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Viewing changes to external/mono-addins/Mono.Addins.CecilReflector/Mono.Cecil/Mono.Cecil/SecurityDeclaration.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/SecurityDeclaration.cs
 
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//
 
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// SecurityDeclaration.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 Mono.Collections.Generic;
 
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namespace Mono.Cecil {
 
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        public enum SecurityAction : ushort {
 
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                Request = 1,
 
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                Demand = 2,
 
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                Assert = 3,
 
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                Deny = 4,
 
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                PermitOnly = 5,
 
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                LinkDemand = 6,
 
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                InheritDemand = 7,
 
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                RequestMinimum = 8,
 
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                RequestOptional = 9,
 
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                RequestRefuse = 10,
 
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                PreJitGrant = 11,
 
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                PreJitDeny = 12,
 
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                NonCasDemand = 13,
 
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                NonCasLinkDemand = 14,
 
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                NonCasInheritance = 15
 
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        }
 
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        public interface ISecurityDeclarationProvider : IMetadataTokenProvider {
 
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                bool HasSecurityDeclarations { get; }
 
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                Collection<SecurityDeclaration> SecurityDeclarations { get; }
 
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        }
 
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        public sealed class SecurityAttribute : ICustomAttribute {
 
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                TypeReference attribute_type;
 
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                internal Collection<CustomAttributeNamedArgument> fields;
 
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                internal Collection<CustomAttributeNamedArgument> properties;
 
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                public TypeReference AttributeType {
 
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                        get { return attribute_type; }
 
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                        set { attribute_type = value; }
 
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                }
 
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                public bool HasFields {
 
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                        get { return !fields.IsNullOrEmpty (); }
 
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                }
 
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                public Collection<CustomAttributeNamedArgument> Fields {
 
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                        get { return fields ?? (fields = new Collection<CustomAttributeNamedArgument> ()); }
 
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                }
 
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                public bool HasProperties {
 
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                        get { return !properties.IsNullOrEmpty (); }
 
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                }
 
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                public Collection<CustomAttributeNamedArgument> Properties {
 
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                        get { return properties ?? (properties = new Collection<CustomAttributeNamedArgument> ()); }
 
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                }
 
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                public SecurityAttribute (TypeReference attributeType)
 
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                {
 
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                        this.attribute_type = attributeType;
 
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                }
 
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        }
 
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        public sealed class SecurityDeclaration {
 
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                readonly internal uint signature;
 
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                readonly ModuleDefinition module;
 
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                internal bool resolved;
 
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                SecurityAction action;
 
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                internal Collection<SecurityAttribute> security_attributes;
 
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                public SecurityAction Action {
 
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                        get { return action; }
 
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                        set { action = value; }
 
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                }
 
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                public bool HasSecurityAttributes {
 
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                        get {
 
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                                Resolve ();
 
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                                return !security_attributes.IsNullOrEmpty ();
 
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                        }
 
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                }
 
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                public Collection<SecurityAttribute> SecurityAttributes {
 
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                        get {
 
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                                Resolve ();
 
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                                return security_attributes ?? (security_attributes = new Collection<SecurityAttribute> ());
 
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                        }
 
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                }
 
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                internal bool HasImage {
 
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                        get { return module != null && module.HasImage; }
 
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                }
 
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                internal SecurityDeclaration (SecurityAction action, uint signature, ModuleDefinition module)
 
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                {
 
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                        this.action = action;
 
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                        this.signature = signature;
 
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                        this.module = module;
 
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                }
 
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                public SecurityDeclaration (SecurityAction action)
 
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                {
 
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                        this.action = action;
 
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                        this.resolved = true;
 
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                }
 
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                public byte [] GetBlob ()
 
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                {
 
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                        if (!HasImage || signature == 0)
 
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                                throw new NotSupportedException ();
 
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                        return module.Read (this, (declaration, reader) => reader.ReadSecurityDeclarationBlob (declaration.signature)); ;
 
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                }
 
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                void Resolve ()
 
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                {
 
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                        if (resolved || !HasImage)
 
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                                return;
 
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                        module.Read (this, (declaration, reader) => {
 
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                                reader.ReadSecurityDeclarationSignature (declaration);
 
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                                return this;
 
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                        });
 
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                        resolved = true;
 
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                }
 
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        }
 
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        static partial class Mixin {
 
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                public static bool GetHasSecurityDeclarations (
 
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                        this ISecurityDeclarationProvider self,
 
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                        ModuleDefinition module)
 
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                {
 
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                        return module.HasImage ()
 
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                                ? module.Read (self, (provider, reader) => reader.HasSecurityDeclarations (provider))
 
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                                : false;
 
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                }
 
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                public static Collection<SecurityDeclaration> GetSecurityDeclarations (
 
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                        this ISecurityDeclarationProvider self,
 
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                        ModuleDefinition module)
 
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                {
 
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                        return module.HasImage ()
 
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                                ? module.Read (self, (provider, reader) => reader.ReadSecurityDeclarations (provider))
 
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                                : new Collection<SecurityDeclaration> ();
 
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                }
 
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        }
 
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}