137 lines
3.2 KiB
C#
137 lines
3.2 KiB
C#
//
|
|
// Pipeline.cs
|
|
//
|
|
// Author:
|
|
// Jb Evain (jbevain@gmail.com)
|
|
//
|
|
// (C) 2006 Jb Evain
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining
|
|
// a copy of this software and associated documentation files (the
|
|
// "Software"), to deal in the Software without restriction, including
|
|
// without limitation the rights to use, copy, modify, merge, publish,
|
|
// distribute, sublicense, and/or sell copies of the Software, and to
|
|
// permit persons to whom the Software is furnished to do so, subject to
|
|
// the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be
|
|
// included in all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
|
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
|
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
|
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
//
|
|
|
|
using System;
|
|
using System.Collections;
|
|
using System.Diagnostics;
|
|
|
|
using Mono.Linker.Steps;
|
|
|
|
namespace Mono.Linker {
|
|
|
|
public class Pipeline {
|
|
|
|
ArrayList _steps;
|
|
|
|
public Pipeline ()
|
|
{
|
|
_steps = new ArrayList();
|
|
}
|
|
|
|
public void PrependStep (IStep step)
|
|
{
|
|
_steps.Insert (0, step);
|
|
}
|
|
|
|
public void AppendStep (IStep step)
|
|
{
|
|
_steps.Add (step);
|
|
}
|
|
|
|
public void AddStepBefore (Type target, IStep step)
|
|
{
|
|
for (int i = 0; i < _steps.Count; i++) {
|
|
if (target.IsInstanceOfType (_steps [i])) {
|
|
_steps.Insert (i, step);
|
|
return;
|
|
}
|
|
}
|
|
string msg = String.Format ("Step {0} could not be inserted before (not found) {1}", step, target);
|
|
throw new InvalidOperationException (msg);
|
|
}
|
|
|
|
public void ReplaceStep (Type target, IStep step)
|
|
{
|
|
AddStepBefore (target, step);
|
|
RemoveStep (target);
|
|
}
|
|
|
|
public void AddStepAfter (Type target, IStep step)
|
|
{
|
|
for (int i = 0; i < _steps.Count; i++) {
|
|
if (target.IsInstanceOfType (_steps [i])) {
|
|
if (i == _steps.Count - 1)
|
|
_steps.Add (step);
|
|
else
|
|
_steps.Insert (i + 1, step);
|
|
return;
|
|
}
|
|
}
|
|
string msg = String.Format ("Step {0} could not be inserted after (not found) {1}", step, target);
|
|
throw new InvalidOperationException (msg);
|
|
}
|
|
|
|
public void AddStepAfter (IStep target, IStep step)
|
|
{
|
|
for (int i = 0; i < _steps.Count; i++) {
|
|
if (_steps [i] == target) {
|
|
if (i == _steps.Count - 1)
|
|
_steps.Add (step);
|
|
else
|
|
_steps.Insert (i + 1, step);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
public void RemoveStep (Type target)
|
|
{
|
|
for (int i = 0; i < _steps.Count; i++) {
|
|
if (_steps [i].GetType () != target)
|
|
continue;
|
|
|
|
_steps.RemoveAt (i);
|
|
break;
|
|
}
|
|
}
|
|
|
|
public void Process (LinkContext context)
|
|
{
|
|
while (_steps.Count > 0) {
|
|
IStep step = (IStep) _steps [0];
|
|
step.Process (context);
|
|
_steps.Remove (step);
|
|
}
|
|
}
|
|
|
|
public IStep [] GetSteps ()
|
|
{
|
|
return (IStep []) _steps.ToArray (typeof (IStep));
|
|
}
|
|
|
|
public bool ContainsStep (Type type)
|
|
{
|
|
foreach (IStep step in _steps)
|
|
if (step.GetType () == type)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
}
|
|
}
|