObject.EnumFormatEtc(uint direction, out IEnumFORMATETC penum)
-		{
-			penum = new EnumFORMATETC((DATADIR)direction, (IEnumerable)this.entries);
-			return 0;
-		}
-
-		int IDataObject.GetCanonicalFormatEtc(FORMATETC[] format, FORMATETC[] fmt)
-		{
-			throw new System.Runtime.InteropServices.COMException("", DATA_S_SAMEFORMATETC);
-		}
-
-		void IDataObject.GetData(FORMATETC[] fmt, STGMEDIUM[] m)
-		{
-			STGMEDIUM retMedium = new STGMEDIUM();
-
-			if(fmt == null || fmt.Length < 1)
-				return;
-
-			foreach(DataCacheEntry e in this.entries)
-			{
-				if(e.Format.cfFormat == fmt[0].cfFormat /*|| fmt[0].cfFormat == InternalNativeMethods.CF_HDROP*/)
-				{
-					retMedium.tymed = e.Format.tymed;
-
-					// Caller must delete the memory.
-					retMedium.unionmember = DragDropHelper.CopyHGlobal(new IntPtr(e.Data));
-					break;
-				}
-			}
-
-			if(m != null && m.Length > 0)
-				m[0] = retMedium;
-		}
-
-		void IDataObject.GetDataHere(FORMATETC[] fmt, STGMEDIUM[] m)
-		{
-		}
-
-		int IDataObject.QueryGetData(FORMATETC[] fmt)
-		{
-			if(fmt == null || fmt.Length < 1)
-				return VSConstants.S_FALSE;
-
-			foreach(DataCacheEntry e in this.entries)
-			{
-				if(e.Format.cfFormat == fmt[0].cfFormat /*|| fmt[0].cfFormat == InternalNativeMethods.CF_HDROP*/)
-					return VSConstants.S_OK;
-			}
-
-			return VSConstants.S_FALSE;
-		}
-
-		void IDataObject.SetData(FORMATETC[] fmt, STGMEDIUM[] m, int fRelease)
-		{
-		}
-		#endregion
-	}
-
-	[SecurityPermissionAttribute(SecurityAction.Demand, Flags = SecurityPermissionFlag.UnmanagedCode)]
-	internal static class DragDropHelper
-	{
-#pragma warning disable 414
-		internal static readonly ushort CF_VSREFPROJECTITEMS;
-		internal static readonly ushort CF_VSSTGPROJECTITEMS;
-		internal static readonly ushort CF_VSPROJECTCLIPDESCRIPTOR;
-#pragma warning restore 414
-
-		[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1810:InitializeReferenceTypeStaticFieldsInline")]
-		static DragDropHelper()
-		{
-			CF_VSREFPROJECTITEMS = UnsafeNativeMethods.RegisterClipboardFormat("CF_VSREFPROJECTITEMS");
-			CF_VSSTGPROJECTITEMS = UnsafeNativeMethods.RegisterClipboardFormat("CF_VSSTGPROJECTITEMS");
-			CF_VSPROJECTCLIPDESCRIPTOR = UnsafeNativeMethods.RegisterClipboardFormat("CF_PROJECTCLIPBOARDDESCRIPTOR");
-		}
-
-
-		public static FORMATETC CreateFormatEtc(ushort iFormat)
-		{
-			FORMATETC fmt = new FORMATETC();
-			fmt.cfFormat = iFormat;
-			fmt.ptd = IntPtr.Zero;
-			fmt.dwAspect = (uint)DVASPECT.DVASPECT_CONTENT;
-			fmt.lindex = -1;
-			fmt.tymed = (uint)TYMED.TYMED_HGLOBAL;
-			return fmt;
-		}
-
-		public static int QueryGetData(Microsoft.VisualStudio.OLE.Interop.IDataObject pDataObject, ref FORMATETC fmtetc)
-		{
-			int returnValue = VSConstants.E_FAIL;
-			FORMATETC[] af = new FORMATETC[1];
-			af[0] = fmtetc;
-			try
-			{
-				int result = ErrorHandler.ThrowOnFailure(pDataObject.QueryGetData(af));
-				if(result == VSConstants.S_OK)
-				{
-					fmtetc = af[0];
-					returnValue = VSConstants.S_OK;
-				}
-			}
-			catch(COMException e)
-			{
-				Trace.WriteLine("COMException : " + e.Message);
-				returnValue = e.ErrorCode;
-			}
-
-			return returnValue;
-		}
-
-		public static STGMEDIUM GetData(Microsoft.VisualStudio.OLE.Interop.IDataObject pDataObject, ref FORMATETC fmtetc)
-		{
-			FORMATETC[] af = new FORMATETC[1];
-			af[0] = fmtetc;
-			STGMEDIUM[] sm = new STGMEDIUM[1];
-			pDataObject.GetData(af, sm);
-			fmtetc = af[0];
-			return sm[0];
-		}
-
-		/// <summary>
-		/// Retrives data from a VS format.
-		/// </summary>
-		public static List<string> GetDroppedFiles(ushort format, Microsoft.VisualStudio.OLE.Interop.IDataObject dataObject, out DropDataType ddt)
-		{
-			ddt = DropDataType.None;
-			List<string> droppedFiles = new List<string>();
-
-			// try HDROP
-			FORMATETC fmtetc = CreateFormatEtc(format);
-
-			if(QueryGetData(dataObject, ref fmtetc) == VSConstants.S_OK)
-			{
-				STGMEDIUM stgmedium = DragDropHelper.GetData(dataObject, ref fmtetc);
-				if(stgmedium.tymed == (uint)TYMED.TYMED_HGLOBAL)
-				{
-					// We are releasing the cloned hglobal here.
-					IntPtr dropInfoHandle = stgmedium.unionmember;
-					if(dropInfoHandle != IntPtr.Zero)
-					{
-						ddt = DropDataType.Shell;
-						try
-						{
-							uint numFiles = UnsafeNativeMethods.DragQueryFile(dropInfoHandle, 0xFFFFFFFF, null, 0);
-
-							// We are a directory based project thus a projref string is placed on the clipboard.
-							// We assign the maximum length of a projref string.
-							// The format of a projref is : <Proj Guid>|<project rel path>|<file path>
-							uint lenght = (uint)Guid.Empty.ToString().Length + 2 * NativeMethods.MAX_PATH + 2;
-							char[] moniker = new char[lenght + 1];
-							for(uint fileIndex = 0; fileIndex < numFiles; fileIndex++)
-							{
-								uint queryFileLength = UnsafeNativeMethods.DragQueryFile(dropInfoHandle, fileIndex, moniker, lenght);
-								string filename = new String(moniker, 0, (int)queryFileLength);
-								droppedFiles.Add(filename);
-							}
-						}
-						finally
-						{
-							Marshal.FreeHGlobal(dropInfoHandle);
-						}
-					}
-				}
-			}
-
-			return droppedFiles;
-		}
-
-
-
-		public static string GetSourceProjectPath(Microsoft.VisualStudio.OLE.Interop.IDataObject dataObject)
-		{
-			string projectPath = null;
-			FORMATETC fmtetc = CreateFormatEtc(CF_VSPROJECTCLIPDESCRIPTOR);
-
-			if(QueryGetData(dataObject, ref fmtetc) == VSConstants.S_OK)
-			{
-				STGMEDIUM stgmedium = DragDropHelper.GetData(dataObject, ref fmtetc);
-				if(stgmedium.tymed == (uint)TYMED.TYMED_HGLOBAL)
-				{
-					// We are releasing the cloned hglobal here.
-					IntPtr dropInfoHandle = stgmedium.unionmember;
-					if(dropInfoHandle != IntPtr.Zero)
-					{
-						try
-						{
-							string path = GetData(dropInfoHandle);
-
-							// Clone the path that we can release our memory.
-							if(!String.IsNullOrEmpty(path))
-							{
-								projectPath = String.Copy(path);
-							}
-						}
-						finally
-						{
-							Marshal.FreeHGlobal(dropInfoHandle);
-						}
-					}
-				}
-			}
-
-			return projectPath;
-		}
-
-		/// <summary>
-		/// Returns the data packed after the DROPFILES structure.
-		/// </summary>
-		/// <param name="dropHandle"></param>
-		/// <returns></returns>
-		internal static string GetData(IntPtr dropHandle)
-		{
-			IntPtr data = UnsafeNativeMethods.GlobalLock(dropHandle);
-			try
-			{
-				_DROPFILES df = (_DROPFILES)Marshal.PtrToStructure(data, typeof(_DROPFILES));
-				if(df.fWide != 0)
-				{
-					IntPtr pdata = new IntPtr((long)data + df.pFiles);
-					return Marshal.PtrToStringUni(pdata);
-				}
-			}
-			finally
-			{
-				if(data != null)
-				{
-					UnsafeNativeMethods.GlobalUnLock(data);
-				}
-			}
-
-			return null;
-		}
-
-		internal static IntPtr CopyHGlobal(IntPtr data)
-		{
-			IntPtr src = UnsafeNativeMethods.GlobalLock(data);
-			int size = UnsafeNativeMethods.GlobalSize(data);
-			IntPtr ptr = Marshal.AllocHGlobal(size);
-			IntPtr buffer = UnsafeNativeMethods.GlobalLock(ptr);
-
-			try
-			{
-				for(int i = 0; i < size; i++)
-				{
-					byte val = Marshal.ReadByte(new IntPtr((long)src + i));
-
-					Marshal.WriteByte(new IntPtr((long)buffer + i), val);
-				}
-			}
-			finally
-			{
-				if(buffer != IntPtr.Zero)
-				{
-					UnsafeNativeMethods.GlobalUnLock(buffer);
-				}
-
-				if(src != IntPtr.Zero)
-				{
-					UnsafeNativeMethods.GlobalUnLock(src);
-				}
-			}
-			return ptr;
-		}
-
-		internal static void CopyStringToHGlobal(string s, IntPtr data, int bufferSize)
-		{
-			Int16 nullTerminator = 0;
-			int dwSize = Marshal.SizeOf(nullTerminator);
-
-			if((s.Length + 1) * Marshal.SizeOf(s[0]) > bufferSize)
-				throw new System.IO.InternalBufferOverflowException();
-			// IntPtr memory already locked...
-			for(int i = 0, len = s.Length; i < len; i++)
-			{
-				Marshal.WriteInt16(data, i * dwSize, s[i]);
-			}
-			// NULL terminate it
-			Marshal.WriteInt16(new IntPtr((long)data + (s.Length * dwSize)), nullTerminator);
-		}
-
-	} // end of dragdrophelper
-
-	internal class EnumSTATDATA : IEnumSTATDATA
-	{
-		IEnumerable i;
-
-		IEnumerator e;
-
-		public EnumSTATDATA(IEnumerable i)
-		{
-			this.i = i;
-			this.e = i.GetEnumerator();
-		}
-
-		void IEnumSTATDATA.Clone(out IEnumSTATDATA clone)
-		{
-			clone = new EnumSTATDATA(i);
-		}
-
-		int IEnumSTATDATA.Next(uint celt, STATDATA[] d, out uint fetched)
-		{
-			uint rc = 0;
-			//uint size = (fetched != null) ? fetched[0] : 0;
-			for(uint i = 0; i < celt; i++)
-			{
-				if(e.MoveNext())
-				{
-					STATDATA sdata = (STATDATA)e.Current;
-
-					rc++;
-					if(d != null && d.Length > i)
-					{
-						d[i] = sdata;
-					}
-				}
-			}
-
-			fetched = rc;
-			return 0;
-		}
-
-		int IEnumSTATDATA.Reset()
-		{
-			e.Reset();
-			return 0;
-		}
-
-		int IEnumSTATDATA.Skip(uint celt)
-		{
-			for(uint i = 0; i < celt; i++)
-			{
-				e.MoveNext();
-			}
-
-			return 0;
-		}
-	}
-
-	internal class EnumFORMATETC : IEnumFORMATETC
-	{
-		IEnumerable cache; // of DataCacheEntrys.
-
-		DATADIR dir;
-
-		IEnumerator e;
-
-		public EnumFORMATETC(DATADIR dir, IEnumerable cache)
-		{
-			this.cache = cache;
-			this.dir = dir;
-			e = cache.GetEnumerator();
-		}
-
-		void IEnumFORMATETC.Clone(out IEnumFORMATETC clone)
-		{
-			clone = new EnumFORMATETC(dir, cache);
-		}
-
-		int IEnumFORMATETC.Next(uint celt, FORMATETC[] d, uint[] fetched)
-		{
-			uint rc = 0;
-			//uint size = (fetched != null) ? fetched[0] : 0;
-			for(uint i = 0; i < celt; i++)
-			{
-				if(e.MoveNext())
-				{
-					DataCacheEntry entry = (DataCacheEntry)e.Current;
-
-					rc++;
-					if(d != null && d.Length > i)
-					{
-						d[i] = entry.Format;
-					}
-				}
-				else
-				{
-					return VSConstants.S_FALSE;
-				}
-			}
-
-			if(fetched != null && fetched.Length > 0)
-				fetched[0] = rc;
-			return VSConstants.S_OK;
-		}
-
-		int IEnumFORMATETC.Reset()
-		{
-			e.Reset();
-			return 0;
-		}
-
-		int IEnumFORMATETC.Skip(uint celt)
-		{
-			for(uint i = 0; i < celt; i++)
-			{
-				e.MoveNext();
-			}
-
-			return 0;
-		}
-	}
-}