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//
// Blacklist.cs
//
// Author:
// Jb Evain (jb@nurv.fr)
//
// (C) 2007 Novell Inc.
//
// 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.Linq;
using System.IO;
using System.Reflection;
using System.Xml;
using System.Xml.XPath;
using Mono.Cecil;
namespace Mono.Linker.Steps {
public class BlacklistStep : BaseStep {
protected override bool ConditionToProcess()
{
return Context.CoreAction == AssemblyAction.Link;
}
protected override void Process ()
{
foreach (string name in Assembly.GetExecutingAssembly ().GetManifestResourceNames ()) {
if (!name.EndsWith (".xml", StringComparison.OrdinalIgnoreCase) || !IsReferenced (GetAssemblyName (name)))
continue;
try {
Context.LogMessage ("Processing resource linker descriptor: {0}", name);
Context.Pipeline.AddStepAfter (typeof (TypeMapStep), GetResolveStep (name));
} catch (XmlException ex) {
/* This could happen if some broken XML file is included. */
Context.LogMessage ("Error processing {0}: {1}", name, ex);
}
}
foreach (var asm in Context.GetAssemblies ()) {
foreach (var rsc in asm.Modules
.SelectMany (mod => mod.Resources)
.Where (res => res.ResourceType == ResourceType.Embedded)
.Where (res => res.Name.EndsWith (".xml", StringComparison.OrdinalIgnoreCase))
.Where (res => IsReferenced (GetAssemblyName (res.Name)))
.Cast<EmbeddedResource> ()) {
try {
Context.LogMessage ("Processing embedded resource linker descriptor: {0}", rsc.Name);
Context.Pipeline.AddStepAfter (typeof (TypeMapStep), GetExternalResolveStep (rsc, asm));
} catch (XmlException ex) {
/* This could happen if some broken XML file is embedded. */
Context.LogMessage ("Error processing {0}: {1}", rsc.Name, ex);
}
}
}
}
static string GetAssemblyName (string descriptor)
{
int pos = descriptor.LastIndexOf ('.');
if (pos == -1)
return descriptor;
return descriptor.Substring (0, pos);
}
bool IsReferenced (string name)
{
foreach (AssemblyDefinition assembly in Context.GetAssemblies ())
if (assembly.Name.Name == name)
return true;
return false;
}
static ResolveFromXmlStep GetExternalResolveStep (EmbeddedResource resource, AssemblyDefinition assembly)
{
return new ResolveFromXmlStep (GetExternalDescriptor (resource), "resource " + resource.Name + " in " + assembly.FullName);
}
static ResolveFromXmlStep GetResolveStep (string descriptor)
{
return new ResolveFromXmlStep (GetDescriptor (descriptor), "descriptor " + descriptor + " from " + Assembly.GetExecutingAssembly ().FullName);
}
static XPathDocument GetExternalDescriptor (EmbeddedResource resource)
{
using (var sr = new StreamReader (resource.GetResourceStream ())) {
return new XPathDocument (new StringReader (sr.ReadToEnd ()));
}
}
static XPathDocument GetDescriptor (string descriptor)
{
using (StreamReader sr = new StreamReader (GetResource (descriptor))) {
return new XPathDocument (new StringReader (sr.ReadToEnd ()));
}
}
static Stream GetResource (string descriptor)
{
return Assembly.GetExecutingAssembly ().GetManifestResourceStream (descriptor);
}
}
}
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