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Resolving Symbolic References in a CodeDOM (Part 7)

, 2 Dec 2012 CDDL
Resolving symbolic references in a CodeDOM.
Nova.0.6.exe.zip
Mono.Cecil.dll
Nova.CLI.exe
Nova.CodeDOM.dll
Nova.Examples.exe
Nova.Studio.exe
Nova.Test.exe
Nova.UI.dll
Nova.0.6.zip
Nova.CLI
Properties
Nova.CodeDOM
CodeDOM
Annotations
Base
Comments
Base
DocComments
CodeRef
Base
List
Name
Base
Other
Simple
CompilerDirectives
Base
Conditionals
Base
Messages
Base
Pragmas
Base
Symbols
Base
Base
Interfaces
Expressions
AnonymousMethods
Base
Operators
Base
Binary
Arithmetic
Base
Assignment
Base
Bitwise
Base
Conditional
Relational
Base
Shift
Base
Other
Base
Unary
Base
Other
References
Base
GotoTargets
Base
Methods
Namespaces
Other
Properties
Types
Base
Variables
Base
Projects
Assemblies
Namespaces
References
Base
Statements
Base
Conditionals
Base
Exceptions
Generics
Constraints
Base
Iterators
Base
Jumps
Loops
Methods
OperatorDecls
Miscellaneous
Namespaces
Properties
Base
Events
Types
Base
Variables
Base
Parsing
Base
Properties
Rendering
Resolving
Utilities
Mono.Cecil
Reflection
Nova.Examples
Properties
Nova.Studio
Images
About.png
Configuration.png
EditCopy.png
EditCut.png
EditDelete.png
EditPaste.png
EditRedo.png
EditUndo.png
Error.png
Exit.png
FileNew.png
FileOpen.png
FileSave.png
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FileSaveAs.png
Find.png
Help.png
Info.png
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Options.png
Print.png
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Properties.png
Todo.png
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Objects.ico
Properties
Settings.settings
Nova.Test
Properties
Nova.UI
CodeDOM
Annotations
Base
Comments
Base
DocComments
CodeRef
Base
List
Name
Base
Other
Simple
CompilerDirectives
Base
Conditionals
Base
Messages
Base
Pragmas
Base
Symbols
Base
Base
Expressions
AnonymousMethods
Base
Operators
Base
Binary
Arithmetic
Base
Assignment
Base
Bitwise
Base
Conditional
Relational
Base
Shift
Base
Other
Base
Unary
Base
Other
References
Base
GotoTargets
Base
Methods
Namespaces
Other
Properties
Types
Base
Variables
Base
Projects
Namespaces
References
Base
Statements
Base
Conditionals
Base
Exceptions
Generics
Constraints
Base
Iterators
Base
Jumps
Loops
Methods
OperatorDecls
Miscellaneous
Namespaces
Properties
Base
Events
Types
Base
Variables
Base
Properties
Resolving
Utilties
// The Nova Project by Ken Beckett.
// Copyright (C) 2007-2012 Inevitable Software, all rights reserved.
// Released under the Common Development and Distribution License, CDDL-1.0: http://opensource.org/licenses/cddl1.php

using System.Collections.Generic;
using System.Linq;
using Mono.Cecil;

namespace Nova.Utilities
{
    /// <summary>
    /// Static helper methods for <see cref="AssemblyDefinition"/>.
    /// </summary>
    public static class AssemblyDefinitionUtil
    {
        #region /* CONSTANTS */

        /// <summary>
        /// The name of the version part of a display name.
        /// </summary>
        public const string VersionTag = "Version=";

        /// <summary>
        /// The name of the internals-visible-to attribute.
        /// </summary>
        public const string InternalsVisibleToAttributeName = "InternalsVisibleToAttribute";

        #endregion

        #region /* STATIC HELPER METHODS */

        /// <summary>
        /// Determine if the specified assembly name is a display name.
        /// </summary>
        public static bool IsDisplayName(string assemblyName)
        {
            return assemblyName.Contains(VersionTag);
        }

        /// <summary>
        /// Get a shorter display name for an assembly, truncating anything after the PublicKeyToken,
        /// such as Culture and processorArchitecture.
        /// </summary>
        public static string GetShortDisplayName(string assemblyName)
        {
            const string publicKey = "PublicKeyToken=";
            int keyIndex = assemblyName.IndexOf(publicKey);
            int endIndex = assemblyName.IndexOf(',', keyIndex + publicKey.Length);
            if (endIndex > 0)
                assemblyName = assemblyName.Substring(0, endIndex);
            return assemblyName;
        }

        /// <summary>
        /// Get the version number from an assembly display name.
        /// </summary>
        public static string GetVersion(string assemblyName)
        {
            int versionIndex = assemblyName.IndexOf(VersionTag);
            if (versionIndex > 0)
            {
                versionIndex += VersionTag.Length;
                int commaIndex = assemblyName.IndexOf(",", versionIndex);
                if (commaIndex < versionIndex)
                    commaIndex = assemblyName.Length;
                return assemblyName.Substring(versionIndex, commaIndex - versionIndex);
            }
            return null;
        }

        /// <summary>
        /// Determine if an <see cref="AssemblyDefinition"/> has a custom attribute.
        /// </summary>
        public static bool HasCustomAttribute(AssemblyDefinition assemblyDefinition, string name)
        {
            return Enumerable.Any(assemblyDefinition.CustomAttributes, delegate(CustomAttribute customAttribute) { return customAttribute.Constructor.DeclaringType.Name == name; });
        }

        /// <summary>
        /// Get all custom attributes with the specified name from the <see cref="AssemblyDefinition"/>.
        /// </summary>
        public static List<CustomAttribute> GetCustomAttributes(AssemblyDefinition assemblyDefinition, string name)
        {
            return Enumerable.ToList(Enumerable.Where(assemblyDefinition.CustomAttributes, delegate(CustomAttribute customAttribute) { return customAttribute.Constructor.DeclaringType.Name == name; }));
        }

        /// <summary>
        /// Get the custom attributewith the specified name from the <see cref="AssemblyDefinition"/>.  If there are multiple attributes with the name, the first one is returned.
        /// </summary>
        public static CustomAttribute GetCustomAttribute(AssemblyDefinition assemblyDefinition, string name)
        {
            return Enumerable.FirstOrDefault(assemblyDefinition.CustomAttributes, delegate(CustomAttribute customAttribute) { return customAttribute.Constructor.DeclaringType.Name == name; });
        }

        #endregion
    }
}

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This article, along with any associated source code and files, is licensed under The Common Development and Distribution License (CDDL)

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About the Author

KenBeckett
Software Developer (Senior)
United States United States
I've been writing software since the late 70's, currently focusing mainly on C#.NET. I also like to travel around the world, and I own a Chocolate Factory (sadly, none of my employees are oompa loompas).

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