/// <summary>
/// Initializes a new instance of the <see cref="NodeCollection"/> class.
/// </summary>
/// <param name="parent">The collection's parent folder node.</param>
/// <param name="comparer">A comparer to use for the collection.</param>
protected NodeCollection(FolderNode parent, IComparer comparer) : base(comparer)
{
Tracer.VerifyNonNullArgument(parent, "parent");
this.parent = parent;
}
//==========================================================================================
// Constructors
//==========================================================================================
/// <summary>
/// Initializes a new instance of the <see cref="NodeProperties"/> class.
/// </summary>
protected NodeProperties(Node node)
{
Tracer.VerifyNonNullArgument(node, "node");
this.node = node;
}
public static void TraceRunningDocuments()
{
// Get the RDT (Running Document Table)
IVsRunningDocumentTable rdt = Package.Instance.Context.ServiceProvider.GetService(typeof(IVsRunningDocumentTable)) as IVsRunningDocumentTable;
if (rdt == null)
{
Tracer.WriteLineWarning(classType, "TraceRunningDocuments", "Cannot get an instance of IVsRunningDocumentTable to use for enumerating the running documents.");
return;
}
// Get the enumerator for the currently running documents.
IEnumRunningDocuments enumerator;
int hr = rdt.GetRunningDocumentsEnum(out enumerator);
if (NativeMethods.Failed(hr))
{
Tracer.WriteLineWarning(classType, "TraceRunningDocuments", "Cannot get an instance of IEnumRunningDocuments to use for enumerating the running documents.");
return;
}
// Enumerate.
StringCollection traceLines = new StringCollection();
uint[] cookies = new uint[1];
uint fetchCount;
while (true)
{
hr = enumerator.Next(1, cookies, out fetchCount);
if (NativeMethods.Failed(hr))
{
Tracer.WriteLineWarning(classType, "TraceRunningDocuments", "The enumeration failed for the running documents. Hr=0x{0:X}", hr);
return;
}
if (fetchCount == 0)
{
break;
}
uint cookie = cookies[0];
// We shouldn't be getting a nil cookie.
if (cookie == DocumentInfo.NullCookie)
{
Tracer.WriteLineWarning(classType, "TraceRunningDocuments", "There is a null cookie value in the RDT, which shouldn't be happening.");
}
else
{
// Now we have a document cookie, so let's get some information about it.
DocumentInfo docInfo = Package.Instance.Context.RunningDocumentTable.FindByCookie(cookie);
string traceMessage;
if (docInfo == null)
{
traceMessage = PackageUtility.SafeStringFormatInvariant("The document with cookie '{0}' could not be found in the RDT. There's something weird going on.", cookie);
}
else
{
// Here's where we actually do the trace finally.
traceMessage = PackageUtility.SafeStringFormatInvariant("RDT document: Cookie={0} Path={1} IsOpen={2} IsDirty={3}", docInfo.Cookie, docInfo.AbsolutePath, docInfo.IsOpen, docInfo.IsDirty);
}
// We don't want to trace immediately because we want all of these lines to appear together. If we
// trace immediately, then the messages will be split up.
traceLines.Add(traceMessage);
}
}
// Now trace all of the messages at once.
foreach (string traceMessage in traceLines)
{
Tracer.WriteLine(classType, "TraceRunningDocuments", Tracer.Level.Information, traceMessage);
}
}
/// <summary>
/// Reads the <WindowsInstallerXml> node.
/// </summary>
/// <param name="node">The <see cref="XmlNode"/> to parse.</param>
/// <returns>true if the node was read correctly; otherwise, false.</returns>
protected bool ReadProjectNode(XmlNode node)
{
if (!this.VerifyNode(node, this.ProjectElementName))
{
return(false);
}
// Read and validate all of the required attributes.
// -------------------------------------------------
// SchemaVersion
Version fileSchemaVersion = this.SchemaVersion;
string schemaString = XmlHelperMethods.GetAttributeString(node, AttributeNames.SchemaVersion, this.SchemaVersion.ToString());
try
{
fileSchemaVersion = new Version(schemaString);
}
catch (Exception e)
{
Tracer.WriteLineWarning(classType, "ReadProjectNode", "Cannot parse the SchemaVersion attribute {0}: {1}.", schemaString, e.ToString());
}
if (fileSchemaVersion < this.SchemaVersion)
{
// Right now we only support version 1.0 schemas, but if we ever change the schema
// with new versions then we would need to ask the user if he/she wants to upgrade
// the project to the new schema version.
}
else if (fileSchemaVersion > this.SchemaVersion)
{
string projectFileName = Path.GetFileName(this.Project.FilePath);
string message = Package.Instance.Context.NativeResources.GetString(ResId.IDS_E_PROJECTFILENEWERVERSION, projectFileName);
Package.Instance.Context.ShowErrorMessageBox(message);
return(false);
}
// ProjectGuid
this.Project.ProjectGuid = XmlHelperMethods.GetAttributeGuid(node, AttributeNames.ProjectGuid, Guid.NewGuid());
// Read the rest of the nodes in the project file in any order.
// -----------------------------------------------------------
foreach (XmlNode childNode in node.ChildNodes)
{
bool success = true;
switch (childNode.Name)
{
case ElementNames.BuildSettings:
success = this.ReadBuildSettingsNode(childNode);
break;
case ElementNames.Configurations:
success = this.ReadCollectionNode(childNode, ElementNames.Configurations, ElementNames.Configuration, new ReadCollectionItem(this.ReadConfigurationNode));
break;
case ElementNames.Files:
success = this.ReadCollectionNode(childNode, ElementNames.Files, ElementNames.File, new ReadCollectionItem(this.ReadFileNode));
break;
}
// We can't have this in the switch block because the reference node is not a constant string value.
if (childNode.Name == this.ReferencesElementName)
{
success = this.ReadCollectionNode(childNode, this.ReferencesElementName, this.ReferenceElementName, new ReadCollectionItem(this.ReadLibraryReferenceNode));
}
if (!success)
{
this.Project.Unavailable = true;
return(false);
}
}
return(true);
}
/// <summary>
/// Saves the attached project in the specified encoding.
/// </summary>
/// <param name="encoding">The encoding of the file. If null, <see cref="Encoding.UTF8"/> is used.</param>
/// <param name="forceSave">Indicates whether to ignore the attached project's dirty flag when determining whether to save.</param>
/// <returns>true if successful; otherwise, false.</returns>
public bool Save(Encoding encoding, bool forceSave)
{
if (encoding == null)
{
encoding = Encoding.UTF8;
}
// If a project hasn't been attached yet, there's nothing to save.
if (this.Project == null)
{
return(false);
}
// Check the dirty state of the project to see if we even need to save.
if (!this.Project.IsDirty && !forceSave)
{
Tracer.WriteLineInformation(classType, "Save", "The project doesn't need to be saved.");
return(true);
}
// At this point we know we have to save the project.
string filePath = this.Project.FilePath;
try
{
using (StreamWriter streamWriter = new StreamWriter(filePath, false, encoding))
{
ProjectFileXmlWriter writer = new ProjectFileXmlWriter(streamWriter);
writer.WriteStartDocument();
// <VisualStudioProject>
writer.WriteStartElement(ElementNames.VisualStudioProject);
// <Project>
writer.WriteStartElement(this.ProjectElementName);
this.WriteProjectAttributes(writer);
// <BuildSettings>
BuildSettings buildSettings = this.Project.BuildSettings;
writer.WriteStartElement(ElementNames.BuildSettings);
this.WriteBuildSettingsAttributes(writer);
writer.WriteEndElement();
// <Configurations>
writer.WriteStartElement(ElementNames.Configurations);
foreach (ProjectConfiguration config in this.Project.ConfigurationProvider.ProjectConfigurations)
{
this.WriteConfigurationNode(writer, config);
}
writer.WriteEndElement();
// <References>
writer.WriteStartElement(this.ReferencesElementName);
foreach (ReferenceFileNode reference in this.Project.ReferencesNode.Children)
{
writer.WriteStartElement(this.ReferenceElementName);
writer.WriteAttributeString(AttributeNames.RelativePath, reference.RelativePath);
writer.WriteEndElement();
}
writer.WriteEndElement();
// <Files>
writer.WriteStartElement(ElementNames.Files);
this.WriteFilesInNode(writer, this.Project.RootNode);
writer.WriteEndElement();
writer.WriteEndDocument();
// Clear the project's dirty state.
this.Project.ClearDirty();
}
}
catch (Exception e)
{
if (!this.SilentFailures)
{
string title = Package.Instance.Context.NativeResources.GetString(ResId.IDS_E_PROJECTFILESAVE_TITLE, filePath);
string message = Package.Instance.Context.NativeResources.GetString(ResId.IDS_E_PROJECTFILESAVE, e.Message);
Package.Instance.Context.ShowErrorMessageBox(title, message);
}
Tracer.Fail("There was an error in saving the file {0}: {1}", filePath, e.ToString());
return(false);
}
return(true);
}
/// <summary>
/// Loads a project file from disk.
/// </summary>
/// <param name="filePath">The absolute path of the project file to load.</param>
/// <returns>true if the project file was loaded correctly; otherwise, false.</returns>
public bool Load(string filePath)
{
Tracer.VerifyStringArgument(filePath, "filePath");
// Create a new project.
this.project = this.CreateProject(this);
// Set the project's file path to the one being loaded in. Do this first in case we have
// to make the project unavailable it can still display the correct caption in Solution Explorer.
this.Project.FilePath = filePath;
// Make sure the file exists.
if (!File.Exists(filePath))
{
if (!this.SilentFailures)
{
string message = SconceStrings.FileDoesNotExist(filePath);
Package.Instance.Context.ShowErrorMessageBox(message);
}
this.Project.Unavailable = true;
Tracer.WriteLine(classType, "Load", Tracer.Level.Warning, "The project file '{0}' does not exist.", filePath);
return(false);
}
try
{
using (StreamReader stream = new StreamReader(filePath))
{
XmlTextReader reader = new XmlTextReader(stream);
reader.WhitespaceHandling = WhitespaceHandling.None;
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(reader);
XmlNode node = xmlDoc.DocumentElement;
// <VisualStudioProject>
if (!this.VerifyNode(node, ElementNames.VisualStudioProject))
{
this.Project.Unavailable = true;
return(false);
}
node = node.FirstChild;
if (!this.ReadProjectNode(node))
{
this.Project.Unavailable = true;
return(false);
}
}
}
catch (XmlException e)
{
if (!this.SilentFailures)
{
string projectFileName = Path.GetFileName(filePath);
string title = Package.Instance.Context.NativeResources.GetString(ResId.IDS_E_INVALIDPROJECTFILE_TITLE);
string message = Package.Instance.Context.NativeResources.GetString(ResId.IDS_E_INVALIDPROJECTFILE, projectFileName);
Package.Instance.Context.ShowErrorMessageBox(title, message);
}
this.Project.Unavailable = true;
Tracer.Fail("There was an error parsing '{0}': {1}", filePath, e.ToString());
return(false);
}
// Once the project has been loaded, it's not dirty anymore.
this.Project.ClearDirty();
return(true);
}
