private void _ReadFrameworkAssemblies(XElement element, ScriptSequence scriptSequence)
{
scriptSequence.FrameworkAssemblies = new HashSet<string>(
element
.Element("FrameworkAssemblies")
.Elements("Assembly")
.Select(x => x.Attribute("name").Value));
}
private void _ReadSourceFiles(XElement element, ScriptSequence scriptSequence)
{
string sourcePath = Path.Combine(scriptSequence.SourceDirectory, scriptSequence.Name);
scriptSequence.SourceFiles.Clear();
IEnumerable<string> fileNames = element
.Element("SourceFiles")
.Elements("SourceFile")
.Select(x => x.Attribute("name").Value);
foreach(string fileName in fileNames) {
string filePath = Path.Combine(sourcePath, fileName);
scriptSequence.SourceFiles.Add(SourceFile.Load(filePath));
}
}
private XElement _WriteSourceFiles(ScriptSequence sequence)
{
// Make sure source directory exists.
string sourcePath = Path.Combine(sequence.SourceDirectory, sequence.Name);
Helper.EnsureDirectory(sourcePath);
// Write the source files and their references.
return new XElement("SourceFiles", sequence.SourceFiles.Select(x => {
x.Save(sourcePath);
return new XElement("SourceFile",
new XAttribute("name", x.Name));
}));
}
protected ScriptSequence(string language, ScriptSequence original)
{
Length = Forever;
//SourceFiles = new List<SourceFile>(original.SourceFiles);
//SourceFiles = new SourceFileCollection();
//SourceFiles.Files.AddRange(original.SourceFiles.Files);
_sourceFiles = new SourceFileCollection();
AddSourceFiles(original.GetAllSourceFiles());
FrameworkAssemblies = new HashSet <string>(original.FrameworkAssemblies);
ExternalAssemblies = new HashSet <string>(original.ExternalAssemblies);
Language = language;
ClassName = original.ClassName;
}
protected ScriptSequence(string language, ScriptSequence original)
{
Length = Forever;
//SourceFiles = new List<SourceFile>(original.SourceFiles);
//SourceFiles = new SourceFileCollection();
//SourceFiles.Files.AddRange(original.SourceFiles.Files);
_sourceFiles = new SourceFileCollection();
AddSourceFiles(original.GetAllSourceFiles());
FrameworkAssemblies = new HashSet<string>(original.FrameworkAssemblies);
ExternalAssemblies = new HashSet<string>(original.ExternalAssemblies);
Language = language;
ClassName = original.ClassName;
}
public IUserScriptHost GenerateScript(ScriptSequence sequence)
{
List<string> files = new List<string>();
Assembly assembly;
string nameSpace = UserScriptNamespace;
try {
// Emit the T4 template to be compiled into the assembly.
string fileName = Path.GetTempFileName();
string fileContents = sequence.Language.FrameworkGenerator.Generate(nameSpace, sequence.ClassName);
File.WriteAllText(fileName, fileContents);
files.Add(fileName);
// Add the user's source files.
foreach(SourceFile sourceFile in sequence.SourceFiles) {
fileName = Path.Combine(Path.GetTempPath(), sourceFile.Name);
File.WriteAllText(fileName, sourceFile.Contents);
files.Add(fileName);
}
// Compile the sources.
assembly = _Compile(files.ToArray(), _GetReferencedAssemblies(sequence), sequence.Language);
} finally {
// Delete the temp files.
foreach(string tempFile in files) {
File.Delete(tempFile);
}
}
if(assembly != null) {
// Get the generated type.
Type type = assembly.GetType(string.Format("{0}.{1}", nameSpace, sequence.ClassName));
if(type != null) {
// Create and return an instance.
return (IUserScriptHost)Activator.CreateInstance(type);
}
}
return null;
}
private void _ReadLanguage(XElement element, ScriptSequence scriptSequence)
{
scriptSequence.Language = element.Element("Language").Value;
}
private void _ReadClassName(XElement element, ScriptSequence scriptSequence)
{
scriptSequence.ClassName = element.Element("ClassName").Value;
}
public IUserScriptHost GenerateScript(ScriptSequence sequence)
{
List<string> files = new List<string>();
Assembly assembly;
string nameSpace = UserScriptNamespace;
try {
// Emit the T4 template to be compiled into the assembly.
string fileName = Path.GetTempFileName();
string fileContents = sequence.Language.FrameworkGenerator.Generate(nameSpace, sequence.ClassName);
File.WriteAllText(fileName, fileContents);
files.Add(fileName);
// Add the user's source files.
foreach (SourceFile sourceFile in sequence.SourceFiles) {
fileName = Path.Combine(Path.GetTempPath(), sourceFile.Name);
File.WriteAllText(fileName, sourceFile.Contents);
files.Add(fileName);
}
var assemblyReferences = _GetReferencedAssemblies(sequence);
HashSet<string> uniqueAssemblyReferences = new HashSet<string>(assemblyReferences);
// Remove .NET framework and GAC assemblies.
uniqueAssemblyReferences.RemoveWhere(
x => x.StartsWith(Environment.GetFolderPath(Environment.SpecialFolder.Windows), StringComparison.OrdinalIgnoreCase));
//if (createProject)
CreateWorkingProject(files.ToArray(), uniqueAssemblyReferences, sequence);
// Compile the sources.
assembly = _Compile(files.ToArray(), uniqueAssemblyReferences, sequence);
} finally {
// Delete the temp files.
foreach (string tempFile in files) {
File.Delete(tempFile);
}
}
if (assembly != null) {
// Get the generated type.
Type type = assembly.GetType(string.Format("{0}.{1}", nameSpace, sequence.ClassName));
if (type != null) {
// Create and return an instance.
return (IUserScriptHost)Activator.CreateInstance(type);
}
}
return null;
}
private IEnumerable<string> _GetReferencedAssemblies(ScriptSequence sequence)
{
List<string> assemblyReferences = new List<string>();
assemblyReferences.AddRange(sequence.FrameworkAssemblies);
assemblyReferences.AddRange(sequence.ExternalAssemblies);
assemblyReferences.AddRange(_GetEffectParameterAssemblies());
assemblyReferences.AddRange(_standardReferences);
assemblyReferences.Add(VixenSystem.AssemblyFileName);
return assemblyReferences;
}
/// <returns>The file name of the compiled assembly.</returns>
private Assembly _Compile(string[] files, HashSet<string> uniqueAssemblyReferences, ScriptSequence sequence)
{
IScriptModuleInstance language = sequence.Language;
// Assembly references come in two flavors:
// 1. Framework assemblies -- need only the file name.
// 2. Other assemblies -- need the qualified file name.
_errors.Clear();
ICompilerParameters compilerParameters = new ScriptCompilerParameters {
GenerateInMemory = true,
//IncludeDebugInformation = true
};
compilerParameters.ReferencedAssemblies.AddRange(uniqueAssemblyReferences.ToArray());
ICompilerResults results = language.CodeProvider.CompileAssemblyFromFile(compilerParameters, files);
// Get any errors.
foreach (ICompilerError error in results.Errors) {
_errors.Add(string.Format("{0} [{1}]: {2}", Path.GetFileName(error.FileName), error.Line, error.ErrorText));
}
return results.HasErrors ? null : results.CompiledAssembly;
}
private void CreateWorkingProject(string[] files, HashSet<string> assemblyReferences, ScriptSequence sequence)
{
new ScriptProjectGenerator(files, assemblyReferences, sequence).Generate();
}
private XElement _WriteLanguage(ScriptSequence sequence)
{
return new XElement("Language", sequence.Language);
}
private XElement _WriteFrameworkAssemblies(ScriptSequence sequence)
{
return new XElement("FrameworkAssemblies", sequence.FrameworkAssemblies.Select(x =>
new XElement("Assembly",
new XAttribute("name", x))));
}
private XElement _WriteExternalAssemblies(ScriptSequence sequence)
{
return new XElement("ExternalAssemblies", sequence.ExternalAssemblies.Select(x =>
new XElement("Assembly",
new XAttribute("name", x))));
}
private XElement _WriteClassName(ScriptSequence sequence)
{
return new XElement("ClassName", sequence.ClassName);
}