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Viewing changes to external/mono-addins/Mono.Addins.CecilReflector/Mono.Cecil/Mono.Cecil/AssemblyNameReference.cs

  • Committer: Package Import Robot
  • Author(s): Jo Shields
  • Date: 2013-05-12 09:46:03 UTC
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130512094603-mad323bzcxvmcam0
Tags: upstream-4.0.5+dfsg
Import upstream version 4.0.5+dfsg

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external/mono-addins/Mono.Addins.CecilReflector/Mono.Cecil/Mono.Cecil/AssemblyNameReference.cs
 
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//
 
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// AssemblyNameReference.cs
 
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//
 
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// Author:
 
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//   Jb Evain (jbevain@gmail.com)
 
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//
 
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// Copyright (c) 2008 - 2010 Jb Evain
 
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//
 
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// Permission is hereby granted, free of charge, to any person obtaining
 
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// a copy of this software and associated documentation files (the
 
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// "Software"), to deal in the Software without restriction, including
 
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// without limitation the rights to use, copy, modify, merge, publish,
 
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// distribute, sublicense, and/or sell copies of the Software, and to
 
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// permit persons to whom the Software is furnished to do so, subject to
 
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// the following conditions:
 
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//
 
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// The above copyright notice and this permission notice shall be
 
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// included in all copies or substantial portions of the Software.
 
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//
 
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
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//
 
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using System;
 
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using System.Globalization;
 
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using System.Security.Cryptography;
 
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using System.Text;
 
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namespace Mono.Cecil {
 
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        public class AssemblyNameReference : IMetadataScope {
 
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                string name;
 
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                string culture;
 
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                Version version;
 
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                uint attributes;
 
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                byte [] public_key;
 
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                byte [] public_key_token;
 
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                AssemblyHashAlgorithm hash_algorithm;
 
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                byte [] hash;
 
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                internal MetadataToken token;
 
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                string full_name;
 
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                public string Name {
 
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                        get { return name; }
 
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                        set {
 
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                                name = value;
 
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                                full_name = null;
 
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                        }
 
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                }
 
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                public string Culture {
 
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                        get { return culture; }
 
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                        set {
 
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                                culture = value;
 
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                                full_name = null;
 
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                        }
 
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                }
 
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                public Version Version {
 
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                        get { return version; }
 
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                        set {
 
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                                 version = value;
 
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                                 full_name = null;
 
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                        }
 
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                }
 
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                public AssemblyAttributes Attributes {
 
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                        get { return (AssemblyAttributes) attributes; }
 
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                        set { attributes = (uint) value; }
 
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                }
 
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                public bool HasPublicKey {
 
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                        get { return attributes.GetAttributes ((uint) AssemblyAttributes.PublicKey); }
 
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                        set { attributes = attributes.SetAttributes ((uint) AssemblyAttributes.PublicKey, value); }
 
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                }
 
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                public bool IsSideBySideCompatible {
 
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                        get { return attributes.GetAttributes ((uint) AssemblyAttributes.SideBySideCompatible); }
 
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                        set { attributes = attributes.SetAttributes ((uint) AssemblyAttributes.SideBySideCompatible, value); }
 
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                }
 
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                public bool IsRetargetable {
 
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                        get { return attributes.GetAttributes ((uint) AssemblyAttributes.Retargetable); }
 
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                        set { attributes = attributes.SetAttributes ((uint) AssemblyAttributes.Retargetable, value); }
 
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                }
 
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                public byte [] PublicKey {
 
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                        get { return public_key; }
 
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                        set {
 
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                                public_key = value;
 
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                                HasPublicKey = !public_key.IsNullOrEmpty ();
 
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                                public_key_token = Empty<byte>.Array;
 
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                                full_name = null;
 
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                        }
 
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                }
 
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                public byte [] PublicKeyToken {
 
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                        get {
 
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                                if (public_key_token.IsNullOrEmpty () && !public_key.IsNullOrEmpty ()) {
 
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                                        var hash = HashPublicKey ();
 
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                                        // we need the last 8 bytes in reverse order
 
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                                        public_key_token = new byte [8];
 
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                                        Array.Copy (hash, (hash.Length - 8), public_key_token, 0, 8);
 
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                                        Array.Reverse (public_key_token, 0, 8);
 
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                                }
 
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                                return public_key_token;
 
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                        }
 
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                        set {
 
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                                public_key_token = value;
 
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                                full_name = null;
 
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                        }
 
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                }
 
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                byte [] HashPublicKey ()
 
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                {
 
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                        HashAlgorithm algorithm;
 
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                        switch (hash_algorithm) {
 
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                        case AssemblyHashAlgorithm.Reserved:
 
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#if SILVERLIGHT
 
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                                throw new NotSupportedException ();
 
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#else
 
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                                algorithm = MD5.Create ();
 
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                                break;
 
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#endif
 
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                        default:
 
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                                // None default to SHA1
 
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#if SILVERLIGHT
 
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                                algorithm = new SHA1Managed ();
 
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                                break;
 
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#else
 
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                                algorithm = SHA1.Create ();
 
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                                break;
 
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#endif
 
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                        }
 
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                        using (algorithm)
 
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                                return algorithm.ComputeHash (public_key);
 
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                }
 
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                public virtual MetadataScopeType MetadataScopeType {
 
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                        get { return MetadataScopeType.AssemblyNameReference; }
 
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                }
 
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                public string FullName {
 
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                        get {
 
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                                if (full_name != null)
 
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                                        return full_name;
 
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                                const string sep = ", ";
 
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                                var builder = new StringBuilder ();
 
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                                builder.Append (name);
 
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                                if (version != null) {
 
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                                        builder.Append (sep);
 
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                                        builder.Append ("Version=");
 
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                                        builder.Append (version.ToString ());
 
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                                }
 
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                                builder.Append (sep);
 
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                                builder.Append ("Culture=");
 
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                                builder.Append (string.IsNullOrEmpty (culture) ? "neutral" : culture);
 
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                                builder.Append (sep);
 
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                                builder.Append ("PublicKeyToken=");
 
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                                if (this.PublicKeyToken != null && public_key_token.Length > 0) {
 
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                                        for (int i = 0 ; i < public_key_token.Length ; i++) {
 
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                                                builder.Append (public_key_token [i].ToString ("x2"));
 
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                                        }
 
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                                } else
 
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                                        builder.Append ("null");
 
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                                return full_name = builder.ToString ();
 
181
                        }
 
182
                }
 
183
 
 
184
                public static AssemblyNameReference Parse (string fullName)
 
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                {
 
186
                        if (fullName == null)
 
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                                throw new ArgumentNullException ("fullName");
 
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                        if (fullName.Length == 0)
 
189
                                throw new ArgumentException ("Name can not be empty");
 
190
 
 
191
                        var name = new AssemblyNameReference ();
 
192
                        var tokens = fullName.Split (',');
 
193
                        for (int i = 0; i < tokens.Length; i++) {
 
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                                var token = tokens [i].Trim ();
 
195
 
 
196
                                if (i == 0) {
 
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                                        name.Name = token;
 
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                                        continue;
 
199
                                }
 
200
 
 
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                                var parts = token.Split ('=');
 
202
                                if (parts.Length != 2)
 
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                                        throw new ArgumentException ("Malformed name");
 
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205
                                switch (parts [0]) {
 
206
                                case "Version":
 
207
                                        name.Version = new Version (parts [1]);
 
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                                        break;
 
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                                case "Culture":
 
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                                        name.Culture = parts [1];
 
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                                        break;
 
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                                case "PublicKeyToken":
 
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                                        string pk_token = parts [1];
 
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                                        if (pk_token == "null")
 
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                                                break;
 
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217
                                        name.PublicKeyToken = new byte [pk_token.Length / 2];
 
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                                        for (int j = 0; j < name.PublicKeyToken.Length; j++) {
 
219
                                                name.PublicKeyToken [j] = Byte.Parse (pk_token.Substring (j * 2, 2), NumberStyles.HexNumber);
 
220
                                        }
 
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                                        break;
 
222
                                }
 
223
                        }
 
224
 
 
225
                        return name;
 
226
                }
 
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228
                public AssemblyHashAlgorithm HashAlgorithm {
 
229
                        get { return hash_algorithm; }
 
230
                        set { hash_algorithm = value; }
 
231
                }
 
232
 
 
233
                public virtual byte [] Hash {
 
234
                        get { return hash; }
 
235
                        set { hash = value; }
 
236
                }
 
237
 
 
238
                public MetadataToken MetadataToken {
 
239
                        get { return token; }
 
240
                        set { token = value; }
 
241
                }
 
242
 
 
243
                internal AssemblyNameReference ()
 
244
                {
 
245
                }
 
246
 
 
247
                public AssemblyNameReference (string name, Version version)
 
248
                {
 
249
                        if (name == null)
 
250
                                throw new ArgumentNullException ("name");
 
251
 
 
252
                        this.name = name;
 
253
                        this.version = version;
 
254
                        this.hash_algorithm = AssemblyHashAlgorithm.None;
 
255
                        this.token = new MetadataToken (TokenType.AssemblyRef);
 
256
                }
 
257
 
 
258
                public override string ToString ()
 
259
                {
 
260
                        return this.FullName;
 
261
                }
 
262
        }
 
263
}