1 // 2 // EmbeddedResource.cs 3 // 4 // Author: 5 // Jb Evain (jbevain@gmail.com) 6 // 7 // Copyright (c) 2008 - 2011 Jb Evain 8 // 9 // Permission is hereby granted, free of charge, to any person obtaining 10 // a copy of this software and associated documentation files (the 11 // "Software"), to deal in the Software without restriction, including 12 // without limitation the rights to use, copy, modify, merge, publish, 13 // distribute, sublicense, and/or sell copies of the Software, and to 14 // permit persons to whom the Software is furnished to do so, subject to 15 // the following conditions: 16 // 17 // The above copyright notice and this permission notice shall be 18 // included in all copies or substantial portions of the Software. 19 // 20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 27 // 28 29 using System; 30 using System.IO; 31 32 namespace Mono.Cecil { 33 34 public sealed class EmbeddedResource : Resource { 35 36 readonly MetadataReader reader; 37 38 uint? offset; 39 byte [] data; 40 Stream stream; 41 42 public override ResourceType ResourceType { 43 get { return ResourceType.Embedded; } 44 } 45 EmbeddedResource(string name, ManifestResourceAttributes attributes, byte [] data)46 public EmbeddedResource (string name, ManifestResourceAttributes attributes, byte [] data) : 47 base (name, attributes) 48 { 49 this.data = data; 50 } 51 EmbeddedResource(string name, ManifestResourceAttributes attributes, Stream stream)52 public EmbeddedResource (string name, ManifestResourceAttributes attributes, Stream stream) : 53 base (name, attributes) 54 { 55 this.stream = stream; 56 } 57 EmbeddedResource(string name, ManifestResourceAttributes attributes, uint offset, MetadataReader reader)58 internal EmbeddedResource (string name, ManifestResourceAttributes attributes, uint offset, MetadataReader reader) 59 : base (name, attributes) 60 { 61 this.offset = offset; 62 this.reader = reader; 63 } 64 GetResourceStream()65 public Stream GetResourceStream () 66 { 67 if (stream != null) 68 return stream; 69 70 if (data != null) 71 return new MemoryStream (data); 72 73 if (offset.HasValue) 74 return reader.GetManagedResourceStream (offset.Value); 75 76 throw new InvalidOperationException (); 77 } 78 GetResourceData()79 public byte [] GetResourceData () 80 { 81 if (stream != null) 82 return ReadStream (stream); 83 84 if (data != null) 85 return data; 86 87 if (offset.HasValue) 88 return reader.GetManagedResourceStream (offset.Value).ToArray (); 89 90 throw new InvalidOperationException (); 91 } 92 ReadStream(Stream stream)93 static byte [] ReadStream (Stream stream) 94 { 95 var length = (int) stream.Length; 96 var data = new byte [length]; 97 int offset = 0, read; 98 99 while ((read = stream.Read (data, offset, length - offset)) > 0) 100 offset += read; 101 102 return data; 103 } 104 } 105 } 106