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Radarr/Migrator.net/Migrator/Compile/ScriptEngine.cs

118 lines
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4.1 KiB
C#

using System;
using System.CodeDom.Compiler;
using System.Collections.Generic;
using System.IO;
using System.Reflection;
using Migrator.Framework;
namespace Migrator.Compile
{
public class ScriptEngine
{
public readonly string[] extraReferencedAssemblies;
private readonly CodeDomProvider _provider;
private string _codeType = "csharp";
public ScriptEngine() : this(null, null)
{
}
public ScriptEngine(string[] extraReferencedAssemblies)
: this(null, extraReferencedAssemblies)
{
}
public ScriptEngine(string codeType, string[] extraReferencedAssemblies)
{
if (!String.IsNullOrEmpty(codeType))
_codeType = codeType;
this.extraReferencedAssemblies = extraReferencedAssemblies;
// There is currently no way to generically create a CodeDomProvider and have it work with .NET 3.5
_provider = CodeDomProvider.CreateProvider(_codeType);
}
public Assembly Compile(string directory)
{
string[] files = GetFilesRecursive(directory);
Console.Out.WriteLine("Compiling:");
Array.ForEach(files, delegate(String file) { Console.Out.WriteLine(file); });
return Compile(files);
}
private string[] GetFilesRecursive(string directory)
{
FileInfo[] files = GetFilesRecursive(new DirectoryInfo(directory));
string[] fileNames = new string[files.Length];
for (int i = 0; i < files.Length; i ++)
{
fileNames[i] = files[i].FullName;
}
return fileNames;
}
private FileInfo[] GetFilesRecursive(DirectoryInfo d)
{
List<FileInfo> files = new List<FileInfo>();
files.AddRange(d.GetFiles(String.Format("*.{0}", _provider.FileExtension)));
DirectoryInfo[] subDirs = d.GetDirectories();
if (subDirs.Length > 0)
{
foreach (DirectoryInfo subDir in subDirs)
{
files.AddRange(GetFilesRecursive(subDir));
}
}
return files.ToArray();
}
public Assembly Compile(params string[] files)
{
CompilerParameters parms = SetupCompilerParams();
CompilerResults compileResult = _provider.CompileAssemblyFromFile(parms, files);
if (compileResult.Errors.Count != 0)
{
foreach (CompilerError err in compileResult.Errors)
{
Console.Error.WriteLine("{0} ({1}:{2}) {3}", err.FileName, err.Line, err.Column, err.ErrorText);
}
}
return compileResult.CompiledAssembly;
}
private CompilerParameters SetupCompilerParams()
{
string migrationFrameworkPath = FrameworkAssemblyPath();
CompilerParameters parms = new CompilerParameters();
parms.CompilerOptions = "/t:library";
parms.GenerateInMemory = true;
parms.IncludeDebugInformation = true;
parms.OutputAssembly = Path.Combine(Path.GetDirectoryName(migrationFrameworkPath), "MyMigrations.dll");
Console.Out.WriteLine("Output assembly: " + parms.OutputAssembly);
// Add Default referenced assemblies
parms.ReferencedAssemblies.Add("mscorlib.dll");
parms.ReferencedAssemblies.Add("System.dll");
parms.ReferencedAssemblies.Add("System.Data.dll");
parms.ReferencedAssemblies.Add(FrameworkAssemblyPath());
if (null != extraReferencedAssemblies && extraReferencedAssemblies.Length > 0)
{
Array.ForEach(extraReferencedAssemblies,
delegate(String assemb) { parms.ReferencedAssemblies.Add(assemb); });
}
return parms;
}
private static string FrameworkAssemblyPath()
{
string path = typeof (MigrationAttribute).Module.FullyQualifiedName;
Console.Out.WriteLine("Framework DLL: " + path);
return path;
}
}
}