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//
// Gendarme.Framework.Engines.NamespaceEngine
//
// Authors:
// Sebastien Pouliot <sebastien@ximian.com>
//
// Copyright (C) 2008 Novell, Inc (http://www.novell.com)
//
// 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.Collections.Generic;
using Mono.Cecil;
using Gendarme.Framework.Rocks;
namespace Gendarme.Framework.Engines {
public class NamespaceEngine : Engine {
static Dictionary<AssemblyDefinition, HashSet<string>> assemblies = new Dictionary<AssemblyDefinition,HashSet<string>> ();
static Dictionary<string, HashSet<TypeDefinition>> namespaces = new Dictionary<string,HashSet<TypeDefinition>> ();
public override void Initialize (EngineController controller)
{
base.Initialize (controller);
controller.BuildingType += new EventHandler<EngineEventArgs> (OnType);
assemblies.Clear ();
namespaces.Clear ();
}
void OnType (object sender, EngineEventArgs e)
{
TypeDefinition type = (sender as TypeDefinition);
// we keep track of namespaces per assemblies
AssemblyDefinition assembly = type.Module.Assembly;
HashSet<string> ns;
if (assemblies.TryGetValue (assembly, out ns)) {
ns.AddIfNew (type.Namespace);
} else {
ns = new HashSet<string> ();
ns.Add (type.Namespace);
assemblies.Add (assembly, ns);
}
// and types per namespaces
HashSet<TypeDefinition> td;
if (!namespaces.TryGetValue (type.Namespace, out td)) {
td = new HashSet<TypeDefinition> ();
namespaces.Add (type.Namespace, td);
}
td.Add (type);
}
/// <summary>
/// Return all namespaces from all assemblies being analyzed.
/// </summary>
/// <returns>All namespaces defined in the assembly set</returns>
public static IEnumerable<string> AllNamespaces ()
{
foreach (string ns in namespaces.Keys) {
yield return ns;
}
}
/// <summary>
/// Return if a namespace exist inside the assembly set
/// </summary>
/// <param name="nameSpace">Namespace to confirm existance</param>
/// <returns>True if the namespace exists, False otherwise</returns>
public static bool Exists (string nameSpace)
{
if (nameSpace == null)
throw new ArgumentNullException ("nameSpace");
return namespaces.ContainsKey (nameSpace);
}
/// <summary>
/// Return all namespaces defined inside the specified assembly.
/// </summary>
/// <param name="assembly">Assembly to search into</param>
/// <returns>All namespaces defined in the specified assembly</returns>
public static IEnumerable<string> NamespacesInside (AssemblyDefinition assembly)
{
if (assembly == null)
throw new ArgumentNullException ("assembly");
HashSet<string> namespaces = null;
if (!assemblies.TryGetValue (assembly, out namespaces))
yield return null;
foreach (string ns in namespaces) {
yield return ns;
}
}
/// <summary>
/// Return all types defined inside a namespace across all assemblies.
/// </summary>
/// <param name="nameSpace">Namespace to search into</param>
/// <returns>All TypeDefinition defined the the specified namespace</returns>
public static IEnumerable<TypeDefinition> TypesInside (string nameSpace)
{
if (nameSpace == null)
throw new ArgumentNullException ("nameSpace");
HashSet<TypeDefinition> types = null;
if (!namespaces.TryGetValue (nameSpace, out types))
yield return null;
foreach (TypeDefinition type in types) {
yield return type;
}
}
}
}
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