/// <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>
/// 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
{
ThreadHelper.ThrowIfNotOnUIThread();
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 = 0;
string extension = String.Empty;
try
{
ErrorHandler.ThrowOnFailure(generator.DefaultExtension(out extension));
}
catch (Exception e)
{
if (System.Diagnostics.Debugger.IsAttached)
{
Debug.WriteLine("generator.DefaultExtension failed: " + e.Message);
}
}
//
IVsTextStream stream;
string inputFileContents = this.GetBufferContents(moniker, out stream);
//
// HACK To support T4 Template
//
//bool utf8 = false;
if (String.Compare(Path.GetExtension(fileNode.FileName), ".tt", true) == 0)
{
// Per default, for a T4 template, convert to UTF8
// utf8 = true; ? to be done ??
// The Output Extension may be modified by the Template. Check it
Regex t4ParsingRegex = new Regex("output.*\\sextension\\s*=\\s*\"(?<pvalue>.*?)(?<=[^\\\\](\\\\\\\\)*)\"", RegexOptions.IgnorePatternWhitespace | RegexOptions.Singleline | RegexOptions.ExplicitCapture);
MatchCollection matchs = t4ParsingRegex.Matches(inputFileContents);
if (matchs.Count > 0)
{
Match match = matchs[0];
Group group = match.Groups["pvalue"];
extension = group.Value;
}
// Any Encoding in the Template ?
t4ParsingRegex = new Regex("output.*\\sencoding\\s*=\\s*\"(?<pvalue>.*?)(?<=[^\\\\](\\\\\\\\)*)\"", RegexOptions.IgnorePatternWhitespace | RegexOptions.Singleline | RegexOptions.ExplicitCapture);
matchs = t4ParsingRegex.Matches(inputFileContents);
if (matchs.Count > 0)
{
Match match = matchs[0];
Group group = match.Groups["pvalue"];
//utf8 = false;
}
}
//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);
}
}
try
{
ErrorHandler.ThrowOnFailure(generator.Generate(moniker, inputFileContents, customToolNamespace, output, out outPutSize, this));
}
catch (Exception e)
{
if (System.Diagnostics.Debugger.IsAttached)
{
Debug.WriteLine("generator.Generate failed: " + e.Message);
}
}
if (outPutSize > 0)
{
byte[] data = new byte[outPutSize];
if (output[0] != IntPtr.Zero)
{
Marshal.Copy(output[0], data, 0, (int)outPutSize);
Marshal.FreeCoTaskMem(output[0]);
}
// HACK T4 Support
/*
* utf8 = false;
* if (utf8)
* {
* System.Text.StringBuilder sb = new System.Text.StringBuilder();
* sb.Append(System.Text.Encoding.ASCII.GetString(data, 0, (int)outPutSize));
* //
* System.Text.Encoding enc = new System.Text.UTF8Encoding(true);
* byte[] preamble = enc.GetPreamble();
* byte[] encData = enc.GetBytes(sb.ToString());
* //
* outPutSize = (uint)encData.Length + (uint)preamble.Length;
* data = new byte[outPutSize];
* Array.Copy(preamble, data, preamble.Length);
* Array.Copy(encData, 0, data, preamble.Length, encData.Length);
* }
*/
//Todo - Create a file and add it to the Project
string fileToAdd = this.UpdateGeneratedCodeFile(fileNode, data, (int)outPutSize, dependentNodeName);
}
}
}
finally
{
this.runningGenerator = false;
}
}