First round of dead file removal

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

Index: experimental/visual_studio_plugin/third_party/Microsoft.VisualStudio.Project/SingleFileGenerator.cs
diff --git a/experimental/visual_studio_plugin/third_party/Microsoft.VisualStudio.Project/SingleFileGenerator.cs b/experimental/visual_studio_plugin/third_party/Microsoft.VisualStudio.Project/SingleFileGenerator.cs
deleted file mode 100644
index 1f2481259befc679e7bd14317d27d57c0bbe9993..0000000000000000000000000000000000000000
--- a/experimental/visual_studio_plugin/third_party/Microsoft.VisualStudio.Project/SingleFileGenerator.cs
+++ /dev/null
@@ -1,508 +0,0 @@
-/// Copyright (c) Microsoft Corporation.  All rights reserved.
-
-using System;
-using System.Diagnostics;
-using System.Globalization;
-using System.IO;
-using System.Runtime.InteropServices;
-using Microsoft.VisualStudio;
-using Microsoft.VisualStudio.OLE.Interop;
-using Microsoft.VisualStudio.Shell.Interop;
-using Microsoft.VisualStudio.TextManager.Interop;
-
-namespace Microsoft.VisualStudio.Project
-{
-	/// <summary>
-	/// Provides support for single file generator.
-	/// </summary>
-	internal class SingleFileGenerator : ISingleFileGenerator, IVsGeneratorProgress
-	{
-
-		#region fields
-		private bool gettingCheckoutStatus;
-		private bool runningGenerator;
-		private ProjectNode projectMgr;
-		#endregion
-
-		#region ctors
-		/// <summary>
-		/// Overloadde ctor.
-		/// </summary>
-		/// <param name="ProjectNode">The associated project</param>
-		internal SingleFileGenerator(ProjectNode projectMgr)
-		{
-			this.projectMgr = projectMgr;
-		}
-		#endregion
-
-		#region IVsGeneratorProgress Members
-
-		public virtual int GeneratorError(int warning, uint level, string err, uint line, uint col)
-		{
-			return VSConstants.E_NOTIMPL;
-		}
-
-		public virtual int Progress(uint complete, uint total)
-		{
-			return VSConstants.E_NOTIMPL;
-		}
-
-		#endregion
-
-		#region ISingleFileGenerator
-		/// <summary>
-		/// Runs the generator on the current project item.
-		/// </summary>
-		/// <param name="document"></param>
-		/// <returns></returns>
-		public virtual void RunGenerator(string document)
-		{
-			// Go run the generator on that node, but only if the file is dirty
-			// in the running document table.  Otherwise there is no need to rerun
-			// the generator because if the original document is not dirty then
-			// the generated output should be already up to date.
-			uint itemid = VSConstants.VSITEMID_NIL;
-			IVsHierarchy hier = (IVsHierarchy)this.projectMgr;
-			if(document != null && hier != null && ErrorHandler.Succeeded(hier.ParseCanonicalName((string)document, out itemid)))
-			{
-				IVsHierarchy rdtHier;
-				IVsPersistDocData perDocData;
-				uint cookie;
-				if(this.VerifyFileDirtyInRdt((string)document, out rdtHier, out perDocData, out cookie))
-				{
-					// Run the generator on the indicated document
-					FileNode node = (FileNode)this.projectMgr.NodeFromItemId(itemid);
-					this.InvokeGenerator(node);
-				}
-			}
-		}
-		#endregion
-
-		#region virtual methods
-		/// <summary>
-		/// Invokes the specified generator
-		/// </summary>
-		/// <param name="fileNode">The node on which to invoke the generator.</param>
-		protected internal virtual void InvokeGenerator(FileNode fileNode)
-		{
-			if(fileNode == null)
-			{
-				throw new ArgumentNullException("fileNode");
-			}
-
-			SingleFileGeneratorNodeProperties nodeproperties = fileNode.NodeProperties as SingleFileGeneratorNodeProperties;
-			if(nodeproperties == null)
-			{
-				throw new InvalidOperationException();
-			}
-
-			string customToolProgID = nodeproperties.CustomTool;
-			if(string.IsNullOrEmpty(customToolProgID))
-			{
-				return;
-			}
-
-			string customToolNamespace = nodeproperties.CustomToolNamespace;
-
-			try
-			{
-				if(!this.runningGenerator)
-				{
-					//Get the buffer contents for the current node
-					string moniker = fileNode.GetMkDocument();
-
-					this.runningGenerator = true;
-
-					//Get the generator
-					IVsSingleFileGenerator generator;
-					int generateDesignTimeSource;
-					int generateSharedDesignTimeSource;
-					int generateTempPE;
-					SingleFileGeneratorFactory factory = new SingleFileGeneratorFactory(this.projectMgr.ProjectGuid, this.projectMgr.Site);
-					ErrorHandler.ThrowOnFailure(factory.CreateGeneratorInstance(customToolProgID, out generateDesignTimeSource, out generateSharedDesignTimeSource, out generateTempPE, out generator));
-
-					//Check to see if the generator supports siting
-					IObjectWithSite objWithSite = generator as IObjectWithSite;
-					if(objWithSite != null)
-					{
-						objWithSite.SetSite(fileNode.OleServiceProvider);
-					}
-
-					//Determine the namespace
-					if(string.IsNullOrEmpty(customToolNamespace))
-					{
-						customToolNamespace = this.ComputeNamespace(moniker);
-					}
-
-					//Run the generator
-					IntPtr[] output = new IntPtr[1];
-					output[0] = IntPtr.Zero;
-					uint outPutSize;
-					string extension;
-					ErrorHandler.ThrowOnFailure(generator.DefaultExtension(out extension));
-
-					//Find if any dependent node exists
-					string dependentNodeName = Path.GetFileNameWithoutExtension(fileNode.FileName) + extension;
-					HierarchyNode dependentNode = fileNode.FirstChild;
-					while(dependentNode != null)
-					{
-						if(string.Compare(dependentNode.ItemNode.GetMetadata(ProjectFileConstants.DependentUpon), fileNode.FileName, StringComparison.OrdinalIgnoreCase) == 0)
-						{
-							dependentNodeName = ((FileNode)dependentNode).FileName;
-							break;
-						}
-
-						dependentNode = dependentNode.NextSibling;
-					}
-
-					//If you found a dependent node. 
-					if(dependentNode != null)
-					{
-						//Then check out the node and dependent node from SCC
-						if(!this.CanEditFile(dependentNode.GetMkDocument()))
-						{
-							throw Marshal.GetExceptionForHR(VSConstants.OLE_E_PROMPTSAVECANCELLED);
-						}
-					}
-					else //It is a new node to be added to the project
-					{
-						// Check out the project file if necessary.
-						if(!this.projectMgr.QueryEditProjectFile(false))
-						{
-							throw Marshal.GetExceptionForHR(VSConstants.OLE_E_PROMPTSAVECANCELLED);
-						}
-					}
-					IVsTextStream stream;
-					string inputFileContents = this.GetBufferContents(moniker, out stream);
-
-					ErrorHandler.ThrowOnFailure(generator.Generate(moniker, inputFileContents, customToolNamespace, output, out outPutSize, this));
-					byte[] data = new byte[outPutSize];
-
-					if(output[0] != IntPtr.Zero)
-					{
-						Marshal.Copy(output[0], data, 0, (int)outPutSize);
-						Marshal.FreeCoTaskMem(output[0]);
-					}
-
-					//Todo - Create a file and add it to the Project
-					this.UpdateGeneratedCodeFile(fileNode, data, (int)outPutSize, dependentNodeName);
-				}
-			}
-			finally
-			{
-				this.runningGenerator = false;
-			}
-		}
-
-		/// <summary>
-		/// Computes the names space based on the folder for the ProjectItem. It just replaces DirectorySeparatorCharacter
-		/// with "." for the directory in which the file is located.
-		/// </summary>
-		/// <returns>Returns the computed name space</returns>
-		protected virtual string ComputeNamespace(string projectItemPath)
-		{
-			if(String.IsNullOrEmpty(projectItemPath))
-			{
-				throw new ArgumentException(SR.GetString(SR.ParameterCannotBeNullOrEmpty, CultureInfo.CurrentUICulture), "projectItemPath");
-			}
-
-
-			string nspace = "";
-			string filePath = Path.GetDirectoryName(projectItemPath);
-			string[] toks = filePath.Split(new char[] { ':', '\\' });
-			foreach(string tok in toks)
-			{
-				if(!String.IsNullOrEmpty(tok))
-				{
-					string temp = tok.Replace(" ", "");
-					nspace += (temp + ".");
-				}
-			}
-			nspace = nspace.Remove(nspace.LastIndexOf(".", StringComparison.Ordinal), 1);
-			return nspace;
-		}
-
-		/// <summary>
-		/// This is called after the single file generator has been invoked to create or update the code file.
-		/// </summary>
-		/// <param name="fileNode">The node associated to the generator</param>
-		/// <param name="data">data to update the file with</param>
-		/// <param name="size">size of the data</param>
-		/// <param name="fileName">Name of the file to update or create</param>
-		/// <returns>full path of the file</returns>
-		protected virtual string UpdateGeneratedCodeFile(FileNode fileNode, byte[] data, int size, string fileName)
-		{
-			string filePath = Path.Combine(Path.GetDirectoryName(fileNode.GetMkDocument()), fileName);
-			IVsRunningDocumentTable rdt = this.projectMgr.GetService(typeof(SVsRunningDocumentTable)) as IVsRunningDocumentTable;
-
-			// Shouldn't this be an InvalidOperationException instead with some not to annoying errormessage to the user?
-			if(rdt == null)
-			{
-				ErrorHandler.ThrowOnFailure(VSConstants.E_FAIL);
-			}
-
-			IVsHierarchy hier;
-			uint cookie;
-			uint itemid;
-			IntPtr docData = IntPtr.Zero;
-			ErrorHandler.ThrowOnFailure(rdt.FindAndLockDocument((uint)(_VSRDTFLAGS.RDT_NoLock), filePath, out hier, out itemid, out docData, out cookie));
-			if(docData != IntPtr.Zero)
-			{
-				Marshal.Release(docData);
-				IVsTextStream srpStream = null;
-				if(srpStream != null)
-				{
-					int oldLen = 0;
-					int hr = srpStream.GetSize(out oldLen);
-					if(ErrorHandler.Succeeded(hr))
-					{
-						IntPtr dest = IntPtr.Zero;
-						try
-						{
-							dest = Marshal.AllocCoTaskMem(data.Length);
-							Marshal.Copy(data, 0, dest, data.Length);
-							ErrorHandler.ThrowOnFailure(srpStream.ReplaceStream(0, oldLen, dest, size / 2));
-						}
-						finally
-						{
-							if(dest != IntPtr.Zero)
-							{
-								Marshal.Release(dest);
-							}
-						}
-					}
-				}
-			}
-			else
-			{
-				using(FileStream generatedFileStream = File.Open(filePath, FileMode.OpenOrCreate))
-				{
-					generatedFileStream.Write(data, 0, size);
-				}
-
-				EnvDTE.ProjectItem projectItem = fileNode.GetAutomationObject() as EnvDTE.ProjectItem;
-				if(projectItem != null && (this.projectMgr.FindChild(fileNode.FileName) == null))
-				{
-					projectItem.ProjectItems.AddFromFile(filePath);
-				}
-			}
-			return filePath;
-		}
-		#endregion
-
-		#region helpers
-		/// <summary>
-		/// Returns the buffer contents for a moniker.
-		/// </summary>
-		/// <returns>Buffer contents</returns>
-		private string GetBufferContents(string fileName, out IVsTextStream srpStream)
-		{
-			Guid CLSID_VsTextBuffer = new Guid("{8E7B96A8-E33D-11d0-A6D5-00C04FB67F6A}");
-			string bufferContents = "";
-			srpStream = null;
-
-			IVsRunningDocumentTable rdt = this.projectMgr.GetService(typeof(SVsRunningDocumentTable)) as IVsRunningDocumentTable;
-			if(rdt != null)
-			{
-				IVsHierarchy hier;
-				IVsPersistDocData persistDocData;
-				uint itemid, cookie;
-				bool docInRdt = true;
-				IntPtr docData = IntPtr.Zero;
-				int hr = NativeMethods.E_FAIL;
-				try
-				{
-					//Getting a read lock on the document. Must be released later.
-					hr = rdt.FindAndLockDocument((uint)_VSRDTFLAGS.RDT_ReadLock, fileName, out hier, out itemid, out docData, out cookie);
-					if(ErrorHandler.Failed(hr) || docData == IntPtr.Zero)
-					{
-						Guid iid = VSConstants.IID_IUnknown;
-						cookie = 0;
-						docInRdt = false;
-						ILocalRegistry localReg = this.projectMgr.GetService(typeof(SLocalRegistry)) as ILocalRegistry;
-						ErrorHandler.ThrowOnFailure(localReg.CreateInstance(CLSID_VsTextBuffer, null, ref iid, (uint)CLSCTX.CLSCTX_INPROC_SERVER, out docData));
-					}
-
-					persistDocData = Marshal.GetObjectForIUnknown(docData) as IVsPersistDocData;
-				}
-				finally
-				{
-					if(docData != IntPtr.Zero)
-					{
-						Marshal.Release(docData);
-					}
-				}
-
-				//Try to get the Text lines
-				IVsTextLines srpTextLines = persistDocData as IVsTextLines;
-				if(srpTextLines == null)
-				{
-					// Try getting a text buffer provider first
-					IVsTextBufferProvider srpTextBufferProvider = persistDocData as IVsTextBufferProvider;
-					if(srpTextBufferProvider != null)
-					{
-						hr = srpTextBufferProvider.GetTextBuffer(out srpTextLines);
-					}
-				}
-
-				if(ErrorHandler.Succeeded(hr))
-				{
-					srpStream = srpTextLines as IVsTextStream;
-					if(srpStream != null)
-					{
-						// QI for IVsBatchUpdate and call FlushPendingUpdates if they support it
-						IVsBatchUpdate srpBatchUpdate = srpStream as IVsBatchUpdate;
-						if(srpBatchUpdate != null)
-							ErrorHandler.ThrowOnFailure(srpBatchUpdate.FlushPendingUpdates(0));
-
-						int lBufferSize = 0;
-						hr = srpStream.GetSize(out lBufferSize);
-
-						if(ErrorHandler.Succeeded(hr))
-						{
-							IntPtr dest = IntPtr.Zero;
-							try
-							{
-								// Note that GetStream returns Unicode to us so we don't need to do any conversions
-								dest = Marshal.AllocCoTaskMem((lBufferSize + 1) * 2);
-								ErrorHandler.ThrowOnFailure(srpStream.GetStream(0, lBufferSize, dest));
-								//Get the contents
-								bufferContents = Marshal.PtrToStringUni(dest);
-							}
-							finally
-							{
-								if(dest != IntPtr.Zero)
-									Marshal.FreeCoTaskMem(dest);
-							}
-						}
-					}
-
-				}
-				// Unlock the document in the RDT if necessary
-				if(docInRdt && rdt != null)
-				{
-					ErrorHandler.ThrowOnFailure(rdt.UnlockDocument((uint)(_VSRDTFLAGS.RDT_ReadLock | _VSRDTFLAGS.RDT_Unlock_NoSave), cookie));
-				}
-
-				if(ErrorHandler.Failed(hr))
-				{
-					// If this failed then it's probably not a text file.  In that case,
-					// we just read the file as a binary
-					bufferContents = File.ReadAllText(fileName);
-				}
-
-
-			}
-			return bufferContents;
-		}
-
-		/// <summary>
-		/// Returns TRUE if open and dirty. Note that documents can be open without a
-		/// window frame so be careful. Returns the DocData and doc cookie if requested
-		/// </summary>
-		/// <param name="document">document path</param>
-		/// <param name="pHier">hierarchy</param>
-		/// <param name="ppDocData">doc data associated with document</param>
-		/// <param name="cookie">item cookie</param>
-		/// <returns>True if FIle is dirty</returns>
-		private bool VerifyFileDirtyInRdt(string document, out IVsHierarchy pHier, out IVsPersistDocData ppDocData, out uint cookie)
-		{
-			int ret = 0;
-			pHier = null;
-			ppDocData = null;
-			cookie = 0;
-
-			IVsRunningDocumentTable rdt = this.projectMgr.GetService(typeof(IVsRunningDocumentTable)) as IVsRunningDocumentTable;
-			if(rdt != null)
-			{
-				IntPtr docData;
-				uint dwCookie = 0;
-				IVsHierarchy srpHier;
-				uint itemid = VSConstants.VSITEMID_NIL;
-
-				ErrorHandler.ThrowOnFailure(rdt.FindAndLockDocument((uint)_VSRDTFLAGS.RDT_NoLock, document, out srpHier, out itemid, out docData, out dwCookie));
-				IVsPersistHierarchyItem srpIVsPersistHierarchyItem = srpHier as IVsPersistHierarchyItem;
-				if(srpIVsPersistHierarchyItem != null)
-				{
-					// Found in the RDT. See if it is dirty
-					try
-					{
-						ErrorHandler.ThrowOnFailure(srpIVsPersistHierarchyItem.IsItemDirty(itemid, docData, out ret));
-						cookie = dwCookie;
-						ppDocData = Marshal.GetObjectForIUnknown(docData) as IVsPersistDocData;
-					}
-					finally
-					{
-						if(docData != IntPtr.Zero)
-						{
-							Marshal.Release(docData);
-						}
-
-						pHier = srpHier;
-					}
-				}
-			}
-			return (ret == 1);
-		}
-		#endregion
-
-
-
-
-		#region QueryEditQuerySave helpers
-		/// <summary>
-		/// This function asks to the QueryEditQuerySave service if it is possible to
-		/// edit the file.
-		/// </summary>
-		private bool CanEditFile(string documentMoniker)
-		{
-			Trace.WriteLine(string.Format(CultureInfo.CurrentCulture, "\t**** CanEditFile called ****"));
-
-			// Check the status of the recursion guard
-			if(this.gettingCheckoutStatus)
-			{
-				return false;
-			}
-
-			try
-			{
-				// Set the recursion guard
-				this.gettingCheckoutStatus = true;
-
-				// Get the QueryEditQuerySave service
-				IVsQueryEditQuerySave2 queryEditQuerySave = (IVsQueryEditQuerySave2)this.projectMgr.GetService(typeof(SVsQueryEditQuerySave));
-
-				// Now call the QueryEdit method to find the edit status of this file
-				string[] documents = { documentMoniker };
-				uint result;
-				uint outFlags;
-
-				// Note that this function can popup a dialog to ask the user to checkout the file.
-				// When this dialog is visible, it is possible to receive other request to change
-				// the file and this is the reason for the recursion guard.
-				int hr = queryEditQuerySave.QueryEditFiles(
-					0,              // Flags
-					1,              // Number of elements in the array
-					documents,      // Files to edit
-					null,           // Input flags
-					null,           // Input array of VSQEQS_FILE_ATTRIBUTE_DATA
-					out result,     // result of the checkout
-					out outFlags    // Additional flags
-				);
-
-				if(ErrorHandler.Succeeded(hr) && (result == (uint)tagVSQueryEditResult.QER_EditOK))
-				{
-					// In this case (and only in this case) we can return true from this function.
-					return true;
-				}
-			}
-			finally
-			{
-				this.gettingCheckoutStatus = false;
-			}
-
-			return false;
-		}
-		#endregion
-	}
-}