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//
// EmbeddedResource.cs
//
// Author:
// Jb Evain (jbevain@gmail.com)
//
// Copyright (c) 2008 - 2010 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.IO;
namespace Mono.Cecil {
public sealed class EmbeddedResource : Resource {
readonly MetadataReader reader;
uint? offset;
byte [] data;
Stream stream;
public override ResourceType ResourceType {
get { return ResourceType.Embedded; }
}
public EmbeddedResource (string name, ManifestResourceAttributes attributes, byte [] data) :
base (name, attributes)
{
this.data = data;
}
public EmbeddedResource (string name, ManifestResourceAttributes attributes, Stream stream) :
base (name, attributes)
{
this.stream = stream;
}
internal EmbeddedResource (string name, ManifestResourceAttributes attributes, uint offset, MetadataReader reader)
: base (name, attributes)
{
this.offset = offset;
this.reader = reader;
}
public Stream GetResourceStream ()
{
if (stream != null)
return stream;
if (data != null)
return new MemoryStream (data);
if (offset.HasValue)
return reader.GetManagedResourceStream (offset.Value);
throw new InvalidOperationException ();
}
public byte [] GetResourceData ()
{
if (stream != null)
return ReadStream (stream);
if (data != null)
return data;
if (offset.HasValue)
return reader.GetManagedResourceStream (offset.Value).ToArray ();
throw new InvalidOperationException ();
}
static byte [] ReadStream (Stream stream)
{
var length = (int) stream.Length;
var data = new byte [length];
int offset = 0, read;
while ((read = stream.Read (data, offset, length - offset)) > 0)
offset += read;
return data;
}
}
}
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