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/*
* Copyright (c) Contributors, http://www.openmetaverse.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSim Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
using System;
using System.Collections.Generic;
using System.Text;
using System.CodeDom.Compiler;
using System.CodeDom;
using Microsoft.CSharp;
using Microsoft.JScript;
using libTerrain;
namespace OpenSim.Terrain
{
public interface ITerrainFilter
{
void Filter(Channel heightmap, string[] args);
string Register();
string Help();
}
public class TestFilter : ITerrainFilter
{
public void Filter(Channel heightmap, string[] args)
{
Console.WriteLine("Hello world");
}
public string Register()
{
return "demofilter";
}
public string Help()
{
return "demofilter - Does nothing";
}
}
public class FilterHost
{
public Dictionary<string, ITerrainFilter> filters = new Dictionary<string, ITerrainFilter>();
private void LoadFilter(ICodeCompiler compiler, string filename)
{
CompilerParameters compilerParams = new CompilerParameters();
CompilerResults compilerResults;
compilerParams.GenerateExecutable = false;
compilerParams.GenerateInMemory = true;
compilerParams.IncludeDebugInformation = false;
compilerParams.ReferencedAssemblies.Add("libTerrain-BSD.dll");
compilerParams.ReferencedAssemblies.Add("OpenSim.Terrain.BasicTerrain.dll");
compilerParams.ReferencedAssemblies.Add("System.dll");
compilerResults = compiler.CompileAssemblyFromFile(compilerParams, filename);
if (compilerResults.Errors.Count > 0)
{
Console.WriteLine("Compile errors:");
foreach (CompilerError error in compilerResults.Errors)
{
Console.WriteLine(error.Line.ToString() + ": " + error.ErrorText.ToString());
}
}
else
{
foreach (Type pluginType in compilerResults.CompiledAssembly.GetExportedTypes())
{
Type testInterface = pluginType.GetInterface("ITerrainFilter",true);
if (testInterface != null)
{
ITerrainFilter filter = (ITerrainFilter)compilerResults.CompiledAssembly.CreateInstance(pluginType.ToString());
string filterName = filter.Register();
Console.WriteLine("Plugin: " + filterName + " loaded.");
if (!filters.ContainsKey(filterName))
{
filters.Add(filterName, filter);
}
else
{
filters[filterName] = filter;
}
}
}
}
}
public void LoadFilterCSharp(string filename)
{
CSharpCodeProvider compiler = new CSharpCodeProvider();
LoadFilter(compiler.CreateCompiler(), filename);
}
public void LoadFilterJScript(string filename)
{
JScriptCodeProvider compiler = new JScriptCodeProvider();
LoadFilter(compiler.CreateCompiler(), filename);
}
}
}
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