First round of dead file removal

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

Index: experimental/visual_studio_plugin/third_party/Microsoft.VisualStudio.Project/ProjectElement.cs
diff --git a/experimental/visual_studio_plugin/third_party/Microsoft.VisualStudio.Project/ProjectElement.cs b/experimental/visual_studio_plugin/third_party/Microsoft.VisualStudio.Project/ProjectElement.cs
deleted file mode 100644
index a0d095b0b35c8e55e3a4a450438c411e0bb902e6..0000000000000000000000000000000000000000
--- a/experimental/visual_studio_plugin/third_party/Microsoft.VisualStudio.Project/ProjectElement.cs
+++ /dev/null
@@ -1,407 +0,0 @@
-/// Copyright (c) Microsoft Corporation.  All rights reserved.
-
-using System;
-using System.Collections.Generic;
-using System.Diagnostics;
-using System.Globalization;
-using System.IO;
-using System.Runtime.InteropServices;
-using Microsoft.VisualStudio;
-using MSBuild = Microsoft.Build.BuildEngine;
-
-namespace Microsoft.VisualStudio.Project
-{
-
-	/// <summary>
-	/// This class represent a project item (usualy a file) and allow getting and
-	/// setting attribute on it.
-	/// This class allow us to keep the internal details of our items hidden from
-	/// our derived classes.
-	/// While the class itself is public so it can be manipulated by derived classes,
-	/// its internal constructors make sure it can only be created from within the assembly.
-	/// </summary>
-	public sealed class ProjectElement
-	{
-		#region fields
-		private MSBuild.BuildItem item;
-		private ProjectNode itemProject;
-		private bool deleted;
-		private bool isVirtual;
-		private Dictionary<string, string> virtualProperties;
-		#endregion
-
-		#region properties
-		public string ItemName
-		{
-			get
-			{
-				if(this.HasItemBeenDeleted())
-				{
-					return String.Empty;
-				}
-				else
-				{
-					return this.item.Name;
-				}
-			}
-			set
-			{
-				if(!this.HasItemBeenDeleted())
-				{
-					// Check out the project file.
-					if(!this.itemProject.QueryEditProjectFile(false))
-					{
-						throw Marshal.GetExceptionForHR(VSConstants.OLE_E_PROMPTSAVECANCELLED);
-					}
-
-					this.item.Name = value;
-				}
-			}
-		}
-
-		internal MSBuild.BuildItem Item
-		{
-			get
-			{
-				return this.item;
-			}
-		}
-
-		internal bool IsVirtual
-		{
-			get
-			{
-				return this.isVirtual;
-			}
-		}
-		#endregion
-
-		#region ctors
-		/// <summary>
-		/// Constructor to create a new MSBuild.BuildItem and add it to the project
-		/// Only have internal constructors as the only one who should be creating
-		/// such object is the project itself (see Project.CreateFileNode()).
-		/// </summary>
-		internal ProjectElement(ProjectNode project, string itemPath, string itemType)
-		{
-			if(project == null)
-			{
-				throw new ArgumentNullException("project");
-			}
-
-			if(String.IsNullOrEmpty(itemPath))
-			{
-				throw new ArgumentException(SR.GetString(SR.ParameterCannotBeNullOrEmpty, CultureInfo.CurrentUICulture), "itemPath");
-			}
-
-
-			if(String.IsNullOrEmpty(itemType))
-			{
-				throw new ArgumentException(SR.GetString(SR.ParameterCannotBeNullOrEmpty, CultureInfo.CurrentUICulture), "itemType");
-			}
-
-			this.itemProject = project;
-
-			// create and add the item to the project
-
-			this.item = project.BuildProject.AddNewItem(itemType, Microsoft.Build.BuildEngine.Utilities.Escape(itemPath));
-			this.itemProject.SetProjectFileDirty(true);
-			this.RefreshProperties();
-		}
-
-		/// <summary>
-		/// Constructor to Wrap an existing MSBuild.BuildItem
-		/// Only have internal constructors as the only one who should be creating
-		/// such object is the project itself (see Project.CreateFileNode()).
-		/// </summary>
-		/// <param name="project">Project that owns this item</param>
-		/// <param name="existingItem">an MSBuild.BuildItem; can be null if virtualFolder is true</param>
-		/// <param name="virtualFolder">Is this item virtual (such as reference folder)</param>
-		internal ProjectElement(ProjectNode project, MSBuild.BuildItem existingItem, bool virtualFolder)
-		{
-			if(project == null)
-				throw new ArgumentNullException("project");
-			if(!virtualFolder && existingItem == null)
-				throw new ArgumentNullException("existingItem");
-
-			// Keep a reference to project and item
-			this.itemProject = project;
-			this.item = existingItem;
-			this.isVirtual = virtualFolder;
-
-			if(this.isVirtual)
-				this.virtualProperties = new Dictionary<string, string>();
-		}
-		#endregion
-
-		#region public methods
-		/// <summary>
-		/// Calling this method remove this item from the project file.
-		/// Once the item is delete, you should not longer be using it.
-		/// Note that the item should be removed from the hierarchy prior to this call.
-		/// </summary>
-		public void RemoveFromProjectFile()
-		{
-			if(!deleted && item != null)
-			{
-				deleted = true;
-				itemProject.BuildProject.RemoveItem(item);
-			}
-			itemProject = null;
-			item = null;
-		}
-
-		/// <summary>
-		/// Set an attribute on the project element
-		/// </summary>
-		/// <param name="attributeName">Name of the attribute to set</param>
-		/// <param name="attributeValue">Value to give to the attribute</param>
-		public void SetMetadata(string attributeName, string attributeValue)
-		{
-			Debug.Assert(String.Compare(attributeName, ProjectFileConstants.Include, StringComparison.OrdinalIgnoreCase) != 0, "Use rename as this won't work");
-
-			if(this.IsVirtual)
-			{
-				// For virtual node, use our virtual property collection
-				if(virtualProperties.ContainsKey(attributeName))
-					virtualProperties.Remove(attributeName);
-				virtualProperties.Add(attributeName, attributeValue);
-				return;
-			}
-
-			// Build Action is the type, not a property, so intercept
-			if(String.Compare(attributeName, ProjectFileConstants.BuildAction, StringComparison.OrdinalIgnoreCase) == 0)
-			{
-				item.Name = attributeValue;
-				return;
-			}
-
-			// Check out the project file.
-			if(!this.itemProject.QueryEditProjectFile(false))
-			{
-				throw Marshal.GetExceptionForHR(VSConstants.OLE_E_PROMPTSAVECANCELLED);
-			}
-
-			if(attributeValue == null)
-				item.RemoveMetadata(attributeName);
-			else
-				item.SetMetadata(attributeName, attributeValue);
-			itemProject.SetProjectFileDirty(true);
-		}
-
-		public string GetEvaluatedMetadata(string attributeName)
-		{
-			if(this.IsVirtual)
-			{
-				// For virtual items, use our virtual property collection
-				if(!virtualProperties.ContainsKey(attributeName))
-				{
-					return String.Empty;
-				}
-				return virtualProperties[attributeName];
-			}
-
-			// cannot ask MSBuild for Include, so intercept it and return the corresponding property
-			if(String.Compare(attributeName, ProjectFileConstants.Include, StringComparison.OrdinalIgnoreCase) == 0)
-			{
-				return item.FinalItemSpec;
-			}
-
-			// Build Action is the type, not a property, so intercept this one as well
-			if(String.Compare(attributeName, ProjectFileConstants.BuildAction, StringComparison.OrdinalIgnoreCase) == 0)
-			{
-				return item.Name;
-			}
-
-			return item.GetEvaluatedMetadata(attributeName);
-		}
-
-		/// <summary>
-		/// Get the value of an attribute on a project element
-		/// </summary>
-		/// <param name="attributeName">Name of the attribute to get the value for</param>
-		/// <returns>Value of the attribute</returns>
-		public string GetMetadata(string attributeName)
-		{
-			if(this.IsVirtual)
-			{
-				// For virtual items, use our virtual property collection
-				if(!virtualProperties.ContainsKey(attributeName))
-					return String.Empty;
-				return virtualProperties[attributeName];
-			}
-
-			// cannot ask MSBuild for Include, so intercept it and return the corresponding property
-			if(String.Compare(attributeName, ProjectFileConstants.Include, StringComparison.OrdinalIgnoreCase) == 0)
-				return item.FinalItemSpec;
-
-			// Build Action is the type, not a property, so intercept this one as well
-			if(String.Compare(attributeName, ProjectFileConstants.BuildAction, StringComparison.OrdinalIgnoreCase) == 0)
-				return item.Name;
-
-			return item.GetMetadata(attributeName);
-		}
-
-		/// <summary>
-		/// Gets the attribute and throws the handed exception if the exception if the attribute is empty or null.
-		/// </summary>
-		/// <param name="attributeName">The name of the attribute to get.</param>
-		/// <param name="exception">The exception to be thrown if not found or empty.</param>
-		/// <returns>The attribute if found</returns>
-		/// <remarks>The method will throw an Exception and neglect the passed in exception if the attribute is deleted</remarks>
-		public string GetMetadataAndThrow(string attributeName, Exception exception)
-		{
-			Debug.Assert(!String.IsNullOrEmpty(attributeName), "Cannot retrieve an attribute for a null or empty attribute name");
-			string attribute = GetMetadata(attributeName);
-
-			if(String.IsNullOrEmpty(attributeName) && exception != null)
-			{
-				if(String.IsNullOrEmpty(exception.Message))
-				{
-					Debug.Assert(!String.IsNullOrEmpty(this.itemProject.BaseURI.AbsoluteUrl), "Cannot retrieve an attribute for a project that does not have a name");
-					string message = String.Format(CultureInfo.CurrentCulture, SR.GetString(SR.AttributeLoad, CultureInfo.CurrentUICulture), attributeName, this.itemProject.BaseURI.AbsoluteUrl);
-					throw new Exception(message, exception);
-				}
-				throw exception;
-			}
-
-			return attribute;
-		}
-
-
-		public void Rename(string newPath)
-		{
-			string escapedPath = Microsoft.Build.BuildEngine.Utilities.Escape(newPath);
-			if(this.IsVirtual)
-			{
-				virtualProperties[ProjectFileConstants.Include] = escapedPath;
-				return;
-			}
-
-			item.Include = escapedPath;
-			this.RefreshProperties();
-		}
-
-
-		/// <summary>
-		/// Reevaluate all properties for the current item
-		/// This should be call if you believe the property for this item
-		/// may have changed since it was created/refreshed, or global properties
-		/// this items depends on have changed.
-		/// Be aware that there is a perf cost in calling this function.
-		/// </summary>
-		public void RefreshProperties()
-		{
-			if(this.IsVirtual)
-				return;
-
-			MSBuild.BuildItemGroup items = itemProject.BuildProject.EvaluatedItems;
-			foreach(MSBuild.BuildItem projectItem in items)
-			{
-				if(projectItem.Include == item.Include)
-				{
-					item = projectItem;
-					return;
-				}
-			}
-		}
-
-		/// <summary>
-		/// Return an absolute path for the passed in element.
-		/// If the element is already an absolute path, it is returned.
-		/// Otherwise, it is unrelativized using the project directory
-		/// as the base.
-		/// Note that any ".." in the paths will be resolved.
-		/// 
-		/// For non-file system based project, it may make sense to override.
-		/// </summary>
-		/// <returns>FullPath</returns>
-		public string GetFullPathForElement()
-		{
-			string path = this.GetMetadata(ProjectFileConstants.Include);
-			if(!Path.IsPathRooted(path))
-				path = Path.Combine(this.itemProject.ProjectFolder, path);
-
-			// If any part of the path used relative paths, resolve this now
-			path = Path.GetFullPath(path);
-			return path;
-		}
-
-		#endregion
-
-		#region helper methods
-		/// <summary>
-		/// Has the item been deleted
-		/// </summary>
-		private bool HasItemBeenDeleted()
-		{
-			return (this.deleted || this.item == null);
-		}
-		#endregion
-
-		#region overridden from System.Object
-		public static bool operator ==(ProjectElement element1, ProjectElement element2)
-		{
-			// Do they reference the same element?
-			if(Object.ReferenceEquals(element1, element2))
-				return true;
-
-			// Verify that they are not null (cast to object first to avoid stack overflow)
-			if(element1 as object == null || element2 as object == null)
-			{
-				return false;
-			}
-
-			Debug.Assert(!element1.IsVirtual || !element2.IsVirtual, "Cannot compare virtual nodes");
-
-			// Cannot compare vitual items.
-			if(element1.IsVirtual || element2.IsVirtual)
-			{
-				return false;
-			}
-
-			// Do they reference the same project?
-			if(!element1.itemProject.Equals(element2.itemProject))
-				return false;
-
-			// Do they have the same include?
-			string include1 = element1.GetMetadata(ProjectFileConstants.Include);
-			string include2 = element2.GetMetadata(ProjectFileConstants.Include);
-
-			// Unfortunately the checking for nulls have to be done again, since neither String.Equals nor String.Compare can handle nulls.
-			// Virtual folders should not be handled here.
-			if(include1 == null || include2 == null)
-			{
-				return false;
-			}
-
-			return String.Equals(include1, include2, StringComparison.CurrentCultureIgnoreCase);
-		}
-
-
-		public static bool operator !=(ProjectElement element1, ProjectElement element2)
-		{
-			return !(element1 == element2);
-		}
-
-
-		public override bool Equals(object obj)
-		{
-			ProjectElement element2 = obj as ProjectElement;
-			if(element2 == null)
-				return false;
-
-			return this == element2;
-		}
-
-
-		public override int GetHashCode()
-		{
-			return base.GetHashCode();
-		}
-		#endregion
-
-
-
-	}
-}