/// <summary>
/// Gets the variables and directories for the specified project. Variables will be in
/// the form <c>ProjectName.VariableName</c>.
/// </summary>
/// <param name="variables">The <see cref="NameValueCollection"/> to add the variables to.</param>
/// <param name="hierarchy">The <see cref="IVsHierarchy"/> (project) from which to retrieve the variables.</param>
private void GetTargetVariables(NameValueCollection variables, IVsHierarchy hierarchy, string projectPrefix)
{
try
{
int hr = NativeMethods.S_OK;
// Now we need to get a IVsProjectCfg2 object to get the TargetX variables. We do this
// by querying the environment for the active configuration of the specified project.
IVsSolutionBuildManager solutionBuildManager = Package.Instance.GetService(typeof(IVsSolutionBuildManager)) as IVsSolutionBuildManager;
if (solutionBuildManager == null)
{
Tracer.WriteLine(classType, "GetTargetVariables", Tracer.Level.Warning, "Cannot get an instance of IVsSolutionBuildManager from the environment. Skipping the project's TargetX variables.");
return;
}
IVsProjectCfg[] projectCfgArray = new IVsProjectCfg[1];
hr = solutionBuildManager.FindActiveProjectCfg(IntPtr.Zero, IntPtr.Zero, hierarchy, projectCfgArray);
if (NativeMethods.Failed(hr))
{
Tracer.WriteLineWarning(classType, "GetTargetVariables", "One of the projects in the solution does not support project configurations. Skipping the project's TargetX variables.");
return;
}
IVsProjectCfg2 projectCfg2 = projectCfgArray[0] as IVsProjectCfg2;
if (projectCfg2 == null)
{
Tracer.WriteLine(classType, "GetTargetVariables", Tracer.Level.Warning, "The IVsSolutionBuildManager.FindActiveProjectCfg returned a null object or an object that doesn't support IVsProjectCfg2. Skipping the project's TargetX variables.");
return;
}
// Get the ConfigurationName and add it to the variables.
string configurationName;
NativeMethods.ThrowOnFailure(projectCfg2.get_DisplayName(out configurationName));
variables.Add(projectPrefix + "ConfigurationName", configurationName);
// We need to get the Built output group from the list of project output groups.
IVsOutputGroup outputGroup;
NativeMethods.ThrowOnFailure(projectCfg2.OpenOutputGroup("Built", out outputGroup));
if (outputGroup == null)
{
Tracer.WriteLine(classType, "GetTargetVariables", Tracer.Level.Warning, "The project configuration '{0}' does not support the 'Built' output group. Skipping the TargetX variables.", configurationName);
return;
}
// Get the key output canonical name from the Built output group.
string keyOutputCanonicalName;
NativeMethods.ThrowOnFailure(outputGroup.get_KeyOutput(out keyOutputCanonicalName));
// Search through the outputs until we find the key output. We have to call get_Outputs
// twice: once to get the number of outputs (we do this by passing in 0 as the number
// requested), and then once to get the actual outputs.
uint numberRequested = 0;
IVsOutput2[] outputArray = new IVsOutput2[numberRequested];
uint[] numberFetchedArray = new uint[1];
NativeMethods.ThrowOnFailure(outputGroup.get_Outputs(numberRequested, outputArray, numberFetchedArray));
// We should have the number of elements in the output array now, so get them.
numberRequested = numberFetchedArray[0];
outputArray = new IVsOutput2[numberRequested];
NativeMethods.ThrowOnFailure(outputGroup.get_Outputs(numberRequested, outputArray, numberFetchedArray));
IVsOutput2 keyOutput = null;
for (int i = 0; i < numberFetchedArray[0]; i++)
{
if (outputArray.Length <= i)
{
break;
}
IVsOutput2 output = outputArray[i];
string outputCanonicalName;
NativeMethods.ThrowOnFailure(output.get_CanonicalName(out outputCanonicalName));
if (outputCanonicalName == keyOutputCanonicalName)
{
keyOutput = output;
break;
}
}
// Check to make sure that we found the key output.
if (keyOutput == null)
{
Tracer.WriteLine(classType, "GetTargetVariables", Tracer.Level.Warning, "We identified the key output from configuration '{0}' as '{1}', but when we iterated through the outputs we couldn't find the key output. Skipping the TargetX variables.", configurationName, keyOutputCanonicalName);
return;
}
// Now that we have the key output, we can finally create the TargetX variables from
// the key output's deploy source URL.
string deploySourceUrl;
NativeMethods.ThrowOnFailure(keyOutput.get_DeploySourceURL(out deploySourceUrl));
// By convention, the deploy source URL starts with file:/// for file-based outputs.
// Strip it off if it's there.
if (deploySourceUrl.StartsWith("file:///"))
{
deploySourceUrl = deploySourceUrl.Substring("file:///".Length);
}
// Parse the TargetX variables from the deploy source URL.
string targetPath = deploySourceUrl;
string targetFileName = Path.GetFileName(targetPath);
string targetDosFileName = this.EncodeDosFileName(targetFileName);
string targetName = Path.GetFileNameWithoutExtension(targetFileName);
string targetExt = PackageUtility.EnsureLeadingChar(Path.GetExtension(targetPath), '.');
string targetDir = PackageUtility.StripTrailingChar(Path.GetDirectoryName(targetPath), Path.DirectorySeparatorChar);
// Add the TargetX variables to the collection.
variables.Add(projectPrefix + "TargetDir", targetDir);
variables.Add(projectPrefix + "TargetDosFileName", targetDosFileName);
variables.Add(projectPrefix + "TargetExt", targetExt);
variables.Add(projectPrefix + "TargetFileName", targetFileName);
variables.Add(projectPrefix + "TargetName", targetName);
variables.Add(projectPrefix + "TargetPath", targetPath);
}
catch (Exception e)
{
if (ErrorUtility.IsExceptionUnrecoverable(e))
{
throw;
}
Tracer.WriteLineWarning(classType, "GetTargetVariables", "The project does not correctly implement all of its required IVsProjectCfg2 interfaces. Skipping the TargetX variables. Exception: {0}", e);
}
}
/// <summary>
/// Gets the variables and directories for the specified project. Variables will be in
/// the form <c>ProjectName.VariableName</c>.
/// </summary>
/// <param name="variables">The <see cref="NameValueCollection"/> to add the variables to.</param>
/// <param name="hierarchy">The <see cref="IVsHierarchy"/> (project) from which to retrieve the variables.</param>
private void GetProjectVariables(NameValueCollection variables, IVsHierarchy hierarchy)
{
// ProjectX variables
try
{
int hr = NativeMethods.S_OK;
// Get the project name and directory from the hierarchy.
object projectNameObj;
object projectDirObj;
hr = hierarchy.GetProperty(NativeMethods.VSITEMID_ROOT, (int)__VSHPROPID.VSHPROPID_ProjectName, out projectNameObj);
hr = hierarchy.GetProperty(NativeMethods.VSITEMID_ROOT, (int)__VSHPROPID.VSHPROPID_ProjectDir, out projectDirObj);
// To get the project file path, we have to get an IPersistFileFormat interface from the hierarchy.
IPersistFileFormat persistFileFormat = hierarchy as IPersistFileFormat;
// Sometimes the hierarchy doesn't always support all of these requested properties.
// We have to have all three to properly get all of the project properties.
if (projectNameObj == null || projectDirObj == null || persistFileFormat == null)
{
Tracer.WriteLine(classType, "GetProjectVariables", Tracer.Level.Warning, "The hierarchy '{0}' does not support one of the VSHPROPID_ProjectName, VSHPROPID_ProjectDir, or IPersistFileFormat properties. Skipping the project variables.", projectNameObj);
return;
}
// Get the project path.
string projectPath;
uint formatIndex;
NativeMethods.ThrowOnFailure(persistFileFormat.GetCurFile(out projectPath, out formatIndex));
// Construct the ProjectX variables from the ones retrieved from the hierarchy.
string projectName = (string)projectNameObj;
string projectDir = PackageUtility.StripTrailingChar((string)projectDirObj, Path.DirectorySeparatorChar);
string projectFileName = Path.GetFileName(projectPath);
string projectExt = PackageUtility.EnsureLeadingChar(Path.GetExtension(projectPath), '.');
string projectDosFileName = this.EncodeDosFileName(projectFileName);
// The variable name will be in the form ProjectName.VariableName. We have to strip out
// any illegal characters from the project name since this will be a preprocessor definition.
string projectPrefix = this.EncodeProjectName(projectName) + ".";
// Add the ProjectX variables to the collection.
variables.Add(projectPrefix + "ProjectDir", projectDir);
variables.Add(projectPrefix + "ProjectDosFileName", projectDosFileName);
variables.Add(projectPrefix + "ProjectExt", projectExt);
variables.Add(projectPrefix + "ProjectFileName", projectFileName);
variables.Add(projectPrefix + "ProjectName", projectName);
variables.Add(projectPrefix + "ProjectPath", projectPath);
// TargetX variables
this.GetTargetVariables(variables, hierarchy, projectPrefix);
}
catch (Exception e)
{
if (ErrorUtility.IsExceptionUnrecoverable(e))
{
throw;
}
Tracer.WriteLineWarning(classType, "GetProjectVariables", "There was an error while trying to get the project variables. Skipping the ProjectX variables. Exception: {0}", e);
}
}